本文整理匯總了Java中org.objectweb.asm.Opcodes.INSTANCEOF屬性的典型用法代碼示例。如果您正苦於以下問題:Java Opcodes.INSTANCEOF屬性的具體用法?Java Opcodes.INSTANCEOF怎麽用?Java Opcodes.INSTANCEOF使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類org.objectweb.asm.Opcodes
的用法示例。
在下文中一共展示了Opcodes.INSTANCEOF屬性的4個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: visitTypeInsn
@Override
public void visitTypeInsn(final int opcode, final String type) {
Type t = Type.getObjectType(type);
switch (opcode) {
case Opcodes.NEW:
anew(t);
break;
case Opcodes.ANEWARRAY:
newarray(t);
break;
case Opcodes.CHECKCAST:
checkcast(t);
break;
case Opcodes.INSTANCEOF:
instanceOf(t);
break;
default:
throw new IllegalArgumentException();
}
}
示例2: updateState
private void updateState(TypeInsnNode insn) {
Type type = Type.getObjectType(insn.desc);
switch (insn.getOpcode()) {
case Opcodes.NEW: {
state.push(type);
break;
}
case Opcodes.ANEWARRAY: {
Type arrayType = makeArrayType(type);
state.pop();
state.push(arrayType);
break;
}
case Opcodes.CHECKCAST: {
// Pop the top value and push it back on with the checked type.
state.pop(type);
state.push(type);
break;
}
case Opcodes.INSTANCEOF: {
state.pop(JarState.REFERENCE_TYPE);
state.push(Type.INT_TYPE);
break;
}
default:
throw new Unreachable("Unexpected TypeInsn opcode: " + insn.getOpcode());
}
}
示例3: visitTypeInsn
/**
* Imports instructions with a single type operand (allocation of reference
* arrays, allocation of objects, casting and type checks).
*
* @param opcode Opcode.
* @param descriptor String descriptor of the type operand.
*/
@Override
public void visitTypeInsn(final int opcode, final String descriptor) {
Type type = Type.getObjectType(descriptor);
switch(opcode) {
// News
case Opcodes.ANEWARRAY: ordered.add(stack.push(new NewArray(type, stack.pop()))); break;
case Opcodes.NEW: ordered.add(stack.push(new NewObject(type))); break;
// Type Checks
case Opcodes.CHECKCAST: ordered.add(stack.push(new CheckCast(stack.pop(), type))); break;
case Opcodes.INSTANCEOF:ordered.add(stack.push(new InstanceOf(stack.pop(), type)));break;
}
}
示例4: canThrow
private boolean canThrow(AbstractInsnNode insn) {
switch (insn.getOpcode()) {
case Opcodes.AALOAD:
case Opcodes.AASTORE:
case Opcodes.ANEWARRAY:
// ARETURN does not throw in its dex image.
case Opcodes.ARRAYLENGTH:
case Opcodes.ATHROW:
case Opcodes.BALOAD:
case Opcodes.BASTORE:
case Opcodes.CALOAD:
case Opcodes.CASTORE:
case Opcodes.CHECKCAST:
case Opcodes.DALOAD:
case Opcodes.DASTORE:
// DRETURN does not throw in its dex image.
case Opcodes.FALOAD:
case Opcodes.FASTORE:
// FRETURN does not throw in its dex image.
case Opcodes.GETFIELD:
case Opcodes.GETSTATIC:
case Opcodes.IALOAD:
case Opcodes.IASTORE:
case Opcodes.IDIV:
case Opcodes.INSTANCEOF:
case Opcodes.INVOKEDYNAMIC:
case Opcodes.INVOKEINTERFACE:
case Opcodes.INVOKESPECIAL:
case Opcodes.INVOKESTATIC:
case Opcodes.INVOKEVIRTUAL:
case Opcodes.IREM:
// IRETURN does not throw in its dex image.
case Opcodes.LALOAD:
case Opcodes.LASTORE:
case Opcodes.LDIV:
case Opcodes.LREM:
// LRETURN does not throw in its dex image.
case Opcodes.MONITORENTER:
case Opcodes.MONITOREXIT:
case Opcodes.MULTIANEWARRAY:
case Opcodes.NEW:
case Opcodes.NEWARRAY:
case Opcodes.PUTFIELD:
case Opcodes.PUTSTATIC:
// RETURN does not throw in its dex image.
case Opcodes.SALOAD:
case Opcodes.SASTORE:
return true;
case Opcodes.LDC: {
// const-class and const-string* may throw in dex.
LdcInsnNode ldc = (LdcInsnNode) insn;
return ldc.cst instanceof String || ldc.cst instanceof Type;
}
default:
return false;
}
}