LLVM mode courtesy Nikhil Dabas

Author: [email protected]

src/lang-llvm.js

@@ -0,0 +1,61 @@
+// Copyright (C) 2013 Nikhil Dabas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+
+/**
+ * @fileoverview
+ * Registers a language handler for LLVM.
+ * From https://gist.github.com/ndabas/2850418
+ *
+ *
+ * To use, include prettify.js and this file in your HTML page.
+ * Then put your code in an HTML tag like
+ *      <pre class="prettyprint lang-llvm">(my LLVM code)</pre>
+ *
+ *
+ * The regular expressions were adapted from:
+ * https://github.com/hansstimer/llvm.tmbundle/blob/76fedd8f50fd6108b1780c51d79fbe3223de5f34/Syntaxes/LLVM.tmLanguage
+ * 
+ * http://llvm.org/docs/LangRef.html#constants describes the language grammar.
+ * 
+ * @author Nikhil Dabas
+ */
+PR['registerLangHandler'](
+    PR['createSimpleLexer'](
+        [
+         // Whitespace
+         [PR['PR_PLAIN'],       /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'],
+         // A double quoted, possibly multi-line, string.
+         [PR['PR_STRING'],      /^!?\"(?:[^\"\\]|\\[\s\S])*(?:\"|$)/, null, '"'],
+         // comment.llvm
+         [PR['PR_COMMENT'],     /^;[^\r\n]*/, null, ';']
+        ],
+        [
+         // variable.llvm
+         [PR['PR_PLAIN'],       /^[%@!](?:[-a-zA-Z$._][-a-zA-Z$._0-9]*|\d+)/],
+
+         // According to http://llvm.org/docs/LangRef.html#well-formedness
+         // These reserved words cannot conflict with variable names, because none of them start with a prefix character ('%' or '@').
+         [PR['PR_KEYWORD'],     /^[A-Za-z_][0-9A-Za-z_]*/, null],
+
+         // constant.numeric.float.llvm
+         [PR['PR_LITERAL'],     /^\d+\.\d+/],
+         
+         // constant.numeric.integer.llvm
+         [PR['PR_LITERAL'],     /^(?:\d+|0[xX][a-fA-F0-9]+)/],
+
+         // punctuation
+         [PR['PR_PUNCTUATION'], /^[()\[\]{},=*<>:]|\.\.\.$/]
+        ]),
+    ['llvm', 'll']);

tests/prettify_test_2.html

@@ -12,6 +12,7 @@
       // Language extensions tested.
       "lang-clj.js",
       "lang-lisp.js",
+      "lang-llvm.js",
       "lang-xq.js",
       "lang-mumps.js",
       "lang-n.js",
@@ -538,8 +539,6 @@ <h1>BASIC w/ language specified</h1>
 1000 DATA "one", 1, 0
 </pre>
 
-</body>
-
 <h1>Dart language handler</h1>
 <pre class="prettyprint lang-dart" id="dart">
 part of myLib;
@@ -775,6 +774,32 @@ <h1>MUMPS</h1>
  Q
 </pre>
 
+<h1>LLVM</h1>
+<a href="http://llvm.org/docs/LangRef.html">Hello world module</a>
+<pre class="prettyprint lang-llvm" id="llvm">
+; Declare the string constant as a global constant.
+@.str = private unnamed_addr constant [13 x i8] c"hello world\0A\00"
+
+; External declaration of the puts function
+declare i32 @puts(i8* nocapture) nounwind
+
+; Definition of main function
+define i32 @main() {   ; i32()*
+  ; Convert [13 x i8]* to i8  *...
+  %cast210 = getelementptr [13 x i8]* @.str, i64 0, i64 0
+
+  ; Call puts function to write out the string to stdout.
+  call i32 @puts(i8* %cast210)
+  ret i32 0
+}
+
+; Named metadata
+!1 = metadata !{i32 42}
+!foo = !{!1, null}
+</pre>
+
+</body>
+
 <script type="text/javascript">
 /**
  * maps ids of rewritten code to the expected output.
@@ -1459,6 +1484,27 @@ <h1>MUMPS</h1>
       '    `END`KWDEND`END`PUN;`END`PLN\n' +
       '  `END`KWDEND`END`PUN;`END`PLN\n' +
       '`END`KWDEND`END`PUN;`END'
+      ),
+  llvm: (
+        '`COM; Declare the string constant as a global constant.`END`PLN\n' +
+        '@.str `END`PUN=`END`PLN `END`KWDprivate`END`PLN `END`KWDunnamed_addr`END`PLN `END`KWDconstant`END`PLN `END`PUN[`END`LIT13`END`PLN `END`KWDx`END`PLN `END`KWDi8`END`PUN]`END`PLN `END`KWDc`END`STR"hello world\\0A\\00"`END`PLN\n' +
+        '\n' +
+        '`END`COM; External declaration of the puts function`END`PLN\n' +
+        '`END`KWDdeclare`END`PLN `END`KWDi32`END`PLN @puts`END`PUN(`END`KWDi8`END`PUN*`END`PLN `END`KWDnocapture`END`PUN)`END`PLN `END`KWDnounwind`END`PLN\n' +
+        '\n' +
+        '`END`COM; Definition of main function`END`PLN\n' +
+        '`END`KWDdefine`END`PLN `END`KWDi32`END`PLN @main`END`PUN()`END`PLN `END`PUN{`END`PLN   `END`COM; i32()*`END`PLN\n' +
+        '  `END`COM; Convert [13 x i8]* to i8  *...`END`PLN\n' +
+        '  %cast210 `END`PUN=`END`PLN `END`KWDgetelementptr`END`PLN `END`PUN[`END`LIT13`END`PLN `END`KWDx`END`PLN `END`KWDi8`END`PUN]*`END`PLN @.str`END`PUN,`END`PLN `END`KWDi64`END`PLN `END`LIT0`END`PUN,`END`PLN `END`KWDi64`END`PLN `END`LIT0`END`PLN\n' +
+        '\n' +
+        '  `END`COM; Call puts function to write out the string to stdout.`END`PLN\n' +
+        '  `END`KWDcall`END`PLN `END`KWDi32`END`PLN @puts`END`PUN(`END`KWDi8`END`PUN*`END`PLN %cast210`END`PUN)`END`PLN\n' +
+        '  `END`KWDret`END`PLN `END`KWDi32`END`PLN `END`LIT0`END`PLN\n' +
+        '`END`PUN}`END`PLN\n' +
+        '\n' +
+        '`END`COM; Named metadata`END`PLN\n' +
+        '!1 `END`PUN=`END`PLN `END`KWDmetadata`END`PLN !`END`PUN{`END`KWDi32`END`PLN `END`LIT42`END`PUN}`END`PLN\n' +
+        '!foo `END`PUN=`END`PLN !`END`PUN{`END`PLN!1`END`PUN,`END`PLN `END`KWDnull`END`PUN}`END'
       )
 };
 </script>