org.objectweb.asm.Opcodes# INSTANCEOF 源码实例Demo

下面列出了org.objectweb.asm.Opcodes# INSTANCEOF 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： Concurnas 文件： InstructionAdapter.java


@Override
public void visitTypeInsn(final int opcode, final String type) {
  Type objectType = Type.getObjectType(type);
  switch (opcode) {
    case Opcodes.NEW:
      anew(objectType);
      break;
    case Opcodes.ANEWARRAY:
      newarray(objectType);
      break;
    case Opcodes.CHECKCAST:
      checkcast(objectType);
      break;
    case Opcodes.INSTANCEOF:
      instanceOf(objectType);
      break;
    default:
      throw new IllegalArgumentException();
  }
}

源代码2 项目： zelixkiller 文件： StackHelper.java


public InsnValue casting(TypeInsnNode tin, InsnValue value) {
	switch (tin.getOpcode()) {
	case Opcodes.CHECKCAST:
		return value;
	case Opcodes.INSTANCEOF:
		if (value.getValue() == null) {
			return InsnValue.intValue(0);
		}
		Class<?> clazz = value.getValue().getClass();
		try {
			Class<?> compared = Class.forName(Type.getType(tin.desc).getClassName());
			return InsnValue.intValue(clazz.isAssignableFrom(compared));
		} catch (ClassNotFoundException e) {
		}
		return InsnValue.intValue(0);
	}

	return null;
}

源代码3 项目： JByteMod-Beta 文件： InstructionAdapter.java


@Override
public void visitTypeInsn(final int opcode, final String type) {
  Type objectType = Type.getObjectType(type);
  switch (opcode) {
    case Opcodes.NEW:
      anew(objectType);
      break;
    case Opcodes.ANEWARRAY:
      newarray(objectType);
      break;
    case Opcodes.CHECKCAST:
      checkcast(objectType);
      break;
    case Opcodes.INSTANCEOF:
      instanceOf(objectType);
      break;
    default:
      throw new IllegalArgumentException();
  }
}

源代码4 项目： JReFrameworker 文件： InstructionAdapter.java


@Override
public void visitTypeInsn(final int opcode, final String type) {
  Type objectType = Type.getObjectType(type);
  switch (opcode) {
    case Opcodes.NEW:
      anew(objectType);
      break;
    case Opcodes.ANEWARRAY:
      newarray(objectType);
      break;
    case Opcodes.CHECKCAST:
      checkcast(objectType);
      break;
    case Opcodes.INSTANCEOF:
      instanceOf(objectType);
      break;
    default:
      throw new IllegalArgumentException();
  }
}

源代码5 项目： JReFrameworker 文件： InstructionAdapter.java


@Override
public void visitTypeInsn(final int opcode, final String type) {
  Type objectType = Type.getObjectType(type);
  switch (opcode) {
    case Opcodes.NEW:
      anew(objectType);
      break;
    case Opcodes.ANEWARRAY:
      newarray(objectType);
      break;
    case Opcodes.CHECKCAST:
      checkcast(objectType);
      break;
    case Opcodes.INSTANCEOF:
      instanceOf(objectType);
      break;
    default:
      throw new IllegalArgumentException();
  }
}

源代码6 项目： bazel 文件： BytecodeTypeInference.java


@Override
public void visitTypeInsn(int opcode, String type) {
  String descriptor = convertToDescriptor(type);
  switch (opcode) {
    case Opcodes.NEW:
      // This should be UNINITIALIZED(label). Okay for type inference.
      pushDescriptor(descriptor);
      break;
    case Opcodes.ANEWARRAY:
      pop();
      pushDescriptor('[' + descriptor);
      break;
    case Opcodes.CHECKCAST:
      pop();
      pushDescriptor(descriptor);
      break;
    case Opcodes.INSTANCEOF:
      pop();
      push(InferredType.INT);
      break;
    default:
      throw new RuntimeException("Unhandled opcode " + opcode);
  }
  super.visitTypeInsn(opcode, type);
}

源代码7 项目： serianalyzer 文件： JVMImpl.java


/**
 * @param opcode
 * @param type
 * @param s
 */
static void handleJVMTypeInsn ( int opcode, String type, JVMStackState s ) {
    BaseType o;
    switch ( opcode ) {
    case Opcodes.NEW:
        s.push(new ObjectReferenceConstant(false, Type.getObjectType(type), type.replace('/', '.')));
        break;
    case Opcodes.ANEWARRAY:
        s.pop();
        if ( type.charAt(0) == '[' ) {
            s.push(new BasicVariable(Type.getObjectType("[" + type), "array", false)); //$NON-NLS-1$//$NON-NLS-2$
        }
        else {
            s.push(new BasicVariable(Type.getObjectType("[L" + type + ";"), "array", false)); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
        }
        break;
    case Opcodes.CHECKCAST:
        if ( log.isDebugEnabled() ) {
            log.debug("Checkcast " + type); //$NON-NLS-1$
        }
        o = s.pop();
        if ( o != null ) {
            o.addAlternativeType(Type.getObjectType(type));
            s.push(o);
        }
        else {
            s.clear();
        }
        break;
    case Opcodes.INSTANCEOF:
        o = s.pop();
        if ( o != null ) {
            o.addAlternativeType(Type.getObjectType(type));
        }
        s.push(new BasicConstant(Type.BOOLEAN_TYPE, "typeof " + o + " = " + type, ! ( o != null ) || o.isTainted())); //$NON-NLS-1$ //$NON-NLS-2$
        break;
    }
}

