fcl-parser.cc

parse fuzzy contrl language file

	yytoken = yytranslate_ (yychar);
	YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
      }

    /* If the proper action on seeing token YYTOKEN is to reduce or to
       detect an error, take that action.  */
    yyn += yytoken;
    if (yyn < 0 || yylast_ < yyn || yycheck_[yyn] != yytoken)
      goto yydefault;

    /* Reduce or error.  */
    yyn = yytable_[yyn];
    if (yyn <= 0)
      {
	if (yyn == 0 || yyn == yytable_ninf_)
	goto yyerrlab;
	yyn = -yyn;
	goto yyreduce;
      }

    /* Accept?  */
    if (yyn == yyfinal_)
      goto yyacceptlab;

    /* Shift the look-ahead token.  */
    YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);

    /* Discard the token being shifted unless it is eof.  */
    if (yychar != yyeof_)
      yychar = yyempty_;

    yysemantic_stack_.push (yylval);
    yylocation_stack_.push (yylloc);

    /* Count tokens shifted since error; after three, turn off error
       status.  */
    if (yyerrstatus_)
      --yyerrstatus_;

    yystate = yyn;
    goto yynewstate;

  /*-----------------------------------------------------------.
  | yydefault -- do the default action for the current state.  |
  `-----------------------------------------------------------*/
  yydefault:
    yyn = yydefact_[yystate];
    if (yyn == 0)
      goto yyerrlab;
    goto yyreduce;

  /*-----------------------------.
  | yyreduce -- Do a reduction.  |
  `-----------------------------*/
  yyreduce:
    yylen = yyr2_[yyn];
    /* If YYLEN is nonzero, implement the default value of the action:
       `$$ = $1'.  Otherwise, use the top of the stack.

       Otherwise, the following line sets YYVAL to garbage.
       This behavior is undocumented and Bison
       users should not rely upon it.  */
    if (yylen)
      yyval = yysemantic_stack_[yylen - 1];
    else
      yyval = yysemantic_stack_[0];

    {
      slice<location_type, location_stack_type> slice (yylocation_stack_, yylen);
      YYLLOC_DEFAULT (yyloc, slice, yylen);
    }
    YY_REDUCE_PRINT (yyn);
    switch (yyn)
      {
	  case 3:
#line 7549 "../../doc/bison.texinfo"
    {
		std::cout << "Creacion satisfactoria de modelo difuso:" << std::endl;
	;}
    break;

  case 5:
#line 7560 "../../doc/bison.texinfo"
    {
		std::string fuzzyName = *(yysemantic_stack_[(2) - (2)].sval);
		std::cout << "Creando el modelo difuso: " << fuzzyName << endl;		
	;}
    break;

  case 10:
#line 7580 "../../doc/bison.texinfo"
    {
		std::string varName = *(yysemantic_stack_[(4) - (1)].sval);
	;}
    break;

  case 13:
#line 7593 "../../doc/bison.texinfo"
    {
		std::string varName = *(yysemantic_stack_[(4) - (1)].sval);
	;}
    break;

  case 17:
#line 7608 "../../doc/bison.texinfo"
    {
		string varName = *(yysemantic_stack_[(2) - (2)].sval);
	;}
    break;


    /* Line 675 of lalr1.cc.  */
#line 446 "fcl-parser.cc"
	default: break;
      }
    YY_SYMBOL_PRINT ("-> $$ =", yyr1_[yyn], &yyval, &yyloc);

    yypop_ (yylen);
    yylen = 0;
    YY_STACK_PRINT ();

    yysemantic_stack_.push (yyval);
    yylocation_stack_.push (yyloc);

    /* Shift the result of the reduction.  */
    yyn = yyr1_[yyn];
    yystate = yypgoto_[yyn - yyntokens_] + yystate_stack_[0];
    if (0 <= yystate && yystate <= yylast_
	&& yycheck_[yystate] == yystate_stack_[0])
      yystate = yytable_[yystate];
    else
      yystate = yydefgoto_[yyn - yyntokens_];
    goto yynewstate;

  /*------------------------------------.
  | yyerrlab -- here on detecting error |
  `------------------------------------*/
  yyerrlab:
    /* If not already recovering from an error, report this error.  */
    if (!yyerrstatus_)
      {
	++yynerrs_;
	error (yylloc, yysyntax_error_ (yystate, yytoken));
      }

    yyerror_range[0] = yylloc;
    if (yyerrstatus_ == 3)
      {
	/* If just tried and failed to reuse look-ahead token after an
	 error, discard it.  */

	if (yychar <= yyeof_)
	  {
	  /* Return failure if at end of input.  */
	  if (yychar == yyeof_)
	    YYABORT;
	  }
	else
	  {
	    yydestruct_ ("Error: discarding", yytoken, &yylval, &yylloc);
	    yychar = yyempty_;
	  }
      }

    /* Else will try to reuse look-ahead token after shifting the error
       token.  */
    goto yyerrlab1;


  /*---------------------------------------------------.
  | yyerrorlab -- error raised explicitly by YYERROR.  |
  `---------------------------------------------------*/
  yyerrorlab:

    /* Pacify compilers like GCC when the user code never invokes
       YYERROR and the label yyerrorlab therefore never appears in user
       code.  */
    if (false)
      goto yyerrorlab;

    yyerror_range[0] = yylocation_stack_[yylen - 1];
    /* Do not reclaim the symbols of the rule which action triggered
       this YYERROR.  */
    yypop_ (yylen);
    yylen = 0;
    yystate = yystate_stack_[0];
    goto yyerrlab1;

