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				|  |  | +/**
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				|  |  | + * This is a "compiler" for Amber code.
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				|  |  | + * Put the following code into compiler.js:
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				|  |  | + *     var amberc = require('amberc');
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				|  |  | + *     var compiler = new amberc.Compiler('path/to/amber');
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				|  |  | + *     var options = amberc.createDefaults();
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				|  |  | + *     // edit options entries
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				|  |  | + *     compiler.main(options);
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				|  |  | + */
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Helper for concatenating Amber generated AMD modules.
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				|  |  | + * The produced output can be exported and run as an independent program.
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				|  |  | + *
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				|  |  | + * var concatenator = createConcatenator();
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				|  |  | + * concatenator.start(); // write the required AMD define header
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				|  |  | + * concatenator.add(module1);
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				|  |  | + * concatenator.addId(module1_ID);
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				|  |  | + * //...
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				|  |  | + * concatenator.finish("//some last code");
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				|  |  | + * var concatenation = concatenator.toString();
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				|  |  | + * // The variable concatenation contains the concatenated result
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				|  |  | + * // which can either be stored in a file or interpreted with eval().
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				|  |  | + */
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				|  |  | +function createConcatenator () {
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				|  |  | +	return {
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				|  |  | +		elements: [],
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				|  |  | +		ids: [],
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				|  |  | +		add: function () {
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				|  |  | +			this.elements.push.apply(this.elements, arguments);
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				|  |  | +		},
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				|  |  | +		addId: function () {
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				|  |  | +			this.ids.push.apply(this.ids, arguments);
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				|  |  | +		},
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				|  |  | +		forEach: function () {
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				|  |  | +			this.elements.forEach.apply(this.elements, arguments);
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				|  |  | +		},
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				|  |  | +		start: function () {
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				|  |  | +			this.add(
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				|  |  | +				'var define = (' + require('amdefine') + ')(null, function (id) { throw new Error("Dependency not found: " +  id); }), requirejs = define.require;',
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				|  |  | +				'define("amber_vm/browser-compatibility", [], {});'
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				|  |  | +			);
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				|  |  | +		},
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				|  |  | +		finish: function (realWork) {
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				|  |  | +			this.add(
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				|  |  | +				'define("amber_vm/_init", ["amber_vm/smalltalk", "amber_vm/globals", "' + this.ids.join('","') + '"], function (vm, globals) {',
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				|  |  | +				'vm.initialize();',
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				|  |  | +				realWork,
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				|  |  | +				'});',
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				|  |  | +				'requirejs("amber_vm/_init");'
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				|  |  | +			);
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				|  |  | +		},
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				|  |  | +		toString: function () {
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				|  |  | +			return this.elements.join('\n');
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				|  |  | +		}
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				|  |  | +	};
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				|  |  | +}
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				|  |  | +
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				|  |  | +
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				|  |  | +var path = require('path'),
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				|  |  | +	fs = require('fs'),
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				|  |  | +	Promise = require('es6-promise').Promise;
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * AmberCompiler constructor function.
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				|  |  | + * amber_dir: points to the location of an amber installation
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				|  |  | + */
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				|  |  | +function AmberCompiler(amber_dir) {
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				|  |  | +	if (undefined === amber_dir || !fs.existsSync(amber_dir)) {
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				|  |  | +		throw new Error('amber_dir needs to be a valid directory');
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				|  |  | +	}
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				|  |  | +
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				|  |  | +	this.amber_dir = amber_dir;
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				|  |  | +	this.kernel_libraries = ['boot', 'smalltalk', 'globals', 'nil', '_st', 'Kernel-Objects', 'Kernel-Classes', 'Kernel-Methods',
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				|  |  | +							'Kernel-Collections', 'Kernel-Infrastructure', 'Kernel-Exceptions', 'Kernel-Transcript',
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				|  |  | +							'Kernel-Announcements'];
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				|  |  | +	this.compiler_libraries = this.kernel_libraries.concat(['parser', 'Kernel-ImportExport', 'Compiler-Exceptions',
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				|  |  | +							'Compiler-Core', 'Compiler-AST', 'Compiler-Exceptions', 'Compiler-IR', 'Compiler-Inlining', 'Compiler-Semantic']);
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				|  |  | +}
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Default values.
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				|  |  | + */
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				|  |  | +var createDefaultConfiguration = function() {
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				|  |  | +	return {
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				|  |  | +		'load': [],
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				|  |  | +		'main': undefined,
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				|  |  | +		'mainfile': undefined,
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				|  |  | +		'stFiles': [],
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				|  |  | +		'jsFiles': [],
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				|  |  | +		'jsGlobals': [],
