forked from alecthomas/chroma
-
Notifications
You must be signed in to change notification settings - Fork 0
/
fish.go
65 lines (63 loc) · 2.24 KB
/
fish.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
package f
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Fish lexer.
var Fish = internal.Register(MustNewLexer(
&Config{
Name: "Fish",
Aliases: []string{"fish", "fishshell"},
Filenames: []string{"*.fish", "*.load"},
MimeTypes: []string{"application/x-fish"},
},
Rules{
"root": {
Include("basic"),
Include("data"),
Include("interp"),
},
"interp": {
{`\$\(\(`, Keyword, Push("math")},
{`\(`, Keyword, Push("paren")},
{`\$#?(\w+|.)`, NameVariable, nil},
},
"basic": {
{`\b(begin|end|if|else|while|break|for|in|return|function|block|case|continue|switch|not|and|or|set|echo|exit|pwd|true|false|cd|count|test)(\s*)\b`, ByGroups(Keyword, Text), nil},
{`\b(alias|bg|bind|breakpoint|builtin|command|commandline|complete|contains|dirh|dirs|emit|eval|exec|fg|fish|fish_config|fish_indent|fish_pager|fish_prompt|fish_right_prompt|fish_update_completions|fishd|funced|funcsave|functions|help|history|isatty|jobs|math|mimedb|nextd|open|popd|prevd|psub|pushd|random|read|set_color|source|status|trap|type|ulimit|umask|vared|fc|getopts|hash|kill|printf|time|wait)\s*\b(?!\.)`, NameBuiltin, nil},
{`#.*\n`, Comment, nil},
{`\\[\w\W]`, LiteralStringEscape, nil},
{`(\b\w+)(\s*)(=)`, ByGroups(NameVariable, Text, Operator), nil},
{`[\[\]()=]`, Operator, nil},
{`<<-?\s*(\'?)\\?(\w+)[\w\W]+?\2`, LiteralString, nil},
},
"data": {
{`(?s)\$?"(\\\\|\\[0-7]+|\\.|[^"\\$])*"`, LiteralStringDouble, nil},
{`"`, LiteralStringDouble, Push("string")},
{`(?s)\$'(\\\\|\\[0-7]+|\\.|[^'\\])*'`, LiteralStringSingle, nil},
{`(?s)'.*?'`, LiteralStringSingle, nil},
{`;`, Punctuation, nil},
{`&|\||\^|<|>`, Operator, nil},
{`\s+`, Text, nil},
{`\d+(?= |\Z)`, LiteralNumber, nil},
{"[^=\\s\\[\\]{}()$\"\\'`\\\\<&|;]+", Text, nil},
},
"string": {
{`"`, LiteralStringDouble, Pop(1)},
{`(?s)(\\\\|\\[0-7]+|\\.|[^"\\$])+`, LiteralStringDouble, nil},
Include("interp"),
},
"paren": {
{`\)`, Keyword, Pop(1)},
Include("root"),
},
"math": {
{`\)\)`, Keyword, Pop(1)},
{`[-+*/%^|&]|\*\*|\|\|`, Operator, nil},
{`\d+#\d+`, LiteralNumber, nil},
{`\d+#(?! )`, LiteralNumber, nil},
{`\d+`, LiteralNumber, nil},
Include("root"),
},
},
))