89 lines
2.9 KiB
Java
89 lines
2.9 KiB
Java
/******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*****************************************************************************/
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package com.ibm.wala.cast.analysis.typeInference;
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import com.ibm.wala.analysis.typeInference.ConeType;
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import com.ibm.wala.analysis.typeInference.TypeAbstraction;
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import com.ibm.wala.analysis.typeInference.TypeInference;
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import com.ibm.wala.cast.ir.ssa.AstAssertInstruction;
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import com.ibm.wala.cast.ir.ssa.AstEchoInstruction;
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import com.ibm.wala.cast.ir.ssa.AstGlobalRead;
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import com.ibm.wala.cast.ir.ssa.AstGlobalWrite;
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import com.ibm.wala.cast.ir.ssa.AstInstructionVisitor;
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import com.ibm.wala.cast.ir.ssa.AstIsDefinedInstruction;
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import com.ibm.wala.cast.ir.ssa.AstLexicalRead;
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import com.ibm.wala.cast.ir.ssa.AstLexicalWrite;
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import com.ibm.wala.cast.ir.ssa.EachElementGetInstruction;
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import com.ibm.wala.cast.ir.ssa.EachElementHasNextInstruction;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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import com.ibm.wala.ssa.IR;
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public abstract class AstTypeInference extends TypeInference {
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private final TypeAbstraction booleanType;
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protected class AstTypeOperatorFactory extends TypeOperatorFactory implements AstInstructionVisitor {
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@Override
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public void visitAstLexicalRead(AstLexicalRead inst) {
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result = new DeclaredTypeOperator(new ConeType(cha.getRootClass()));
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}
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@Override
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public void visitAstLexicalWrite(AstLexicalWrite inst) {
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}
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@Override
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public void visitAstGlobalRead(AstGlobalRead instruction) {
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result = new DeclaredTypeOperator(new ConeType(cha.getRootClass()));
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}
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@Override
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public void visitAstGlobalWrite(AstGlobalWrite instruction) {
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}
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@Override
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public void visitAssert(AstAssertInstruction instruction) {
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}
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@Override
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public void visitEachElementGet(EachElementGetInstruction inst) {
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result = new DeclaredTypeOperator(new ConeType(cha.getRootClass()));
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}
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@Override
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public void visitEachElementHasNext(EachElementHasNextInstruction inst) {
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}
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@Override
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public void visitIsDefined(AstIsDefinedInstruction inst) {
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if (doPrimitives) {
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result = new DeclaredTypeOperator(booleanType);
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}
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}
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@Override
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public void visitEcho(AstEchoInstruction inst) {
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}
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}
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public AstTypeInference(IR ir, IClassHierarchy cha, TypeAbstraction booleanType, boolean doPrimitives) {
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super(ir, doPrimitives);
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this.booleanType = booleanType;
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}
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@Override
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protected void initialize() {
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init(ir, new TypeVarFactory(), new AstTypeOperatorFactory());
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}
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}
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