From a98b5ea6fe8e8cc98a55e0fd793e6e8660ea31c1 Mon Sep 17 00:00:00 2001
From: Armand Philippot <git@armandphilippot.com>
Date: Thu, 30 Dec 2021 19:47:21 +0100
Subject: chore: add prismjs for syntax highlighting

---
 public/prism/prism-parigp.js | 53 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 public/prism/prism-parigp.js

(limited to 'public/prism/prism-parigp.js')

diff --git a/public/prism/prism-parigp.js b/public/prism/prism-parigp.js
new file mode 100644
index 0000000..45759b1
--- /dev/null
+++ b/public/prism/prism-parigp.js
@@ -0,0 +1,53 @@
+Prism.languages.parigp = {
+  comment: /\/\*[\s\S]*?\*\/|\\\\.*/,
+  string: {
+    pattern: /"(?:[^"\\\r\n]|\\.)*"/,
+    greedy: true,
+  },
+  // PARI/GP does not care about white spaces at all
+  // so let's process the keywords to build an appropriate regexp
+  // (e.g. "b *r *e *a *k", etc.)
+  keyword: (function () {
+    var keywords = [
+      'breakpoint',
+      'break',
+      'dbg_down',
+      'dbg_err',
+      'dbg_up',
+      'dbg_x',
+      'forcomposite',
+      'fordiv',
+      'forell',
+      'forpart',
+      'forprime',
+      'forstep',
+      'forsubgroup',
+      'forvec',
+      'for',
+      'iferr',
+      'if',
+      'local',
+      'my',
+      'next',
+      'return',
+      'until',
+      'while',
+    ];
+    keywords = keywords
+      .map(function (keyword) {
+        return keyword.split('').join(' *');
+      })
+      .join('|');
+    return RegExp('\\b(?:' + keywords + ')\\b');
+  })(),
+  function: /\b\w(?:[\w ]*\w)?(?= *\()/,
+  number: {
+    // The lookbehind and the negative lookahead prevent from breaking the .. operator
+    pattern:
+      /((?:\. *\. *)?)(?:\b\d(?: *\d)*(?: *(?!\. *\.)\.(?: *\d)*)?|\. *\d(?: *\d)*)(?: *e *(?:[+-] *)?\d(?: *\d)*)?/i,
+    lookbehind: true,
+  },
+  operator:
+    /\. *\.|[*\/!](?: *=)?|%(?: *=|(?: *#)?(?: *')*)?|\+(?: *[+=])?|-(?: *[-=>])?|<(?: *>|(?: *<)?(?: *=)?)?|>(?: *>)?(?: *=)?|=(?: *=){0,2}|\\(?: *\/)?(?: *=)?|&(?: *&)?|\| *\||['#~^]/,
+  punctuation: /[\[\]{}().,:;|]/,
+};
-- 
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