static/panes/diff.js - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2017, Matt Godbolt
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.

 'use strict';

 var FontScale = require('../fontscale');
 var monaco = require('monaco-editor');
 var _ = require('underscore');
 var $ = require('jquery');
 var ga = require('../analytics');

 require('../modes/asm-mode');
 require('selectize');

 // note that these variables are saved to state, so don't change, only add to it
 var
     DiffType_ASM = 0,
     DiffType_CompilerStdOut = 1,
     DiffType_CompilerStdErr = 2,
     DiffType_ExecStdOut = 3,
     DiffType_ExecStdErr = 4;

 function State(id, model, difftype) {
     this.id = id;
     this.model = model;
     this.compiler = null;
     this.result = null;
     this.difftype = difftype;
 }

 State.prototype.update = function (id, compiler, result) {
     if (this.id !== id) return false;
     this.compiler = compiler;
     this.result = result;
     this.refresh();

     return true;
 };

 State.prototype.refresh = function () {
     var output = [];
     if (this.result) {
         switch (this.difftype) {
             case DiffType_ASM:
                 output = this.result.asm || [];
                 break;
             case DiffType_CompilerStdOut:
                 output = this.result.stdout || [];
                 break;
             case DiffType_CompilerStdErr:
                 output = this.result.stderr || [];
                 break;
             case DiffType_ExecStdOut:
                 if (this.result.execResult)
                     output = this.result.execResult.stdout || [];
                 break;
             case DiffType_ExecStdErr:
                 if (this.result.execResult)
                     output = this.result.execResult.stderr || [];
                 break;
         }
     }
     this.model.setValue(_.pluck(output, 'text').join('\n'));
 };

 function getItemDisplayTitle(item) {
     if (typeof item.id === 'string') {
         var p = item.id.indexOf('_exec');
         if (p !== -1) {
             return 'Executor #' + item.id.substr(0, p);
         }
     }

     return 'Compiler #' + item.id;
 }

 function Diff(hub, container, state) {
     this.container = container;
     this.eventHub = hub.createEventHub();
     this.domRoot = container.getElement();
     this.domRoot.html($('#diff').html());
     this.compilers = {};
     var root = this.domRoot.find('.monaco-placeholder');

     this.outputEditor = monaco.editor.createDiffEditor(root[0], {
         fontFamily: 'Consolas, "Liberation Mono", Courier, monospace',
         scrollBeyondLastLine: true,
         readOnly: true,
         language: 'asm',
     });

     this.lhs = new State(state.lhs, monaco.editor.createModel('', 'asm'), state.lhsdifftype || DiffType_ASM);
     this.rhs = new State(state.rhs, monaco.editor.createModel('', 'asm'), state.rhsdifftype || DiffType_ASM);
     this.outputEditor.setModel({ original: this.lhs.model, modified: this.rhs.model });

     var selectizeType = this.domRoot.find('.difftype-picker').selectize({
         sortField: 'name',
         valueField: 'id',
         labelField: 'name',
         searchField: ['name'],
         options: [
             { id: DiffType_ASM, name: 'Assembly' },
             { id: DiffType_CompilerStdOut, name: 'Compiler stdout' },
             { id: DiffType_CompilerStdErr, name: 'Compiler stderr' },
             { id: DiffType_ExecStdOut, name: 'Execution stdout' },
             { id: DiffType_ExecStdErr, name: 'Execution stderr' },
         ],
         items: [],
         render: {
             option: function (item, escape) {
                 return '<div>' + escape(item.name) + '</div>';
             },
         },
         dropdownParent: 'body',
     }).on('change', _.bind(function (e) {
         var target = $(e.target);
         if (target.hasClass('lhsdifftype')) {
             this.lhs.difftype = parseInt(target.val());
             this.lhs.refresh();
         } else {
             this.rhs.difftype = parseInt(target.val());
             this.rhs.refresh();
         }
         this.updateState();
     }, this));

