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