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engine262: runtime & agent, documentation, testing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| 'use strict'; | ||
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| const cp = require('child_process'); | ||
| const fs = require('fs'); | ||
| const runtimePath = require('../runtimePath'); | ||
| const ConsoleAgent = require('../ConsoleAgent'); | ||
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| const isWindows = process.platform === 'win32' || | ||
| process.env.OSTYPE === 'cygwin' || | ||
| process.env.OSTYPE === 'msys'; | ||
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| class Engine262 extends ConsoleAgent { | ||
| evalScript(code, options = {}) { | ||
| if (options.module && this.args[0] !== '--module') { | ||
| this.args.unshift('--module'); | ||
| } | ||
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| if (!options.module && this.args[0] === '--module') { | ||
| this.args.shift(); | ||
| } | ||
|
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| return super.evalScript(code, options); | ||
| } | ||
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| stop() { | ||
| if (isWindows && this[Symbol.for('cp')]) { | ||
| // This is necessary for killing a node.js .cmd process on windows | ||
| this[Symbol.for('cp')].then(child => cp.exec(`taskkill -F -T -PID ${child.pid}`)); | ||
| } else { | ||
| super.stop(); | ||
| } | ||
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| return Promise.resolve(); | ||
| } | ||
| } | ||
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| Engine262.runtime = fs.readFileSync(runtimePath.for('engine262'), 'utf8'); | ||
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| module.exports = Engine262; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* Engine262 exposes a "$" object to its runtime */ | ||
| /* Using this["\x24"]; prevents overwrite by ConsoleAgent */ | ||
| var engine262 = this["\x24"]; | ||
| var $ = { | ||
| global: engine262.global, | ||
| realm: null, | ||
| createRealm(options) { | ||
| options = options || {}; | ||
| options.globals = options.globals || {}; | ||
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| var realm = engine262.createRealm(); | ||
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| realm.evalScript(this.source); | ||
| realm.getGlobal = this.getGlobal; | ||
| realm.setGlobal = this.setGlobal; | ||
| realm.source = this.source; | ||
| realm.destroy = function () { | ||
| if (options.destroy) { | ||
| options.destroy(); | ||
| } | ||
| }; | ||
|
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| for (var glob in options.globals) { | ||
| realm.global[glob] = options.globals[glob]; | ||
| } | ||
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| this.realm = realm; | ||
|
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| return realm; | ||
| }, | ||
| evalScript(code) { | ||
| try { | ||
| (this.realm || engine262).evalScript(code); | ||
| return { type: 'normal', value: undefined }; | ||
| } catch (e) { | ||
| return { type: 'throw', value: e }; | ||
| } | ||
| }, | ||
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| detachArrayBuffer: engine262.detachArrayBuffer, | ||
| getGlobal(name) { | ||
| return this.global[name]; | ||
| }, | ||
| setGlobal(name, value) { | ||
| this.global[name] = value; | ||
| }, | ||
| destroy() { /* noop */ }, | ||
| IsHTMLDDA() { return {}; }, | ||
| source: $SOURCE | ||
| }; |
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