1 files changed, 89 insertions, 0 deletions

diff --git a/vendor/github.com/alecthomas/chroma/v2/lexers/rst.go b/vendor/github.com/alecthomas/chroma/v2/lexers/rst.go
new file mode 100644
index 0000000..66ec03c
--- /dev/null
+++ b/vendor/github.com/alecthomas/chroma/v2/lexers/rst.go
@@ -0,0 +1,89 @@
+package lexers
+
+import (
+        "strings"
+
+        . "github.com/alecthomas/chroma/v2" // nolint
+)
+
+// Restructuredtext lexer.
+var Restructuredtext = Register(MustNewLexer(
+        &Config{
+                Name:      "reStructuredText",
+                Aliases:   []string{"rst", "rest", "restructuredtext"},
+                Filenames: []string{"*.rst", "*.rest"},
+                MimeTypes: []string{"text/x-rst", "text/prs.fallenstein.rst"},
+        },
+        restructuredtextRules,
+))
+
+func restructuredtextRules() Rules {
+        return Rules{
+                "root": {
+                        {"^(=+|-+|`+|:+|\\.+|\\'+|\"+|~+|\\^+|_+|\\*+|\\++|#+)([ \\t]*\\n)(.+)(\\n)(\\1)(\\n)", ByGroups(GenericHeading, Text, GenericHeading, Text, GenericHeading, Text), nil},
+                        {"^(\\S.*)(\\n)(={3,}|-{3,}|`{3,}|:{3,}|\\.{3,}|\\'{3,}|\"{3,}|~{3,}|\\^{3,}|_{3,}|\\*{3,}|\\+{3,}|#{3,})(\\n)", ByGroups(GenericHeading, Text, GenericHeading, Text), nil},
+                        {`^(\s*)([-*+])( .+\n(?:\1  .+\n)*)`, ByGroups(Text, LiteralNumber, UsingSelf("inline")), nil},
+                        {`^(\s*)([0-9#ivxlcmIVXLCM]+\.)( .+\n(?:\1  .+\n)*)`, ByGroups(Text, LiteralNumber, UsingSelf("inline")), nil},
+                        {`^(\s*)(\(?[0-9#ivxlcmIVXLCM]+\))( .+\n(?:\1  .+\n)*)`, ByGroups(Text, LiteralNumber, UsingSelf("inline")), nil},
+                        {`^(\s*)([A-Z]+\.)( .+\n(?:\1  .+\n)+)`, ByGroups(Text, LiteralNumber, UsingSelf("inline")), nil},
+                        {`^(\s*)(\(?[A-Za-z]+\))( .+\n(?:\1  .+\n)+)`, ByGroups(Text, LiteralNumber, UsingSelf("inline")), nil},
+                        {`^(\s*)(\|)( .+\n(?:\|  .+\n)*)`, ByGroups(Text, Operator, UsingSelf("inline")), nil},
+                        {`^( *\.\.)(\s*)((?:source)?code(?:-block)?)(::)([ \t]*)([^\n]+)(\n[ \t]*\n)([ \t]+)(.*)(\n)((?:(?:\8.*|)\n)+)`, EmitterFunc(rstCodeBlock), nil},
+                        {`^( *\.\.)(\s*)([\w:-]+?)(::)(?:([ \t]*)(.*))`, ByGroups(Punctuation, Text, OperatorWord, Punctuation, Text, UsingSelf("inline")), nil},
+                        {`^( *\.\.)(\s*)(_(?:[^:\\]|\\.)+:)(.*?)$`, ByGroups(Punctuation, Text, NameTag, UsingSelf("inline")), nil},
+                        {`^( *\.\.)(\s*)(\[.+\])(.*?)$`, ByGroups(Punctuation, Text, NameTag, UsingSelf("inline")), nil},
+                        {`^( *\.\.)(\s*)(\|.+\|)(\s*)([\w:-]+?)(::)(?:([ \t]*)(.*))`, ByGroups(Punctuation, Text, NameTag, Text, OperatorWord, Punctuation, Text, UsingSelf("inline")), nil},
+                        {`^ *\.\..*(\n( +.*\n|\n)+)?`, CommentPreproc, nil},
+                        {`^( *)(:[a-zA-Z-]+:)(\s*)$`, ByGroups(Text, NameClass, Text), nil},
+                        {`^( *)(:.*?:)([ \t]+)(.*?)$`, ByGroups(Text, NameClass, Text, NameFunction), nil},
+                        {`^(\S.*(?<!::)\n)((?:(?: +.*)\n)+)`, ByGroups(UsingSelf("inline"), UsingSelf("inline")), nil},
+                        {`(::)(\n[ \t]*\n)([ \t]+)(.*)(\n)((?:(?:\3.*|)\n)+)`, ByGroups(LiteralStringEscape, Text, LiteralString, LiteralString, Text, LiteralString), nil},
+                        Include("inline"),
+                },
+                "inline": {
+                        {`\\.`, Text, nil},
+                        {"``", LiteralString, Push("literal")},
+                        {"(`.+?)(<.+?>)(`__?)", ByGroups(LiteralString, LiteralStringInterpol, LiteralString), nil},
+                        {"`.+?`__?", LiteralString, nil},
+                        {"(`.+?`)(:[a-zA-Z0-9:-]+?:)?", ByGroups(NameVariable, NameAttribute), nil},
+                        {"(:[a-zA-Z0-9:-]+?:)(`.+?`)", ByGroups(NameAttribute, NameVariable), nil},
+                        {`\*\*.+?\*\*`, GenericStrong, nil},
+                        {`\*.+?\*`, GenericEmph, nil},
+                        {`\[.*?\]_`, LiteralString, nil},
+                        {`<.+?>`, NameTag, nil},
+                        {"[^\\\\\\n\\[*`:]+", Text, nil},
+                        {`.`, Text, nil},
+                },
+                "literal": {
+                        {"[^`]+", LiteralString, nil},
+                        {"``((?=$)|(?=[-/:.,; \\n\\x00\\\u2010\\\u2011\\\u2012\\\u2013\\\u2014\\\u00a0\\'\\\"\\)\\]\\}\\>\\\u2019\\\u201d\\\u00bb\\!\\?]))", LiteralString, Pop(1)},
+                        {"`", LiteralString, nil},
+                },
+        }
+}
+
+func rstCodeBlock(groups []string, state *LexerState) Iterator {
+        iterators := []Iterator{}
+        tokens := []Token{
+                {Punctuation, groups[1]},
+                {Text, groups[2]},
+                {OperatorWord, groups[3]},
+                {Punctuation, groups[4]},
+                {Text, groups[5]},
+                {Keyword, groups[6]},
+                {Text, groups[7]},
+        }
+        code := strings.Join(groups[8:], "")
+        lexer := Get(groups[6])
+        if lexer == nil {
+                tokens = append(tokens, Token{String, code})
+                iterators = append(iterators, Literator(tokens...))
+        } else {
+                sub, err := lexer.Tokenise(nil, code)
+                if err != nil {
+                        panic(err)
+                }
+                iterators = append(iterators, Literator(tokens...), sub)
+        }
+        return Concaterator(iterators...)
+}