57 lines
2.5 KiB
Go
57 lines
2.5 KiB
Go
package g
|
|
|
|
import (
|
|
"strings"
|
|
|
|
. "github.com/alecthomas/chroma" // nolint
|
|
"github.com/alecthomas/chroma/lexers/internal"
|
|
)
|
|
|
|
// Go lexer.
|
|
var Go = internal.Register(MustNewLexer(
|
|
&Config{
|
|
Name: "Go",
|
|
Aliases: []string{"go", "golang"},
|
|
Filenames: []string{"*.go"},
|
|
MimeTypes: []string{"text/x-gosrc"},
|
|
},
|
|
Rules{
|
|
"root": {
|
|
{`\n`, Text, nil},
|
|
{`\s+`, Text, nil},
|
|
{`\\\n`, Text, nil},
|
|
{`//(.*?)\n`, CommentSingle, nil},
|
|
{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
|
|
{`(import|package)\b`, KeywordNamespace, nil},
|
|
{`(var|func|struct|map|chan|type|interface|const)\b`, KeywordDeclaration, nil},
|
|
{Words(``, `\b`, `break`, `default`, `select`, `case`, `defer`, `go`, `else`, `goto`, `switch`, `fallthrough`, `if`, `range`, `continue`, `for`, `return`), Keyword, nil},
|
|
{`(true|false|iota|nil)\b`, KeywordConstant, nil},
|
|
{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},
|
|
{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},
|
|
{`\d+i`, LiteralNumber, nil},
|
|
{`\d+\.\d*([Ee][-+]\d+)?i`, LiteralNumber, nil},
|
|
{`\.\d+([Ee][-+]\d+)?i`, LiteralNumber, nil},
|
|
{`\d+[Ee][-+]\d+i`, LiteralNumber, nil},
|
|
{`\d+(\.\d+[eE][+\-]?\d+|\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
|
|
{`\.\d+([eE][+\-]?\d+)?`, LiteralNumberFloat, nil},
|
|
{`0[0-7]+`, LiteralNumberOct, nil},
|
|
{`0[xX][0-9a-fA-F]+`, LiteralNumberHex, nil},
|
|
{`(0|[1-9][0-9]*)`, LiteralNumberInteger, nil},
|
|
{`'(\\['"\\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},
|
|
{"`[^`]*`", LiteralString, nil},
|
|
{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
|
|
{`(<<=|>>=|<<|>>|<=|>=|&\^=|&\^|\+=|-=|\*=|/=|%=|&=|\|=|&&|\|\||<-|\+\+|--|==|!=|:=|\.\.\.|[+\-*/%&])`, Operator, nil},
|
|
{`[|^<>=!()\[\]{}.,;:]`, Punctuation, nil},
|
|
{`[^\W\d]\w*`, NameOther, nil},
|
|
},
|
|
},
|
|
).SetAnalyser(func(text string) float32 {
|
|
if strings.Contains(text, "fmt.") && strings.Contains(text, "package ") {
|
|
return 0.5
|
|
}
|
|
if strings.Contains(text, "package ") {
|
|
return 0.1
|
|
}
|
|
return 0.0
|
|
}))
|