public string Visit(Class_Def node)
{
current_type = Types_Cool[node.type.s];
// Formando el metodo init
method = new Current_Method();
string father = Types_Cool[node.type.s].Father.Name;
if (father != "IO" && father != "Object")
{
string f = method.Add_local("father", true);
method.Add_Instruction(new CIL_Allocate(f, father));
method.Add_Instruction(new CIL_VCall(f, father, "__init", new List <string> {
f
}));
foreach (string attr in Types[father].Attributes)
{
string a = method.Add_local("attr", true);
method.Add_Instruction(new CIL_GetAttr(a, new CIL_MyVar(f, father), attr));
method.Add_Instruction(new CIL_SetAttr(new CIL_MyVar("this", node.type.s), attr, a));
}
}
foreach (var attr in node.attr.list_Node)
{
attr.Visit(this);
}
method.Add_Instruction(new CIL_Return("this"));
string mtdName = "__init_" + node.type.s;
Code.Add(mtdName, new CIL_Function(mtdName, new List <string>(), new List <string>(method.locals.Values), method.body));
foreach (Method_Def item in node.method.list_Node)
{
Visit(item);
}
return("");
}
public string Visit(Str node)
{
if (!Data.ContainsKey(node.s))
{
string v = take_data.take(method.current_scope.id);
Data.Add(node.s, v);
}
var exp = method.Add_local("exp", true);
method.Add_Instruction(new CIL_Load(exp, Data[node.s]));
return(exp);
}
public string Visit(Attr_Def node)
{
var exp = "";
if (node.exp == null)
{
if (node.type.s == "Int")
{
exp = new Const("0").Visit(this);
}
else if (node.type.s == "String")
{
exp = method.Add_local("expr", true);
method.Add_Instruction(new CIL_Load(exp, Data[""]));
}
else if (node.type.s == "Bool")
{
exp = new Const("false").Visit(this);
}
else
{
exp = "void";
}
}
else
{
exp = node.exp.Visit(this);
}
method.Add_Instruction(new CIL_SetAttr(new CIL_MyVar("this", current_type.Name), node.name.name, exp));
return("");
}