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				|  |  | +		'amd_namespace': 'amber_core',
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				|  |  | +		'suffix': '',
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				|  |  | +		'loadsuffix': '',
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				|  |  | +		'suffix_used': '',
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				|  |  | +		'libraries': [],
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				|  |  | +		'jsLibraryDirs': [],
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				|  |  | +		'compile': [],
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				|  |  | +		'compiled': [],
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				|  |  | +		'program': undefined,
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				|  |  | +		'output_dir': undefined,
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				|  |  | +		'verbose': false
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				|  |  | +	};
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				|  |  | +};
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Main function for executing the compiler.
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				|  |  | + * If check_configuration_ok() returns successfully
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				|  |  | + * the configuration is used to trigger the following compilation steps.
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				|  |  | + */
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				|  |  | +AmberCompiler.prototype.main = function(configuration, finished_callback) {
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				|  |  | +	console.time('Compile Time');
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				|  |  | +
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				|  |  | +	if (configuration.amd_namespace.length === 0) {
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				|  |  | +		configuration.amd_namespace = 'amber_core';
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				|  |  | +	}
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				|  |  | +
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				|  |  | +	if (undefined !== configuration.jsLibraryDirs) {
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				|  |  | +		configuration.jsLibraryDirs.push(path.join(this.amber_dir, 'src'));
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				|  |  | +		configuration.jsLibraryDirs.push(path.join(this.amber_dir, 'support'));
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				|  |  | +	}
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				|  |  | +
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				|  |  | +	console.ambercLog = console.log;
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				|  |  | +	if (false === configuration.verbose) {
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				|  |  | +		console.log = function() {};
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				|  |  | +	}
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				|  |  | +
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				|  |  | +	// the evaluated compiler will be stored in this variable (see create_compiler)
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				|  |  | +	configuration.vm = {};
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				|  |  | +	configuration.globals = {};
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				|  |  | +	configuration.kernel_libraries = this.kernel_libraries;
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				|  |  | +	configuration.compiler_libraries = this.compiler_libraries;
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				|  |  | +	configuration.amber_dir = this.amber_dir;
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				|  |  | +
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				|  |  | +	check_configuration(configuration)
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				|  |  | +	.then(collect_st_files)
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				|  |  | +	.then(collect_js_files)
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				|  |  | +	.then(resolve_kernel)
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				|  |  | +	.then(create_compiler)
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				|  |  | +	.then(compile)
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				|  |  | +	.then(category_export)
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				|  |  | +	.then(verify)
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				|  |  | +	.then(compose_js_files)
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				|  |  | +	.then(function () {
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				|  |  | +		console.timeEnd('Compile Time');
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				|  |  | +	}, function(error) {
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				|  |  | +		console.error(error);
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				|  |  | +	})
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				|  |  | +	.then(function () {
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				|  |  | +		console.log = console.ambercLog;
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				|  |  | +		finished_callback && finished_callback();
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				|  |  | +	});
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				|  |  | +};
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Check if the passed in configuration object has sufficient/nonconflicting values.
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				|  |  | + * Returns a Promise which resolves into the configuration object.
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				|  |  | + */
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				|  |  | +function check_configuration(configuration) {
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				|  |  | +	return new Promise(function(resolve, reject) {
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				|  |  | +		if (undefined === configuration) {
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				|  |  | +			reject(Error('AmberCompiler.check_configuration_ok(): missing configuration object'));
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				|  |  | +		}
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				|  |  | +
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				|  |  | +		if (0 === configuration.jsFiles.length && 0 === configuration.stFiles.length) {
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				|  |  | +			reject(Error('AmberCompiler.check_configuration_ok(): no files to compile/link specified in configuration object'));
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				|  |  | +		}
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				|  |  | +
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				|  |  | +		resolve(configuration);
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				|  |  | +	});
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				|  |  | +};
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Check if the file given as parameter exists in any of the following directories:
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				|  |  | + *  1. current local directory
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				|  |  | + *  2. configuration.jsLibraryDirs
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				|  |  | + *  3. $AMBER/src/
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				|  |  | + *  3. $AMBER/support/
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				|  |  | + *
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				|  |  | + * @param filename name of a file without '.js' prefix
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				|  |  | + * @param configuration the main amberc configuration object
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				|  |  | + */
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				|  |  | +function resolve_js(filename, configuration) {
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				|  |  | +	var baseName = path.basename(filename, '.js');
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				|  |  | +	var jsFile = baseName + configuration.loadsuffix + '.js';
