public override void Visit(ILeftShift leftShift)
{
if (Process(leftShift))
{
visitor.Visit(leftShift);
}
base.Visit(leftShift);
}
public void Visit(ILeftShift leftShift)
{
Contract.Requires(leftShift != null);
throw new NotImplementedException();
}
public void Visit(ILeftShift leftShift)
{
this.traverser.Traverse(leftShift);
}
/// <summary>
/// Traverses the left shift expression.
/// </summary>
public void Traverse(ILeftShift leftShift)
{
Contract.Requires(leftShift != null);
if (this.preorderVisitor != null) this.preorderVisitor.Visit(leftShift);
if (this.StopTraversal) return;
this.TraverseChildren(leftShift);
if (this.StopTraversal) return;
if (this.postorderVisitor != null) this.postorderVisitor.Visit(leftShift);
}
//^ ensures this.path.Count == old(this.path.Count);
/// <summary>
/// Traverses the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public virtual void Visit(ILeftShift leftShift)
{
if (this.stopTraversal) return;
//^ int oldCount = this.path.Count;
this.path.Push(leftShift);
this.Visit(leftShift.LeftOperand);
this.Visit(leftShift.RightOperand);
//^ assume this.path.Count == oldCount+1; //True because all of the virtual methods of this class promise not to decrease this.path.Count.
this.path.Pop();
}
public virtual void onASTElement(ILeftShift leftShift)
{
}
public void Visit(ILeftShift leftShift)
{
this.result = this.copier.Copy(leftShift);
}
/// <summary>
/// Visits the specified left shift.
/// </summary>
/// <param name="leftShift">The left shift.</param>
public override void Visit(ILeftShift leftShift)
{
LeftShift mutableLeftShift = leftShift as LeftShift;
if (alwaysMakeACopy || mutableLeftShift == null) mutableLeftShift = new LeftShift(leftShift);
this.resultExpression = this.myCodeMutator.Visit(mutableLeftShift);
}
/// <summary>
/// Generates IL for the specified left shift.
/// </summary>
/// <param name="leftShift">The left shift.</param>
public override void TraverseChildren(ILeftShift leftShift)
{
this.Traverse(leftShift.LeftOperand);
this.Traverse(leftShift.RightOperand);
this.generator.Emit(OperationCode.Shl);
this.StackSize--;
}
public override IExpression Rewrite(ILeftShift operation)
{
return(ReplaceOperation(operation));
}
public override void Visit(ILeftShift operation)
{
ProcessOperation(operation);
}
public override void Visit(ILeftShift leftShift)
{
if(Process(leftShift)){visitor.Visit(leftShift);}
base.Visit(leftShift);
}
public void Visit(ILeftShift leftShift)
{
this.result = this.rewriter.Rewrite(leftShift);
}
/// <summary>
/// Rewrites the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public virtual IExpression Rewrite(ILeftShift leftShift)
{
var mutableLeftShift = leftShift as LeftShift;
if (mutableLeftShift == null) return leftShift;
this.RewriteChildren(mutableLeftShift);
return mutableLeftShift;
}
/// <summary>
///
/// </summary>
/// <param name="leftShift"></param>
public LeftShift(ILeftShift leftShift)
: base(leftShift)
{
}
public virtual void onASTElement(ILeftShift leftShift) { }
public override void TraverseChildren(ILeftShift leftShift)
{
base.TraverseChildren(leftShift);
((LeftShift)leftShift).Type = leftShift.LeftOperand.Type;
}
/// <summary>
/// Returns a shallow copy of the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public LeftShift Copy(ILeftShift leftShift)
{
return new LeftShift(leftShift);
}
public override void Visit(ILeftShift leftShift)
{
allElements.Add(new InvokInfo(Traverser, "ILeftShift", leftShift));
}
public override void TraverseChildren(ILeftShift leftShift) {
var targetExpression = leftShift.LeftOperand as ITargetExpression;
if (targetExpression != null) { // x <<= e
bool statement = this.currentExpressionIsOpAssignStatement;
this.currentExpressionIsOpAssignStatement = false;
this.VisitAssignment(targetExpression, leftShift, (IExpression e) => this.TraverseLeftShiftRightOperandAndDoOperation(e),
