01: /***
02: * ASM Guide
03: * Copyright (c) 2007 Eric Bruneton
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. Neither the name of the copyright holders nor the names of its
15: * contributors may be used to endorse or promote products derived from
16: * this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28: * THE POSSIBILITY OF SUCH DAMAGE.
29: */package ch7.sec2;
30:
31: import static org.objectweb.asm.Opcodes.ACC_PUBLIC;
32: import static org.objectweb.asm.Opcodes.ALOAD;
33: import static org.objectweb.asm.Opcodes.CHECKCAST;
34: import static org.objectweb.asm.Opcodes.INVOKEVIRTUAL;
35: import static org.objectweb.asm.Opcodes.IRETURN;
36:
37: import java.util.List;
38:
39: import org.objectweb.asm.ClassVisitor;
40: import org.objectweb.asm.tree.ClassNode;
41: import org.objectweb.asm.tree.MethodNode;
42: import org.objectweb.asm.util.TraceMethodVisitor;
43:
44: /**
45: * ASM Guide example test class.
46: *
47: * @author Eric Bruneton
48: */
49: public class RemoveUnusedCastTransformerTest extends
50: RemoveUnusedCastAdapterTest {
51:
52: public void test() {
53: TraceMethodVisitor tmv = new TraceMethodVisitor(null);
54: MethodNode mn = new MethodNode(ACC_PUBLIC, "m",
55: "(Ljava/lang/Integer;)I", null, null);
56: mn.visitCode();
57: mn.visitVarInsn(ALOAD, 1);
58: mn.visitTypeInsn(CHECKCAST, "java/lang/Number");
59: mn.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Number",
60: "intValue", "()I");
61: mn.visitInsn(IRETURN);
62: mn.visitMaxs(1, 2);
63: mn.visitEnd();
64: new RemoveUnusedCastTransformer("C", null).transform(mn);
65: mn.accept(tmv);
66: checkMethod(tmv);
67: }
68:
69: @Override
70: protected ClassVisitor getClassAdapter(final ClassVisitor cv) {
71: return new ClassNode() {
72: @Override
73: public void visitEnd() {
74: for (MethodNode mn : (List<MethodNode>) methods) {
75: try {
76: new RemoveUnusedCastTransformer(name, null)
77: .transform(mn);
78: } catch (UnsatisfiedLinkError ignored) {
79: } catch (NoClassDefFoundError ignored) {
80: }
81: }
82: accept(cv);
83: }
84: };
85: }
86: }
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