/interpreter/tags/at2dist220411/src/edu/vub/at/objects/natives/grammar/AGExpression.java

 1/**
 2 * AmbientTalk/2 Project
 3 * AGExpression.java created on 31-jul-2006 at 15:28:56
 4 * (c) Programming Technology Lab, 2006 - 2007
 5 * Authors: Tom Van Cutsem & Stijn Mostinckx
 6 * 
 7 * Permission is hereby granted, free of charge, to any person
 8 * obtaining a copy of this software and associated documentation
 9 * files (the "Software"), to deal in the Software without
10 * restriction, including without limitation the rights to use,
11 * copy, modify, merge, publish, distribute, sublicense, and/or
12 * sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following
14 * conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
21 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 */
28package edu.vub.at.objects.natives.grammar;
29
30import edu.vub.at.exceptions.InterpreterException;
31import edu.vub.at.exceptions.XSerializationError;
32import edu.vub.at.objects.ATTable;
33import edu.vub.at.objects.coercion.NativeTypeTags;
34import edu.vub.at.objects.grammar.ATExpression;
35import edu.vub.at.objects.grammar.ATStatement;
36import edu.vub.at.objects.natives.NATTable;
37import edu.vub.at.objects.natives.NATText;
38import edu.vub.util.TempFieldGenerator;
39
40/**
41 * The common interface of all AGExpression abstract grammar elements.
42 * 
43 * @author tvcutsem
44 */
45public abstract class AGExpression extends NATAbstractGrammar implements ATExpression {
46	
47	public ATExpression asExpression() { return this; }
48
49    public ATTable meta_typeTags() throws InterpreterException {
50    	return NATTable.of(NativeTypeTags._EXPRESSION_, NativeTypeTags._ISOLATE_);
51    }
52
53    public NATText impl_asCode(TempFieldGenerator objectMap) throws InterpreterException {
54    	NATText code = this.impl_asUnquotedCode(objectMap);
55    	return NATText.atValue("`(" + code.javaValue + ")");
56    }
57    
58    public NATText impl_asUnquotedCode(TempFieldGenerator objectMap) throws InterpreterException {
59    	return this.impl_asCode(objectMap);
60    }
61	
62}