public EXPRCONCAT CreateConcat(EXPR op1, EXPR op2)
{
Debug.Assert(op1?.type != null);
Debug.Assert(op2?.type != null);
Debug.Assert(op1.type.isPredefType(PredefinedType.PT_STRING) || op2.type.isPredefType(PredefinedType.PT_STRING));
CType type = op1.type;
if (!type.isPredefType(PredefinedType.PT_STRING))
{
type = op2.type;
}
Debug.Assert(type.isPredefType(PredefinedType.PT_STRING));
EXPRCONCAT rval = new EXPRCONCAT();
rval.kind = ExpressionKind.EK_CONCAT;
rval.type = type;
rval.flags = 0;
rval.SetFirstArgument(op1);
rval.SetSecondArgument(op2);
Debug.Assert(rval != null);
return(rval);
}
protected override EXPR VisitCONCAT(EXPRCONCAT expr)
{
Debug.Assert(expr != null);
Debug.Assert(alwaysRewrite || currentAnonMeth != null);
PREDEFMETH pdm;
if (expr.GetFirstArgument().type.isPredefType(PredefinedType.PT_STRING) && expr.GetSecondArgument().type.isPredefType(PredefinedType.PT_STRING))
{
pdm = PREDEFMETH.PM_STRING_CONCAT_STRING_2;
}
else
{
pdm = PREDEFMETH.PM_STRING_CONCAT_OBJECT_2;
}
EXPR p1 = Visit(expr.GetFirstArgument());
EXPR p2 = Visit(expr.GetSecondArgument());
MethodSymbol method = GetPreDefMethod(pdm);
EXPR methodInfo = GetExprFactory().CreateMethodInfo(method, GetSymbolLoader().GetReqPredefType(PredefinedType.PT_STRING), null);
return GenerateCall(PREDEFMETH.PM_EXPRESSION_ADD_USER_DEFINED, p1, p2, methodInfo);
}
protected virtual EXPR VisitCONCAT(EXPRCONCAT pExpr)
{
return VisitEXPR(pExpr);
}
protected virtual EXPR VisitCONCAT(EXPRCONCAT pExpr)
{
return(VisitEXPR(pExpr));
}
public EXPRCONCAT CreateConcat(EXPR op1, EXPR op2)
{
Debug.Assert(op1 != null && op1.type != null);
Debug.Assert(op2 != null && op2.type != null);
Debug.Assert(op1.type.isPredefType(PredefinedType.PT_STRING) || op2.type.isPredefType(PredefinedType.PT_STRING));
CType type = op1.type;
if (!type.isPredefType(PredefinedType.PT_STRING))
{
type = op2.type;
}
Debug.Assert(type.isPredefType(PredefinedType.PT_STRING));
EXPRCONCAT rval = new EXPRCONCAT();
rval.kind = ExpressionKind.EK_CONCAT;
rval.type = type;
rval.flags = 0;
rval.SetFirstArgument(op1);
rval.SetSecondArgument(op2);
Debug.Assert(rval != null);
return (rval);
}
