08-27-周三_17-09-29

node_modules/highlight.js/lib/languages/crystal.js

@@ -0,0 +1,176 @@
+module.exports = function(hljs) {
+  var NUM_SUFFIX = '(_[uif](8|16|32|64))?';
+  var CRYSTAL_IDENT_RE = '[a-zA-Z_]\\w*[!?=]?';
+  var RE_STARTER = '!=|!==|%|%=|&|&&|&=|\\*|\\*=|\\+|\\+=|,|-|-=|/=|/|:|;|<<|<<=|<=|<|===|==|=|>>>=|>>=|>=|>>>|' +
+    '>>|>|\\[|\\{|\\(|\\^|\\^=|\\||\\|=|\\|\\||~';
+  var CRYSTAL_METHOD_RE = '[a-zA-Z_]\\w*[!?=]?|[-+~]\\@|<<|>>|=~|===?|<=>|[<>]=?|\\*\\*|[-/+%^&*~`|]|\\[\\][=?]?';
+  var CRYSTAL_KEYWORDS = {
+    keyword:
+      'abstract alias as asm begin break case class def do else elsif end ensure enum extend for fun if ifdef ' +
+      'include instance_sizeof is_a? lib macro module next of out pointerof private protected rescue responds_to? ' +
+      'return require self sizeof struct super then type typeof union unless until when while with yield ' +
+      '__DIR__ __FILE__ __LINE__',
+    literal: 'false nil true'
+  };
+  var SUBST = {
+    className: 'subst',
+    begin: '#{', end: '}',
+    keywords: CRYSTAL_KEYWORDS
+  };
+  var EXPANSION = {
+    className: 'template-variable',
+    variants: [
+      {begin: '\\{\\{', end: '\\}\\}'},
+      {begin: '\\{%', end: '%\\}'}
+    ],
+    keywords: CRYSTAL_KEYWORDS
+  };
+
+  function recursiveParen(begin, end) {
+    var
+    contains = [{begin: begin, end: end}];
+    contains[0].contains = contains;
+    return contains;
+  }
+  var STRING = {
+    className: 'string',
+    contains: [hljs.BACKSLASH_ESCAPE, SUBST],
+    variants: [
+      {begin: /'/, end: /'/},
+      {begin: /"/, end: /"/},
+      {begin: /`/, end: /`/},
+      {begin: '%w?\\(', end: '\\)', contains: recursiveParen('\\(', '\\)')},
+      {begin: '%w?\\[', end: '\\]', contains: recursiveParen('\\[', '\\]')},
+      {begin: '%w?{', end: '}', contains: recursiveParen('{', '}')},
+      {begin: '%w?<', end: '>', contains: recursiveParen('<', '>')},
+      {begin: '%w?/', end: '/'},
+      {begin: '%w?%', end: '%'},
+      {begin: '%w?-', end: '-'},
+      {begin: '%w?\\|', end: '\\|'},
+    ],
+    relevance: 0,
+  };
+  var REGEXP = {
+    begin: '(' + RE_STARTER + ')\\s*',
+    contains: [
+      {
+        className: 'regexp',
+        contains: [hljs.BACKSLASH_ESCAPE, SUBST],
+        variants: [
+          {begin: '//[a-z]*', relevance: 0},
+          {begin: '/', end: '/[a-z]*'},
+          {begin: '%r\\(', end: '\\)', contains: recursiveParen('\\(', '\\)')},
+          {begin: '%r\\[', end: '\\]', contains: recursiveParen('\\[', '\\]')},
+          {begin: '%r{', end: '}', contains: recursiveParen('{', '}')},
+          {begin: '%r<', end: '>', contains: recursiveParen('<', '>')},
+          {begin: '%r/', end: '/'},
+          {begin: '%r%', end: '%'},
+          {begin: '%r-', end: '-'},
+          {begin: '%r\\|', end: '\\|'},
+        ]
+      }
+    ],
+    relevance: 0
+  };
