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Add Chapel Lexer
This commit is contained in:
Danila Fedorin
Alec Thomas
parent
298b727472
commit
f941d464e2
@ -38,7 +38,7 @@ Prefix | Language
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:----: | --------
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A | ABAP, ABNF, ActionScript, ActionScript 3, Ada, Angular2, ANTLR, ApacheConf, APL, AppleScript, Arduino, Awk
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B | Ballerina, Base Makefile, Bash, Batchfile, BibTeX, Bicep, BlitzBasic, BNF, Brainfuck
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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
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C | C, C#, C++, Caddyfile, Caddyfile Directives, Cap'n Proto, Cassandra CQL, Ceylon, CFEngine3, cfstatement, ChaiScript, Chapel, Cheetah, Clojure, CMake, COBOL, CoffeeScript, Common Lisp, Coq, Crystal, CSS, Cython
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D | D, Dart, Diff, Django/Jinja, Docker, DTD, Dylan
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E | EBNF, Elixir, Elm, EmacsLisp, Erlang
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F | Factor, Fish, Forth, Fortran, FSharp
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62
lexers/chapel.go
Normal file
62
lexers/chapel.go
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@ -0,0 +1,62 @@
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package lexers
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import (
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. "github.com/alecthomas/chroma/v2" // nolint
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)
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// Chapel lexer.
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var Chapel = Register(MustNewLexer(
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&Config{
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Name: "Chapel",
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Aliases: []string{"chapel", "chpl"},
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Filenames: []string{"*.chpl"},
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MimeTypes: []string{},
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},
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func() Rules {
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return Rules{
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"root": {
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{`\n`, TextWhitespace, nil},
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{`\s+`, TextWhitespace, nil},
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{`\\\n`, Text, nil},
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{`//(.*?)\n`, CommentSingle, nil},
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{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
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{Words(``, `\b`, `config`, `const`, `in`, `inout`, `out`, `param`, `ref`, `type`, `var`), KeywordDeclaration, nil},
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{Words(``, `\b`, `false`, `nil`, `none`, `true`), KeywordConstant, nil},
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{Words(``, `\b`, `bool`, `bytes`, `complex`, `imag`, `int`, `locale`, `nothing`, `opaque`, `range`, `real`, `string`, `uint`, `void`), KeywordType, nil},
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{Words(``, `\b`, `atomic`, `single`, `sync`, `borrowed`, `owned`, `shared`, `unmanaged`, `align`, `as`, `begin`, `break`, `by`, `catch`, `cobegin`, `coforall`, `continue`, `defer`, `delete`, `dmapped`, `do`, `domain`, `else`, `enum`, `except`, `export`, `extern`, `for`, `forall`, `foreach`, `forwarding`, `if`, `implements`, `import`, `index`, `init`, `inline`, `label`, `lambda`, `let`, `lifetime`, `local`, `new`, `noinit`, `on`, `only`, `otherwise`, `override`, `pragma`, `primitive`, `private`, `prototype`, `public`, `reduce`, `require`, `return`, `scan`, `select`, `serial`, `sparse`, `subdomain`, `then`, `this`, `throw`, `throws`, `try`, `use`, `when`, `where`, `while`, `with`, `yield`, `zip`), Keyword, nil},
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{`(iter)(\s+)`, ByGroups(Keyword, TextWhitespace), Push("procname")},
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{`(proc)(\s+)`, ByGroups(Keyword, TextWhitespace), Push("procname")},
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{`(operator)(\s+)`, ByGroups(Keyword, TextWhitespace), Push("procname")},
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{`(class|interface|module|record|union)(\s+)`, ByGroups(Keyword, TextWhitespace), Push("classname")},
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{`\d+i`, LiteralNumber, nil},
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{`\d+\.\d*([Ee][-+]\d+)?i`, LiteralNumber, nil},
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{`\.\d+([Ee][-+]\d+)?i`, LiteralNumber, nil},
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{`\d+[Ee][-+]\d+i`, LiteralNumber, nil},
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{`(\d*\.\d+)([eE][+-]?[0-9]+)?i?`, LiteralNumberFloat, nil},
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{`\d+[eE][+-]?[0-9]+i?`, LiteralNumberFloat, nil},
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{`0[bB][01]+`, LiteralNumberBin, nil},
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{`0[xX][0-9a-fA-F]+`, LiteralNumberHex, nil},
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{`0[oO][0-7]+`, LiteralNumberOct, nil},
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{`[0-9]+`, LiteralNumberInteger, nil},
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{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
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{`'(\\\\|\\'|[^'])*'`, LiteralString, nil},
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{`(=|\+=|-=|\*=|/=|\*\*=|%=|&=|\|=|\^=|&&=|\|\|=|<<=|>>=|<=>|<~>|\.\.|by|#|\.\.\.|&&|\|\||!|&|\||\^|~|<<|>>|==|!=|<=|>=|<|>|[+\-*/%]|\*\*)`, Operator, nil},
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{`[:;,.?()\[\]{}]`, Punctuation, nil},
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{`[a-zA-Z_][\w$]*`, NameOther, nil},
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},
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"classname": {
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{`[a-zA-Z_][\w$]*`, NameClass, Pop(1)},
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},
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"procname": {
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{`([a-zA-Z_][.\w$]*|\~[a-zA-Z_][.\w$]*|[+*/!~%<>=&^|\-:]{1,2})`, NameFunction, Pop(1)},
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{`\(`, Punctuation, Push("receivertype")},
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{`\)+\.`, Punctuation, nil},
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},
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"receivertype": {
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{Words(``, `\b`, `atomic`, `single`, `sync`, `borrowed`, `owned`, `shared`, `unmanaged`), Keyword, nil},
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{Words(``, `\b`, `bool`, `bytes`, `complex`, `imag`, `int`, `locale`, `nothing`, `opaque`, `range`, `real`, `string`, `uint`, `void`), KeywordType, nil},
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{`[^()]*`, NameOther, Pop(1)},
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},
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}
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},
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))
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6
lexers/testdata/chapel.actual
vendored
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6
lexers/testdata/chapel.actual
vendored
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@ -0,0 +1,6 @@
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config const numMessages = 100;
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forall msg in 1..numMessages do
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writeln("Hello, world! (from iteration ", msg, " of ", numMessages, ")");
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// Oh, and a comment for good measure.
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43
lexers/testdata/chapel.expected
vendored
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43
lexers/testdata/chapel.expected
vendored
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@ -0,0 +1,43 @@
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[
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{"type":"KeywordDeclaration","value":"config"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordDeclaration","value":"const"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameOther","value":"numMessages"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"100"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"Keyword","value":"forall"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameOther","value":"msg"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordDeclaration","value":"in"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"1"},
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{"type":"Operator","value":".."},
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{"type":"NameOther","value":"numMessages"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"do"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"NameOther","value":"writeln"},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralString","value":"\"Hello, world! (from iteration \""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameOther","value":"msg"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\" of \""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameOther","value":"numMessages"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\")\""},
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{"type":"Punctuation","value":");"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"// Oh, and a comment for good measure.\n"}
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]
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