本文整理汇总了Java中proguard.classfile.instruction.InstructionConstants.OP_ALOAD_0属性的典型用法代码示例。如果您正苦于以下问题：Java InstructionConstants.OP_ALOAD_0属性的具体用法？Java InstructionConstants.OP_ALOAD_0怎么用？Java InstructionConstants.OP_ALOAD_0使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类proguard.classfile.instruction.InstructionConstants的用法示例。
在下文中一共展示了InstructionConstants.OP_ALOAD_0属性的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: correspondingVerificationType
/**
* Creates and returns the verification type corresponding to the given
* value. If necessary, a class constant is added to the constant pool of
* the given class.
*/
private VerificationType correspondingVerificationType(ProgramClass programClass,
ProgramMethod programMethod,
CodeAttribute codeAttribute,
int offset,
boolean isVariable0,
Value value,
Value producerValue)
{
if (value == null)
{
return VerificationTypeFactory.createTopType();
}
int type = value.computationalType();
switch (type)
{
case Value.TYPE_INSTRUCTION_OFFSET:
case Value.TYPE_INTEGER: return VerificationTypeFactory.createIntegerType();
case Value.TYPE_LONG: return VerificationTypeFactory.createLongType();
case Value.TYPE_FLOAT: return VerificationTypeFactory.createFloatType();
case Value.TYPE_DOUBLE: return VerificationTypeFactory.createDoubleType();
case Value.TYPE_TOP: return VerificationTypeFactory.createTopType();
case Value.TYPE_REFERENCE:
// Is it a Null type?
ReferenceValue referenceValue = value.referenceValue();
if (referenceValue.isNull() == Value.ALWAYS)
{
return VerificationTypeFactory.createNullType();
}
// Does the reference type have a single producer?
if (offset != PartialEvaluator.AT_METHOD_ENTRY)
{
InstructionOffsetValue producers = producerValue.instructionOffsetValue();
if (producers.instructionOffsetCount() == 1)
{
int producerOffset = producers.instructionOffset(0);
// Follow any dup or swap instructions.
while (producerOffset != PartialEvaluator.AT_METHOD_ENTRY &&
isDupOrSwap(codeAttribute.code[producerOffset]))
{
producers = partialEvaluator.getStackBefore(producerOffset).getTopProducerValue(0).instructionOffsetValue();
producerOffset = producers.instructionOffset(0);
}
// Are we in an instance initialization method,
// before the super initialization, loading "this"?
if (partialEvaluator.isInitializer() &&
offset <= partialEvaluator.superInitializationOffset() &&
(isVariable0 ||
producerOffset > PartialEvaluator.AT_METHOD_ENTRY &&
codeAttribute.code[producerOffset] == InstructionConstants.OP_ALOAD_0))
{
// It's an UninitializedThis type.
return VerificationTypeFactory.createUninitializedThisType();
}
// Is the reference type newly created and still
// uninitialized?
if (producerOffset > PartialEvaluator.AT_METHOD_ENTRY &&
offset <= partialEvaluator.initializationOffset(producerOffset))
{
// It's an Uninitialized type.
return VerificationTypeFactory.createUninitializedType(producerOffset);
}
}
}
// It's an ordinary Object type.
