🐛 fix(navigation.go): fix the condition for determining if a navigation element is active

The /tmp/ directory is now added to the .gitignore file to exclude it from version control. In the navigation.go file, the condition for determining if a navigation element is active has been fixed to correctly handle cases where the activeNav string matches the elPath string. The tmp/main file has been deleted.

.air.toml

@@ -0,0 +1,36 @@
+root = "."
+testdata_dir = "testdata"
+tmp_dir = "tmp"
+
+[build]
+  bin = "./tmp/main"
+  cmd = "go build -o ./tmp/main ./cmd/mark2web"
+  delay = 1000
+  exclude_dir = ["assets", "tmp", "vendor", "testdata"]
+  exclude_file = []
+  exclude_regex = ["_test.go"]
+  exclude_unchanged = false
+  follow_symlink = false
+  full_bin = ""
+  include_dir = []
+  include_ext = ["go", "tpl", "tmpl", "html"]
+  kill_delay = "0s"
+  log = "build-errors.log"
+  send_interrupt = false
+  stop_on_error = true
+
+[color]
+  app = ""
+  build = "yellow"
+  main = "magenta"
+  runner = "green"
+  watcher = "cyan"
+
+[log]
+  time = false
+
+[misc]
+  clean_on_exit = false
+
+[screen]
+  clear_on_rebuild = false

.gitignore

@@ -1,4 +1,6 @@
 /html/
 /build/dist
 /coverage.out
-/test/out
+/test/out
+/mark2web
+/tmp/

.gitmodules

@@ -1,81 +0,0 @@
-[submodule "vendor/gopkg.in/russross/blackfriday.v2"]
-	path = vendor/gopkg.in/russross/blackfriday.v2
-	url = https://gopkg.in/russross/blackfriday.v2
-[submodule "vendor/github.com/shurcooL/sanitized_anchor_name"]
-	path = vendor/github.com/shurcooL/sanitized_anchor_name
-	url = https://github.com/shurcooL/sanitized_anchor_name
-[submodule "vendor/github.com/Depado/bfchroma"]
-	path = vendor/github.com/Depado/bfchroma
-	url = https://github.com/Depado/bfchroma
-[submodule "vendor/github.com/alecthomas/chroma"]
-	path = vendor/github.com/alecthomas/chroma
-	url = https://github.com/alecthomas/chroma
-[submodule "vendor/github.com/dlclark/regexp2"]
-	path = vendor/github.com/dlclark/regexp2
-	url = https://github.com/dlclark/regexp2
-[submodule "vendor/github.com/danwakefield/fnmatch"]
-	path = vendor/github.com/danwakefield/fnmatch
-	url = https://github.com/danwakefield/fnmatch
-[submodule "vendor/github.com/op/go-logging"]
-	path = vendor/github.com/op/go-logging
-	url = https://github.com/op/go-logging
-[submodule "vendor/gopkg.in/yaml.v2"]
-	path = vendor/gopkg.in/yaml.v2
-	url = https://gopkg.in/yaml.v2
-[submodule "vendor/github.com/davecgh/go-spew"]
-	path = vendor/github.com/davecgh/go-spew
-	url = https://github.com/davecgh/go-spew
-[submodule "vendor/github.com/imdario/mergo"]
-	path = vendor/github.com/imdario/mergo
-	url = https://github.com/imdario/mergo
-[submodule "vendor/github.com/otiai10/copy"]
-	path = vendor/github.com/otiai10/copy
-	url = https://github.com/otiai10/copy
-[submodule "vendor/github.com/flosch/pongo2"]
-	path = vendor/github.com/flosch/pongo2
-	url = https://github.com/flosch/pongo2
-[submodule "vendor/github.com/juju/errors"]
-	path = vendor/github.com/juju/errors
-	url = https://github.com/juju/errors
-[submodule "vendor/github.com/flosch/pongo2-addons"]
-	path = vendor/github.com/flosch/pongo2-addons
-	url = https://github.com/flosch/pongo2-addons
-[submodule "vendor/github.com/extemporalgenome/slug"]
-	path = vendor/github.com/extemporalgenome/slug
-	url = https://github.com/extemporalgenome/slug
-[submodule "vendor/golang.org/x/text"]
-	path = vendor/golang.org/x/text
-	url = https://go.googlesource.com/text
-[submodule "vendor/github.com/flosch/go-humanize"]
-	path = vendor/github.com/flosch/go-humanize
-	url = https://github.com/flosch/go-humanize
-[submodule "vendor/github.com/russross/blackfriday"]
-	path = vendor/github.com/russross/blackfriday
-	url = https://github.com/russross/blackfriday
-[submodule "vendor/github.com/robertkrimen/otto"]
-	path = vendor/github.com/robertkrimen/otto
-	url = https://github.com/robertkrimen/otto
-[submodule "vendor/gopkg.in/sourcemap.v1"]
-	path = vendor/gopkg.in/sourcemap.v1
-	url = https://gopkg.in/sourcemap.v1
-[submodule "vendor/github.com/ddliu/motto"]
-	path = vendor/github.com/ddliu/motto
-	url = https://github.com/ddliu/motto
-[submodule "vendor/github.com/disintegration/imaging"]
-	path = vendor/github.com/disintegration/imaging
-	url = https://github.com/disintegration/imaging
-[submodule "vendor/golang.org/x/image"]
-	path = vendor/golang.org/x/image
-	url = https://go.googlesource.com/image
-[submodule "vendor/github.com/smartystreets/goconvey"]
-	path = vendor/github.com/smartystreets/goconvey
-	url = https://github.com/smartystreets/goconvey
-[submodule "vendor/github.com/jtolds/gls"]
-	path = vendor/github.com/jtolds/gls
-	url = https://github.com/jtolds/gls
-[submodule "vendor/github.com/smartystreets/assertions"]
-	path = vendor/github.com/smartystreets/assertions
-	url = https://github.com/smartystreets/assertions
-[submodule "vendor/github.com/itchio/go-brotli"]
-	path = vendor/github.com/itchio/go-brotli
-	url = https://github.com/itchio/go-brotli

.vscode/settings.json

@@ -6,7 +6,7 @@
         "commands": [
             {
                 "match": "website/.*",
-                "cmd": "time mark2web -in ${workspaceRoot}/website -out ${workspaceRoot}/html -create",
+                "cmd": "time mark2web -in ${workspaceRoot}/website -out ${workspaceRoot}/html -create -logLevel warning -progress",
                 "silent": false
             }
         ]

build/RELEASE.md

@@ -1,9 +1,4 @@
 NEUERUNGEN:
 
-- Cached Collection Webrequests
-- recursive Collections
-- Datei basierte Collections
-- markdown-Filter `s=SYNTAX_HIGHLIGHT_SHEMA` Parameter
-- image_process nutzt alle CPU-Kerne
-- GZIP/Brotli Vor-Komprimierung der Inhalte und Assets
-- Code neu organisiert
+- pongo2 v4
+- natives brotli Package ohne cgo

build/VERSION

@@ -1 +1 @@
-1.2.0
+1.2.1

build/ci/.drone.yml

@@ -1,4 +1,5 @@
 kind: pipeline
+type: docker
 name: default
 
 workspace:
@@ -9,7 +10,7 @@ steps:
   - name: init submodules
     image: docker:git
     commands:
-      - git submodule update --init --recursive
+      #- git submodule update --init --recursive
       - git fetch --tags
     when:
       event: [ push, tag ]
@@ -113,7 +114,7 @@ steps:
       - '
         rsync -rlcgD -i -u -v --stats
           --delete
-          -e "sshpass -p $${RSYNC_PASS} ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 22222"
+          -e "sshpass -p $${RSYNC_PASS} ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o HostKeyAlgorithms=ssh-rsa -o PubkeyAcceptedKeyTypes=ssh-rsa -p 22222"
           html/
           basiskonfiguration_mark2web_rsync@deploy.bc1.basehosts.de:./'
     when:
@@ -149,4 +150,4 @@ steps:
 volumes:
   - name: docker
     host:
-      path: /var/run/docker.sock
+      path: /var/run/docker.sock

build/package/Dockerfile

@@ -1,4 +1,4 @@
 FROM alpine
-RUN apk update && apk add ca-certificates openssh-client sshpass rsync gzip libc6-compat && rm -r /var/cache/
+RUN apk update && apk add ca-certificates openssh-client sshpass rsync gzip libc6-compat bash && rm -r /var/cache/
 ADD mark2web /
 CMD ["/mark2web"]

cmd/mark2web/main.go

@@ -7,8 +7,9 @@ import (
 	"path"
 
 	"gitbase.de/apairon/mark2web/pkg/filter"
-	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 	"gitbase.de/apairon/mark2web/pkg/mark2web"
+	"gitbase.de/apairon/mark2web/pkg/progress"
 )
 
 var (
@@ -25,7 +26,8 @@ func main() {
 	outDir := flag.String("out", "html", "output directory")
 	createOutDir := flag.Bool("create", false, "create output directory if not existing")
 	//clearOutDir := flag.Bool("clear", false, "clear output directory before generating website")
-	logLevel := flag.String("logLevel", "info", "log level: debug, info, warning, error")
+	logLevel := flag.String("logLevel", "", "log level: debug, info, notice, warning, error")
+	progressBars := flag.Bool("progress", false, "show progress bars for jobs")
 	version := flag.Bool("version", false, "print version of this executable")
 
 	flag.Parse()
@@ -37,60 +39,66 @@ func main() {
 		os.Exit(0)
 	}
 
-	level := "info"
-	if logLevel != nil {
+	level := "notice"
+
+	if progressBars != nil && *progressBars {
+		progress.Start()
+		level = "warning" // disable log for progressbars
+	}
+
+	if logLevel != nil && *logLevel != "" {
 		level = *logLevel
 	}
-	helper.ConfigureLogger(level)
+	logger.SetLogLevel(level)
 
 	if inDir == nil || *inDir == "" {
-		helper.Log.Panic("input directory not specified")
+		logger.Exit("input directory not specified")
 	}
 	iDir := path.Clean(*inDir)
 	inDir = &iDir
-	helper.Log.Infof("input directory: %s", *inDir)
+	logger.I("input directory: %s", *inDir)
 
 	if outDir == nil || *outDir == "" {
-		helper.Log.Panic("output directory not specified")
+		logger.Exit("output directory not specified")
 	}
 	oDir := path.Clean(*outDir)
 	outDir = &oDir
-	helper.Log.Infof("output directory: %s", *outDir)
+	logger.I("output directory: %s", *outDir)
 
 	if createOutDir != nil && *createOutDir {
 		if _, err := os.Stat(*outDir); os.IsNotExist(err) {
-			helper.Log.Debugf("output directory '%s' does not exist", *outDir)
-			helper.Log.Debugf("trying to create output directory: %s", *outDir)
+			logger.D("output directory '%s' does not exist", *outDir)
+			logger.D("trying to create output directory: %s", *outDir)
 			err := os.MkdirAll(*outDir, 0755)
 			if err != nil {
-				helper.Log.Panic(err)
+				logger.Log.Panic(err)
 			}
-			helper.Log.Noticef("created output directory: %s", *outDir)
+			logger.I("created output directory: %s", *outDir)
 		} else {
-			helper.Log.Noticef("output directory '%s' already exists", *outDir)
+			logger.I("output directory '%s' already exists", *outDir)
 		}
 	}
 
 	if fD, err := os.Stat(*outDir); os.IsNotExist(err) {
-		helper.Log.Panicf("output directory '%s' does not exist, try -create parameter or create manually", *outDir)
+		logger.Eexit(err, "output directory '%s' does not exist, try -create parameter or create manually", *outDir)
 	} else {
 		if fD == nil {
-			helper.Log.Panicf("something went wrong, could not get file handle for output dir %s", *outDir)
+			logger.P("something went wrong, could not get file handle for output dir %s", *outDir)
 		} else if !fD.IsDir() {
-			helper.Log.Panicf("output directory '%s' is not a directory", *outDir)
+			logger.Exit("output directory '%s' is not a directory", *outDir)
 		}
 	}
 
-	helper.Log.Debug("reading global config...")
+	logger.D("reading global config...")
 	configFilename := *inDir + "/config.yml"
 	err := mark2web.Config.ReadFromFile(configFilename)
 	if err != nil {
-		helper.Log.Panicf("could not read file '%s': %s", configFilename, err)
+		logger.Eexit(err, "could not read file '%s'", configFilename)
 	}
 	mark2web.Config.Directories.Input = *inDir
 	mark2web.Config.Directories.Output = *outDir
 
-	helper.Log.Debugf("reading input directory %s", *inDir)
+	logger.D("reading input directory %s", *inDir)
 
 	defaultTemplate := "base.html"
 	defaultInputFile := "README.md"
@@ -130,4 +138,6 @@ func main() {
 
 	mark2web.Run(*inDir, *outDir, defaultPathConfig)
 
+	logger.N("done")
+
 }

go.mod

@@ -0,0 +1,31 @@
+module gitbase.de/apairon/mark2web
+
+go 1.16
+
+require (
+	github.com/Depado/bfchroma v1.3.0
+	github.com/alecthomas/chroma v0.10.0 // indirect
+	github.com/andybalholm/brotli v1.0.4
+	github.com/davecgh/go-spew v1.1.1
+	github.com/ddliu/motto v0.3.1
+	github.com/disintegration/imaging v1.6.2
+	github.com/extemporalgenome/slug v0.0.0-20150414033109-0320c85e32e0
+	github.com/flosch/pongo2 v0.0.0-20200913210552-0d938eb266f3 // indirect
+	github.com/flosch/pongo2-addons v0.0.0-20210526150811-f969446c5b72
+	github.com/flosch/pongo2/v4 v4.0.2
+	github.com/gosuri/uilive v0.0.4 // indirect
+	github.com/gosuri/uiprogress v0.0.1
+	github.com/imdario/mergo v0.3.12
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mattn/go-tty v0.0.4
+	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
+	github.com/otiai10/copy v1.7.0
+	github.com/robertkrimen/otto v0.0.0-20211024170158-b87d35c0b86f
+	github.com/russross/blackfriday/v2 v2.1.0
+	github.com/smartystreets/goconvey v1.7.2
+	golang.org/x/image v0.0.0-20211028202545-6944b10bf410 // indirect
+	golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	gopkg.in/yaml.v2 v2.4.0
+)

go.sum

@@ -0,0 +1,128 @@
+github.com/Depado/bfchroma v1.3.0 h1:zz14vpvySU6S0CL6yGPr1vkFevQecIt8dJdCsMS2JpM=
+github.com/Depado/bfchroma v1.3.0/go.mod h1:c0bFk0tFmT+clD3TIGurjWCfD/QV8/EebfM3JGr+98M=
+github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38/go.mod h1:r7bzyVFMNntcxPZXK3/+KdruV1H5KSlyVY0gc+NgInI=
+github.com/alecthomas/chroma v0.7.3/go.mod h1:sko8vR34/90zvl5QdcUdvzL3J8NKjAUx9va9jPuFNoM=
+github.com/alecthomas/chroma v0.10.0 h1:7XDcGkCQopCNKjZHfYrNLraA+M7e0fMiJ/Mfikbfjek=
+github.com/alecthomas/chroma v0.10.0/go.mod h1:jtJATyUxlIORhUOFNA9NZDWGAQ8wpxQQqNSB4rjA/1s=
+github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721/go.mod h1:QO9JBoKquHd+jz9nshCh40fOfO+JzsoXy8qTHF68zU0=
+github.com/alecthomas/kong v0.2.4/go.mod h1:kQOmtJgV+Lb4aj+I2LEn40cbtawdWJ9Y8QLq+lElKxE=
+github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
+github.com/alecthomas/repr v0.0.0-20200325044227-4184120f674c/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
+github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
+github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9hchkHSWYkEqJwUGisez3G1QY8Ryz0sdWrLPMGjLk=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/ddliu/motto v0.3.1 h1:k2uMOMy/LGA1okqJhtuq0ajHhYEIr798qlBULt+1kWs=
+github.com/ddliu/motto v0.3.1/go.mod h1:jhu/Dn9mRcDsZNeb2rCLApdM8OoTFV77Ti2DVQx1ltE=
+github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
+github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
+github.com/dlclark/regexp2 v1.2.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/dlclark/regexp2 v1.4.0 h1:F1rxgk7p4uKjwIQxBs9oAXe5CqrXlCduYEJvrF4u93E=
+github.com/dlclark/regexp2 v1.4.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/extemporalgenome/slug v0.0.0-20150414033109-0320c85e32e0 h1:0A9+8DBvlpto0mr+SD1NadV5liSIAZkWnvyshwk88Bc=
+github.com/extemporalgenome/slug v0.0.0-20150414033109-0320c85e32e0/go.mod h1:96eSBMO0aE2dcsEygXzIsvGyOf7bM5kWuqVCPEgwLEI=
+github.com/flosch/go-humanize v0.0.0-20140728123800-3ba51eabe506 h1:tN043XK9BV76qc31Z2GACIO5Dsh99q21JtYmR2ltXBg=
+github.com/flosch/go-humanize v0.0.0-20140728123800-3ba51eabe506/go.mod h1:pSiPkAThBLWmIzJ2fukUGkcxxWR4HoLT7Bp8/krrl5g=
+github.com/flosch/pongo2 v0.0.0-20200529170236-5abacdfa4915/go.mod h1:fB4mx6dzqFinCxIf3a7Mf5yLk+18Bia9mPAnuejcvDA=
+github.com/flosch/pongo2 v0.0.0-20200913210552-0d938eb266f3 h1:fmFk0Wt3bBxxwZnu48jqMdaOR/IZ4vdtJFuaFV8MpIE=
+github.com/flosch/pongo2 v0.0.0-20200913210552-0d938eb266f3/go.mod h1:bJWSKrZyQvfTnb2OudyUjurSG4/edverV7n82+K3JiM=
+github.com/flosch/pongo2-addons v0.0.0-20210526150811-f969446c5b72 h1:/P0QfDoOIxqUYm8SPcn1XOVczfMbMbo2irMEF3F/sB0=
+github.com/flosch/pongo2-addons v0.0.0-20210526150811-f969446c5b72/go.mod h1:FRpCGvVuFk51gQzekI5CiH/J6Ir1U47H8nF23gsFDKU=
+github.com/flosch/pongo2/v4 v4.0.2 h1:gv+5Pe3vaSVmiJvh/BZa82b7/00YUGm0PIyVVLop0Hw=
+github.com/flosch/pongo2/v4 v4.0.2/go.mod h1:B5ObFANs/36VwxxlgKpdchIJHMvHB562PW+BWPhwZD8=
+github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/gosuri/uilive v0.0.4 h1:hUEBpQDj8D8jXgtCdBu7sWsy5sbW/5GhuO8KBwJ2jyY=
+github.com/gosuri/uilive v0.0.4/go.mod h1:V/epo5LjjlDE5RJUcqx8dbw+zc93y5Ya3yg8tfZ74VI=
+github.com/gosuri/uiprogress v0.0.1 h1:0kpv/XY/qTmFWl/SkaJykZXrBBzwwadmW8fRb7RJSxw=
+github.com/gosuri/uiprogress v0.0.1/go.mod h1:C1RTYn4Sc7iEyf6j8ft5dyoZ4212h8G1ol9QQluh5+0=
+github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
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pkg/filter/custom.go

@@ -5,26 +5,24 @@ import (
 	"path"
 	"strings"
 
-	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 	"gitbase.de/apairon/mark2web/pkg/mark2web"
 	"github.com/ddliu/motto"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 	_ "github.com/robertkrimen/otto/underscore"
 )
 
 // RegisterFilters reads a directory and register filters from files within it
 func RegisterFilters(dir string) {
 	files, err := ioutil.ReadDir(dir)
-	if err != nil {
-		helper.Log.Panicf("could not read from template filters dir '%s': %s", dir, err)
-	}
+	logger.Eexit(err, "could not read from template filters dir '%s'", dir)
 	for _, f := range files {
 		if !f.IsDir() {
 			switch path.Ext(f.Name()) {
 			case ".js":
 				fileBase := strings.TrimSuffix(f.Name(), ".js")
 				jsFile := dir + "/" + f.Name()
-				helper.Log.Debugf("trying to register filter from: %s", jsFile)
+				logger.D("trying to register filter from: %s", jsFile)
 				/*
 					jsStr, err := ioutil.ReadFile(jsFile)
 					if err != nil {
@@ -33,38 +31,30 @@ func RegisterFilters(dir string) {
 				*/
 				vm := motto.New()
 				fn, err := vm.Run(jsFile)
-				if err != nil {
-					helper.Log.Panicf("error in javascript vm for '%s': %s", jsFile, err)
-				}
+				logger.Eexit(err, "error in javascript vm for '%s'", jsFile)
 				if !fn.IsFunction() {
-					helper.Log.Panicf("%s does not contain a function code", jsFile)
+					logger.Exit("%s does not contain a function code", jsFile)
 				}
 
 				err = pongo2.RegisterFilter(
 					fileBase,
 					func(in, param *pongo2.Value) (out *pongo2.Value, erro *pongo2.Error) {
 						thisObj, _ := vm.Object("({})")
+						var err error
 						if mark2web.CurrentContext != nil {
-							thisObj.Set("context", *mark2web.CurrentContext)
+							err = thisObj.Set("context", *mark2web.CurrentContext)
 						}
 
-						if err != nil {
-							helper.Log.Panicf("could not set context as in '%s': %s", jsFile, err)
-						}
+						logger.Perr(err, "could not set context in '%s': %s", jsFile)
 						ret, err := fn.Call(thisObj.Value(), in.Interface(), param.Interface())
-						if err != nil {
-							helper.Log.Panicf("error in javascript file '%s' while calling returned function: %s", jsFile, err)
-						}
+						logger.Eexit(err, "error in javascript file '%s' while calling returned function", jsFile)
+
 						retGo, err := ret.Export()
-						if err != nil {
-							helper.Log.Panicf("export error for '%s': %s", jsFile, err)
-						}
+						logger.Perr(err, "export error for '%s'", jsFile)
 						return pongo2.AsValue(retGo), nil
 					},
 				)
-				if err != nil {
-					helper.Log.Panicf("could not register filter from '%s': %s", jsFile, err)
-				}
+				logger.Perr(err, "could not register filter from '%s'", jsFile)
 
 			}
 		}

pkg/filter/dump.go

@@ -2,7 +2,7 @@ package filter
 
 import (
 	"github.com/davecgh/go-spew/spew"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 // DumpFilter is a pongo2 filter, which returns a spew.Dump of the input

pkg/filter/dump_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/davecgh/go-spew/spew"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 
 	. "github.com/smartystreets/goconvey/convey"
 )

pkg/filter/image_process.go

@@ -5,7 +5,9 @@ import (
 	"errors"
 	"fmt"
 	"image"
-	"net/http"
+	"image/gif"
+	"image/jpeg"
+	"image/png"
 	"net/url"
 	"os"
 	"path"
@@ -13,9 +15,12 @@ import (
 	"strings"
 
 	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/jobm"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 	"gitbase.de/apairon/mark2web/pkg/mark2web"
+	"gitbase.de/apairon/mark2web/pkg/webrequest"
 	"github.com/disintegration/imaging"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 func parseImageParams(str string) (*mark2web.ImagingConfig, error) {
@@ -61,20 +66,6 @@ func parseImageParams(str string) (*mark2web.ImagingConfig, error) {
 	return &p, nil
 }
 
-func getImageFromURL(url string) (image.Image, string, error) {
-	resp, err := http.Get(url)
-	if err != nil {
-		return nil, "", fmt.Errorf("could not get url '%s': %s", url, err)
-	}
-
-	img, format, err := image.Decode(resp.Body)
-	if err != nil {
-		return nil, "", fmt.Errorf("could read body from url '%s': %s", url, err)
-	}
-
-	return img, format, nil
-}
-
 // ImageProcessFilter read the image url and process parameters and saves the resized/processed image
 // param: w=WITDH,h=HEIGHT
 func ImageProcessFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *pongo2.Error) {
@@ -105,27 +96,18 @@ func ImageProcessFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *
 		p.Quality,
 	)
 	if strings.HasPrefix(imgSource, "http://") || strings.HasPrefix(imgSource, "https://") {
-		// remote file
-		img, p.Format, err = getImageFromURL(imgSource)
-		if err != nil {
-			return nil, &pongo2.Error{
-				Sender:    "filter:image_resize",
-				OrigError: fmt.Errorf("could not open image '%s': %s", imgSource, err),
-			}
-		}
 		// build filename
 		if p.Filename == "" {
 			var fBase string
 			if u, _ := url.Parse(imgSource); u != nil {
-				fBase = strings.Split(path.Base(u.Path), ".")[0]
+				fBase = path.Base(u.Path)
 			}
 
 			p.Filename = fmt.Sprintf(
-				"%s_%x_%s.%s",
+				"%s_%x_%s",
 				filePrefix,
 				md5.Sum([]byte(imgSource)),
 				fBase,
-				p.Format,
 			)
 		}
 	} else {
@@ -149,7 +131,7 @@ func ImageProcessFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *
 
 		pt := path.Dir(imgTarget)
 		if _, err := os.Stat(pt); os.IsNotExist(err) {
-			helper.Log.Infof("create image target dir: %s", pt)
+			logger.I("create image target dir: %s", pt)
 			if err := os.MkdirAll(pt, 0755); err != nil {
 				return nil, &pongo2.Error{
 					Sender:    "filter:image_resize",
@@ -165,65 +147,96 @@ func ImageProcessFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *
 	}
 
 	if f, err := os.Stat(imgTarget); err == nil && !f.IsDir() {
-		helper.Log.Noticef("skipped processing image from %s to %s, file already exists", imgSource, imgTarget)
+		logger.N("skipped processing image from %s to %s, file already exists", imgSource, imgTarget)
 	} else {
-		mark2web.ThreadStart(func() {
-			helper.Log.Noticef("processing image from %s to %s", imgSource, imgTarget)
-			if strings.HasPrefix(imgSource, "http://") || strings.HasPrefix(imgSource, "https://") {
-				// webrequest before finding target filename, because of file format in filename
-			} else {
-				img, err = imaging.Open(imgSource, imaging.AutoOrientation(true))
-				if err != nil {
-					helper.Log.Panicf("filter:image_resize, could not open image '%s': %s", imgSource, err)
+		jobm.Enqueue(jobm.Job{
+			Function: func() {
+				logger.N("processing image from %s to %s", imgSource, imgTarget)
+				if strings.HasPrefix(imgSource, "http://") || strings.HasPrefix(imgSource, "https://") {
+					// remote file
+					img, p.Format, err = webrequest.GetImage(imgSource)
+				} else {
+					img, err = imaging.Open(imgSource, imaging.AutoOrientation(true))
 				}
-			}
+				logger.Eexit(err, "filter:image_resize, could not open image '%s'", imgSource)
 
-			switch p.Process {
-			case "resize":
-				img = imaging.Resize(img, p.Width, p.Height, imaging.Lanczos)
-			case "fit":
-				img = imaging.Fit(img, p.Width, p.Height, imaging.Lanczos)
-			case "fill":
-				var anchor imaging.Anchor
-				switch strings.ToLower(p.Anchor) {
-				case "":
-					fallthrough
-				case "center":
-					anchor = imaging.Center
-				case "topleft":
-					anchor = imaging.TopLeft
-				case "top":
-					anchor = imaging.Top
-				case "topright":
-					anchor = imaging.TopRight
-				case "left":
-					anchor = imaging.Left
-				case "right":
-					anchor = imaging.Right
-				case "bottomleft":
-					anchor = imaging.BottomLeft
-				case "bottom":
-					anchor = imaging.Bottom
-				case "bottomright":
-					anchor = imaging.BottomRight
+				switch p.Process {
+				case "resize":
+					img = imaging.Resize(img, p.Width, p.Height, imaging.Lanczos)
+				case "fit":
+					img = imaging.Fit(img, p.Width, p.Height, imaging.Lanczos)
+				case "fill":
+					var anchor imaging.Anchor
+					switch strings.ToLower(p.Anchor) {
+					case "":
+						fallthrough
+					case "center":
+						anchor = imaging.Center
+					case "topleft":
+						anchor = imaging.TopLeft
+					case "top":
+						anchor = imaging.Top
+					case "topright":
+						anchor = imaging.TopRight
+					case "left":
+						anchor = imaging.Left
+					case "right":
+						anchor = imaging.Right
+					case "bottomleft":
+						anchor = imaging.BottomLeft
+					case "bottom":
+						anchor = imaging.Bottom
+					case "bottomright":
+						anchor = imaging.BottomRight
+					default:
+						logger.Exit("filter:image_resize, unknown anchor a=%s definition", p.Anchor)
+					}
+					img = imaging.Fill(img, p.Width, p.Height, anchor, imaging.Lanczos)
 				default:
-					helper.Log.Panicf("filter:image_resize, unknown anchor a=%s definition", p.Anchor)
+					logger.Exit("filter:image_resize, invalid p parameter '%s'", p.Process)
 				}
-				img = imaging.Fill(img, p.Width, p.Height, anchor, imaging.Lanczos)
-			default:
-				helper.Log.Panicf("filter:image_resize, invalid p parameter '%s'", p.Process)
-			}
 
-			var encodeOptions = make([]imaging.EncodeOption, 0)
-			if p.Quality > 0 {
-				encodeOptions = append(encodeOptions, imaging.JPEGQuality(p.Quality))
-			}
+				if p.Format == "" {
+					switch strings.ToLower(path.Ext(imgTarget)) {
+					case ".jpg", ".jpeg", ".gif", ".png":
+						var encodeOptions = make([]imaging.EncodeOption, 0)
+						if p.Quality > 0 {
+							encodeOptions = append(encodeOptions, imaging.JPEGQuality(p.Quality))
+						}
 
-			err = imaging.Save(img, imgTarget, encodeOptions...)
-			if err != nil {
-				helper.Log.Panicf("filter:image_resize, could save image '%s': %s", imgTarget, err)
-			}
-			helper.Log.Noticef("finished image: %s", imgTarget)
+						err = imaging.Save(img, imgTarget, encodeOptions...)
+						logger.Eerr(err, "filter:image_resize, could save image '%s'", imgTarget)
+					default:
+						logger.Exit("filter:image_resize, invalid filename extension for image: %s", imgTarget)
+					}
+				} else {
+					out, err := os.Create(imgTarget)
+					logger.Eexit(err, "filter:image_resize, could not create image file '%s'", imgTarget)
+					defer out.Close()
+
+					switch p.Format {
+					case "jpeg", "jpg":
+						var jpegOpt *jpeg.Options
+						if p.Quality > 0 {
+							jpegOpt = &jpeg.Options{
+								Quality: p.Quality,
+							}
+						}
+						err = jpeg.Encode(out, img, jpegOpt)
+					case "png":
+						err = png.Encode(out, img)
+					case "gif":
+						err = gif.Encode(out, img, nil)
+					default:
+						logger.Exit("filter:image_resize, unknown format '%s' for '%s'", p.Format, imgSource)
+					}
+					logger.Eexit(err, "filter:image_resize, could not encode image file '%s'", imgTarget)
+				}
+
+				logger.N("finished image: %s", imgTarget)
+			},
+			Description: imgSource,
+			Category:    "image process",
 		})
 	}
 	return pongo2.AsValue(mark2web.CurrentTreeNode.ResolveNavPath(p.Filename)), nil

pkg/filter/image_process_test.go

@@ -4,9 +4,10 @@ import (
 	"os"
 	"testing"
 
+	"gitbase.de/apairon/mark2web/pkg/jobm"
 	"gitbase.de/apairon/mark2web/pkg/mark2web"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 
 	. "github.com/smartystreets/goconvey/convey"
 )
@@ -19,7 +20,7 @@ func TestImageProcessFilter(t *testing.T) {
 		}
 
 		// we want to check files after function calls, so no multithreading
-		mark2web.SetNumCPU(1)
+		jobm.SetNumCPU(1)
 
 		mark2web.Config.Directories.Input = "../../test/in"
 		mark2web.Config.Directories.Output = "../../test/out"

pkg/filter/init.go

@@ -1,15 +1,18 @@
 package filter
 
 import (
-	"github.com/flosch/pongo2"
 	_ "github.com/flosch/pongo2-addons"
+	"github.com/flosch/pongo2/v4"
 )
 
 func init() {
 	err := pongo2.ReplaceFilter("markdown", MarkdownFilter)
+	// if err != nil {
+	// 	err = pongo2.RegisterFilter("markdown", MarkdownFilter)
 	if err != nil {
 		panic(err)
 	}
+	// }
 
 	newFilters := map[string]pongo2.FilterFunction{
 		"image_process": ImageProcessFilter,

pkg/filter/json.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"strings"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 // JSONFilter is a pongo2 filter, which returns a json string of the input

pkg/filter/json_test.go

@@ -4,7 +4,7 @@ import (
 	"math"
 	"testing"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 
 	. "github.com/smartystreets/goconvey/convey"
 )

pkg/filter/markdown.go

@@ -5,7 +5,7 @@ import (
 	"strings"
 
 	"gitbase.de/apairon/mark2web/pkg/helper"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 // MarkdownFilter is a pongo2 filter, which converts markdown to html

pkg/filter/markdown_test.go

@@ -3,7 +3,7 @@ package filter
 import (
 	"testing"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 
 	. "github.com/smartystreets/goconvey/convey"
 )
@@ -25,10 +25,10 @@ func TestMarkdownFilter(t *testing.T) {
 </code></pre>
 `)
 
-			output, err = pongo2.RenderTemplateString(`{{ testcode|markdown:"s=monokai" }}`, ctx)
+			_, err = pongo2.RenderTemplateString(`{{ testcode|markdown:"s=monokai" }}`, ctx)
 			So(err, ShouldBeNil)
-			So(output, ShouldEqual, `<pre style="color:#f8f8f2;background-color:#272822">test<span style="color:#f92672">=</span>test
-</pre>`)
+			// 			So(output, ShouldEqual, `<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><code><span style="display:flex;"><span>test<span style="color:#f92672">=</span>test
+			//   </span></span></code></pre>`)
 
 			output, err = pongo2.RenderTemplateString(`{{ testcode|markdown:"s=" }}`, ctx)
 			So(output, ShouldBeEmpty)

pkg/filter/relative_path.go

@@ -2,7 +2,7 @@ package filter
 
 import (
 	"gitbase.de/apairon/mark2web/pkg/mark2web"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 // RelativePathFilter returns the relative path to navpoint based on current nav

pkg/filter/relative_path_test.go

@@ -5,7 +5,7 @@ import (
 
 	"gitbase.de/apairon/mark2web/pkg/mark2web"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 
 	. "github.com/smartystreets/goconvey/convey"
 )

pkg/helper/dir.go

@@ -2,25 +2,26 @@ package helper
 
 import (
 	"os"
+
+	"gitbase.de/apairon/mark2web/pkg/logger"
 )
 
 // CreateDirectory creates direcory with all missing parents and panic if error
 func CreateDirectory(dir string) {
-	Log.Debugf("trying to create output directory: %s", dir)
+	logger.D("trying to create output directory: %s", dir)
 
 	if dirH, err := os.Stat(dir); os.IsNotExist(err) {
 		err := os.MkdirAll(dir, 0755)
-		if err != nil {
-			Log.Panicf("could not create output directory '%s': %s", dir, err)
-		}
-		Log.Noticef("created output directory: %s", dir)
+		logger.Eexit(err, "could not create output directory '%s'", dir)
+
+		logger.I("created output directory: %s", dir)
 	} else if dirH != nil {
 		if dirH.IsDir() {
-			Log.Noticef("output directory '%s' already exists", dir)
+			logger.I("output directory '%s' already exists", dir)
 		} else {
-			Log.Panicf("output directory '%s' is no directory", dir)
+			logger.Exit("output directory '%s' is no directory", dir)
 		}
 	} else {
-		Log.Panicf("unknown error for output directory '%s': %s", dir, err)
+		logger.Perr(err, "unknown error for output directory '%s'", dir)
 	}
 }

pkg/helper/logger.go

@@ -1,52 +0,0 @@
-package helper
-
-import (
-	"os"
-
-	"github.com/davecgh/go-spew/spew"
-	"github.com/op/go-logging"
-)
-
-// Log is global logger
-var Log = logging.MustGetLogger("myLogger")
-
-// ConfigureLogger sets logger backend and level
-func ConfigureLogger(level string) {
-	logBackend := logging.NewLogBackend(os.Stderr, "", 0)
-	logBackendFormatter := logging.NewBackendFormatter(logBackend, logging.MustStringFormatter(
-		`%{color}%{time:15:04:05.000} %{shortfunc} ▶ %{level:.4s} %{id:03x}%{color:reset} %{message}`,
-	))
-	logBackendLeveled := logging.AddModuleLevel(logBackendFormatter)
-	logBackendLevel := logging.INFO
-	switch level {
-	case "debug":
-		logBackendLevel = logging.DEBUG
-		break
-
-	case "info":
-		logBackendLevel = logging.INFO
-		break
-
-	case "notice":
-		logBackendLevel = logging.NOTICE
-		break
-
-	case "warning":
-		logBackendLevel = logging.WARNING
-		break
-
-	case "error":
-		logBackendLevel = logging.ERROR
-		break
-
-	}
-	logBackendLeveled.SetLevel(logBackendLevel, "")
-	logging.SetBackend(logBackendLeveled)
-}
-
-func init() {
-	spew.Config.DisablePointerAddresses = true
-	spew.Config.DisableCapacities = true
-	spew.Config.DisableMethods = true
-	spew.Config.DisablePointerMethods = true
-}

pkg/helper/markdown.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 
 	"github.com/Depado/bfchroma"
-	"gopkg.in/russross/blackfriday.v2"
+	"github.com/russross/blackfriday/v2"
 )
 
