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