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core/src/main/java/de/mirkosertic/bytecoder/intrinsics/JavaLangEnumIntrinsic.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * Copyright 2019 Mirko Sertic | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package de.mirkosertic.bytecoder.intrinsics; | ||
|
|
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| import de.mirkosertic.bytecoder.core.*; | ||
| import de.mirkosertic.bytecoder.ssa.*; | ||
|
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| import java.util.List; | ||
|
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| public class JavaLangEnumIntrinsic extends Intrinsic { | ||
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| @Override | ||
| public boolean intrinsify(final Program aProgram, final BytecodeInstructionINVOKEVIRTUAL aInstruction, final String aMethodName, final List<Value> aArguments, final Value aTarget, final RegionNode aTargetBlock, final ParsingHelper aHelper) { | ||
| final BytecodeMethodSignature theSignature = aInstruction.getMethodReference().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature(); | ||
| if ("getEnumConstants".equals(aMethodName) && theSignature.matchesExactlyTo(BytecodeLinkedClass.GET_ENUM_CONSTANTS_SIGNATURE)) { | ||
| final Value theValue = new EnumConstantsExpression(aProgram, aInstruction.getOpcodeAddress(), aTarget); | ||
| final Variable theNewVariable = aTargetBlock.newVariable(aInstruction.getOpcodeAddress(), TypeRef.toType(theSignature.getReturnType()), theValue); | ||
| aHelper.push(theNewVariable); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| public boolean intrinsify(final Program aProgram, final BytecodeInstructionGETSTATIC aInstruction, final String aFieldName, final BytecodeObjectTypeRef aTtargetType, final RegionNode aTargetBlock, final ParsingHelper aHelper) { | ||
| if ("$VALUES".equals(aFieldName)) { | ||
| final Value theValue = new EnumConstantsExpression(aProgram, aInstruction.getOpcodeAddress(), new ClassReferenceValue(aTtargetType)); | ||
| aHelper.push(theValue); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| public boolean intrinsify(final Program aProgram, final BytecodeInstructionPUTSTATIC aInstruction, final String aFieldName, final BytecodeObjectTypeRef aTtargetType, final Value aValue, final RegionNode aTargetBlock, final ParsingHelper aHelper) { | ||
| if ("$VALUES".equals(aFieldName)) { | ||
| aTargetBlock.getExpressions().add(new SetEnumConstantsExpression(aProgram, aInstruction.getOpcodeAddress(), new ClassReferenceValue(aTtargetType), aValue)); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| } |
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