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book/node_modules/highlight.js/es/languages/sml.js

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+/*
+Language: SML (Standard ML)
+Author: Edwin Dalorzo <edwin@dalorzo.org>
+Description: SML language definition.
+Website: https://www.smlnj.org
+Origin: ocaml.js
+Category: functional
+*/
+function sml(hljs) {
+  return {
+    name: 'SML (Standard ML)',
+    aliases: [ 'ml' ],
+    keywords: {
+      $pattern: '[a-z_]\\w*!?',
+      keyword:
+        /* according to Definition of Standard ML 97  */
+        'abstype and andalso as case datatype do else end eqtype '
+        + 'exception fn fun functor handle if in include infix infixr '
+        + 'let local nonfix of op open orelse raise rec sharing sig '
+        + 'signature struct structure then type val with withtype where while',
+      built_in:
+        /* built-in types according to basis library */
+        'array bool char exn int list option order real ref string substring vector unit word',
+      literal:
+        'true false NONE SOME LESS EQUAL GREATER nil'
+    },
+    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\']*' },
+      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
+      }
+    ]
+  };
+}
+
+export { sml as default };