1 files changed, 39 insertions, 0 deletions
diff --git a/public/prism/prism-bison.js b/public/prism/prism-bison.js
new file mode 100644
index 0000000..2d150f1
--- /dev/null
+++ b/public/prism/prism-bison.js
@@ -0,0 +1,39 @@
+Prism.languages.bison = Prism.languages.extend('c', {});
+
+Prism.languages.insertBefore('bison', 'comment', {
+  bison: {
+    // This should match all the beginning of the file
+    // including the prologue(s), the bison declarations and
+    // the grammar rules.
+    pattern: /^(?:[^%]|%(?!%))*%%[\s\S]*?%%/,
+    inside: {
+      c: {
+        // Allow for one level of nested braces
+        pattern: /%\{[\s\S]*?%\}|\{(?:\{[^}]*\}|[^{}])*\}/,
+        inside: {
+          delimiter: {
+            pattern: /^%?\{|%?\}$/,
+            alias: 'punctuation',
+          },
+          'bison-variable': {
+            pattern: /[$@](?:<[^\s>]+>)?[\w$]+/,
+            alias: 'variable',
+            inside: {
+              punctuation: /<|>/,
+            },
+          },
+          rest: Prism.languages.c,
+        },
+      },
+      comment: Prism.languages.c.comment,
+      string: Prism.languages.c.string,
+      property: /\S+(?=:)/,
+      keyword: /%\w+/,
+      number: {
+        pattern: /(^|[^@])\b(?:0x[\da-f]+|\d+)/i,
+        lookbehind: true,
+      },
+      punctuation: /%[%?]|[|:;\[\]<>]/,
+    },
+  },
+});