源代码8 项目： Mixin 文件： ModifyConstantInjector.java


private void injectTypeConstantModifier(Target target, TypeInsnNode typeNode) {
    int opcode = typeNode.getOpcode();
    if (opcode != Opcodes.INSTANCEOF) {
        throw new InvalidInjectionException(this.info, String.format("%s annotation does not support %s insn in %s in %s",
                this.annotationType, Bytecode.getOpcodeName(opcode), target, this));
    }
    this.injectAtInstanceOf(target, typeNode);
}

源代码9 项目： deobfuscator 文件： InstanceofFrame.java


public InstanceofFrame(Frame check) {
    super(Opcodes.INSTANCEOF);
    this.check = check;
    this.check.children.add(this);
}

源代码10 项目： CodenameOne 文件： TypeInstruction.java


@Override
public void appendInstruction(StringBuilder b, List<Instruction> l) {
    type = type.replace('.', '_').replace('/', '_').replace('$', '_');
    b.append("    ");
    switch(opcode) {
        case Opcodes.NEW:
            b.append("PUSH_POINTER(__NEW_");
            b.append(type);
            b.append("(threadStateData)); /* NEW */\n");
            break;
        case Opcodes.ANEWARRAY:
            if(type.startsWith("[")) {
                int dim = 2;
                String t = type.substring(1);
                while(t.startsWith("[")) {
                    t = t.substring(1);
                    dim++;
                }
                
                b.append(" SP--;\n    PUSH_POINTER(allocArray(threadStateData, (*SP).data.i, &class_array");
                b.append(dim);
                b.append("__");
                b.append(actualType);
                b.append(", sizeof(JAVA_OBJECT), ");
                b.append(dim);
                b.append("));\n    SP[-1].data.o->__codenameOneParentClsReference = &class_array");
                b.append(dim);
                b.append("__");
                b.append(actualType);
                b.append("; /* ANEWARRAY multi */\n");
                break;
            }
            b.append("SP--;\n    PUSH_POINTER(__NEW_ARRAY_");
            b.append(actualType);
            b.append("(threadStateData, SP[0].data.i));\n");
            break;
        case Opcodes.CHECKCAST:
            b.append("BC_CHECKCAST(");
            b.append(type);
            b.append(");\n");
            break;
        case Opcodes.INSTANCEOF:
            int pos = type.indexOf('[');
            if(pos > -1) {
                int count = 1;
                while(type.charAt(pos + 1) == '[') {
                    count++;
                    pos++;
                }
                b.append("BC_INSTANCEOF(cn1_array_");
                b.append(count);
                b.append("_id_");
                b.append(actualType);
            } else {
                b.append("BC_INSTANCEOF(cn1_class_id_");
                b.append(actualType);
            }
            b.append(");\n");
            break;
    }
}

源代码11 项目： Mixin 文件： RedirectInjector.java


@Override
protected void inject(Target target, InjectionNode node) {
    if (!this.preInject(node)) {
        return;
    }
        
    if (node.isReplaced()) {
        throw new UnsupportedOperationException("Redirector target failure for " + this.info);
    }
    
    if (node.getCurrentTarget() instanceof MethodInsnNode) {
        this.checkTargetForNode(target, node, RestrictTargetLevel.ALLOW_ALL);
        this.injectAtInvoke(target, node);
        return;
    }
    
    if (node.getCurrentTarget() instanceof FieldInsnNode) {
        this.checkTargetForNode(target, node, RestrictTargetLevel.ALLOW_ALL);
        this.injectAtFieldAccess(target, node);
        return;
    }
    
    if (node.getCurrentTarget() instanceof TypeInsnNode) {
        int opcode = node.getCurrentTarget().getOpcode();
        if (opcode == Opcodes.NEW) {
            if (!this.isStatic && target.isStatic) {
                throw new InvalidInjectionException(this.info, String.format(
                        "non-static callback method %s has a static target which is not supported", this));
            }
            this.injectAtConstructor(target, node);
            return;
        } else if (opcode == Opcodes.INSTANCEOF) {
            this.checkTargetModifiers(target, false);
            this.injectAtInstanceOf(target, node);
            return;
        }
    }
    
    throw new InvalidInjectionException(this.info, String.format("%s annotation on is targetting an invalid insn in %s in %s",
            this.annotationType, target, this));
}

方法所在类

org.objectweb.asm.Opcodes