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)); }