mirror of
https://github.com/cheat/cheat.git
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74 lines
3.0 KiB
Go
74 lines
3.0 KiB
Go
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package j
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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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// J lexer.
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var J = internal.Register(MustNewLexer(
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&Config{
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Name: "J",
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Aliases: []string{"j"},
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Filenames: []string{"*.ijs"},
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MimeTypes: []string{"text/x-j"},
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},
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Rules{
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"root": {
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{`#!.*$`, CommentPreproc, nil},
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{`NB\..*`, CommentSingle, nil},
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{`\n+\s*Note`, CommentMultiline, Push("comment")},
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{`\s*Note.*`, CommentSingle, nil},
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{`\s+`, Text, nil},
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{`'`, LiteralString, Push("singlequote")},
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{`0\s+:\s*0|noun\s+define\s*$`, NameEntity, Push("nounDefinition")},
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{`(([1-4]|13)\s+:\s*0|(adverb|conjunction|dyad|monad|verb)\s+define)\b`, NameFunction, Push("explicitDefinition")},
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{Words(``, `\b[a-zA-Z]\w*\.`, `for_`, `goto_`, `label_`), NameLabel, nil},
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{Words(``, `\.`, `assert`, `break`, `case`, `catch`, `catchd`, `catcht`, `continue`, `do`, `else`, `elseif`, `end`, `fcase`, `for`, `if`, `return`, `select`, `throw`, `try`, `while`, `whilst`), NameLabel, nil},
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{`\b[a-zA-Z]\w*`, NameVariable, nil},
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{Words(``, ``, `ARGV`, `CR`, `CRLF`, `DEL`, `Debug`, `EAV`, `EMPTY`, `FF`, `JVERSION`, `LF`, `LF2`, `Note`, `TAB`, `alpha17`, `alpha27`, `apply`, `bind`, `boxopen`, `boxxopen`, `bx`, `clear`, `cutLF`, `cutopen`, `datatype`, `def`, `dfh`, `drop`, `each`, `echo`, `empty`, `erase`, `every`, `evtloop`, `exit`, `expand`, `fetch`, `file2url`, `fixdotdot`, `fliprgb`, `getargs`, `getenv`, `hfd`, `inv`, `inverse`, `iospath`, `isatty`, `isutf8`, `items`, `leaf`, `list`, `nameclass`, `namelist`, `names`, `nc`, `nl`, `on`, `pick`, `rows`, `script`, `scriptd`, `sign`, `sminfo`, `smoutput`, `sort`, `split`, `stderr`, `stdin`, `stdout`, `table`, `take`, `timespacex`, `timex`, `tmoutput`, `toCRLF`, `toHOST`, `toJ`, `tolower`, `toupper`, `type`, `ucp`, `ucpcount`, `usleep`, `utf8`, `uucp`), NameFunction, nil},
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{`=[.:]`, Operator, nil},
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{"[-=+*#$%@!~`^&\";:.,<>{}\\[\\]\\\\|/]", Operator, nil},
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{`[abCdDeEfHiIjLMoprtT]\.`, KeywordReserved, nil},
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{`[aDiLpqsStux]\:`, KeywordReserved, nil},
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{`(_[0-9])\:`, KeywordConstant, nil},
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{`\(`, Punctuation, Push("parentheses")},
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Include("numbers"),
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},
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"comment": {
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{`[^)]`, CommentMultiline, nil},
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{`^\)`, CommentMultiline, Pop(1)},
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{`[)]`, CommentMultiline, nil},
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},
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"explicitDefinition": {
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{`\b[nmuvxy]\b`, NameDecorator, nil},
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Include("root"),
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{`[^)]`, Name, nil},
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{`^\)`, NameLabel, Pop(1)},
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{`[)]`, Name, nil},
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},
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"numbers": {
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{`\b_{1,2}\b`, LiteralNumber, nil},
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{`_?\d+(\.\d+)?(\s*[ejr]\s*)_?\d+(\.?=\d+)?`, LiteralNumber, nil},
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{`_?\d+\.(?=\d+)`, LiteralNumberFloat, nil},
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{`_?\d+x`, LiteralNumberIntegerLong, nil},
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{`_?\d+`, LiteralNumberInteger, nil},
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},
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"nounDefinition": {
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{`[^)]`, LiteralString, nil},
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{`^\)`, NameLabel, Pop(1)},
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{`[)]`, LiteralString, nil},
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},
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"parentheses": {
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{`\)`, Punctuation, Pop(1)},
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Include("explicitDefinition"),
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Include("root"),
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},
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"singlequote": {
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{`[^']`, LiteralString, nil},
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{`''`, LiteralString, nil},
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{`'`, LiteralString, Pop(1)},
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},
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},
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))
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