// VarDecl ---
// Type t;
// Id var;
// Exp e;
public IrStmt visit(AstVarDecl n)
{
if (n.e != null)
{
IrExp id = n.var.accept(this);
IrExp e = n.e.accept(this);
return new IrMove(id, e);
}
return null;
}
// ************************************************
// * DECLARATIONS
// ************************************************
public void visit(AstVarDecl n) {
// need to check class existence if type is ObjType
// need to check init expr if it exists
if (null != (n.t as AstObjType))
// make sure type is defined
symTable.getClass(((AstObjType) n.t).cid);
if (n.e != null)
{
AstType t2 = n.e.accept(this);
if (!compatible(n.t,t2))
throw new TypeException("Incompatible types in VarDecl: " + n.t + " <- " + t2);
}
}
/* throws Exception */
// VarDecl ---
// Type t;
// Id var;
// Exp e;
public void visit(AstVarDecl n)
{
if (null != (n.t as AstObjType))
// make sure type is defined
symTable.GetClass(((AstObjType) n.t).cid);
if (n.e != null)
{
AstType t2 = n.e.accept(this);
if (!compatible(n.t,t2))
throw new TypeException("Incompatible types in VarDecl: " + n.t + " <- " + t2);
}
}
// VarDecl ---
// Type t;
// Id var;
// Exp e;
public void visit(AstVarDecl n)
{
if (currMethod != null)
{ // a local variable
if (currMethod.GetParam(n.var) != null)
throw new SymbolException(n.var.s + " already defined as a param");
currMethod.AddLocal(n.var, n.t);
}
else
{ // a class variable
currClass.AddClassVar(n.var, n.t, n.e);
}
}
public void Add(AstVarDecl n)
{
base.Add(n);
}
