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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), require("../clike/clike"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror", "../clike/clike"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var keywords = ("this super static final const abstract class extends external factory " +
"implements get native operator set typedef with enum throw rethrow " +
"assert break case continue default in return new deferred async await " +
"try catch finally do else for if switch while import library export " +
"part of show hide is as").split(" ");
var blockKeywords = "try catch finally do else for if switch while".split(" ");
var atoms = "true false null".split(" ");
var builtins = "void bool num int double dynamic var String".split(" ");
function set(words) {
var obj = {};
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
return obj;
}
function pushInterpolationStack(state) {
(state.interpolationStack || (state.interpolationStack = [])).push(state.tokenize);
}
function popInterpolationStack(state) {
return (state.interpolationStack || (state.interpolationStack = [])).pop();
}
function sizeInterpolationStack(state) {
return state.interpolationStack ? state.interpolationStack.length : 0;
}
CodeMirror.defineMIME("application/dart", {
name: "clike",
keywords: set(keywords),
blockKeywords: set(blockKeywords),
builtin: set(builtins),
atoms: set(atoms),
hooks: {
"@": function(stream) {
stream.eatWhile(/[\w\$_\.]/);
return "meta";
},
// custom string handling to deal with triple-quoted strings and string interpolation
"'": function(stream, state) {
return tokenString("'", stream, state, false);
},
"\"": function(stream, state) {
return tokenString("\"", stream, state, false);
},
"r": function(stream, state) {
var peek = stream.peek();
if (peek == "'" || peek == "\"") {
return tokenString(stream.next(), stream, state, true);
}
return false;
},
"}": function(_stream, state) {
// "}" is end of interpolation, if interpolation stack is non-empty
if (sizeInterpolationStack(state) > 0) {
state.tokenize = popInterpolationStack(state);
return null;
}
return false;
}
}
});
function tokenString(quote, stream, state, raw) {
var tripleQuoted = false;
if (stream.eat(quote)) {
if (stream.eat(quote)) tripleQuoted = true;
else return "string"; //empty string
}
function tokenStringHelper(stream, state) {
var escaped = false;
while (!stream.eol()) {
if (!raw && !escaped && stream.peek() == "$") {
pushInterpolationStack(state);
state.tokenize = tokenInterpolation;
return "string";
}
var next = stream.next();
if (next == quote && !escaped && (!tripleQuoted || stream.match(quote + quote))) {
state.tokenize = null;
break;
}
escaped = !raw && !escaped && next == "\\";
}
return "string";
}
state.tokenize = tokenStringHelper;
return tokenStringHelper(stream, state);
}
function tokenInterpolation(stream, state) {
stream.eat("$");
if (stream.eat("{")) {
// let clike handle the content of ${...},
// we take over again when "}" appears (see hooks).
state.tokenize = null;
} else {
state.tokenize = tokenInterpolationIdentifier;
}
return null;
}
function tokenInterpolationIdentifier(stream, state) {
stream.eatWhile(/[\w_]/);
state.tokenize = popInterpolationStack(state);
return "variable";
}
CodeMirror.registerHelper("hintWords", "application/dart", keywords.concat(atoms).concat(builtins));
// This is needed to make loading through meta.js work.
CodeMirror.defineMode("dart", function(conf) {
return CodeMirror.getMode(conf, "application/dart");
}, "clike");
});
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