@Override
public void visitInsn(final int opcode) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 0);
super.visitInsn(opcode);
++insnCount;
}
@Override
public void visitVarInsn(final int opcode, final int var) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 2);
checkUnsignedShort(var, "Invalid variable index");
super.visitVarInsn(opcode, var);
++insnCount;
}
@Override
public void visitJumpInsn(final int opcode, final Label label) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 6);
checkLabel(label, false, "label");
checkNonDebugLabel(label);
super.visitJumpInsn(opcode, label);
usedLabels.add(label);
++insnCount;
}
@Override
public void visitFieldInsn(final int opcode, final String owner,
final String name, final String desc) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 4);
checkInternalName(owner, "owner");
checkUnqualifiedName(version, name, "name");
checkDesc(desc, false);
super.visitFieldInsn(opcode, owner, name, desc);
++insnCount;
}
@Override
public void visitTypeInsn(final int opcode, final String type) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 3);
checkInternalName(type, "type");
if (opcode == Opcodes.NEW && type.charAt(0) == '[') {
throw new IllegalArgumentException(
"NEW cannot be used to create arrays: " + type);
}
super.visitTypeInsn(opcode, type);
++insnCount;
}
@Override
public void visitMethodInsn(final int opcode, final String owner,
final String name, final String desc) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 5);
if (opcode != Opcodes.INVOKESPECIAL || !"<init>".equals(name)) {
checkMethodIdentifier(version, name, "name");
}
checkInternalName(owner, "owner");
checkMethodDesc(desc);
super.visitMethodInsn(opcode, owner, name, desc);
++insnCount;
}
@Override
public void visitIntInsn(final int opcode, final int operand) {
checkStartCode();
checkEndCode();
checkOpcode(opcode, 1);
switch (opcode) {
case Opcodes.BIPUSH:
checkSignedByte(operand, "Invalid operand");
break;
case Opcodes.SIPUSH:
checkSignedShort(operand, "Invalid operand");
break;
// case Constants.NEWARRAY:
default:
if (operand < Opcodes.T_BOOLEAN || operand > Opcodes.T_LONG) {
throw new IllegalArgumentException(
"Invalid operand (must be an array type code T_...): "
+ operand);
}
}
super.visitIntInsn(opcode, operand);
++insnCount;
}
