public EXPRASSIGNMENT CreateAssignment(EXPR pLHS, EXPR pRHS)
{
EXPRASSIGNMENT pAssignment = new EXPRASSIGNMENT();
pAssignment.kind = ExpressionKind.EK_ASSIGNMENT;
pAssignment.type = pLHS.type;
pAssignment.flags = EXPRFLAG.EXF_ASSGOP;
pAssignment.SetLHS(pLHS);
pAssignment.SetRHS(pRHS);
return(pAssignment);
}
/////////////////////////////////////////////////////////////////////////////////
// Statement types.
protected override EXPR VisitASSIGNMENT(EXPRASSIGNMENT assignment)
{
Debug.Assert(assignment != null);
Debug.Assert(alwaysRewrite || currentAnonMeth != null);
// For assignments, we either have a member assignment or an indexed assignment.
//Debug.Assert(assignment.GetLHS().isPROP() || assignment.GetLHS().isFIELD() || assignment.GetLHS().isARRAYINDEX() || assignment.GetLHS().isLOCAL());
EXPR lhs;
if (assignment.GetLHS().isPROP())
{
EXPRPROP prop = assignment.GetLHS().asPROP();
if (prop.GetOptionalArguments() == null)
{
// Regular property.
lhs = Visit(prop);
}
else
{
// Indexed assignment. Here we need to find the instance of the object, create the
// PropInfo for the thing, and get the array of expressions that make up the index arguments.
//
// The LHS becomes Expression.Property(instance, indexerInfo, arguments).
EXPR instance = Visit(prop.GetMemberGroup().GetOptionalObject());
EXPR propInfo = GetExprFactory().CreatePropertyInfo(prop.pwtSlot.Prop(), prop.pwtSlot.Ats);
EXPR arguments = GenerateParamsArray(
GenerateArgsList(prop.GetOptionalArguments()),
PredefinedType.PT_EXPRESSION);
lhs = GenerateCall(PREDEFMETH.PM_EXPRESSION_PROPERTY, instance, propInfo, arguments);
}
}
else
{
lhs = Visit(assignment.GetLHS());
}
EXPR rhs = Visit(assignment.GetRHS());
return GenerateCall(PREDEFMETH.PM_EXPRESSION_ASSIGN, lhs, rhs);
}
protected virtual EXPR VisitASSIGNMENT(EXPRASSIGNMENT pExpr)
{
return(VisitEXPR(pExpr));
}
protected virtual EXPR VisitASSIGNMENT(EXPRASSIGNMENT pExpr)
{
return VisitEXPR(pExpr);
}
public EXPRASSIGNMENT CreateAssignment(EXPR pLHS, EXPR pRHS)
{
EXPRASSIGNMENT pAssignment = new EXPRASSIGNMENT();
pAssignment.kind = ExpressionKind.EK_ASSIGNMENT;
pAssignment.type = pLHS.type;
pAssignment.flags = EXPRFLAG.EXF_ASSGOP;
pAssignment.SetLHS(pLHS);
pAssignment.SetRHS(pRHS);
return pAssignment;
}