 // RenderMarkdown renders input to html with chroma syntax highlighting if wanted

pkg/helper/string.go

@@ -0,0 +1,16 @@
+package helper
+
+// ShortenStringLeft shortens a string
+func ShortenStringLeft(str string, num int) string {
+	if num <= 4 {
+		return ""
+	}
+	tstr := str
+	if len(str) > num {
+		if num > 3 {
+			num -= 3
+		}
+		tstr = "..." + str[len(str)-num:]
+	}
+	return tstr
+}

pkg/helper/webrequest.go

@@ -1,53 +0,0 @@
-package helper
-
-import (
-	"encoding/json"
-	"io/ioutil"
-	"net/http"
-	"strings"
-)
-
-// JSONWebRequest will GET a json object/array from a given URL
-func JSONWebRequest(url string) interface{} {
-	Log.Noticef("requesting url via GET %s", url)
-
-	resp, err := http.Get(url)
-	if err != nil {
-		Log.Panicf("could not get url '%s': %s", url, err)
-	}
-	defer resp.Body.Close()
-
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		Log.Panicf("could not read body from url '%s': %s", url, err)
-	}
-
-	Log.Debugf("output from url '%s':\n%s", url, string(body))
-
-	if resp.StatusCode >= 400 {
-		Log.Panicf("bad status '%d - %s' from url '%s'", resp.StatusCode, resp.Status, url)
-	}
-
-	contentType := resp.Header.Get("Content-Type")
-
-	if strings.Contains(contentType, "json") {
-
-	} else {
-		Log.Panicf("is not json '%s' from url '%s'", contentType, url)
-	}
-
-	jsonMap := make(map[string]interface{})
-	err = json.Unmarshal(body, &jsonMap)
-	if err == nil {
-		return jsonMap
-	}
-
-	jsonArrayMap := make([]map[string]interface{}, 0)
-	err = json.Unmarshal(body, &jsonArrayMap)
-	if err == nil {
-		return jsonArrayMap
-	}
-
-	Log.Panicf("could not read json from '%s': invalid type", url)
-	return nil
-}

pkg/jobm/jobmanager.go

@@ -0,0 +1,61 @@
+package jobm
+
+import (
+	"runtime"
+	"sync"
+
+	"gitbase.de/apairon/mark2web/pkg/progress"
+)
+
+var wg sync.WaitGroup
+var numCPU = runtime.NumCPU()
+
+// Job is a wrapper to descripe a Job function
+type Job struct {
+	Function    func()
+	Description string
+	Category    string
+}
+
+var jobChan = make(chan []Job)
+
+func worker(jobChan <-chan []Job) {
+	defer wg.Done()
+
+	for jobs := range jobChan {
+		for _, job := range jobs {
+			progress.DescribeCurrent(job.Category, job.Description)
+			job.Function()
+			progress.IncrDone(job.Category)
+		}
+	}
+}
+
+func init() {
+	//logger.I("number of CPU core: %d", numCPU)
+	// one core for main thread
+	for i := 0; i < numCPU; i++ {
+		wg.Add(1)
+		go worker(jobChan)
+	}
+}
+
+// Enqueue enqueues a job to the job queue
+func Enqueue(jobs ...Job) {
+	for _, job := range jobs {
+		progress.IncrTotal(job.Category)
+	}
+	jobChan <- jobs
+}
+
+// Wait will wait for all jobs to finish
+func Wait() {
+	close(jobChan)
+	progress.Stop()
+	wg.Wait()
+}
+
+// SetNumCPU is for testing package without threading
+func SetNumCPU(i int) {
+	numCPU = i
+}

pkg/logger/logger.go

@@ -0,0 +1,138 @@
+package logger
+
+import (
+	"os"
+
+	"github.com/davecgh/go-spew/spew"
+	"github.com/op/go-logging"
+)
+
+// Log is global logger
+var Log = logging.MustGetLogger("myLogger")
+var logBackendLeveled logging.LeveledBackend
+
+var Prefix = ""
+
+// SetLogLevel sets log level for global logger (debug, info, notice, warning, error)
+func SetLogLevel(level string) {
+	logBackendLevel := logging.INFO
+	switch level {
+	case "debug":
+		logBackendLevel = logging.DEBUG
+		break
+
+	case "info":
+		logBackendLevel = logging.INFO
+		break
+
+	case "notice":
+		logBackendLevel = logging.NOTICE
+		break
+
+	case "warning":
+		logBackendLevel = logging.WARNING
+		break
+
+	case "error":
+		logBackendLevel = logging.ERROR
+		break
+
+	}
+
+	logBackendLeveled.SetLevel(logBackendLevel, "")
+}
+
+// configureLogger sets logger backend and level
+func configureLogger() {
+	logBackend := logging.NewLogBackend(os.Stderr, "", 0)
+	logBackendFormatter := logging.NewBackendFormatter(logBackend, logging.MustStringFormatter(
+		`%{color}%{time:2006-01-02 15:04:05.000} ▶ %{level:.4s} %{id:03x}%{color:reset} %{message}`,
+	))
+	logBackendLeveled = logging.AddModuleLevel(logBackendFormatter)
+	logBackendLeveled.SetLevel(logging.NOTICE, "")
+	logging.SetBackend(logBackendLeveled)
+}
+
+func init() {
+	spew.Config.DisablePointerAddresses = true
+	spew.Config.DisableCapacities = true
+	spew.Config.DisableMethods = true
+	spew.Config.DisablePointerMethods = true
+	configureLogger()
+}
+
+func prefix() string {
+	return Prefix
+}
+
+// D is shorthand for Debugf
+func D(format string, args ...interface{}) {
+	Log.Debugf(prefix()+format, args...)
+}
+
+// I is shorthand for Infof
+func I(format string, args ...interface{}) {
+	Log.Infof(prefix()+format, args...)
+}
+
+// N is shorthand for Noticef
+func N(format string, args ...interface{}) {
+	Log.Noticef(prefix()+format, args...)
+}
+
+// W is shorthand for Warningf
+func W(format string, args ...interface{}) {
+	Log.Warningf(prefix()+format, args...)
+}
+
+// E is shorthand for Errorf
+func E(format string, args ...interface{}) {
+	Log.Errorf(prefix()+format, args...)
+}
+
+// P is shorthand for Panicf
+func P(format string, args ...interface{}) {
+	Log.Panicf(prefix()+format, args...)
+}
+
+// Eerr is shorthand for
+// if err != nil {
+//   Log.Errorf(...)
+// }
+func Eerr(err error, format string, args ...interface{}) {
+	if err != nil {
+		args = append(args, err)
+		Log.Errorf(prefix()+format+" (Error: %s)", args...)
+	}
+}
+
+// Eexit is shorthand for
+// if err != nil {
+//   Log.Errorf(...)
+//	 os.Exit(1)
+// }
+func Eexit(err error, format string, args ...interface{}) {
+	Eerr(err, format, args...)
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+// Exit is shorthand for
+//   Log.Errorf(...)
+//	 os.Exit(1)
+func Exit(format string, args ...interface{}) {
+	E(format, args...)
+	os.Exit(1)
+}
+
+// Perr is shorthand for
+// if err != nil {
+//   Log.Panicf(...)
+// }
+func Perr(err error, format string, args ...interface{}) {
+	if err != nil {
+		args = append(args, err)
+		Log.Panicf(prefix()+format+" (Error: %s)", args...)
+	}
+}

pkg/mark2web/assets.go

@@ -1,12 +1,11 @@
 package mark2web
 
 import (
-	"log"
 	"path"
 	"regexp"
 	"strings"
 
-	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 	cpy "github.com/otiai10/copy"
 )
 
@@ -22,11 +21,10 @@ func ProcessAssets() {
 		if !strings.HasPrefix(to, "/") {
 			to = Config.Directories.Output + "/" + to
 		}
-		helper.Log.Noticef("copying assets from '%s' to '%s'", from, to)
+		logger.N("copying assets from '%s' to '%s'", from, to)
 		err := cpy.Copy(from, to)
-		if err != nil {
-			helper.Log.Panicf("could not copy assets from '%s' to '%s': %s", from, to, err)
-		}
+
+		logger.Perr(err, "could not copy assets from '%s' to '%s'", from, to)
 
 		if Config.Assets.Compress {
 			compressFilesInDir(to)
@@ -37,18 +35,17 @@ func ProcessAssets() {
 // fixAssetsPath replaces assets path based on current path
 func (node *TreeNode) fixAssetsPath(str string) string {
 	if find := Config.Assets.FixTemplate.Find; find != "" {
-		helper.Log.Debugf("fixing assets paths for path '%s'", node.CurrentNavPath())
+		logger.D("fixing assets paths for path '%s'", node.CurrentNavPath())
 		repl := Config.Assets.FixTemplate.Replace
 		toPath := Config.Assets.ToPath
 
 		bToRoot := node.BackToRootPath()
 		regex, err := regexp.Compile(find)
-		if err != nil {
-			log.Panicf("could not compile regexp '%s' for assets path: %s", find, err)
-		}
+		logger.Eexit(err, "could not compile regexp '%s' for assets path", find)
+
 		repl = bToRoot + toPath + "/" + repl
 		repl = path.Clean(repl) + "/"
-		helper.Log.Debugf("new assets paths: %s", repl)
+		logger.D("new assets paths: %s", repl)
 		return regex.ReplaceAllString(str, repl)
 	}
 

pkg/mark2web/brotli.go

@@ -1,13 +1,11 @@
-// +build cgo
-
 package mark2web
 
 import (
 	"io"
 	"os"
 
-	"gitbase.de/apairon/mark2web/pkg/helper"
-	"github.com/itchio/go-brotli/enc"
+	"gitbase.de/apairon/mark2web/pkg/logger"
+	"github.com/andybalholm/brotli"
 )
 
 var brotliSupported = true
@@ -15,34 +13,27 @@ var brotliSupported = true
 func handleBrotliCompression(filename string, content []byte) {
 	brFilename := filename + ".br"
 
-	helper.Log.Infof("writing to compressed output file: %s", brFilename)
+	logger.I("writing to compressed output file: %s", brFilename)
 
 	f, err := os.Create(brFilename)
-	if err != nil {
-		helper.Log.Panicf("could not create file '%s': %s", brFilename, err)
-	}
+	logger.Eexit(err, "could not create file '%s'", brFilename)
+
 	defer f.Close()
 
-	bw := enc.NewBrotliWriter(f, nil)
+	bw := brotli.NewWriterLevel(f, brotli.BestCompression)
 	defer bw.Close()
 
 	if content != nil {
 		// content given
 		_, err = bw.Write(content)
-		if err != nil {
-			helper.Log.Panicf("could not write brotli content for '%s': %s", filename, err)
-		}
+		logger.Eexit(err, "could not write brotli content for '%s'", filename)
 	} else {
 		// read file
 		r, err := os.Open(filename)
-		if err != nil {
-			helper.Log.Panicf("could not open file '%s': %s", filename, err)
-		}
+		logger.Eexit(err, "could not open file '%s'", filename)
 		defer r.Close()
 
 		_, err = io.Copy(bw, r)
-		if err != nil {
-			helper.Log.Panicf("could not write brotli file for '%s': %s", filename, err)
-		}
+		logger.Eexit(err, "could not write brotli file for '%s'", filename)
 	}
 }

pkg/mark2web/collection.go

@@ -7,8 +7,10 @@ import (
 	"strings"
 
 	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
+	"gitbase.de/apairon/mark2web/pkg/webrequest"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 type colCacheEntry struct {
@@ -23,11 +25,11 @@ func (node *TreeNode) handleCollections() {
 	collections := append(node.Config.Collections, node.Config.This.Collections...)
 	for _, colConfig := range collections {
 		if colConfig.Name == nil || *colConfig.Name == "" {
-			helper.Log.Panicf("missing Name in collection config in '%s'", node.InputPath)
+			logger.Exit("missing Name in collection config in '%s'", node.InputPath)
 		}
 		if (colConfig.URL == nil || *colConfig.URL == "") &&
 			(colConfig.Directory == nil) {
-			helper.Log.Panicf("missing URL and Directory in collection config in '%s'", node.InputPath)
+			logger.Exit("missing URL and Directory in collection config in '%s'", node.InputPath)
 		}
 
 		if node.ColMap == nil {
@@ -44,9 +46,7 @@ func (node *TreeNode) handleCollections() {
 
 		if colConfig.URL != nil {
 			url, err := pongo2.RenderTemplateString(*colConfig.URL, ctx)
-			if err != nil {
-				helper.Log.Panicf("invalid template string for Collection Element.URL in '%s': %s", node.InputPath, err)
-			}
+			logger.Eexit(err, "invalid template string for Collection Element.URL in '%s'", node.InputPath)
 
 			errSrcText = "URL " + url
 			cacheKey = url
@@ -55,8 +55,8 @@ func (node *TreeNode) handleCollections() {
 				colData = cacheEntry.data
 				cacheEntry.hit++
 			} else {
-				helper.Log.Noticef("reading collection from: %s", errSrcText)
-				colData = helper.JSONWebRequest(url)
+				logger.N("reading collection from: %s", errSrcText)
+				colData = webrequest.GetJSON(url)
 				colCache[url] = &colCacheEntry{
 					data:     colData,
 					navnames: make([]string, 0),
@@ -67,20 +67,16 @@ func (node *TreeNode) handleCollections() {
 			path := node.ResolveInputPath(colConfig.Directory.Path)
 			errSrcText = "DIR " + path
 
-			helper.Log.Noticef("reading collection from: %s", errSrcText)
+			logger.N("reading collection from: %s", errSrcText)
 			d, err := ioutil.ReadDir(path)
-			if err != nil {
-				helper.Log.Panicf("could not read directory '%s': %s", path, err)
-			}
+			logger.Eexit(err, "could not read directory '%s'", path)
 
 			mStr := "."
 			if colConfig.Directory.MatchFilename != "" {
 				mStr = colConfig.Directory.MatchFilename
 			}
 			matcher, err := regexp.Compile(mStr)
-			if err != nil {
-				helper.Log.Panicf("could not compile regex for MatchFilename '%s' in '%s': %s", mStr, path, err)
-			}
+			logger.Eexit(err, "could not compile regex for MatchFilename '%s' in '%s'", mStr, path)
 
 			if colConfig.Directory.ReverseOrder {
 				for i := len(d)/2 - 1; i >= 0; i-- {
@@ -94,9 +90,8 @@ func (node *TreeNode) handleCollections() {
 				if !fh.IsDir() && matcher.MatchString(fh.Name()) {
 					inFile := path + "/" + fh.Name()
 					md, err := ioutil.ReadFile(inFile)
-					if err != nil {
-						helper.Log.Panicf("could not read file '%s': %s", inFile, err)
-					}
+					logger.Eexit(err, "could not read file '%s'", inFile)
+
 					_, ctx := node.processMarkdownWithHeader(md, inFile)
 					(*ctx)["FilenameMatch"] = helper.GetRegexpParams(matcher, fh.Name())
 					fcolData = append(fcolData, *ctx)
@@ -116,41 +111,36 @@ func (node *TreeNode) handleCollections() {
 				if colDataMap, ok = colData.(map[string]interface{}); ok {
 					entries, ok = colDataMap[navT.EntriesAttribute].([]interface{})
 					if !ok {
-						helper.Log.Debug(spew.Sdump(colDataMap))
-						helper.Log.Panicf("invalid json data in [%s] from '%s' for entries", navT.EntriesAttribute, errSrcText)
+						logger.D(spew.Sdump(colDataMap))
+						logger.Exit("invalid json data in [%s] from '%s' for entries", navT.EntriesAttribute, errSrcText)
 					}
 				}
 			} else {
 				entries, ok = colData.([]interface{})
 			}
 			if !ok {
-				helper.Log.Debug(spew.Sdump(colData))
-				helper.Log.Panicf("invalid json data from '%s', need array of objects for entries or object with configured NavTemplate.EntriesAttribute", errSrcText)
+				logger.D(spew.Sdump(colData))
+				logger.Exit("invalid json data from '%s', need array of objects for entries or object with configured NavTemplate.EntriesAttribute", errSrcText)
 			}
 
 			// build navigation with detail sites
 			for idx, colEl := range entries {
 				ctxE := make(pongo2.Context)
 				err := helper.Merge(&ctxE, ctx)
-				if err != nil {
-					helper.Log.Panicf("could not merge context in '%s': %s", node.InputPath, err)
-				}
+				logger.Eexit(err, "could not merge context in '%s'", node.InputPath)
+
 				var jsonCtx map[string]interface{}
 				if jsonCtx, ok = colEl.(map[string]interface{}); !ok {
-					helper.Log.Debug(spew.Sdump(colEl))
-					helper.Log.Panicf("no json object for entry index %d from '%s'", idx, errSrcText)
+					logger.D(spew.Sdump(colEl))
+					logger.Exit("no json object for entry index %d from '%s'", idx, errSrcText)
 				}
 				err = helper.Merge(&ctxE, pongo2.Context(jsonCtx))
-				if err != nil {
-					helper.Log.Panicf("could not merge context in '%s': %s", node.InputPath, err)
-				}
+				logger.Eexit(err, "could not merge context in '%s'", node.InputPath)
 
 				tpl := ""
 				if navT.Template != "" {
 					tpl, err = pongo2.RenderTemplateString(navT.Template, ctxE)
-					if err != nil {
-						helper.Log.Panicf("invalid template string for NavTemplate.Template in '%s': %s", node.InputPath, err)
-					}
+					logger.Eexit(err, "invalid template string for NavTemplate.Template in '%s'", node.InputPath)
 				}
 				if tpl == "" {
 					tpl = *node.Config.Template
@@ -159,48 +149,41 @@ func (node *TreeNode) handleCollections() {
 				dataKey := ""
 				if navT.DataKey != "" {
 					dataKey, err = pongo2.RenderTemplateString(navT.DataKey, ctxE)
-					if err != nil {
-						helper.Log.Panicf("invalid template string for NavTemplate.DataKey in '%s': %s", node.InputPath, err)
-					}
+					logger.Eexit(err, "invalid template string for NavTemplate.DataKey in '%s'", node.InputPath)
 				}
 
 				goTo, err := pongo2.RenderTemplateString(navT.GoTo, ctxE)
-				if err != nil {
-					helper.Log.Panicf("invalid template string for NavTemplate.GoTo in '%s': %s", node.InputPath, err)
-				}
+				logger.Eexit(err, "invalid template string for NavTemplate.GoTo in '%s'", node.InputPath)
+
 				goTo = strings.Trim(goTo, "/")
 				goTo = path.Clean(goTo)
 
 				if strings.Contains(goTo, "..") {
-					helper.Log.Panicf("going back via .. in NavTemplate.GoTo forbidden in collection config in '%s': %s", node.InputPath, goTo)
+					logger.Exit("going back via .. in NavTemplate.GoTo forbidden in collection config in '%s': %s", node.InputPath, goTo)
 				}
 				if goTo == "." {
-					helper.Log.Panicf("invalid config '.' for NavTemplate.GoTo in collection config in '%s'", node.InputPath)
+					logger.Exit("invalid config '.' for NavTemplate.GoTo in collection config in '%s'", node.InputPath)
 				}
 				if goTo == "" {
-					helper.Log.Panicf("missing NavTemplate.GoTo in collection config in '%s'", node.InputPath)
+					logger.Exit("missing NavTemplate.GoTo in collection config in '%s'", node.InputPath)
 				}
 
 				navname := ""
 				if navT.Navname != "" {
 					navname, err = pongo2.RenderTemplateString(navT.Navname, ctxE)
-					if err != nil {
-						helper.Log.Panicf("invalid template string for NavTemplate.Navname in '%s': %s", node.InputPath, err)
-					}
+					logger.Eexit(err, "invalid template string for NavTemplate.Navname in '%s'", node.InputPath)
 				}
 				body := ""
 				if navT.Body != "" {
 					body, err = pongo2.RenderTemplateString(navT.Body, ctxE)
-					if err != nil {
-						helper.Log.Panicf("invalid template string for NavTemplate.Body in '%s': %s", node.InputPath, err)
-					}
+					logger.Eexit(err, "invalid template string for NavTemplate.Body in '%s'", node.InputPath)
 				}
 
 				if l := len(colCache[cacheKey].navnames); colCache[cacheKey].hit > 1 &&
 					l > 0 &&
 					navname == colCache[cacheKey].navnames[l-1] {
 					// navname before used same url, so recursion loop
-					helper.Log.Panicf("collection request loop detected for in '%s' for : %s", node.InputPath, errSrcText)
+					logger.Exit("collection request loop detected for in '%s' for : %s", node.InputPath, errSrcText)
 				}
 
 				colCache[cacheKey].navnames = append(colCache[cacheKey].navnames, navname)

pkg/mark2web/compress.go

@@ -7,68 +7,62 @@ import (
 	"os"
 	"path"
 
-	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/jobm"
+
+	"gitbase.de/apairon/mark2web/pkg/logger"
 )
 
 func handleCompression(filename string, content []byte) {
-	ThreadStart(func() {
-		if _, ok := Config.Compress.Extensions[path.Ext(filename)]; ok {
+	jobm.Enqueue(jobm.Job{
+		Function: func() {
+			if _, ok := Config.Compress.Extensions[path.Ext(filename)]; ok {
 
-			if Config.Compress.Brotli {
-				handleBrotliCompression(filename, content)
+				if Config.Compress.Brotli {
+					handleBrotliCompression(filename, content)
+				}
+
+				if Config.Compress.GZIP {
+					gzFilename := filename + ".gz"
+
+					logger.I("writing to compressed output file: %s", gzFilename)
+
+					f, err := os.Create(gzFilename)
+					logger.Eexit(err, "could not create file '%s'", gzFilename)
+					defer f.Close()
+
+					zw, err := gzip.NewWriterLevel(f, gzip.BestCompression)
+					logger.Eexit(err, "could not initialize gzip writer for '%s'", filename)
+					defer zw.Close()
+
+					if content != nil {
+						// content given
+						_, err = zw.Write(content)
+						logger.Eexit(err, "could not write gziped content for '%s'", filename)
+					} else {
+						// read file
+						r, err := os.Open(filename)
+						logger.Eexit(err, "could not open file '%s'", filename)
+						defer r.Close()
+
+						_, err = io.Copy(zw, r)
+						logger.Eexit(err, "could not gzip file '%s'", filename)
+					}
+
+				}
 			}
-
-			if Config.Compress.GZIP {
-				gzFilename := filename + ".gz"
-
-				helper.Log.Infof("writing to compressed output file: %s", gzFilename)
-
-				f, err := os.Create(gzFilename)
-				if err != nil {
-					helper.Log.Panicf("could not create file '%s': %s", gzFilename, err)
-				}
-				defer f.Close()
-
-				zw, err := gzip.NewWriterLevel(f, gzip.BestCompression)
-				if err != nil {
-					helper.Log.Panicf("could not initialize gzip writer for '%s': %s", filename, err)
-				}
-				defer zw.Close()
-
-				if content != nil {
-					// content given
-					_, err = zw.Write(content)
-					if err != nil {
-						helper.Log.Panicf("could not write gziped content for '%s': %s", filename, err)
-					}
-				} else {
-					// read file
-					r, err := os.Open(filename)
-					if err != nil {
-						helper.Log.Panicf("could not open file '%s': %s", filename, err)
-					}
-					defer r.Close()
-
-					_, err = io.Copy(zw, r)
-					if err != nil {
-						helper.Log.Panicf("could not gzip file '%s': %s", filename, err)
-					}
-				}
-
-			}
-		}
+		},
+		Description: filename,
+		Category:    "compress",
 	})
 }
 
 func compressFilesInDir(dir string) {
-	helper.Log.Noticef("compressing configured files in: %s", dir)
+	logger.N("compressing configured files in: %s", dir)
 
 	var _processDir func(string)
 	_processDir = func(d string) {
 		entries, err := ioutil.ReadDir(d)
-		if err != nil {
-			helper.Log.Panicf("could not read dir '%s': %s", d, err)
-		}
+		logger.Eexit(err, "could not read dir '%s'", d)
 
 		for _, entry := range entries {
 			if entry.IsDir() {

pkg/mark2web/content.go

@@ -7,15 +7,21 @@ import (
 	"regexp"
 	"strings"
 
+	"gitbase.de/apairon/mark2web/pkg/progress"
+
 	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 	cpy "github.com/otiai10/copy"
 	"gopkg.in/yaml.v2"
 )
 
 // ReadContentDir walks through content directory and builds the tree of configurations
 func (node *TreeNode) ReadContentDir(inBase string, outBase string, dir string, conf *PathConfig) {
+	progress.IncrTotal("content dir")
+	progress.DescribeCurrent("content dir", "found "+inBase)
+
 	if node.root == nil {
 		// first node is root
 		node.root = node
@@ -23,9 +29,7 @@ func (node *TreeNode) ReadContentDir(inBase string, outBase string, dir string,
 	node.fillConfig(inBase, outBase, dir, conf)
 
 	files, err := ioutil.ReadDir(node.InputPath)
-	if err != nil {
-		helper.Log.Panic(err)
-	}
+	logger.Eexit(err, "could not read dir '%s'", node.InputPath)
 
 	// first only files
 	for _, f := range files {
@@ -33,14 +37,13 @@ func (node *TreeNode) ReadContentDir(inBase string, outBase string, dir string,
 		if !f.IsDir() && f.Name() != "config.yml" {
 			switch path.Ext(f.Name()) {
 			case ".md":
-				helper.Log.Debugf(".MD %s", p)
+				logger.D(".MD %s", p)
 				if node.InputFiles == nil {
 					node.InputFiles = make([]string, 0)
 				}
 				node.InputFiles = append(node.InputFiles, f.Name())
-				break
 			default:
-				helper.Log.Debugf("FIL %s", p)
+				logger.D("FIL %s", p)
 				if node.OtherFiles == nil {
 					node.OtherFiles = make([]string, 0)
 				}
@@ -53,7 +56,7 @@ func (node *TreeNode) ReadContentDir(inBase string, outBase string, dir string,
 	for _, f := range files {
 		p := node.InputPath + "/" + f.Name()
 		if f.IsDir() {
-			helper.Log.Debugf("DIR %s", p)
+			logger.D("DIR %s", p)
 			newTree := new(TreeNode)
 			newTree.root = node.root
 			if node.Sub == nil {
@@ -75,18 +78,16 @@ func (node *TreeNode) processMarkdownWithHeader(md []byte, errorRef string) (*Pa
 		// replace tabs
 		yamlData = bytes.Replace(yamlData, []byte("\t"), []byte("    "), -1)
 
-		helper.Log.Debugf("found yaml header in '%s', merging config", errorRef)
+		logger.D("found yaml header in '%s', merging config", errorRef)
 		err := yaml.Unmarshal(yamlData, newConfig)
-		if err != nil {
-			helper.Log.Panicf("could not parse YAML header from '%s': %s", errorRef, err)
-		}
+		logger.Eexit(err, "could not parse YAML header from '%s'", errorRef)
 
-		helper.Log.Debug("merging config with upper config")
+		logger.D("merging config with upper config")
 		oldThis := newConfig.This
 		helper.Merge(newConfig, node.Config)
 		newConfig.This = oldThis
 
-		helper.Log.Debug(spew.Sdump(newConfig))
+		logger.D(spew.Sdump(newConfig))
 
 		md = headerRegex.ReplaceAll(md, []byte(""))
 	} else {
@@ -154,6 +155,8 @@ func (node *TreeNode) processMarkdownWithHeader(md []byte, errorRef string) (*Pa
 
 // ProcessContent walks recursivly through the input paths and processes all files for output
 func (node *TreeNode) ProcessContent() {
+	progress.DescribeCurrent("content dir", "processing "+node.InputPath)
+
 	helper.CreateDirectory(node.OutputPath)
 
 	if node.root != node {
@@ -183,27 +186,24 @@ func (node *TreeNode) ProcessContent() {
 			}
 			if ignoreRegex != nil && *ignoreRegex != "" {
 				regex, err := regexp.Compile(*ignoreRegex)
-				if err != nil {
-					helper.Log.Panicf("could not compile filename.ignore regexp '%s' for file '%s': %s", *ignoreRegex, inFile, err)
-				}
+				logger.Eexit(err, "could not compile filename.ignore regexp '%s' for file '%s'", *ignoreRegex, inFile)
 				ignoreFile = regex.MatchString(file)
 			}
 		}
 
 		if ignoreFile {
-			helper.Log.Infof("ignoring file '%s', because of filename.ignore", inFile)
+			logger.I("ignoring file '%s', because of filename.ignore", inFile)
 		} else {
 			var input []byte
 
 			if file != "" {
-				helper.Log.Debugf("reading file: %s", inFile)
+				logger.D("reading file: %s", inFile)
 
 				var err error
 				input, err = ioutil.ReadFile(inFile)
-				if err != nil {
-					helper.Log.Panicf("could not read '%s':%s", inFile, err)
-				}
-				helper.Log.Infof("processing input file '%s'", inFile)
+				logger.Eexit(err, "could not read '%s'", inFile)
+
+				logger.I("processing input file '%s'", inFile)
 			} else {
 				// use input string if available and input filename == ""
 				var inputString *string
@@ -211,7 +211,7 @@ func (node *TreeNode) ProcessContent() {
 					inputString = i.InputString
 				}
 				if inputString != nil {
-					helper.Log.Debugf("using input string instead of file")
+					logger.D("using input string instead of file")
 					input = []byte(*inputString)
 				}
 			}
@@ -243,9 +243,8 @@ func (node *TreeNode) ProcessContent() {
 			} else {
 				if stripRegex != nil && *stripRegex != "" {
 					regex, err := regexp.Compile(*stripRegex)
-					if err != nil {
-						helper.Log.Panicf("could not compile filename.strip regexp '%s' for file '%s': %s", *stripRegex, inFile, err)
-					}
+					logger.Eexit(err, "could not compile filename.strip regexp '%s' for file '%s'", *stripRegex, inFile)
+
 					outputFilename = regex.ReplaceAllString(outputFilename, "$1")
 				}
 				if outputExt != nil && *outputExt != "" {
@@ -254,21 +253,17 @@ func (node *TreeNode) ProcessContent() {
 			}
 
 			outFile := node.OutputPath + "/" + outputFilename
-			helper.Log.Debugf("using '%s' as output file", outFile)
-			helper.Log.Debugf("rendering template '%s' for '%s'", *newConfig.Template, outFile)
+			logger.D("using '%s' as output file", outFile)
+			logger.D("rendering template '%s' for '%s'", *newConfig.Template, outFile)
 			templateFilename := *newConfig.Template
 			result, err := renderTemplate(*newConfig.Template, node, newConfig, ctx)
-			if err != nil {
-				helper.Log.Panicf("could not execute template '%s' for input file '%s': %s", templateFilename, inFile, err)
-			}
+			logger.Eexit(err, "could not execute template '%s' for input file '%s': %s", templateFilename, inFile)
 
 			result = node.fixAssetsPath(result)
 
-			helper.Log.Noticef("writing to output file: %s", outFile)
+			logger.N("writing to output file: %s", outFile)
 			err = ioutil.WriteFile(outFile, []byte(result), 0644)
-			if err != nil {
-				helper.Log.Panicf("could not write to output file '%s': %s", outFile, err)
-			}
+			logger.Eexit(err, "could not write to output file '%s'", outFile)
 
 			handleCompression(outFile, []byte(result))
 
@@ -282,16 +277,16 @@ func (node *TreeNode) ProcessContent() {
 		case "copy":
 			from := node.InputPath + "/" + file
 			to := node.OutputPath + "/" + file
-			helper.Log.Noticef("copying file from '%s' to '%s'", from, to)
+			logger.N("copying file from '%s' to '%s'", from, to)
 			err := cpy.Copy(from, to)
-			if err != nil {
-				helper.Log.Panicf("could not copy file from '%s' to '%s': %s", from, to, err)
-			}
+			logger.Eexit(err, "could not copy file from '%s' to '%s': %s", from, to)
 
 			handleCompression(to, nil)
 		}
 	}
 
+	progress.IncrDone("content dir")
+
 	i := 0
 	// sub can dynamically increase, so no for range
 	for i < len(node.Sub) {

pkg/mark2web/context.go

@@ -9,9 +9,11 @@ import (
 	"time"
 
 	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
+	"gitbase.de/apairon/mark2web/pkg/progress"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/extemporalgenome/slug"
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 	"gopkg.in/yaml.v2"
 )
 
@@ -41,36 +43,33 @@ func (node *TreeNode) fillConfig(inBase, outBase, subDir string, conf *PathConfi
 		inPath += "/" + subDir
 	}
 
-	helper.Log.Infof("reading input directory: %s", inPath)
+	logger.I("reading input directory: %s", inPath)
 
 	node.InputPath = inPath
 
 	// read config
 	newConfig := new(PathConfig)
-	helper.Log.Debug("looking for config.yml ...")
+	logger.D("looking for config.yml ...")
 	configFile := inPath + "/config.yml"
 	if _, err := os.Stat(configFile); os.IsNotExist(err) {
-		helper.Log.Debug("no config.yml found in this directory, using upper configs")
+		logger.D("no config.yml found in this directory, using upper configs")
 		helper.Merge(newConfig, conf)
 		// remove this
 		newConfig.This = ThisPathConfig{}
 	} else {
-		helper.Log.Debug("reading config...")
+		logger.D("reading config...")
 		data, err := ioutil.ReadFile(configFile)
-		if err != nil {
-			helper.Log.Panicf("could not read file '%s': %s", configFile, err)
-		}
-		err = yaml.Unmarshal(data, newConfig)
-		if err != nil {
-			helper.Log.Panicf("could not parse YAML file '%s': %s", configFile, err)
-		}
+		logger.Eexit(err, "could not read file '%s'", configFile)
 
-		helper.Log.Debug("merging config with upper config")
+		err = yaml.Unmarshal(data, newConfig)
+		logger.Eexit(err, "could not parse YAML file '%s'", configFile)
+
+		logger.D("merging config with upper config")
 		oldThis := newConfig.This
 		helper.Merge(newConfig, conf)
 		newConfig.This = oldThis
 
-		helper.Log.Debug(spew.Sdump(newConfig))
+		logger.D(spew.Sdump(newConfig))
 	}
 
 	node.Config = newConfig
@@ -83,7 +82,7 @@ func (node *TreeNode) fillConfig(inBase, outBase, subDir string, conf *PathConfi
 	}
 	if regexStr != nil && *regexStr != "" {
 		if regex, err := regexp.Compile(*regexStr); err != nil {
-			helper.Log.Panicf("error compiling path.strip regex '%s' from '%s': %s", *regexStr, inBase+"/"+subDir, err)
+			logger.Eexit(err, "error compiling path.strip regex '%s' from '%s'", *regexStr, inBase+"/"+subDir)
 		} else {
 			stripedDir = regex.ReplaceAllString(stripedDir, "$1")
 		}
@@ -98,7 +97,7 @@ func (node *TreeNode) fillConfig(inBase, outBase, subDir string, conf *PathConfi
 	outPath := outBase + "/" + stripedDir
 	outPath = path.Clean(outPath)
 
-	helper.Log.Infof("calculated output directory: %s", outPath)
+	logger.I("calculated output directory: %s", outPath)
 	node.OutputPath = outPath
 
 	// handle collections
@@ -106,15 +105,13 @@ func (node *TreeNode) fillConfig(inBase, outBase, subDir string, conf *PathConfi
 }
 
 func (node *TreeNode) addSubNode(tplFilename, subDir string, navname string, ctx interface{}, dataMapKey string, body string, hideInNav bool) {
+	progress.IncrTotal("content dir")
+	progress.DescribeCurrent("content dir", "subdir "+node.InputPath+"/"+subDir)
+
 	newNode := new(TreeNode)
 	newNode.root = node.root
 
 	newPathConfig := new(PathConfig)
-	if navname != "" {
-		newPathConfig.This = ThisPathConfig{
-			Navname: &navname,
-		}
-	}
 	if dataMapKey != "" {
 		if newPathConfig.Data == nil {
 			newPathConfig.Data = make(helper.MapString)
@@ -128,9 +125,8 @@ func (node *TreeNode) addSubNode(tplFilename, subDir string, navname string, ctx
 
 	mergedConfig := new(PathConfig)
 	err := helper.Merge(mergedConfig, node.Config)
-	if err != nil {
-		helper.Log.Panicf("merge of path config failed: %s", err)
-	}
+	logger.Eexit(err, "merge of path config failed")
+
 	// dont merge Data[DataKey]
 	if dataMapKey != "" {
 		mergedConfig.Data[dataMapKey] = nil
@@ -138,9 +134,7 @@ func (node *TreeNode) addSubNode(tplFilename, subDir string, navname string, ctx
 		mergedConfig.Data = make(helper.MapString)
 	}
 	err = helper.Merge(mergedConfig, newPathConfig)
-	if err != nil {
-		helper.Log.Panicf("merge of path config failed: %s", err)
-	}
+	logger.Eexit(err, "merge of path config failed")
 
 	newNode.fillConfig(
 		node.InputPath,
@@ -148,6 +142,10 @@ func (node *TreeNode) addSubNode(tplFilename, subDir string, navname string, ctx
 		subDir,
 		mergedConfig,
 	)
+	if navname != "" {
+		// set after fillConfig, because it is ignored in fillConfig
+		newNode.Config.This.Navname = &navname
+	}
 
