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book/node_modules/highlight.js/lib/languages/ocaml.js

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+/*
+Language: OCaml
+Author: Mehdi Dogguy <mehdi@dogguy.org>
+Contributors: Nicolas Braud-Santoni <nicolas.braud-santoni@ens-cachan.fr>, Mickael Delahaye <mickael.delahaye@gmail.com>
+Description: OCaml language definition.
+Website: https://ocaml.org
+Category: functional
+*/
+
+function ocaml(hljs) {
+  /* missing support for heredoc-like string (OCaml 4.0.2+) */
+  return {
+    name: 'OCaml',
+    aliases: [ 'ml' ],
+    keywords: {
+      $pattern: '[a-z_]\\w*!?',
+      keyword:
+        'and as assert asr begin class constraint do done downto else end '
+        + 'exception external for fun function functor if in include '
+        + 'inherit! inherit initializer land lazy let lor lsl lsr lxor match method!|10 method '
+        + 'mod module mutable new object of open! open or private rec sig struct '
+        + 'then to try type val! val virtual when while with '
+        /* camlp4 */
+        + 'parser value',
+      built_in:
+        /* built-in types */
+        'array bool bytes char exn|5 float int int32 int64 list lazy_t|5 nativeint|5 string unit '
+        /* (some) types in Pervasives */
+        + 'in_channel out_channel ref',
+      literal:
+        'true false'
+    },
+    illegal: /\/\/|>>/,
+    contains: [
+      {
+        className: 'literal',
+        begin: '\\[(\\|\\|)?\\]|\\(\\)',
+        relevance: 0
+      },
+      hljs.COMMENT(
+        '\\(\\*',
+        '\\*\\)',
+        { contains: [ 'self' ] }
+      ),
+      { /* type variable */
+        className: 'symbol',
+        begin: '\'[A-Za-z_](?!\')[\\w\']*'
+        /* the grammar is ambiguous on how 'a'b should be interpreted but not the compiler */
+      },
+      { /* polymorphic variant */
+        className: 'type',
+        begin: '`[A-Z][\\w\']*'
+      },
+      { /* module or constructor */
+        className: 'type',
+        begin: '\\b[A-Z][\\w\']*',
+        relevance: 0
+      },
+      { /* don't color identifiers, but safely catch all identifiers with ' */
+        begin: '[a-z_]\\w*\'[\\w\']*',
+        relevance: 0
+      },
+      hljs.inherit(hljs.APOS_STRING_MODE, {
+        className: 'string',
+        relevance: 0
+      }),
+      hljs.inherit(hljs.QUOTE_STRING_MODE, { illegal: null }),
+      {
+        className: 'number',
+        begin:
+          '\\b(0[xX][a-fA-F0-9_]+[Lln]?|'
+          + '0[oO][0-7_]+[Lln]?|'
+          + '0[bB][01_]+[Lln]?|'
+          + '[0-9][0-9_]*([Lln]|(\\.[0-9_]*)?([eE][-+]?[0-9_]+)?)?)',
+        relevance: 0
+      },
+      { begin: /->/ // relevance booster
+      }
+    ]
+  };
+}
+
+module.exports = ocaml;