     var selectize = this.domRoot.find('.diff-picker').selectize({
         sortField: 'name',
         valueField: 'id',
         labelField: 'name',
         searchField: ['name'],
         options: [],
         items: [],
         render: {
             option: function (item, escape) {
                 return '<div>' +
                     '<span class="compiler">' + escape(item.compiler.name) + '</span>' +
                     '<span class="options">' + escape(item.options) + '</span>' +
                     '<ul class="meta">' +
                     '<li class="editor">Editor #' + escape(item.editorId) + '</li>' +
                     '<li class="compilerId">' + escape(getItemDisplayTitle(item)) + '</li>' +
                     '</ul></div>';
             },
         },
         dropdownParent: 'body',
     }).on('change', _.bind(function (e) {
         var target = $(e.target);
         var compiler = this.compilers[target.val()];
         if (!compiler) return;
         if (target.hasClass('lhs')) {
             this.lhs.compiler = compiler;
             this.lhs.id = compiler.id;
         } else {
             this.rhs.compiler = compiler;
             this.rhs.id = compiler.id;
         }
         this.onDiffSelect(compiler.id);
     }, this));

     this.selectize = {
         lhs: selectize[0].selectize, rhs: selectize[1].selectize,
         lhsdifftype: selectizeType[0].selectize, rhsdifftype: selectizeType[1].selectize,
     };

     this.initButtons(state);
     this.initCallbacks();

     this.updateCompilerNames();
     this.updateCompilers();
     ga.proxy('send', {
         hitType: 'event',
         eventCategory: 'OpenViewPane',
         eventAction: 'Diff',
     });
 }

 // TODO: de-dupe with compiler etc
 Diff.prototype.resize = function () {
     var topBarHeight = this.topBar.outerHeight(true);
     this.outputEditor.layout({
         width: this.domRoot.width(),
         height: this.domRoot.height() - topBarHeight,
     });
 };

 Diff.prototype.onDiffSelect = function (id) {
     this.requestResendResult(id);
     this.updateCompilerNames();
     this.updateState();
 };

 Diff.prototype.onCompileResult = function (id, compiler, result) {
     // both sides must be updated, don't be tempted to rewrite this as
     // var changes = lhs.update() || rhs.update();
     var lhsChanged = this.lhs.update(id, compiler, result);
     var rhsChanged = this.rhs.update(id, compiler, result);
     if (lhsChanged || rhsChanged) {
         this.updateCompilerNames();
     }
 };

 Diff.prototype.onExecuteResult = function (id, compiler, result) {
     var compileResult = _.assign({}, result.buildResult);
     compileResult.execResult = {
         code: result.code,
         stdout: result.stdout,
         stderr: result.stderr,
     };

     this.onCompileResult(id + '_exec', compiler, compileResult);
 };

 Diff.prototype.initButtons = function (state) {
     this.fontScale = new FontScale(this.domRoot, state, this.outputEditor);

     this.topBar = this.domRoot.find('.top-bar');
 };

 Diff.prototype.initCallbacks = function () {
     this.fontScale.on('change', _.bind(this.updateState, this));

     this.eventHub.on('compileResult', this.onCompileResult, this);
     this.eventHub.on('executeResult', this.onExecuteResult, this);
     this.eventHub.on('compiler', this.onCompiler, this);
     this.eventHub.on('compilerClose', this.onCompilerClose, this);
     this.eventHub.on('executor', this.onExecutor, this);
     this.eventHub.on('executorClose', this.onExecutorClose, this);
     this.eventHub.on('settingsChange', this.onSettingsChange, this);
     this.eventHub.on('themeChange', this.onThemeChange, this);
     this.container.on('destroy', function () {
         this.eventHub.unsubscribe();
         this.outputEditor.dispose();
     }, this);
     this.container.on('resize', this.resize, this);
     this.container.on('shown', this.resize, this);

     this.requestResendResult(this.lhs.id);
     this.requestResendResult(this.rhs.id);

     this.eventHub.emit('findCompilers');
     this.eventHub.emit('findExecutors');

     this.eventHub.emit('requestTheme');
     this.eventHub.emit('requestSettings');
 };