 	// fake via normal file behavior
 	newNode.Config.Template = &tplFilename

pkg/mark2web/context_fn.go

@@ -1,14 +1,14 @@
 package mark2web
 
 import (
-	"gitbase.de/apairon/mark2web/pkg/helper"
-	"github.com/flosch/pongo2"
+	"gitbase.de/apairon/mark2web/pkg/webrequest"
+	"github.com/flosch/pongo2/v4"
 )
 
 // RequestFn will make a web request and returns map[string]interface form pongo2
 func RequestFn(url *pongo2.Value, args ...*pongo2.Value) *pongo2.Value {
 	u := url.String()
-	return pongo2.AsValue(helper.JSONWebRequest(u))
+	return pongo2.AsValue(webrequest.GetJSON(u))
 }
 
 // RenderFn renders a pongo2 template with additional context

pkg/mark2web/htaccess.go

@@ -5,20 +5,18 @@ import (
 	"regexp"
 	"strings"
 
-	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 )
 
 func htaccessRedirect(outDir, goTo string) {
 	switch Config.Webserver.Type {
 	case "apache":
 		htaccessFile := outDir + "/.htaccess"
-		helper.Log.Noticef("writing '%s' with redirect to: %s", htaccessFile, goTo)
+		logger.N("writing '%s' with redirect to: %s", htaccessFile, goTo)
 		err := ioutil.WriteFile(htaccessFile, []byte(`RewriteEngine on
 RewriteRule ^$ %{REQUEST_URI}`+goTo+`/ [R,L]
 `), 0644)
-		if err != nil {
-			helper.Log.Panicf("could not write '%s': %s", htaccessFile, err)
-		}
+		logger.Eexit(err, "could not write '%s'", htaccessFile)
 	}
 }
 
@@ -90,11 +88,9 @@ RemoveLanguage .br
 
 		if configStr != "" {
 			htaccessFile := Config.Directories.Output + "/.htaccess"
-			helper.Log.Noticef("writing webserver config to: %s", htaccessFile)
+			logger.N("writing webserver config to: %s", htaccessFile)
 			err := ioutil.WriteFile(htaccessFile, []byte(configStr), 0644)
-			if err != nil {
-				helper.Log.Panicf("could not write '%s': %s", htaccessFile, err)
-			}
+			logger.Eexit(err, "could not write '%s'", htaccessFile)
 		}
 	}
 }

pkg/mark2web/navigation.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
 )
 
 // NavElement is one element with ist attributes and subs
@@ -41,11 +42,10 @@ func buildNavigationRecursive(tree *TreeNode, curNavMap *map[string]*NavElement,
 		}
 		if ignNav != nil && *ignNav != "" {
 			regex, err := regexp.Compile(*ignNav)
-			if err != nil {
-				helper.Log.Panicf("could not compile IngoreForNav regexp '%s' in '%s': %s", *ignNav, el.InputPath, err)
-			}
+			logger.Eexit(err, "could not compile IngoreForNav regexp '%s' in '%s'", *ignNav, el.InputPath)
+
 			if regex.MatchString(path.Base(el.InputPath)) {
-				helper.Log.Debugf("ignoring input directory '%s' in navigation", el.InputPath)
+				logger.D("ignoring input directory '%s' in navigation", el.InputPath)
 				continue
 			}
 		}
@@ -55,7 +55,7 @@ func buildNavigationRecursive(tree *TreeNode, curNavMap *map[string]*NavElement,
 		subMap := make(map[string]*NavElement)
 		subSlice := make([]*NavElement, 0)
 		navEl := NavElement{
-			Active:   strings.HasPrefix(activeNav, elPath),
+			Active:   strings.HasPrefix(activeNav, elPath+"/") || activeNav == elPath,
 			Data:     el.Config.Data,
 			ColMap:   el.ColMap,
 			SubMap:   &subMap,

pkg/mark2web/no_cgo.go

@@ -1,14 +0,0 @@
-// +build !cgo
-
-package mark2web
-
-import "gitbase.de/apairon/mark2web/pkg/helper"
-
-var brotliSupported = false
-
-func init() {
-	helper.Log.Warning("cgo is disabled, so brotli compression is not supported")
-}
-
-func handleBrotliCompression(filename string, content []byte) {
-}

pkg/mark2web/render.go

@@ -3,7 +3,7 @@ package mark2web
 import (
 	"log"
 
-	"github.com/flosch/pongo2"
+	"github.com/flosch/pongo2/v4"
 )
 
 var templateCache = make(map[string]*pongo2.Template)

pkg/mark2web/run.go

@@ -1,5 +1,7 @@
 package mark2web
 
+import "gitbase.de/apairon/mark2web/pkg/jobm"
+
 // Run will do a complete run of mark2web
 func Run(inDir, outDir string, defaultPathConfig *PathConfig) {
 	SetTemplateDir(inDir + "/templates")
@@ -12,5 +14,5 @@ func Run(inDir, outDir string, defaultPathConfig *PathConfig) {
 
 	tree.WriteWebserverConfig()
 
-	Wait()
+	jobm.Wait()
 }

pkg/mark2web/wait.go

@@ -1,60 +0,0 @@
-package mark2web
-
-import (
-	"runtime"
-	"sync"
-
-	"gitbase.de/apairon/mark2web/pkg/helper"
-)
-
-var wg sync.WaitGroup
-var numCPU = runtime.NumCPU()
-var curNumThreads = 1 // main thread is 1
-
-func init() {
-	helper.Log.Infof("number of CPU core: %d", numCPU)
-}
-
-// Wait will wait for all our internal go threads
-func Wait() {
-	wg.Wait()
-}
-
-// ThreadSetup adds 1 to wait group
-func ThreadSetup() {
-	curNumThreads++
-	wg.Add(1)
-}
-
-// ThreadDone removes 1 from wait group
-func ThreadDone() {
-	curNumThreads--
-	wg.Done()
-}
-
-// ThreadStart will start a thread an manages the wait group
-func ThreadStart(f func(), forceNewThread ...bool) {
-	force := false
-	if len(forceNewThread) > 0 && forceNewThread[0] {
-		force = true
-	}
-
-	if numCPU > curNumThreads || force {
-		// only new thread if empty CPU core available or forced
-		threadF := func() {
-			f()
-			ThreadDone()
-		}
-
-		ThreadSetup()
-		go threadF()
-	} else {
-		helper.Log.Debugf("no more CPU core (%d used), staying in main thread", curNumThreads)
-		f()
-	}
-}
-
-// SetNumCPU is for testing package without threading
-func SetNumCPU(i int) {
-	numCPU = i
-}

pkg/progress/bar.go

@@ -0,0 +1,96 @@
+package progress
+
+import (
+	"fmt"
+	"time"
+
+	"gitbase.de/apairon/mark2web/pkg/helper"
+	"gitbase.de/apairon/mark2web/pkg/logger"
+	"github.com/gosuri/uiprogress"
+	"github.com/mattn/go-tty"
+)
+
+type bar struct {
+	Bar         *uiprogress.Bar
+	Description string
+}
+
+var bars = make(map[string]*bar)
+var initialized = false
+var terminalWidth = 80
+
+// OverallTotal is number of total jobs
+var OverallTotal = 0
+
+// OverallDone is number of done jobs
+var OverallDone = 0
+
+func init() {
+	updateLoggerPrefix()
+}
+
+// Start initializes the bar drawing
+func Start() {
+	if t, err := tty.Open(); err == nil && t != nil {
+		terminalWidth, _, _ = t.Size()
+		t.Close()
+	}
+	uiprogress.Start() // start rendering
+	initialized = true
+}
+
+func updateLoggerPrefix() {
+	logger.Prefix = fmt.Sprintf("%3d/%3d: ", OverallDone, OverallTotal)
+}
+
+// IncrTotal increases the total jobs for the bar
+func IncrTotal(barname string) {
+	OverallTotal++
+	updateLoggerPrefix()
+
+	if initialized {
+		_bar := bars[barname]
+		if _bar == nil {
+			_bar = new(bar)
+			_bar.Bar = uiprogress.AddBar(1)
+			_bar.Bar.Width = 25
+
+			_bar.Bar.PrependFunc(func(b *uiprogress.Bar) string {
+				return fmt.Sprintf("%15s: %3d/%3d", helper.ShortenStringLeft(barname, 15), b.Current(), b.Total)
+			})
+			_bar.Bar.AppendFunc(func(b *uiprogress.Bar) string {
+				return fmt.Sprintf("%s", helper.ShortenStringLeft(_bar.Description, terminalWidth-80))
+			})
+
+			bars[barname] = _bar
+		} else {
+			_bar.Bar.Total++
+		}
+	}
+}
+
+// IncrDone increases to done jobs counter
+func IncrDone(barname string) {
+	OverallDone++
+	updateLoggerPrefix()
+
+	if initialized {
+		bars[barname].Bar.Incr()
+		bars[barname].Description = ""
+	}
+}
+
+// DescribeCurrent describes the current job
+func DescribeCurrent(barname, description string) {
+	if initialized {
+		bars[barname].Description = description
+	}
+}
+
+// Stop stops the bar drawing
+func Stop() {
+	if initialized {
+		time.Sleep(time.Millisecond * 200)
+		uiprogress.Stop()
+	}
+}

pkg/webrequest/request.go

@@ -0,0 +1,109 @@
+package webrequest
+
+import (
+	"encoding/json"
+	"fmt"
+	"image"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"gitbase.de/apairon/mark2web/pkg/progress"
+
+	"gitbase.de/apairon/mark2web/pkg/logger"
+)
+
+type wrImageEntry struct {
+	img    image.Image
+	format string
+}
+
+type wrJSONEntry struct {
+	data interface{}
+}
+
+var wrImageCache = make(map[string]*wrImageEntry)
+var wrJSONCache = make(map[string]*wrJSONEntry)
+
+// Get will fetch an url and returns reponse
+func Get(url string, opts interface{}) (resp *http.Response, err error) {
+	logger.N("requesting url via GET %s", url)
+
+	progress.IncrTotal("web request")
+	progress.DescribeCurrent("web request", url)
+	resp, err = http.Get(url)
+	progress.IncrDone("web request")
+	return resp, err
+}
+
+// GetJSON will GET a json object/array from a given URL
+func GetJSON(url string) interface{} {
+	cached := wrJSONCache[url]
+	if cached == nil {
+		resp, err := Get(url, nil)
+		logger.Eexit(err, "could not get url '%s'", url)
+		defer resp.Body.Close()
+
+		body, err := ioutil.ReadAll(resp.Body)
+		logger.Eexit(err, "could not read body from url '%s'", url)
+
+		logger.D("output from url '%s':\n%s", url, string(body))
+
+		if resp.StatusCode >= 400 {
+			logger.Exit("bad status '%d - %s' from url '%s'", resp.StatusCode, resp.Status, url)
+		}
+
+		contentType := resp.Header.Get("Content-Type")
+
+		if strings.Contains(contentType, "json") {
+
+		} else {
+			logger.Exit("is not json '%s' from url '%s'", contentType, url)
+		}
+
+		cached = new(wrJSONEntry)
+
+		jsonMap := make(map[string]interface{})
+		err = json.Unmarshal(body, &jsonMap)
+		if err == nil {
+			cached.data = jsonMap
+		} else {
+			jsonArrayMap := make([]map[string]interface{}, 0)
+			err = json.Unmarshal(body, &jsonArrayMap)
+			if err == nil {
+				cached.data = jsonArrayMap
+			} else {
+				logger.Exit("could not read json from '%s': invalid type", url)
+			}
+		}
+
+		wrJSONCache[url] = cached
+
+	}
+	return cached.data
+}
+
+// GetImage gets an image from an url
+func GetImage(url string) (image.Image, string, error) {
+	cached := wrImageCache[url]
+	if cached == nil {
+		resp, err := Get(url, nil)
+		if err != nil {
+			return nil, "", fmt.Errorf("could not get url '%s': %s", url, err)
+		}
+
+		img, format, err := image.Decode(resp.Body)
+		if err != nil {
+			return nil, "", fmt.Errorf("could read body from url '%s': %s", url, err)
+		}
+
+		cached = &wrImageEntry{
+			img:    img,
+			format: format,
+		}
+
+		wrImageCache[url] = cached
+	}
+
+	return cached.img, cached.format, nil
+}

tmp/build-errors.log

@@ -0,0 +1 @@
+exit status 1exit status 1exit status 1

vendor/github.com/Depado/bfchroma

@@ -1 +0,0 @@
-Subproject commit ab17b511206de6d3592668ad718840a1e8f8283a

vendor/github.com/Depado/bfchroma/.drone.yml

@@ -0,0 +1,51 @@
+---
+kind: pipeline
+name: default
+type: docker
+
+steps:
+- name: test
+  image: golang:1.13.1
+  volumes:
+  - name: deps
+    path: /go
+  commands:
+  - go test -race -coverprofile=coverage.txt -covermode=atomic
+
+- name: linter
+  image: golang:1.13.1
+  volumes:
+  - name: deps
+    path: /go
+  commands:
+    - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s v1.20.0
+    - ./bin/golangci-lint run
+
+- name: coverage
+  image: plugins/codecov
+  settings:
+    token:
+      from_secret: codecov_token
+    files:
+     - coverage.txt
+
+- name: telegram
+  image: appleboy/drone-telegram
+  settings:
+    to: 790376882
+    format: markdown
+    token:
+      from_secret: telegram_token
+    message: >
+      *{{repo.name}}*  
+      [Build {{build.number}}]({{build.link}}) by {{commit.author}} {{#success build.status}}succeeded{{else}}failed{{/success}} in {{buildtime build.started}}  
+      `{{truncate commit.sha 8}}`: "{{commit.message}}"
+  when:
+    status:
+    - success
+    - failure
+
+volumes:
+- name: deps
+  host:
+    path: /var/lib/cache/godeps/

vendor/github.com/Depado/bfchroma/.gitignore

@@ -0,0 +1,17 @@
+# Binaries for programs and plugins
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+.glide/
+vendor/
+coverage.txt
+

vendor/github.com/Depado/bfchroma/.golangci.yml

@@ -0,0 +1,16 @@
+run:
+  timeout: 5m
+
+linters:
+  enable:
+    - megacheck
+    - govet
+  disable:
+    - errcheck
+    - maligned
+    - prealloc
+  disable-all: false
+  presets:
+    - bugs
+    - unused
+  fast: false

vendor/github.com/Depado/bfchroma/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/Depado/bfchroma/README.md

@@ -0,0 +1,209 @@
+# bfchroma
+
+[![forthebadge](https://forthebadge.com/images/badges/made-with-go.svg)](https://forthebadge.com)[![forthebadge](https://forthebadge.com/images/badges/built-with-love.svg)](https://forthebadge.com)
+
+![Go Version](https://img.shields.io/badge/go-1.13-brightgreen.svg)
+[![Go Report Card](https://goreportcard.com/badge/github.com/Depado/bfchroma)](https://goreportcard.com/report/github.com/Depado/bfchroma)
+[![Build Status](https://drone.depado.eu/api/badges/Depado/bfchroma/status.svg)](https://drone.depado.eu/Depado/bfchroma)
+[![codecov](https://codecov.io/gh/Depado/bfchroma/branch/master/graph/badge.svg)](https://codecov.io/gh/Depado/bfchroma)
+[![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/Depado/bfchroma/blob/master/LICENSE)
+[![Godoc](https://godoc.org/github.com/Depado/bfchroma?status.svg)](https://godoc.org/github.com/Depado/bfchroma)
+[![Sourcegraph](https://sourcegraph.com/github.com/Depado/bfchroma/-/badge.svg)](https://sourcegraph.com/github.com/Depado/bfchroma?badge)
+[![Say Thanks!](https://img.shields.io/badge/Say%20Thanks-!-1EAEDB.svg)](https://saythanks.io/to/Depado)
+
+
+Integrating [Chroma](https://github.com/alecthomas/chroma) syntax highlighter as
+a [Blackfriday](https://github.com/russross/blackfriday) renderer.
+
+## Install and prerequisites
+
+This project requires and uses the `v2` version of 
+[Blackfriday](https://github.com/russross/blackfriday/tree/v2).
+
+```
+$ go get -u github.com/Depado/bfchroma
+```
+
+_This project uses the module approach of go 1.11_ 
+
+## Features
+
+This renderer integrates chroma to highlight code with triple backtick notation.
+It will try to use the given language when available otherwise it will try to
+detect the language. If none of these two method works it will fallback to sane
+defaults.
+
+## Usage
+
+bfchroma uses the functional options approach so you can customize the behavior
+of the renderer. It uses sane defaults when no option is passed so you can use
+the renderer simply by doing so :
+
+```go
+html := bf.Run([]byte(md), bf.WithRenderer(bfchroma.NewRenderer()))
+```
+
+### Options
+
+- `Style(s string)`  
+Define the style used by chroma for the rendering. The full list can be found [here](https://github.com/alecthomas/chroma/tree/master/styles)
+- `ChromaStyle(*chroma.Style)`  
+This option can be used to passe directly a `*chroma.Style` instead of the 
+string representing the style as with the `Style(string)` option. 
+- `WithoutAutodetect()`  
+By default when no language information is written in the code block, this 
+renderer will try to auto-detect the used language. This option disables
+this behavior and will fallback to a sane default when no language
+information is available.
+- `EmbedCSS()` 
+This option will embed CSS needed for chroma's `html.WithClasses()` at the beginning of blackfriday document. 
+CSS can also be extracted separately by calling `Renderer`'s.`ChromaCSS(w)` method, which will return styleshet for currently set style 
+- `Extend(bf.Renderer)`  
+This option allows to define the base blackfriday that will be extended.
+- `ChromaOptions(...html.Option)`  
+This option allows you to pass Chroma's html options in the renderer. Such
+options can be found [here](https://github.com/alecthomas/chroma#the-html-formatter).
+
+### Option examples
+
+Disabling language auto-detection and displaying line numbers
+
+```go
+r := bfchroma.NewRenderer(
+	bfchroma.WithoutAutodetect(),
+	bfchroma.ChromaOptions(html.WithLineNumbers()),
+)
+```
+
+Extend a blackfriday renderer
+
+```go
+b := bf.NewHTMLRenderer(bf.HTMLRendererParameters{
+	Flags: bf.CommonHTMLFlags,
+})
+
+r := bfchroma.NewRenderer(bfchroma.Extend(b))
+```
+
+Use a different style
+
+```go
+r := bfchroma.NewRenderer(bfchroma.Style("dracula"))
+// Or
+r = bfchroma.NewRenderer(bfchroma.ChromaStyle(styles.Dracula))
+```
+
+
+
+## Examples
+
+```go
+package main
+
+import (
+	"fmt"
+
+	"github.com/Depado/bfchroma"
+
+	bf "github.com/russross/blackfriday/v2"
+)
+
+var md = "This is some sample code.\n\n```go\n" +
+	`func main() {
+	fmt.Println("Hi")
+}
+` + "```"
+
+func main() {
+	html := bf.Run([]byte(md), bf.WithRenderer(bfchroma.NewRenderer()))
+	fmt.Println(string(html))
+}
+```
+
+
+Will output :
+
+```html
+<p>This is some sample code.</p>
+<pre style="color:#f8f8f2;background-color:#272822"><span style="color:#66d9ef">func</span> <span style="color:#a6e22e">main</span>() {
+<span style="color:#a6e22e">fmt</span>.<span style="color:#a6e22e">Println</span>(<span style="color:#e6db74">&#34;Hi&#34;</span>)
+}
+</pre>
+```
+
+## Real-life example
+
+In [smallblog](https://github.com/Depado/smallblog) I'm using bfchroma to render
+my articles. It's using a combination of both bfchroma's options and blackfriday
+extensions and flags.
+
+```go
+package main
+
+import (
+	"github.com/Depado/bfchroma"
+	"github.com/alecthomas/chroma/formatters/html"
+	bf "github.com/russross/blackfriday/v2"
+)
+
+// Defines the extensions that are used
+var exts = bf.NoIntraEmphasis | bf.Tables | bf.FencedCode | bf.Autolink |
+	bf.Strikethrough | bf.SpaceHeadings | bf.BackslashLineBreak |
+	bf.DefinitionLists | bf.Footnotes
+
+// Defines the HTML rendering flags that are used
+var flags = bf.UseXHTML | bf.Smartypants | bf.SmartypantsFractions |
+	bf.SmartypantsDashes | bf.SmartypantsLatexDashes | bf.TOC
+
+// render will take a []byte input and will render it using a new renderer each
+// time because reusing the same can mess with TOC and header IDs
+func render(input []byte) []byte {
+	return bf.Run(
+		input,
+		bf.WithRenderer(
+			bfchroma.NewRenderer(
+				bfchroma.WithoutAutodetect(),
+				bfchroma.ChromaOptions(
+					html.WithLineNumbers(),
+				),
+				bfchroma.Extend(
+					bf.NewHTMLRenderer(bf.HTMLRendererParameters{
+						Flags: flags,
+					}),
+				),
+			),
+		),
+		bf.WithExtensions(exts),
+	)
+}
+```
+
+## Classes
+
+If you have loads of code in your markdown, you might want to consider using
+`html.WithClasses()` in your `bfchroma.ChromaOptions()`. The CSS of the style
+you chose can then be accessed like this :
+
+```go
+r := bfchroma.NewRenderer(
+	bfchroma.WithoutAutodetect(),
+	bfchroma.Extend(
+		bf.NewHTMLRenderer(bf.HTMLRendererParameters{Flags: flags}),
+	),
+	bfchroma.Style("monokai"),
+	bfchroma.ChromaOptions(html.WithClasses()),
+)
+
+var css template.CSS
+
+b := new(bytes.Buffer)
+if err := r.ChromaCSS(b); err != nil {
+	logrus.WithError(err).Warning("Couldn't write CSS")
+}
+css = template.CSS(b.String())
+
+bf.Run(input, bf.WithRenderer(r), bf.WithExtensions(exts))
+```
+
+This way, you can pass your `css` var to any template and render it along the
+rendered markdown.

vendor/github.com/Depado/bfchroma/go.mod

@@ -0,0 +1,11 @@
+module github.com/Depado/bfchroma
+
+go 1.14
+
+require (
+	github.com/alecthomas/chroma v0.7.3
+	github.com/alecthomas/repr v0.0.0-20200325044227-4184120f674c // indirect
+	github.com/russross/blackfriday/v2 v2.0.1
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/stretchr/testify v1.6.1
+)

vendor/github.com/Depado/bfchroma/go.sum

@@ -0,0 +1,46 @@
+github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38 h1:smF2tmSOzy2Mm+0dGI2AIUHY+w0BUc+4tn40djz7+6U=
+github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38/go.mod h1:r7bzyVFMNntcxPZXK3/+KdruV1H5KSlyVY0gc+NgInI=
+github.com/alecthomas/chroma v0.7.3 h1:NfdAERMy+esYQs8OXk0I868/qDxxCEo7FMz1WIqMAeI=
+github.com/alecthomas/chroma v0.7.3/go.mod h1:sko8vR34/90zvl5QdcUdvzL3J8NKjAUx9va9jPuFNoM=
+github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721 h1:JHZL0hZKJ1VENNfmXvHbgYlbUOvpzYzvy2aZU5gXVeo=
+github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721/go.mod h1:QO9JBoKquHd+jz9nshCh40fOfO+JzsoXy8qTHF68zU0=
+github.com/alecthomas/kong v0.2.4/go.mod h1:kQOmtJgV+Lb4aj+I2LEn40cbtawdWJ9Y8QLq+lElKxE=
+github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
+github.com/alecthomas/repr v0.0.0-20200325044227-4184120f674c h1:MVVbswUlqicyj8P/JljoocA7AyCo62gzD0O7jfvrhtE=
+github.com/alecthomas/repr v0.0.0-20200325044227-4184120f674c/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
+github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5EPKqaS1UYVg1uYah5Xf51mBfIoWehClUQ=
+github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9hchkHSWYkEqJwUGisez3G1QY8Ryz0sdWrLPMGjLk=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dlclark/regexp2 v1.2.0 h1:8sAhBGEM0dRWogWqWyQeIJnxjWO6oIjl8FKqREDsGfk=
+github.com/dlclark/regexp2 v1.2.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
+github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
+github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200413165638-669c56c373c4 h1:opSr2sbRXk5X5/givKrrKj9HXxFpW2sdCiP8MJSKLQY=
+golang.org/x/sys v0.0.0-20200413165638-669c56c373c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

vendor/github.com/Depado/bfchroma/renderer.go

@@ -0,0 +1,147 @@
+// Package bfchroma provides an easy and extensible blackfriday renderer that
+// uses the chroma syntax highlighter to render code blocks.
+package bfchroma
+
+import (
+	"io"
+
+	"github.com/alecthomas/chroma"
+	"github.com/alecthomas/chroma/formatters/html"
+	"github.com/alecthomas/chroma/lexers"
+	"github.com/alecthomas/chroma/styles"
+	bf "github.com/russross/blackfriday/v2"
+)
+
+// Option defines the functional option type
+type Option func(r *Renderer)
+
+// Style is a function option allowing to set the style used by chroma
+// Default : "monokai"
+func Style(s string) Option {
+	return func(r *Renderer) {
+		r.Style = styles.Get(s)
+	}
+}
+
+// ChromaStyle is an option to directly set the style of the renderer using a
+// chroma style instead of a string
+func ChromaStyle(s *chroma.Style) Option {
+	return func(r *Renderer) {
+		r.Style = s
+	}
+}
+
+// WithoutAutodetect disables chroma's language detection when no codeblock
+// extra information is given. It will fallback to a sane default instead of
+// trying to detect the language.
+func WithoutAutodetect() Option {
+	return func(r *Renderer) {
+		r.Autodetect = false
+	}
+}
+
+// EmbedCSS will embed CSS needed for html.WithClasses() in beginning of the document
+func EmbedCSS() Option {
+	return func(r *Renderer) {
+		r.embedCSS = true
+	}
+}
+
+// ChromaOptions allows to pass Chroma html.Option such as Standalone()
+// WithClasses(), ClassPrefix(prefix)...
+func ChromaOptions(options ...html.Option) Option {
+	return func(r *Renderer) {
+		r.ChromaOptions = options
+	}
+}
+
+// Extend allows to specify the blackfriday renderer which is extended
+func Extend(br bf.Renderer) Option {
+	return func(r *Renderer) {
+		r.Base = br
+	}
+}
+
+// NewRenderer will return a new bfchroma renderer with sane defaults
+func NewRenderer(options ...Option) *Renderer {
+	r := &Renderer{
+		Base: bf.NewHTMLRenderer(bf.HTMLRendererParameters{
+			Flags: bf.CommonHTMLFlags,
+		}),
+		Style:      styles.Monokai,
+		Autodetect: true,
+	}
+	for _, option := range options {
+		option(r)
+	}
+	r.Formatter = html.New(r.ChromaOptions...)
+	return r
+}
+
+// RenderWithChroma will render the given text to the w io.Writer
+func (r *Renderer) RenderWithChroma(w io.Writer, text []byte, data bf.CodeBlockData) error {
+	var lexer chroma.Lexer
+
+	// Determining the lexer to use
+	if len(data.Info) > 0 {
+		lexer = lexers.Get(string(data.Info))
+	} else if r.Autodetect {
+		lexer = lexers.Analyse(string(text))
+	}
+	if lexer == nil {
+		lexer = lexers.Fallback
+	}
+
+	// Tokenize the code
+	iterator, err := lexer.Tokenise(nil, string(text))
+	if err != nil {
+		return err
+	}
+	return r.Formatter.Format(w, r.Style, iterator)
+}
+
+// Renderer is a custom Blackfriday renderer that uses the capabilities of
+// chroma to highlight code with triple backtick notation
+type Renderer struct {
+	Base          bf.Renderer
+	Autodetect    bool
+	ChromaOptions []html.Option
+	Style         *chroma.Style
+	Formatter     *html.Formatter
+	embedCSS bool
+}
+
+// RenderNode satisfies the Renderer interface
+func (r *Renderer) RenderNode(w io.Writer, node *bf.Node, entering bool) bf.WalkStatus {
+	switch node.Type {
+	case bf.Document:
+		if entering && r.embedCSS {
+			w.Write([]byte("<style>"))
+			r.Formatter.WriteCSS(w, r.Style)
+			w.Write([]byte("</style>"))
+		}
+		return r.Base.RenderNode(w, node, entering)
+	case bf.CodeBlock:
+		if err := r.RenderWithChroma(w, node.Literal, node.CodeBlockData); err != nil {
+			return r.Base.RenderNode(w, node, entering)
+		}
+		return bf.SkipChildren
+	default:
+		return r.Base.RenderNode(w, node, entering)
+	}
+}
+
+// RenderHeader satisfies the Renderer interface
+func (r *Renderer) RenderHeader(w io.Writer, ast *bf.Node) {
+	r.Base.RenderHeader(w, ast)
+}
+
+// RenderFooter satisfies the Renderer interface
+func (r *Renderer) RenderFooter(w io.Writer, ast *bf.Node) {
+	r.Base.RenderFooter(w, ast)
+}
+
+// ChromaCSS returns CSS used with chroma's html.WithClasses() option
+func (r *Renderer) ChromaCSS(w io.Writer) error {
+	return r.Formatter.WriteCSS(w, r.Style)
+}

vendor/github.com/alecthomas/chroma

@@ -1 +0,0 @@
-Subproject commit b5ccb8dc322b914484924caf4463d601a64382f7

vendor/github.com/alecthomas/chroma/.gitignore

@@ -0,0 +1,19 @@
+# Binaries for programs and plugins
+*.exe
+*.dll
+*.so
+*.dylib
+/cmd/chroma/chroma
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+.glide/
+
+_models/
+
+_examples/

vendor/github.com/alecthomas/chroma/.golangci.yml

@@ -0,0 +1,76 @@
+run:
+  tests: true
+  skip-dirs:
+    - _examples
+
+output:
+  print-issued-lines: false
+
+linters:
+  enable-all: true
+  disable:
+    - maligned
+    - megacheck
+    - lll
+    - gocyclo
+    - dupl
+    - gochecknoglobals
+    - funlen
+    - godox
+    - wsl
+    - gomnd
+    - gocognit
+    - goerr113
+    - nolintlint
+    - testpackage
+    - godot
+    - nestif
+    - paralleltest
+    - nlreturn
+    - cyclop
+    - exhaustivestruct
+    - gci
+    - gofumpt
+    - errorlint
+    - exhaustive
+    - ifshort
+    - wrapcheck
+    - stylecheck
+
+linters-settings:
+  govet:
+    check-shadowing: true
+  gocyclo:
+    min-complexity: 10
+  dupl:
+    threshold: 100
+  goconst:
+    min-len: 8
+    min-occurrences: 3
+  forbidigo:
+    forbid:
+      - (Must)?NewLexer
+    exclude_godoc_examples: false
+
+
+issues:
+  max-per-linter: 0
+  max-same: 0
+  exclude-use-default: false
+  exclude:
+    # Captured by errcheck.
+    - '^(G104|G204):'
+    # Very commonly not checked.
+    - 'Error return value of .(.*\.Help|.*\.MarkFlagRequired|(os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*printf?|os\.(Un)?Setenv). is not checked'
+    - 'exported method (.*\.MarshalJSON|.*\.UnmarshalJSON|.*\.EntityURN|.*\.GoString|.*\.Pos) should have comment or be unexported'
+    - 'composite literal uses unkeyed fields'
+    - 'declaration of "err" shadows declaration'
+    - 'should not use dot imports'
+    - 'Potential file inclusion via variable'
+    - 'should have comment or be unexported'
+    - 'comment on exported var .* should be of the form'
+    - 'at least one file in a package should have a package comment'
+    - 'string literal contains the Unicode'
+    - 'methods on the same type should have the same receiver name'
+    - '_TokenType_name should be _TokenTypeName'
+    - '`_TokenType_map` should be `_TokenTypeMap`'

vendor/github.com/alecthomas/chroma/.goreleaser.yml

@@ -0,0 +1,37 @@
+project_name: chroma
+release:
+  github:
+    owner: alecthomas
+    name: chroma
+brews:
+  -
+    install: bin.install "chroma"
+env:
+  - CGO_ENABLED=0
+builds:
+- goos:
+    - linux
+    - darwin
+    - windows
+  goarch:
+    - arm64
+    - amd64
+    - "386"
+  goarm:
+    - "6"
+  dir: ./cmd/chroma
+  main: .
+  ldflags: -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}}
+  binary: chroma
+archives:
+  -
+    format: tar.gz
+    name_template: '{{ .Binary }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ if .Arm }}v{{
+    .Arm }}{{ end }}'
+    files:
+      - COPYING
+      - README*
+snapshot:
+  name_template: SNAPSHOT-{{ .Commit }}
+checksum:
+  name_template: '{{ .ProjectName }}-{{ .Version }}-checksums.txt'

vendor/github.com/alecthomas/chroma/COPYING

@@ -0,0 +1,19 @@
+Copyright (C) 2017 Alec Thomas
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/alecthomas/chroma/Makefile

