123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262 |
- package c
-
- import (
- . "github.com/alecthomas/chroma" // nolint
- "github.com/alecthomas/chroma/lexers/internal"
- )
-
- // Crystal lexer.
- var Crystal = internal.Register(MustNewLexer(
- &Config{
- Name: "Crystal",
- Aliases: []string{"cr", "crystal"},
- Filenames: []string{"*.cr"},
- MimeTypes: []string{"text/x-crystal"},
- DotAll: true,
- },
- Rules{
- "root": {
- {`#.*?$`, CommentSingle, nil},
- {Words(``, `\b`, `abstract`, `asm`, `as`, `begin`, `break`, `case`, `do`, `else`, `elsif`, `end`, `ensure`, `extend`, `ifdef`, `if`, `include`, `instance_sizeof`, `next`, `of`, `pointerof`, `private`, `protected`, `rescue`, `return`, `require`, `sizeof`, `super`, `then`, `typeof`, `unless`, `until`, `when`, `while`, `with`, `yield`), Keyword, nil},
- {Words(``, `\b`, `true`, `false`, `nil`), KeywordConstant, nil},
- {`(module|lib)(\s+)([a-zA-Z_]\w*(?:::[a-zA-Z_]\w*)*)`, ByGroups(Keyword, Text, NameNamespace), nil},
- {`(def|fun|macro)(\s+)((?:[a-zA-Z_]\w*::)*)`, ByGroups(Keyword, Text, NameNamespace), Push("funcname")},
- {"def(?=[*%&^`~+-/\\[<>=])", Keyword, Push("funcname")},
- {`(class|struct|union|type|alias|enum)(\s+)((?:[a-zA-Z_]\w*::)*)`, ByGroups(Keyword, Text, NameNamespace), Push("classname")},
- {`(self|out|uninitialized)\b|(is_a|responds_to)\?`, KeywordPseudo, nil},
- {Words(``, `\b`, `debugger`, `record`, `pp`, `assert_responds_to`, `spawn`, `parallel`, `getter`, `setter`, `property`, `delegate`, `def_hash`, `def_equals`, `def_equals_and_hash`, `forward_missing_to`), NameBuiltinPseudo, nil},
- {`getter[!?]|property[!?]|__(DIR|FILE|LINE)__\b`, NameBuiltinPseudo, nil},
- {Words(`(?<!\.)`, `\b`, `Object`, `Value`, `Struct`, `Reference`, `Proc`, `Class`, `Nil`, `Symbol`, `Enum`, `Void`, `Bool`, `Number`, `Int`, `Int8`, `Int16`, `Int32`, `Int64`, `UInt8`, `UInt16`, `UInt32`, `UInt64`, `Float`, `Float32`, `Float64`, `Char`, `String`, `Pointer`, `Slice`, `Range`, `Exception`, `Regex`, `Mutex`, `StaticArray`, `Array`, `Hash`, `Set`, `Tuple`, `Deque`, `Box`, `Process`, `File`, `Dir`, `Time`, `Channel`, `Concurrent`, `Scheduler`, `abort`, `at_exit`, `caller`, `delay`, `exit`, `fork`, `future`, `get_stack_top`, `gets`, `lazy`, `loop`, `main`, `p`, `print`, `printf`, `puts`, `raise`, `rand`, `read_line`, `sleep`, `sprintf`, `system`, `with_color`), NameBuiltin, nil},
- {"(?<!\\w)(<<-?)([\"`\\']?)([a-zA-Z_]\\w*)(\\2)(.*?\\n)", StringHeredoc, nil},
- {`(<<-?)("|\')()(\2)(.*?\n)`, StringHeredoc, nil},
- {`__END__`, CommentPreproc, Push("end-part")},
- {`(?:^|(?<=[=<>~!:])|(?<=(?:\s|;)when\s)|(?<=(?:\s|;)or\s)|(?<=(?:\s|;)and\s)|(?<=\.index\s)|(?<=\.scan\s)|(?<=\.sub\s)|(?<=\.sub!\s)|(?<=\.gsub\s)|(?<=\.gsub!\s)|(?<=\.match\s)|(?<=(?:\s|;)if\s)|(?<=(?:\s|;)elsif\s)|(?<=^when\s)|(?<=^index\s)|(?<=^scan\s)|(?<=^sub\s)|(?<=^gsub\s)|(?<=^sub!\s)|(?<=^gsub!\s)|(?<=^match\s)|(?<=^if\s)|(?<=^elsif\s))(\s*)(/)`, ByGroups(Text, LiteralStringRegex), Push("multiline-regex")},
- {`(?<=\(|,|\[)/`, LiteralStringRegex, Push("multiline-regex")},