treatAsStatement: statement, pushTargetRValue: true, resultIsInitialTargetRValue: leftShift.ResultIsUnmodifiedLeftOperand);
} else { // x << e
this.Traverse(leftShift.LeftOperand);
this.TraverseLeftShiftRightOperandAndDoOperation(leftShift);
}
}
/// <summary>
/// Rewrites the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public virtual IExpression Rewrite(ILeftShift leftShift)
{
return leftShift;
}
public override void TraverseChildren(ILeftShift leftShift)
{ MethodEnter(leftShift);
base.TraverseChildren(leftShift);
MethodExit(); }
public override void TraverseChildren(ILeftShift leftShift) {
base.TraverseChildren(leftShift);
((LeftShift)leftShift).Type = leftShift.LeftOperand.Type;
}
/// <summary>
/// Performs some computation with the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public virtual void Visit(ILeftShift leftShift)
{
}
/// <summary>
/// Returns a deep copy of the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public LeftShift Copy(ILeftShift leftShift) {
Contract.Requires(leftShift != null);
Contract.Ensures(Contract.Result<LeftShift>() != null);
var mutableCopy = this.shallowCopier.Copy(leftShift);
this.CopyChildren((BinaryOperation)mutableCopy);
return mutableCopy;
}
/// <summary>
/// Traverses the children of the left shift expression.
/// </summary>
public virtual void TraverseChildren(ILeftShift leftShift)
{
Contract.Requires(leftShift != null);
this.TraverseChildren((IBinaryOperation)leftShift);
}
/// <summary>
/// Returns a shallow copy of the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public LeftShift Copy(ILeftShift leftShift) {
Contract.Requires(leftShift != null);
Contract.Ensures(Contract.Result<LeftShift>() != null);
return new LeftShift(leftShift);
}
/// <summary>
/// Performs some computation with the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public virtual void Visit(ILeftShift leftShift)
{
this.Visit((IBinaryOperation)leftShift);
}
/// <summary>
/// Performs some computation with the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public virtual void Visit(ILeftShift leftShift)
{
}
public void Visit(ILeftShift leftShift)
{
throw new NotImplementedException();
}
/// <summary>
/// Visits the specified left shift.
/// </summary>
/// <param name="leftShift">The left shift.</param>
public override void Visit(ILeftShift leftShift)
{
LeftShift mutableLeftShift = new LeftShift(leftShift);
this.resultExpression = this.myCodeCopier.DeepCopy(mutableLeftShift);
}
public override void TraverseChildren(ILeftShift leftShift) {
var needsParen = LowerPrecedenceThanParentExpression(leftShift);
var savedCurrentPrecedence = this.currentPrecedence;
this.currentPrecedence = this.Precedence(leftShift);
if (needsParen) this.sourceEmitterOutput.Write("(");
this.Traverse(leftShift.LeftOperand);
if (leftShift.LeftOperand is ITargetExpression)
this.sourceEmitterOutput.Write(" <<= ");
else
this.sourceEmitterOutput.Write(" << ");
this.Traverse(leftShift.RightOperand);
if (needsParen) this.sourceEmitterOutput.Write(")");
this.currentPrecedence = savedCurrentPrecedence;
}
/// <summary>
/// Returns a deep copy of the given left shift expression.
/// </summary>
/// <param name="leftShift"></param>
public LeftShift Copy(ILeftShift leftShift)
{
var mutableCopy = this.shallowCopier.Copy(leftShift);
this.CopyChildren((BinaryOperation)mutableCopy);
return mutableCopy;
}
public override void TraverseChildren(ILeftShift leftShift)
{
MethodEnter(leftShift);
base.TraverseChildren(leftShift);
MethodExit();
}
/// <summary>
/// Visits the specified left shift.
/// </summary>
/// <param name="leftShift">The left shift.</param>
public override void Visit(ILeftShift leftShift)
{
LeftShift mutableLeftShift = leftShift as LeftShift;
if (mutableLeftShift == null) {
this.resultExpression = leftShift;
return;
}
this.resultExpression = this.myCodeMutator.Visit(mutableLeftShift);
}