 Diff.prototype.requestResendResult = function (id) {
     if (typeof id === 'string') {
         var p = id.indexOf('_exec');
         if (p !== -1) {
             var execId = parseInt(id.substr(0, p));
             this.eventHub.emit('resendExecution', execId);
         }
     } else {
         this.eventHub.emit('resendCompilation', id);
     }
 };

 Diff.prototype.onCompiler = function (id, compiler, options, editorId) {
     if (!compiler) return;
     options = options || '';
     var name = compiler.name + ' ' + options;
     // TODO: selectize doesn't play nicely with CSS tricks for truncation; this is the best I can do
     // There's a plugin at: http://www.benbybenjacobs.com/blog/2014/04/09/no-wrap-plugin-for-selectize-dot-js
     // but it doesn't look easy to integrate.
     var maxLength = 30;
     if (name.length > maxLength - 3) name = name.substr(0, maxLength - 3) + '...';
     this.compilers[id] = {
         id: id,
         name: name,
         options: options,
         editorId: editorId,
         compiler: compiler,
     };
     if (!this.lhs.id) {
         this.lhs.compiler = this.compilers[id];
         this.lhs.id = id;
         this.onDiffSelect(id);
     } else if (!this.rhs.id) {
         this.rhs.compiler = this.compilers[id];
         this.rhs.id = id;
         this.onDiffSelect(id);
     }
     this.updateCompilers();
 };

 Diff.prototype.onExecutor = function (id, compiler, options, editorId) {
     this.onCompiler(id + '_exec', compiler, options, editorId);
 };

 Diff.prototype.onCompilerClose = function (id) {
     delete this.compilers[id];
     this.updateCompilers();
 };

 Diff.prototype.onExecutorClose = function (id) {
     this.onCompilerClose(id + '_exec');
 };

 Diff.prototype.updateCompilerNames = function () {
     var name = 'Diff';
     if (this.lhs.compiler && this.rhs.compiler)
         name += ' ' + this.lhs.compiler.name + ' vs ' + this.rhs.compiler.name;
     this.container.setTitle(name);
 };

 Diff.prototype.updateCompilersFor = function (selectize, id) {
     selectize.clearOptions();
     _.each(this.compilers, function (compiler) {
         selectize.addOption(compiler);
     }, this);
     if (this.compilers[id]) {
         selectize.setValue(id);
     }
 };

 Diff.prototype.updateCompilers = function () {
     this.updateCompilersFor(this.selectize.lhs, this.lhs.id);
     this.updateCompilersFor(this.selectize.rhs, this.rhs.id);

     this.selectize.lhsdifftype.setValue(this.lhs.difftype || DiffType_ASM);
     this.selectize.rhsdifftype.setValue(this.rhs.difftype || DiffType_ASM);
 };

 Diff.prototype.updateState = function () {
     var state = {
         lhs: this.lhs.id,
         rhs: this.rhs.id,
         lhsdifftype: this.lhs.difftype,
         rhsdifftype: this.rhs.difftype,
     };
     this.fontScale.addState(state);
     this.container.setState(state);
 };

 Diff.prototype.onThemeChange = function (newTheme) {
     if (this.outputEditor)
         this.outputEditor.updateOptions({ theme: newTheme.monaco });
 };

 Diff.prototype.onSettingsChange = function (newSettings) {
     this.outputEditor.updateOptions({
         minimap: {
             enabled: newSettings.showMinimap,
         },
         fontFamily: newSettings.editorsFFont,
         fontLigatures: newSettings.editorsFLigatures,
     });
 };

 module.exports = {
     Diff: Diff,
     getComponent: function (lhs, rhs) {
         return {
             type: 'component',
             componentName: 'diff',
             componentState: { lhs: lhs, rhs: rhs },
         };
     },
 };
	// Copyright (c) 2017, Matt Godbolt
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE.