- {`(\s+)(/)(?![\s=])`, ByGroups(Text, LiteralStringRegex), Push("multiline-regex")},
- {`(0o[0-7]+(?:_[0-7]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?`, ByGroups(LiteralNumberOct, Text, Operator), nil},
- {`(0x[0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?`, ByGroups(LiteralNumberHex, Text, Operator), nil},
- {`(0b[01]+(?:_[01]+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?`, ByGroups(LiteralNumberBin, Text, Operator), nil},
- {`((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)(?:e[+-]?[0-9]+)?(?:_?f[0-9]+)?)(\s*)([/?])?`, ByGroups(LiteralNumberFloat, Text, Operator), nil},
- {`((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)(?:_?f[0-9]+)?)(\s*)([/?])?`, ByGroups(LiteralNumberFloat, Text, Operator), nil},
- {`((?:0(?![0-9])|[1-9][\d_]*)(?:\.\d[\d_]*)?(?:e[+-]?[0-9]+)?(?:_?f[0-9]+))(\s*)([/?])?`, ByGroups(LiteralNumberFloat, Text, Operator), nil},
- {`(0\b|[1-9][\d]*(?:_\d+)*(?:_?[iu][0-9]+)?)\b(\s*)([/?])?`, ByGroups(LiteralNumberInteger, Text, Operator), nil},
- {`@@[a-zA-Z_]\w*`, NameVariableClass, nil},
- {`@[a-zA-Z_]\w*`, NameVariableInstance, nil},
- {`\$\w+`, NameVariableGlobal, nil},
- {"\\$[!@&`\\'+~=/\\\\,;.<>_*$?:\"^-]", NameVariableGlobal, nil},
- {`\$-[0adFiIlpvw]`, NameVariableGlobal, nil},
- {`::`, Operator, nil},
- Include("strings"),
- {`\?(\\[MC]-)*(\\([\\befnrtv#"\']|x[a-fA-F0-9]{1,2}|[0-7]{1,3})|\S)(?!\w)`, LiteralStringChar, nil},
- {`[A-Z][A-Z_]+\b`, NameConstant, nil},
- {`\{%`, LiteralStringInterpol, Push("in-macro-control")},
- {`\{\{`, LiteralStringInterpol, Push("in-macro-expr")},
- {`(@\[)(\s*)([A-Z]\w*)`, ByGroups(Operator, Text, NameDecorator), Push("in-attr")},
- {Words(`(\.|::)`, ``, `!=`, `!~`, `!`, `%`, `&&`, `&`, `**`, `*`, `+`, `-`, `/`, `<=>`, `<<`, `<=`, `<`, `===`, `==`, `=~`, `=`, `>=`, `>>`, `>`, `[]=`, `[]?`, `[]`, `^`, `||`, `|`, `~`), ByGroups(Operator, NameOperator), nil},
- {"(\\.|::)([a-zA-Z_]\\w*[!?]?|[*%&^`~+\\-/\\[<>=])", ByGroups(Operator, Name), nil},
- {`[a-zA-Z_]\w*(?:[!?](?!=))?`, Name, nil},
- {`(\[|\]\??|\*\*|<=>?|>=|<<?|>>?|=~|===|!~|&&?|\|\||\.{1,3})`, Operator, nil},
- {`[-+/*%=<>&!^|~]=?`, Operator, nil},
- {`[(){};,/?:\\]`, Punctuation, nil},
- {`\s+`, Text, nil},
- },
- "funcname": {
- {"(?:([a-zA-Z_]\\w*)(\\.))?([a-zA-Z_]\\w*[!?]?|\\*\\*?|[-+]@?|[/%&|^`~]|\\[\\]=?|<<|>>|<=?>|>=?|===?)", ByGroups(NameClass, Operator, NameFunction), Pop(1)},
- Default(Pop(1)),
- },
- "classname": {
- {`[A-Z_]\w*`, NameClass, nil},
- {`(\()(\s*)([A-Z_]\w*)(\s*)(\))`, ByGroups(Punctuation, Text, NameClass, Text, Punctuation), nil},
- Default(Pop(1)),
- },
- "in-intp": {
- {`\{`, LiteralStringInterpol, Push()},
- {`\}`, LiteralStringInterpol, Pop(1)},
- Include("root"),
- },
- "string-intp": {
- {`#\{`, LiteralStringInterpol, Push("in-intp")},
- },
- "string-escaped": {
- {`\\([\\befnstv#"\']|x[a-fA-F0-9]{1,2}|[0-7]{1,3})`, LiteralStringEscape, nil},
- },
- "string-intp-escaped": {
- Include("string-intp"),
- Include("string-escaped"),
- },
- "interpolated-regex": {
- Include("string-intp"),
