Java Code Examples for proguard.evaluation.value.Value#isParticular()
The following examples show how to use
proguard.evaluation.value.Value#isParticular() .
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Example 1
| Source File: ConstantParameterFilter.java From proguard with GNU General Public License v2.0 | 6 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
// All parameters of non-static methods are shifted by one in the local
// variable frame.
boolean isStatic =
(programMethod.getAccessFlags() & AccessConstants.STATIC) != 0;
int parameterStart = isStatic ? 0 : 1;
int parameterCount =
ClassUtil.internalMethodParameterCount(programMethod.getDescriptor(programClass),
isStatic);
for (int index = parameterStart; index < parameterCount; index++)
{
Value value = StoringInvocationUnit.getMethodParameterValue(programMethod, index);
if (value != null &&
value.isParticular())
{
constantParameterVisitor.visitProgramMethod(programClass, programMethod);
}
}
}
Example 2
| Source File: ConstantParameterFilter.java From bazel with Apache License 2.0 | 6 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
// All parameters of non-static methods are shifted by one in the local
// variable frame.
int firstParameterIndex =
(programMethod.getAccessFlags() & ClassConstants.ACC_STATIC) != 0 ?
0 : 1;
int parameterCount =
ClassUtil.internalMethodParameterCount(programMethod.getDescriptor(programClass));
for (int index = firstParameterIndex; index < parameterCount; index++)
{
Value value = StoringInvocationUnit.getMethodParameterValue(programMethod, index);
if (value != null &&
value.isParticular())
{
constantParameterVisitor.visitProgramMethod(programClass, programMethod);
}
}
}
Example 3
| Source File: ConstantParameterFilter.java From java-n-IDE-for-Android with Apache License 2.0 | 6 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
// All parameters of non-static methods are shifted by one in the local
// variable frame.
int firstParameterIndex =
(programMethod.getAccessFlags() & ClassConstants.INTERNAL_ACC_STATIC) != 0 ?
0 : 1;
int parameterCount =
ClassUtil.internalMethodParameterCount(programMethod.getDescriptor(programClass));
for (int index = firstParameterIndex; index < parameterCount; index++)
{
Value value = StoringInvocationUnit.getMethodParameterValue(programMethod, index);
if (value != null &&
value.isParticular())
{
constantParameterVisitor.visitProgramMethod(programClass, programMethod);
}
}
}
Example 4
| Source File: LoadingInvocationUnit.java From java-n-IDE-for-Android with Apache License 2.0 | 6 votes |
|
protected Value getFieldValue(Clazz clazz,
RefConstant refConstant,
String type)
{
if (loadFieldValues)
{
// Do we know this field?
Member referencedMember = refConstant.referencedMember;
if (referencedMember != null)
{
// Retrieve the stored field value.
Value value = StoringInvocationUnit.getFieldValue((Field)referencedMember);
if (value != null &&
value.isParticular())
{
return value;
}
}
}
return super.getFieldValue(clazz, refConstant, type);
}
Example 5
| Source File: LoadingInvocationUnit.java From java-n-IDE-for-Android with Apache License 2.0 | 6 votes |
|
protected Value getMethodParameterValue(Clazz clazz,
Method method,
int parameterIndex,
String type,
Clazz referencedClass)
{
if (loadMethodParameterValues)
{
// Retrieve the stored method parameter value.
Value value = StoringInvocationUnit.getMethodParameterValue(method, parameterIndex);
if (value != null &&
value.isParticular())
{
return value;
}
}
return super.getMethodParameterValue(clazz,
method,
parameterIndex,
type,
referencedClass);
}
Example 6
| Source File: LoadingInvocationUnit.java From java-n-IDE-for-Android with Apache License 2.0 | 6 votes |
|
protected Value getMethodReturnValue(Clazz clazz,
RefConstant refConstant,
String type)
{
if (loadMethodReturnValues)
{
// Do we know this method?
Member referencedMember = refConstant.referencedMember;
if (referencedMember != null)
{
// Retrieve the stored method return value.
Value value = StoringInvocationUnit.getMethodReturnValue((Method)referencedMember);
if (value != null &&
value.isParticular())
{
return value;
}
}
}
return super.getMethodReturnValue(clazz,
refConstant,
type);
}
Example 7
| Source File: ConstantParameterFilter.java From proguard with GNU General Public License v2.0 | 6 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
// All parameters of non-static methods are shifted by one in the local
// variable frame.
int firstParameterIndex =
(programMethod.getAccessFlags() & ClassConstants.ACC_STATIC) != 0 ?