	'use strict';

	var FontScale = require('../fontscale');
	var monaco = require('monaco-editor');
	var _ = require('underscore');
	var $ = require('jquery');
	var ga = require('../analytics');

	require('../modes/asm-mode');
	require('selectize');

	// note that these variables are saved to state, so don't change, only add to it
	var
	DiffType_ASM = 0,
	DiffType_CompilerStdOut = 1,
	DiffType_CompilerStdErr = 2,
	DiffType_ExecStdOut = 3,
	DiffType_ExecStdErr = 4;

	function State(id, model, difftype) {
	this.id = id;
	this.model = model;
	this.compiler = null;
	this.result = null;
	this.difftype = difftype;
	}

	State.prototype.update = function (id, compiler, result) {
	if (this.id !== id) return false;
	this.compiler = compiler;
	this.result = result;
	this.refresh();

	return true;
	};

	State.prototype.refresh = function () {
	var output = [];
	if (this.result) {
	switch (this.difftype) {
	case DiffType_ASM:
	output = this.result.asm \|\| [];
	break;
	case DiffType_CompilerStdOut:
	output = this.result.stdout \|\| [];
	break;
	case DiffType_CompilerStdErr:
	output = this.result.stderr \|\| [];
	break;
	case DiffType_ExecStdOut:
	if (this.result.execResult)
	output = this.result.execResult.stdout \|\| [];
	break;
	case DiffType_ExecStdErr:
	if (this.result.execResult)
	output = this.result.execResult.stderr \|\| [];
	break;
	}
	}
	this.model.setValue(_.pluck(output, 'text').join('\n'));
	};

	function getItemDisplayTitle(item) {
	if (typeof item.id === 'string') {
	var p = item.id.indexOf('_exec');
	if (p !== -1) {
	return 'Executor #' + item.id.substr(0, p);
	}
	}

	return 'Compiler #' + item.id;
	}

	function Diff(hub, container, state) {
	this.container = container;
	this.eventHub = hub.createEventHub();
	this.domRoot = container.getElement();
	this.domRoot.html($('#diff').html());
	this.compilers = {};
	var root = this.domRoot.find('.monaco-placeholder');

	this.outputEditor = monaco.editor.createDiffEditor(root[0], {
	fontFamily: 'Consolas, "Liberation Mono", Courier, monospace',
	scrollBeyondLastLine: true,
	readOnly: true,
	language: 'asm',
	});

	this.lhs = new State(state.lhs, monaco.editor.createModel('', 'asm'), state.lhsdifftype \|\| DiffType_ASM);
	this.rhs = new State(state.rhs, monaco.editor.createModel('', 'asm'), state.rhsdifftype \|\| DiffType_ASM);
	this.outputEditor.setModel({ original: this.lhs.model, modified: this.rhs.model });

	var selectizeType = this.domRoot.find('.difftype-picker').selectize({
	sortField: 'name',
	valueField: 'id',
	labelField: 'name',
	searchField: ['name'],
	options: [
	{ id: DiffType_ASM, name: 'Assembly' },
	{ id: DiffType_CompilerStdOut, name: 'Compiler stdout' },
	{ id: DiffType_CompilerStdErr, name: 'Compiler stderr' },
	{ id: DiffType_ExecStdOut, name: 'Execution stdout' },
	{ id: DiffType_ExecStdErr, name: 'Execution stderr' },
	],
	items: [],
	render: {
	option: function (item, escape) {
	return '<div>' + escape(item.name) + '</div>';
	},
	},
	dropdownParent: 'body',
	}).on('change', _.bind(function (e) {
	var target = $(e.target);
	if (target.hasClass('lhsdifftype')) {
	this.lhs.difftype = parseInt(target.val());
	this.lhs.refresh();
	} else {
	this.rhs.difftype = parseInt(target.val());
	this.rhs.refresh();
	}
	this.updateState();
	}, this));

