1 files changed, 87 insertions, 0 deletions
diff --git a/node_modules/highlight.js/lib/languages/prolog.js b/node_modules/highlight.js/lib/languages/prolog.js
new file mode 100644
index 000000000..cf2c60b19
--- /dev/null
+++ b/node_modules/highlight.js/lib/languages/prolog.js
@@ -0,0 +1,87 @@
+module.exports = function(hljs) {
+
+  var ATOM = {
+
+    begin: /[a-z][A-Za-z0-9_]*/,
+    relevance: 0
+  };
+
+  var VAR = {
+
+    className: 'symbol',
+    variants: [
+      {begin: /[A-Z][a-zA-Z0-9_]*/},
+      {begin: /_[A-Za-z0-9_]*/},
+    ],
+    relevance: 0
+  };
+
+  var PARENTED = {
+
+    begin: /\(/,
+    end: /\)/,
+    relevance: 0
+  };
+
+  var LIST = {
+
+    begin: /\[/,
+    end: /\]/
+  };
+
+  var LINE_COMMENT = {
+
+    className: 'comment',
+    begin: /%/, end: /$/,
+    contains: [hljs.PHRASAL_WORDS_MODE]
+  };
+
+  var BACKTICK_STRING = {
+
+    className: 'string',
+    begin: /`/, end: /`/,
+    contains: [hljs.BACKSLASH_ESCAPE]
+  };
+
+  var CHAR_CODE = {
+
+    className: 'string', // 0'a etc.
+    begin: /0\'(\\\'|.)/
+  };
+
+  var SPACE_CODE = {
+
+    className: 'string',
+    begin: /0\'\\s/ // 0'\s
+  };
+
+  var PRED_OP = { // relevance booster
+    begin: /:-/
+  };
+
+  var inner = [
+
+    ATOM,
+    VAR,
+    PARENTED,
+    PRED_OP,
+    LIST,
+    LINE_COMMENT,
+    hljs.C_BLOCK_COMMENT_MODE,
+    hljs.QUOTE_STRING_MODE,
+    hljs.APOS_STRING_MODE,
+    BACKTICK_STRING,
+    CHAR_CODE,
+    SPACE_CODE,
+    hljs.C_NUMBER_MODE
+  ];
+
+  PARENTED.contains = inner;
+  LIST.contains = inner;
+
+  return {
+    contains: inner.concat([
+      {begin: /\.$/} // relevance booster
+    ])
+  };
+};
+\ No newline at end of file