Class ObjectTypeUsageRewriter

java.lang.Object

org.benf.cfr.reader.bytecode.analysis.parse.rewriters.AbstractExpressionRewriter

org.benf.cfr.reader.bytecode.analysis.opgraph.op4rewriters.transformers.ObjectTypeUsageRewriter

All Implemented Interfaces:

StructuredStatementTransformer, ExpressionRewriter

public class ObjectTypeUsageRewriter
extends AbstractExpressionRewriter
implements StructuredStatementTransformer

Detect potential invalid usages of fields - where the class we expect to be calling them with doesn't match the class needed to access the fields in question.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	canHaveVar
private final Map<InferredJavaType, Boolean>	isAnonVar

Constructor Summary

Constructors

Constructor	Description
ObjectTypeUsageRewriter(AnonymousClassUsage anonymousClassUsage, ClassFile classFile)

Method Summary

Modifier and Type	Method	Description
private LValue	handleFieldVariable(FieldVariable fieldVariable)
private Expression	handleMemberFunction(MemberFunctionInvokation funcInv)
private void	markLocalVar(Expression object)
private boolean	needsReWrite(Expression lhsObject, JavaTypeInstance owningClassType, UnaryFunction<ClassFile, Boolean> checkVisible)
Expression	rewriteExpression(Expression expression, SSAIdentifiers ssaIdentifiers, StatementContainer statementContainer, ExpressionRewriterFlags flags)
LValue	rewriteExpression(LValue lValue, SSAIdentifiers ssaIdentifiers, StatementContainer statementContainer, ExpressionRewriterFlags flags)
void	transform(Op04StructuredStatement root)
StructuredStatement	transform(StructuredStatement in, StructuredScope scope)

Methods inherited from class AbstractExpressionRewriter

handleStatement, rewriteExpression, rewriteExpression

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

isAnonVar

private final Map<InferredJavaType, Boolean> isAnonVar

canHaveVar

private boolean canHaveVar

Constructor Details

ObjectTypeUsageRewriter

public ObjectTypeUsageRewriter(AnonymousClassUsage anonymousClassUsage,
 ClassFile classFile)

Method Details

transform

public void transform(Op04StructuredStatement root)

transform

public StructuredStatement transform(StructuredStatement in,
 StructuredScope scope)

Specified by:

transform in interface StructuredStatementTransformer

rewriteExpression

public Expression rewriteExpression(Expression expression,
 SSAIdentifiers ssaIdentifiers,
 StatementContainer statementContainer,
 ExpressionRewriterFlags flags)

Specified by:

rewriteExpression in interface ExpressionRewriter

Overrides:

rewriteExpression in class AbstractExpressionRewriter

rewriteExpression

public LValue rewriteExpression(LValue lValue,
 SSAIdentifiers ssaIdentifiers,
 StatementContainer statementContainer,
 ExpressionRewriterFlags flags)

Specified by:

rewriteExpression in interface ExpressionRewriter

Overrides:

rewriteExpression in class AbstractExpressionRewriter

needsReWrite

private boolean needsReWrite(Expression lhsObject,
 JavaTypeInstance owningClassType,
 UnaryFunction<ClassFile, Boolean> checkVisible)

handleMemberFunction

private Expression handleMemberFunction(MemberFunctionInvokation funcInv)

handleFieldVariable

private LValue handleFieldVariable(FieldVariable fieldVariable)

markLocalVar

private void markLocalVar(Expression object)