	var selectize = this.domRoot.find('.diff-picker').selectize({
	sortField: 'name',
	valueField: 'id',
	labelField: 'name',
	searchField: ['name'],
	options: [],
	items: [],
	render: {
	option: function (item, escape) {
	return '<div>' +
	'<span class="compiler">' + escape(item.compiler.name) + '</span>' +
	'<span class="options">' + escape(item.options) + '</span>' +
	'<ul class="meta">' +
	'<li class="editor">Editor #' + escape(item.editorId) + '</li>' +
	'<li class="compilerId">' + escape(getItemDisplayTitle(item)) + '</li>' +
	'</ul></div>';
	},
	},
	dropdownParent: 'body',
	}).on('change', _.bind(function (e) {
	var target = $(e.target);
	var compiler = this.compilers[target.val()];
	if (!compiler) return;
	if (target.hasClass('lhs')) {
	this.lhs.compiler = compiler;
	this.lhs.id = compiler.id;
	} else {
	this.rhs.compiler = compiler;
	this.rhs.id = compiler.id;
	}
	this.onDiffSelect(compiler.id);
	}, this));

	this.selectize = {
	lhs: selectize[0].selectize, rhs: selectize[1].selectize,
	lhsdifftype: selectizeType[0].selectize, rhsdifftype: selectizeType[1].selectize,
	};

	this.initButtons(state);
	this.initCallbacks();

	this.updateCompilerNames();
	this.updateCompilers();
	ga.proxy('send', {
	hitType: 'event',
	eventCategory: 'OpenViewPane',
	eventAction: 'Diff',
	});
	}

	// TODO: de-dupe with compiler etc
	Diff.prototype.resize = function () {
	var topBarHeight = this.topBar.outerHeight(true);
	this.outputEditor.layout({
	width: this.domRoot.width(),
	height: this.domRoot.height() - topBarHeight,
	});
	};

	Diff.prototype.onDiffSelect = function (id) {
	this.requestResendResult(id);
	this.updateCompilerNames();
	this.updateState();
	};

	Diff.prototype.onCompileResult = function (id, compiler, result) {
	// both sides must be updated, don't be tempted to rewrite this as
	// var changes = lhs.update() \|\| rhs.update();
	var lhsChanged = this.lhs.update(id, compiler, result);
	var rhsChanged = this.rhs.update(id, compiler, result);
	if (lhsChanged \|\| rhsChanged) {
	this.updateCompilerNames();
	}
	};

	Diff.prototype.onExecuteResult = function (id, compiler, result) {
	var compileResult = _.assign({}, result.buildResult);
	compileResult.execResult = {
	code: result.code,
	stdout: result.stdout,
	stderr: result.stderr,
	};

	this.onCompileResult(id + '_exec', compiler, compileResult);
	};

	Diff.prototype.initButtons = function (state) {
	this.fontScale = new FontScale(this.domRoot, state, this.outputEditor);

	this.topBar = this.domRoot.find('.top-bar');
	};

	Diff.prototype.initCallbacks = function () {
	this.fontScale.on('change', _.bind(this.updateState, this));

	this.eventHub.on('compileResult', this.onCompileResult, this);
	this.eventHub.on('executeResult', this.onExecuteResult, this);
	this.eventHub.on('compiler', this.onCompiler, this);
	this.eventHub.on('compilerClose', this.onCompilerClose, this);
	this.eventHub.on('executor', this.onExecutor, this);
	this.eventHub.on('executorClose', this.onExecutorClose, this);
	this.eventHub.on('settingsChange', this.onSettingsChange, this);
	this.eventHub.on('themeChange', this.onThemeChange, this);
	this.container.on('destroy', function () {
	this.eventHub.unsubscribe();
	this.outputEditor.dispose();
	}, this);
	this.container.on('resize', this.resize, this);
	this.container.on('shown', this.resize, this);

	this.requestResendResult(this.lhs.id);
	this.requestResendResult(this.rhs.id);

	this.eventHub.emit('findCompilers');
	this.eventHub.emit('findExecutors');

	this.eventHub.emit('requestTheme');
	this.eventHub.emit('requestSettings');
	};