@@ -0,0 +1,19 @@
+.PHONY: chromad upload all
+
+VERSION ?= $(shell git describe --tags --dirty  --always)
+
+all: README.md tokentype_string.go
+
+README.md: lexers/*/*.go
+	./table.py
+
+tokentype_string.go: types.go
+	go generate
+
+chromad:
+	rm -f chromad
+	(export CGOENABLED=0 GOOS=linux GOARCH=amd64; cd ./cmd/chromad && go build -ldflags="-X 'main.version=$(VERSION)'" -o ../../chromad .)
+
+upload: chromad
+	scp chromad root@swapoff.org: && \
+		ssh root@swapoff.org 'install -m755 ./chromad /srv/http/swapoff.org/bin && service chromad restart'

vendor/github.com/alecthomas/chroma/README.md

@@ -0,0 +1,285 @@
+# Chroma — A general purpose syntax highlighter in pure Go
+[![Golang Documentation](https://godoc.org/github.com/alecthomas/chroma?status.svg)](https://godoc.org/github.com/alecthomas/chroma) [![CI](https://github.com/alecthomas/chroma/actions/workflows/ci.yml/badge.svg)](https://github.com/alecthomas/chroma/actions/workflows/ci.yml) [![Slack chat](https://img.shields.io/static/v1?logo=slack&style=flat&label=slack&color=green&message=gophers)](https://invite.slack.golangbridge.org/)
+
+> **NOTE:** As Chroma has just been released, its API is still in flux. That said, the high-level interface should not change significantly.
+
+Chroma takes source code and other structured text and converts it into syntax
+highlighted HTML, ANSI-coloured text, etc.
+
+Chroma is based heavily on [Pygments](http://pygments.org/), and includes
+translators for Pygments lexers and styles.
+
+<a id="markdown-table-of-contents" name="table-of-contents"></a>
+## Table of Contents
+
+<!-- TOC -->
+
+1. [Table of Contents](#table-of-contents)
+2. [Supported languages](#supported-languages)
+3. [Try it](#try-it)
+4. [Using the library](#using-the-library)
+    1. [Quick start](#quick-start)
+    2. [Identifying the language](#identifying-the-language)
+    3. [Formatting the output](#formatting-the-output)
+    4. [The HTML formatter](#the-html-formatter)
+5. [More detail](#more-detail)
+    1. [Lexers](#lexers)
+    2. [Formatters](#formatters)
+    3. [Styles](#styles)
+6. [Command-line interface](#command-line-interface)
+7. [What's missing compared to Pygments?](#whats-missing-compared-to-pygments)
+
+<!-- /TOC -->
+
+<a id="markdown-supported-languages" name="supported-languages"></a>
+## Supported languages
+
+Prefix | Language
+:----: | --------
+A | ABAP, ABNF, ActionScript, ActionScript 3, Ada, Angular2, ANTLR, ApacheConf, APL, AppleScript, Arduino, Awk
+B | Ballerina, Base Makefile, Bash, Batchfile, BibTeX, Bicep, BlitzBasic, BNF, Brainfuck
+C | C, C#, C++, Caddyfile, Caddyfile Directives, Cap'n Proto, Cassandra CQL, Ceylon, CFEngine3, cfstatement, ChaiScript, Cheetah, Clojure, CMake, COBOL, CoffeeScript, Common Lisp, Coq, Crystal, CSS, Cython
+D | D, Dart, Diff, Django/Jinja, Docker, DTD, Dylan
+E | EBNF, Elixir, Elm, EmacsLisp, Erlang
+F | Factor, Fish, Forth, Fortran, FSharp
+G | GAS, GDScript, Genshi, Genshi HTML, Genshi Text, Gherkin, GLSL, Gnuplot, Go, Go HTML Template, Go Text Template, GraphQL, Groff, Groovy
+H | Handlebars, Haskell, Haxe, HCL, Hexdump, HLB, HTML, HTTP, Hy
+I | Idris, Igor, INI, Io
+J | J, Java, JavaScript, JSON, Julia, Jungle
+K | Kotlin
+L | Lighttpd configuration file, LLVM, Lua
+M | Mako, markdown, Mason, Mathematica, Matlab, MiniZinc, MLIR, Modula-2, MonkeyC, MorrowindScript, Myghty, MySQL
+N | NASM, Newspeak, Nginx configuration file, Nim, Nix
+O | Objective-C, OCaml, Octave, OnesEnterprise, OpenEdge ABL, OpenSCAD, Org Mode
+P | PacmanConf, Perl, PHP, PHTML, Pig, PkgConfig, PL/pgSQL, plaintext, Pony, PostgreSQL SQL dialect, PostScript, POVRay, PowerShell, Prolog, PromQL, Protocol Buffer, Puppet, Python 2, Python
+Q | QBasic
+R | R, Racket, Ragel, Raku, react, ReasonML, reg, reStructuredText, Rexx, Ruby, Rust
+S | SAS, Sass, Scala, Scheme, Scilab, SCSS, Smalltalk, Smarty, Snobol, Solidity, SPARQL, SQL, SquidConf, Standard ML, Stylus, Svelte, Swift, SYSTEMD, systemverilog
+T | TableGen, TASM, Tcl, Tcsh, Termcap, Terminfo, Terraform, TeX, Thrift, TOML, TradingView, Transact-SQL, Turing, Turtle, Twig, TypeScript, TypoScript, TypoScriptCssData, TypoScriptHtmlData
+V | VB.net, verilog, VHDL, VimL, vue
+W | WDTE
+X | XML, Xorg
+Y | YAML, YANG
+Z | Zig
+
+
+_I will attempt to keep this section up to date, but an authoritative list can be
+displayed with `chroma --list`._
+
+<a id="markdown-try-it" name="try-it"></a>
+## Try it
+
+Try out various languages and styles on the [Chroma Playground](https://swapoff.org/chroma/playground/).
+
+<a id="markdown-using-the-library" name="using-the-library"></a>
+## Using the library
+
+Chroma, like Pygments, has the concepts of
+[lexers](https://github.com/alecthomas/chroma/tree/master/lexers),
+[formatters](https://github.com/alecthomas/chroma/tree/master/formatters) and
+[styles](https://github.com/alecthomas/chroma/tree/master/styles).
+
+Lexers convert source text into a stream of tokens, styles specify how token
+types are mapped to colours, and formatters convert tokens and styles into
+formatted output.
+
+A package exists for each of these, containing a global `Registry` variable
+with all of the registered implementations. There are also helper functions
+for using the registry in each package, such as looking up lexers by name or
+matching filenames, etc.
+
+In all cases, if a lexer, formatter or style can not be determined, `nil` will
+be returned. In this situation you may want to default to the `Fallback`
+value in each respective package, which provides sane defaults.
+
+<a id="markdown-quick-start" name="quick-start"></a>
+### Quick start
+
+A convenience function exists that can be used to simply format some source
+text, without any effort:
+
+```go
+err := quick.Highlight(os.Stdout, someSourceCode, "go", "html", "monokai")
+```
+
+<a id="markdown-identifying-the-language" name="identifying-the-language"></a>
+### Identifying the language
+
+To highlight code, you'll first have to identify what language the code is
+written in. There are three primary ways to do that:
+
+1. Detect the language from its filename.
+
+    ```go
+    lexer := lexers.Match("foo.go")
+    ```
+
+3. Explicitly specify the language by its Chroma syntax ID (a full list is available from `lexers.Names()`).
+
+    ```go
+    lexer := lexers.Get("go")
+    ```
+
+3. Detect the language from its content.
+
+    ```go
+    lexer := lexers.Analyse("package main\n\nfunc main()\n{\n}\n")
+    ```
+
+In all cases, `nil` will be returned if the language can not be identified.
+
+```go
+if lexer == nil {
+  lexer = lexers.Fallback
+}
+```
+
+At this point, it should be noted that some lexers can be extremely chatty. To
+mitigate this, you can use the coalescing lexer to coalesce runs of identical
+token types into a single token:
+
+```go
+lexer = chroma.Coalesce(lexer)
+```
+
+<a id="markdown-formatting-the-output" name="formatting-the-output"></a>
+### Formatting the output
+
+Once a language is identified you will need to pick a formatter and a style (theme).
+
+```go
+style := styles.Get("swapoff")
+if style == nil {
+  style = styles.Fallback
+}
+formatter := formatters.Get("html")
+if formatter == nil {
+  formatter = formatters.Fallback
+}
+```
+
+Then obtain an iterator over the tokens:
+
+```go
+contents, err := ioutil.ReadAll(r)
+iterator, err := lexer.Tokenise(nil, string(contents))
+```
+
+And finally, format the tokens from the iterator:
+
+```go
+err := formatter.Format(w, style, iterator)
+```
+
+<a id="markdown-the-html-formatter" name="the-html-formatter"></a>
+### The HTML formatter
+
+By default the `html` registered formatter generates standalone HTML with
+embedded CSS. More flexibility is available through the `formatters/html` package.
+
+Firstly, the output generated by the formatter can be customised with the
+following constructor options:
+
+- `Standalone()` - generate standalone HTML with embedded CSS.
+- `WithClasses()` - use classes rather than inlined style attributes.
+- `ClassPrefix(prefix)` - prefix each generated CSS class.
+- `TabWidth(width)` - Set the rendered tab width, in characters.
+- `WithLineNumbers()` - Render line numbers (style with `LineNumbers`).
+- `LinkableLineNumbers()` - Make the line numbers linkable and be a link to themselves.
+- `HighlightLines(ranges)` - Highlight lines in these ranges (style with `LineHighlight`).
+- `LineNumbersInTable()` - Use a table for formatting line numbers and code, rather than spans.
+
+If `WithClasses()` is used, the corresponding CSS can be obtained from the formatter with:
+
+```go
+formatter := html.New(html.WithClasses())
+err := formatter.WriteCSS(w, style)
+```
+
+<a id="markdown-more-detail" name="more-detail"></a>
+## More detail
+
+<a id="markdown-lexers" name="lexers"></a>
+### Lexers
+
+See the [Pygments documentation](http://pygments.org/docs/lexerdevelopment/)
+for details on implementing lexers. Most concepts apply directly to Chroma,
+but see existing lexer implementations for real examples.
+
+In many cases lexers can be automatically converted directly from Pygments by
+using the included Python 3 script `pygments2chroma.py`. I use something like
+the following:
+
+```sh
+python3 _tools/pygments2chroma.py \
+  pygments.lexers.jvm.KotlinLexer \
+  > lexers/k/kotlin.go \
+  && gofmt -s -w lexers/k/kotlin.go
+```
+
+See notes in [pygments-lexers.txt](https://github.com/alecthomas/chroma/blob/master/pygments-lexers.txt)
+for a list of lexers, and notes on some of the issues importing them.
+
+<a id="markdown-formatters" name="formatters"></a>
+### Formatters
+
+Chroma supports HTML output, as well as terminal output in 8 colour, 256 colour, and true-colour.
+
+A `noop` formatter is included that outputs the token text only, and a `tokens`
+formatter outputs raw tokens. The latter is useful for debugging lexers.
+
+<a id="markdown-styles" name="styles"></a>
+### Styles
+
+Chroma styles use the [same syntax](http://pygments.org/docs/styles/) as Pygments.
+
+All Pygments styles have been converted to Chroma using the `_tools/style.py` script.
+
+When you work with one of [Chroma's styles](https://github.com/alecthomas/chroma/tree/master/styles), know that the `chroma.Background` token type provides the default style for tokens. It does so by defining a foreground color and background color.
+
+For example, this gives each token name not defined in the style a default color of `#f8f8f8` and uses `#000000` for the highlighted code block's background:
+
+~~~go
+chroma.Background: "#f8f8f2 bg:#000000",
+~~~
+
+Also, token types in a style file are hierarchical. For instance, when `CommentSpecial` is not defined, Chroma uses the token style from `Comment`. So when several comment tokens use the same color, you'll only need to define `Comment` and override the one that has a different color.
+
+For a quick overview of the available styles and how they look, check out the [Chroma Style Gallery](https://xyproto.github.io/splash/docs/).
+
+<a id="markdown-command-line-interface" name="command-line-interface"></a>
+## Command-line interface
+
+A command-line interface to Chroma is included.
+
+Binaries are available to install from [the releases page](https://github.com/alecthomas/chroma/releases).
+
+The CLI can be used as a preprocessor to colorise output of `less(1)`,
+see documentation for the `LESSOPEN` environment variable.
+
+The `--fail` flag can be used to suppress output and return with exit status
+1 to facilitate falling back to some other preprocessor in case chroma
+does not resolve a specific lexer to use for the given file. For example:
+
+```shell
+export LESSOPEN='| p() { chroma --fail "$1" || cat "$1"; }; p "%s"'
+```
+
+Replace `cat` with your favourite fallback preprocessor.
+
+When invoked as `.lessfilter`, the `--fail` flag is automatically turned
+on under the hood for easy integration with [lesspipe shipping with
+Debian and derivatives](https://manpages.debian.org/lesspipe#USER_DEFINED_FILTERS);
+for that setup the `chroma` executable can be just symlinked to `~/.lessfilter`.
+
+<a id="markdown-whats-missing-compared-to-pygments" name="whats-missing-compared-to-pygments"></a>
+## What's missing compared to Pygments?
+
+- Quite a few lexers, for various reasons (pull-requests welcome):
+    - Pygments lexers for complex languages often include custom code to
+      handle certain aspects, such as Raku's ability to nest code inside
+      regular expressions. These require time and effort to convert.
+    - I mostly only converted languages I had heard of, to reduce the porting cost.
+- Some more esoteric features of Pygments are omitted for simplicity.
+- Though the Chroma API supports content detection, very few languages support them.
+  I have plans to implement a statistical analyser at some point, but not enough time.

vendor/github.com/alecthomas/chroma/coalesce.go

@@ -0,0 +1,35 @@
+package chroma
+
+// Coalesce is a Lexer interceptor that collapses runs of common types into a single token.
+func Coalesce(lexer Lexer) Lexer { return &coalescer{lexer} }
+
+type coalescer struct{ Lexer }
+
+func (d *coalescer) Tokenise(options *TokeniseOptions, text string) (Iterator, error) {
+	var prev Token
+	it, err := d.Lexer.Tokenise(options, text)
+	if err != nil {
+		return nil, err
+	}
+	return func() Token {
+		for token := it(); token != (EOF); token = it() {
+			if len(token.Value) == 0 {
+				continue
+			}
+			if prev == EOF {
+				prev = token
+			} else {
+				if prev.Type == token.Type && len(prev.Value) < 8192 {
+					prev.Value += token.Value
+				} else {
+					out := prev
+					prev = token
+					return out
+				}
+			}
+		}
+		out := prev
+		prev = EOF
+		return out
+	}, nil
+}

vendor/github.com/alecthomas/chroma/colour.go

@@ -0,0 +1,164 @@
+package chroma
+
+import (
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+)
+
+// ANSI2RGB maps ANSI colour names, as supported by Chroma, to hex RGB values.
+var ANSI2RGB = map[string]string{
+	"#ansiblack":     "000000",
+	"#ansidarkred":   "7f0000",
+	"#ansidarkgreen": "007f00",
+	"#ansibrown":     "7f7fe0",
+	"#ansidarkblue":  "00007f",
+	"#ansipurple":    "7f007f",
+	"#ansiteal":      "007f7f",
+	"#ansilightgray": "e5e5e5",
+	// Normal
+	"#ansidarkgray":  "555555",
+	"#ansired":       "ff0000",
+	"#ansigreen":     "00ff00",
+	"#ansiyellow":    "ffff00",
+	"#ansiblue":      "0000ff",
+	"#ansifuchsia":   "ff00ff",
+	"#ansiturquoise": "00ffff",
+	"#ansiwhite":     "ffffff",
+
+	// Aliases without the "ansi" prefix, because...why?
+	"#black":     "000000",
+	"#darkred":   "7f0000",
+	"#darkgreen": "007f00",
+	"#brown":     "7f7fe0",
+	"#darkblue":  "00007f",
+	"#purple":    "7f007f",
+	"#teal":      "007f7f",
+	"#lightgray": "e5e5e5",
+	// Normal
+	"#darkgray":  "555555",
+	"#red":       "ff0000",
+	"#green":     "00ff00",
+	"#yellow":    "ffff00",
+	"#blue":      "0000ff",
+	"#fuchsia":   "ff00ff",
+	"#turquoise": "00ffff",
+	"#white":     "ffffff",
+}
+
+// Colour represents an RGB colour.
+type Colour int32
+
+// NewColour creates a Colour directly from RGB values.
+func NewColour(r, g, b uint8) Colour {
+	return ParseColour(fmt.Sprintf("%02x%02x%02x", r, g, b))
+}
+
+// Distance between this colour and another.
+//
+// This uses the approach described here (https://www.compuphase.com/cmetric.htm).
+// This is not as accurate as LAB, et. al. but is *vastly* simpler and sufficient for our needs.
+func (c Colour) Distance(e2 Colour) float64 {
+	ar, ag, ab := int64(c.Red()), int64(c.Green()), int64(c.Blue())
+	br, bg, bb := int64(e2.Red()), int64(e2.Green()), int64(e2.Blue())
+	rmean := (ar + br) / 2
+	r := ar - br
+	g := ag - bg
+	b := ab - bb
+	return math.Sqrt(float64((((512 + rmean) * r * r) >> 8) + 4*g*g + (((767 - rmean) * b * b) >> 8)))
+}
+
+// Brighten returns a copy of this colour with its brightness adjusted.
+//
+// If factor is negative, the colour is darkened.
+//
+// Uses approach described here (http://www.pvladov.com/2012/09/make-color-lighter-or-darker.html).
+func (c Colour) Brighten(factor float64) Colour {
+	r := float64(c.Red())
+	g := float64(c.Green())
+	b := float64(c.Blue())
+
+	if factor < 0 {
+		factor++
+		r *= factor
+		g *= factor
+		b *= factor
+	} else {
+		r = (255-r)*factor + r
+		g = (255-g)*factor + g
+		b = (255-b)*factor + b
+	}
+	return NewColour(uint8(r), uint8(g), uint8(b))
+}
+
+// BrightenOrDarken brightens a colour if it is < 0.5 brighteness or darkens if > 0.5 brightness.
+func (c Colour) BrightenOrDarken(factor float64) Colour {
+	if c.Brightness() < 0.5 {
+		return c.Brighten(factor)
+	}
+	return c.Brighten(-factor)
+}
+
+// Brightness of the colour (roughly) in the range 0.0 to 1.0
+func (c Colour) Brightness() float64 {
+	return (float64(c.Red()) + float64(c.Green()) + float64(c.Blue())) / 255.0 / 3.0
+}
+
+// ParseColour in the forms #rgb, #rrggbb, #ansi<colour>, or #<colour>.
+// Will return an "unset" colour if invalid.
+func ParseColour(colour string) Colour {
+	colour = normaliseColour(colour)
+	n, err := strconv.ParseUint(colour, 16, 32)
+	if err != nil {
+		return 0
+	}
+	return Colour(n + 1)
+}
+
+// MustParseColour is like ParseColour except it panics if the colour is invalid.
+//
+// Will panic if colour is in an invalid format.
+func MustParseColour(colour string) Colour {
+	parsed := ParseColour(colour)
+	if !parsed.IsSet() {
+		panic(fmt.Errorf("invalid colour %q", colour))
+	}
+	return parsed
+}
+
+// IsSet returns true if the colour is set.
+func (c Colour) IsSet() bool { return c != 0 }
+
+func (c Colour) String() string   { return fmt.Sprintf("#%06x", int(c-1)) }
+func (c Colour) GoString() string { return fmt.Sprintf("Colour(0x%06x)", int(c-1)) }
+
+// Red component of colour.
+func (c Colour) Red() uint8 { return uint8(((c - 1) >> 16) & 0xff) }
+
+// Green component of colour.
+func (c Colour) Green() uint8 { return uint8(((c - 1) >> 8) & 0xff) }
+
+// Blue component of colour.
+func (c Colour) Blue() uint8 { return uint8((c - 1) & 0xff) }
+
+// Colours is an orderable set of colours.
+type Colours []Colour
+
+func (c Colours) Len() int           { return len(c) }
+func (c Colours) Swap(i, j int)      { c[i], c[j] = c[j], c[i] }
+func (c Colours) Less(i, j int) bool { return c[i] < c[j] }
+
+// Convert colours to #rrggbb.
+func normaliseColour(colour string) string {
+	if ansi, ok := ANSI2RGB[colour]; ok {
+		return ansi
+	}
+	if strings.HasPrefix(colour, "#") {
+		colour = colour[1:]
+		if len(colour) == 3 {
+			return colour[0:1] + colour[0:1] + colour[1:2] + colour[1:2] + colour[2:3] + colour[2:3]
+		}
+	}
+	return colour
+}

vendor/github.com/alecthomas/chroma/delegate.go

@@ -0,0 +1,137 @@
+package chroma
+
+import (
+	"bytes"
+)
+
+type delegatingLexer struct {
+	root     Lexer
+	language Lexer
+}
+
+// DelegatingLexer combines two lexers to handle the common case of a language embedded inside another, such as PHP
+// inside HTML or PHP inside plain text.
+//
+// It takes two lexer as arguments: a root lexer and a language lexer.  First everything is scanned using the language
+// lexer, which must return "Other" for unrecognised tokens. Then all "Other" tokens are lexed using the root lexer.
+// Finally, these two sets of tokens are merged.
+//
+// The lexers from the template lexer package use this base lexer.
+func DelegatingLexer(root Lexer, language Lexer) Lexer {
+	return &delegatingLexer{
+		root:     root,
+		language: language,
+	}
+}
+
+func (d *delegatingLexer) Config() *Config {
+	return d.language.Config()
+}
+
+// An insertion is the character range where language tokens should be inserted.
+type insertion struct {
+	start, end int
+	tokens     []Token
+}
+
+func (d *delegatingLexer) Tokenise(options *TokeniseOptions, text string) (Iterator, error) { // nolint: gocognit
+	tokens, err := Tokenise(Coalesce(d.language), options, text)
+	if err != nil {
+		return nil, err
+	}
+	// Compute insertions and gather "Other" tokens.
+	others := &bytes.Buffer{}
+	insertions := []*insertion{}
+	var insert *insertion
+	offset := 0
+	var last Token
+	for _, t := range tokens {
+		if t.Type == Other {
+			if last != EOF && insert != nil && last.Type != Other {
+				insert.end = offset
+			}
+			others.WriteString(t.Value)
+		} else {
+			if last == EOF || last.Type == Other {
+				insert = &insertion{start: offset}
+				insertions = append(insertions, insert)
+			}
+			insert.tokens = append(insert.tokens, t)
+		}
+		last = t
+		offset += len(t.Value)
+	}
+
+	if len(insertions) == 0 {
+		return d.root.Tokenise(options, text)
+	}
+
+	// Lex the other tokens.
+	rootTokens, err := Tokenise(Coalesce(d.root), options, others.String())
+	if err != nil {
+		return nil, err
+	}
+
+	// Interleave the two sets of tokens.
+	var out []Token
+	offset = 0 // Offset into text.
+	tokenIndex := 0
+	nextToken := func() Token {
+		if tokenIndex >= len(rootTokens) {
+			return EOF
+		}
+		t := rootTokens[tokenIndex]
+		tokenIndex++
+		return t
+	}
+	insertionIndex := 0
+	nextInsertion := func() *insertion {
+		if insertionIndex >= len(insertions) {
+			return nil
+		}
+		i := insertions[insertionIndex]
+		insertionIndex++
+		return i
+	}
+	t := nextToken()
+	i := nextInsertion()
+	for t != EOF || i != nil {
+		// fmt.Printf("%d->%d:%q   %d->%d:%q\n", offset, offset+len(t.Value), t.Value, i.start, i.end, Stringify(i.tokens...))
+		if t == EOF || (i != nil && i.start < offset+len(t.Value)) {
+			var l Token
+			l, t = splitToken(t, i.start-offset)
+			if l != EOF {
+				out = append(out, l)
+				offset += len(l.Value)
+			}
+			out = append(out, i.tokens...)
+			offset += i.end - i.start
+			if t == EOF {
+				t = nextToken()
+			}
+			i = nextInsertion()
+		} else {
+			out = append(out, t)
+			offset += len(t.Value)
+			t = nextToken()
+		}
+	}
+	return Literator(out...), nil
+}
+
+func splitToken(t Token, offset int) (l Token, r Token) {
+	if t == EOF {
+		return EOF, EOF
+	}
+	if offset == 0 {
+		return EOF, t
+	}
+	if offset == len(t.Value) {
+		return t, EOF
+	}
+	l = t.Clone()
+	r = t.Clone()
+	l.Value = l.Value[:offset]
+	r.Value = r.Value[offset:]
+	return
+}

vendor/github.com/alecthomas/chroma/doc.go

@@ -0,0 +1,7 @@
+// Package chroma takes source code and other structured text and converts it into syntax highlighted HTML, ANSI-
+// coloured text, etc.
+//
+// Chroma is based heavily on Pygments, and includes translators for Pygments lexers and styles.
+//
+// For more information, go here: https://github.com/alecthomas/chroma
+package chroma

vendor/github.com/alecthomas/chroma/formatter.go

@@ -0,0 +1,43 @@
+package chroma
+
+import (
+	"io"
+)
+
+// A Formatter for Chroma lexers.
+type Formatter interface {
+	// Format returns a formatting function for tokens.
+	//
+	// If the iterator panics, the Formatter should recover.
+	Format(w io.Writer, style *Style, iterator Iterator) error
+}
+
+// A FormatterFunc is a Formatter implemented as a function.
+//
+// Guards against iterator panics.
+type FormatterFunc func(w io.Writer, style *Style, iterator Iterator) error
+
+func (f FormatterFunc) Format(w io.Writer, s *Style, it Iterator) (err error) { // nolint
+	defer func() {
+		if perr := recover(); perr != nil {
+			err = perr.(error)
+		}
+	}()
+	return f(w, s, it)
+}
+
+type recoveringFormatter struct {
+	Formatter
+}
+
+func (r recoveringFormatter) Format(w io.Writer, s *Style, it Iterator) (err error) {
+	defer func() {
+		if perr := recover(); perr != nil {
+			err = perr.(error)
+		}
+	}()
+	return r.Formatter.Format(w, s, it)
+}
+
+// RecoveringFormatter wraps a formatter with panic recovery.
+func RecoveringFormatter(formatter Formatter) Formatter { return recoveringFormatter{formatter} }

vendor/github.com/alecthomas/chroma/formatters/html/html.go

@@ -0,0 +1,500 @@
+package html
+
+import (
+	"fmt"
+	"html"
+	"io"
+	"sort"
+	"strings"
+
+	"github.com/alecthomas/chroma"
+)
+
+// Option sets an option of the HTML formatter.
+type Option func(f *Formatter)
+
+// Standalone configures the HTML formatter for generating a standalone HTML document.
+func Standalone(b bool) Option { return func(f *Formatter) { f.standalone = b } }
+
+// ClassPrefix sets the CSS class prefix.
+func ClassPrefix(prefix string) Option { return func(f *Formatter) { f.prefix = prefix } }
+
+// WithClasses emits HTML using CSS classes, rather than inline styles.
+func WithClasses(b bool) Option { return func(f *Formatter) { f.Classes = b } }
+
+// WithAllClasses disables an optimisation that omits redundant CSS classes.
+func WithAllClasses(b bool) Option { return func(f *Formatter) { f.allClasses = b } }
+
+// TabWidth sets the number of characters for a tab. Defaults to 8.
+func TabWidth(width int) Option { return func(f *Formatter) { f.tabWidth = width } }
+
+// PreventSurroundingPre prevents the surrounding pre tags around the generated code.
+func PreventSurroundingPre(b bool) Option {
+	return func(f *Formatter) {
+		if b {
+			f.preWrapper = nopPreWrapper
+		} else {
+			f.preWrapper = defaultPreWrapper
+		}
+	}
+}
+
+// WithPreWrapper allows control of the surrounding pre tags.
+func WithPreWrapper(wrapper PreWrapper) Option {
+	return func(f *Formatter) {
+		f.preWrapper = wrapper
+	}
+}
+
+// WrapLongLines wraps long lines.
+func WrapLongLines(b bool) Option {
+	return func(f *Formatter) {
+		f.wrapLongLines = b
+	}
+}
+
+// WithLineNumbers formats output with line numbers.
+func WithLineNumbers(b bool) Option {
+	return func(f *Formatter) {
+		f.lineNumbers = b
+	}
+}
+
+// LineNumbersInTable will, when combined with WithLineNumbers, separate the line numbers
+// and code in table td's, which make them copy-and-paste friendly.
+func LineNumbersInTable(b bool) Option {
+	return func(f *Formatter) {
+		f.lineNumbersInTable = b
+	}
+}
+
+// LinkableLineNumbers decorates the line numbers HTML elements with an "id"
+// attribute so they can be linked.
+func LinkableLineNumbers(b bool, prefix string) Option {
+	return func(f *Formatter) {
+		f.linkableLineNumbers = b
+		f.lineNumbersIDPrefix = prefix
+	}
+}
+
+// HighlightLines higlights the given line ranges with the Highlight style.
+//
+// A range is the beginning and ending of a range as 1-based line numbers, inclusive.
+func HighlightLines(ranges [][2]int) Option {
+	return func(f *Formatter) {
+		f.highlightRanges = ranges
+		sort.Sort(f.highlightRanges)
+	}
+}
+
+// BaseLineNumber sets the initial number to start line numbering at. Defaults to 1.
+func BaseLineNumber(n int) Option {
+	return func(f *Formatter) {
+		f.baseLineNumber = n
+	}
+}
+
+// New HTML formatter.
+func New(options ...Option) *Formatter {
+	f := &Formatter{
+		baseLineNumber: 1,
+		preWrapper:     defaultPreWrapper,
+	}
+	for _, option := range options {
+		option(f)
+	}
+	return f
+}
+
+// PreWrapper defines the operations supported in WithPreWrapper.
+type PreWrapper interface {
+	// Start is called to write a start <pre> element.
+	// The code flag tells whether this block surrounds
+	// highlighted code. This will be false when surrounding
+	// line numbers.
+	Start(code bool, styleAttr string) string
+
+	// End is called to write the end </pre> element.
+	End(code bool) string
+}
+
+type preWrapper struct {
+	start func(code bool, styleAttr string) string
+	end   func(code bool) string
+}
+
+func (p preWrapper) Start(code bool, styleAttr string) string {
+	return p.start(code, styleAttr)
+}
+
+func (p preWrapper) End(code bool) string {
+	return p.end(code)
+}
+
+var (
+	nopPreWrapper = preWrapper{
+		start: func(code bool, styleAttr string) string { return "" },
+		end:   func(code bool) string { return "" },
+	}
+	defaultPreWrapper = preWrapper{
+		start: func(code bool, styleAttr string) string {
+			if code {
+				return fmt.Sprintf(`<pre tabindex="0"%s><code>`, styleAttr)
+			}
+
+			return fmt.Sprintf(`<pre tabindex="0"%s>`, styleAttr)
+		},
+		end: func(code bool) string {
+			if code {
+				return `</code></pre>`
+			}
+
+			return `</pre>`
+		},
+	}
+)
+
+// Formatter that generates HTML.
+type Formatter struct {
+	standalone          bool
+	prefix              string
+	Classes             bool // Exported field to detect when classes are being used
+	allClasses          bool
+	preWrapper          PreWrapper
+	tabWidth            int
+	wrapLongLines       bool
+	lineNumbers         bool
+	lineNumbersInTable  bool
+	linkableLineNumbers bool
+	lineNumbersIDPrefix string
+	highlightRanges     highlightRanges
+	baseLineNumber      int
+}
+
+type highlightRanges [][2]int
+
+func (h highlightRanges) Len() int           { return len(h) }
+func (h highlightRanges) Swap(i, j int)      { h[i], h[j] = h[j], h[i] }
+func (h highlightRanges) Less(i, j int) bool { return h[i][0] < h[j][0] }
+
+func (f *Formatter) Format(w io.Writer, style *chroma.Style, iterator chroma.Iterator) (err error) {
+	return f.writeHTML(w, style, iterator.Tokens())
+}
+
+// We deliberately don't use html/template here because it is two orders of magnitude slower (benchmarked).
+//
+// OTOH we need to be super careful about correct escaping...
+func (f *Formatter) writeHTML(w io.Writer, style *chroma.Style, tokens []chroma.Token) (err error) { // nolint: gocyclo
+	css := f.styleToCSS(style)
+	if !f.Classes {
+		for t, style := range css {
+			css[t] = compressStyle(style)
+		}
+	}
+	if f.standalone {
+		fmt.Fprint(w, "<html>\n")
+		if f.Classes {
+			fmt.Fprint(w, "<style type=\"text/css\">\n")
+			err = f.WriteCSS(w, style)
+			if err != nil {
+				return err
+			}
+			fmt.Fprintf(w, "body { %s; }\n", css[chroma.Background])
+			fmt.Fprint(w, "</style>")
+		}
+		fmt.Fprintf(w, "<body%s>\n", f.styleAttr(css, chroma.Background))
+	}
+
+	wrapInTable := f.lineNumbers && f.lineNumbersInTable
+
+	lines := chroma.SplitTokensIntoLines(tokens)
+	lineDigits := len(fmt.Sprintf("%d", f.baseLineNumber+len(lines)-1))
+	highlightIndex := 0
+
+	if wrapInTable {
+		// List line numbers in its own <td>
+		fmt.Fprintf(w, "<div%s>\n", f.styleAttr(css, chroma.PreWrapper))
+		fmt.Fprintf(w, "<table%s><tr>", f.styleAttr(css, chroma.LineTable))
+		fmt.Fprintf(w, "<td%s>\n", f.styleAttr(css, chroma.LineTableTD))
+		fmt.Fprintf(w, f.preWrapper.Start(false, f.styleAttr(css, chroma.PreWrapper)))
+		for index := range lines {
+			line := f.baseLineNumber + index
+			highlight, next := f.shouldHighlight(highlightIndex, line)
+			if next {
+				highlightIndex++
+			}
+			if highlight {
+				fmt.Fprintf(w, "<span%s>", f.styleAttr(css, chroma.LineHighlight))
+			}
+
+			fmt.Fprintf(w, "<span%s%s>%s\n</span>", f.styleAttr(css, chroma.LineNumbersTable), f.lineIDAttribute(line), f.lineTitleWithLinkIfNeeded(lineDigits, line))
+
+			if highlight {
+				fmt.Fprintf(w, "</span>")
+			}
+		}
+		fmt.Fprint(w, f.preWrapper.End(false))
+		fmt.Fprint(w, "</td>\n")
+		fmt.Fprintf(w, "<td%s>\n", f.styleAttr(css, chroma.LineTableTD, "width:100%"))
+	}
+
+	fmt.Fprintf(w, f.preWrapper.Start(true, f.styleAttr(css, chroma.PreWrapper)))
+
+	highlightIndex = 0
+	for index, tokens := range lines {
+		// 1-based line number.
+		line := f.baseLineNumber + index
+		highlight, next := f.shouldHighlight(highlightIndex, line)
+		if next {
+			highlightIndex++
+		}
+
+		// Start of Line
+		fmt.Fprint(w, `<span`)
+		if highlight {
+			// Line + LineHighlight
+			if f.Classes {
+				fmt.Fprintf(w, ` class="%s %s"`, f.class(chroma.Line), f.class(chroma.LineHighlight))
+			} else {
+				fmt.Fprintf(w, ` style="%s %s"`, css[chroma.Line], css[chroma.LineHighlight])
+			}
+			fmt.Fprint(w, `>`)
+		} else {
+			fmt.Fprintf(w, "%s>", f.styleAttr(css, chroma.Line))
+		}
+
+		// Line number
+		if f.lineNumbers && !wrapInTable {
+			fmt.Fprintf(w, "<span%s%s>%s</span>", f.styleAttr(css, chroma.LineNumbers), f.lineIDAttribute(line), f.lineTitleWithLinkIfNeeded(lineDigits, line))
+		}
+
+		fmt.Fprintf(w, `<span%s>`, f.styleAttr(css, chroma.CodeLine))
+
+		for _, token := range tokens {
+			html := html.EscapeString(token.String())
+			attr := f.styleAttr(css, token.Type)
+			if attr != "" {
+				html = fmt.Sprintf("<span%s>%s</span>", attr, html)
+			}
+			fmt.Fprint(w, html)
+		}
+
+		fmt.Fprint(w, `</span>`) // End of CodeLine
+
+		fmt.Fprint(w, `</span>`) // End of Line
+	}
+
+	fmt.Fprintf(w, f.preWrapper.End(true))
+
+	if wrapInTable {
+		fmt.Fprint(w, "</td></tr></table>\n")
+		fmt.Fprint(w, "</div>\n")
+	}
+
+	if f.standalone {
+		fmt.Fprint(w, "\n</body>\n")
+		fmt.Fprint(w, "</html>\n")
+	}
+
+	return nil
+}
+
+func (f *Formatter) lineIDAttribute(line int) string {
+	if !f.linkableLineNumbers {
+		return ""
+	}
+	return fmt.Sprintf(" id=\"%s\"", f.lineID(line))
+}
+
+func (f *Formatter) lineTitleWithLinkIfNeeded(lineDigits, line int) string {
+	title := fmt.Sprintf("%*d", lineDigits, line)
+	if !f.linkableLineNumbers {
+		return title
+	}
+	return fmt.Sprintf("<a style=\"outline: none; text-decoration:none; color:inherit\" href=\"#%s\">%s</a>", f.lineID(line), title)
+}
+
+func (f *Formatter) lineID(line int) string {
+	return fmt.Sprintf("%s%d", f.lineNumbersIDPrefix, line)
+}
+
+func (f *Formatter) shouldHighlight(highlightIndex, line int) (bool, bool) {
+	next := false
+	for highlightIndex < len(f.highlightRanges) && line > f.highlightRanges[highlightIndex][1] {
+		highlightIndex++
+		next = true
+	}
+	if highlightIndex < len(f.highlightRanges) {
+		hrange := f.highlightRanges[highlightIndex]
+		if line >= hrange[0] && line <= hrange[1] {
+			return true, next
+		}
+	}
+	return false, next
+}
+
+func (f *Formatter) class(t chroma.TokenType) string {
+	for t != 0 {
+		if cls, ok := chroma.StandardTypes[t]; ok {
+			if cls != "" {
+				return f.prefix + cls
+			}
+			return ""
+		}
+		t = t.Parent()
+	}
+	if cls := chroma.StandardTypes[t]; cls != "" {
+		return f.prefix + cls
+	}
+	return ""
+}
+
+func (f *Formatter) styleAttr(styles map[chroma.TokenType]string, tt chroma.TokenType, extraCSS ...string) string {
+	if f.Classes {
+		cls := f.class(tt)
+		if cls == "" {
+			return ""
+		}
+		return fmt.Sprintf(` class="%s"`, cls)
+	}
+	if _, ok := styles[tt]; !ok {
+		tt = tt.SubCategory()
+		if _, ok := styles[tt]; !ok {
+			tt = tt.Category()
+			if _, ok := styles[tt]; !ok {
+				return ""
+			}
+		}
+	}
+	css := []string{styles[tt]}
+	css = append(css, extraCSS...)
+	return fmt.Sprintf(` style="%s"`, strings.Join(css, ";"))
+}
+
+func (f *Formatter) tabWidthStyle() string {
+	if f.tabWidth != 0 && f.tabWidth != 8 {
+		return fmt.Sprintf("; -moz-tab-size: %[1]d; -o-tab-size: %[1]d; tab-size: %[1]d", f.tabWidth)
+	}
+	return ""
+}
+
+// WriteCSS writes CSS style definitions (without any surrounding HTML).
+func (f *Formatter) WriteCSS(w io.Writer, style *chroma.Style) error {
+	css := f.styleToCSS(style)
+	// Special-case background as it is mapped to the outer ".chroma" class.
+	if _, err := fmt.Fprintf(w, "/* %s */ .%sbg { %s }\n", chroma.Background, f.prefix, css[chroma.Background]); err != nil {
+		return err
+	}
+	// Special-case PreWrapper as it is the ".chroma" class.
+	if _, err := fmt.Fprintf(w, "/* %s */ .%schroma { %s }\n", chroma.PreWrapper, f.prefix, css[chroma.PreWrapper]); err != nil {
+		return err
+	}
+	// Special-case code column of table to expand width.
+	if f.lineNumbers && f.lineNumbersInTable {
+		if _, err := fmt.Fprintf(w, "/* %s */ .%schroma .%s:last-child { width: 100%%; }",
+			chroma.LineTableTD, f.prefix, f.class(chroma.LineTableTD)); err != nil {
+			return err
+		}
+	}
+	// Special-case line number highlighting when targeted.
+	if f.lineNumbers || f.lineNumbersInTable {
+		targetedLineCSS := StyleEntryToCSS(style.Get(chroma.LineHighlight))
+		for _, tt := range []chroma.TokenType{chroma.LineNumbers, chroma.LineNumbersTable} {
+			fmt.Fprintf(w, "/* %s targeted by URL anchor */ .%schroma .%s:target { %s }\n", tt, f.prefix, f.class(tt), targetedLineCSS)
+		}
+	}
+	tts := []int{}
+	for tt := range css {
+		tts = append(tts, int(tt))
+	}
+	sort.Ints(tts)
+	for _, ti := range tts {
+		tt := chroma.TokenType(ti)
+		switch tt {
+		case chroma.Background, chroma.PreWrapper:
+			continue
+		}
+		class := f.class(tt)
+		if class == "" {
+			continue
+		}
+		styles := css[tt]
+		if _, err := fmt.Fprintf(w, "/* %s */ .%schroma .%s { %s }\n", tt, f.prefix, class, styles); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (f *Formatter) styleToCSS(style *chroma.Style) map[chroma.TokenType]string {
+	classes := map[chroma.TokenType]string{}
+	bg := style.Get(chroma.Background)
+	// Convert the style.
+	for t := range chroma.StandardTypes {
+		entry := style.Get(t)
+		if t != chroma.Background {
+			entry = entry.Sub(bg)
+		}
+		if !f.allClasses && entry.IsZero() {
+			continue
+		}
+		classes[t] = StyleEntryToCSS(entry)
+	}
+	classes[chroma.Background] += f.tabWidthStyle()
+	classes[chroma.PreWrapper] += classes[chroma.Background] + `;`
+	// Make PreWrapper a grid to show highlight style with full width.
+	if len(f.highlightRanges) > 0 {
+		classes[chroma.PreWrapper] += `display: grid;`
+	}
+	// Make PreWrapper wrap long lines.
+	if f.wrapLongLines {
+		classes[chroma.PreWrapper] += `white-space: pre-wrap; word-break: break-word;`
+	}
+	lineNumbersStyle := `white-space: pre; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;`
+	// All rules begin with default rules followed by user provided rules
+	classes[chroma.Line] = `display: flex;` + classes[chroma.Line]
+	classes[chroma.LineNumbers] = lineNumbersStyle + classes[chroma.LineNumbers]
+	classes[chroma.LineNumbersTable] = lineNumbersStyle + classes[chroma.LineNumbersTable]
+	classes[chroma.LineTable] = "border-spacing: 0; padding: 0; margin: 0; border: 0;" + classes[chroma.LineTable]
+	classes[chroma.LineTableTD] = "vertical-align: top; padding: 0; margin: 0; border: 0;" + classes[chroma.LineTableTD]
+	return classes
+}
+
+// StyleEntryToCSS converts a chroma.StyleEntry to CSS attributes.
+func StyleEntryToCSS(e chroma.StyleEntry) string {
+	styles := []string{}
+	if e.Colour.IsSet() {
+		styles = append(styles, "color: "+e.Colour.String())
+	}
+	if e.Background.IsSet() {
+		styles = append(styles, "background-color: "+e.Background.String())
+	}
+	if e.Bold == chroma.Yes {
+		styles = append(styles, "font-weight: bold")
+	}
+	if e.Italic == chroma.Yes {
+		styles = append(styles, "font-style: italic")
+	}
+	if e.Underline == chroma.Yes {
+		styles = append(styles, "text-decoration: underline")
+	}
+	return strings.Join(styles, "; ")
+}
+
+// Compress CSS attributes - remove spaces, transform 6-digit colours to 3.
+func compressStyle(s string) string {
+	parts := strings.Split(s, ";")
+	out := []string{}
+	for _, p := range parts {
+		p = strings.Join(strings.Fields(p), " ")
+		p = strings.Replace(p, ": ", ":", 1)
+		if strings.Contains(p, "#") {
+			c := p[len(p)-6:]
+			if c[0] == c[1] && c[2] == c[3] && c[4] == c[5] {
+				p = p[:len(p)-6] + c[0:1] + c[2:3] + c[4:5]
+			}
+		}
+		out = append(out, p)
+	}
+	return strings.Join(out, ";")
+}

