Merge pull request #623 from Golmote/prism-j

Add support for J

components.js

@@ -206,6 +206,10 @@ var components = {
 			"title": "Ini",
 			"owner": "aviaryan"
 		},
+		"j": {
+			"title": "J",
+			"owner": "Golmote"
+		},
 		"jade": {
 			"title": "Jade",
 			"require": "javascript",

components/prism-j.js

@@ -0,0 +1,22 @@
+Prism.languages.j = {
+	'comment': /\bNB\..*/,
+	'string': /'(?:''|[^'\r\n])*'/,
+	'keyword': /\b(?:(?:adverb|conjunction|CR|def|define|dyad|LF|monad|noun|verb)\b|(?:assert|break|case|catch[dt]?|continue|do|else|elseif|end|fcase|for|for_\w+|goto_\w+|if|label_\w+|return|select|throw|try|while|whilst)\.)/,
+	'verb': {
+		// Negative look-ahead prevents bad highlighting
+		// of ^: ;. =. =: !. !:
+		pattern: /(?!\^:|;\.|[=!][.:])(?:\{(?:\.|::?)?|p(?:\.\.?|:)|[=!\]]|[<>+*\-%$|,#][.:]?|[\^?]\.?|[;\[]:?|[~}"i][.:]|[ACeEIjLor]\.|(?:[_\/\\qsux]|_?\d):)/,
+		alias: 'keyword'
+	},
+	'number': /\b_?(?:(?!\d:)\d+(?:\.\d+)?(?:(?:[ejpx]|ad|ar)_?\d+(?:\.\d+)?)*(?:b_?[\da-z]+(?:\.[\da-z]+)?)?|_(?!\.))/,
+	'adverb': {
+		pattern: /[~}]|[\/\\]\.?|[bfM]\.|t[.:]/,
+		alias: 'builtin'
+	},
+	'operator': /[=a][.:]|_\./,
+	'conjunction': {
+		pattern: /&(?:\.:?|:)?|[.:@][.:]?|[!D][.:]|[;dHT]\.|`:?|[\^LS]:|"/,
+		alias: 'variable'
+	},
+	'punctuation': /[()]/
+};

examples/prism-j.html

@@ -0,0 +1,72 @@
+<h1>J</h1>
+<p>To use this language, use the class "language-j".</p>
+
+<h2>Comments</h2>
+<pre><code>NB. This is a comment</code></pre>
+
+<h2>Strings</h2>
+<pre><code>'This is a string.'
+'This is a string with ''quotes'' in it.'</code></pre>
+
+<h2>Numbers</h2>
+<pre><code>2.3e2 2.3e_2 2j3
+2p1 1p_1
+1x2 2x1 1x_1
+2e2j_2e2 2e2j2p1 2ad45 2ar0.785398
+16b1f 10b23 _10b23 1e2b23 2b111.111</code></pre>
+
+<h2>Verbs</h2>
+<pre><code>%4
+3%4
+,b
+'I';'was';'here'
+3 5$'wake read lamp '</code></pre>
+
+<h2>Adverbs</h2>
+<pre><code>1 2 3 */ 4 5 6 7
+'%*'(1 3;2 _1)} y</code></pre>
+
+<h2>Conjunctions</h2>
+<pre><code>10&^. 2 3 10 100 200
++`*
++:@*: +/ -:@%:</code></pre>
+
+<h2>Examples</h2>
+<pre><code>NB. The following functions E1, E2 and E3
+NB. interchange two rows of a matrix,
+NB. multiply a row by a constant,
+NB. and add a multiple of one row to another:
+
+E1=: <@] C. [
+E2=: f`g`[}
+E3=: F`g`[}
+f=: {:@] * {.@] { [
+F=: [: +/ (1:,{:@]) * (}:@] { [)
+g=: {.@]
+M=: i. 4 5
+M;(M E1 1 3);(M E2 1 10);(M E3 1 3 10)</code></pre>
+
+<pre><code>NB. Implementation of quicksort
+
+sel=: adverb def 'u # ['
+
+quicksort=: verb define
+  if. 1 >: #y do. y
+  else.
+    (quicksort y &lt;sel e),(y =sel e),quicksort y >sel e=.y{~?#y
+  end.
+)</code></pre>
+
+<pre><code>NB. Implementation of quicksort (tacit programming)
+
+quicksort=: (($:@(&lt;#[), (=#[), $:@(>#[)) ({~ ?@#)) ^: (1&lt;#)</code></pre>
+
+<h2>Known failures</h2>
+<p>There are certain edge cases where Prism will fail.
+	There are always such cases in every regex-based syntax highlighter.
+	However, Prism dares to be open and honest about them.
+	If a failure is listed here, it doesn’t mean it will never be fixed. This is more of a “known bugs” list, just with a certain type of bug.
+</p>
+
+<h3>Comment-like substrings</h3>
+<pre><code>'This string is NB. broken'</code></pre>

tests/languages/j/adverb_feature.test

@@ -0,0 +1,19 @@
+~ }
+/ /.
+\ \.
+b. f. M.
+t. t:
+
+----------------------------------------------------
+
+[
+	["adverb", "~"], ["adverb", "}"],
+	["adverb", "/"], ["adverb", "/."],
+	["adverb", "\\"], ["adverb", "\\."],
+	["adverb", "b."], ["adverb", "f."], ["adverb", "M."],
+	["adverb", "t."], ["adverb", "t:"]
+]
+
+----------------------------------------------------
+
+Checks for adverbs.

