1package t
 2
 3import (
 4	. "github.com/alecthomas/chroma" // nolint
 5	"github.com/alecthomas/chroma/lexers/internal"
 6)
 7
 8// Tcsh lexer.
 9var Tcsh = internal.Register(MustNewLexer(
10	&Config{
11		Name:      "Tcsh",
12		Aliases:   []string{"tcsh", "csh"},
13		Filenames: []string{"*.tcsh", "*.csh"},
14		MimeTypes: []string{"application/x-csh"},
15	},
16	Rules{
17		"root": {
18			Include("basic"),
19			{`\$\(`, Keyword, Push("paren")},
20			{`\$\{#?`, Keyword, Push("curly")},
21			{"`", LiteralStringBacktick, Push("backticks")},
22			Include("data"),
23		},
24		"basic": {
25			{`\b(if|endif|else|while|then|foreach|case|default|continue|goto|breaksw|end|switch|endsw)\s*\b`, Keyword, nil},
26			{`\b(alias|alloc|bg|bindkey|break|builtins|bye|caller|cd|chdir|complete|dirs|echo|echotc|eval|exec|exit|fg|filetest|getxvers|glob|getspath|hashstat|history|hup|inlib|jobs|kill|limit|log|login|logout|ls-F|migrate|newgrp|nice|nohup|notify|onintr|popd|printenv|pushd|rehash|repeat|rootnode|popd|pushd|set|shift|sched|setenv|setpath|settc|setty|setxvers|shift|source|stop|suspend|source|suspend|telltc|time|umask|unalias|uncomplete|unhash|universe|unlimit|unset|unsetenv|ver|wait|warp|watchlog|where|which)\s*\b`, NameBuiltin, nil},
27			{`#.*`, Comment, nil},
28			{`\\[\w\W]`, LiteralStringEscape, nil},
29			{`(\b\w+)(\s*)(=)`, ByGroups(NameVariable, Text, Operator), nil},
30			{`[\[\]{}()=]+`, Operator, nil},
31			{`<<\s*(\'?)\\?(\w+)[\w\W]+?\2`, LiteralString, nil},
32			{`;`, Punctuation, nil},
33		},
34		"data": {
35			{`(?s)"(\\\\|\\[0-7]+|\\.|[^"\\])*"`, LiteralStringDouble, nil},
36			{`(?s)'(\\\\|\\[0-7]+|\\.|[^'\\])*'`, LiteralStringSingle, nil},
37			{`\s+`, Text, nil},
38			{"[^=\\s\\[\\]{}()$\"\\'`\\\\;#]+", Text, nil},
39			{`\d+(?= |\Z)`, LiteralNumber, nil},
40			{`\$#?(\w+|.)`, NameVariable, nil},
41		},
42		"curly": {
43			{`\}`, Keyword, Pop(1)},
44			{`:-`, Keyword, nil},
45			{`\w+`, NameVariable, nil},
46			{"[^}:\"\\'`$]+", Punctuation, nil},
47			{`:`, Punctuation, nil},
48			Include("root"),
49		},
50		"paren": {
51			{`\)`, Keyword, Pop(1)},
52			Include("root"),
53		},
54		"backticks": {
55			{"`", LiteralStringBacktick, Pop(1)},
56			Include("root"),
57		},
58	},
59))