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1
46 package org.codehaus.groovy.ast.expr;
47
48 import java.util.Collections  ;
49 import java.util.Iterator ;
50 import java.util.List ;
51
52 import org.codehaus.groovy.ast.GroovyCodeVisitor;
53 import org.codehaus.groovy.classgen.BytecodeHelper;
54 import org.codehaus.groovy.classgen.AsmClassGenerator2;
55
56
63 public class ArrayExpression extends Expression {
64 private List expressions;
65 private Expression sizeExpression;
66
67 private String elementType;
68
71 public ArrayExpression(String type, List expressions) {
72 String boxedType = BytecodeHelper.getObjectTypeForPrimitive(type);
74 this.elementType = boxedType;
75 setSuperType(boxedType);
76 this.expressions = expressions;
77
78 for (Iterator iter = expressions.iterator(); iter.hasNext();) {
79 Object item = iter.next();
80 if (!(item instanceof Expression)) {
81 throw new ClassCastException ("Item: " + item + " is not an Expression");
82 }
83 }
84 }
85
86 private void setSuperType(String type) {
87 if (type == null) System.out.println("setSuperType: null");
88 if (type.endsWith("[]")) {
89 }
90 else {
91 type += "[]";
92 }
93 super.setType(type); }
95
96
99 public ArrayExpression(String type, Expression sizeExpression) {
100 String boxedType = BytecodeHelper.getObjectTypeForPrimitive(type);
101 this.elementType = boxedType;
102 setSuperType(boxedType);
103 this.sizeExpression = sizeExpression;
104 this.expressions = Collections.EMPTY_LIST;
105 }
106
107 public void addExpression(Expression expression) {
108 expressions.add(expression);
109 }
110
111 public List getExpressions() {
112 return expressions;
113 }
114
115 public void visit(GroovyCodeVisitor visitor) {
116 visitor.visitArrayExpression(this);
117 }
118
119 public boolean isDynamic() {
120 return false;
121 }
122
123 public Expression transformExpression(ExpressionTransformer transformer) {
124 return new ArrayExpression(type, transformExpressions(expressions, transformer));
125 }
126
127 public Expression getExpression(int i) {
128 Object object = expressions.get(i);
129 return (Expression) object;
130 }
131
132 public String getElementType() {
133 if (BytecodeHelper.isPrimitiveType(elementType)) {
134 return BytecodeHelper.getObjectTypeForPrimitive(elementType);
135 }
136 return elementType;
137 }
138
139 public String getText() {
140 StringBuffer buffer = new StringBuffer ("[");
141 boolean first = true;
142 for (Iterator iter = expressions.iterator(); iter.hasNext();) {
143 if (first) {
144 first = false;
145 }
146 else {
147 buffer.append(", ");
148 }
149
150 buffer.append(((Expression) iter.next()).getText());
151 }
152 buffer.append("]");
153 return buffer.toString();
154 }
155
156 public Expression getSizeExpression() {
157 return sizeExpression;
158 }
159
160 public String toString() {
161 return super.toString() + expressions;
162 }
163
164 protected void resolveType(AsmClassGenerator2 resolver) {
165 }
167 }
168 |
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