@Override
public void visitInsn(int opcode) {
if ((opcode >= IRETURN && opcode <= RETURN)) {
int lvPosReturn;
switch (returnType.getSort()) {
case Type.ARRAY:
if (returnType.getElementType().getSort() == Type.INT) {
lvPosReturn = newLocal(returnType);
mv.visitVarInsn(Opcodes.ASTORE, lvPosReturn);
mv.visitVarInsn(Opcodes.ALOAD, lvPosReturn);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(
GETFIELD,
owner,
TraceSQL.CURRENT_TRACESQL_FIELD,
"Lscouter/agent/batch/trace/TraceSQL;");
mv.visitVarInsn(Opcodes.ALOAD, lvPosReturn);
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TRACESQL, ADDS_METHOD, ADDS_SIGNATURE, false);
}
break;
case Type.INT:
lvPosReturn = newLocal(returnType);
mv.visitVarInsn(Opcodes.ISTORE, lvPosReturn);
mv.visitVarInsn(Opcodes.ILOAD, lvPosReturn);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(
GETFIELD,
owner,
TraceSQL.CURRENT_TRACESQL_FIELD,
"Lscouter/agent/batch/trace/TraceSQL;");
mv.visitVarInsn(Opcodes.ILOAD, lvPosReturn);
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TRACESQL, ADD_METHOD, ADD_SIGNATURE, false);
break;
/* case Type.BOOLEAN:
lvPosReturn = newLocal(returnType);
mv.visitVarInsn(Opcodes.ISTORE, lvPosReturn);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(GETFIELD, owner, TraceSQL.CURRENT_TRACESQL_FIELD, "Lscouter/agent/batch/trace/TraceSQL;");
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, STATMENT, GETUPDATECOUNT_METHOD, GETUPDATECOUNT_SIGNATURE,false);
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TRACESQL, ADD_METHOD, ADD_SIGNATURE,false);
mv.visitVarInsn(Opcodes.ILOAD, lvPosReturn);
break;*/
}
// Return 결과 셋팅
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(
GETFIELD, owner, TraceSQL.CURRENT_TRACESQL_FIELD, "Lscouter/agent/batch/trace/TraceSQL;");
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TRACESQL, END_METHOD, END_SIGNATURE, false);
}
mv.visitInsn(opcode);
}
public InitialContextMV(
int access,
String desc,
MethodVisitor mv,
String classname,
String methodname,
String methoddesc) {
super(ASM4, access, desc, mv);
this.returnType = Type.getReturnType(desc);
}
@Override
public void visitCode() {
AsmUtil.PUSH(mv, fullname_hash);
mv.visitLdcInsn(fullname);
mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, START_METHOD, START_SIGNATURE, false);
statIdx = newLocal(Type.getType(Object.class));
mv.visitVarInsn(Opcodes.ASTORE, statIdx);
mv.visitLabel(startFinally);
mv.visitCode();
}
@Override
public void visitCode() {
AsmUtil.PUSH(mv, methodName);
boolean flag = false;
int sidx = isStatic ? 0 : 1;
for (int i = 0; i < paramTypes.length; i++) {
Type tp = paramTypes[i];
if ("java/lang/String".equals(tp.getInternalName())) {
mv.visitVarInsn(Opcodes.ALOAD, sidx);
flag = true;
break;
}
sidx += tp.getSize();
}
if (flag == false) {
AsmUtil.PUSH(mv, "");
}
mv.visitMethodInsn(Opcodes.INVOKESTATIC, CLASS, METHOD, SIGNATURE, false);
super.visitCode();
}
@Override
public void visitMaxs(int maxStack, int maxLocals) {
Label endFinally = new Label();
mv.visitTryCatchBlock(startFinally, endFinally, endFinally, null);
mv.visitLabel(endFinally);
mv.visitInsn(DUP);
int errIdx = newLocal(Type.getType(Throwable.class));
mv.visitVarInsn(Opcodes.ASTORE, errIdx);
mv.visitVarInsn(Opcodes.ALOAD, statIdx);
mv.visitVarInsn(Opcodes.ALOAD, errIdx);
mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, END_METHOD, END_SIGNATURE, false);
mv.visitInsn(ATHROW);
mv.visitMaxs(maxStack + 8, maxLocals + 2);
}
@Override
public void visitMaxs(int maxStack, int maxLocals) {
Label endFinally = new Label();
mv.visitTryCatchBlock(startFinally, endFinally, endFinally, null);
mv.visitLabel(endFinally);
mv.visitVarInsn(ALOAD, 0);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(
GETFIELD, owner, TraceSQL.CURRENT_TRACESQL_FIELD, "Lscouter/agent/batch/trace/TraceSQL;");
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TRACESQL, END_METHOD, END_SIGNATURE, false);
int errIdx = newLocal(Type.getType(Throwable.class));
mv.visitVarInsn(Opcodes.ASTORE, errIdx);
mv.visitInsn(ATHROW);
mv.visitMaxs(maxStack + 8, maxLocals + 2);
}
@Override
public MethodVisitor visitMethod(
int access, String methodName, String desc, String signature, String[] exceptions) {
MethodVisitor mv = super.visitMethod(access, methodName, desc, signature, exceptions);
if (mv == null) {
return mv;
}
if (SqlMapASM.targetMethod.contains(methodName) == false) {
return mv;
}
return new SqlMapMV(
access,
desc,
mv,
Type.getArgumentTypes(desc),
(access & ACC_STATIC) != 0,
className,
methodName,
desc);
}
public PsExecuteMV(int access, String desc, MethodVisitor mv, String owner, String name) {
super(ASM4, access, desc, mv);
this.owner = owner;
this.returnType = Type.getReturnType(desc);
}
public static void main(String[] args) {
Type type = Type.getReturnType("(Z)[I");
System.out.println("type = " + type.getSort());
System.out.println("dim = " + type.getDimensions());
System.out.println("element = " + type.getElementType());
}