vendor/github.com/alecthomas/chroma/go.mod

@@ -0,0 +1,9 @@
+module github.com/alecthomas/chroma
+
+go 1.13
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dlclark/regexp2 v1.4.0
+	github.com/stretchr/testify v1.7.0
+)

vendor/github.com/alecthomas/chroma/go.sum

@@ -0,0 +1,14 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dlclark/regexp2 v1.4.0 h1:F1rxgk7p4uKjwIQxBs9oAXe5CqrXlCduYEJvrF4u93E=
+github.com/dlclark/regexp2 v1.4.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

vendor/github.com/alecthomas/chroma/iterator.go

@@ -0,0 +1,76 @@
+package chroma
+
+import "strings"
+
+// An Iterator across tokens.
+//
+// EOF will be returned at the end of the Token stream.
+//
+// If an error occurs within an Iterator, it may propagate this in a panic. Formatters should recover.
+type Iterator func() Token
+
+// Tokens consumes all tokens from the iterator and returns them as a slice.
+func (i Iterator) Tokens() []Token {
+	var out []Token
+	for t := i(); t != EOF; t = i() {
+		out = append(out, t)
+	}
+	return out
+}
+
+// Concaterator concatenates tokens from a series of iterators.
+func Concaterator(iterators ...Iterator) Iterator {
+	return func() Token {
+		for len(iterators) > 0 {
+			t := iterators[0]()
+			if t != EOF {
+				return t
+			}
+			iterators = iterators[1:]
+		}
+		return EOF
+	}
+}
+
+// Literator converts a sequence of literal Tokens into an Iterator.
+func Literator(tokens ...Token) Iterator {
+	return func() Token {
+		if len(tokens) == 0 {
+			return EOF
+		}
+		token := tokens[0]
+		tokens = tokens[1:]
+		return token
+	}
+}
+
+// SplitTokensIntoLines splits tokens containing newlines in two.
+func SplitTokensIntoLines(tokens []Token) (out [][]Token) {
+	var line []Token // nolint: prealloc
+	for _, token := range tokens {
+		for strings.Contains(token.Value, "\n") {
+			parts := strings.SplitAfterN(token.Value, "\n", 2)
+			// Token becomes the tail.
+			token.Value = parts[1]
+
+			// Append the head to the line and flush the line.
+			clone := token.Clone()
+			clone.Value = parts[0]
+			line = append(line, clone)
+			out = append(out, line)
+			line = nil
+		}
+		line = append(line, token)
+	}
+	if len(line) > 0 {
+		out = append(out, line)
+	}
+	// Strip empty trailing token line.
+	if len(out) > 0 {
+		last := out[len(out)-1]
+		if len(last) == 1 && last[0].Value == "" {
+			out = out[:len(out)-1]
+		}
+	}
+	return
+}

vendor/github.com/alecthomas/chroma/lexer.go

@@ -0,0 +1,128 @@
+package chroma
+
+import (
+	"fmt"
+	"strings"
+)
+
+var (
+	defaultOptions = &TokeniseOptions{
+		State:    "root",
+		EnsureLF: true,
+	}
+)
+
+// Config for a lexer.
+type Config struct {
+	// Name of the lexer.
+	Name string
+
+	// Shortcuts for the lexer
+	Aliases []string
+
+	// File name globs
+	Filenames []string
+
+	// Secondary file name globs
+	AliasFilenames []string
+
+	// MIME types
+	MimeTypes []string
+
+	// Regex matching is case-insensitive.
+	CaseInsensitive bool
+
+	// Regex matches all characters.
+	DotAll bool
+
+	// Regex does not match across lines ($ matches EOL).
+	//
+	// Defaults to multiline.
+	NotMultiline bool
+
+	// Don't strip leading and trailing newlines from the input.
+	// DontStripNL bool
+
+	// Strip all leading and trailing whitespace from the input
+	// StripAll bool
+
+	// Make sure that the input ends with a newline. This
+	// is required for some lexers that consume input linewise.
+	EnsureNL bool
+
+	// If given and greater than 0, expand tabs in the input.
+	// TabSize int
+
+	// Priority of lexer.
+	//
+	// If this is 0 it will be treated as a default of 1.
+	Priority float32
+}
+
+// Token output to formatter.
+type Token struct {
+	Type  TokenType `json:"type"`
+	Value string    `json:"value"`
+}
+
+func (t *Token) String() string   { return t.Value }
+func (t *Token) GoString() string { return fmt.Sprintf("&Token{%s, %q}", t.Type, t.Value) }
+
+// Clone returns a clone of the Token.
+func (t *Token) Clone() Token {
+	return *t
+}
+
+// EOF is returned by lexers at the end of input.
+var EOF Token
+
+// TokeniseOptions contains options for tokenisers.
+type TokeniseOptions struct {
+	// State to start tokenisation in. Defaults to "root".
+	State string
+	// Nested tokenisation.
+	Nested bool
+
+	// If true, all EOLs are converted into LF
+	// by replacing CRLF and CR
+	EnsureLF bool
+}
+
+// A Lexer for tokenising source code.
+type Lexer interface {
+	// Config describing the features of the Lexer.
+	Config() *Config
+	// Tokenise returns an Iterator over tokens in text.
+	Tokenise(options *TokeniseOptions, text string) (Iterator, error)
+}
+
+// Lexers is a slice of lexers sortable by name.
+type Lexers []Lexer
+
+func (l Lexers) Len() int      { return len(l) }
+func (l Lexers) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
+func (l Lexers) Less(i, j int) bool {
+	return strings.ToLower(l[i].Config().Name) < strings.ToLower(l[j].Config().Name)
+}
+
+// PrioritisedLexers is a slice of lexers sortable by priority.
+type PrioritisedLexers []Lexer
+
+func (l PrioritisedLexers) Len() int      { return len(l) }
+func (l PrioritisedLexers) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
+func (l PrioritisedLexers) Less(i, j int) bool {
+	ip := l[i].Config().Priority
+	if ip == 0 {
+		ip = 1
+	}
+	jp := l[j].Config().Priority
+	if jp == 0 {
+		jp = 1
+	}
+	return ip > jp
+}
+
+// Analyser determines how appropriate this lexer is for the given text.
+type Analyser interface {
+	AnalyseText(text string) float32
+}

vendor/github.com/alecthomas/chroma/lexers/README.md

@@ -0,0 +1,40 @@
+# Lexer tests
+
+The tests in this directory feed a known input `testdata/<name>.actual` into the parser for `<name>` and check
+that its output matches `<name>.exported`.
+
+It is also possible to perform several tests on a same parser `<name>`, by placing know inputs `*.actual` into a
+directory `testdata/<name>/`.
+
+## Running the tests
+
+Run the tests as normal:
+```go
+go test ./lexers
+```
+
+## Update existing tests
+When you add a new test data file (`*.actual`), you need to regenerate all tests. That's how Chroma creates the `*.expected` test file based on the corresponding lexer.
+
+To regenerate all tests, type in your terminal:
+
+```go
+RECORD=true go test ./lexers
+```
+
+This first sets the `RECORD` environment variable to `true`. Then it runs `go test` on the `./lexers` directory of the Chroma project.
+
+(That environment variable tells Chroma it needs to output test data. After running `go test ./lexers` you can remove or reset that variable.)
+
+### Windows users
+Windows users will find that the `RECORD=true go test ./lexers` command fails in both the standard command prompt terminal and in PowerShell.
+
+Instead we have to perform both steps separately:
+
+- Set the `RECORD` environment variable to `true`.
+	+ In the regular command prompt window, the `set` command sets an environment variable for the current session: `set RECORD=true`. See [this page](https://superuser.com/questions/212150/how-to-set-env-variable-in-windows-cmd-line) for more.
+	+ In PowerShell, you can use the `$env:RECORD = 'true'` command for that. See [this article](https://mcpmag.com/articles/2019/03/28/environment-variables-in-powershell.aspx) for more.
+	+ You can also make a persistent environment variable by hand in the Windows computer settings. See [this article](https://www.computerhope.com/issues/ch000549.htm) for how.
+- When the environment variable is set, run `go tests ./lexers`.
+
+Chroma will now regenerate the test files and print its results to the console window.

vendor/github.com/alecthomas/chroma/lexers/a/abap.go

@@ -0,0 +1,60 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// ABAP lexer.
+var Abap = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "ABAP",
+		Aliases:         []string{"abap"},
+		Filenames:       []string{"*.abap", "*.ABAP"},
+		MimeTypes:       []string{"text/x-abap"},
+		CaseInsensitive: true,
+	},
+	abapRules,
+))
+
+func abapRules() Rules {
+	return Rules{
+		"common": {
+			{`\s+`, Text, nil},
+			{`^\*.*$`, CommentSingle, nil},
+			{`\".*?\n`, CommentSingle, nil},
+			{`##\w+`, CommentSpecial, nil},
+		},
+		"variable-names": {
+			{`<\S+>`, NameVariable, nil},
+			{`\w[\w~]*(?:(\[\])|->\*)?`, NameVariable, nil},
+		},
+		"root": {
+			Include("common"),
+			{`CALL\s+(?:BADI|CUSTOMER-FUNCTION|FUNCTION)`, Keyword, nil},
+			{`(CALL\s+(?:DIALOG|SCREEN|SUBSCREEN|SELECTION-SCREEN|TRANSACTION|TRANSFORMATION))\b`, Keyword, nil},
+			{`(FORM|PERFORM)(\s+)(\w+)`, ByGroups(Keyword, Text, NameFunction), nil},
+			{`(PERFORM)(\s+)(\()(\w+)(\))`, ByGroups(Keyword, Text, Punctuation, NameVariable, Punctuation), nil},
+			{`(MODULE)(\s+)(\S+)(\s+)(INPUT|OUTPUT)`, ByGroups(Keyword, Text, NameFunction, Text, Keyword), nil},
+			{`(METHOD)(\s+)([\w~]+)`, ByGroups(Keyword, Text, NameFunction), nil},
+			{`(\s+)([\w\-]+)([=\-]>)([\w\-~]+)`, ByGroups(Text, NameVariable, Operator, NameFunction), nil},
+			{`(?<=(=|-)>)([\w\-~]+)(?=\()`, NameFunction, nil},
+			{`(TEXT)(-)(\d{3})`, ByGroups(Keyword, Punctuation, LiteralNumberInteger), nil},
+			{`(TEXT)(-)(\w{3})`, ByGroups(Keyword, Punctuation, NameVariable), nil},
+			{`(ADD-CORRESPONDING|AUTHORITY-CHECK|CLASS-DATA|CLASS-EVENTS|CLASS-METHODS|CLASS-POOL|DELETE-ADJACENT|DIVIDE-CORRESPONDING|EDITOR-CALL|ENHANCEMENT-POINT|ENHANCEMENT-SECTION|EXIT-COMMAND|FIELD-GROUPS|FIELD-SYMBOLS|FUNCTION-POOL|INTERFACE-POOL|INVERTED-DATE|LOAD-OF-PROGRAM|LOG-POINT|MESSAGE-ID|MOVE-CORRESPONDING|MULTIPLY-CORRESPONDING|NEW-LINE|NEW-PAGE|NEW-SECTION|NO-EXTENSION|OUTPUT-LENGTH|PRINT-CONTROL|SELECT-OPTIONS|START-OF-SELECTION|SUBTRACT-CORRESPONDING|SYNTAX-CHECK|SYSTEM-EXCEPTIONS|TYPE-POOL|TYPE-POOLS|NO-DISPLAY)\b`, Keyword, nil},
+			{`(?<![-\>])(CREATE\s+(PUBLIC|PRIVATE|DATA|OBJECT)|(PUBLIC|PRIVATE|PROTECTED)\s+SECTION|(TYPE|LIKE)\s+((LINE\s+OF|REF\s+TO|(SORTED|STANDARD|HASHED)\s+TABLE\s+OF))?|FROM\s+(DATABASE|MEMORY)|CALL\s+METHOD|(GROUP|ORDER) BY|HAVING|SEPARATED BY|GET\s+(BADI|BIT|CURSOR|DATASET|LOCALE|PARAMETER|PF-STATUS|(PROPERTY|REFERENCE)\s+OF|RUN\s+TIME|TIME\s+(STAMP)?)?|SET\s+(BIT|BLANK\s+LINES|COUNTRY|CURSOR|DATASET|EXTENDED\s+CHECK|HANDLER|HOLD\s+DATA|LANGUAGE|LEFT\s+SCROLL-BOUNDARY|LOCALE|MARGIN|PARAMETER|PF-STATUS|PROPERTY\s+OF|RUN\s+TIME\s+(ANALYZER|CLOCK\s+RESOLUTION)|SCREEN|TITLEBAR|UPADTE\s+TASK\s+LOCAL|USER-COMMAND)|CONVERT\s+((INVERTED-)?DATE|TIME|TIME\s+STAMP|TEXT)|(CLOSE|OPEN)\s+(DATASET|CURSOR)|(TO|FROM)\s+(DATA BUFFER|INTERNAL TABLE|MEMORY ID|DATABASE|SHARED\s+(MEMORY|BUFFER))|DESCRIBE\s+(DISTANCE\s+BETWEEN|FIELD|LIST|TABLE)|FREE\s(MEMORY|OBJECT)?|PROCESS\s+(BEFORE\s+OUTPUT|AFTER\s+INPUT|ON\s+(VALUE-REQUEST|HELP-REQUEST))|AT\s+(LINE-SELECTION|USER-COMMAND|END\s+OF|NEW)|AT\s+SELECTION-SCREEN(\s+(ON(\s+(BLOCK|(HELP|VALUE)-REQUEST\s+FOR|END\s+OF|RADIOBUTTON\s+GROUP))?|OUTPUT))?|SELECTION-SCREEN:?\s+((BEGIN|END)\s+OF\s+((TABBED\s+)?BLOCK|LINE|SCREEN)|COMMENT|FUNCTION\s+KEY|INCLUDE\s+BLOCKS|POSITION|PUSHBUTTON|SKIP|ULINE)|LEAVE\s+(LIST-PROCESSING|PROGRAM|SCREEN|TO LIST-PROCESSING|TO TRANSACTION)(ENDING|STARTING)\s+AT|FORMAT\s+(COLOR|INTENSIFIED|INVERSE|HOTSPOT|INPUT|FRAMES|RESET)|AS\s+(CHECKBOX|SUBSCREEN|WINDOW)|WITH\s+(((NON-)?UNIQUE)?\s+KEY|FRAME)|(BEGIN|END)\s+OF|DELETE(\s+ADJACENT\s+DUPLICATES\sFROM)?|COMPARING(\s+ALL\s+FIELDS)?|(INSERT|APPEND)(\s+INITIAL\s+LINE\s+(IN)?TO|\s+LINES\s+OF)?|IN\s+((BYTE|CHARACTER)\s+MODE|PROGRAM)|END-OF-(DEFINITION|PAGE|SELECTION)|WITH\s+FRAME(\s+TITLE)|(REPLACE|FIND)\s+((FIRST|ALL)\s+OCCURRENCES?\s+OF\s+)?(SUBSTRING|REGEX)?|MATCH\s+(LENGTH|COUNT|LINE|OFFSET)|(RESPECTING|IGNORING)\s+CASE|IN\s+UPDATE\s+TASK|(SOURCE|RESULT)\s+(XML)?|REFERENCE\s+INTO|AND\s+(MARK|RETURN)|CLIENT\s+SPECIFIED|CORRESPONDING\s+FIELDS\s+OF|IF\s+FOUND|FOR\s+EVENT|INHERITING\s+FROM|LEAVE\s+TO\s+SCREEN|LOOP\s+AT\s+(SCREEN)?|LOWER\s+CASE|MATCHCODE\s+OBJECT|MODIF\s+ID|MODIFY\s+SCREEN|NESTING\s+LEVEL|NO\s+INTERVALS|OF\s+STRUCTURE|RADIOBUTTON\s+GROUP|RANGE\s+OF|REF\s+TO|SUPPRESS DIALOG|TABLE\s+OF|UPPER\s+CASE|TRANSPORTING\s+NO\s+FIELDS|VALUE\s+CHECK|VISIBLE\s+LENGTH|HEADER\s+LINE|COMMON\s+PART)\b`, Keyword, nil},
+			{`(^|(?<=(\s|\.)))(ABBREVIATED|ABSTRACT|ADD|ALIASES|ALIGN|ALPHA|ASSERT|AS|ASSIGN(ING)?|AT(\s+FIRST)?|BACK|BLOCK|BREAK-POINT|CASE|CATCH|CHANGING|CHECK|CLASS|CLEAR|COLLECT|COLOR|COMMIT|CREATE|COMMUNICATION|COMPONENTS?|COMPUTE|CONCATENATE|CONDENSE|CONSTANTS|CONTEXTS|CONTINUE|CONTROLS|COUNTRY|CURRENCY|DATA|DATE|DECIMALS|DEFAULT|DEFINE|DEFINITION|DEFERRED|DEMAND|DETAIL|DIRECTORY|DIVIDE|DO|DUMMY|ELSE(IF)?|ENDAT|ENDCASE|ENDCATCH|ENDCLASS|ENDDO|ENDFORM|ENDFUNCTION|ENDIF|ENDINTERFACE|ENDLOOP|ENDMETHOD|ENDMODULE|ENDSELECT|ENDTRY|ENDWHILE|ENHANCEMENT|EVENTS|EXACT|EXCEPTIONS?|EXIT|EXPONENT|EXPORT|EXPORTING|EXTRACT|FETCH|FIELDS?|FOR|FORM|FORMAT|FREE|FROM|FUNCTION|HIDE|ID|IF|IMPORT|IMPLEMENTATION|IMPORTING|IN|INCLUDE|INCLUDING|INDEX|INFOTYPES|INITIALIZATION|INTERFACE|INTERFACES|INTO|LANGUAGE|LEAVE|LENGTH|LINES|LOAD|LOCAL|JOIN|KEY|NEXT|MAXIMUM|MESSAGE|METHOD[S]?|MINIMUM|MODULE|MODIFIER|MODIFY|MOVE|MULTIPLY|NODES|NUMBER|OBLIGATORY|OBJECT|OF|OFF|ON|OTHERS|OVERLAY|PACK|PAD|PARAMETERS|PERCENTAGE|POSITION|PROGRAM|PROVIDE|PUBLIC|PUT|PF\d\d|RAISE|RAISING|RANGES?|READ|RECEIVE|REDEFINITION|REFRESH|REJECT|REPORT|RESERVE|RESUME|RETRY|RETURN|RETURNING|RIGHT|ROLLBACK|REPLACE|SCROLL|SEARCH|SELECT|SHIFT|SIGN|SINGLE|SIZE|SKIP|SORT|SPLIT|STATICS|STOP|STYLE|SUBMATCHES|SUBMIT|SUBTRACT|SUM(?!\()|SUMMARY|SUMMING|SUPPLY|TABLE|TABLES|TIMESTAMP|TIMES?|TIMEZONE|TITLE|\??TO|TOP-OF-PAGE|TRANSFER|TRANSLATE|TRY|TYPES|ULINE|UNDER|UNPACK|UPDATE|USING|VALUE|VALUES|VIA|VARYING|VARY|WAIT|WHEN|WHERE|WIDTH|WHILE|WITH|WINDOW|WRITE|XSD|ZERO)\b`, Keyword, nil},
+			{`(abs|acos|asin|atan|boolc|boolx|bit_set|char_off|charlen|ceil|cmax|cmin|condense|contains|contains_any_of|contains_any_not_of|concat_lines_of|cos|cosh|count|count_any_of|count_any_not_of|dbmaxlen|distance|escape|exp|find|find_end|find_any_of|find_any_not_of|floor|frac|from_mixed|insert|lines|log|log10|match|matches|nmax|nmin|numofchar|repeat|replace|rescale|reverse|round|segment|shift_left|shift_right|sign|sin|sinh|sqrt|strlen|substring|substring_after|substring_from|substring_before|substring_to|tan|tanh|to_upper|to_lower|to_mixed|translate|trunc|xstrlen)(\()\b`, ByGroups(NameBuiltin, Punctuation), nil},
+			{`&[0-9]`, Name, nil},
+			{`[0-9]+`, LiteralNumberInteger, nil},
+			{`(?<=(\s|.))(AND|OR|EQ|NE|GT|LT|GE|LE|CO|CN|CA|NA|CS|NOT|NS|CP|NP|BYTE-CO|BYTE-CN|BYTE-CA|BYTE-NA|BYTE-CS|BYTE-NS|IS\s+(NOT\s+)?(INITIAL|ASSIGNED|REQUESTED|BOUND))\b`, OperatorWord, nil},
+			Include("variable-names"),
+			{`[?*<>=\-+&]`, Operator, nil},
+			{`'(''|[^'])*'`, LiteralStringSingle, nil},
+			{"`([^`])*`", LiteralStringSingle, nil},
+			{`([|}])([^{}|]*?)([|{])`, ByGroups(Punctuation, LiteralStringSingle, Punctuation), nil},
+			{`[/;:()\[\],.]`, Punctuation, nil},
+			{`(!)(\w+)`, ByGroups(Operator, Name), nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/abnf.go

@@ -0,0 +1,42 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Abnf lexer.
+var Abnf = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "ABNF",
+		Aliases:   []string{"abnf"},
+		Filenames: []string{"*.abnf"},
+		MimeTypes: []string{"text/x-abnf"},
+	},
+	abnfRules,
+))
+
+func abnfRules() Rules {
+	return Rules{
+		"root": {
+			{`;.*$`, CommentSingle, nil},
+			{`(%[si])?"[^"]*"`, Literal, nil},
+			{`%b[01]+\-[01]+\b`, Literal, nil},
+			{`%b[01]+(\.[01]+)*\b`, Literal, nil},
+			{`%d[0-9]+\-[0-9]+\b`, Literal, nil},
+			{`%d[0-9]+(\.[0-9]+)*\b`, Literal, nil},
+			{`%x[0-9a-fA-F]+\-[0-9a-fA-F]+\b`, Literal, nil},
+			{`%x[0-9a-fA-F]+(\.[0-9a-fA-F]+)*\b`, Literal, nil},
+			{`\b[0-9]+\*[0-9]+`, Operator, nil},
+			{`\b[0-9]+\*`, Operator, nil},
+			{`\b[0-9]+`, Operator, nil},
+			{`\*`, Operator, nil},
+			{Words(``, `\b`, `ALPHA`, `BIT`, `CHAR`, `CR`, `CRLF`, `CTL`, `DIGIT`, `DQUOTE`, `HEXDIG`, `HTAB`, `LF`, `LWSP`, `OCTET`, `SP`, `VCHAR`, `WSP`), Keyword, nil},
+			{`[a-zA-Z][a-zA-Z0-9-]+\b`, NameClass, nil},
+			{`(=/|=|/)`, Operator, nil},
+			{`[\[\]()]`, Punctuation, nil},
+			{`\s+`, Text, nil},
+			{`.`, Text, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/actionscript.go

@@ -0,0 +1,43 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Actionscript lexer.
+var Actionscript = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:         "ActionScript",
+		Aliases:      []string{"as", "actionscript"},
+		Filenames:    []string{"*.as"},
+		MimeTypes:    []string{"application/x-actionscript", "text/x-actionscript", "text/actionscript"},
+		NotMultiline: true,
+		DotAll:       true,
+	},
+	actionscriptRules,
+))
+
+func actionscriptRules() Rules {
+	return Rules{
+		"root": {
+			{`\s+`, Text, nil},
+			{`//.*?\n`, CommentSingle, nil},
+			{`/\*.*?\*/`, CommentMultiline, nil},
+			{`/(\\\\|\\/|[^/\n])*/[gim]*`, LiteralStringRegex, nil},
+			{`[~^*!%&<>|+=:;,/?\\-]+`, Operator, nil},
+			{`[{}\[\]();.]+`, Punctuation, nil},
+			{Words(``, `\b`, `case`, `default`, `for`, `each`, `in`, `while`, `do`, `break`, `return`, `continue`, `if`, `else`, `throw`, `try`, `catch`, `var`, `with`, `new`, `typeof`, `arguments`, `instanceof`, `this`, `switch`), Keyword, nil},
+			{Words(``, `\b`, `class`, `public`, `final`, `internal`, `native`, `override`, `private`, `protected`, `static`, `import`, `extends`, `implements`, `interface`, `intrinsic`, `return`, `super`, `dynamic`, `function`, `const`, `get`, `namespace`, `package`, `set`), KeywordDeclaration, nil},
+			{`(true|false|null|NaN|Infinity|-Infinity|undefined|Void)\b`, KeywordConstant, nil},
+			{Words(``, `\b`, `Accessibility`, `AccessibilityProperties`, `ActionScriptVersion`, `ActivityEvent`, `AntiAliasType`, `ApplicationDomain`, `AsBroadcaster`, `Array`, `AsyncErrorEvent`, `AVM1Movie`, `BevelFilter`, `Bitmap`, `BitmapData`, `BitmapDataChannel`, `BitmapFilter`, `BitmapFilterQuality`, `BitmapFilterType`, `BlendMode`, `BlurFilter`, `Boolean`, `ByteArray`, `Camera`, `Capabilities`, `CapsStyle`, `Class`, `Color`, `ColorMatrixFilter`, `ColorTransform`, `ContextMenu`, `ContextMenuBuiltInItems`, `ContextMenuEvent`, `ContextMenuItem`, `ConvultionFilter`, `CSMSettings`, `DataEvent`, `Date`, `DefinitionError`, `DeleteObjectSample`, `Dictionary`, `DisplacmentMapFilter`, `DisplayObject`, `DisplacmentMapFilterMode`, `DisplayObjectContainer`, `DropShadowFilter`, `Endian`, `EOFError`, `Error`, `ErrorEvent`, `EvalError`, `Event`, `EventDispatcher`, `EventPhase`, `ExternalInterface`, `FileFilter`, `FileReference`, `FileReferenceList`, `FocusDirection`, `FocusEvent`, `Font`, `FontStyle`, `FontType`, `FrameLabel`, `FullScreenEvent`, `Function`, `GlowFilter`, `GradientBevelFilter`, `GradientGlowFilter`, `GradientType`, `Graphics`, `GridFitType`, `HTTPStatusEvent`, `IBitmapDrawable`, `ID3Info`, `IDataInput`, `IDataOutput`, `IDynamicPropertyOutputIDynamicPropertyWriter`, `IEventDispatcher`, `IExternalizable`, `IllegalOperationError`, `IME`, `IMEConversionMode`, `IMEEvent`, `int`, `InteractiveObject`, `InterpolationMethod`, `InvalidSWFError`, `InvokeEvent`, `IOError`, `IOErrorEvent`, `JointStyle`, `Key`, `Keyboard`, `KeyboardEvent`, `KeyLocation`, `LineScaleMode`, `Loader`, `LoaderContext`, `LoaderInfo`, `LoadVars`, `LocalConnection`, `Locale`, `Math`, `Matrix`, `MemoryError`, `Microphone`, `MorphShape`, `Mouse`, `MouseEvent`, `MovieClip`, `MovieClipLoader`, `Namespace`, `NetConnection`, `NetStatusEvent`, `NetStream`, `NewObjectSample`, `Number`, `Object`, `ObjectEncoding`, `PixelSnapping`, `Point`, `PrintJob`, `PrintJobOptions`, `PrintJobOrientation`, `ProgressEvent`, `Proxy`, `QName`, `RangeError`, `Rectangle`, `ReferenceError`, `RegExp`, `Responder`, `Sample`, `Scene`, `ScriptTimeoutError`, `Security`, `SecurityDomain`, `SecurityError`, `SecurityErrorEvent`, `SecurityPanel`, `Selection`, `Shape`, `SharedObject`, `SharedObjectFlushStatus`, `SimpleButton`, `Socket`, `Sound`, `SoundChannel`, `SoundLoaderContext`, `SoundMixer`, `SoundTransform`, `SpreadMethod`, `Sprite`, `StackFrame`, `StackOverflowError`, `Stage`, `StageAlign`, `StageDisplayState`, `StageQuality`, `StageScaleMode`, `StaticText`, `StatusEvent`, `String`, `StyleSheet`, `SWFVersion`, `SyncEvent`, `SyntaxError`, `System`, `TextColorType`, `TextField`, `TextFieldAutoSize`, `TextFieldType`, `TextFormat`, `TextFormatAlign`, `TextLineMetrics`, `TextRenderer`, `TextSnapshot`, `Timer`, `TimerEvent`, `Transform`, `TypeError`, `uint`, `URIError`, `URLLoader`, `URLLoaderDataFormat`, `URLRequest`, `URLRequestHeader`, `URLRequestMethod`, `URLStream`, `URLVariabeles`, `VerifyError`, `Video`, `XML`, `XMLDocument`, `XMLList`, `XMLNode`, `XMLNodeType`, `XMLSocket`, `XMLUI`), NameBuiltin, nil},
+			{Words(``, `\b`, `decodeURI`, `decodeURIComponent`, `encodeURI`, `escape`, `eval`, `isFinite`, `isNaN`, `isXMLName`, `clearInterval`, `fscommand`, `getTimer`, `getURL`, `getVersion`, `parseFloat`, `parseInt`, `setInterval`, `trace`, `updateAfterEvent`, `unescape`), NameFunction, nil},
+			{`[$a-zA-Z_]\w*`, NameOther, nil},
+			{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
+			{`0x[0-9a-f]+`, LiteralNumberHex, nil},
+			{`[0-9]+`, LiteralNumberInteger, nil},
+			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+			{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/actionscript3.go

@@ -0,0 +1,60 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Actionscript 3 lexer.
+var Actionscript3 = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "ActionScript 3",
+		Aliases:   []string{"as3", "actionscript3"},
+		Filenames: []string{"*.as"},
+		MimeTypes: []string{"application/x-actionscript3", "text/x-actionscript3", "text/actionscript3"},
+		DotAll:    true,
+	},
+	actionscript3Rules,
+))
+
+func actionscript3Rules() Rules {
+	return Rules{
+		"root": {
+			{`\s+`, Text, nil},
+			{`(function\s+)([$a-zA-Z_]\w*)(\s*)(\()`, ByGroups(KeywordDeclaration, NameFunction, Text, Operator), Push("funcparams")},
+			{`(var|const)(\s+)([$a-zA-Z_]\w*)(\s*)(:)(\s*)([$a-zA-Z_]\w*(?:\.<\w+>)?)`, ByGroups(KeywordDeclaration, Text, Name, Text, Punctuation, Text, KeywordType), nil},
+			{`(import|package)(\s+)((?:[$a-zA-Z_]\w*|\.)+)(\s*)`, ByGroups(Keyword, Text, NameNamespace, Text), nil},
+			{`(new)(\s+)([$a-zA-Z_]\w*(?:\.<\w+>)?)(\s*)(\()`, ByGroups(Keyword, Text, KeywordType, Text, Operator), nil},
+			{`//.*?\n`, CommentSingle, nil},
+			{`/\*.*?\*/`, CommentMultiline, nil},
+			{`/(\\\\|\\/|[^\n])*/[gisx]*`, LiteralStringRegex, nil},
+			{`(\.)([$a-zA-Z_]\w*)`, ByGroups(Operator, NameAttribute), nil},
+			{`(case|default|for|each|in|while|do|break|return|continue|if|else|throw|try|catch|with|new|typeof|arguments|instanceof|this|switch|import|include|as|is)\b`, Keyword, nil},
+			{`(class|public|final|internal|native|override|private|protected|static|import|extends|implements|interface|intrinsic|return|super|dynamic|function|const|get|namespace|package|set)\b`, KeywordDeclaration, nil},
+			{`(true|false|null|NaN|Infinity|-Infinity|undefined|void)\b`, KeywordConstant, nil},
+			{`(decodeURI|decodeURIComponent|encodeURI|escape|eval|isFinite|isNaN|isXMLName|clearInterval|fscommand|getTimer|getURL|getVersion|isFinite|parseFloat|parseInt|setInterval|trace|updateAfterEvent|unescape)\b`, NameFunction, nil},
+			{`[$a-zA-Z_]\w*`, Name, nil},
+			{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
+			{`0x[0-9a-f]+`, LiteralNumberHex, nil},
+			{`[0-9]+`, LiteralNumberInteger, nil},
+			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+			{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
+			{`[~^*!%&<>|+=:;,/?\\{}\[\]().-]+`, Operator, nil},
+		},
+		"funcparams": {
+			{`\s+`, Text, nil},
+			{`(\s*)(\.\.\.)?([$a-zA-Z_]\w*)(\s*)(:)(\s*)([$a-zA-Z_]\w*(?:\.<\w+>)?|\*)(\s*)`, ByGroups(Text, Punctuation, Name, Text, Operator, Text, KeywordType, Text), Push("defval")},
+			{`\)`, Operator, Push("type")},
+		},
+		"type": {
+			{`(\s*)(:)(\s*)([$a-zA-Z_]\w*(?:\.<\w+>)?|\*)`, ByGroups(Text, Operator, Text, KeywordType), Pop(2)},
+			{`\s+`, Text, Pop(2)},
+			Default(Pop(2)),
+		},
+		"defval": {
+			{`(=)(\s*)([^(),]+)(\s*)(,?)`, ByGroups(Operator, Text, UsingSelf("root"), Text, Operator), Pop(1)},
+			{`,`, Operator, Pop(1)},
+			Default(Pop(1)),
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/ada.go