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				|  |  | +	return resolve_file(jsFile, configuration.jsLibraryDirs);
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				|  |  | +};
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Check if the file given as parameter exists in any of the following directories:
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				|  |  | + *  1. current local directory
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				|  |  | + *  2. $AMBER/
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				|  |  | + *
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				|  |  | + * @param filename name of a .st file
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				|  |  | + * @param configuration the main amberc configuration object
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				|  |  | + */
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				|  |  | +function resolve_st(filename, configuration) {
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				|  |  | +	return resolve_file(filename, [configuration.amber_dir]);
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				|  |  | +};
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Resolve the location of a file given as parameter filename.
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				|  |  | + * First check if the file exists at given location,
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				|  |  | + * then check in each of the directories specified in parameter searchDirectories.
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				|  |  | + */
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				|  |  | +function resolve_file(filename, searchDirectories) {
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				|  |  | +	return new Promise(function(resolve, reject) {
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				|  |  | +		console.log('Resolving: ' + filename);
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				|  |  | +		fs.exists(filename, function(exists) {
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				|  |  | +			if (exists) {
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				|  |  | +				resolve(filename);
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				|  |  | +			} else {
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				|  |  | +				var alternativeFile = '';
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				|  |  | +				// check for filename in any of the given searchDirectories
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				|  |  | +				var found = searchDirectories.some(function(directory) {
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				|  |  | +					alternativeFile = path.join(directory, filename);
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				|  |  | +					return fs.existsSync(alternativeFile);
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				|  |  | +				});
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				|  |  | +				if (found) {
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				|  |  | +					resolve(alternativeFile);
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				|  |  | +				} else {
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				|  |  | +					reject(Error('File not found: ' + alternativeFile));
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				|  |  | +				}
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				|  |  | +			}
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				|  |  | +		});
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				|  |  | +	});
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				|  |  | +};
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Resolve st files given by stFiles and add them to configuration.compile.
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				|  |  | + * Returns a Promise which resolves into the configuration object.
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				|  |  | + */
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				|  |  | +function collect_st_files(configuration) {
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				|  |  | +	return Promise.all(
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				|  |  | +		configuration.stFiles.map(function(stFile) {
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				|  |  | +			return resolve_st(stFile, configuration);
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				|  |  | +		})
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				|  |  | +	)
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				|  |  | +	.then(function(data) {
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				|  |  | +		configuration.compile = configuration.compile.concat(data);
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				|  |  | +		return configuration;
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				|  |  | +	});
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				|  |  | +}
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Resolve js files given by jsFiles and add them to configuration.libraries.
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				|  |  | + * Returns a Promise which resolves into the configuration object.
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				|  |  | + */
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				|  |  | +function collect_js_files(configuration) {
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				|  |  | +	return Promise.all(
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				|  |  | +		configuration.jsFiles.map(function(file) {
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				|  |  | +			return resolve_js(file, configuration);
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				|  |  | +		})
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				|  |  | +	)
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				|  |  | +	.then(function(data) {
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				|  |  | +		configuration.libraries = configuration.libraries.concat(data);
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				|  |  | +		return configuration;
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				|  |  | +	});
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				|  |  | +}
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Resolve .js files needed by kernel.
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				|  |  | + * Returns a Promise which resolves into the configuration object.
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				|  |  | + */
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				|  |  | +function resolve_kernel(configuration) {
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				|  |  | +	var kernel_files = configuration.kernel_libraries.concat(configuration.load);
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				|  |  | +	return Promise.all(
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				|  |  | +		kernel_files.map(function(file) {
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				|  |  | +			return resolve_js(file, configuration);
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				|  |  | +		})
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				|  |  | +	)
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				|  |  | +	.then(function(data) {
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				|  |  | +		// boot.js and Kernel files need to be used first
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				|  |  | +		// otherwise the global objects 'vm' and 'globals' are undefined
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				|  |  | +		configuration.libraries = data.concat(configuration.libraries);
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				|  |  | +		return configuration;
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				|  |  | +	});
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				|  |  | +}
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				|  |  | +
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Resolve .js files needed by compiler, read and eval() them.
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				|  |  | + * The finished Compiler gets stored in configuration.{vm,globals}.
 | 
	
