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https://github.com/alecthomas/chroma.git
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Add J lexer
Generated with _tools/pygments2chroma.py. Sample `toupper` verb from `stdlib.ijs`: https://github.com/jsoftware/jsource/blob/j808-release/jlibrary/system/main/stdlib.ijs
This commit is contained in:
Sean McGivern
Alec Thomas
parent
aaa94ce97c
commit
a1c4eaa235
@ -44,7 +44,7 @@ F | Factor, Fish, Forth, Fortran, FSharp
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G | GAS, GDScript, Genshi, Genshi HTML, Genshi Text, GLSL, Gnuplot, Go, Go HTML Template, Go Text Template, GraphQL, Groovy
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H | Handlebars, Haskell, Haxe, HCL, Hexdump, HTML, HTTP, Hy
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I | Idris, INI, Io
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J | Java, JavaScript, JSON, Julia, Jungle
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J | J, Java, JavaScript, JSON, Julia, Jungle
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K | Kotlin
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L | Lighttpd configuration file, LLVM, Lua
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M | Mako, markdown, Mason, Mathematica, Matlab, MiniZinc, Modula-2, MonkeyC, MorrowindScript, Myghty, MySQL
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73
lexers/j/j.go
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73
lexers/j/j.go
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@ -0,0 +1,73 @@
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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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6
lexers/testdata/j.actual
vendored
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6
lexers/testdata/j.actual
vendored
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@ -0,0 +1,6 @@
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NB. from stdlib.ijs
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toupper=: 3 : 0`((((65+i.26){a.)(97+i.26)}a.) {~ a. i. ])@.(2 = 3!:0)
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x=. I. 26 > n=. ((97+i.26){a.) i. t=. ,y
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($y) $ ((x{n) { (65+i.26){a.) x}t
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)
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119
lexers/testdata/j.expected
vendored
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119
lexers/testdata/j.expected
vendored
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@ -0,0 +1,119 @@
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[
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{"type":"CommentSingle","value":"NB. from stdlib.ijs"},
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{"type":"Text","value":"\n"},
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{"type":"NameVariable","value":"toupper"},
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{"type":"Operator","value":"=:"},
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{"type":"Text","value":" "},
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{"type":"NameFunction","value":"3 : 0"},
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{"type":"Operator","value":"`"},
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{"type":"Punctuation","value":"(((("},
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{"type":"LiteralNumberInteger","value":"65"},
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{"type":"Operator","value":"+"},
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{"type":"NameVariable","value":"i"},
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{"type":"Operator","value":"."},
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{"type":"LiteralNumberInteger","value":"26"},
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{"type":"Punctuation","value":")"},
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{"type":"Operator","value":"{"},
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{"type":"NameVariable","value":"a"},
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{"type":"Operator","value":"."},
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{"type":"Punctuation","value":")("},
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{"type":"LiteralNumberInteger","value":"97"},
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{"type":"Operator","value":"+"},
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{"type":"NameVariable","value":"i"},
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{"type":"Operator","value":"."},
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{"type":"LiteralNumberInteger","value":"26"},
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{"type":"Punctuation","value":")"},
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{"type":"Operator","value":"}"},
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{"type":"NameVariable","value":"a"},
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{"type":"Operator","value":"."},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"{~"},
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{"type":"Text","value":" "},
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{"type":"NameVariable","value":"a"},
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{"type":"Operator","value":"."},
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{"type":"Text","value":" "},
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{"type":"NameVariable","value":"i"},
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{"type":"Operator","value":"."},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"]"},
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{"type":"Punctuation","value":")"},
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{"type":"Operator","value":"@."},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralNumberInteger","value":"2"},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"="},
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{"type":"Text","value":" "},
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{"type":"LiteralNumberInteger","value":"3"},
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{"type":"Operator","value":"!:"},
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{"type":"LiteralNumberInteger","value":"0"},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":"\n"},
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{"type":"NameDecorator","value":"x"},
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{"type":"Operator","value":"=."},
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{"type":"Text","value":" "},
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{"type":"NameVariable","value":"I"},
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{"type":"Operator","value":"."},
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{"type":"Text","value":" "},
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{"type":"LiteralNumberInteger","value":"26"},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"\u003e"},
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{"type":"Text","value":" "},
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{"type":"NameDecorator","value":"n"},
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{"type":"Operator","value":"=."},
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{"type":"Text","value":" "},
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{"type":"Punctuation","value":"(("},
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{"type":"LiteralNumberInteger","value":"97"},
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{"type":"Operator","value":"+"},
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{"type":"NameVariable","value":"i"},
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{"type":"Operator","value":"."},
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{"type":"LiteralNumberInteger","value":"26"},
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{"type":"Punctuation","value":")"},
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{"type":"Operator","value":"{"},
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{"type":"NameVariable","value":"a"},
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{"type":"Operator","value":"."},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":" "},
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{"type":"NameVariable","value":"i"},
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{"type":"Operator","value":"."},
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{"type":"Text","value":" "},
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{"type":"NameVariable","value":"t"},
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{"type":"Operator","value":"=."},
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{"type":"Text","value":" "},
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{"type":"Operator","value":","},
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{"type":"NameDecorator","value":"y"},
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{"type":"Text","value":"\n"},
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{"type":"Punctuation","value":"("},
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{"type":"Operator","value":"$"},
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{"type":"NameDecorator","value":"y"},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"$"},
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{"type":"Text","value":" "},
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{"type":"Punctuation","value":"(("},
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{"type":"NameDecorator","value":"x"},
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{"type":"Operator","value":"{"},
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{"type":"NameDecorator","value":"n"},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":" "},
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{"type":"Operator","value":"{"},
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{"type":"Text","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralNumberInteger","value":"65"},
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{"type":"Operator","value":"+"},
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{"type":"NameVariable","value":"i"},
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{"type":"Operator","value":"."},
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{"type":"LiteralNumberInteger","value":"26"},
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{"type":"Punctuation","value":")"},
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{"type":"Operator","value":"{"},
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{"type":"NameVariable","value":"a"},
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{"type":"Operator","value":"."},
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{"type":"Punctuation","value":")"},
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{"type":"Text","value":" "},
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{"type":"NameDecorator","value":"x"},
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{"type":"Operator","value":"}"},
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{"type":"NameVariable","value":"t"},
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{"type":"Text","value":"\n"},
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{"type":"NameLabel","value":")"},
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{"type":"Text","value":"\n\n"}
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]
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