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TextEdit: Add syntax highlighting for Go files

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This commit is contained in:
Luke I. Wilson 2021-03-30 23:00:32 -05:00
parent aaf377ccd5
commit 37589144b5
2 changed files with 13 additions and 2 deletions
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1
ui/buffer/language.go
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@ -7,6 +7,7 @@ type Syntax uint8
const (
Default Syntax = iota
Keyword
String
Special
Type
Number

14
ui/textedit.go
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@ -95,13 +95,23 @@ loop:
Name: "Go",
Filetypes: []string{".go"},
Rules: map[*regexp.Regexp]buffer.Syntax {
regexp.MustCompile("(if|for|func|switch)"): buffer.Keyword,
regexp.MustCompile("\\/\\/.*"): buffer.Comment,
regexp.MustCompile("\".*\""): buffer.String,
regexp.MustCompile("\\b(var|if|else|range|for|switch|case|go|func|return|defer|import|package)\\b"): buffer.Keyword,
regexp.MustCompile("\\b(int|byte|string|bool)\\b"): buffer.Type,
regexp.MustCompile("\\b([1-9][0-9]*|0[0-7]*|0[Xx][0-9A-Fa-f]+|0[Bb][01]+)\\b"): buffer.Number,
regexp.MustCompile("\\b(len|cap|panic)\\b"): buffer.Builtin,
},
}
colorscheme := &buffer.Colorscheme {
buffer.Default: tcell.Style{}.Foreground(tcell.ColorLightGray).Background(tcell.ColorBlack),
buffer.Keyword: tcell.Style{}.Foreground(tcell.ColorBlue).Background(tcell.ColorBlack),
buffer.Comment: tcell.Style{}.Foreground(tcell.ColorGray).Background(tcell.ColorBlack),
buffer.String: tcell.Style{}.Foreground(tcell.ColorOlive).Background(tcell.ColorBlack),
buffer.Keyword: tcell.Style{}.Foreground(tcell.ColorNavy).Background(tcell.ColorBlack),
buffer.Type: tcell.Style{}.Foreground(tcell.ColorPurple).Background(tcell.ColorBlack),
buffer.Number: tcell.Style{}.Foreground(tcell.ColorFuchsia).Background(tcell.ColorBlack),
buffer.Builtin: tcell.Style{}.Foreground(tcell.ColorBlue).Background(tcell.ColorBlack),
}
t.Highlighter = buffer.NewHighlighter(t.Buffer, lang, colorscheme)