tests/languages/j/comment_feature.test

@@ -0,0 +1,13 @@
+NB.
+NB. Foo bar
+
+----------------------------------------------------
+
+[
+	["comment", "NB."],
+	["comment", "NB. Foo bar"]
+]
+
+----------------------------------------------------
+
+Checks for comments.

tests/languages/j/conjunction_feature.test

@@ -0,0 +1,41 @@
+& &. &.: &:
+
+. .. .:
+: :. ::
+@ @. @:
+
+!. !:
+D. D:
+
+;. d. H. T.
+
+` `:
+
+^: L: S:
+
+"
+
+----------------------------------------------------
+
+[
+	["conjunction", "&"], ["conjunction", "&."], ["conjunction", "&.:"], ["conjunction", "&:"],
+
+	["conjunction", "."], ["conjunction", ".."], ["conjunction", ".:"],
+	["conjunction", ":"], ["conjunction", ":."], ["conjunction", "::"],
+	["conjunction", "@"], ["conjunction", "@."], ["conjunction", "@:"],
+
+	["conjunction", "!."], ["conjunction", "!:"],
+	["conjunction", "D."], ["conjunction", "D:"],
+
+	["conjunction", ";."], ["conjunction", "d."], ["conjunction", "H."], ["conjunction", "T."],
+
+	["conjunction", "`"], ["conjunction", "`:"],
+
+	["conjunction", "^:"], ["conjunction", "L:"], ["conjunction", "S:"],
+
+	["conjunction", "\""]
+]
+
+----------------------------------------------------
+
+Checks for conjunctions.

tests/languages/j/keyword_feature.test

@@ -0,0 +1,77 @@
+adverb
+conjunction
+CR
+def
+define
+dyad
+LF
+monad
+noun
+verb
+
+assert.
+break.
+case.
+catch.
+catchd.
+catcht.
+continue.
+do.
+else.
+elseif.
+end.
+fcase.
+for.
+for_foobar.
+goto_foobar.
+if.
+label_foobar.
+return.
+select.
+throw.
+try.
+while.
+whilst.
+
+----------------------------------------------------
+
+[
+	["keyword", "adverb"],
+	["keyword", "conjunction"],
+	["keyword", "CR"],
+	["keyword", "def"],
+	["keyword", "define"],
+	["keyword", "dyad"],
+	["keyword", "LF"],
+	["keyword", "monad"],
+	["keyword", "noun"],
+	["keyword", "verb"],
+
+	["keyword", "assert."],
+	["keyword", "break."],
+	["keyword", "case."],
+	["keyword", "catch."],
+	["keyword", "catchd."],
+	["keyword", "catcht."],
+	["keyword", "continue."],
+	["keyword", "do."],
+	["keyword", "else."],
+	["keyword", "elseif."],
+	["keyword", "end."],
+	["keyword", "fcase."],
+	["keyword", "for."],
+	["keyword", "for_foobar."],
+	["keyword", "goto_foobar."],
+	["keyword", "if."],
+	["keyword", "label_foobar."],
+	["keyword", "return."],
+	["keyword", "select."],
+	["keyword", "throw."],
+	["keyword", "try."],
+	["keyword", "while."],
+	["keyword", "whilst."]
+]
+
+----------------------------------------------------
+
+Checks for all keywords.

tests/languages/j/number_feature.test

@@ -0,0 +1,41 @@
+2.3e2 2.3e_2 2j3
+230 0.023 2j3
+
+2p1 1p_1
+6.28319 0.31831
+
+1x2 2x1 1x_1
+7.38906 5.43656 0.367879
+
+2e2j_2e2 2e2j2p1 2ad45 2ar0.785398
+200j_200 628.319j6.28319 1.41421j1.41421 1.41421j1.41421
+
+16b1f 10b23 _10b23 1e2b23 2b111.111
+31 23 _17 203 7.875
+
+_ __
+
+----------------------------------------------------
+
+[
+	["number", "2.3e2"], ["number", "2.3e_2"], ["number", "2j3"],
+	["number", "230"], ["number", "0.023"], ["number", "2j3"],
+
+	["number", "2p1"], ["number", "1p_1"],
+	["number", "6.28319"], ["number", "0.31831"],
+
+	["number", "1x2"], ["number", "2x1"], ["number", "1x_1"],
+	["number", "7.38906"], ["number", "5.43656"], ["number", "0.367879"],
+
+	["number", "2e2j_2e2"], ["number", "2e2j2p1"], ["number", "2ad45"], ["number", "2ar0.785398"],
+	["number", "200j_200"], ["number", "628.319j6.28319"], ["number", "1.41421j1.41421"], ["number", "1.41421j1.41421"],
+
+	["number", "16b1f"], ["number", "10b23"], ["number", "_10b23"], ["number", "1e2b23"], ["number", "2b111.111"],
+	["number", "31"], ["number", "23"], ["number", "_17"], ["number", "203"], ["number", "7.875"],
+
+	["number", "_"], ["number", "__"]
+]
+
+----------------------------------------------------
+
+Checks for numbers.

tests/languages/j/string_feature.test

@@ -0,0 +1,13 @@
+''
+'fo''obar'
+
+----------------------------------------------------
+
+[
+	["string", "''"],
+	["string", "'fo''obar'"]
+]
+
+----------------------------------------------------
+
+Checks for strings.