		
			
				|  |  | + * Returns a Promise object which resolves into the configuration object.
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				|  |  | + */
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				|  |  | +function create_compiler(configuration) {
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				|  |  | +	var compiler_files = configuration.compiler_libraries;
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				|  |  | +	var include_files = configuration.load;
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				|  |  | +	var builder;
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				|  |  | +	return Promise.all(
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				|  |  | +		compiler_files.map(function(file) {
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				|  |  | +			return resolve_js(file, configuration);
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				|  |  | +		})
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				|  |  | +	)
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				|  |  | +	.then(function(compilerFilesArray) {
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				|  |  | +		return Promise.all(
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				|  |  | +			compilerFilesArray.map(function(file) {
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				|  |  | +				return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +					console.log('Loading file: ' + file);
 | 
	
		
			
				|  |  | +					fs.readFile(file, function(err, data) {
 | 
	
		
			
				|  |  | +						if (err)
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				|  |  | +							reject(err);
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				|  |  | +						else
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				|  |  | +							resolve(data);
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				|  |  | +					});
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				|  |  | +				});
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				|  |  | +			})
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				|  |  | +		)
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				|  |  | +	})
 | 
	
		
			
				|  |  | +	.then(function(files) {
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				|  |  | +		builder = createConcatenator();
 | 
	
		
			
				|  |  | +		builder.add('(function() {');
 | 
	
		
			
				|  |  | +		builder.start();
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				|  |  | +
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				|  |  | +		files.forEach(function(data) {
 | 
	
		
			
				|  |  | +			// data is an array where index 0 is the error code and index 1 contains the data
 | 
	
		
			
				|  |  | +			builder.add(data);
 | 
	
		
			
				|  |  | +			// matches and returns the "module_id" string in the AMD definition: define("module_id", ...)
 | 
	
		
			
				|  |  | +			var match = ('' + data).match(/^define\("([^"]*)"/);
 | 
	
		
			
				|  |  | +			if (match) {
 | 
	
		
			
				|  |  | +				builder.addId(match[1]);
 | 
	
		
			
				|  |  | +			}
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +	})
 | 
	
		
			
				|  |  | +	.then(function () { return Promise.all(
 | 
	
		
			
				|  |  | +		include_files.map(function(file) {
 | 
	
		
			
				|  |  | +			return resolve_js(file, configuration);
 | 
	
		
			
				|  |  | +		})
 | 
	
		
			
				|  |  | +	); })
 | 
	
		
			
				|  |  | +	.then(function(includeFilesArray) {
 | 
	
		
			
				|  |  | +		return Promise.all(
 | 
	
		
			
				|  |  | +			includeFilesArray.map(function(file) {
 | 
	
		
			
				|  |  | +				return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +					console.log('Loading library file: ' + file);
 | 
	
		
			
				|  |  | +					fs.readFile(file, function(err, data) {
 | 
	
		
			
				|  |  | +						if (err)
 | 
	
		
			
				|  |  | +							reject(err);
 | 
	
		
			
				|  |  | +						else
 | 
	
		
			
				|  |  | +							resolve(data);
 | 
	
		
			
				|  |  | +					});
 | 
	
		
			
				|  |  | +				});
 | 
	
		
			
				|  |  | +			})
 | 
	
		
			
				|  |  | +		)
 | 
	
		
			
				|  |  | +	})
 | 
	
		
			
				|  |  | +	.then(function(files) {
 | 
	
		
			
				|  |  | +		var loadIds = [];
 | 
	
		
			
				|  |  | +		files.forEach(function(data) {
 | 
	
		
			
				|  |  | +			// data is an array where index 0 is the error code and index 1 contains the data
 | 
	