	Diff.prototype.requestResendResult = function (id) {
	if (typeof id === 'string') {
	var p = id.indexOf('_exec');
	if (p !== -1) {
	var execId = parseInt(id.substr(0, p));
	this.eventHub.emit('resendExecution', execId);
	}
	} else {
	this.eventHub.emit('resendCompilation', id);
	}
	};

	Diff.prototype.onCompiler = function (id, compiler, options, editorId) {
	if (!compiler) return;
	options = options \|\| '';
	var name = compiler.name + ' ' + options;
	// TODO: selectize doesn't play nicely with CSS tricks for truncation; this is the best I can do
	// There's a plugin at: http://www.benbybenjacobs.com/blog/2014/04/09/no-wrap-plugin-for-selectize-dot-js
	// but it doesn't look easy to integrate.
	var maxLength = 30;
	if (name.length > maxLength - 3) name = name.substr(0, maxLength - 3) + '...';
	this.compilers[id] = {
	id: id,
	name: name,
	options: options,
	editorId: editorId,
	compiler: compiler,
	};
	if (!this.lhs.id) {
	this.lhs.compiler = this.compilers[id];
	this.lhs.id = id;
	this.onDiffSelect(id);
	} else if (!this.rhs.id) {
	this.rhs.compiler = this.compilers[id];
	this.rhs.id = id;
	this.onDiffSelect(id);
	}
	this.updateCompilers();
	};

	Diff.prototype.onExecutor = function (id, compiler, options, editorId) {
	this.onCompiler(id + '_exec', compiler, options, editorId);
	};

	Diff.prototype.onCompilerClose = function (id) {
	delete this.compilers[id];
	this.updateCompilers();
	};

	Diff.prototype.onExecutorClose = function (id) {
	this.onCompilerClose(id + '_exec');
	};

	Diff.prototype.updateCompilerNames = function () {
	var name = 'Diff';
	if (this.lhs.compiler && this.rhs.compiler)
	name += ' ' + this.lhs.compiler.name + ' vs ' + this.rhs.compiler.name;
	this.container.setTitle(name);
	};

	Diff.prototype.updateCompilersFor = function (selectize, id) {
	selectize.clearOptions();
	_.each(this.compilers, function (compiler) {
	selectize.addOption(compiler);
	}, this);
	if (this.compilers[id]) {
	selectize.setValue(id);
	}
	};

	Diff.prototype.updateCompilers = function () {
	this.updateCompilersFor(this.selectize.lhs, this.lhs.id);
	this.updateCompilersFor(this.selectize.rhs, this.rhs.id);

	this.selectize.lhsdifftype.setValue(this.lhs.difftype \|\| DiffType_ASM);
	this.selectize.rhsdifftype.setValue(this.rhs.difftype \|\| DiffType_ASM);
	};

	Diff.prototype.updateState = function () {
	var state = {
	lhs: this.lhs.id,
	rhs: this.rhs.id,
	lhsdifftype: this.lhs.difftype,
	rhsdifftype: this.rhs.difftype,
	};
	this.fontScale.addState(state);
	this.container.setState(state);
	};

	Diff.prototype.onThemeChange = function (newTheme) {
	if (this.outputEditor)
	this.outputEditor.updateOptions({ theme: newTheme.monaco });
	};

	Diff.prototype.onSettingsChange = function (newSettings) {
	this.outputEditor.updateOptions({
	minimap: {
	enabled: newSettings.showMinimap,
	},
	fontFamily: newSettings.editorsFFont,
	fontLigatures: newSettings.editorsFLigatures,
	});
	};

	module.exports = {
	Diff: Diff,
	getComponent: function (lhs, rhs) {
	return {
	type: 'component',
	componentName: 'diff',
	componentState: { lhs: lhs, rhs: rhs },
	};
	},
	};