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Add a Dylan lexer
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Carl Gay
Alec Thomas
parent
a9e4a4ebe5
commit
eb257ed1bb
@ -38,7 +38,7 @@ Prefix | Language
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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, 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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D | D, Dart, Diff, Django/Jinja, Docker, DTD
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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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G | GAS, GDScript, Genshi, Genshi HTML, Genshi Text, Gherkin, GLSL, Gnuplot, Go, Go HTML Template, Go Text Template, GraphQL, Groovy
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74
lexers/d/dylan.go
Normal file
74
lexers/d/dylan.go
Normal file
@ -0,0 +1,74 @@
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package d
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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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// Dylan lexer.
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var Dylan = internal.Register(MustNewLexer(
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&Config{
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Name: "Dylan",
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Aliases: []string{"dylan"},
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Filenames: []string{"*.dylan", "*.dyl", "*.intr"},
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MimeTypes: []string{"text/x-dylan"},
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CaseInsensitive: true,
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},
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Rules{
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"root": {
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{`\s+`, Whitespace, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`([a-z0-9-]+:)([ \t]*)(.*(?:\n[ \t].+)*)`, ByGroups(NameAttribute, Whitespace, LiteralString), nil},
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Default(Push("code")),
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},
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"code": {
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{`\s+`, Whitespace, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`/\*`, CommentMultiline, Push("comment")},
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{`"`, LiteralString, Push("string")},
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{`'(\\.|\\[0-7]{1,3}|\\x[a-f0-9]{1,2}|[^\\\'\n])'`, LiteralStringChar, nil},
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{`#b[01]+`, LiteralNumberBin, nil},
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{`#o[0-7]+`, LiteralNumberOct, nil},
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{`[-+]?(\d*\.\d+([ed][-+]?\d+)?|\d+(\.\d*)?e[-+]?\d+)`, LiteralNumberFloat, nil},
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{`[-+]?\d+`, LiteralNumberInteger, nil},
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{`#x[0-9a-f]+`, LiteralNumberHex, nil},
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{`(\?\\?)([\w!&*<>|^$%@+~?/=-]+)(:)(token|name|variable|expression|body|case-body|\*)`,
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ByGroups(Operator, NameVariable, Operator, NameBuiltin), nil},
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{`(\?)(:)(token|name|variable|expression|body|case-body|\*)`,
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ByGroups(Operator, Operator, NameVariable), nil},
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{`(\?\\?)([\w!&*<>|^$%@+~?/=-]+)`, ByGroups(Operator, NameVariable), nil},
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{`(=>|::|#\(|#\[|##|\?\?|\?=|\?|[(){}\[\],.;])`, Punctuation, nil},
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{`:=`, Operator, nil},
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{`#[tf]`, Literal, nil},
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{`#"`, LiteralStringSymbol, Push("symbol")},
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{`#[a-z0-9-]+`, Keyword, nil},
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{`#(all-keys|include|key|next|rest)`, Keyword, nil},
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{`[\w!&*<>|^$%@+~?/=-]+:`, KeywordConstant, nil},
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{`<[\w!&*<>|^$%@+~?/=-]+>`, NameClass, nil},
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{`\*[\w!&*<>|^$%@+~?/=-]+\*`, NameVariableGlobal, nil},
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{`\$[\w!&*<>|^$%@+~?/=-]+`, NameConstant, nil},
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{`(let|method|function)([ \t]+)([\w!&*<>|^$%@+~?/=-]+)`, ByGroups(NameBuiltin, Whitespace, NameVariable), nil},
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{`(error|signal|return|break)`, NameException, nil},
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{`(\\?)([\w!&*<>|^$%@+~?/=-]+)`, ByGroups(Operator, Name), nil},
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},
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"comment": {
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{`[^*/]`, CommentMultiline, nil},
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{`/\*`, CommentMultiline, Push()},
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{`\*/`, CommentMultiline, Pop(1)},
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{`[*/]`, CommentMultiline, nil},
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},
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"symbol": {
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{`"`, LiteralStringSymbol, Pop(1)},
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{`[^\\"]+`, LiteralStringSymbol, nil},
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},
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"string": {
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{`"`, LiteralString, Pop(1)},
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{`\\([\\abfnrtv"\']|x[a-f0-9]{2,4}|[0-7]{1,3})`, LiteralStringEscape, nil},
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{`[^\\"\n]+`, LiteralString, nil},
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{`\\\n`, LiteralString, nil},
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{`\\`, LiteralString, nil},
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},
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},
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))
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20
lexers/testdata/dylan.actual
vendored
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20
lexers/testdata/dylan.actual
vendored
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@ -0,0 +1,20 @@
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Module: mod
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define constant $pi = 3.1415927d0;
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define macro moo
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{ moo(?:name, ?e:expression) } => { let ?name = ?e; }
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end;
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// abc
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define method foo-bar (n :: <integer>, #rest a, #key k, #all-keys) => (m :: <float>, b :: <boolean>)
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let x = n + 2.0 + #b10 + #o2 + #x02;
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format-out("dog // cat\n");
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local method pi () $pi end;
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pi()
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end method foo-bar;
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/*
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cow
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*/
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foo-bar(2, k: k, a-b: c);
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175
lexers/testdata/dylan.expected
vendored
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175
lexers/testdata/dylan.expected
vendored
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@ -0,0 +1,175 @@
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[
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{"type":"NameAttribute","value":"Module:"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"mod"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"Name","value":"define"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"constant"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameConstant","value":"$pi"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberFloat","value":"3.1415927d0"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"Name","value":"define"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"macro"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"moo"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"moo"},
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{"type":"Punctuation","value":"("},
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{"type":"Operator","value":"?:"},
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{"type":"NameVariable","value":"name"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"?"},
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{"type":"NameVariable","value":"e"},
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{"type":"Operator","value":":"},
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{"type":"NameBuiltin","value":"expression"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"=\u003e"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"let"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameVariable","value":"?name"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"?"},
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{"type":"NameVariable","value":"e"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Name","value":"end"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentSingle","value":"// abc\n"},
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{"type":"Name","value":"define"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"method"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameVariable","value":"foo-bar"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"n"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"::"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"\u003cinteger\u003e"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"#rest"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"a"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"#key"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"k"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"#all-keys"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"=\u003e"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"m"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"::"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"\u003cfloat\u003e"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"b"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"::"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"\u003cboolean\u003e"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"NameBuiltin","value":"let"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameVariable","value":"x"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"n"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"+"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberFloat","value":"2.0"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"+"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberBin","value":"#b10"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"+"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberOct","value":"#o2"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"+"},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberHex","value":"#x02"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"format-out"},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralString","value":"\"dog // cat"},
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{"type":"LiteralStringEscape","value":"\\n"},
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{"type":"LiteralString","value":"\""},
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{"type":"Punctuation","value":");"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"local"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"method"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameVariable","value":"pi"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"()"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameConstant","value":"$pi"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"end"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"pi"},
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{"type":"Punctuation","value":"()"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Name","value":"end"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameBuiltin","value":"method"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameVariable","value":"foo-bar"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"CommentMultiline","value":"/*\n cow\n */"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Name","value":"foo-bar"},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralNumberInteger","value":"2"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordConstant","value":"k:"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"k"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordConstant","value":"a-b:"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"c"},
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{"type":"Punctuation","value":");"},
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{"type":"TextWhitespace","value":"\n"}
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]
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