- {`[\\#]`, LiteralStringRegex, nil},
- {`[^\\#]+`, LiteralStringRegex, nil},
- },
- "interpolated-string": {
- Include("string-intp"),
- {`[\\#]`, LiteralStringOther, nil},
- {`[^\\#]+`, LiteralStringOther, nil},
- },
- "multiline-regex": {
- Include("string-intp"),
- {`\\\\`, LiteralStringRegex, nil},
- {`\\/`, LiteralStringRegex, nil},
- {`[\\#]`, LiteralStringRegex, nil},
- {`[^\\/#]+`, LiteralStringRegex, nil},
- {`/[imsx]*`, LiteralStringRegex, Pop(1)},
- },
- "end-part": {
- {`.+`, CommentPreproc, Pop(1)},
- },
- "in-macro-control": {
- {`\{%`, LiteralStringInterpol, Push()},
- {`%\}`, LiteralStringInterpol, Pop(1)},
- {`for\b|in\b`, Keyword, nil},
- Include("root"),
- },
- "in-macro-expr": {
- {`\{\{`, LiteralStringInterpol, Push()},
- {`\}\}`, LiteralStringInterpol, Pop(1)},
- Include("root"),
- },
- "in-attr": {
- {`\[`, Operator, Push()},
- {`\]`, Operator, Pop(1)},
- Include("root"),
- },
- "strings": {
- {`\:@{0,2}[a-zA-Z_]\w*[!?]?`, LiteralStringSymbol, nil},
- {Words(`\:@{0,2}`, ``, `!=`, `!~`, `!`, `%`, `&&`, `&`, `**`, `*`, `+`, `-`, `/`, `<=>`, `<<`, `<=`, `<`, `===`, `==`, `=~`, `=`, `>=`, `>>`, `>`, `[]=`, `[]?`, `[]`, `^`, `||`, `|`, `~`), LiteralStringSymbol, nil},
- {`:'(\\\\|\\'|[^'])*'`, LiteralStringSymbol, nil},
- {`'(\\\\|\\'|[^']|\\[^'\\]+)'`, LiteralStringChar, nil},
- {`:"`, LiteralStringSymbol, Push("simple-sym")},
- {`([a-zA-Z_]\w*)(:)(?!:)`, ByGroups(LiteralStringSymbol, Punctuation), nil},
- {`"`, LiteralStringDouble, Push("simple-string")},
- {"(?<!\\.)`", LiteralStringBacktick, Push("simple-backtick")},
- {`%\{`, LiteralStringOther, Push("cb-intp-string")},
- {`%[wi]\{`, LiteralStringOther, Push("cb-string")},
- {`%r\{`, LiteralStringRegex, Push("cb-regex")},
- {`%\[`, LiteralStringOther, Push("sb-intp-string")},
- {`%[wi]\[`, LiteralStringOther, Push("sb-string")},
- {`%r\[`, LiteralStringRegex, Push("sb-regex")},
- {`%\(`, LiteralStringOther, Push("pa-intp-string")},
- {`%[wi]\(`, LiteralStringOther, Push("pa-string")},
- {`%r\(`, LiteralStringRegex, Push("pa-regex")},
- {`%<`, LiteralStringOther, Push("ab-intp-string")},
- {`%[wi]<`, LiteralStringOther, Push("ab-string")},
- {`%r<`, LiteralStringRegex, Push("ab-regex")},
- {`(%r([\W_]))((?:\\\2|(?!\2).)*)(\2[imsx]*)`, String, nil},
- {`(%[wi]([\W_]))((?:\\\2|(?!\2).)*)(\2)`, String, nil},
- {`(?<=[-+/*%=<>&!^|~,(])(\s*)(%([\t ])(?:(?:\\\3|(?!\3).)*)\3)`, ByGroups(Text, LiteralStringOther, None), nil},
- {`^(\s*)(%([\t ])(?:(?:\\\3|(?!\3).)*)\3)`, ByGroups(Text, LiteralStringOther, None), nil},
- {`(%([\[{(<]))((?:\\\2|(?!\2).)*)(\2)`, String, nil},
- },
- "simple-string": {
- Include("string-intp-escaped"),
- {`[^\\"#]+`, LiteralStringDouble, nil},
- {`[\\#]`, LiteralStringDouble, nil},
- {`"`, LiteralStringDouble, Pop(1)},
- },
- "simple-sym": {
- Include("string-escaped"),
- {`[^\\"#]+`, LiteralStringSymbol, nil},
- {`[\\#]`, LiteralStringSymbol, nil},
- {`"`, LiteralStringSymbol, Pop(1)},
- },
- "simple-backtick": {
- Include("string-intp-escaped"),
- {"[^\\\\`#]+", LiteralStringBacktick, nil},