		
			
				|  |  | +			builder.add(data);
 | 
	
		
			
				|  |  | +			// matches and returns the "module_id" string in the AMD definition: define("module_id", ...)
 | 
	
		
			
				|  |  | +			var match = ('' + data).match(/^define\("([^"]*)"/);
 | 
	
		
			
				|  |  | +			if (match) {
 | 
	
		
			
				|  |  | +				loadIds.push(match[1]);
 | 
	
		
			
				|  |  | +			}
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +		// store the generated smalltalk env in configuration.{vm,globals}
 | 
	
		
			
				|  |  | +		builder.finish('configuration.vm = vm; configuration.globals = globals;');
 | 
	
		
			
				|  |  | +		loadIds.forEach(function (id) {
 | 
	
		
			
				|  |  | +			builder.add('requirejs("' + id + '");');
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +		builder.add('})();');
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		eval(builder.toString());
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		console.log('Compiler loaded');
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		configuration.globals.ErrorHandler._register_(configuration.globals.RethrowErrorHandler._new());
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		if(0 !== configuration.jsGlobals.length) {
 | 
	
		
			
				|  |  | +			var jsGlobalVariables = configuration.vm.globalJsVariables;
 | 
	
		
			
				|  |  | +			jsGlobalVariables.push.apply(jsGlobalVariables, configuration.jsGlobals);
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		return configuration;
 | 
	
		
			
				|  |  | +	});
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Compile all given .st files by importing them.
 | 
	
		
			
				|  |  | + * Returns a Promise object that resolves into the configuration object.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function compile(configuration) {
 | 
	
		
			
				|  |  | +	// return function which does the actual work
 | 
	
		
			
				|  |  | +	// and use the compile function to reference the configuration object
 | 
	
		
			
				|  |  | +	return Promise.all(
 | 
	
		
			
				|  |  | +		configuration.compile.map(function(stFile) {
 | 
	
		
			
				|  |  | +			return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +				if (/\.st/.test(stFile)) {
 | 
	
		
			
				|  |  | +					console.ambercLog('Reading: ' + stFile);
 | 
	
		
			
				|  |  | +					fs.readFile(stFile, 'utf8', function(err, data) {
 | 
	
		
			
				|  |  | +						if (!err)
 | 
	
		
			
				|  |  | +							resolve(data);
 | 
	
		
			
				|  |  | +						else
 | 
	
		
			
				|  |  | +							reject(Error('Could not read: ' + stFile));
 | 
	
		
			
				|  |  | +					});
 | 
	
		
			
				|  |  | +				}
 | 
	
		
			
				|  |  | +			});
 | 
	
		
			
				|  |  | +		})
 | 
	
		
			
				|  |  | +	)
 | 
	
		
			
				|  |  | +	.then(function(fileContents) {
 | 
	
		
			
				|  |  | +		console.log('Compiling collected .st files');
 | 
	
		
			
				|  |  | +		// import/compile content of .st files
 | 
	
		
			
				|  |  | +		return Promise.all(
 | 
	
		
			
				|  |  | +			fileContents.map(function(code) {
 | 
	
		
			
				|  |  | +				return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +					var importer = configuration.globals.Importer._new();
 | 
	
		
			
				|  |  | +					try {
 | 
	
		
			
				|  |  | +						importer._import_(code._stream());
 | 
	
		
			
				|  |  | +						resolve(true);
 | 
	
		
			
				|  |  | +					} catch (ex) {
 | 
	
		
			
				|  |  | +						reject(Error("Compiler error in section:\n" +
 | 
	
		
			
				|  |  | +							importer._lastSection() + "\n\n" +
 | 
	
		
			
				|  |  | +							"while processing chunk:\n" +
 | 
	
		
			
				|  |  | +							importer._lastChunk() + "\n\n" +
 | 
	
		
			
				|  |  | +							(ex._messageText && ex._messageText() || ex.message || ex))
 | 
	
		
			
				|  |  | +						);
 | 
	
		
			
				|  |  | +					}
 | 
	
		
			
				|  |  | +				});
 | 
	
		
			
				|  |  | +			})
 | 
	
		
			
				|  |  | +		);
 | 
	
		
			
				|  |  | +	})
 | 
	
		
			
				|  |  | +	.then(function () {
 | 
	
		
			
				|  |  | +		return configuration;
 | 
	
		
			
				|  |  | +	});
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Export compiled categories to JavaScript files.
 | 
	
