64 lines
3.4 KiB
Go
64 lines
3.4 KiB
Go
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package lexers
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import (
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. "github.com/alecthomas/chroma" // nolint
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)
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// Powershell lexer.
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var Powershell = Register(MustNewLexer(
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&Config{
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Name: "PowerShell",
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Aliases: []string{"powershell", "posh", "ps1", "psm1"},
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Filenames: []string{"*.ps1", "*.psm1"},
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MimeTypes: []string{"text/x-powershell"},
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DotAll: true,
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CaseInsensitive: true,
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},
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Rules{
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"root": {
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{`\(`, Punctuation, Push("child")},
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{`\s+`, Text, nil},
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{`^(\s*#[#\s]*)(\.(?:component|description|example|externalhelp|forwardhelpcategory|forwardhelptargetname|functionality|inputs|link|notes|outputs|parameter|remotehelprunspace|role|synopsis))([^\n]*$)`, ByGroups(Comment, LiteralStringDoc, Comment), nil},
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{`#[^\n]*?$`, Comment, nil},
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{`(<|<)#`, CommentMultiline, Push("multline")},
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{`@"\n`, LiteralStringHeredoc, Push("heredoc-double")},
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{`@'\n.*?\n'@`, LiteralStringHeredoc, nil},
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{"`[\\'\"$@-]", Punctuation, nil},
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{`"`, LiteralStringDouble, Push("string")},
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{`'([^']|'')*'`, LiteralStringSingle, nil},
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{`(\$|@@|@)((global|script|private|env):)?\w+`, NameVariable, nil},
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{`(while|validateset|validaterange|validatepattern|validatelength|validatecount|until|trap|switch|return|ref|process|param|parameter|in|if|global:|function|foreach|for|finally|filter|end|elseif|else|dynamicparam|do|default|continue|cmdletbinding|break|begin|alias|\?|%|#script|#private|#local|#global|mandatory|parametersetname|position|valuefrompipeline|valuefrompipelinebypropertyname|valuefromremainingarguments|helpmessage|try|catch|throw)\b`, Keyword, nil},
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{`-(and|as|band|bnot|bor|bxor|casesensitive|ccontains|ceq|cge|cgt|cle|clike|clt|cmatch|cne|cnotcontains|cnotlike|cnotmatch|contains|creplace|eq|exact|f|file|ge|gt|icontains|ieq|ige|igt|ile|ilike|ilt|imatch|ine|inotcontains|inotlike|inotmatch|ireplace|is|isnot|le|like|lt|match|ne|not|notcontains|notlike|notmatch|or|regex|replace|wildcard)\b`, Operator, nil},
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{`(write|where|wait|use|update|unregister|undo|trace|test|tee|take|suspend|stop|start|split|sort|skip|show|set|send|select|scroll|resume|restore|restart|resolve|resize|reset|rename|remove|register|receive|read|push|pop|ping|out|new|move|measure|limit|join|invoke|import|group|get|format|foreach|export|expand|exit|enter|enable|disconnect|disable|debug|cxnew|copy|convertto|convertfrom|convert|connect|complete|compare|clear|checkpoint|aggregate|add)-[a-z_]\w*\b`, NameBuiltin, nil},
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{"\\[[a-z_\\[][\\w. `,\\[\\]]*\\]", NameConstant, nil},
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{`-[a-z_]\w*`, Name, nil},
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{`\w+`, Name, nil},
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{"[.,;@{}\\[\\]$()=+*/\\\\&%!~?^`|<>-]|::", Punctuation, nil},
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},
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"child": {
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{`\)`, Punctuation, Pop(1)},
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Include("root"),
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},
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"multline": {
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{`[^#&.]+`, CommentMultiline, nil},
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{`#(>|>)`, CommentMultiline, Pop(1)},
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{`\.(component|description|example|externalhelp|forwardhelpcategory|forwardhelptargetname|functionality|inputs|link|notes|outputs|parameter|remotehelprunspace|role|synopsis)`, LiteralStringDoc, nil},
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{`[#&.]`, CommentMultiline, nil},
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},
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"string": {
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{"`[0abfnrtv'\\\"$`]", LiteralStringEscape, nil},
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{"[^$`\"]+", LiteralStringDouble, nil},
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{`\$\(`, Punctuation, Push("child")},
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{`""`, LiteralStringDouble, nil},
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{"[`$]", LiteralStringDouble, nil},
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{`"`, LiteralStringDouble, Pop(1)},
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},
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"heredoc-double": {
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{`\n"@`, LiteralStringHeredoc, Pop(1)},
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{`\$\(`, Punctuation, Push("child")},
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{`[^@\n]+"]`, LiteralStringHeredoc, nil},
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{`.`, LiteralStringHeredoc, nil},
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},
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},
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))
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