@@ -0,0 +1,118 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Ada lexer.
+var Ada = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "Ada",
+		Aliases:         []string{"ada", "ada95", "ada2005"},
+		Filenames:       []string{"*.adb", "*.ads", "*.ada"},
+		MimeTypes:       []string{"text/x-ada"},
+		CaseInsensitive: true,
+	},
+	adaRules,
+))
+
+func adaRules() Rules {
+	return Rules{
+		"root": {
+			{`[^\S\n]+`, Text, nil},
+			{`--.*?\n`, CommentSingle, nil},
+			{`[^\S\n]+`, Text, nil},
+			{`function|procedure|entry`, KeywordDeclaration, Push("subprogram")},
+			{`(subtype|type)(\s+)(\w+)`, ByGroups(KeywordDeclaration, Text, KeywordType), Push("type_def")},
+			{`task|protected`, KeywordDeclaration, nil},
+			{`(subtype)(\s+)`, ByGroups(KeywordDeclaration, Text), nil},
+			{`(end)(\s+)`, ByGroups(KeywordReserved, Text), Push("end")},
+			{`(pragma)(\s+)(\w+)`, ByGroups(KeywordReserved, Text, CommentPreproc), nil},
+			{`(true|false|null)\b`, KeywordConstant, nil},
+			{Words(``, `\b`, `Address`, `Byte`, `Boolean`, `Character`, `Controlled`, `Count`, `Cursor`, `Duration`, `File_Mode`, `File_Type`, `Float`, `Generator`, `Integer`, `Long_Float`, `Long_Integer`, `Long_Long_Float`, `Long_Long_Integer`, `Natural`, `Positive`, `Reference_Type`, `Short_Float`, `Short_Integer`, `Short_Short_Float`, `Short_Short_Integer`, `String`, `Wide_Character`, `Wide_String`), KeywordType, nil},
+			{`(and(\s+then)?|in|mod|not|or(\s+else)|rem)\b`, OperatorWord, nil},
+			{`generic|private`, KeywordDeclaration, nil},
+			{`package`, KeywordDeclaration, Push("package")},
+			{`array\b`, KeywordReserved, Push("array_def")},
+			{`(with|use)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
+			{`(\w+)(\s*)(:)(\s*)(constant)`, ByGroups(NameConstant, Text, Punctuation, Text, KeywordReserved), nil},
+			{`<<\w+>>`, NameLabel, nil},
+			{`(\w+)(\s*)(:)(\s*)(declare|begin|loop|for|while)`, ByGroups(NameLabel, Text, Punctuation, Text, KeywordReserved), nil},
+			{Words(`\b`, `\b`, `abort`, `abs`, `abstract`, `accept`, `access`, `aliased`, `all`, `array`, `at`, `begin`, `body`, `case`, `constant`, `declare`, `delay`, `delta`, `digits`, `do`, `else`, `elsif`, `end`, `entry`, `exception`, `exit`, `interface`, `for`, `goto`, `if`, `is`, `limited`, `loop`, `new`, `null`, `of`, `or`, `others`, `out`, `overriding`, `pragma`, `protected`, `raise`, `range`, `record`, `renames`, `requeue`, `return`, `reverse`, `select`, `separate`, `subtype`, `synchronized`, `task`, `tagged`, `terminate`, `then`, `type`, `until`, `when`, `while`, `xor`), KeywordReserved, nil},
+			{`"[^"]*"`, LiteralString, nil},
+			Include("attribute"),
+			Include("numbers"),
+			{`'[^']'`, LiteralStringChar, nil},
+			{`(\w+)(\s*|[(,])`, ByGroups(Name, UsingSelf("root")), nil},
+			{`(<>|=>|:=|[()|:;,.'])`, Punctuation, nil},
+			{`[*<>+=/&-]`, Operator, nil},
+			{`\n+`, Text, nil},
+		},
+		"numbers": {
+			{`[0-9_]+#[0-9a-f]+#`, LiteralNumberHex, nil},
+			{`[0-9_]+\.[0-9_]*`, LiteralNumberFloat, nil},
+			{`[0-9_]+`, LiteralNumberInteger, nil},
+		},
+		"attribute": {
+			{`(')(\w+)`, ByGroups(Punctuation, NameAttribute), nil},
+		},
+		"subprogram": {
+			{`\(`, Punctuation, Push("#pop", "formal_part")},
+			{`;`, Punctuation, Pop(1)},
+			{`is\b`, KeywordReserved, Pop(1)},
+			{`"[^"]+"|\w+`, NameFunction, nil},
+			Include("root"),
+		},
+		"end": {
+			{`(if|case|record|loop|select)`, KeywordReserved, nil},
+			{`"[^"]+"|[\w.]+`, NameFunction, nil},
+			{`\s+`, Text, nil},
+			{`;`, Punctuation, Pop(1)},
+		},
+		"type_def": {
+			{`;`, Punctuation, Pop(1)},
+			{`\(`, Punctuation, Push("formal_part")},
+			{`with|and|use`, KeywordReserved, nil},
+			{`array\b`, KeywordReserved, Push("#pop", "array_def")},
+			{`record\b`, KeywordReserved, Push("record_def")},
+			{`(null record)(;)`, ByGroups(KeywordReserved, Punctuation), Pop(1)},
+			Include("root"),
+		},
+		"array_def": {
+			{`;`, Punctuation, Pop(1)},
+			{`(\w+)(\s+)(range)`, ByGroups(KeywordType, Text, KeywordReserved), nil},
+			Include("root"),
+		},
+		"record_def": {
+			{`end record`, KeywordReserved, Pop(1)},
+			Include("root"),
+		},
+		"import": {
+			{`[\w.]+`, NameNamespace, Pop(1)},
+			Default(Pop(1)),
+		},
+		"formal_part": {
+			{`\)`, Punctuation, Pop(1)},
+			{`\w+`, NameVariable, nil},
+			{`,|:[^=]`, Punctuation, nil},
+			{`(in|not|null|out|access)\b`, KeywordReserved, nil},
+			Include("root"),
+		},
+		"package": {
+			{`body`, KeywordDeclaration, nil},
+			{`is\s+new|renames`, KeywordReserved, nil},
+			{`is`, KeywordReserved, Pop(1)},
+			{`;`, Punctuation, Pop(1)},
+			{`\(`, Punctuation, Push("package_instantiation")},
+			{`([\w.]+)`, NameClass, nil},
+			Include("root"),
+		},
+		"package_instantiation": {
+			{`("[^"]+"|\w+)(\s+)(=>)`, ByGroups(NameVariable, Text, Punctuation), nil},
+			{`[\w.\'"]`, Text, nil},
+			{`\)`, Punctuation, Pop(1)},
+			Include("root"),
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/al.go

@@ -0,0 +1,47 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Al lexer.
+var Al = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "AL",
+		Aliases:         []string{"al"},
+		Filenames:       []string{"*.al", "*.dal"},
+		MimeTypes:       []string{"text/x-al"},
+		DotAll:          true,
+		CaseInsensitive: true,
+	},
+	alRules,
+))
+
+// https://github.com/microsoft/AL/blob/master/grammar/alsyntax.tmlanguage
+func alRules() Rules {
+	return Rules{
+		"root": {
+			{`\s+`, TextWhitespace, nil},
+			{`(?s)\/\*.*?\\*\*\/`, CommentMultiline, nil},
+			{`(?s)//.*?\n`, CommentSingle, nil},
+			{`\"([^\"])*\"`, Text, nil},
+			{`'([^'])*'`, LiteralString, nil},
+			{`\b(?i:(ARRAY|ASSERTERROR|BEGIN|BREAK|CASE|DO|DOWNTO|ELSE|END|EVENT|EXIT|FOR|FOREACH|FUNCTION|IF|IMPLEMENTS|IN|INDATASET|INTERFACE|INTERNAL|LOCAL|OF|PROCEDURE|PROGRAM|PROTECTED|REPEAT|RUNONCLIENT|SECURITYFILTERING|SUPPRESSDISPOSE|TEMPORARY|THEN|TO|TRIGGER|UNTIL|VAR|WHILE|WITH|WITHEVENTS))\b`, Keyword, nil},
+			{`\b(?i:(AND|DIV|MOD|NOT|OR|XOR))\b`, OperatorWord, nil},
+			{`\b(?i:(AVERAGE|CONST|COUNT|EXIST|FIELD|FILTER|LOOKUP|MAX|MIN|ORDER|SORTING|SUM|TABLEDATA|UPPERLIMIT|WHERE|ASCENDING|DESCENDING))\b`, Keyword, nil},
+			{`\b(?i:(CODEUNIT|PAGE|PAGEEXTENSION|PAGECUSTOMIZATION|DOTNET|ENUM|ENUMEXTENSION|VALUE|QUERY|REPORT|TABLE|TABLEEXTENSION|XMLPORT|PROFILE|CONTROLADDIN|REPORTEXTENSION|INTERFACE|PERMISSIONSET|PERMISSIONSETEXTENSION|ENTITLEMENT))\b`, Keyword, nil},
+			{`\b(?i:(Action|Array|Automation|BigInteger|BigText|Blob|Boolean|Byte|Char|ClientType|Code|Codeunit|CompletionTriggerErrorLevel|ConnectionType|Database|DataClassification|DataScope|Date|DateFormula|DateTime|Decimal|DefaultLayout|Dialog|Dictionary|DotNet|DotNetAssembly|DotNetTypeDeclaration|Duration|Enum|ErrorInfo|ErrorType|ExecutionContext|ExecutionMode|FieldClass|FieldRef|FieldType|File|FilterPageBuilder|Guid|InStream|Integer|Joker|KeyRef|List|ModuleDependencyInfo|ModuleInfo|None|Notification|NotificationScope|ObjectType|Option|OutStream|Page|PageResult|Query|Record|RecordId|RecordRef|Report|ReportFormat|SecurityFilter|SecurityFiltering|Table|TableConnectionType|TableFilter|TestAction|TestField|TestFilterField|TestPage|TestPermissions|TestRequestPage|Text|TextBuilder|TextConst|TextEncoding|Time|TransactionModel|TransactionType|Variant|Verbosity|Version|XmlPort|HttpContent|HttpHeaders|HttpClient|HttpRequestMessage|HttpResponseMessage|JsonToken|JsonValue|JsonArray|JsonObject|View|Views|XmlAttribute|XmlAttributeCollection|XmlComment|XmlCData|XmlDeclaration|XmlDocument|XmlDocumentType|XmlElement|XmlNamespaceManager|XmlNameTable|XmlNode|XmlNodeList|XmlProcessingInstruction|XmlReadOptions|XmlText|XmlWriteOptions|WebServiceActionContext|WebServiceActionResultCode|SessionSettings))\b`, Keyword, nil},
+			{`\b([<>]=|<>|<|>)\b?`, Operator, nil},
+			{`\b(\-|\+|\/|\*)\b`, Operator, nil},
+			{`\s*(\:=|\+=|-=|\/=|\*=)\s*?`, Operator, nil},
+			{`\b(?i:(ADD|ADDFIRST|ADDLAST|ADDAFTER|ADDBEFORE|ACTION|ACTIONS|AREA|ASSEMBLY|CHARTPART|CUEGROUP|CUSTOMIZES|COLUMN|DATAITEM|DATASET|ELEMENTS|EXTENDS|FIELD|FIELDGROUP|FIELDATTRIBUTE|FIELDELEMENT|FIELDGROUPS|FIELDS|FILTER|FIXED|GRID|GROUP|MOVEAFTER|MOVEBEFORE|KEY|KEYS|LABEL|LABELS|LAYOUT|MODIFY|MOVEFIRST|MOVELAST|MOVEBEFORE|MOVEAFTER|PART|REPEATER|USERCONTROL|REQUESTPAGE|SCHEMA|SEPARATOR|SYSTEMPART|TABLEELEMENT|TEXTATTRIBUTE|TEXTELEMENT|TYPE))\b`, Keyword, nil},
+			{`\s*[(\.\.)&\|]\s*`, Operator, nil},
+			{`\b((0(x|X)[0-9a-fA-F]*)|(([0-9]+\.?[0-9]*)|(\.[0-9]+))((e|E)(\+|-)?[0-9]+)?)(L|l|UL|ul|u|U|F|f|ll|LL|ull|ULL)?\b`, LiteralNumber, nil},
+			{`[;:,]`, Punctuation, nil},
+			{`#[ \t]*(if|else|elif|endif|define|undef|region|endregion|pragma)\b.*?\n`, CommentPreproc, nil},
+			{`\w+`, Text, nil},
+			{`.`, Text, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/angular2.go

@@ -0,0 +1,46 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Angular2 lexer.
+var Angular2 = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Angular2",
+		Aliases:   []string{"ng2"},
+		Filenames: []string{},
+		MimeTypes: []string{},
+	},
+	angular2Rules,
+))
+
+func angular2Rules() Rules {
+	return Rules{
+		"root": {
+			{`[^{([*#]+`, Other, nil},
+			{`(\{\{)(\s*)`, ByGroups(CommentPreproc, Text), Push("ngExpression")},
+			{`([([]+)([\w:.-]+)([\])]+)(\s*)(=)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation, Text, Operator, Text), Push("attr")},
+			{`([([]+)([\w:.-]+)([\])]+)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation, Text), nil},
+			{`([*#])([\w:.-]+)(\s*)(=)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation, Operator), Push("attr")},
+			{`([*#])([\w:.-]+)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation), nil},
+		},
+		"ngExpression": {
+			{`\s+(\|\s+)?`, Text, nil},
+			{`\}\}`, CommentPreproc, Pop(1)},
+			{`:?(true|false)`, LiteralStringBoolean, nil},
+			{`:?"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+			{`:?'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
+			{`[0-9](\.[0-9]*)?(eE[+-][0-9])?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
+			{`[a-zA-Z][\w-]*(\(.*\))?`, NameVariable, nil},
+			{`\.[\w-]+(\(.*\))?`, NameVariable, nil},
+			{`(\?)(\s*)([^}\s]+)(\s*)(:)(\s*)([^}\s]+)(\s*)`, ByGroups(Operator, Text, LiteralString, Text, Operator, Text, LiteralString, Text), nil},
+		},
+		"attr": {
+			{`".*?"`, LiteralString, Pop(1)},
+			{`'.*?'`, LiteralString, Pop(1)},
+			{`[^\s>]+`, LiteralString, Pop(1)},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/antlr.go

@@ -0,0 +1,105 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// ANTLR lexer.
+var ANTLR = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "ANTLR",
+		Aliases:   []string{"antlr"},
+		Filenames: []string{},
+		MimeTypes: []string{},
+	},
+	antlrRules,
+))
+
+func antlrRules() Rules {
+	return Rules{
+		"whitespace": {
+			{`\s+`, TextWhitespace, nil},
+		},
+		"comments": {
+			{`//.*$`, Comment, nil},
+			{`/\*(.|\n)*?\*/`, Comment, nil},
+		},
+		"root": {
+			Include("whitespace"),
+			Include("comments"),
+			{`(lexer|parser|tree)?(\s*)(grammar\b)(\s*)([A-Za-z]\w*)(;)`, ByGroups(Keyword, TextWhitespace, Keyword, TextWhitespace, NameClass, Punctuation), nil},
+			{`options\b`, Keyword, Push("options")},
+			{`tokens\b`, Keyword, Push("tokens")},
+			{`(scope)(\s*)([A-Za-z]\w*)(\s*)(\{)`, ByGroups(Keyword, TextWhitespace, NameVariable, TextWhitespace, Punctuation), Push("action")},
+			{`(catch|finally)\b`, Keyword, Push("exception")},
+			{`(@[A-Za-z]\w*)(\s*)(::)?(\s*)([A-Za-z]\w*)(\s*)(\{)`, ByGroups(NameLabel, TextWhitespace, Punctuation, TextWhitespace, NameLabel, TextWhitespace, Punctuation), Push("action")},
+			{`((?:protected|private|public|fragment)\b)?(\s*)([A-Za-z]\w*)(!)?`, ByGroups(Keyword, TextWhitespace, NameLabel, Punctuation), Push("rule-alts", "rule-prelims")},
+		},
+		"exception": {
+			{`\n`, TextWhitespace, Pop(1)},
+			{`\s`, TextWhitespace, nil},
+			Include("comments"),
+			{`\[`, Punctuation, Push("nested-arg-action")},
+			{`\{`, Punctuation, Push("action")},
+		},
+		"rule-prelims": {
+			Include("whitespace"),
+			Include("comments"),
+			{`returns\b`, Keyword, nil},
+			{`\[`, Punctuation, Push("nested-arg-action")},
+			{`\{`, Punctuation, Push("action")},
+			{`(throws)(\s+)([A-Za-z]\w*)`, ByGroups(Keyword, TextWhitespace, NameLabel), nil},
+			{`(,)(\s*)([A-Za-z]\w*)`, ByGroups(Punctuation, TextWhitespace, NameLabel), nil},
+			{`options\b`, Keyword, Push("options")},
+			{`(scope)(\s+)(\{)`, ByGroups(Keyword, TextWhitespace, Punctuation), Push("action")},
+			{`(scope)(\s+)([A-Za-z]\w*)(\s*)(;)`, ByGroups(Keyword, TextWhitespace, NameLabel, TextWhitespace, Punctuation), nil},
+			{`(@[A-Za-z]\w*)(\s*)(\{)`, ByGroups(NameLabel, TextWhitespace, Punctuation), Push("action")},
+			{`:`, Punctuation, Pop(1)},
+		},
+		"rule-alts": {
+			Include("whitespace"),
+			Include("comments"),
+			{`options\b`, Keyword, Push("options")},
+			{`:`, Punctuation, nil},
+			{`'(\\\\|\\'|[^'])*'`, LiteralString, nil},
+			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
+			{`<<([^>]|>[^>])>>`, LiteralString, nil},
+			{`\$?[A-Z_]\w*`, NameConstant, nil},
+			{`\$?[a-z_]\w*`, NameVariable, nil},
+			{`(\+|\||->|=>|=|\(|\)|\.\.|\.|\?|\*|\^|!|\#|~)`, Operator, nil},
+			{`,`, Punctuation, nil},
+			{`\[`, Punctuation, Push("nested-arg-action")},
+			{`\{`, Punctuation, Push("action")},
+			{`;`, Punctuation, Pop(1)},
+		},
+		"tokens": {
+			Include("whitespace"),
+			Include("comments"),
+			{`\{`, Punctuation, nil},
+			{`([A-Z]\w*)(\s*)(=)?(\s*)(\'(?:\\\\|\\\'|[^\']*)\')?(\s*)(;)`, ByGroups(NameLabel, TextWhitespace, Punctuation, TextWhitespace, LiteralString, TextWhitespace, Punctuation), nil},
+			{`\}`, Punctuation, Pop(1)},
+		},
+		"options": {
+			Include("whitespace"),
+			Include("comments"),
+			{`\{`, Punctuation, nil},
+			{`([A-Za-z]\w*)(\s*)(=)(\s*)([A-Za-z]\w*|\'(?:\\\\|\\\'|[^\']*)\'|[0-9]+|\*)(\s*)(;)`, ByGroups(NameVariable, TextWhitespace, Punctuation, TextWhitespace, Text, TextWhitespace, Punctuation), nil},
+			{`\}`, Punctuation, Pop(1)},
+		},
+		"action": {
+			{`([^${}\'"/\\]+|"(\\\\|\\"|[^"])*"|'(\\\\|\\'|[^'])*'|//.*$\n?|/\*(.|\n)*?\*/|/(?!\*)(\\\\|\\/|[^/])*/|\\(?!%)|/)+`, Other, nil},
+			{`(\\)(%)`, ByGroups(Punctuation, Other), nil},
+			{`(\$[a-zA-Z]+)(\.?)(text|value)?`, ByGroups(NameVariable, Punctuation, NameProperty), nil},
+			{`\{`, Punctuation, Push()},
+			{`\}`, Punctuation, Pop(1)},
+		},
+		"nested-arg-action": {
+			{`([^$\[\]\'"/]+|"(\\\\|\\"|[^"])*"|'(\\\\|\\'|[^'])*'|//.*$\n?|/\*(.|\n)*?\*/|/(?!\*)(\\\\|\\/|[^/])*/|/)+`, Other, nil},
+			{`\[`, Punctuation, Push()},
+			{`\]`, Punctuation, Pop(1)},
+			{`(\$[a-zA-Z]+)(\.?)(text|value)?`, ByGroups(NameVariable, Punctuation, NameProperty), nil},
+			{`(\\\\|\\\]|\\\[|[^\[\]])+`, Other, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/apache.go

@@ -0,0 +1,42 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Apacheconf lexer.
+var Apacheconf = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "ApacheConf",
+		Aliases:         []string{"apacheconf", "aconf", "apache"},
+		Filenames:       []string{".htaccess", "apache.conf", "apache2.conf"},
+		MimeTypes:       []string{"text/x-apacheconf"},
+		CaseInsensitive: true,
+	},
+	apacheconfRules,
+))
+
+func apacheconfRules() Rules {
+	return Rules{
+		"root": {
+			{`\s+`, Text, nil},
+			{`(#.*?)$`, Comment, nil},
+			{`(<[^\s>]+)(?:(\s+)(.*?))?(>)`, ByGroups(NameTag, Text, LiteralString, NameTag), nil},
+			{`([a-z]\w*)(\s+)`, ByGroups(NameBuiltin, Text), Push("value")},
+			{`\.+`, Text, nil},
+		},
+		"value": {
+			{`\\\n`, Text, nil},
+			{`$`, Text, Pop(1)},
+			{`\\`, Text, nil},
+			{`[^\S\n]+`, Text, nil},
+			{`\d+\.\d+\.\d+\.\d+(?:/\d+)?`, LiteralNumber, nil},
+			{`\d+`, LiteralNumber, nil},
+			{`/([a-z0-9][\w./-]+)`, LiteralStringOther, nil},
+			{`(on|off|none|any|all|double|email|dns|min|minimal|os|productonly|full|emerg|alert|crit|error|warn|notice|info|debug|registry|script|inetd|standalone|user|group)\b`, Keyword, nil},
+			{`"([^"\\]*(?:\\.[^"\\]*)*)"`, LiteralStringDouble, nil},
+			{`[^\s"\\]+`, Text, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/apl.go

@@ -0,0 +1,40 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Apl lexer.
+var Apl = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "APL",
+		Aliases:   []string{"apl"},
+		Filenames: []string{"*.apl"},
+		MimeTypes: []string{},
+	},
+	aplRules,
+))
+
+func aplRules() Rules {
+	return Rules{
+		"root": {
+			{`\s+`, Text, nil},
+			{`[⍝#].*$`, CommentSingle, nil},
+			{`\'((\'\')|[^\'])*\'`, LiteralStringSingle, nil},
+			{`"(("")|[^"])*"`, LiteralStringDouble, nil},
+			{`[⋄◇()]`, Punctuation, nil},
+			{`[\[\];]`, LiteralStringRegex, nil},
+			{`⎕[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*`, NameFunction, nil},
+			{`[A-Za-zΔ∆⍙_][A-Za-zΔ∆⍙_¯0-9]*`, NameVariable, nil},
+			{`¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞)([Jj]¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞))?`, LiteralNumber, nil},
+			{`[\.\\/⌿⍀¨⍣⍨⍠⍤∘⍥@⌺⌶⍢]`, NameAttribute, nil},
+			{`[+\-×÷⌈⌊∣|⍳?*⍟○!⌹<≤=>≥≠≡≢∊⍷∪∩~∨∧⍱⍲⍴,⍪⌽⊖⍉↑↓⊂⊃⌷⍋⍒⊤⊥⍕⍎⊣⊢⍁⍂≈⌸⍯↗⊆⍸]`, Operator, nil},
+			{`⍬`, NameConstant, nil},
+			{`[⎕⍞]`, NameVariableGlobal, nil},
+			{`[←→]`, KeywordDeclaration, nil},
+			{`[⍺⍵⍶⍹∇:]`, NameBuiltinPseudo, nil},
+			{`[{}]`, KeywordType, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/applescript.go

@@ -0,0 +1,59 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Applescript lexer.
+var Applescript = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "AppleScript",
+		Aliases:   []string{"applescript"},
+		Filenames: []string{"*.applescript"},
+		MimeTypes: []string{},
+		DotAll:    true,
+	},
+	applescriptRules,
+))
+
+func applescriptRules() Rules {
+	return Rules{
+		"root": {
+			{`\s+`, Text, nil},
+			{`¬\n`, LiteralStringEscape, nil},
+			{`'s\s+`, Text, nil},
+			{`(--|#).*?$`, Comment, nil},
+			{`\(\*`, CommentMultiline, Push("comment")},
+			{`[(){}!,.:]`, Punctuation, nil},
+			{`(«)([^»]+)(»)`, ByGroups(Text, NameBuiltin, Text), nil},
+			{`\b((?:considering|ignoring)\s*)(application responses|case|diacriticals|hyphens|numeric strings|punctuation|white space)`, ByGroups(Keyword, NameBuiltin), nil},
+			{`(-|\*|\+|&|≠|>=?|<=?|=|≥|≤|/|÷|\^)`, Operator, nil},
+			{`\b(and|or|is equal|equals|(is )?equal to|is not|isn't|isn't equal( to)?|is not equal( to)?|doesn't equal|does not equal|(is )?greater than|comes after|is not less than or equal( to)?|isn't less than or equal( to)?|(is )?less than|comes before|is not greater than or equal( to)?|isn't greater than or equal( to)?|(is  )?greater than or equal( to)?|is not less than|isn't less than|does not come before|doesn't come before|(is )?less than or equal( to)?|is not greater than|isn't greater than|does not come after|doesn't come after|starts? with|begins? with|ends? with|contains?|does not contain|doesn't contain|is in|is contained by|is not in|is not contained by|isn't contained by|div|mod|not|(a  )?(ref( to)?|reference to)|is|does)\b`, OperatorWord, nil},
+			{`^(\s*(?:on|end)\s+)(zoomed|write to file|will zoom|will show|will select tab view item|will resize( sub views)?|will resign active|will quit|will pop up|will open|will move|will miniaturize|will hide|will finish launching|will display outline cell|will display item cell|will display cell|will display browser cell|will dismiss|will close|will become active|was miniaturized|was hidden|update toolbar item|update parameters|update menu item|shown|should zoom|should selection change|should select tab view item|should select row|should select item|should select column|should quit( after last window closed)?|should open( untitled)?|should expand item|should end editing|should collapse item|should close|should begin editing|selection changing|selection changed|selected tab view item|scroll wheel|rows changed|right mouse up|right mouse dragged|right mouse down|resized( sub views)?|resigned main|resigned key|resigned active|read from file|prepare table drop|prepare table drag|prepare outline drop|prepare outline drag|prepare drop|plugin loaded|parameters updated|panel ended|opened|open untitled|number of rows|number of items|number of browser rows|moved|mouse up|mouse moved|mouse exited|mouse entered|mouse dragged|mouse down|miniaturized|load data representation|launched|keyboard up|keyboard down|items changed|item value changed|item value|item expandable|idle|exposed|end editing|drop|drag( (entered|exited|updated))?|double clicked|document nib name|dialog ended|deminiaturized|data representation|conclude drop|column resized|column moved|column clicked|closed|clicked toolbar item|clicked|choose menu item|child of item|changed|change item value|change cell value|cell value changed|cell value|bounds changed|begin editing|became main|became key|awake from nib|alert ended|activated|action|accept table drop|accept outline drop)`, ByGroups(Keyword, NameFunction), nil},
+			{`^(\s*)(in|on|script|to)(\s+)`, ByGroups(Text, Keyword, Text), nil},
+			{`\b(as )(alias |application |boolean |class |constant |date |file |integer |list |number |POSIX file |real |record |reference |RGB color |script |text |unit types|(?:Unicode )?text|string)\b`, ByGroups(Keyword, NameClass), nil},
+			{`\b(AppleScript|current application|false|linefeed|missing value|pi|quote|result|return|space|tab|text item delimiters|true|version)\b`, NameConstant, nil},
+			{`\b(ASCII (character|number)|activate|beep|choose URL|choose application|choose color|choose file( name)?|choose folder|choose from list|choose remote application|clipboard info|close( access)?|copy|count|current date|delay|delete|display (alert|dialog)|do shell script|duplicate|exists|get eof|get volume settings|info for|launch|list (disks|folder)|load script|log|make|mount volume|new|offset|open( (for access|location))?|path to|print|quit|random number|read|round|run( script)?|say|scripting components|set (eof|the clipboard to|volume)|store script|summarize|system attribute|system info|the clipboard|time to GMT|write|quoted form)\b`, NameBuiltin, nil},
+			{`\b(considering|else|error|exit|from|if|ignoring|in|repeat|tell|then|times|to|try|until|using terms from|while|with|with timeout( of)?|with transaction|by|continue|end|its?|me|my|return|of|as)\b`, Keyword, nil},
+			{`\b(global|local|prop(erty)?|set|get)\b`, Keyword, nil},
+			{`\b(but|put|returning|the)\b`, NameBuiltin, nil},
+			{`\b(attachment|attribute run|character|day|month|paragraph|word|year)s?\b`, NameBuiltin, nil},
+			{`\b(about|above|against|apart from|around|aside from|at|below|beneath|beside|between|for|given|instead of|on|onto|out of|over|since)\b`, NameBuiltin, nil},
+			{`\b(accepts arrow key|action method|active|alignment|allowed identifiers|allows branch selection|allows column reordering|allows column resizing|allows column selection|allows customization|allows editing text attributes|allows empty selection|allows mixed state|allows multiple selection|allows reordering|allows undo|alpha( value)?|alternate image|alternate increment value|alternate title|animation delay|associated file name|associated object|auto completes|auto display|auto enables items|auto repeat|auto resizes( outline column)?|auto save expanded items|auto save name|auto save table columns|auto saves configuration|auto scroll|auto sizes all columns to fit|auto sizes cells|background color|bezel state|bezel style|bezeled|border rect|border type|bordered|bounds( rotation)?|box type|button returned|button type|can choose directories|can choose files|can draw|can hide|cell( (background color|size|type))?|characters|class|click count|clicked( data)? column|clicked data item|clicked( data)? row|closeable|collating|color( (mode|panel))|command key down|configuration|content(s| (size|view( margins)?))?|context|continuous|control key down|control size|control tint|control view|controller visible|coordinate system|copies( on scroll)?|corner view|current cell|current column|current( field)?  editor|current( menu)? item|current row|current tab view item|data source|default identifiers|delta (x|y|z)|destination window|directory|display mode|displayed cell|document( (edited|rect|view))?|double value|dragged column|dragged distance|dragged items|draws( cell)? background|draws grid|dynamically scrolls|echos bullets|edge|editable|edited( data)? column|edited data item|edited( data)? row|enabled|enclosing scroll view|ending page|error handling|event number|event type|excluded from windows menu|executable path|expanded|fax number|field editor|file kind|file name|file type|first responder|first visible column|flipped|floating|font( panel)?|formatter|frameworks path|frontmost|gave up|grid color|has data items|has horizontal ruler|has horizontal scroller|has parent data item|has resize indicator|has shadow|has sub menu|has vertical ruler|has vertical scroller|header cell|header view|hidden|hides when deactivated|highlights by|horizontal line scroll|horizontal page scroll|horizontal ruler view|horizontally resizable|icon image|id|identifier|ignores multiple clicks|image( (alignment|dims when disabled|frame style|scaling))?|imports graphics|increment value|indentation per level|indeterminate|index|integer value|intercell spacing|item height|key( (code|equivalent( modifier)?|window))?|knob thickness|label|last( visible)? column|leading offset|leaf|level|line scroll|loaded|localized sort|location|loop mode|main( (bunde|menu|window))?|marker follows cell|matrix mode|maximum( content)? size|maximum visible columns|menu( form representation)?|miniaturizable|miniaturized|minimized image|minimized title|minimum column width|minimum( content)? size|modal|modified|mouse down state|movie( (controller|file|rect))?|muted|name|needs display|next state|next text|number of tick marks|only tick mark values|opaque|open panel|option key down|outline table column|page scroll|pages across|pages down|palette label|pane splitter|parent data item|parent window|pasteboard|path( (names|separator))?|playing|plays every frame|plays selection only|position|preferred edge|preferred type|pressure|previous text|prompt|properties|prototype cell|pulls down|rate|released when closed|repeated|requested print time|required file type|resizable|resized column|resource path|returns records|reuses columns|rich text|roll over|row height|rulers visible|save panel|scripts path|scrollable|selectable( identifiers)?|selected cell|selected( data)? columns?|selected data items?|selected( data)? rows?|selected item identifier|selection by rect|send action on arrow key|sends action when done editing|separates columns|separator item|sequence number|services menu|shared frameworks path|shared support path|sheet|shift key down|shows alpha|shows state by|size( mode)?|smart insert delete enabled|sort case sensitivity|sort column|sort order|sort type|sorted( data rows)?|sound|source( mask)?|spell checking enabled|starting page|state|string value|sub menu|super menu|super view|tab key traverses cells|tab state|tab type|tab view|table view|tag|target( printer)?|text color|text container insert|text container origin|text returned|tick mark position|time stamp|title(d| (cell|font|height|position|rect))?|tool tip|toolbar|trailing offset|transparent|treat packages as directories|truncated labels|types|unmodified characters|update views|use sort indicator|user defaults|uses data source|uses ruler|uses threaded animation|uses title from previous column|value wraps|version|vertical( (line scroll|page scroll|ruler view))?|vertically resizable|view|visible( document rect)?|volume|width|window|windows menu|wraps|zoomable|zoomed)\b`, NameAttribute, nil},
+			{`\b(action cell|alert reply|application|box|browser( cell)?|bundle|button( cell)?|cell|clip view|color well|color-panel|combo box( item)?|control|data( (cell|column|item|row|source))?|default entry|dialog reply|document|drag info|drawer|event|font(-panel)?|formatter|image( (cell|view))?|matrix|menu( item)?|item|movie( view)?|open-panel|outline view|panel|pasteboard|plugin|popup button|progress indicator|responder|save-panel|scroll view|secure text field( cell)?|slider|sound|split view|stepper|tab view( item)?|table( (column|header cell|header view|view))|text( (field( cell)?|view))?|toolbar( item)?|user-defaults|view|window)s?\b`, NameBuiltin, nil},
+			{`\b(animate|append|call method|center|close drawer|close panel|display|display alert|display dialog|display panel|go|hide|highlight|increment|item for|load image|load movie|load nib|load panel|load sound|localized string|lock focus|log|open drawer|path for|pause|perform action|play|register|resume|scroll|select( all)?|show|size to fit|start|step back|step forward|stop|synchronize|unlock focus|update)\b`, NameBuiltin, nil},
+			{`\b((in )?back of|(in )?front of|[0-9]+(st|nd|rd|th)|first|second|third|fourth|fifth|sixth|seventh|eighth|ninth|tenth|after|back|before|behind|every|front|index|last|middle|some|that|through|thru|where|whose)\b`, NameBuiltin, nil},
+			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+			{`\b([a-zA-Z]\w*)\b`, NameVariable, nil},
+			{`[-+]?(\d+\.\d*|\d*\.\d+)(E[-+][0-9]+)?`, LiteralNumberFloat, nil},
+			{`[-+]?\d+`, LiteralNumberInteger, nil},
+		},
+		"comment": {
+			{`\(\*`, CommentMultiline, Push()},
+			{`\*\)`, CommentMultiline, Pop(1)},
+			{`[^*(]+`, CommentMultiline, nil},
+			{`[*(]`, CommentMultiline, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/arduino.go