		
			
				|  |  | + * Returns a Promise() that resolves into the configuration object.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function category_export(configuration) {
 | 
	
		
			
				|  |  | +	return Promise.all(
 | 
	
		
			
				|  |  | +		configuration.compile.map(function(stFile) {
 | 
	
		
			
				|  |  | +			return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +				var category = path.basename(stFile, '.st');
 | 
	
		
			
				|  |  | +				var jsFilePath = configuration.output_dir;
 | 
	
		
			
				|  |  | +				if (undefined === jsFilePath) {
 | 
	
		
			
				|  |  | +					jsFilePath = path.dirname(stFile);
 | 
	
		
			
				|  |  | +				}
 | 
	
		
			
				|  |  | +				var jsFile = category + configuration.suffix_used + '.js';
 | 
	
		
			
				|  |  | +				jsFile = path.join(jsFilePath, jsFile);
 | 
	
		
			
				|  |  | +				configuration.compiled.push(jsFile);
 | 
	
		
			
				|  |  | +				var smalltalkGlobals = configuration.globals;
 | 
	
		
			
				|  |  | +				var packageObject = smalltalkGlobals.Package._named_(category);
 | 
	
		
			
				|  |  | +				packageObject._transport()._namespace_(configuration.amd_namespace);
 | 
	
		
			
				|  |  | +				fs.writeFile(jsFile, smalltalkGlobals.String._streamContents_(function (stream) {
 | 
	
		
			
				|  |  | +					smalltalkGlobals.AmdExporter._new()._exportPackage_on_(packageObject, stream);
 | 
	
		
			
				|  |  | +				}), function(err) {
 | 
	
		
			
				|  |  | +					if (err)
 | 
	
		
			
				|  |  | +						reject(err);
 | 
	
		
			
				|  |  | +					else
 | 
	
		
			
				|  |  | +						resolve(true);
 | 
	
		
			
				|  |  | +				});
 | 
	
		
			
				|  |  | +			});
 | 
	
		
			
				|  |  | +		})
 | 
	
		
			
				|  |  | +	)
 | 
	
		
			
				|  |  | +	.then(function() {
 | 
	
		
			
				|  |  | +		return configuration;
 | 
	
		
			
				|  |  | +	});
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Verify if all .st files have been compiled.
 | 
	
		
			
				|  |  | + * Returns a Promise() that resolves into the configuration object.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function verify(configuration) {
 | 
	
		
			
				|  |  | +	console.log('Verifying if all .st files were compiled');
 | 
	
		
			
				|  |  | +	return Promise.all(
 | 
	
		
			
				|  |  | +		configuration.compiled.map(function(file) {
 | 
	
		
			
				|  |  | +			return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +				fs.exists(file, function(exists) {
 | 
	
		
			
				|  |  | +					if (exists)
 | 
	
		
			
				|  |  | +						resolve(true);
 | 
	
		
			
				|  |  | +					else
 | 
	
		
			
				|  |  | +						reject(Error('Compilation failed of: ' + file));
 | 
	
		
			
				|  |  | +				});
 | 
	
		
			
				|  |  | +			});
 | 
	
		
			
				|  |  | +		})
 | 
	
		
			
				|  |  | +	)
 | 
	
		
			
				|  |  | +	.then(function() {
 | 
	
		
			
				|  |  | +		return configuration;
 | 
	
		
			
				|  |  | +	});
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | + * Synchronous function.
 | 
	
		
			
				|  |  | + * Concatenates compiled JavaScript files into one file in the correct order.
 | 
	
		
			
				|  |  | + * The name of the produced file is given by configuration.program.
 | 
	
		
			
				|  |  | + * Returns a Promise which resolves into the configuration object.
 | 
	
		
			
				|  |  | + */
 | 
	
		
			
				|  |  | +function compose_js_files(configuration) {
 | 
	
		
			
				|  |  | +	return new Promise(function(resolve, reject) {
 | 
	
		
			
				|  |  | +		var programFile = configuration.program;
 | 
	
		
			
				|  |  | +		if (undefined === programFile) {
 | 
	
		
			
				|  |  | +			resolve(configuration);
 | 
	
		
			
				|  |  | +			return;
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +		if (undefined !== configuration.output_dir) {
 | 
	
