Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: 18a8814bd966adcb1344b2ca84a1fe8337699f74 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * IBM Rational Software - Initial API and implementation
 * Yuan Zhang / Beth Tibbitts (IBM Research)
 *******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.c;

import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTConditionalExpression;
import org.eclipse.cdt.core.dom.ast.IASTExpression;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.internal.core.dom.parser.IASTAmbiguityParent;

/**
 * @author jcamelon
 */
public class CASTConditionalExpression extends CASTNode implements
        IASTConditionalExpression, IASTAmbiguityParent {

    private IASTExpression condition;
    private IASTExpression negative;
    private IASTExpression positive;

    public CASTConditionalExpression() {
	}

	public CASTConditionalExpression(IASTExpression condition, 
			IASTExpression positive, IASTExpression negative) {
		setLogicalConditionExpression(condition);
		setPositiveResultExpression(positive);
		setNegativeResultExpression(negative);
	}

	public IASTExpression getLogicalConditionExpression() {
        return condition;
    }

    public void setLogicalConditionExpression(IASTExpression expression) {
        condition = expression;
        if (expression != null) {
			expression.setParent(this);
			expression.setPropertyInParent(LOGICAL_CONDITION);
		}
    }

    public IASTExpression getPositiveResultExpression() {
        return positive;
    }

    public void setPositiveResultExpression(IASTExpression expression) {
        this.positive = expression;
        if (expression != null) {
			expression.setParent(this);
			expression.setPropertyInParent(POSITIVE_RESULT);
		}
    }

    public IASTExpression getNegativeResultExpression() {
        return negative;
    }

    public void setNegativeResultExpression(IASTExpression expression) {
        this.negative = expression;
        if (expression != null) {
			expression.setParent(this);
			expression.setPropertyInParent(NEGATIVE_RESULT);
		}
    }

    @Override
	public boolean accept( ASTVisitor action ){
        if( action.shouldVisitExpressions ){
		    switch( action.visit( this ) ){
	            case ASTVisitor.PROCESS_ABORT : return false;
	            case ASTVisitor.PROCESS_SKIP  : return true;
	            default : break;
	        }
		}
        
        if( condition != null ) if( !condition.accept( action ) ) return false;
        if( positive != null ) if( !positive.accept( action ) ) return false;
        if( negative != null ) if( !negative.accept( action ) ) return false;
        if( action.shouldVisitExpressions ){
        	switch( action.leave( this ) ){
        		case ASTVisitor.PROCESS_ABORT : return false;
        		case ASTVisitor.PROCESS_SKIP  : return true;
        		default : break;
        	}
        }
        return true;
    }
    
    public void replace(IASTNode child, IASTNode other) {
        if( child == condition )
        {
            other.setPropertyInParent( child.getPropertyInParent() );
            other.setParent( child.getParent() );
            condition = (IASTExpression) other;
        }
        if( child == positive)
        {
            other.setPropertyInParent( child.getPropertyInParent() );
            other.setParent( child.getParent() );
            positive= (IASTExpression) other;
        }
        if( child == negative)
        {
            other.setPropertyInParent( child.getPropertyInParent() );
            other.setParent( child.getParent() );
            negative= (IASTExpression) other;
        }
    }
    
    public IType getExpressionType() {
    	return CVisitor.getExpressionType(this);
    }
    
}

Back to the top