zconf.tab.c_shipped

這是一個實時嵌入式作業系統 實作了MCS51 ARM等MCU

  YYSTYPE yyval;


  /* When reducing, the number of symbols on the RHS of the reduced
     rule.  */
  int yylen;

  YYDPRINTF ((stderr, "Starting parse\n"));

  yystate = 0;
  yyerrstatus = 0;
  yynerrs = 0;
  yychar = YYEMPTY;		/* Cause a token to be read.  */

  /* Initialize stack pointers.
     Waste one element of value and location stack
     so that they stay on the same level as the state stack.
     The wasted elements are never initialized.  */

  yyssp = yyss;
  yyvsp = yyvs;

  goto yysetstate;

/*------------------------------------------------------------.
| yynewstate -- Push a new state, which is found in yystate.  |
`------------------------------------------------------------*/
 yynewstate:
  /* In all cases, when you get here, the value and location stacks
     have just been pushed. so pushing a state here evens the stacks.
     */
  yyssp++;

 yysetstate:
  *yyssp = yystate;

  if (yyss + yystacksize - 1 <= yyssp)
    {
      /* Get the current used size of the three stacks, in elements.  */
      YYSIZE_T yysize = yyssp - yyss + 1;

#ifdef yyoverflow
      {
	/* Give user a chance to reallocate the stack. Use copies of
	   these so that the &'s don't force the real ones into
	   memory.  */
	YYSTYPE *yyvs1 = yyvs;
	short *yyss1 = yyss;


	/* Each stack pointer address is followed by the size of the
	   data in use in that stack, in bytes.  This used to be a
	   conditional around just the two extra args, but that might
	   be undefined if yyoverflow is a macro.  */
	yyoverflow ("parser stack overflow",
		    &yyss1, yysize * sizeof (*yyssp),
		    &yyvs1, yysize * sizeof (*yyvsp),

		    &yystacksize);

	yyss = yyss1;
	yyvs = yyvs1;
      }
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
      goto yyoverflowlab;
# else
      /* Extend the stack our own way.  */
      if (YYMAXDEPTH <= yystacksize)
	goto yyoverflowlab;
      yystacksize *= 2;
      if (YYMAXDEPTH < yystacksize)
	yystacksize = YYMAXDEPTH;

      {
	short *yyss1 = yyss;
	union yyalloc *yyptr =
	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
	if (! yyptr)
	  goto yyoverflowlab;
	YYSTACK_RELOCATE (yyss);
	YYSTACK_RELOCATE (yyvs);

#  undef YYSTACK_RELOCATE
	if (yyss1 != yyssa)
	  YYSTACK_FREE (yyss1);
      }
# endif
#endif /* no yyoverflow */

      yyssp = yyss + yysize - 1;
      yyvsp = yyvs + yysize - 1;


      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
		  (unsigned long int) yystacksize));

      if (yyss + yystacksize - 1 <= yyssp)
	YYABORT;
    }

  YYDPRINTF ((stderr, "Entering state %d\n", yystate));

  goto yybackup;

/*-----------.
| yybackup.  |
`-----------*/
yybackup:

/* Do appropriate processing given the current state.  */
/* Read a lookahead token if we need one and don't already have one.  */
/* yyresume: */

  /* First try to decide what to do without reference to lookahead token.  */

  yyn = yypact[yystate];
  if (yyn == YYPACT_NINF)
    goto yydefault;

  /* Not known => get a lookahead token if don't already have one.  */

  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
  if (yychar == YYEMPTY)
    {
      YYDPRINTF ((stderr, "Reading a token: "));
      yychar = YYLEX;
    }

  if (yychar <= YYEOF)
    {
      yychar = yytoken = YYEOF;
      YYDPRINTF ((stderr, "Now at end of input.\n"));
    }
  else
    {
      yytoken = YYTRANSLATE (yychar);
      YYDSYMPRINTF ("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;
  yyn = yytable[yyn];
  if (yyn <= 0)
    {
      if (yyn == 0 || yyn == YYTABLE_NINF)
	goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }

  if (yyn == YYFINAL)
    YYACCEPT;

  /* Shift the lookahead token.  */
  YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));

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

  *++yyvsp = yylval;


  /* 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:
  /* yyn is the number of a rule to reduce with.  */
  yylen = yyr2[yyn];

  /* If YYLEN is nonzero, implement the default value of the action:
     `$$ = $1'.

