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gitea/vendor/github.com/alecthomas/chroma/lexers/t/tcsh.go

63 lines
2.1 KiB

package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Tcsh lexer.
var Tcsh = internal.Register(MustNewLazyLexer(
&Config{
Name: "Tcsh",
Aliases: []string{"tcsh", "csh"},
Filenames: []string{"*.tcsh", "*.csh"},
MimeTypes: []string{"application/x-csh"},
},
tcshRules,
))
func tcshRules() Rules {
return Rules{
"root": {
Include("basic"),
{`\$\(`, Keyword, Push("paren")},
{`\$\{#?`, Keyword, Push("curly")},
{"`", LiteralStringBacktick, Push("backticks")},
Include("data"),
},
"basic": {
{`\b(if|endif|else|while|then|foreach|case|default|continue|goto|breaksw|end|switch|endsw)\s*\b`, Keyword, nil},
{`\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},
{`#.*`, Comment, nil},
{`\\[\w\W]`, LiteralStringEscape, nil},
{`(\b\w+)(\s*)(=)`, ByGroups(NameVariable, Text, Operator), nil},
{`[\[\]{}()=]+`, Operator, nil},
{`<<\s*(\'?)\\?(\w+)[\w\W]+?\2`, LiteralString, nil},
{`;`, Punctuation, nil},
},
"data": {
{`(?s)"(\\\\|\\[0-7]+|\\.|[^"\\])*"`, LiteralStringDouble, nil},
{`(?s)'(\\\\|\\[0-7]+|\\.|[^'\\])*'`, LiteralStringSingle, nil},
{`\s+`, Text, nil},
{"[^=\\s\\[\\]{}()$\"\\'`\\\\;#]+", Text, nil},
{`\d+(?= |\Z)`, LiteralNumber, nil},
{`\$#?(\w+|.)`, NameVariable, nil},
},
"curly": {
{`\}`, Keyword, Pop(1)},
{`:-`, Keyword, nil},
{`\w+`, NameVariable, nil},
{"[^}:\"\\'`$]+", Punctuation, nil},
{`:`, Punctuation, nil},
Include("root"),
},
"paren": {
{`\)`, Keyword, Pop(1)},
Include("root"),
},
"backticks": {
{"`", LiteralStringBacktick, Pop(1)},
Include("root"),
},
}
}