public override void OutASAssignmentExp(ASAssignmentExp node)
{
AAssignmentExp replacer = null;
PAssignop assignop = node.GetAssignop();
Token token = null;
PBinop binop = null;
if (assignop is AAddAssignop)
{
token = ((AAddAssignop)assignop).GetToken();
binop = new APlusBinop(new TPlus("+", token.Line, token.Pos));
}
else if (assignop is ASubAssignop)
{
token = ((ASubAssignop)assignop).GetToken();
binop = new AMinusBinop(new TMinus("-", token.Line, token.Pos));
}
else if (assignop is AMulAssignop)
{
token = ((AMulAssignop)assignop).GetToken();
binop = new ATimesBinop(new TStar("*", token.Line, token.Pos));
}
else if (assignop is ADivAssignop)
{
token = ((ADivAssignop)assignop).GetToken();
binop = new ADivideBinop(new TDiv("/", token.Line, token.Pos));
}
else if (assignop is AModAssignop)
{
token = ((AModAssignop)assignop).GetToken();
binop = new AModuloBinop(new TMod("%", token.Line, token.Pos));
}
else// if (assignop is AAssignAssignop)
{
token = ((AAssignAssignop)assignop).GetToken();
}
PExp rightSide;
if (binop != null)
{
rightSide = new ABinopExp(new ALvalueExp((PLvalue)node.GetLvalue().Clone()),
binop,
(PExp)node.GetExp().Clone());
}
else
{
rightSide = (PExp)node.GetExp().Clone();
}
replacer = new AAssignmentExp(new TAssign("=", token.Line, token.Pos), (PLvalue)node.GetLvalue().Clone(), rightSide);
node.ReplaceBy(replacer);
replacer.Apply(this);
}
public void SetAssignop(PAssignop node)
{
if (_assignop_ != null)
{
_assignop_.Parent(null);
}
if (node != null)
{
if (node.Parent() != null)
{
node.Parent().RemoveChild(node);
}
node.Parent(this);
}
_assignop_ = node;
}
public AALocalDeclRight(
TIdentifier _name_,
PAssignop _assignop_,
PExp _init_
)
{
SetName(_name_);
SetAssignop(_assignop_);
SetInit(_init_);
}
internal override void RemoveChild(Node child)
{
if (_assignop_ == child)
{
_assignop_ = null;
return;
}
if (_lvalue_ == child)
{
_lvalue_ = null;
return;
}
if (_exp_ == child)
{
_exp_ = null;
return;
}
}
public ASAssignmentExp(
PAssignop _assignop_,
PLvalue _lvalue_,
PExp _exp_
)
{
SetAssignop(_assignop_);
SetLvalue(_lvalue_);
SetExp(_exp_);
}
internal override void RemoveChild(Node child)
{
if (_name_ == child)
{
_name_ = null;
return;
}
if (_assignop_ == child)
{
_assignop_ = null;
return;
}
if (_init_ == child)
{
_init_ = null;
return;
}
}