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