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1 package com.sun.org.apache.bcel.internal.classfile;
2
3
56
57 import com.sun.org.apache.bcel.internal.Constants;
58 import java.io.*;
59
60
70 public final class StackMapEntry implements Cloneable  {
71 private int byte_code_offset;
72 private int number_of_locals;
73 private StackMapType[] types_of_locals;
74 private int number_of_stack_items;
75 private StackMapType[] types_of_stack_items;
76 private ConstantPool constant_pool;
77
78
83 StackMapEntry(DataInputStream file, ConstantPool constant_pool) throws IOException
84 {
85 this(file.readShort(), file.readShort(), null, -1, null, constant_pool);
86
87 types_of_locals = new StackMapType[number_of_locals];
88 for(int i=0; i < number_of_locals; i++)
89 types_of_locals[i] = new StackMapType(file, constant_pool);
90
91 number_of_stack_items = file.readShort();
92 types_of_stack_items = new StackMapType[number_of_stack_items];
93 for(int i=0; i < number_of_stack_items; i++)
94 types_of_stack_items[i] = new StackMapType(file, constant_pool);
95 }
96
97 public StackMapEntry(int byte_code_offset, int number_of_locals,
98 StackMapType[] types_of_locals,
99 int number_of_stack_items,
100 StackMapType[] types_of_stack_items,
101 ConstantPool constant_pool) {
102 this.byte_code_offset = byte_code_offset;
103 this.number_of_locals = number_of_locals;
104 this.types_of_locals = types_of_locals;
105 this.number_of_stack_items = number_of_stack_items;
106 this.types_of_stack_items = types_of_stack_items;
107 this.constant_pool = constant_pool;
108 }
109
110
116 public final void dump(DataOutputStream file) throws IOException
117 {
118 file.writeShort(byte_code_offset);
119
120 file.writeShort(number_of_locals);
121 for(int i=0; i < number_of_locals; i++)
122 types_of_locals[i].dump(file);
123
124 file.writeShort(number_of_stack_items);
125 for(int i=0; i < number_of_stack_items; i++)
126 types_of_stack_items[i].dump(file);
127 }
128
129
132 public final String toString() {
133 StringBuffer buf = new StringBuffer ("(offset=" + byte_code_offset);
134
135 if(number_of_locals > 0) {
136 buf.append(", locals={");
137
138 for(int i=0; i < number_of_locals; i++) {
139 buf.append(types_of_locals[i]);
140 if(i < number_of_locals - 1)
141 buf.append(", ");
142 }
143
144 buf.append("}");
145 }
146
147 if(number_of_stack_items > 0) {
148 buf.append(", stack items={");
149
150 for(int i=0; i < number_of_stack_items; i++) {
151 buf.append(types_of_stack_items[i]);
152 if(i < number_of_stack_items - 1)
153 buf.append(", ");
154 }
155
156 buf.append("}");
157 }
158
159 buf.append(")");
160
161 return buf.toString();
162 }
163
164
165 public void setByteCodeOffset(int b) { byte_code_offset = b; }
166 public int getByteCodeOffset() { return byte_code_offset; }
167 public void setNumberOfLocals(int n) { number_of_locals = n; }
168 public int getNumberOfLocals() { return number_of_locals; }
169 public void setTypesOfLocals(StackMapType[] t) { types_of_locals = t; }
170 public StackMapType[] getTypesOfLocals() { return types_of_locals; }
171 public void setNumberOfStackItems(int n) { number_of_stack_items = n; }
172 public int getNumberOfStackItems() { return number_of_stack_items; }
173 public void setTypesOfStackItems(StackMapType[] t) { types_of_stack_items = t; }
174 public StackMapType[] getTypesOfStackItems() { return types_of_stack_items; }
175
176
179 public StackMapEntry copy() {
180 try {
181 return (StackMapEntry)clone();
182 } catch(CloneNotSupportedException e) {}
183
184 return null;
185 }
186
187
194 public void accept(Visitor v) {
195 v.visitStackMapEntry(this);
196 }
197
198
201 public final ConstantPool getConstantPool() { return constant_pool; }
202
203
206 public final void setConstantPool(ConstantPool constant_pool) {
207 this.constant_pool = constant_pool;
208 }
209 }
210 |
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