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1
4 package com.tc.object.bytecode;
5
6
7 import com.tc.asm.ClassVisitor;
8 import com.tc.asm.Label;
9 import com.tc.asm.MethodAdapter;
10 import com.tc.asm.MethodVisitor;
11 import com.tc.asm.Opcodes;
12
13 public class THashMapAdapter {
14
15 public static class TransformValuesAdapter extends AbstractMethodAdapter {
16 private final static String  STATIC_EXECUTE_DESC = "(Lgnu/trove/TObjectFunction;Ljava/lang/Object;Lgnu/trove/THashMap;Ljava/lang/Object;)Ljava/lang/Object;";
17
18 public MethodVisitor adapt(ClassVisitor classVisitor) {
19 addStaticExecuteMethod(classVisitor);
20 MethodVisitor mv = visitOriginal(classVisitor);
21 return new Adapter(mv);
22 }
23
24 private void addStaticExecuteMethod(ClassVisitor cv) {
25 MethodVisitor mv = cv.visitMethod(ACC_PRIVATE + ACC_STATIC + ACC_SYNTHETIC, "execute", STATIC_EXECUTE_DESC, null, null);
26 mv.visitCode();
27 Label l0 = new Label();
28 mv.visitLabel(l0);
29 mv.visitLineNumber(468, l0);
30 mv.visitVarInsn(ALOAD, 0);
31 mv.visitVarInsn(ALOAD, 1);
32 mv.visitMethodInsn(INVOKEINTERFACE, "gnu/trove/TObjectFunction", "execute", "(Ljava/lang/Object;)Ljava/lang/Object;");
33 mv.visitVarInsn(ASTORE, 4);
34 Label l1 = new Label();
35 mv.visitLabel(l1);
36 mv.visitLineNumber(469, l1);
37 mv.visitVarInsn(ALOAD, 4);
38 mv.visitVarInsn(ALOAD, 1);
39 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z");
40 Label l2 = new Label();
41 mv.visitJumpInsn(IFNE, l2);
42 Label l3 = new Label();
43 mv.visitLabel(l3);
44 mv.visitLineNumber(470, l3);
45 mv.visitVarInsn(ALOAD, 2);
46 mv.visitLdcInsn("put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
47 mv.visitInsn(ICONST_2);
48 mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");
49 mv.visitInsn(DUP);
50 mv.visitInsn(ICONST_0);
51 mv.visitVarInsn(ALOAD, 3);
52 mv.visitInsn(AASTORE);
53 mv.visitInsn(DUP);
54 mv.visitInsn(ICONST_1);
55 mv.visitVarInsn(ALOAD, 4);
56 mv.visitInsn(AASTORE);
57 mv.visitMethodInsn(INVOKESTATIC, "com/tc/object/bytecode/ManagerUtil", "logicalInvoke", "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;)V");
58 mv.visitLabel(l2);
59 mv.visitLineNumber(472, l2);
60 mv.visitVarInsn(ALOAD, 4);
61 mv.visitInsn(ARETURN);
62 Label l4 = new Label();
63 mv.visitLabel(l4);
64 mv.visitMaxs(0, 0);
65 mv.visitEnd();
66 }
67
68 public boolean doesOriginalNeedAdapting() {
69 return false;
70 }
71
72 private static class Adapter extends MethodAdapter implements Opcodes {
73
74 public Adapter(MethodVisitor mv) {
75 super(mv);
76 }
77
78 public void visitCode() {
79 super.visitCode();
80 ByteCodeUtil.pushThis(mv);
81 mv.visitMethodInsn(INVOKEVIRTUAL, "gnu/trove/THashMap", "__tc_managed", "()Lcom/tc/object/TCObject;");
82 Label l1 = new Label();
83 mv.visitJumpInsn(IFNULL, l1);
84 ByteCodeUtil.pushThis(mv);
85 mv.visitMethodInsn(INVOKESTATIC, "com/tc/object/bytecode/ManagerUtil", "checkWriteAccess", "(Ljava/lang/Object;)V");
86 mv.visitLabel(l1);
87 }
88
89 public void visitMethodInsn(int opcode, String owner, String name, String desc) {
90 if ((opcode == INVOKEINTERFACE) && "gnu/trove/TObjectFunction".equals(owner) && "execute".equals(name) &&
91 "(Ljava/lang/Object;)Ljava/lang/Object;".equals(desc)) {
92 mv.visitVarInsn(ALOAD, 0);
93 mv.visitVarInsn(ALOAD, 3);
94 mv.visitVarInsn(ILOAD, 4);
95 mv.visitInsn(AALOAD);
96 opcode = INVOKESTATIC;
97 owner = "gnu/trove/THashMap";
98 desc = STATIC_EXECUTE_DESC;
99 }
100 super.visitMethodInsn(opcode, owner, name, desc);
101 }
102 }
103 }
104
105 }
106 |
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