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package j
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// J lexer.
var J = internal.Register(MustNewLazyLexer(
&Config{
Name: "J",
Aliases: []string{"j"},
Filenames: []string{"*.ijs"},
MimeTypes: []string{"text/x-j"},
},
jRules,
))
func jRules() Rules {
return Rules{
"root": {
{`#!.*$`, CommentPreproc, nil},
{`NB\..*`, CommentSingle, nil},
{`\n+\s*Note`, CommentMultiline, Push("comment")},
{`\s*Note.*`, CommentSingle, nil},
{`\s+`, Text, nil},
{`'`, LiteralString, Push("singlequote")},
{`0\s+:\s*0|noun\s+define\s*$`, NameEntity, Push("nounDefinition")},
{`(([1-4]|13)\s+:\s*0|(adverb|conjunction|dyad|monad|verb)\s+define)\b`, NameFunction, Push("explicitDefinition")},
{Words(``, `\b[a-zA-Z]\w*\.`, `for_`, `goto_`, `label_`), NameLabel, nil},
{Words(``, `\.`, `assert`, `break`, `case`, `catch`, `catchd`, `catcht`, `continue`, `do`, `else`, `elseif`, `end`, `fcase`, `for`, `if`, `return`, `select`, `throw`, `try`, `while`, `whilst`), NameLabel, nil},
{`\b[a-zA-Z]\w*`, NameVariable, nil},
{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},
{`=[.:]`, Operator, nil},
{"[-=+*#$%@!~`^&\";:.,<>{}\\[\\]\\\\|/]", Operator, nil},
{`[abCdDeEfHiIjLMoprtT]\.`, KeywordReserved, nil},
{`[aDiLpqsStux]\:`, KeywordReserved, nil},
{`(_[0-9])\:`, KeywordConstant, nil},
{`\(`, Punctuation, Push("parentheses")},
Include("numbers"),
},
"comment": {
{`[^)]`, CommentMultiline, nil},
{`^\)`, CommentMultiline, Pop(1)},
{`[)]`, CommentMultiline, nil},
},
"explicitDefinition": {
{`\b[nmuvxy]\b`, NameDecorator, nil},
Include("root"),
{`[^)]`, Name, nil},
{`^\)`, NameLabel, Pop(1)},
{`[)]`, Name, nil},
},
"numbers": {
{`\b_{1,2}\b`, LiteralNumber, nil},
{`_?\d+(\.\d+)?(\s*[ejr]\s*)_?\d+(\.?=\d+)?`, LiteralNumber, nil},
{`_?\d+\.(?=\d+)`, LiteralNumberFloat, nil},
{`_?\d+x`, LiteralNumberIntegerLong, nil},
{`_?\d+`, LiteralNumberInteger, nil},
},
"nounDefinition": {
{`[^)]`, LiteralString, nil},
{`^\)`, NameLabel, Pop(1)},
{`[)]`, LiteralString, nil},
},
"parentheses": {
{`\)`, Punctuation, Pop(1)},
Include("explicitDefinition"),
Include("root"),
},
"singlequote": {
{`[^']`, LiteralString, nil},
{`''`, LiteralString, nil},
{`'`, LiteralString, Pop(1)},
},
}
}
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