public TypeSpecifier VisitRangeExpression(Expr.Range exp)
{
var left = Visit(exp.Start);
var lvalue = _valueStack.Pop();
var right = Visit(exp.End);
var rvalue = _valueStack.Pop();
if (exp.InclusiveStart)
{
_valueStack.Push(lvalue);
}
else
{
var plusone = LLVM.BuildAdd(_builder, lvalue, LLVM.ConstInt(LLVMPrimitiveType(left.Type), 1, _lFalse), "exclstart");
_valueStack.Push(plusone);
}
if (exp.InclusiveEnd)
{
_valueStack.Push(CheckedCast(rvalue, right, left));
}
else
{
var casted = CheckedCast(rvalue, right, left);
var minusone = LLVM.BuildSub(_builder, casted, LLVM.ConstInt(LLVMPrimitiveType(left.Type), 1, _lFalse), "exclend");
_valueStack.Push(minusone);
}
return(left);
}
public For(TypeSpecifier type, Token ident, Expr.Range range, Stmt body)
{
TypeSpecifier = type;
Identifier = ident;
RangeExpression = range;
Body = body;
}
public T VisitRangeExpression(Expr.Range exp);
public TypeSpecifier VisitRangeExpression(Expr.Range exp)
{
return(new TypeSpecifier {
Type = TypeEnum.UNKNOWN
});
}
