cheat/vendor/github.com/alecthomas/chroma/lexers/p/powershell.go
2019-10-27 12:04:31 -04:00

64 lines
3.5 KiB
Go

package p
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Powershell lexer.
var Powershell = internal.Register(MustNewLexer(
&Config{
Name: "PowerShell",
Aliases: []string{"powershell", "posh", "ps1", "psm1"},
Filenames: []string{"*.ps1", "*.psm1"},
MimeTypes: []string{"text/x-powershell"},
DotAll: true,
CaseInsensitive: true,
},
Rules{
"root": {
{`\(`, Punctuation, Push("child")},
{`\s+`, Text, nil},
{`^(\s*#[#\s]*)(\.(?:component|description|example|externalhelp|forwardhelpcategory|forwardhelptargetname|functionality|inputs|link|notes|outputs|parameter|remotehelprunspace|role|synopsis))([^\n]*$)`, ByGroups(Comment, LiteralStringDoc, Comment), nil},
{`#[^\n]*?$`, Comment, nil},
{`(&lt;|<)#`, CommentMultiline, Push("multline")},
{`@"\n`, LiteralStringHeredoc, Push("heredoc-double")},
{`@'\n.*?\n'@`, LiteralStringHeredoc, nil},
{"`[\\'\"$@-]", Punctuation, nil},
{`"`, LiteralStringDouble, Push("string")},
{`'([^']|'')*'`, LiteralStringSingle, nil},
{`(\$|@@|@)((global|script|private|env):)?\w+`, NameVariable, nil},
{`(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},
{`-(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},
{`(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},
{"\\[[a-z_\\[][\\w. `,\\[\\]]*\\]", NameConstant, nil},
{`-[a-z_]\w*`, Name, nil},
{`\w+`, Name, nil},
{"[.,;@{}\\[\\]$()=+*/\\\\&%!~?^`|<>-]|::", Punctuation, nil},
},
"child": {
{`\)`, Punctuation, Pop(1)},
Include("root"),
},
"multline": {
{`[^#&.]+`, CommentMultiline, nil},
{`#(>|&gt;)`, CommentMultiline, Pop(1)},
{`\.(component|description|example|externalhelp|forwardhelpcategory|forwardhelptargetname|functionality|inputs|link|notes|outputs|parameter|remotehelprunspace|role|synopsis)`, LiteralStringDoc, nil},
{`[#&.]`, CommentMultiline, nil},
},
"string": {
{"`[0abfnrtv'\\\"$`]", LiteralStringEscape, nil},
{"[^$`\"]+", LiteralStringDouble, nil},
{`\$\(`, Punctuation, Push("child")},
{`""`, LiteralStringDouble, nil},
{"[`$]", LiteralStringDouble, nil},
{`"`, LiteralStringDouble, Pop(1)},
},
"heredoc-double": {
{`\n"@`, LiteralStringHeredoc, Pop(1)},
{`\$\(`, Punctuation, Push("child")},
{`[^@\n]+"]`, LiteralStringHeredoc, nil},
{`.`, LiteralStringHeredoc, nil},
},
},
))