		
			
				|  |  | +			programFile = path.join(configuration.output_dir, programFile);
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		var program_files = [];
 | 
	
		
			
				|  |  | +		if (0 !== configuration.libraries.length) {
 | 
	
		
			
				|  |  | +			console.log('Collecting libraries: ' + configuration.libraries);
 | 
	
		
			
				|  |  | +			program_files.push.apply(program_files, configuration.libraries);
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		if (0 !== configuration.compiled.length) {
 | 
	
		
			
				|  |  | +			var compiledFiles = configuration.compiled.slice(0);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +			console.log('Collecting compiled files: ' + compiledFiles);
 | 
	
		
			
				|  |  | +			program_files.push.apply(program_files, compiledFiles);
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		console.ambercLog('Writing program file: %s.js', programFile);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		var fileStream = fs.createWriteStream(programFile + configuration.suffix_used + '.js');
 | 
	
		
			
				|  |  | +		fileStream.on('error', function(error) {
 | 
	
		
			
				|  |  | +			fileStream.end();
 | 
	
		
			
				|  |  | +			console.ambercLog(error);
 | 
	
		
			
				|  |  | +			reject(error);
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		fileStream.on('close', function(){
 | 
	
		
			
				|  |  | +			resolve(configuration);
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		var builder = createConcatenator();
 | 
	
		
			
				|  |  | +		builder.add('#!/usr/bin/env node');
 | 
	
		
			
				|  |  | +		builder.start();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		program_files.forEach(function(file) {
 | 
	
		
			
				|  |  | +			if(fs.existsSync(file)) {
 | 
	
		
			
				|  |  | +				console.log('Adding : ' + file);
 | 
	
		
			
				|  |  | +				var buffer = fs.readFileSync(file);
 | 
	
		
			
				|  |  | +				// matches and returns the "module_id" string in the AMD define: define("module_id", ...)
 | 
	
		
			
				|  |  | +				var match = buffer.toString().match(/^define\("([^"]*)"/);
 | 
	
		
			
				|  |  | +				if (match /*&& match[1].slice(0,9) !== "amber_vm/"*/) {
 | 
	
		
			
				|  |  | +					builder.addId(match[1]);
 | 
	
		
			
				|  |  | +				}
 | 
	
		
			
				|  |  | +				builder.add(buffer);
 | 
	
		
			
				|  |  | +			} else {
 | 
	
		
			
				|  |  | +				fileStream.end();
 | 
	
		
			
				|  |  | +				reject(Error('Can not find file ' + file));
 | 
	
		
			
				|  |  | +			}
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		var mainFunctionOrFile = '';
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		if (undefined !== configuration.main) {
 | 
	
		
			
				|  |  | +			console.log('Adding call to: %s>>main', configuration.main);
 | 
	
		
			
				|  |  | +			mainFunctionOrFile += 'globals.' + configuration.main + '._main();';
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		if (undefined !== configuration.mainfile && fs.existsSync(configuration.mainfile)) {
 | 
	
		
			
				|  |  | +			console.log('Adding main file: ' + configuration.mainfile);
 | 
	
		
			
				|  |  | +			mainFunctionOrFile += '\nvar smalltalk = vm; // backward compatibility\n' + fs.readFileSync(configuration.mainfile);
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		builder.finish(mainFunctionOrFile);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +		console.log('Writing...');
 | 
	
		
			
				|  |  | +		builder.forEach(function (element) {
 | 
	
		
			
				|  |  | +			fileStream.write(element);
 | 
	
		
			
				|  |  | +			fileStream.write('\n');
 | 
	
		
			
				|  |  | +		});
 | 
	
		
			
				|  |  | +		console.log('Done.');
 | 
	
		
			
				|  |  | +		fileStream.end();
 | 
	
		
			
				|  |  | +	});
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +module.exports.Compiler = AmberCompiler;
 | 
	
		
			
				|  |  | +module.exports.createDefaultConfiguration = createDefaultConfiguration;
 |