+  var REGEXP2 = {
+    className: 'regexp',
+    contains: [hljs.BACKSLASH_ESCAPE, SUBST],
+    variants: [
+      {begin: '%r\\(', end: '\\)', contains: recursiveParen('\\(', '\\)')},
+      {begin: '%r\\[', end: '\\]', contains: recursiveParen('\\[', '\\]')},
+      {begin: '%r{', end: '}', contains: recursiveParen('{', '}')},
+      {begin: '%r<', end: '>', contains: recursiveParen('<', '>')},
+      {begin: '%r/', end: '/'},
+      {begin: '%r%', end: '%'},
+      {begin: '%r-', end: '-'},
+      {begin: '%r\\|', end: '\\|'},
+    ],
+    relevance: 0
+  };
+  var ATTRIBUTE = {
+    className: 'meta',
+    begin: '@\\[', end: '\\]',
+    contains: [
+      hljs.inherit(hljs.QUOTE_STRING_MODE, {className: 'meta-string'})
+    ]
+  };
+  var CRYSTAL_DEFAULT_CONTAINS = [
+    EXPANSION,
+    STRING,
+    REGEXP,
+    REGEXP2,
+    ATTRIBUTE,
+    hljs.HASH_COMMENT_MODE,
+    {
+      className: 'class',
+      beginKeywords: 'class module struct', end: '$|;',
+      illegal: /=/,
+      contains: [
+        hljs.HASH_COMMENT_MODE,
+        hljs.inherit(hljs.TITLE_MODE, {begin: '[A-Za-z_]\\w*(::\\w+)*(\\?|\\!)?'}),
+        {begin: '<'} // relevance booster for inheritance
+      ]
+    },
+    {
+      className: 'class',
+      beginKeywords: 'lib enum union', end: '$|;',
+      illegal: /=/,
+      contains: [
+        hljs.HASH_COMMENT_MODE,
+        hljs.inherit(hljs.TITLE_MODE, {begin: '[A-Za-z_]\\w*(::\\w+)*(\\?|\\!)?'}),
+      ],
+      relevance: 10
+    },
+    {
+      className: 'function',
+      beginKeywords: 'def', end: /\B\b/,
+      contains: [
+        hljs.inherit(hljs.TITLE_MODE, {
+          begin: CRYSTAL_METHOD_RE,
+          endsParent: true
+        })
+      ]
+    },
+    {
+      className: 'function',
+      beginKeywords: 'fun macro', end: /\B\b/,
+      contains: [
+        hljs.inherit(hljs.TITLE_MODE, {
+          begin: CRYSTAL_METHOD_RE,
+          endsParent: true
+        })
+      ],
+      relevance: 5
+    },
+    {
+      className: 'symbol',
+      begin: hljs.UNDERSCORE_IDENT_RE + '(\\!|\\?)?:',
+      relevance: 0
+    },
+    {
+      className: 'symbol',
+      begin: ':',
+      contains: [STRING, {begin: CRYSTAL_METHOD_RE}],
+      relevance: 0
+    },
+    {
+      className: 'number',
+      variants: [
+        { begin: '\\b0b([01_]*[01])' + NUM_SUFFIX },
+        { begin: '\\b0o([0-7_]*[0-7])' + NUM_SUFFIX },
+        { begin: '\\b0x([A-Fa-f0-9_]*[A-Fa-f0-9])' + NUM_SUFFIX },
+        { begin: '\\b(([0-9][0-9_]*[0-9]|[0-9])(\\.[0-9_]*[0-9])?([eE][+-]?[0-9_]*[0-9])?)' + NUM_SUFFIX}
+      ],
+      relevance: 0
+    }
+  ];
+  SUBST.contains = CRYSTAL_DEFAULT_CONTAINS;
+  EXPANSION.contains = CRYSTAL_DEFAULT_CONTAINS.slice(1); // without EXPANSION
+
+  return {
+    aliases: ['cr'],
+    lexemes: CRYSTAL_IDENT_RE,
+    keywords: CRYSTAL_KEYWORDS,
+    contains: CRYSTAL_DEFAULT_CONTAINS
+  };
+};