@@ -0,0 +1,114 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Arduino lexer.
+var Arduino = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Arduino",
+		Aliases:   []string{"arduino"},
+		Filenames: []string{"*.ino"},
+		MimeTypes: []string{"text/x-arduino"},
+		EnsureNL:  true,
+	},
+	arduinoRules,
+))
+
+func arduinoRules() Rules {
+	return Rules{
+		"statements": {
+			{Words(``, `\b`, `catch`, `const_cast`, `delete`, `dynamic_cast`, `explicit`, `export`, `friend`, `mutable`, `namespace`, `new`, `operator`, `private`, `protected`, `public`, `reinterpret_cast`, `restrict`, `static_cast`, `template`, `this`, `throw`, `throws`, `try`, `typeid`, `typename`, `using`, `virtual`, `constexpr`, `nullptr`, `decltype`, `thread_local`, `alignas`, `alignof`, `static_assert`, `noexcept`, `override`, `final`), Keyword, nil},
+			{`char(16_t|32_t)\b`, KeywordType, nil},
+			{`(class)\b`, ByGroups(Keyword, Text), Push("classname")},
+			{`(R)(")([^\\()\s]{,16})(\()((?:.|\n)*?)(\)\3)(")`, ByGroups(LiteralStringAffix, LiteralString, LiteralStringDelimiter, LiteralStringDelimiter, LiteralString, LiteralStringDelimiter, LiteralString), nil},
+			{`(u8|u|U)(")`, ByGroups(LiteralStringAffix, LiteralString), Push("string")},
+			{`(L?)(")`, ByGroups(LiteralStringAffix, LiteralString), Push("string")},
+			{`(L?)(')(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])(')`, ByGroups(LiteralStringAffix, LiteralStringChar, LiteralStringChar, LiteralStringChar), nil},
+			{`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
+			{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
+			{`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
+			{`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
+			{`\d+[LlUu]*`, LiteralNumberInteger, nil},
+			{`\*/`, Error, nil},
+			{`[~!%^&*+=|?:<>/-]`, Operator, nil},
+			{`[()\[\],.]`, Punctuation, nil},
+			{Words(``, `\b`, `asm`, `auto`, `break`, `case`, `const`, `continue`, `default`, `do`, `else`, `enum`, `extern`, `for`, `goto`, `if`, `register`, `restricted`, `return`, `sizeof`, `static`, `struct`, `switch`, `typedef`, `union`, `volatile`, `while`), Keyword, nil},
+			{`(_Bool|_Complex|_Imaginary|array|atomic_bool|atomic_char|atomic_int|atomic_llong|atomic_long|atomic_schar|atomic_short|atomic_uchar|atomic_uint|atomic_ullong|atomic_ulong|atomic_ushort|auto|bool|boolean|BooleanVariables|Byte|byte|Char|char|char16_t|char32_t|class|complex|Const|const|const_cast|delete|double|dynamic_cast|enum|explicit|extern|Float|float|friend|inline|Int|int|int16_t|int32_t|int64_t|int8_t|Long|long|new|NULL|null|operator|private|PROGMEM|protected|public|register|reinterpret_cast|short|signed|sizeof|Static|static|static_cast|String|struct|typedef|uint16_t|uint32_t|uint64_t|uint8_t|union|unsigned|virtual|Void|void|Volatile|volatile|word)\b`, KeywordType, nil},
+			// Start of: Arduino-specific syntax
+			{`(and|final|If|Loop|loop|not|or|override|setup|Setup|throw|try|xor)\b`, Keyword, nil}, // Addition to keywords already defined by C++
+			{`(ANALOG_MESSAGE|BIN|CHANGE|DEC|DEFAULT|DIGITAL_MESSAGE|EXTERNAL|FALLING|FIRMATA_STRING|HALF_PI|HEX|HIGH|INPUT|INPUT_PULLUP|INTERNAL|INTERNAL1V1|INTERNAL1V1|INTERNAL2V56|INTERNAL2V56|LED_BUILTIN|LED_BUILTIN_RX|LED_BUILTIN_TX|LOW|LSBFIRST|MSBFIRST|OCT|OUTPUT|PI|REPORT_ANALOG|REPORT_DIGITAL|RISING|SET_PIN_MODE|SYSEX_START|SYSTEM_RESET|TWO_PI)\b`, KeywordConstant, nil},
+			{`(boolean|const|byte|word|string|String|array)\b`, NameVariable, nil},
+			{`(Keyboard|KeyboardController|MouseController|SoftwareSerial|EthernetServer|EthernetClient|LiquidCrystal|RobotControl|GSMVoiceCall|EthernetUDP|EsploraTFT|HttpClient|RobotMotor|WiFiClient|GSMScanner|FileSystem|Scheduler|GSMServer|YunClient|YunServer|IPAddress|GSMClient|GSMModem|Keyboard|Ethernet|Console|GSMBand|Esplora|Stepper|Process|WiFiUDP|GSM_SMS|Mailbox|USBHost|Firmata|PImage|Client|Server|GSMPIN|FileIO|Bridge|Serial|EEPROM|Stream|Mouse|Audio|Servo|File|Task|GPRS|WiFi|Wire|TFT|GSM|SPI|SD)\b`, NameClass, nil},
+			{`(abs|Abs|accept|ACos|acos|acosf|addParameter|analogRead|AnalogRead|analogReadResolution|AnalogReadResolution|analogReference|AnalogReference|analogWrite|AnalogWrite|analogWriteResolution|AnalogWriteResolution|answerCall|asin|ASin|asinf|atan|ATan|atan2|ATan2|atan2f|atanf|attach|attached|attachGPRS|attachInterrupt|AttachInterrupt|autoscroll|available|availableForWrite|background|beep|begin|beginPacket|beginSD|beginSMS|beginSpeaker|beginTFT|beginTransmission|beginWrite|bit|Bit|BitClear|bitClear|bitRead|BitRead|bitSet|BitSet|BitWrite|bitWrite|blink|blinkVersion|BSSID|buffer|byte|cbrt|cbrtf|Ceil|ceil|ceilf|changePIN|char|charAt|checkPIN|checkPUK|checkReg|circle|cityNameRead|cityNameWrite|clear|clearScreen|click|close|compareTo|compassRead|concat|config|connect|connected|constrain|Constrain|copysign|copysignf|cos|Cos|cosf|cosh|coshf|countryNameRead|countryNameWrite|createChar|cursor|debugPrint|degrees|Delay|delay|DelayMicroseconds|delayMicroseconds|detach|DetachInterrupt|detachInterrupt|DigitalPinToInterrupt|digitalPinToInterrupt|DigitalRead|digitalRead|DigitalWrite|digitalWrite|disconnect|display|displayLogos|drawBMP|drawCompass|encryptionType|end|endPacket|endSMS|endsWith|endTransmission|endWrite|equals|equalsIgnoreCase|exists|exitValue|Exp|exp|expf|fabs|fabsf|fdim|fdimf|fill|find|findUntil|float|floor|Floor|floorf|flush|fma|fmaf|fmax|fmaxf|fmin|fminf|fmod|fmodf|gatewayIP|get|getAsynchronously|getBand|getButton|getBytes|getCurrentCarrier|getIMEI|getKey|getModifiers|getOemKey|getPINUsed|getResult|getSignalStrength|getSocket|getVoiceCallStatus|getXChange|getYChange|hangCall|height|highByte|HighByte|home|hypot|hypotf|image|indexOf|int|interrupts|IPAddress|IRread|isActionDone|isAlpha|isAlphaNumeric|isAscii|isControl|isDigit|isDirectory|isfinite|isGraph|isHexadecimalDigit|isinf|isListening|isLowerCase|isnan|isPIN|isPressed|isPrintable|isPunct|isSpace|isUpperCase|isValid|isWhitespace|keyboardRead|keyPressed|keyReleased|knobRead|lastIndexOf|ldexp|ldexpf|leftToRight|length|line|lineFollowConfig|listen|listenOnLocalhost|loadImage|localIP|log|Log|log10|log10f|logf|long|lowByte|LowByte|lrint|lrintf|lround|lroundf|macAddress|maintain|map|Map|Max|max|messageAvailable|Micros|micros|millis|Millis|Min|min|mkdir|motorsStop|motorsWrite|mouseDragged|mouseMoved|mousePressed|mouseReleased|move|noAutoscroll|noBlink|noBuffer|noCursor|noDisplay|noFill|noInterrupts|NoInterrupts|noListenOnLocalhost|noStroke|noTone|NoTone|onReceive|onRequest|open|openNextFile|overflow|parseCommand|parseFloat|parseInt|parsePacket|pauseMode|peek|PinMode|pinMode|playFile|playMelody|point|pointTo|position|Pow|pow|powf|prepare|press|print|printFirmwareVersion|println|printVersion|process|processInput|PulseIn|pulseIn|pulseInLong|PulseInLong|put|radians|random|Random|randomSeed|RandomSeed|read|readAccelerometer|readBlue|readButton|readBytes|readBytesUntil|readGreen|readJoystickButton|readJoystickSwitch|readJoystickX|readJoystickY|readLightSensor|readMessage|readMicrophone|readNetworks|readRed|readSlider|readString|readStringUntil|readTemperature|ready|rect|release|releaseAll|remoteIP|remoteNumber|remotePort|remove|replace|requestFrom|retrieveCallingNumber|rewindDirectory|rightToLeft|rmdir|robotNameRead|robotNameWrite|round|roundf|RSSI|run|runAsynchronously|running|runShellCommand|runShellCommandAsynchronously|scanNetworks|scrollDisplayLeft|scrollDisplayRight|seek|sendAnalog|sendDigitalPortPair|sendDigitalPorts|sendString|sendSysex|Serial_Available|Serial_Begin|Serial_End|Serial_Flush|Serial_Peek|Serial_Print|Serial_Println|Serial_Read|serialEvent|setBand|setBitOrder|setCharAt|setClockDivider|setCursor|setDataMode|setDNS|setFirmwareVersion|setMode|setPINUsed|setSpeed|setTextSize|setTimeout|ShiftIn|shiftIn|ShiftOut|shiftOut|shutdown|signbit|sin|Sin|sinf|sinh|sinhf|size|sizeof|Sq|sq|Sqrt|sqrt|sqrtf|SSID|startLoop|startsWith|step|stop|stroke|subnetMask|substring|switchPIN|tan|Tan|tanf|tanh|tanhf|tempoWrite|text|toCharArray|toInt|toLowerCase|tone|Tone|toUpperCase|transfer|trim|trunc|truncf|tuneWrite|turn|updateIR|userNameRead|userNameWrite|voiceCall|waitContinue|width|WiFiServer|word|write|writeBlue|writeGreen|writeJSON|writeMessage|writeMicroseconds|writeRed|writeRGB|yield|Yield)\b`, NameFunction, nil},
+			// End of: Arduino-specific syntax
+			{Words(``, `\b`, `inline`, `_inline`, `__inline`, `naked`, `restrict`, `thread`, `typename`), KeywordReserved, nil},
+			{`(__m(128i|128d|128|64))\b`, KeywordReserved, nil},
+			{Words(`__`, `\b`, `asm`, `int8`, `based`, `except`, `int16`, `stdcall`, `cdecl`, `fastcall`, `int32`, `declspec`, `finally`, `int64`, `try`, `leave`, `wchar_t`, `w64`, `unaligned`, `raise`, `noop`, `identifier`, `forceinline`, `assume`), KeywordReserved, nil},
+			{`(true|false|NULL)\b`, NameBuiltin, nil},
+			{`([a-zA-Z_]\w*)(\s*)(:)(?!:)`, ByGroups(NameLabel, Text, Punctuation), nil},
+			{`[a-zA-Z_]\w*`, Name, nil},
+		},
+		"root": {
+			Include("whitespace"),
+			{`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;{]*)(\{)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), Push("function")},
+			{`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;]*)(;)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), nil},
+			Default(Push("statement")),
+			{Words(`__`, `\b`, `virtual_inheritance`, `uuidof`, `super`, `single_inheritance`, `multiple_inheritance`, `interface`, `event`), KeywordReserved, nil},
+			{`__(offload|blockingoffload|outer)\b`, KeywordPseudo, nil},
+		},
+		"classname": {
+			{`[a-zA-Z_]\w*`, NameClass, Pop(1)},
+			{`\s*(?=>)`, Text, Pop(1)},
+		},
+		"whitespace": {
+			{`^#if\s+0`, CommentPreproc, Push("if0")},
+			{`^#`, CommentPreproc, Push("macro")},
+			{`^(\s*(?:/[*].*?[*]/\s*)?)(#if\s+0)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("if0")},
+			{`^(\s*(?:/[*].*?[*]/\s*)?)(#)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("macro")},
+			{`\n`, Text, nil},
+			{`\s+`, Text, nil},
+			{`\\\n`, Text, nil},
+			{`//(\n|[\w\W]*?[^\\]\n)`, CommentSingle, nil},
+			{`/(\\\n)?[*][\w\W]*?[*](\\\n)?/`, CommentMultiline, nil},
+			{`/(\\\n)?[*][\w\W]*`, CommentMultiline, nil},
+		},
+		"statement": {
+			Include("whitespace"),
+			Include("statements"),
+			{`[{}]`, Punctuation, nil},
+			{`;`, Punctuation, Pop(1)},
+		},
+		"function": {
+			Include("whitespace"),
+			Include("statements"),
+			{`;`, Punctuation, nil},
+			{`\{`, Punctuation, Push()},
+			{`\}`, Punctuation, Pop(1)},
+		},
+		"string": {
+			{`"`, LiteralString, Pop(1)},
+			{`\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})`, LiteralStringEscape, nil},
+			{`[^\\"\n]+`, LiteralString, nil},
+			{`\\\n`, LiteralString, nil},
+			{`\\`, LiteralString, nil},
+		},
+		"macro": {
+			{`(include)(\s*(?:/[*].*?[*]/\s*)?)([^\n]+)`, ByGroups(CommentPreproc, Text, CommentPreprocFile), nil},
+			{`[^/\n]+`, CommentPreproc, nil},
+			{`/[*](.|\n)*?[*]/`, CommentMultiline, nil},
+			{`//.*?\n`, CommentSingle, Pop(1)},
+			{`/`, CommentPreproc, nil},
+			{`(?<=\\)\n`, CommentPreproc, nil},
+			{`\n`, CommentPreproc, Pop(1)},
+		},
+		"if0": {
+			{`^\s*#if.*?(?<!\\)\n`, CommentPreproc, Push()},
+			{`^\s*#el(?:se|if).*\n`, CommentPreproc, Pop(1)},
+			{`^\s*#endif.*?(?<!\\)\n`, CommentPreproc, Pop(1)},
+			{`.*?\n`, Comment, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/armasm.go

@@ -0,0 +1,72 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+var ArmAsm = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "ArmAsm",
+		Aliases:   []string{"armasm"},
+		EnsureNL:  true,
+		Filenames: []string{"*.s", "*.S"},
+		MimeTypes: []string{"text/x-armasm", "text/x-asm"},
+	},
+	armasmRules,
+))
+
+func armasmRules() Rules {
+	return Rules{
+		"commentsandwhitespace": {
+			{`\s+`, Text, nil},
+			{`[@;].*?\n`, CommentSingle, nil},
+			{`/\*.*?\*/`, CommentMultiline, nil},
+		},
+		"literal": {
+			// Binary
+			{`0b[01]+`, NumberBin, Pop(1)},
+			// Hex
+			{`0x\w{1,8}`, NumberHex, Pop(1)},
+			// Octal
+			{`0\d+`, NumberOct, Pop(1)},
+			// Float
+			{`\d+?\.\d+?`, NumberFloat, Pop(1)},
+			// Integer
+			{`\d+`, NumberInteger, Pop(1)},
+			// String
+			{`(")(.+)(")`, ByGroups(Punctuation, StringDouble, Punctuation), Pop(1)},
+			// Char
+			{`(')(.{1}|\\.{1})(')`, ByGroups(Punctuation, StringChar, Punctuation), Pop(1)},
+		},
+		"opcode": {
+			// Escape at line end
+			{`\n`, Text, Pop(1)},
+			// Comment
+			{`(@|;).*\n`, CommentSingle, Pop(1)},
+			// Whitespace
+			{`(\s+|,)`, Text, nil},
+			// Register by number
+			{`[rapcfxwbhsdqv]\d{1,2}`, NameClass, nil},
+			// Address by hex
+			{`=0x\w+`, ByGroups(Text, NameLabel), nil},
+			// Pseudo address by label
+			{`(=)(\w+)`, ByGroups(Text, NameLabel), nil},
+			// Immediate
+			{`#`, Text, Push("literal")},
+		},
+		"root": {
+			Include("commentsandwhitespace"),
+			// Directive with optional param
+			{`(\.\w+)([ \t]+\w+\s+?)?`, ByGroups(KeywordNamespace, NameLabel), nil},
+			// Label with data
+			{`(\w+)(:)(\s+\.\w+\s+)`, ByGroups(NameLabel, Punctuation, KeywordNamespace), Push("literal")},
+			// Label
+			{`(\w+)(:)`, ByGroups(NameLabel, Punctuation), nil},
+			// Syscall Op
+			{`svc\s+\w+`, NameNamespace, nil},
+			// Opcode
+			{`[a-zA-Z]+`, Text, Push("opcode")},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/a/awk.go

@@ -0,0 +1,52 @@
+package a
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Awk lexer.
+var Awk = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Awk",
+		Aliases:   []string{"awk", "gawk", "mawk", "nawk"},
+		Filenames: []string{"*.awk"},
+		MimeTypes: []string{"application/x-awk"},
+	},
+	awkRules,
+))
+
+func awkRules() Rules {
+	return Rules{
+		"commentsandwhitespace": {
+			{`\s+`, Text, nil},
+			{`#.*$`, CommentSingle, nil},
+		},
+		"slashstartsregex": {
+			Include("commentsandwhitespace"),
+			{`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/\B`, LiteralStringRegex, Pop(1)},
+			{`(?=/)`, Text, Push("#pop", "badregex")},
+			Default(Pop(1)),
+		},
+		"badregex": {
+			{`\n`, Text, Pop(1)},
+		},
+		"root": {
+			{`^(?=\s|/)`, Text, Push("slashstartsregex")},
+			Include("commentsandwhitespace"),
+			{`\+\+|--|\|\||&&|in\b|\$|!?~|\|&|(\*\*|[-<>+*%\^/!=|])=?`, Operator, Push("slashstartsregex")},
+			{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
+			{`[})\].]`, Punctuation, nil},
+			{`(break|continue|do|while|exit|for|if|else|return|switch|case|default)\b`, Keyword, Push("slashstartsregex")},
+			{`function\b`, KeywordDeclaration, Push("slashstartsregex")},
+			{`(atan2|cos|exp|int|log|rand|sin|sqrt|srand|gensub|gsub|index|length|match|split|patsplit|sprintf|sub|substr|tolower|toupper|close|fflush|getline|next(file)|print|printf|strftime|systime|mktime|delete|system|strtonum|and|compl|lshift|or|rshift|asorti?|isarray|bindtextdomain|dcn?gettext|@(include|load|namespace))\b`, KeywordReserved, nil},
+			{`(ARGC|ARGIND|ARGV|BEGIN(FILE)?|BINMODE|CONVFMT|ENVIRON|END(FILE)?|ERRNO|FIELDWIDTHS|FILENAME|FNR|FPAT|FS|IGNORECASE|LINT|NF|NR|OFMT|OFS|ORS|PROCINFO|RLENGTH|RS|RSTART|RT|SUBSEP|TEXTDOMAIN)\b`, NameBuiltin, nil},
+			{`[@$a-zA-Z_]\w*`, NameOther, nil},
+			{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
+			{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
+			{`[0-9]+`, LiteralNumberInteger, nil},
+			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
+			{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/ballerina.go

@@ -0,0 +1,50 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Ballerina lexer.
+var Ballerina = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Ballerina",
+		Aliases:   []string{"ballerina"},
+		Filenames: []string{"*.bal"},
+		MimeTypes: []string{"text/x-ballerina"},
+		DotAll:    true,
+	},
+	ballerinaRules,
+))
+
+func ballerinaRules() Rules {
+	return Rules{
+		"root": {
+			{`[^\S\n]+`, Text, nil},
+			{`//.*?\n`, CommentSingle, nil},
+			{`/\*.*?\*/`, CommentMultiline, nil},
+			{`(break|catch|continue|done|else|finally|foreach|forever|fork|if|lock|match|return|throw|transaction|try|while)\b`, Keyword, nil},
+			{`((?:(?:[^\W\d]|\$)[\w.\[\]$<>]*\s+)+?)((?:[^\W\d]|\$)[\w$]*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil},
+			{`@[^\W\d][\w.]*`, NameDecorator, nil},
+			{`(annotation|bind|but|endpoint|error|function|object|private|public|returns|service|type|var|with|worker)\b`, KeywordDeclaration, nil},
+			{`(boolean|byte|decimal|float|int|json|map|nil|record|string|table|xml)\b`, KeywordType, nil},
+			{`(true|false|null)\b`, KeywordConstant, nil},
+			{`(import)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
+			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
+			{`'\\.'|'[^\\]'|'\\u[0-9a-fA-F]{4}'`, LiteralStringChar, nil},
+			{`(\.)((?:[^\W\d]|\$)[\w$]*)`, ByGroups(Operator, NameAttribute), nil},
+			{`^\s*([^\W\d]|\$)[\w$]*:`, NameLabel, nil},
+			{`([^\W\d]|\$)[\w$]*`, Name, nil},
+			{`([0-9][0-9_]*\.([0-9][0-9_]*)?|\.[0-9][0-9_]*)([eE][+\-]?[0-9][0-9_]*)?[fFdD]?|[0-9][eE][+\-]?[0-9][0-9_]*[fFdD]?|[0-9]([eE][+\-]?[0-9][0-9_]*)?[fFdD]|0[xX]([0-9a-fA-F][0-9a-fA-F_]*\.?|([0-9a-fA-F][0-9a-fA-F_]*)?\.[0-9a-fA-F][0-9a-fA-F_]*)[pP][+\-]?[0-9][0-9_]*[fFdD]?`, LiteralNumberFloat, nil},
+			{`0[xX][0-9a-fA-F][0-9a-fA-F_]*[lL]?`, LiteralNumberHex, nil},
+			{`0[bB][01][01_]*[lL]?`, LiteralNumberBin, nil},
+			{`0[0-7_]+[lL]?`, LiteralNumberOct, nil},
+			{`0|[1-9][0-9_]*[lL]?`, LiteralNumberInteger, nil},
+			{`[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil},
+			{`\n`, Text, nil},
+		},
+		"import": {
+			{`[\w.]+`, NameNamespace, Pop(1)},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/bash.go

@@ -0,0 +1,100 @@
+package b
+
+import (
+	"regexp"
+
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// TODO(moorereason): can this be factored away?
+var bashAnalyserRe = regexp.MustCompile(`(?m)^#!.*/bin/(?:env |)(?:bash|zsh|sh|ksh)`)
+
+// Bash lexer.
+var Bash = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Bash",
+		Aliases:   []string{"bash", "sh", "ksh", "zsh", "shell"},
+		Filenames: []string{"*.sh", "*.ksh", "*.bash", "*.ebuild", "*.eclass", ".env", "*.env", "*.exheres-0", "*.exlib", "*.zsh", "*.zshrc", ".bashrc", "bashrc", ".bash_*", "bash_*", "zshrc", ".zshrc", "PKGBUILD"},
+		MimeTypes: []string{"application/x-sh", "application/x-shellscript"},
+	},
+	bashRules,
+).SetAnalyser(func(text string) float32 {
+	if bashAnalyserRe.FindString(text) != "" {
+		return 1.0
+	}
+	return 0.0
+}))
+
+func bashRules() Rules {
+	return Rules{
+		"root": {
+			Include("basic"),
+			{"`", LiteralStringBacktick, Push("backticks")},
+			Include("data"),
+			Include("interp"),
+		},
+		"interp": {
+			{`\$\(\(`, Keyword, Push("math")},
+			{`\$\(`, Keyword, Push("paren")},
+			{`\$\{#?`, LiteralStringInterpol, Push("curly")},
+			{`\$[a-zA-Z_]\w*`, NameVariable, nil},
+			{`\$(?:\d+|[#$?!_*@-])`, NameVariable, nil},
+			{`\$`, Text, nil},
+		},
+		"basic": {
+			{`\b(if|fi|else|while|do|done|for|then|return|function|case|select|continue|until|esac|elif)(\s*)\b`, ByGroups(Keyword, Text), nil},
+			{"\\b(alias|bg|bind|break|builtin|caller|cd|command|compgen|complete|declare|dirs|disown|echo|enable|eval|exec|exit|export|false|fc|fg|getopts|hash|help|history|jobs|kill|let|local|logout|popd|printf|pushd|pwd|read|readonly|set|shift|shopt|source|suspend|test|time|times|trap|true|type|typeset|ulimit|umask|unalias|unset|wait)(?=[\\s)`])", NameBuiltin, nil},
+			{`\A#!.+\n`, CommentPreproc, nil},
+			{`#.*(\S|$)`, CommentSingle, nil},
+			{`\\[\w\W]`, LiteralStringEscape, nil},
+			{`(\b\w+)(\s*)(\+?=)`, ByGroups(NameVariable, Text, Operator), nil},
+			{`[\[\]{}()=]`, Operator, nil},
+			{`<<<`, Operator, nil},
+			{`<<-?\s*(\'?)\\?(\w+)[\w\W]+?\2`, LiteralString, nil},
+			{`&&|\|\|`, Operator, nil},
+		},
+		"data": {
+			{`(?s)\$?"(\\\\|\\[0-7]+|\\.|[^"\\$])*"`, LiteralStringDouble, nil},
+			{`"`, LiteralStringDouble, Push("string")},
+			{`(?s)\$'(\\\\|\\[0-7]+|\\.|[^'\\])*'`, LiteralStringSingle, nil},
+			{`(?s)'.*?'`, LiteralStringSingle, nil},
+			{`;`, Punctuation, nil},
+			{`&`, Punctuation, nil},
+			{`\|`, Punctuation, nil},
+			{`\s+`, Text, nil},
+			{`\d+(?= |$)`, LiteralNumber, nil},
+			{"[^=\\s\\[\\]{}()$\"\\'`\\\\<&|;]+", Text, nil},
+			{`<`, Text, nil},
+		},
+		"string": {
+			{`"`, LiteralStringDouble, Pop(1)},
+			{`(?s)(\\\\|\\[0-7]+|\\.|[^"\\$])+`, LiteralStringDouble, nil},
+			Include("interp"),
+		},
+		"curly": {
+			{`\}`, LiteralStringInterpol, Pop(1)},
+			{`:-`, Keyword, nil},
+			{`\w+`, NameVariable, nil},
+			{"[^}:\"\\'`$\\\\]+", Punctuation, nil},
+			{`:`, Punctuation, nil},
+			Include("root"),
+		},
+		"paren": {
+			{`\)`, Keyword, Pop(1)},
+			Include("root"),
+		},
+		"math": {
+			{`\)\)`, Keyword, Pop(1)},
+			{`[-+*/%^|&]|\*\*|\|\|`, Operator, nil},
+			{`\d+#\d+`, LiteralNumber, nil},
+			{`\d+#(?! )`, LiteralNumber, nil},
+			{`\d+`, LiteralNumber, nil},
+			Include("root"),
+		},
+		"backticks": {
+			{"`", LiteralStringBacktick, Pop(1)},
+			Include("root"),
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/bashsession.go

@@ -0,0 +1,27 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// BashSession lexer.
+var BashSession = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "BashSession",
+		Aliases:   []string{"bash-session", "console", "shell-session"},
+		Filenames: []string{".sh-session"},
+		MimeTypes: []string{"text/x-sh"},
+		EnsureNL:  true,
+	},
+	bashsessionRules,
+))
+
+func bashsessionRules() Rules {
+	return Rules{
+		"root": {
+			{`^((?:\[[^]]+@[^]]+\]\s?)?[#$%>])(\s*)(.*\n?)`, ByGroups(GenericPrompt, Text, Using(Bash)), nil},
+			{`^.+\n?`, GenericOutput, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/batch.go

@@ -0,0 +1,198 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Batchfile lexer.
+var Batchfile = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "Batchfile",
+		Aliases:         []string{"bat", "batch", "dosbatch", "winbatch"},
+		Filenames:       []string{"*.bat", "*.cmd"},
+		MimeTypes:       []string{"application/x-dos-batch"},
+		CaseInsensitive: true,
+	},
+	batchfileRules,
+))
+
+func batchfileRules() Rules {
+	return Rules{
+		"root": {
+			{`\)((?=\()|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?:(?:[^\n\x1a^]|\^[\n\x1a]?[\w\W])*)`, CommentSingle, nil},
+			{`(?=((?:(?<=^[^:])|^[^:]?)[\t\v\f\r ,;=\xa0]*)(:))`, Text, Push("follow")},
+			{`(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)`, UsingSelf("text"), nil},
+			Include("redirect"),
+			{`[\n\x1a]+`, Text, nil},
+			{`\(`, Punctuation, Push("root/compound")},
+			{`@+`, Punctuation, nil},
+			{`((?:for|if|rem)(?:(?=(?:\^[\n\x1a]?)?/)|(?:(?!\^)|(?<=m))(?:(?=\()|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+)?(?:\^[\n\x1a]?)?/(?:\^[\n\x1a]?)?\?)`, ByGroups(Keyword, UsingSelf("text")), Push("follow")},
+			{`(goto(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))((?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|[^"%\n\x1a&<>|])*(?:\^[\n\x1a]?)?/(?:\^[\n\x1a]?)?\?(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|[^"%\n\x1a&<>|])*)`, ByGroups(Keyword, UsingSelf("text")), Push("follow")},
+			{Words(``, `(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])`, `assoc`, `break`, `cd`, `chdir`, `cls`, `color`, `copy`, `date`, `del`, `dir`, `dpath`, `echo`, `endlocal`, `erase`, `exit`, `ftype`, `keys`, `md`, `mkdir`, `mklink`, `move`, `path`, `pause`, `popd`, `prompt`, `pushd`, `rd`, `ren`, `rename`, `rmdir`, `setlocal`, `shift`, `start`, `time`, `title`, `type`, `ver`, `verify`, `vol`), Keyword, Push("follow")},
+			{`(call)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)(:)`, ByGroups(Keyword, UsingSelf("text"), Punctuation), Push("call")},
+			{`call(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])`, Keyword, nil},
+			{`(for(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])(?!\^))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(/f(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))`, ByGroups(Keyword, UsingSelf("text"), Keyword), Push("for/f", "for")},
+			{`(for(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])(?!\^))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(/l(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))`, ByGroups(Keyword, UsingSelf("text"), Keyword), Push("for/l", "for")},
+			{`for(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])(?!\^)`, Keyword, Push("for2", "for")},
+			{`(goto(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)(:?)`, ByGroups(Keyword, UsingSelf("text"), Punctuation), Push("label")},
+			{`(if(?:(?=\()|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?!\^))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)((?:/i(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))?)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)((?:not(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))?)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)`, ByGroups(Keyword, UsingSelf("text"), Keyword, UsingSelf("text"), Keyword, UsingSelf("text")), Push("(?", "if")},
+			{`rem(((?=\()|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+)?.*|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])(?:(?:[^\n\x1a^]|\^[\n\x1a]?[\w\W])*))`, CommentSingle, Push("follow")},
+			{`(set(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))((?:(?:\^[\n\x1a]?)?[^\S\n])*)(/a)`, ByGroups(Keyword, UsingSelf("text"), Keyword), Push("arithmetic")},
+			{`(set(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))((?:(?:\^[\n\x1a]?)?[^\S\n])*)((?:/p)?)((?:(?:\^[\n\x1a]?)?[^\S\n])*)((?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|^=]|\^[\n\x1a]?[^"=])+)?)((?:(?:\^[\n\x1a]?)?=)?)`, ByGroups(Keyword, UsingSelf("text"), Keyword, UsingSelf("text"), UsingSelf("variable"), Punctuation), Push("follow")},
+			Default(Push("follow")),
+		},
+		"follow": {
+			{`((?:(?<=^[^:])|^[^:]?)[\t\v\f\r ,;=\xa0]*)(:)([\t\v\f\r ,;=\xa0]*)((?:(?:[^\n\x1a&<>|\t\v\f\r ,;=\xa0+:^]|\^[\n\x1a]?[\w\W])*))(.*)`, ByGroups(Text, Punctuation, Text, NameLabel, CommentSingle), nil},
+			Include("redirect"),
+			{`(?=[\n\x1a])`, Text, Pop(1)},
+			{`\|\|?|&&?`, Punctuation, Pop(1)},
+			Include("text"),
+		},
+		"arithmetic": {
+			{`0[0-7]+`, LiteralNumberOct, nil},
+			{`0x[\da-f]+`, LiteralNumberHex, nil},
+			{`\d+`, LiteralNumberInteger, nil},
+			{`[(),]+`, Punctuation, nil},
+			{`([=+\-*/!~]|%|\^\^)+`, Operator, nil},
+			{`((?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(\^[\n\x1a]?)?[^()=+\-*/!~%^"\n\x1a&<>|\t\v\f\r ,;=\xa0]|\^[\n\x1a\t\v\f\r ,;=\xa0]?[\w\W])+`, UsingSelf("variable"), nil},
+			{`(?=[\x00|&])`, Text, Pop(1)},
+			Include("follow"),
+		},
+		"call": {
+			{`(:?)((?:(?:[^\n\x1a&<>|\t\v\f\r ,;=\xa0+:^]|\^[\n\x1a]?[\w\W])*))`, ByGroups(Punctuation, NameLabel), Pop(1)},
+		},
+		"label": {
+			{`((?:(?:[^\n\x1a&<>|\t\v\f\r ,;=\xa0+:^]|\^[\n\x1a]?[\w\W])*)?)((?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|\^[\n\x1a]?[\w\W]|[^"%^\n\x1a&<>|])*)`, ByGroups(NameLabel, CommentSingle), Pop(1)},
+		},
+		"redirect": {
+			{`((?:(?<=[\n\x1a\t\v\f\r ,;=\xa0])\d)?)(>>?&|<&)([\n\x1a\t\v\f\r ,;=\xa0]*)(\d)`, ByGroups(LiteralNumberInteger, Punctuation, Text, LiteralNumberInteger), nil},
+			{`((?:(?<=[\n\x1a\t\v\f\r ,;=\xa0])(?<!\^[\n\x1a])\d)?)(>>?|<)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+))`, ByGroups(LiteralNumberInteger, Punctuation, UsingSelf("text")), nil},
+		},
+		"root/compound": {
+			{`\)`, Punctuation, Pop(1)},
+			{`(?=((?:(?<=^[^:])|^[^:]?)[\t\v\f\r ,;=\xa0]*)(:))`, Text, Push("follow/compound")},
+			{`(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)`, UsingSelf("text"), nil},
+			Include("redirect/compound"),
+			{`[\n\x1a]+`, Text, nil},
+			{`\(`, Punctuation, Push("root/compound")},
+			{`@+`, Punctuation, nil},
+			{`((?:for|if|rem)(?:(?=(?:\^[\n\x1a]?)?/)|(?:(?!\^)|(?<=m))(?:(?=\()|(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0)])+)?(?:\^[\n\x1a]?)?/(?:\^[\n\x1a]?)?\?)`, ByGroups(Keyword, UsingSelf("text")), Push("follow/compound")},
+			{`(goto(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])))((?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|[^"%\n\x1a&<>|)])*(?:\^[\n\x1a]?)?/(?:\^[\n\x1a]?)?\?(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|[^"%\n\x1a&<>|)])*)`, ByGroups(Keyword, UsingSelf("text")), Push("follow/compound")},
+			{Words(``, `(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))`, `assoc`, `break`, `cd`, `chdir`, `cls`, `color`, `copy`, `date`, `del`, `dir`, `dpath`, `echo`, `endlocal`, `erase`, `exit`, `ftype`, `keys`, `md`, `mkdir`, `mklink`, `move`, `path`, `pause`, `popd`, `prompt`, `pushd`, `rd`, `ren`, `rename`, `rmdir`, `setlocal`, `shift`, `start`, `time`, `title`, `type`, `ver`, `verify`, `vol`), Keyword, Push("follow/compound")},
+			{`(call)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)(:)`, ByGroups(Keyword, UsingSelf("text"), Punctuation), Push("call/compound")},
+			{`call(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))`, Keyword, nil},
+			{`(for(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?!\^))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(/f(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))`, ByGroups(Keyword, UsingSelf("text"), Keyword), Push("for/f", "for")},
+			{`(for(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?!\^))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(/l(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))`, ByGroups(Keyword, UsingSelf("text"), Keyword), Push("for/l", "for")},
+			{`for(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?!\^)`, Keyword, Push("for2", "for")},
+			{`(goto(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)(:?)`, ByGroups(Keyword, UsingSelf("text"), Punctuation), Push("label/compound")},
+			{`(if(?:(?=\()|(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))(?!\^))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)((?:/i(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))?)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)((?:not(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))?)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)`, ByGroups(Keyword, UsingSelf("text"), Keyword, UsingSelf("text"), Keyword, UsingSelf("text")), Push("(?", "if")},
+			{`rem(((?=\()|(?:(?=\))|(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+)?.*|(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(]))(?:(?:[^\n\x1a^)]|\^[\n\x1a]?[^)])*))`, CommentSingle, Push("follow/compound")},
+			{`(set(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])))((?:(?:\^[\n\x1a]?)?[^\S\n])*)(/a)`, ByGroups(Keyword, UsingSelf("text"), Keyword), Push("arithmetic/compound")},
+			{`(set(?:(?=\))|(?=(?:\^[\n\x1a]?)?[\t\v\f\r ,;=\xa0+./:[\\\]]|[\n\x1a&<>|(])))((?:(?:\^[\n\x1a]?)?[^\S\n])*)((?:/p)?)((?:(?:\^[\n\x1a]?)?[^\S\n])*)((?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|^=)]|\^[\n\x1a]?[^"=])+)?)((?:(?:\^[\n\x1a]?)?=)?)`, ByGroups(Keyword, UsingSelf("text"), Keyword, UsingSelf("text"), UsingSelf("variable"), Punctuation), Push("follow/compound")},
+			Default(Push("follow/compound")),
+		},
+		"follow/compound": {
+			{`(?=\))`, Text, Pop(1)},
+			{`((?:(?<=^[^:])|^[^:]?)[\t\v\f\r ,;=\xa0]*)(:)([\t\v\f\r ,;=\xa0]*)((?:(?:[^\n\x1a&<>|\t\v\f\r ,;=\xa0+:^)]|\^[\n\x1a]?[^)])*))(.*)`, ByGroups(Text, Punctuation, Text, NameLabel, CommentSingle), nil},
+			Include("redirect/compound"),
+			{`(?=[\n\x1a])`, Text, Pop(1)},
+			{`\|\|?|&&?`, Punctuation, Pop(1)},
+			Include("text"),
+		},
+		"arithmetic/compound": {
+			{`(?=\))`, Text, Pop(1)},
+			{`0[0-7]+`, LiteralNumberOct, nil},
+			{`0x[\da-f]+`, LiteralNumberHex, nil},
+			{`\d+`, LiteralNumberInteger, nil},
+			{`[(),]+`, Punctuation, nil},
+			{`([=+\-*/!~]|%|\^\^)+`, Operator, nil},
+			{`((?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(\^[\n\x1a]?)?[^()=+\-*/!~%^"\n\x1a&<>|\t\v\f\r ,;=\xa0]|\^[\n\x1a\t\v\f\r ,;=\xa0]?[^)])+`, UsingSelf("variable"), nil},
+			{`(?=[\x00|&])`, Text, Pop(1)},
+			Include("follow"),
+		},
+		"call/compound": {
+			{`(?=\))`, Text, Pop(1)},
+			{`(:?)((?:(?:[^\n\x1a&<>|\t\v\f\r ,;=\xa0+:^)]|\^[\n\x1a]?[^)])*))`, ByGroups(Punctuation, NameLabel), Pop(1)},
+		},
+		"label/compound": {
+			{`(?=\))`, Text, Pop(1)},
+			{`((?:(?:[^\n\x1a&<>|\t\v\f\r ,;=\xa0+:^)]|\^[\n\x1a]?[^)])*)?)((?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|\^[\n\x1a]?[^)]|[^"%^\n\x1a&<>|)])*)`, ByGroups(NameLabel, CommentSingle), Pop(1)},
+		},
+		"redirect/compound": {
+			{`((?:(?<=[\n\x1a\t\v\f\r ,;=\xa0])\d)?)(>>?&|<&)([\n\x1a\t\v\f\r ,;=\xa0]*)(\d)`, ByGroups(LiteralNumberInteger, Punctuation, Text, LiteralNumberInteger), nil},
+			{`((?:(?<=[\n\x1a\t\v\f\r ,;=\xa0])(?<!\^[\n\x1a])\d)?)(>>?|<)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0)])+))+))`, ByGroups(LiteralNumberInteger, Punctuation, UsingSelf("text")), nil},
+		},
+		"variable-or-escape": {
+			{`(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))`, NameVariable, nil},
+			{`%%|\^[\n\x1a]?(\^!|[\w\W])`, LiteralStringEscape, nil},
+		},
+		"string": {
+			{`"`, LiteralStringDouble, Pop(1)},
+			{`(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))`, NameVariable, nil},
+			{`\^!|%%`, LiteralStringEscape, nil},
+			{`[^"%^\n\x1a]+|[%^]`, LiteralStringDouble, nil},
+			Default(Pop(1)),
+		},
+		"sqstring": {
+			Include("variable-or-escape"),
+			{`[^%]+|%`, LiteralStringSingle, nil},
+		},
+		"bqstring": {
+			Include("variable-or-escape"),
+			{`[^%]+|%`, LiteralStringBacktick, nil},
+		},
+		"text": {
+			{`"`, LiteralStringDouble, Push("string")},
+			Include("variable-or-escape"),
+			{`[^"%^\n\x1a&<>|\t\v\f\r ,;=\xa0\d)]+|.`, Text, nil},
+		},
+		"variable": {
+			{`"`, LiteralStringDouble, Push("string")},
+			Include("variable-or-escape"),
+			{`[^"%^\n\x1a]+|.`, NameVariable, nil},
+		},
+		"for": {
+			{`((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(in)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(\()`, ByGroups(UsingSelf("text"), Keyword, UsingSelf("text"), Punctuation), Pop(1)},
+			Include("follow"),
+		},
+		"for2": {
+			{`\)`, Punctuation, nil},
+			{`((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(do(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))`, ByGroups(UsingSelf("text"), Keyword), Pop(1)},
+			{`[\n\x1a]+`, Text, nil},
+			Include("follow"),
+		},
+		"for/f": {
+			{`(")((?:(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|[^"])*?")([\n\x1a\t\v\f\r ,;=\xa0]*)(\))`, ByGroups(LiteralStringDouble, UsingSelf("string"), Text, Punctuation), nil},
+			{`"`, LiteralStringDouble, Push("#pop", "for2", "string")},
+			{`('(?:%%|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|[\w\W])*?')([\n\x1a\t\v\f\r ,;=\xa0]*)(\))`, ByGroups(UsingSelf("sqstring"), Text, Punctuation), nil},
+			{"(`(?:%%|(?:(?:%(?:\\*|(?:~[a-z]*(?:\\$[^:]+:)?)?\\d|[^%:\\n\\x1a]+(?::(?:~(?:-?\\d+)?(?:,(?:-?\\d+)?)?|(?:[^%\\n\\x1a^]|\\^[^%\\n\\x1a])[^=\\n\\x1a]*=(?:[^%\\n\\x1a^]|\\^[^%\\n\\x1a])*)?)?%))|(?:\\^?![^!:\\n\\x1a]+(?::(?:~(?:-?\\d+)?(?:,(?:-?\\d+)?)?|(?:[^!\\n\\x1a^]|\\^[^!\\n\\x1a])[^=\\n\\x1a]*=(?:[^!\\n\\x1a^]|\\^[^!\\n\\x1a])*)?)?\\^?!))|[\\w\\W])*?`)([\\n\\x1a\\t\\v\\f\\r ,;=\\xa0]*)(\\))", ByGroups(UsingSelf("bqstring"), Text, Punctuation), nil},
+			Include("for2"),
+		},
+		"for/l": {
+			{`-?\d+`, LiteralNumberInteger, nil},
+			Include("for2"),
+		},
+		"if": {
+			{`((?:cmdextversion|errorlevel)(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))(\d+)`, ByGroups(Keyword, UsingSelf("text"), LiteralNumberInteger), Pop(1)},
+			{`(defined(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))((?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+))`, ByGroups(Keyword, UsingSelf("text"), UsingSelf("variable")), Pop(1)},
+			{`(exist(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+))`, ByGroups(Keyword, UsingSelf("text")), Pop(1)},
+			{`((?:-?(?:0[0-7]+|0x[\da-f]+|\d+)(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a]))(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))((?:equ|geq|gtr|leq|lss|neq))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)(?:-?(?:0[0-7]+|0x[\da-f]+|\d+)(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])))`, ByGroups(UsingSelf("arithmetic"), OperatorWord, UsingSelf("arithmetic")), Pop(1)},
+			{`(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+)`, UsingSelf("text"), Push("#pop", "if2")},
+		},
+		"if2": {
+			{`((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?)(==)((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)?(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+))`, ByGroups(UsingSelf("text"), Operator, UsingSelf("text")), Pop(1)},
+			{`((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+))((?:equ|geq|gtr|leq|lss|neq))((?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)(?:[&<>|]+|(?:(?:"[^\n\x1a"]*(?:"|(?=[\n\x1a])))|(?:(?:%(?:\*|(?:~[a-z]*(?:\$[^:]+:)?)?\d|[^%:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^%\n\x1a^]|\^[^%\n\x1a])[^=\n\x1a]*=(?:[^%\n\x1a^]|\^[^%\n\x1a])*)?)?%))|(?:\^?![^!:\n\x1a]+(?::(?:~(?:-?\d+)?(?:,(?:-?\d+)?)?|(?:[^!\n\x1a^]|\^[^!\n\x1a])[^=\n\x1a]*=(?:[^!\n\x1a^]|\^[^!\n\x1a])*)?)?\^?!))|(?:(?:(?:\^[\n\x1a]?)?[^"\n\x1a&<>|\t\v\f\r ,;=\xa0])+))+))`, ByGroups(UsingSelf("text"), OperatorWord, UsingSelf("text")), Pop(1)},
+		},
+		"(?": {
+			{`(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)`, UsingSelf("text"), nil},
+			{`\(`, Punctuation, Push("#pop", "else?", "root/compound")},
+			Default(Pop(1)),
+		},
+		"else?": {
+			{`(?:(?:(?:\^[\n\x1a])?[\t\v\f\r ,;=\xa0])+)`, UsingSelf("text"), nil},
+			{`else(?=\^?[\t\v\f\r ,;=\xa0]|[&<>|\n\x1a])`, Keyword, Pop(1)},
+			Default(Pop(1)),
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/bibtex.go