0 : 1;
int parameterCount =
ClassUtil.internalMethodParameterCount(programMethod.getDescriptor(programClass));
for (int index = firstParameterIndex; index < parameterCount; index++)
{
Value value = StoringInvocationUnit.getMethodParameterValue(programMethod, index);
if (value != null &&
value.isParticular())
{
constantParameterVisitor.visitProgramMethod(programClass, programMethod);
}
}
}
Example 8
| Source File: EvaluationSimplifier.java From java-n-IDE-for-Android with Apache License 2.0 | 6 votes |
|
/**
* Replaces the reference pushing instruction at the given offset by a
* simpler push instruction, if possible.
*/
private void replaceReferencePushInstruction(Clazz clazz,
int offset,
Instruction instruction)
{
Value pushedValue = partialEvaluator.getStackAfter(offset).getTop(0);
if (pushedValue.isParticular())
{
// A reference value can only be specific if it is null.
replaceConstantPushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_ACONST_NULL,
0);
}
}
Example 9
| Source File: ConstantMemberFilter.java From proguard with GNU General Public License v2.0 | 5 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
Value value = StoringInvocationUnit.getMethodReturnValue(programMethod);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramMethod(programClass, programMethod);
}
}
Example 10
| Source File: ConstantMemberFilter.java From bazel with Apache License 2.0 | 5 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
Value value = StoringInvocationUnit.getMethodReturnValue(programMethod);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramMethod(programClass, programMethod);
}
}
Example 11
| Source File: ConstantMemberFilter.java From bazel with Apache License 2.0 | 5 votes |
|
public void visitProgramField(ProgramClass programClass, ProgramField programField)
{
Value value = StoringInvocationUnit.getFieldValue(programField);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramField(programClass, programField);
}
}
Example 12
| Source File: ConstantMemberFilter.java From proguard with GNU General Public License v2.0 | 5 votes |
|
public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
{
Value value = StoringInvocationUnit.getMethodReturnValue(programMethod);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramMethod(programClass, programMethod);
}
}
Example 13
| Source File: ConstantMemberFilter.java From proguard with GNU General Public License v2.0 | 5 votes |
|
public void visitProgramField(ProgramClass programClass, ProgramField programField)
{
Value value = StoringInvocationUnit.getFieldValue(programField);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramField(programClass, programField);
}
}
Example 14
| Source File: EvaluationSimplifier.java From java-n-IDE-for-Android with Apache License 2.0 | 5 votes |
|
/**
* Replaces the push instruction at the given offset by a simpler push
* instruction, if possible.
*/
private void replaceAnyPushInstruction(Clazz clazz,
int offset,
Instruction instruction)
{
Value pushedValue = partialEvaluator.getStackAfter(offset).getTop(0);
if (pushedValue.isParticular())
{
switch (pushedValue.computationalType())
{
case Value.TYPE_INTEGER:
replaceIntegerPushInstruction(clazz, offset, instruction);
break;
case Value.TYPE_LONG:
replaceLongPushInstruction(clazz, offset, instruction);
break;
case Value.TYPE_FLOAT:
replaceFloatPushInstruction(clazz, offset, instruction);
break;
case Value.TYPE_DOUBLE:
replaceDoublePushInstruction(clazz, offset, instruction);
break;
case Value.TYPE_REFERENCE:
replaceReferencePushInstruction(clazz, offset, instruction);
break;
}
}
}
Example 15
| Source File: ConstantMemberFilter.java From java-n-IDE-for-Android with Apache License 2.0 | 5 votes |
|
public void visitProgramField(ProgramClass programClass, ProgramField programField)
{
Value value = StoringInvocationUnit.getFieldValue(programField);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramField(programClass, programField);
}
}
Example 16
| Source File: ConstantMemberFilter.java From proguard with GNU General Public License v2.0 | 5 votes |
|
public void visitProgramField(ProgramClass programClass, ProgramField programField)
{
Value value = StoringInvocationUnit.getFieldValue(programField);
if (value != null &&
value.isParticular())
{
constantMemberVisitor.visitProgramField(programClass, programField);
}
}
Example 17
| Source File: EvaluationSimplifier.java From java-n-IDE-for-Android with Apache License 2.0 | 4 votes |
|
/**
* Replaces the double pushing instruction at the given offset by a simpler
* push instruction, if possible.
*/
private void replaceDoublePushInstruction(Clazz clazz,
int offset,
Instruction instruction,
int maxVariableIndex)
{
Value pushedValue = partialEvaluator.getStackAfter(offset).getTop(0);
if (pushedValue.isParticular())
{
// Make sure to distinguish between +0.0 and -0.0.
double value = pushedValue.doubleValue().value();
if (value == 0.0 && Double.doubleToLongBits(value) == POS_ZERO_DOUBLE_BITS ||
value == 1.0)
{
replaceConstantPushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_DCONST_0,
(int)value);
}
else
{
ConstantPoolEditor constantPoolEditor =
new ConstantPoolEditor((ProgramClass)clazz);
Instruction replacementInstruction =
new ConstantInstruction(InstructionConstants.OP_LDC2_W,
constantPoolEditor.addDoubleConstant(value)).shrink();
replaceInstruction(clazz, offset, instruction, replacementInstruction);
}
}
else if (pushedValue.isSpecific())
{
TracedVariables variables = partialEvaluator.getVariablesBefore(offset);
for (int variableIndex = 0; variableIndex < maxVariableIndex; variableIndex++)
{
if (pushedValue.equals(variables.load(variableIndex)))
{
replaceVariablePushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_DLOAD,
variableIndex);
}
}
}
}
Example 18
| Source File: EvaluationSimplifier.java From java-n-IDE-for-Android with Apache License 2.0 | 4 votes |
|
/**
* Replaces the float pushing instruction at the given offset by a simpler
* push instruction, if possible.
