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comparison vendor/github.com/alecthomas/chroma/v2/lexers/go.go @ 66:787b5ee0289d draft

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Use vendored modules Signed-off-by: Izuru Yakumo <yakumo.izuru@chaotic.ninja>
author yakumo.izuru
date Sun, 23 Jul 2023 13:18:53 +0000
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65:6d985efa0f7a 66:787b5ee0289d
1 package lexers
2
3 import (
4 "strings"
5
6 . "github.com/alecthomas/chroma/v2" // nolint
7 )
8
9 // Go lexer.
10 var Go = Register(MustNewLexer(
11 &Config{
12 Name: "Go",
13 Aliases: []string{"go", "golang"},
14 Filenames: []string{"*.go"},
15 MimeTypes: []string{"text/x-gosrc"},
16 EnsureNL: true,
17 },
18 goRules,
19 ).SetAnalyser(func(text string) float32 {
20 if strings.Contains(text, "fmt.") && strings.Contains(text, "package ") {
21 return 0.5
22 }
23 if strings.Contains(text, "package ") {
24 return 0.1
25 }
26 return 0.0
27 }))
28
29 func goRules() Rules {
30 return Rules{
31 "root": {
32 {`\n`, Text, nil},
33 {`\s+`, Text, nil},
34 {`\\\n`, Text, nil},
35 {`//(.*?)\n`, CommentSingle, nil},
36 {`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
37 {`(import|package)\b`, KeywordNamespace, nil},
38 {`(var|func|struct|map|chan|type|interface|const)\b`, KeywordDeclaration, nil},
39 {Words(``, `\b`, `break`, `default`, `select`, `case`, `defer`, `go`, `else`, `goto`, `switch`, `fallthrough`, `if`, `range`, `continue`, `for`, `return`), Keyword, nil},
40 {`(true|false|iota|nil)\b`, KeywordConstant, nil},
41 {Words(``, `\b(\()`, `uint`, `uint8`, `uint16`, `uint32`, `uint64`, `int`, `int8`, `int16`, `int32`, `int64`, `float`, `float32`, `float64`, `complex64`, `complex128`, `byte`, `rune`, `string`, `bool`, `error`, `uintptr`, `print`, `println`, `panic`, `recover`, `close`, `complex`, `real`, `imag`, `len`, `cap`, `append`, `copy`, `delete`, `new`, `make`), ByGroups(NameBuiltin, Punctuation), nil},
42 {Words(``, `\b`, `uint`, `uint8`, `uint16`, `uint32`, `uint64`, `int`, `int8`, `int16`, `int32`, `int64`, `float`, `float32`, `float64`, `complex64`, `complex128`, `byte`, `rune`, `string`, `bool`, `error`, `uintptr`), KeywordType, nil},
43 {`\d+i`, LiteralNumber, nil},
44 {`\d+\.\d*([Ee][-+]\d+)?i`, LiteralNumber, nil},
45 {`\.\d+([Ee][-+]\d+)?i`, LiteralNumber, nil},
46 {`\d+[Ee][-+]\d+i`, LiteralNumber, nil},
47 {`\d+(\.\d+[eE][+\-]?\d+|\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
48 {`\.\d+([eE][+\-]?\d+)?`, LiteralNumberFloat, nil},
49 {`0[0-7]+`, LiteralNumberOct, nil},
50 {`0[xX][0-9a-fA-F_]+`, LiteralNumberHex, nil},
51 {`0b[01_]+`, LiteralNumberBin, nil},
52 {`(0|[1-9][0-9_]*)`, LiteralNumberInteger, nil},
53 {`'(\\['"\\abfnrtv]|\\x[0-9a-fA-F]{2}|\\[0-7]{1,3}|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|[^\\])'`, LiteralStringChar, nil},
54 {"(`)([^`]*)(`)", ByGroups(LiteralString, UsingLexer(TypeRemappingLexer(GoTextTemplate, TypeMapping{{Other, LiteralString, nil}})), LiteralString), nil},
55 {`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
56 {`(<<=|>>=|<<|>>|<=|>=|&\^=|&\^|\+=|-=|\*=|/=|%=|&=|\|=|&&|\|\||<-|\+\+|--|==|!=|:=|\.\.\.|[+\-*/%&])`, Operator, nil},
57 {`([a-zA-Z_]\w*)(\s*)(\()`, ByGroups(NameFunction, UsingSelf("root"), Punctuation), nil},
58 {`[|^<>=!()\[\]{}.,;:]`, Punctuation, nil},
59 {`[^\W\d]\w*`, NameOther, nil},
60 },
61 }
62 }
63
64 var GoHTMLTemplate = Register(DelegatingLexer(HTML, MustNewXMLLexer(
65 embedded,
66 "embedded/go_template.xml",
67 ).SetConfig(
68 &Config{
69 Name: "Go HTML Template",
70 Aliases: []string{"go-html-template"},
71 },
72 )))
73
74 var GoTextTemplate = Register(MustNewXMLLexer(
75 embedded,
76 "embedded/go_template.xml",
77 ).SetConfig(
78 &Config{
79 Name: "Go Text Template",
80 Aliases: []string{"go-text-template"},
81 },
82 ))