no git submodules

vendor/github.com/alecthomas/chroma/lexers/y/yaml.go

@@ -0,0 +1,58 @@
+package y
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+var YAML = internal.Register(MustNewLazyLexer(
+	&Config{
+		Name:      "YAML",
+		Aliases:   []string{"yaml"},
+		Filenames: []string{"*.yaml", "*.yml"},
+		MimeTypes: []string{"text/x-yaml"},
+	},
+	yamlRules,
+))
+
+func yamlRules() Rules {
+	return Rules{
+		"root": {
+			Include("whitespace"),
+			{`^---`, NameNamespace, nil},
+			{`^\.\.\.`, NameNamespace, nil},
+			{`[\n?]?\s*- `, Text, nil},
+			{`#.*$`, Comment, nil},
+			{`!![^\s]+`, CommentPreproc, nil},
+			{`&[^\s]+`, CommentPreproc, nil},
+			{`\*[^\s]+`, CommentPreproc, nil},
+			{`^%include\s+[^\n\r]+`, CommentPreproc, nil},
+			Include("key"),
+			Include("value"),
+			{`[?:,\[\]]`, Punctuation, nil},
+			{`.`, Text, nil},
+		},
+		"value": {
+			{`([>|](?:[+-])?)(\n(^ {1,})(?:.*\n*(?:^\3 *).*)*)`, ByGroups(Punctuation, StringDoc, Whitespace), nil},
+			{Words(``, `\b`, "true", "True", "TRUE", "false", "False", "FALSE", "null",
+				"y", "Y", "yes", "Yes", "YES", "n", "N", "no", "No", "NO",
+				"on", "On", "ON", "off", "Off", "OFF"), KeywordConstant, nil},
+			{`"(?:\\.|[^"])*"`, StringDouble, nil},
+			{`'(?:\\.|[^'])*'`, StringSingle, nil},
+			{`\d\d\d\d-\d\d-\d\d([T ]\d\d:\d\d:\d\d(\.\d+)?(Z|\s+[-+]\d+)?)?`, LiteralDate, nil},
+			{`\b[+\-]?(0x[\da-f]+|0o[0-7]+|(\d+\.?\d*|\.?\d+)(e[\+\-]?\d+)?|\.inf|\.nan)\b`, Number, nil},
+			{`([^\{\}\[\]\?,\:\!\-\*&\@].*)( )+(#.*)`, ByGroups(Literal, Whitespace, Comment), nil},
+			{`[^\{\}\[\]\?,\:\!\-\*&\@].*`, Literal, nil},
+		},
+		"key": {
+			{`"[^"\n].*": `, NameTag, nil},
+			{`(-)( )([^"\n{]*)(:)( )`, ByGroups(Punctuation, Whitespace, NameTag, Punctuation, Whitespace), nil},
+			{`([^"\n{]*)(:)( )`, ByGroups(NameTag, Punctuation, Whitespace), nil},
+			{`([^"\n{]*)(:)(\n)`, ByGroups(NameTag, Punctuation, Whitespace), nil},
+		},
+		"whitespace": {
+			{`\s+`, Whitespace, nil},
+			{`\n+`, Whitespace, nil},
+		},
+	}
+}