  /*-------------------------------------------------------------.
  | yyerrlab1 -- common code for both syntax error and YYERROR.  |
  `-------------------------------------------------------------*/
  yyerrlab1:
    yyerrstatus_ = 3;	/* Each real token shifted decrements this.  */

    for (;;)
      {
	yyn = yypact_[yystate];
	if (yyn != yypact_ninf_)
	{
	  yyn += yyterror_;
	  if (0 <= yyn && yyn <= yylast_ && yycheck_[yyn] == yyterror_)
	    {
	      yyn = yytable_[yyn];
	      if (0 < yyn)
		break;
	    }
	}

	/* Pop the current state because it cannot handle the error token.  */
	if (yystate_stack_.height () == 1)
	YYABORT;

	yyerror_range[0] = yylocation_stack_[0];
	yydestruct_ ("Error: popping",
		     yystos_[yystate],
		     &yysemantic_stack_[0], &yylocation_stack_[0]);
	yypop_ ();
	yystate = yystate_stack_[0];
	YY_STACK_PRINT ();
      }

    if (yyn == yyfinal_)
      goto yyacceptlab;

    yyerror_range[1] = yylloc;
    // Using YYLLOC is tempting, but would change the location of
    // the look-ahead.  YYLOC is available though.
    YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
    yysemantic_stack_.push (yylval);
    yylocation_stack_.push (yyloc);

    /* Shift the error token.  */
    YY_SYMBOL_PRINT ("Shifting", yystos_[yyn],
		   &yysemantic_stack_[0], &yylocation_stack_[0]);

    yystate = yyn;
    goto yynewstate;

    /* Accept.  */
  yyacceptlab:
    yyresult = 0;
    goto yyreturn;

    /* Abort.  */
  yyabortlab:
    yyresult = 1;
    goto yyreturn;

  yyreturn:
    if (yychar != yyeof_ && yychar != yyempty_)
      yydestruct_ ("Cleanup: discarding lookahead", yytoken, &yylval, &yylloc);

    /* Do not reclaim the symbols of the rule which action triggered
       this YYABORT or YYACCEPT.  */
    yypop_ (yylen);
    while (yystate_stack_.height () != 1)
      {
	yydestruct_ ("Cleanup: popping",
		   yystos_[yystate_stack_[0]],
		   &yysemantic_stack_[0],
		   &yylocation_stack_[0]);
	yypop_ ();
      }

    return yyresult;
  }

  // Generate an error message.
  std::string
  fcl_parser::yysyntax_error_ (int yystate, int tok)
  {
    std::string res;
    YYUSE (yystate);
#if YYERROR_VERBOSE
    int yyn = yypact_[yystate];
    if (yypact_ninf_ < yyn && yyn <= yylast_)
      {
	/* Start YYX at -YYN if negative to avoid negative indexes in
	   YYCHECK.  */
	int yyxbegin = yyn < 0 ? -yyn : 0;

	/* Stay within bounds of both yycheck and yytname.  */
	int yychecklim = yylast_ - yyn + 1;
	int yyxend = yychecklim < yyntokens_ ? yychecklim : yyntokens_;
	int count = 0;
	for (int x = yyxbegin; x < yyxend; ++x)
	  if (yycheck_[x + yyn] == x && x != yyterror_)
	    ++count;

	// FIXME: This method of building the message is not compatible
	// with internationalization.  It should work like yacc.c does it.
	// That is, first build a string that looks like this:
	// "syntax error, unexpected %s or %s or %s"
	// Then, invoke YY_ on this string.
	// Finally, use the string as a format to output
	// yytname_[tok], etc.
	// Until this gets fixed, this message appears in English only.
	res = "syntax error, unexpected ";
	res += yytnamerr_ (yytname_[tok]);
	if (count < 5)
	  {
	    count = 0;
	    for (int x = yyxbegin; x < yyxend; ++x)
	      if (yycheck_[x + yyn] == x && x != yyterror_)
		{
		  res += (!count++) ? ", expecting " : " or ";
		  res += yytnamerr_ (yytname_[x]);
		}
	  }
      }
    else
#endif
      res = YY_("syntax error");
    return res;
  }


  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
     STATE-NUM.  */
  const signed char fcl_parser::yypact_ninf_ = -51;
  const signed char
  fcl_parser::yypact_[] =
  {
       -51,    24,   -51,   -26,    34,   -51,   -51,   -51,    36,     0,
      39,     8,    -7,   -51,     3,   -51,    26,   -51,    14,    45,
     -51,   -51,     6,   -51,    -8,   -51,    12,    10,    33,    33,
      11,   -51,   -51,   -51,    15,    -6,   -51,    20,    46,    46,
     -23,    23,   -51,   -51,    18,    17,    16,   -51,    19,    22,
      25,    42,    27,    28,    30,   -51,   -51,    31,    55,   -14,
     -11,    32,    44,   -51,    29,   -39,    -2,   -51,   -51,   -51,
     -51,    35,   -51,   -51,   -51,    37,    13,    40,    49,    38,
      41,   -51,    43,   -51,    47,   -51,   -51,   -51,   -51,   -51,