122 lines
3.7 KiB
JavaScript
122 lines
3.7 KiB
JavaScript
/**
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* Handles building of classes
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*
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* Copyright (C) 2010 Mike Gerwitz
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*
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* This file is part of ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Mike Gerwitz
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* @package core
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*/
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var util = require( __dirname + '/util' ),
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member_builder = require( __dirname + '/member_builder' )
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;
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exports.build = function(
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props, class_id, base, prop_init, abstract_methods, properties, members,
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getMethodInstance
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)
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{
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var hasOwn = Array.prototype.hasOwnProperty,
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defs = {};
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util.propParse( props, {
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each: function( name, value, keywords )
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{
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// disallow use of our internal __initProps() method
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if ( name === '__initProps' )
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{
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throw new Error(
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( ( cname ) ? cname + '::' : '' ) +
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"__initProps is a reserved method"
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);
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}
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// if a member was defined multiple times in the same class
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// declaration, throw an error
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if ( hasOwn.call( defs, name ) )
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{
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throw Error(
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"Cannot redefine method '" + name + "' in same declaration"
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);
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}
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// keep track of the definitions (only during class declaration)
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// to catch duplicates
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defs[ name ] = 1;
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},
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property: function( name, value, keywords )
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{
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properties[ name ] = value;
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// build a new property, passing in the other members to compare
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// against for preventing nonsensical overrides
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member_builder.buildProp(
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prop_init, null, name, value, keywords, base
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);
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},
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getter: function( name, value, keywords )
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{
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member_builder.buildGetter(
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members, null, name, value, keywords
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);
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},
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setter: function( name, value, keywords )
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{
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member_builder.buildSetter(
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members, null, name, value, keywords
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);
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},
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method: function( name, func, is_abstract, keywords )
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{
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// constructor check
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if ( name === '__construct' )
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{
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if ( keywords[ 'protected' ] || keywords[ 'private' ] )
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{
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throw TypeError( "Constructor must be public" );
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}
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}
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member_builder.buildMethod(
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members, null, name, func, keywords, getMethodInstance,
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class_id, base
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);
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if ( is_abstract )
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{
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abstract_methods[ name ] = true;
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abstract_methods.__length++;
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}
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else if ( ( hasOwn.call( abstract_methods, name ) )
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&& ( is_abstract === false )
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)
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{
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// if this was a concrete method, then it should no longer
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// be marked as abstract
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delete abstract_methods[ name ];
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abstract_methods.__length--;
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}
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},
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} );
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};
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