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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
   3  
   4  (function(mod) {
   5    if (typeof exports == "object" && typeof module == "object") // CommonJS
   6      mod(require("../../lib/codemirror"), require("../../addon/mode/simple"));
   7    else if (typeof define == "function" && define.amd) // AMD
   8      define(["../../lib/codemirror", "../../addon/mode/simple"], mod);
   9    else // Plain browser env
  10      mod(CodeMirror);
  11  })(function(CodeMirror) {
  12  "use strict";
  13  
  14  CodeMirror.defineSimpleMode("rust",{
  15    start: [
  16      // string and byte string
  17      {regex: /b?"/, token: "string", next: "string"},
  18      // raw string and raw byte string
  19      {regex: /b?r"/, token: "string", next: "string_raw"},
  20      {regex: /b?r#+"/, token: "string", next: "string_raw_hash"},
  21      // character
  22      {regex: /'(?:[^'\\]|\\(?:[nrt0'"]|x[\da-fA-F]{2}|u\{[\da-fA-F]{6}\}))'/, token: "string-2"},
  23      // byte
  24      {regex: /b'(?:[^']|\\(?:['\\nrt0]|x[\da-fA-F]{2}))'/, token: "string-2"},
  25  
  26      {regex: /(?:(?:[0-9][0-9_]*)(?:(?:[Ee][+-]?[0-9_]+)|\.[0-9_]+(?:[Ee][+-]?[0-9_]+)?)(?:f32|f64)?)|(?:0(?:b[01_]+|(?:o[0-7_]+)|(?:x[0-9a-fA-F_]+))|(?:[0-9][0-9_]*))(?:u8|u16|u32|u64|i8|i16|i32|i64|isize|usize)?/,
  27       token: "number"},
  28      {regex: /(let(?:\s+mut)?|fn|enum|mod|struct|type|union)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)/, token: ["keyword", null, "def"]},
  29      {regex: /(?:abstract|alignof|as|async|await|box|break|continue|const|crate|do|dyn|else|enum|extern|fn|for|final|if|impl|in|loop|macro|match|mod|move|offsetof|override|priv|proc|pub|pure|ref|return|self|sizeof|static|struct|super|trait|type|typeof|union|unsafe|unsized|use|virtual|where|while|yield)\b/, token: "keyword"},
  30      {regex: /\b(?:Self|isize|usize|char|bool|u8|u16|u32|u64|f16|f32|f64|i8|i16|i32|i64|str|Option)\b/, token: "atom"},
  31      {regex: /\b(?:true|false|Some|None|Ok|Err)\b/, token: "builtin"},
  32      {regex: /\b(fn)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)/,
  33       token: ["keyword", null ,"def"]},
  34      {regex: /#!?\[.*\]/, token: "meta"},
  35      {regex: /\/\/.*/, token: "comment"},
  36      {regex: /\/\*/, token: "comment", next: "comment"},
  37      {regex: /[-+\/*=<>!]+/, token: "operator"},
  38      {regex: /[a-zA-Z_]\w*!/,token: "variable-3"},
  39      {regex: /[a-zA-Z_]\w*/, token: "variable"},
  40      {regex: /[\{\[\(]/, indent: true},
  41      {regex: /[\}\]\)]/, dedent: true}
  42    ],
  43    string: [
  44      {regex: /"/, token: "string", next: "start"},
  45      {regex: /(?:[^\\"]|\\(?:.|$))*/, token: "string"}
  46    ],
  47    string_raw: [
  48      {regex: /"/, token: "string", next: "start"},
  49      {regex: /[^"]*/, token: "string"}
  50    ],
  51    string_raw_hash: [
  52      {regex: /"#+/, token: "string", next: "start"},
  53      {regex: /(?:[^"]|"(?!#))*/, token: "string"}
  54    ],
  55    comment: [
  56      {regex: /.*?\*\//, token: "comment", next: "start"},
  57      {regex: /.*/, token: "comment"}
  58    ],
  59    meta: {
  60      dontIndentStates: ["comment"],
  61      electricInput: /^\s*\}$/,
  62      blockCommentStart: "/*",
  63      blockCommentEnd: "*/",
  64      lineComment: "//",
  65      fold: "brace"
  66    }
  67  });
  68  
  69  
  70  CodeMirror.defineMIME("text/x-rustsrc", "rust");
  71  CodeMirror.defineMIME("text/rust", "rust");
  72  });