- {`[\\#]`, LiteralStringBacktick, nil},
- {"`", LiteralStringBacktick, Pop(1)},
- },
- "cb-intp-string": {
- {`\\[\{]`, LiteralStringOther, nil},
- {`\{`, LiteralStringOther, Push()},
- {`\}`, LiteralStringOther, Pop(1)},
- Include("string-intp-escaped"),
- {`[\\#{}]`, LiteralStringOther, nil},
- {`[^\\#{}]+`, LiteralStringOther, nil},
- },
- "cb-string": {
- {`\\[\\{}]`, LiteralStringOther, nil},
- {`\{`, LiteralStringOther, Push()},
- {`\}`, LiteralStringOther, Pop(1)},
- {`[\\#{}]`, LiteralStringOther, nil},
- {`[^\\#{}]+`, LiteralStringOther, nil},
- },
- "cb-regex": {
- {`\\[\\{}]`, LiteralStringRegex, nil},
- {`\{`, LiteralStringRegex, Push()},
- {`\}[imsx]*`, LiteralStringRegex, Pop(1)},
- Include("string-intp"),
- {`[\\#{}]`, LiteralStringRegex, nil},
- {`[^\\#{}]+`, LiteralStringRegex, nil},
- },
- "sb-intp-string": {
- {`\\[\[]`, LiteralStringOther, nil},
- {`\[`, LiteralStringOther, Push()},
- {`\]`, LiteralStringOther, Pop(1)},
- Include("string-intp-escaped"),
- {`[\\#\[\]]`, LiteralStringOther, nil},
- {`[^\\#\[\]]+`, LiteralStringOther, nil},
- },
- "sb-string": {
- {`\\[\\\[\]]`, LiteralStringOther, nil},
- {`\[`, LiteralStringOther, Push()},
- {`\]`, LiteralStringOther, Pop(1)},
- {`[\\#\[\]]`, LiteralStringOther, nil},
- {`[^\\#\[\]]+`, LiteralStringOther, nil},
- },
- "sb-regex": {
- {`\\[\\\[\]]`, LiteralStringRegex, nil},
- {`\[`, LiteralStringRegex, Push()},
- {`\][imsx]*`, LiteralStringRegex, Pop(1)},
- Include("string-intp"),
- {`[\\#\[\]]`, LiteralStringRegex, nil},
- {`[^\\#\[\]]+`, LiteralStringRegex, nil},
- },
- "pa-intp-string": {
- {`\\[\(]`, LiteralStringOther, nil},
- {`\(`, LiteralStringOther, Push()},
- {`\)`, LiteralStringOther, Pop(1)},
- Include("string-intp-escaped"),
- {`[\\#()]`, LiteralStringOther, nil},
- {`[^\\#()]+`, LiteralStringOther, nil},
- },
- "pa-string": {
- {`\\[\\()]`, LiteralStringOther, nil},
- {`\(`, LiteralStringOther, Push()},
- {`\)`, LiteralStringOther, Pop(1)},
- {`[\\#()]`, LiteralStringOther, nil},
- {`[^\\#()]+`, LiteralStringOther, nil},
- },
- "pa-regex": {
- {`\\[\\()]`, LiteralStringRegex, nil},
- {`\(`, LiteralStringRegex, Push()},
- {`\)[imsx]*`, LiteralStringRegex, Pop(1)},
- Include("string-intp"),
- {`[\\#()]`, LiteralStringRegex, nil},
- {`[^\\#()]+`, LiteralStringRegex, nil},
- },
- "ab-intp-string": {
- {`\\[<]`, LiteralStringOther, nil},
- {`<`, LiteralStringOther, Push()},
- {`>`, LiteralStringOther, Pop(1)},
- Include("string-intp-escaped"),
- {`[\\#<>]`, LiteralStringOther, nil},
- {`[^\\#<>]+`, LiteralStringOther, nil},
- },
- "ab-string": {
- {`\\[\\<>]`, LiteralStringOther, nil},
- {`<`, LiteralStringOther, Push()},
- {`>`, LiteralStringOther, Pop(1)},
- {`[\\#<>]`, LiteralStringOther, nil},
- {`[^\\#<>]+`, LiteralStringOther, nil},
- },
- "ab-regex": {
- {`\\[\\<>]`, LiteralStringRegex, nil},
- {`<`, LiteralStringRegex, Push()},
- {`>[imsx]*`, LiteralStringRegex, Pop(1)},
- Include("string-intp"),
- {`[\\#<>]`, LiteralStringRegex, nil},
- {`[^\\#<>]+`, LiteralStringRegex, nil},
- },
- },
- ))
|