public object VisitConstDeclAST([NotNull] ConstDeclASTContext context)
{
string varName = context.ident().GetText();
string scope = "LOCAL";
if (context.Parent is ProgramASTContext)
{
scope = "GLOBAL";
}
string type = Visit(context.type()) as string;
string declCode = $"PUSH_{scope}_{type} {varName}";
AddLine(declCode);
if (scope.Equals("LOCAL"))
{
scope = "FAST";
}
string constT;
if (context.NUM() != null)
{
constT = context.NUM().GetText();
}
else if (context.CHARCONST() != null)
{
constT = context.CHARCONST().GetText();
}
else
{
constT = context.STRING().GetText();
}
string loadCode = $"LOAD_CONST {constT}";
AddLine(loadCode);
string assignCode = $"STORE_{scope} {varName}";
AddLine(assignCode);
WhiteLine();
return(null);
}
public object VisitConstDeclAST([NotNull] ConstDeclASTContext context)
{
string type = (string)Visit(context.type());
if (type != null)
{
if (type != "int" && type != "char")
{
InsertError(context.Start,
"Los tipo para una constante solo pueden ser int o char");
return(null);
}
IdentASTContext ident = (IdentASTContext)Visit(context.ident());
if (ident != null)
{
if (!ExistIdent(ident.IDENT().Symbol.Text, true))
{
Identifier identifier = new ConstIdentifier(ident.IDENT().GetText(), ident.IDENT().Symbol, identificationTable.getLevel(), type, context);
identificationTable.Insert(identifier);
if ((context.NUM() != null &&
((context.NUM().GetText().Split('.').Length > 1 && type != "float") ||
(context.NUM().GetText().Split('.').Length == 1 && type != "int")))
||
(context.STRING() != null && type != "string") ||
(context.CHARCONST() != null && type != "char"))
{
InsertError(context.EQUAL().Symbol,
"El tipo para la constante " + ident.GetText() + " no coincide con el tipo de " + context.GetText().Split('=').Last());
}
}
else
{
InsertError(ident.IDENT().Symbol, "El identificador " + ident.IDENT().Symbol.Text + " ya fue declarado en este scope");
}
}
}
return(null);
}