mirror of
https://gitea.com/Sirherobrine23/tea.git
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Co-authored-by: Norwin Roosen <git@nroo.de> Co-authored-by: Norwin <git@nroo.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/390 Reviewed-by: 6543 <6543@obermui.de> Reviewed-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Norwin <noerw@noreply.gitea.io> Co-committed-by: Norwin <noerw@noreply.gitea.io>
122 lines
4.8 KiB
Go
122 lines
4.8 KiB
Go
package g
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import (
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"strings"
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/h"
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Go lexer.
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var Go = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Go",
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Aliases: []string{"go", "golang"},
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Filenames: []string{"*.go"},
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MimeTypes: []string{"text/x-gosrc"},
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EnsureNL: true,
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},
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goRules,
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).SetAnalyser(func(text string) float32 {
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if strings.Contains(text, "fmt.") && strings.Contains(text, "package ") {
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return 0.5
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}
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if strings.Contains(text, "package ") {
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return 0.1
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}
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return 0.0
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}))
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func goRules() Rules {
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return Rules{
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"root": {
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{`\n`, Text, nil},
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{`\s+`, Text, 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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{`(import|package)\b`, KeywordNamespace, nil},
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{`(var|func|struct|map|chan|type|interface|const)\b`, KeywordDeclaration, nil},
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{Words(``, `\b`, `break`, `default`, `select`, `case`, `defer`, `go`, `else`, `goto`, `switch`, `fallthrough`, `if`, `range`, `continue`, `for`, `return`), Keyword, nil},
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{`(true|false|iota|nil)\b`, KeywordConstant, nil},
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{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},
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{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},
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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][+\-]?\d+|\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
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{`\.\d+([eE][+\-]?\d+)?`, LiteralNumberFloat, nil},
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{`0[0-7]+`, LiteralNumberOct, nil},
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{`0[xX][0-9a-fA-F_]+`, LiteralNumberHex, nil},
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{`(0|[1-9][0-9_]*)`, LiteralNumberInteger, nil},
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{`'(\\['"\\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},
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{"(`)([^`]*)(`)", ByGroups(LiteralString, Using(TypeRemappingLexer(GoTextTemplate, TypeMapping{{Other, LiteralString, nil}})), LiteralString), nil},
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{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
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{`(<<=|>>=|<<|>>|<=|>=|&\^=|&\^|\+=|-=|\*=|/=|%=|&=|\|=|&&|\|\||<-|\+\+|--|==|!=|:=|\.\.\.|[+\-*/%&])`, Operator, nil},
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{`([a-zA-Z_]\w*)(\s*)(\()`, ByGroups(NameFunction, UsingSelf("root"), Punctuation), nil},
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{`[|^<>=!()\[\]{}.,;:]`, Punctuation, nil},
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{`[^\W\d]\w*`, NameOther, nil},
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},
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}
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}
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func goTemplateRules() Rules {
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return Rules{
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"root": {
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{`{{(- )?/\*(.|\n)*?\*/( -)?}}`, CommentMultiline, nil},
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{`{{[-]?`, CommentPreproc, Push("template")},
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{`[^{]+`, Other, nil},
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{`{`, Other, nil},
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},
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"template": {
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{`[-]?}}`, CommentPreproc, Pop(1)},
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{`(?=}})`, CommentPreproc, Pop(1)}, // Terminate the pipeline
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{`\(`, Operator, Push("subexpression")},
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{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
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Include("expression"),
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},
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"subexpression": {
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{`\)`, Operator, Pop(1)},
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Include("expression"),
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},
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"expression": {
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{`\s+`, Whitespace, nil},
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{`\(`, Operator, Push("subexpression")},
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{`(range|if|else|while|with|template|end|true|false|nil|and|call|html|index|js|len|not|or|print|printf|println|urlquery|eq|ne|lt|le|gt|ge)\b`, Keyword, nil},
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{`\||:?=|,`, Operator, nil},
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{`[$]?[^\W\d]\w*`, NameOther, nil},
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{`\$|[$]?\.(?:[^\W\d]\w*)?`, NameAttribute, nil},
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{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
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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][+\-]?\d+|\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
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{`-?\.\d+([eE][+\-]?\d+)?`, LiteralNumberFloat, nil},
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{`-?0[0-7]+`, LiteralNumberOct, nil},
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{`-?0[xX][0-9a-fA-F]+`, LiteralNumberHex, nil},
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{`-?(0|[1-9][0-9]*)`, LiteralNumberInteger, nil},
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{`'(\\['"\\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},
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{"`[^`]*`", LiteralString, nil},
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},
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}
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}
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var GoHTMLTemplate = internal.Register(DelegatingLexer(h.HTML, MustNewLazyLexer(
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&Config{
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Name: "Go HTML Template",
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Aliases: []string{"go-html-template"},
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},
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goTemplateRules,
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)))
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var GoTextTemplate = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Go Text Template",
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Aliases: []string{"go-text-template"},
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},
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goTemplateRules,
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))
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