return VerificationTypeFactory.createObjectType(createClassConstant(programClass, referenceValue));
}
throw new IllegalArgumentException("Unknown computational type ["+type+"]");
}
示例2: visitVariableInstruction
public void visitVariableInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VariableInstruction variableInstruction)
{
int variableIndex = variableInstruction.variableIndex;
switch (variableInstruction.opcode)
{
case InstructionConstants.OP_ILOAD:
case InstructionConstants.OP_ILOAD_0:
case InstructionConstants.OP_ILOAD_1:
case InstructionConstants.OP_ILOAD_2:
case InstructionConstants.OP_ILOAD_3:
replaceIntegerPushInstruction(clazz, offset, variableInstruction, variableIndex);
break;
case InstructionConstants.OP_LLOAD:
case InstructionConstants.OP_LLOAD_0:
case InstructionConstants.OP_LLOAD_1:
case InstructionConstants.OP_LLOAD_2:
case InstructionConstants.OP_LLOAD_3:
replaceLongPushInstruction(clazz, offset, variableInstruction, variableIndex);
break;
case InstructionConstants.OP_FLOAD:
case InstructionConstants.OP_FLOAD_0:
case InstructionConstants.OP_FLOAD_1:
case InstructionConstants.OP_FLOAD_2:
case InstructionConstants.OP_FLOAD_3:
replaceFloatPushInstruction(clazz, offset, variableInstruction, variableIndex);
break;
case InstructionConstants.OP_DLOAD:
case InstructionConstants.OP_DLOAD_0:
case InstructionConstants.OP_DLOAD_1:
case InstructionConstants.OP_DLOAD_2:
case InstructionConstants.OP_DLOAD_3:
replaceDoublePushInstruction(clazz, offset, variableInstruction, variableIndex);
break;
case InstructionConstants.OP_ALOAD:
case InstructionConstants.OP_ALOAD_0:
case InstructionConstants.OP_ALOAD_1:
case InstructionConstants.OP_ALOAD_2:
case InstructionConstants.OP_ALOAD_3:
replaceReferencePushInstruction(clazz, offset, variableInstruction);
break;
case InstructionConstants.OP_ASTORE:
case InstructionConstants.OP_ASTORE_0:
case InstructionConstants.OP_ASTORE_1:
case InstructionConstants.OP_ASTORE_2:
case InstructionConstants.OP_ASTORE_3:
deleteReferencePopInstruction(clazz, offset, variableInstruction);
break;
case InstructionConstants.OP_RET:
replaceBranchInstruction(clazz, offset, variableInstruction);
break;
}
}
示例3: correspondingVerificationType
/**
* Creates and returns the verification type corresponding to the given
* value. If necessary, a class constant is added to the constant pool of
* the given class.
*/
private VerificationType correspondingVerificationType(ProgramClass programClass,
ProgramMethod programMethod,
CodeAttribute codeAttribute,
int offset,
boolean isVariable0,
Value value,
Value producerValue)
{
if (value == null)
{
return VerificationTypeFactory.createTopType();
}
int type = value.computationalType();
switch (type)
{
case Value.TYPE_INSTRUCTION_OFFSET:
case Value.TYPE_INTEGER: return VerificationTypeFactory.createIntegerType();
case Value.TYPE_LONG: return VerificationTypeFactory.createLongType();
case Value.TYPE_FLOAT: return VerificationTypeFactory.createFloatType();
case Value.TYPE_DOUBLE: return VerificationTypeFactory.createDoubleType();
case Value.TYPE_TOP: return VerificationTypeFactory.createTopType();
case Value.TYPE_REFERENCE:
// Is it a Null type?
ReferenceValue referenceValue = value.referenceValue();
if (referenceValue.isNull() == Value.ALWAYS)
{
return VerificationTypeFactory.createNullType();
}
// Does the reference type have a single producer?
if (offset != PartialEvaluator.AT_METHOD_ENTRY)
{
InstructionOffsetValue producers = producerValue.instructionOffsetValue();
if (producers.instructionOffsetCount() == 1)
{
int producerOffset = producers.instructionOffset(0);
// Follow any dup or swap instructions.
while (producerOffset != PartialEvaluator.AT_METHOD_ENTRY &&
isDupOrSwap(codeAttribute.code[producerOffset]))
{
producers = partialEvaluator.getStackBefore(producerOffset).getTopProducerValue(0).instructionOffsetValue();
producerOffset = producers.minimumValue();
}
// Are we in an instance initialization method,
// before the super initialization, loading "this"?
if (partialEvaluator.isInitializer() &&
offset <= partialEvaluator.superInitializationOffset() &&
(isVariable0 ||
producerOffset > PartialEvaluator.AT_METHOD_ENTRY &&
codeAttribute.code[producerOffset] == InstructionConstants.OP_ALOAD_0))
{
// It's an UninitializedThis type.
return VerificationTypeFactory.createUninitializedThisType();
}
// Is the reference type newly created and still
// uninitialized?
if (producerOffset > PartialEvaluator.AT_METHOD_ENTRY &&
offset <= partialEvaluator.initializationOffset(producerOffset))
{
// It's an Uninitialized type.
return VerificationTypeFactory.createUninitializedType(producerOffset);
}
}
}
// It's an ordinary Object type.
return VerificationTypeFactory.createObjectType(createClassConstant(programClass, referenceValue));
}
throw new IllegalArgumentException("Unknown computational type ["+type+"]");
}