public virtual void InASAssignmentExp(ASAssignmentExp node)
{
DefaultIn(node);
}
public virtual void OutASAssignmentExp(ASAssignmentExp node)
{
DefaultOut(node);
}
public override void CaseASAssignmentExp(ASAssignmentExp node)
{
InASAssignmentExp(node);
if (node.GetExp() != null)
{
node.GetExp().Apply(this);
}
if (node.GetLvalue() != null)
{
node.GetLvalue().Apply(this);
}
if (node.GetAssignop() != null)
{
node.GetAssignop().Apply(this);
}
OutASAssignmentExp(node);
}
public virtual void CaseASAssignmentExp(ASAssignmentExp node)
{
DefaultCase(node);
}
public override void OutAShadySAssignmentExp(AShadySAssignmentExp node)
{
if (node.GetLocalDeclRight().Count == 1 &&
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetName() == null)
{
//Assignment expression
//Cant have any [] or * after first lvalue
if (node.GetPostPointers().Count > 0)
{
Token token;
PShadyDynamicOps op = (PShadyDynamicOps)node.GetPostPointers()[0];
if (op is APointerShadyDynamicOps)
token = ((APointerShadyDynamicOps) op).GetToken();
else
token = ((AArrayShadyDynamicOps)op).GetToken();
errors.Add(new ErrorCollection.Error(token, currentSourceFile, "Didn't expect " + token.Text + " there. Im very confused."));
}
if (node.GetGenericToken() != null)
errors.Add(new ErrorCollection.Error(node.GetGenericToken(),
"What the hell is this? I didn't see that coming. Or maybe I did.. But I don't like it!"));
//an assignment can't be const);
if (node.GetConst() != null)
errors.Add(new ErrorCollection.Error(node.GetConst(), currentSourceFile, "Unexpected const", false));
//An assignment must have a right side
if (((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetInit() == null ||
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetAssignop() == null)
{
Token token = GetToken(node.GetLvalue());
errors.Add(new ErrorCollection.Error(token, currentSourceFile, "Expected assignment", false));
node.Parent().RemoveChild(node);
return;
}
ASAssignmentExp exp = new ASAssignmentExp(
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetAssignop(), node.GetLvalue(),
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetInit());
node.ReplaceBy(exp);
exp.Apply(this);
}
else
{
//Local decl
AMultiLocalDecl localDecl = new AMultiLocalDecl(node.GetConst(), LvalueToType(node.GetLvalue(), node.GetPostPointers(), node.GetGenericToken(), node.GetGenericTypes()),
new ArrayList());
while (node.GetLocalDeclRight().Count > 0)
{
localDecl.GetLocalDeclRight().Add(node.GetLocalDeclRight()[0]);
}
AExpStm expStm = Util.GetAncestor<AExpStm>(node);
ALocalDeclStm localDeclStm = new ALocalDeclStm(expStm.GetToken(), localDecl);
expStm.ReplaceBy(localDeclStm);
localDeclStm.Apply(this);
}
}
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 override void OutAShadySAssignmentExp(AShadySAssignmentExp node)
{
if (node.GetLocalDeclRight().Count == 1 &&
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetName() == null)
{
//Assignment expression
//an assignment can't be const);
//An assignment must have a right side
if (((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetInit() == null ||
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetAssignop() == null)
{
node.Parent().RemoveChild(node);
return;
}
ASAssignmentExp exp = new ASAssignmentExp(
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetAssignop(), node.GetLvalue(),
((AALocalDeclRight) node.GetLocalDeclRight()[0]).GetInit());
node.ReplaceBy(exp);
exp.Apply(this);
}
else
{
//Local decl
AMultiLocalDecl localDecl = new AMultiLocalDecl(node.GetConst(), LvalueToType(node.GetLvalue(), node.GetPostPointers(), node.GetGenericToken(), node.GetGenericTypes()),
new ArrayList());
while (node.GetLocalDeclRight().Count > 0)
{
localDecl.GetLocalDeclRight().Add(node.GetLocalDeclRight()[0]);
}
AExpStm expStm = Util.GetAncestor<AExpStm>(node);
ALocalDeclStm localDeclStm = new ALocalDeclStm(expStm.GetToken(), localDecl);
expStm.ReplaceBy(localDeclStm);
localDeclStm.Apply(this);
}
}