*/
private void replaceFloatPushInstruction(Clazz clazz,
int offset,
Instruction instruction,
int maxVariableIndex)
{
Value pushedValue = partialEvaluator.getStackAfter(offset).getTop(0);
if (pushedValue.isParticular())
{
// Make sure to distinguish between +0.0 and -0.0.
float value = pushedValue.floatValue().value();
if (value == 0.0f && Float.floatToIntBits(value) == POS_ZERO_FLOAT_BITS ||
value == 1.0f ||
value == 2.0f)
{
replaceConstantPushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_FCONST_0,
(int)value);
}
else
{
ConstantPoolEditor constantPoolEditor =
new ConstantPoolEditor((ProgramClass)clazz);
Instruction replacementInstruction =
new ConstantInstruction(InstructionConstants.OP_LDC,
constantPoolEditor.addFloatConstant(value)).shrink();
replaceInstruction(clazz, offset, instruction, replacementInstruction);
}
}
else if (pushedValue.isSpecific())
{
TracedVariables variables = partialEvaluator.getVariablesBefore(offset);
for (int variableIndex = 0; variableIndex < maxVariableIndex; variableIndex++)
{
if (pushedValue.equals(variables.load(variableIndex)))
{
replaceVariablePushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_FLOAD,
variableIndex);
}
}
}
}
Example 19
| Source File: EvaluationSimplifier.java From java-n-IDE-for-Android with Apache License 2.0 | 4 votes |
|
/**
* Replaces the long pushing instruction at the given offset by a simpler
* push instruction, if possible.
*/
private void replaceLongPushInstruction(Clazz clazz,
int offset,
Instruction instruction,
int maxVariableIndex)
{
Value pushedValue = partialEvaluator.getStackAfter(offset).getTop(0);
if (pushedValue.isParticular())
{
long value = pushedValue.longValue().value();
if (value == 0L ||
value == 1L)
{
replaceConstantPushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_LCONST_0,
(int)value);
}
else
{
ConstantPoolEditor constantPoolEditor =
new ConstantPoolEditor((ProgramClass)clazz);
Instruction replacementInstruction =
new ConstantInstruction(InstructionConstants.OP_LDC2_W,
constantPoolEditor.addLongConstant(value)).shrink();
replaceInstruction(clazz, offset, instruction, replacementInstruction);
}
}
else if (pushedValue.isSpecific())
{
TracedVariables variables = partialEvaluator.getVariablesBefore(offset);
for (int variableIndex = 0; variableIndex < maxVariableIndex; variableIndex++)
{
if (pushedValue.equals(variables.load(variableIndex)))
{
replaceVariablePushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_LLOAD,
variableIndex);
}
}
}
}
Example 20
| Source File: EvaluationSimplifier.java From java-n-IDE-for-Android with Apache License 2.0 | 4 votes |
|
/**
* Replaces the integer pushing instruction at the given offset by a simpler
* push instruction, if possible.
*/
private void replaceIntegerPushInstruction(Clazz clazz,
int offset,
Instruction instruction,
int maxVariableIndex)
{
Value pushedValue = partialEvaluator.getStackAfter(offset).getTop(0);
if (pushedValue.isParticular())
{
int value = pushedValue.integerValue().value();
if (value << 16 >> 16 == value)
{
replaceConstantPushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_SIPUSH,
value);
}
else
{
ConstantPoolEditor constantPoolEditor =
new ConstantPoolEditor((ProgramClass)clazz);
Instruction replacementInstruction =
new ConstantInstruction(InstructionConstants.OP_LDC,
constantPoolEditor.addIntegerConstant(value)).shrink();
replaceInstruction(clazz, offset, instruction, replacementInstruction);
}
}
else if (pushedValue.isSpecific())
{
TracedVariables variables = partialEvaluator.getVariablesBefore(offset);
for (int variableIndex = 0; variableIndex < maxVariableIndex; variableIndex++)
{
if (pushedValue.equals(variables.load(variableIndex)))
{
replaceVariablePushInstruction(clazz,
offset,
instruction,
InstructionConstants.OP_ILOAD,
variableIndex);
}
}
}
}
