// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://codemirror.net/LICENSE

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(function(mod) {

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if (typeof exports == "object" && typeof module == "object") // CommonJS

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mod(require("../../lib/codemirror"), require("../../addon/mode/simple"));

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else if (typeof define == "function" && define.amd) // AMD

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define(["../../lib/codemirror", "../../addon/mode/simple"], mod);

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else // Plain browser env

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mod(CodeMirror);

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})(function(CodeMirror) {

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"use strict";

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CodeMirror.defineSimpleMode("rust",{

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start: [

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// string and byte string

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{regex: /b?"/, token: "string", next: "string"},

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// raw string and raw byte string

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{regex: /b?r"/, token: "string", next: "string_raw"},

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{regex: /b?r#+"/, token: "string", next: "string_raw_hash"},

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// character

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{regex: /'(?:[^'\\]|\\(?:[nrt0'"]|x[\da-fA-F]{2}|u\{[\da-fA-F]{6}\}))'/, token: "string-2"},

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// byte

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{regex: /b'(?:[^']|\\(?:['\\nrt0]|x[\da-fA-F]{2}))'/, token: "string-2"},

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{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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token: "number"},

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{regex: /(let(?:\s+mut)?|fn|enum|mod|struct|type)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)/, token: ["keyword", null, "def"]},

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{regex: /(?:abstract|alignof|as|box|break|continue|const|crate|do|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|unsafe|unsized|use|virtual|where|while|yield)\b/, token: "keyword"},

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{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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{regex: /\b(?:true|false|Some|None|Ok|Err)\b/, token: "builtin"},

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{regex: /\b(fn)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)/,

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token: ["keyword", null ,"def"]},

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{regex: /#!?\[.*\]/, token: "meta"},

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{regex: /\/\/.*/, token: "comment"},

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{regex: /\/\*/, token: "comment", next: "comment"},

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{regex: /[-+\/*=<>!]+/, token: "operator"},

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{regex: /[a-zA-Z_]\w*!/,token: "variable-3"},

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{regex: /[a-zA-Z_]\w*/, token: "variable"},

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{regex: /[\{\[\(]/, indent: true},

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{regex: /[\}\]\)]/, dedent: true}

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],

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string: [

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{regex: /"/, token: "string", next: "start"},

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{regex: /(?:[^\\"]|\\(?:.|$))*/, token: "string"}

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],

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string_raw: [

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{regex: /"/, token: "string", next: "start"},

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{regex: /[^"]*/, token: "string"}

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],

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string_raw_hash: [

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{regex: /"#+/, token: "string", next: "start"},

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{regex: /(?:[^"]|"(?!#))*/, token: "string"}

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],

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comment: [

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{regex: /.*?\*\//, token: "comment", next: "start"},

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{regex: /.*/, token: "comment"}

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],

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meta: {

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dontIndentStates: ["comment"],

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electricInput: /^\s*\}$/,

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blockCommentStart: "/*",

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blockCommentEnd: "*/",

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lineComment: "//",

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fold: "brace"

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}

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});

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CodeMirror.defineMIME("text/x-rustsrc", "rust");

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});

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