9 * (the "License"); you may not use this file except in compliance with
10 * the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 package com.sun.org.apache.bcel.internal.generic;
22
23 /**
24 * LDC2_W - Push long or double from constant pool
25 *
26 * <PRE>Stack: ... -> ..., item.word1, item.word2</PRE>
27 *
28 * @version $Id: LDC2_W.java 1749603 2016-06-21 20:50:19Z ggregory $
29 */
30 public class LDC2_W extends CPInstruction implements PushInstruction {
31
32 /**
33 * Empty constructor needed for the Class.newInstance() statement in
34 * Instruction.readInstruction(). Not to be used otherwise.
35 */
36 LDC2_W() {
37 }
38
39
40 public LDC2_W(final int index) {
41 super(com.sun.org.apache.bcel.internal.Const.LDC2_W, index);
42 }
43
44
45 @Override
46 public Type getType( final ConstantPoolGen cpg ) {
47 switch (cpg.getConstantPool().getConstant(super.getIndex()).getTag()) {
48 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Long:
49 return Type.LONG;
50 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Double:
51 return Type.DOUBLE;
52 default: // Never reached
53 throw new RuntimeException("Unknown constant type " + super.getOpcode());
54 }
55 }
56
57
58 public Number getValue( final ConstantPoolGen cpg ) {
59 final com.sun.org.apache.bcel.internal.classfile.Constant c = cpg.getConstantPool().getConstant(super.getIndex());
60 switch (c.getTag()) {
61 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Long:
62 return Long.valueOf(((com.sun.org.apache.bcel.internal.classfile.ConstantLong) c).getBytes());
63 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Double:
64 return new Double(((com.sun.org.apache.bcel.internal.classfile.ConstantDouble) c).getBytes());
65 default: // Never reached
66 throw new RuntimeException("Unknown or invalid constant type at " + super.getIndex());
67 }
68 }
69
70
71 /**
72 * Call corresponding visitor method(s). The order is:
73 * Call visitor methods of implemented interfaces first, then
74 * call methods according to the class hierarchy in descending order,
75 * i.e., the most specific visitXXX() call comes last.
76 *
77 * @param v Visitor object
78 */
79 @Override
80 public void accept( final Visitor v ) {
81 v.visitStackProducer(this);
82 v.visitPushInstruction(this);
83 v.visitTypedInstruction(this);
84 v.visitCPInstruction(this);
|
9 * (the "License"); you may not use this file except in compliance with
10 * the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 package com.sun.org.apache.bcel.internal.generic;
22
23 /**
24 * LDC2_W - Push long or double from constant pool
25 *
26 * <PRE>Stack: ... -> ..., item.word1, item.word2</PRE>
27 *
28 * @version $Id: LDC2_W.java 1749603 2016-06-21 20:50:19Z ggregory $
29 * @LastModified: Nov 2017
30 */
31 public class LDC2_W extends CPInstruction implements PushInstruction {
32
33 /**
34 * Empty constructor needed for the Class.newInstance() statement in
35 * Instruction.readInstruction(). Not to be used otherwise.
36 */
37 LDC2_W() {
38 }
39
40
41 public LDC2_W(final int index) {
42 super(com.sun.org.apache.bcel.internal.Const.LDC2_W, index);
43 }
44
45
46 @Override
47 public Type getType( final ConstantPoolGen cpg ) {
48 switch (cpg.getConstantPool().getConstant(super.getIndex()).getTag()) {
49 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Long:
50 return Type.LONG;
51 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Double:
52 return Type.DOUBLE;
53 default: // Never reached
54 throw new RuntimeException("Unknown constant type " + super.getOpcode());
55 }
56 }
57
58
59 public Number getValue( final ConstantPoolGen cpg ) {
60 final com.sun.org.apache.bcel.internal.classfile.Constant c = cpg.getConstantPool().getConstant(super.getIndex());
61 switch (c.getTag()) {
62 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Long:
63 return ((com.sun.org.apache.bcel.internal.classfile.ConstantLong) c).getBytes();
64 case com.sun.org.apache.bcel.internal.Const.CONSTANT_Double:
65 return ((com.sun.org.apache.bcel.internal.classfile.ConstantDouble) c).getBytes();
66 default: // Never reached
67 throw new RuntimeException("Unknown or invalid constant type at " + super.getIndex());
68 }
69 }
70
71
72 /**
73 * Call corresponding visitor method(s). The order is:
74 * Call visitor methods of implemented interfaces first, then
75 * call methods according to the class hierarchy in descending order,
76 * i.e., the most specific visitXXX() call comes last.
77 *
78 * @param v Visitor object
79 */
80 @Override
81 public void accept( final Visitor v ) {
82 v.visitStackProducer(this);
83 v.visitPushInstruction(this);
84 v.visitTypedInstruction(this);
85 v.visitCPInstruction(this);
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