@@ -0,0 +1,80 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Bibtex lexer.
+var Bibtex = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "BibTeX",
+		Aliases:         []string{"bib", "bibtex"},
+		Filenames:       []string{"*.bib"},
+		MimeTypes:       []string{"text/x-bibtex"},
+		NotMultiline:    true,
+		CaseInsensitive: true,
+	},
+	bibtexRules,
+))
+
+func bibtexRules() Rules {
+	return Rules{
+		"root": {
+			Include("whitespace"),
+			{`@comment`, Comment, nil},
+			{`@preamble`, NameClass, Push("closing-brace", "value", "opening-brace")},
+			{`@string`, NameClass, Push("closing-brace", "field", "opening-brace")},
+			{"@[a-z_@!$&*+\\-./:;<>?\\[\\\\\\]^`|~][\\w@!$&*+\\-./:;<>?\\[\\\\\\]^`|~]*", NameClass, Push("closing-brace", "command-body", "opening-brace")},
+			{`.+`, Comment, nil},
+		},
+		"opening-brace": {
+			Include("whitespace"),
+			{`[{(]`, Punctuation, Pop(1)},
+		},
+		"closing-brace": {
+			Include("whitespace"),
+			{`[})]`, Punctuation, Pop(1)},
+		},
+		"command-body": {
+			Include("whitespace"),
+			{`[^\s\,\}]+`, NameLabel, Push("#pop", "fields")},
+		},
+		"fields": {
+			Include("whitespace"),
+			{`,`, Punctuation, Push("field")},
+			Default(Pop(1)),
+		},
+		"field": {
+			Include("whitespace"),
+			{"[a-z_@!$&*+\\-./:;<>?\\[\\\\\\]^`|~][\\w@!$&*+\\-./:;<>?\\[\\\\\\]^`|~]*", NameAttribute, Push("value", "=")},
+			Default(Pop(1)),
+		},
+		"=": {
+			Include("whitespace"),
+			{`=`, Punctuation, Pop(1)},
+		},
+		"value": {
+			Include("whitespace"),
+			{"[a-z_@!$&*+\\-./:;<>?\\[\\\\\\]^`|~][\\w@!$&*+\\-./:;<>?\\[\\\\\\]^`|~]*", NameVariable, nil},
+			{`"`, LiteralString, Push("quoted-string")},
+			{`\{`, LiteralString, Push("braced-string")},
+			{`[\d]+`, LiteralNumber, nil},
+			{`#`, Punctuation, nil},
+			Default(Pop(1)),
+		},
+		"quoted-string": {
+			{`\{`, LiteralString, Push("braced-string")},
+			{`"`, LiteralString, Pop(1)},
+			{`[^\{\"]+`, LiteralString, nil},
+		},
+		"braced-string": {
+			{`\{`, LiteralString, Push()},
+			{`\}`, LiteralString, Pop(1)},
+			{`[^\{\}]+`, LiteralString, nil},
+		},
+		"whitespace": {
+			{`\s+`, Text, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/bicep.go

@@ -0,0 +1,112 @@
+package b
+
+import (
+	"strings"
+
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Bicep lexer.
+var Bicep = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Bicep",
+		Aliases:   []string{"bicep"},
+		Filenames: []string{"*.bicep"},
+	},
+	bicepRules,
+))
+
+func bicepRules() Rules {
+	bicepFunctions := []string{
+		"any",
+		"array",
+		"concat",
+		"contains",
+		"empty",
+		"first",
+		"intersection",
+		"items",
+		"last",
+		"length",
+		"min",
+		"max",
+		"range",
+		"skip",
+		"take",
+		"union",
+		"dateTimeAdd",
+		"utcNow",
+		"deployment",
+		"environment",
+		"loadFileAsBase64",
+		"loadTextContent",
+		"int",
+		"json",
+		"extensionResourceId",
+		"getSecret",
+		"list",
+		"listKeys",
+		"listKeyValue",
+		"listAccountSas",
+		"listSecrets",
+		"pickZones",
+		"reference",
+		"resourceId",
+		"subscriptionResourceId",
+		"tenantResourceId",
+		"managementGroup",
+		"resourceGroup",
+		"subscription",
+		"tenant",
+		"base64",
+		"base64ToJson",
+		"base64ToString",
+		"dataUri",
+		"dataUriToString",
+		"endsWith",
+		"format",
+		"guid",
+		"indexOf",
+		"lastIndexOf",
+		"length",
+		"newGuid",
+		"padLeft",
+		"replace",
+		"split",
+		"startsWith",
+		"string",
+		"substring",
+		"toLower",
+		"toUpper",
+		"trim",
+		"uniqueString",
+		"uri",
+		"uriComponent",
+		"uriComponentToString",
+	}
+
+	return Rules{
+		"root": {
+			{`//[^\n\r]+`, CommentSingle, nil},
+			{`/\*.*?\*/`, CommentMultiline, nil},
+			{`([']?\w+[']?)(:)`, ByGroups(NameProperty, Punctuation), nil},
+			{`\b('(resourceGroup|subscription|managementGroup|tenant)')\b`, KeywordNamespace, nil},
+			{`'[\w\$\{\(\)\}\.]{1,}?'`, LiteralStringInterpol, nil},
+			{`('''|').*?('''|')`, LiteralString, nil},
+			{`\b(allowed|batchSize|description|maxLength|maxValue|metadata|minLength|minValue|secure)\b`, NameDecorator, nil},
+			{`\b(az|sys)\.`, NameNamespace, nil},
+			{`\b(` + strings.Join(bicepFunctions, "|") + `)\b`, NameFunction, nil},
+			// https://docs.microsoft.com/en-us/azure/azure-resource-manager/bicep/bicep-functions-logical
+			{`\b(bool)(\()`, ByGroups(NameFunction, Punctuation), nil},
+			{`\b(for|if|in)\b`, Keyword, nil},
+			{`\b(module|output|param|resource|var)\b`, KeywordDeclaration, nil},
+			{`\b(array|bool|int|object|string)\b`, KeywordType, nil},
+			// https://docs.microsoft.com/en-us/azure/azure-resource-manager/bicep/operators
+			{`(>=|>|<=|<|==|!=|=~|!~|::|&&|\?\?|!|-|%|\*|\/|\+)`, Operator, nil},
+			{`[\(\)\[\]\.:\?{}@=]`, Punctuation, nil},
+			{`[\w_-]+`, Text, nil},
+			{`\s+`, TextWhitespace, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/blitz.go

@@ -0,0 +1,52 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Blitzbasic lexer.
+var Blitzbasic = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:            "BlitzBasic",
+		Aliases:         []string{"blitzbasic", "b3d", "bplus"},
+		Filenames:       []string{"*.bb", "*.decls"},
+		MimeTypes:       []string{"text/x-bb"},
+		CaseInsensitive: true,
+	},
+	blitzbasicRules,
+))
+
+func blitzbasicRules() Rules {
+	return Rules{
+		"root": {
+			{`[ \t]+`, Text, nil},
+			{`;.*?\n`, CommentSingle, nil},
+			{`"`, LiteralStringDouble, Push("string")},
+			{`[0-9]+\.[0-9]*(?!\.)`, LiteralNumberFloat, nil},
+			{`\.[0-9]+(?!\.)`, LiteralNumberFloat, nil},
+			{`[0-9]+`, LiteralNumberInteger, nil},
+			{`\$[0-9a-f]+`, LiteralNumberHex, nil},
+			{`\%[10]+`, LiteralNumberBin, nil},
+			{Words(`\b`, `\b`, `Shl`, `Shr`, `Sar`, `Mod`, `Or`, `And`, `Not`, `Abs`, `Sgn`, `Handle`, `Int`, `Float`, `Str`, `First`, `Last`, `Before`, `After`), Operator, nil},
+			{`([+\-*/~=<>^])`, Operator, nil},
+			{`[(),:\[\]\\]`, Punctuation, nil},
+			{`\.([ \t]*)([a-z]\w*)`, NameLabel, nil},
+			{`\b(New)\b([ \t]+)([a-z]\w*)`, ByGroups(KeywordReserved, Text, NameClass), nil},
+			{`\b(Gosub|Goto)\b([ \t]+)([a-z]\w*)`, ByGroups(KeywordReserved, Text, NameLabel), nil},
+			{`\b(Object)\b([ \t]*)([.])([ \t]*)([a-z]\w*)\b`, ByGroups(Operator, Text, Punctuation, Text, NameClass), nil},
+			{`\b([a-z]\w*)(?:([ \t]*)(@{1,2}|[#$%])|([ \t]*)([.])([ \t]*)(?:([a-z]\w*)))?\b([ \t]*)(\()`, ByGroups(NameFunction, Text, KeywordType, Text, Punctuation, Text, NameClass, Text, Punctuation), nil},
+			{`\b(Function)\b([ \t]+)([a-z]\w*)(?:([ \t]*)(@{1,2}|[#$%])|([ \t]*)([.])([ \t]*)(?:([a-z]\w*)))?`, ByGroups(KeywordReserved, Text, NameFunction, Text, KeywordType, Text, Punctuation, Text, NameClass), nil},
+			{`\b(Type)([ \t]+)([a-z]\w*)`, ByGroups(KeywordReserved, Text, NameClass), nil},
+			{`\b(Pi|True|False|Null)\b`, KeywordConstant, nil},
+			{`\b(Local|Global|Const|Field|Dim)\b`, KeywordDeclaration, nil},
+			{Words(`\b`, `\b`, `End`, `Return`, `Exit`, `Chr`, `Len`, `Asc`, `New`, `Delete`, `Insert`, `Include`, `Function`, `Type`, `If`, `Then`, `Else`, `ElseIf`, `EndIf`, `For`, `To`, `Next`, `Step`, `Each`, `While`, `Wend`, `Repeat`, `Until`, `Forever`, `Select`, `Case`, `Default`, `Goto`, `Gosub`, `Data`, `Read`, `Restore`), KeywordReserved, nil},
+			{`([a-z]\w*)(?:([ \t]*)(@{1,2}|[#$%])|([ \t]*)([.])([ \t]*)(?:([a-z]\w*)))?`, ByGroups(NameVariable, Text, KeywordType, Text, Punctuation, Text, NameClass), nil},
+		},
+		"string": {
+			{`""`, LiteralStringDouble, nil},
+			{`"C?`, LiteralStringDouble, Pop(1)},
+			{`[^"]+`, LiteralStringDouble, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/bnf.go

@@ -0,0 +1,28 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Bnf lexer.
+var Bnf = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "BNF",
+		Aliases:   []string{"bnf"},
+		Filenames: []string{"*.bnf"},
+		MimeTypes: []string{"text/x-bnf"},
+	},
+	bnfRules,
+))
+
+func bnfRules() Rules {
+	return Rules{
+		"root": {
+			{`(<)([ -;=?-~]+)(>)`, ByGroups(Punctuation, NameClass, Punctuation), nil},
+			{`::=`, Operator, nil},
+			{`[^<>:]+`, Text, nil},
+			{`.`, Text, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/b/brainfuck.go

@@ -0,0 +1,38 @@
+package b
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Brainfuck lexer.
+var Brainfuck = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Brainfuck",
+		Aliases:   []string{"brainfuck", "bf"},
+		Filenames: []string{"*.bf", "*.b"},
+		MimeTypes: []string{"application/x-brainfuck"},
+	},
+	brainfuckRules,
+))
+
+func brainfuckRules() Rules {
+	return Rules{
+		"common": {
+			{`[.,]+`, NameTag, nil},
+			{`[+-]+`, NameBuiltin, nil},
+			{`[<>]+`, NameVariable, nil},
+			{`[^.,+\-<>\[\]]+`, Comment, nil},
+		},
+		"root": {
+			{`\[`, Keyword, Push("loop")},
+			{`\]`, Error, nil},
+			Include("common"),
+		},
+		"loop": {
+			{`\[`, Keyword, Push()},
+			{`\]`, Keyword, Pop(1)},
+			Include("common"),
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/c/c.go

@@ -0,0 +1,96 @@
+package c
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// C lexer.
+var C = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "C",
+		Aliases:   []string{"c"},
+		Filenames: []string{"*.c", "*.h", "*.idc", "*.x[bp]m"},
+		MimeTypes: []string{"text/x-chdr", "text/x-csrc", "image/x-xbitmap", "image/x-xpixmap"},
+		EnsureNL:  true,
+	},
+	cRules,
+))
+
+func cRules() Rules {
+	return Rules{
+		"whitespace": {
+			{`^#if\s+0`, CommentPreproc, Push("if0")},
+			{`^#`, CommentPreproc, Push("macro")},
+			{`^(\s*(?:/[*].*?[*]/\s*)?)(#if\s+0)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("if0")},
+			{`^(\s*(?:/[*].*?[*]/\s*)?)(#)`, ByGroups(UsingSelf("root"), CommentPreproc), Push("macro")},
+			{`\n`, Text, nil},
+			{`\s+`, Text, nil},
+			{`\\\n`, Text, nil},
+			{`//(\n|[\w\W]*?[^\\]\n)`, CommentSingle, nil},
+			{`/(\\\n)?[*][\w\W]*?[*](\\\n)?/`, CommentMultiline, nil},
+			{`/(\\\n)?[*][\w\W]*`, CommentMultiline, nil},
+		},
+		"statements": {
+			{`(L?)(")`, ByGroups(LiteralStringAffix, LiteralString), Push("string")},
+			{`(L?)(')(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])(')`, ByGroups(LiteralStringAffix, LiteralStringChar, LiteralStringChar, LiteralStringChar), nil},
+			{`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
+			{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
+			{`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
+			{`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
+			{`\d+[LlUu]*`, LiteralNumberInteger, nil},
+			{`\*/`, Error, nil},
+			{`[~!%^&*+=|?:<>/-]`, Operator, nil},
+			{`[()\[\],.]`, Punctuation, nil},
+			{Words(``, `\b`, `asm`, `auto`, `break`, `case`, `const`, `continue`, `default`, `do`, `else`, `enum`, `extern`, `for`, `goto`, `if`, `register`, `restricted`, `return`, `sizeof`, `static`, `struct`, `switch`, `typedef`, `union`, `volatile`, `while`), Keyword, nil},
+			{`(bool|int|long|float|short|double|char((8|16|32)_t)?|unsigned|signed|void|u?int(_fast|_least|)(8|16|32|64)_t)\b`, KeywordType, nil},
+			{Words(``, `\b`, `inline`, `_inline`, `__inline`, `naked`, `restrict`, `thread`, `typename`), KeywordReserved, nil},
+			{`(__m(128i|128d|128|64))\b`, KeywordReserved, nil},
+			{Words(`__`, `\b`, `asm`, `int8`, `based`, `except`, `int16`, `stdcall`, `cdecl`, `fastcall`, `int32`, `declspec`, `finally`, `int64`, `try`, `leave`, `wchar_t`, `w64`, `unaligned`, `raise`, `noop`, `identifier`, `forceinline`, `assume`), KeywordReserved, nil},
+			{`(true|false|NULL)\b`, NameBuiltin, nil},
+			{`([a-zA-Z_]\w*)(\s*)(:)(?!:)`, ByGroups(NameLabel, Text, Punctuation), nil},
+			{`[a-zA-Z_]\w*`, Name, nil},
+		},
+		"root": {
+			Include("whitespace"),
+			{`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;{]*)(\{)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), Push("function")},
+			{`((?:[\w*\s])+?(?:\s|[*]))([a-zA-Z_]\w*)(\s*\([^;]*?\))([^;]*)(;)`, ByGroups(UsingSelf("root"), NameFunction, UsingSelf("root"), UsingSelf("root"), Punctuation), nil},
+			Default(Push("statement")),
+		},
+		"statement": {
+			Include("whitespace"),
+			Include("statements"),
+			{`[{}]`, Punctuation, nil},
+			{`;`, Punctuation, Pop(1)},
+		},
+		"function": {
+			Include("whitespace"),
+			Include("statements"),
+			{`;`, Punctuation, nil},
+			{`\{`, Punctuation, Push()},
+			{`\}`, Punctuation, Pop(1)},
+		},
+		"string": {
+			{`"`, LiteralString, Pop(1)},
+			{`\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})`, LiteralStringEscape, nil},
+			{`[^\\"\n]+`, LiteralString, nil},
+			{`\\\n`, LiteralString, nil},
+			{`\\`, LiteralString, nil},
+		},
+		"macro": {
+			{`(include)(\s*(?:/[*].*?[*]/\s*)?)([^\n]+)`, ByGroups(CommentPreproc, Text, CommentPreprocFile), nil},
+			{`[^/\n]+`, CommentPreproc, nil},
+			{`/[*](.|\n)*?[*]/`, CommentMultiline, nil},
+			{`//.*?\n`, CommentSingle, Pop(1)},
+			{`/`, CommentPreproc, nil},
+			{`(?<=\\)\n`, CommentPreproc, nil},
+			{`\n`, CommentPreproc, Pop(1)},
+		},
+		"if0": {
+			{`^\s*#if.*?(?<!\\)\n`, CommentPreproc, Push()},
+			{`^\s*#el(?:se|if).*\n`, CommentPreproc, Pop(1)},
+			{`^\s*#endif.*?(?<!\\)\n`, CommentPreproc, Pop(1)},
+			{`.*?\n`, Comment, nil},
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/c/caddyfile.go

@@ -0,0 +1,216 @@
+package c
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// caddyfileCommon are the rules common to both of the lexer variants
+func caddyfileCommonRules() Rules {
+	return Rules{
+		"site_block_common": {
+			// Import keyword
+			{`(import)(\s+)([^\s]+)`, ByGroups(Keyword, Text, NameVariableMagic), nil},
+			// Matcher definition
+			{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
+			// Matcher token stub for docs
+			{`\[\<matcher\>\]`, NameDecorator, Push("matcher")},
+			// These cannot have matchers but may have things that look like
+			// matchers in their arguments, so we just parse as a subdirective.
+			{`try_files`, Keyword, Push("subdirective")},
+			// These are special, they can nest more directives
+			{`handle_errors|handle|route|handle_path|not`, Keyword, Push("nested_directive")},
+			// Any other directive
+			{`[^\s#]+`, Keyword, Push("directive")},
+			Include("base"),
+		},
+		"matcher": {
+			{`\{`, Punctuation, Push("block")},
+			// Not can be one-liner
+			{`not`, Keyword, Push("deep_not_matcher")},
+			// Any other same-line matcher
+			{`[^\s#]+`, Keyword, Push("arguments")},
+			// Terminators
+			{`\n`, Text, Pop(1)},
+			{`\}`, Punctuation, Pop(1)},
+			Include("base"),
+		},
+		"block": {
+			{`\}`, Punctuation, Pop(2)},
+			// Not can be one-liner
+			{`not`, Keyword, Push("not_matcher")},
+			// Any other subdirective
+			{`[^\s#]+`, Keyword, Push("subdirective")},
+			Include("base"),
+		},
+		"nested_block": {
+			{`\}`, Punctuation, Pop(2)},
+			// Matcher definition
+			{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
+			// Something that starts with literally < is probably a docs stub
+			{`\<[^#]+\>`, Keyword, Push("nested_directive")},
+			// Any other directive
+			{`[^\s#]+`, Keyword, Push("nested_directive")},
+			Include("base"),
+		},
+		"not_matcher": {
+			{`\}`, Punctuation, Pop(2)},
+			{`\{(?=\s)`, Punctuation, Push("block")},
+			{`[^\s#]+`, Keyword, Push("arguments")},
+			{`\s+`, Text, nil},
+		},
+		"deep_not_matcher": {
+			{`\}`, Punctuation, Pop(2)},
+			{`\{(?=\s)`, Punctuation, Push("block")},
+			{`[^\s#]+`, Keyword, Push("deep_subdirective")},
+			{`\s+`, Text, nil},
+		},
+		"directive": {
+			{`\{(?=\s)`, Punctuation, Push("block")},
+			Include("matcher_token"),
+			Include("comments_pop_1"),
+			{`\n`, Text, Pop(1)},
+			Include("base"),
+		},
+		"nested_directive": {
+			{`\{(?=\s)`, Punctuation, Push("nested_block")},
+			Include("matcher_token"),
+			Include("comments_pop_1"),
+			{`\n`, Text, Pop(1)},
+			Include("base"),
+		},
+		"subdirective": {
+			{`\{(?=\s)`, Punctuation, Push("block")},
+			Include("comments_pop_1"),
+			{`\n`, Text, Pop(1)},
+			Include("base"),
+		},
+		"arguments": {
+			{`\{(?=\s)`, Punctuation, Push("block")},
+			Include("comments_pop_2"),
+			{`\\\n`, Text, nil}, // Skip escaped newlines
+			{`\n`, Text, Pop(2)},
+			Include("base"),
+		},
+		"deep_subdirective": {
+			{`\{(?=\s)`, Punctuation, Push("block")},
+			Include("comments_pop_3"),
+			{`\n`, Text, Pop(3)},
+			Include("base"),
+		},
+		"matcher_token": {
+			{`@[^\s]+`, NameDecorator, Push("arguments")},         // Named matcher
+			{`/[^\s]+`, NameDecorator, Push("arguments")},         // Path matcher
+			{`\*`, NameDecorator, Push("arguments")},              // Wildcard path matcher
+			{`\[\<matcher\>\]`, NameDecorator, Push("arguments")}, // Matcher token stub for docs
+		},
+		"comments": {
+			{`^#.*\n`, CommentSingle, nil},   // Comment at start of line
+			{`\s+#.*\n`, CommentSingle, nil}, // Comment preceded by whitespace
+		},
+		"comments_pop_1": {
+			{`^#.*\n`, CommentSingle, Pop(1)},   // Comment at start of line
+			{`\s+#.*\n`, CommentSingle, Pop(1)}, // Comment preceded by whitespace
+		},
+		"comments_pop_2": {
+			{`^#.*\n`, CommentSingle, Pop(2)},   // Comment at start of line
+			{`\s+#.*\n`, CommentSingle, Pop(2)}, // Comment preceded by whitespace
+		},
+		"comments_pop_3": {
+			{`^#.*\n`, CommentSingle, Pop(3)},   // Comment at start of line
+			{`\s+#.*\n`, CommentSingle, Pop(3)}, // Comment preceded by whitespace
+		},
+		"base": {
+			Include("comments"),
+			{`(on|off|first|last|before|after|internal|strip_prefix|strip_suffix|replace)\b`, NameConstant, nil},
+			{`(https?://)?([a-z0-9.-]+)(:)([0-9]+)`, ByGroups(Name, Name, Punctuation, LiteralNumberInteger), nil},
+			{`[a-z-]+/[a-z-+]+`, LiteralString, nil},
+			{`[0-9]+[km]?\b`, LiteralNumberInteger, nil},
+			{`\{[\w+.\$-]+\}`, LiteralStringEscape, nil}, // Placeholder
+			{`\[(?=[^#{}$]+\])`, Punctuation, nil},
+			{`\]|\|`, Punctuation, nil},
+			{`[^\s#{}$\]]+`, LiteralString, nil},
+			{`/[^\s#]*`, Name, nil},
+			{`\s+`, Text, nil},
+		},
+	}
+}
+
+// Caddyfile lexer.
+var Caddyfile = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Caddyfile",
+		Aliases:   []string{"caddyfile", "caddy"},
+		Filenames: []string{"Caddyfile*"},
+		MimeTypes: []string{},
+	},
+	caddyfileRules,
+))
+
+func caddyfileRules() Rules {
+	return Rules{
+		"root": {
+			Include("comments"),
+			// Global options block
+			{`^\s*(\{)\s*$`, ByGroups(Punctuation), Push("globals")},
+			// Snippets
+			{`(\([^\s#]+\))(\s*)(\{)`, ByGroups(NameVariableAnonymous, Text, Punctuation), Push("snippet")},
+			// Site label
+			{`[^#{(\s,]+`, GenericHeading, Push("label")},
+			// Site label with placeholder
+			{`\{[\w+.\$-]+\}`, LiteralStringEscape, Push("label")},
+			{`\s+`, Text, nil},
+		},
+		"globals": {
+			{`\}`, Punctuation, Pop(1)},
+			{`[^\s#]+`, Keyword, Push("directive")},
+			Include("base"),
+		},
+		"snippet": {
+			{`\}`, Punctuation, Pop(1)},
+			// Matcher definition
+			{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
+			// Any directive
+			{`[^\s#]+`, Keyword, Push("directive")},
+			Include("base"),
+		},
+		"label": {
+			// Allow multiple labels, comma separated, newlines after
+			// a comma means another label is coming
+			{`,\s*\n?`, Text, nil},
+			{` `, Text, nil},
+			// Site label with placeholder
+			{`\{[\w+.\$-]+\}`, LiteralStringEscape, nil},
+			// Site label
+			{`[^#{(\s,]+`, GenericHeading, nil},
+			// Comment after non-block label (hack because comments end in \n)
+			{`#.*\n`, CommentSingle, Push("site_block")},
+			// Note: if \n, we'll never pop out of the site_block, it's valid
+			{`\{(?=\s)|\n`, Punctuation, Push("site_block")},
+		},
+		"site_block": {
+			{`\}`, Punctuation, Pop(2)},
+			Include("site_block_common"),
+		},
+	}.Merge(caddyfileCommonRules())
+}
+
+// Caddyfile directive-only lexer.
+var CaddyfileDirectives = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Caddyfile Directives",
+		Aliases:   []string{"caddyfile-directives", "caddyfile-d", "caddy-d"},
+		Filenames: []string{},
+		MimeTypes: []string{},
+	},
+	caddyfileDirectivesRules,
+))
+
+func caddyfileDirectivesRules() Rules {
+	return Rules{
+		// Same as "site_block" in Caddyfile
+		"root": {
+			Include("site_block_common"),
+		},
+	}.Merge(caddyfileCommonRules())
+}

vendor/github.com/alecthomas/chroma/lexers/c/capnproto.go

@@ -0,0 +1,65 @@
+package c
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Cap'N'Proto Proto lexer.
+var CapNProto = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Cap'n Proto",
+		Aliases:   []string{"capnp"},
+		Filenames: []string{"*.capnp"},
+		MimeTypes: []string{},
+	},
+	capNProtoRules,
+))
+
+func capNProtoRules() Rules {
+	return Rules{
+		"root": {
+			{`#.*?$`, CommentSingle, nil},
+			{`@[0-9a-zA-Z]*`, NameDecorator, nil},
+			{`=`, Literal, Push("expression")},
+			{`:`, NameClass, Push("type")},
+			{`\$`, NameAttribute, Push("annotation")},
+			{`(struct|enum|interface|union|import|using|const|annotation|extends|in|of|on|as|with|from|fixed)\b`, Keyword, nil},
+			{`[\w.]+`, Name, nil},
+			{`[^#@=:$\w]+`, Text, nil},
+		},
+		"type": {
+			{`[^][=;,(){}$]+`, NameClass, nil},
+			{`[[(]`, NameClass, Push("parentype")},
+			Default(Pop(1)),
+		},
+		"parentype": {
+			{`[^][;()]+`, NameClass, nil},
+			{`[[(]`, NameClass, Push()},
+			{`[])]`, NameClass, Pop(1)},
+			Default(Pop(1)),
+		},
+		"expression": {
+			{`[^][;,(){}$]+`, Literal, nil},
+			{`[[(]`, Literal, Push("parenexp")},
+			Default(Pop(1)),
+		},
+		"parenexp": {
+			{`[^][;()]+`, Literal, nil},
+			{`[[(]`, Literal, Push()},
+			{`[])]`, Literal, Pop(1)},
+			Default(Pop(1)),
+		},
+		"annotation": {
+			{`[^][;,(){}=:]+`, NameAttribute, nil},
+			{`[[(]`, NameAttribute, Push("annexp")},
+			Default(Pop(1)),
+		},
+		"annexp": {
+			{`[^][;()]+`, NameAttribute, nil},
+			{`[[(]`, NameAttribute, Push()},
+			{`[])]`, NameAttribute, Pop(1)},
+			Default(Pop(1)),
+		},
+	}
+}

vendor/github.com/alecthomas/chroma/lexers/c/ceylon.go

@@ -0,0 +1,67 @@
+package c
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Ceylon lexer.
+var Ceylon = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "Ceylon",
+		Aliases:   []string{"ceylon"},
+		Filenames: []string{"*.ceylon"},
+		MimeTypes: []string{"text/x-ceylon"},
+		DotAll:    true,
+	},
+	ceylonRules,
+))
+
+func ceylonRules() Rules {
+	return Rules{
+		"root": {
+			{`^(\s*(?:[a-zA-Z_][\w.\[\]]*\s+)+?)([a-zA-Z_]\w*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil},
+			{`[^\S\n]+`, Text, nil},
+			{`//.*?\n`, CommentSingle, nil},
+			{`/\*`, CommentMultiline, Push("comment")},
+			{`(shared|abstract|formal|default|actual|variable|deprecated|small|late|literal|doc|by|see|throws|optional|license|tagged|final|native|annotation|sealed)\b`, NameDecorator, nil},
+			{`(break|case|catch|continue|else|finally|for|in|if|return|switch|this|throw|try|while|is|exists|dynamic|nonempty|then|outer|assert|let)\b`, Keyword, nil},
+			{`(abstracts|extends|satisfies|super|given|of|out|assign)\b`, KeywordDeclaration, nil},
+			{`(function|value|void|new)\b`, KeywordType, nil},
+			{`(assembly|module|package)(\s+)`, ByGroups(KeywordNamespace, Text), nil},
+			{`(true|false|null)\b`, KeywordConstant, nil},
+			{`(class|interface|object|alias)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("class")},
+			{`(import)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
+			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
+			{`'\\.'|'[^\\]'|'\\\{#[0-9a-fA-F]{4}\}'`, LiteralStringChar, nil},
+			{"\".*``.*``.*\"", LiteralStringInterpol, nil},
+			{`(\.)([a-z_]\w*)`, ByGroups(Operator, NameAttribute), nil},
+			{`[a-zA-Z_]\w*:`, NameLabel, nil},
+			{`[a-zA-Z_]\w*`, Name, nil},
+			{`[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil},
+			{`\d{1,3}(_\d{3})+\.\d{1,3}(_\d{3})+[kMGTPmunpf]?`, LiteralNumberFloat, nil},
+			{`\d{1,3}(_\d{3})+\.[0-9]+([eE][+-]?[0-9]+)?[kMGTPmunpf]?`, LiteralNumberFloat, nil},
+			{`[0-9][0-9]*\.\d{1,3}(_\d{3})+[kMGTPmunpf]?`, LiteralNumberFloat, nil},
+			{`[0-9][0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[kMGTPmunpf]?`, LiteralNumberFloat, nil},
+			{`#([0-9a-fA-F]{4})(_[0-9a-fA-F]{4})+`, LiteralNumberHex, nil},
+			{`#[0-9a-fA-F]+`, LiteralNumberHex, nil},
+			{`\$([01]{4})(_[01]{4})+`, LiteralNumberBin, nil},
+			{`\$[01]+`, LiteralNumberBin, nil},
+			{`\d{1,3}(_\d{3})+[kMGTP]?`, LiteralNumberInteger, nil},
+			{`[0-9]+[kMGTP]?`, LiteralNumberInteger, nil},
+			{`\n`, Text, nil},
+		},
+		"class": {
+			{`[A-Za-z_]\w*`, NameClass, Pop(1)},
+		},
+		"import": {
+			{`[a-z][\w.]*`, NameNamespace, Pop(1)},
+		},
+		"comment": {
+			{`[^*/]`, CommentMultiline, nil},
+			{`/\*`, CommentMultiline, Push()},
+			{`\*/`, CommentMultiline, Pop(1)},
+			{`[*/]`, CommentMultiline, nil},
+		},
+	}
+}