public override string VisitInstruccionRsubCompleta([NotNull] SicAsmParser.InstruccionRsubCompletaContext context)
{
int cp = _program_counter;
string label = context.LABEL().GetText();
if (_first_inst_addr == -1)
{
_first_inst_addr = cp;
}
/* Si es primera pasada*/
if (_is_first_pass)
{
_lines_pc.Add(_line_count + 1, _program_counter);
if (!_symtab.ContainsKey(label))
{
_symtab.Add(label, _program_counter);
}
else
{
_program_counter += 3;
return("Error: símbolo \"" + label + "\" ya está definido.");
}
_program_counter += 3;
}
else
{
_lines_opcode.Add(_line_count + 1, _opcodes["RSUB"] + 0.ToString("X4"));
}
return("PC= " + cp + "Etiqueta: " + label + " Instruccion: RSUB");
}
/// <summary>
/// Exit a parse tree produced by the <c>InstruccionRsubCompleta</c>
/// labeled alternative in <see cref="SicAsmParser.inst"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitInstruccionRsubCompleta([NotNull] SicAsmParser.InstruccionRsubCompletaContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>InstruccionRsubCompleta</c>
/// labeled alternative in <see cref="SicAsmParser.inst"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitInstruccionRsubCompleta([NotNull] SicAsmParser.InstruccionRsubCompletaContext context)
{
return(VisitChildren(context));
}