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