     Otherwise, the following line sets YYVAL to garbage.
     This behavior is undocumented and Bison
     users should not rely upon it.  Assigning to YYVAL
     unconditionally makes the parser a bit smaller, and it avoids a
     GCC warning that YYVAL may be used uninitialized.  */
  yyval = yyvsp[1-yylen];


  YY_REDUCE_PRINT (yyn);
  switch (yyn)
    {
        case 8:

    { zconfprint("unexpected 'endmenu' statement"); ;}
    break;

  case 9:

    { zconfprint("unexpected 'endif' statement"); ;}
    break;

  case 10:

    { zconfprint("unexpected 'endchoice' statement"); ;}
    break;

  case 11:

    { zconfprint("syntax error"); yyerrok; ;}
    break;

  case 18:

    {
	struct symbol *sym = sym_lookup(yyvsp[-1].string, 0);
	sym->flags |= SYMBOL_OPTIONAL;
	menu_add_entry(sym);
	printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), yyvsp[-1].string);
;}
    break;

  case 19:

    {
	menu_end_entry();
	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 20:

    {
	struct symbol *sym = sym_lookup(yyvsp[-1].string, 0);
	sym->flags |= SYMBOL_OPTIONAL;
	menu_add_entry(sym);
	printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), yyvsp[-1].string);
;}
    break;

  case 21:

    {
	if (current_entry->prompt)
		current_entry->prompt->type = P_MENU;
	else
		zconfprint("warning: menuconfig statement without prompt");
	menu_end_entry();
	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 27:

    {
	menu_set_type(S_TRISTATE);
	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 28:

    {
	menu_add_expr(P_DEFAULT, yyvsp[-2].expr, yyvsp[-1].expr);
	menu_set_type(S_TRISTATE);
	printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 29:

    {
	menu_set_type(S_BOOLEAN);
	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 30:

    {
	menu_add_expr(P_DEFAULT, yyvsp[-2].expr, yyvsp[-1].expr);
	menu_set_type(S_BOOLEAN);
	printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 31:

    {
	menu_set_type(S_INT);
	printd(DEBUG_PARSE, "%s:%d:int\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 32:

    {
	menu_set_type(S_HEX);
	printd(DEBUG_PARSE, "%s:%d:hex\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 33:

    {
	menu_set_type(S_STRING);
	printd(DEBUG_PARSE, "%s:%d:string\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 34:

    {
	menu_add_prompt(P_PROMPT, yyvsp[-2].string, yyvsp[-1].expr);
	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 35:

    {
	menu_add_expr(P_DEFAULT, yyvsp[-2].expr, yyvsp[-1].expr);
	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 36:

    {
	menu_add_symbol(P_SELECT, sym_lookup(yyvsp[-2].string, 0), yyvsp[-1].expr);
	printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 37:

    {
	menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,yyvsp[-3].symbol, yyvsp[-2].symbol), yyvsp[-1].expr);
	printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 38:

    {
	struct symbol *sym = sym_lookup(NULL, 0);
	sym->flags |= SYMBOL_CHOICE;
	menu_add_entry(sym);
	menu_add_expr(P_CHOICE, NULL, NULL);
	printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 39:

    {
	menu_end_entry();
	menu_add_menu();
;}
    break;

  case 40:

    {
	if (zconf_endtoken(yyvsp[0].token, T_CHOICE, T_ENDCHOICE)) {
		menu_end_menu();
		printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
	}
;}
    break;

  case 42:

    {
	printf("%s:%d: missing 'endchoice' for this 'choice' statement\n", current_menu->file->name, current_menu->lineno);
	zconfnerrs++;
;}
    break;

  case 48:

    {
	menu_add_prompt(P_PROMPT, yyvsp[-2].string, yyvsp[-1].expr);
	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 49:

    {
	menu_set_type(S_TRISTATE);
	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 50:

    {
	menu_set_type(S_BOOLEAN);
	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 51:

    {
	current_entry->sym->flags |= SYMBOL_OPTIONAL;
	printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 52:

    {
	menu_add_symbol(P_DEFAULT, sym_lookup(yyvsp[-2].string, 0), yyvsp[-1].expr);
	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 55:

    {
	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
	menu_add_entry(NULL);
	menu_add_dep(yyvsp[-1].expr);
	menu_end_entry();
	menu_add_menu();
;}
    break;

  case 56:

    {
	if (zconf_endtoken(yyvsp[0].token, T_IF, T_ENDIF)) {
		menu_end_menu();
		printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
	}
;}
    break;

  case 58:

    {
	printf("%s:%d: missing 'endif' for this 'if' statement\n", current_menu->file->name, current_menu->lineno);
	zconfnerrs++;
;}
    break;

  case 63:

    {
	menu_add_entry(NULL);
	menu_add_prop(P_MENU, yyvsp[-1].string, NULL, NULL);
	printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 64:

    {
	menu_end_entry();
	menu_add_menu();
;}
    break;

  case 65:

    {
	if (zconf_endtoken(yyvsp[0].token, T_MENU, T_ENDMENU)) {
		menu_end_menu();
		printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
	}
;}
    break;

  case 67:

    {
	printf("%s:%d: missing 'endmenu' for this 'menu' statement\n", current_menu->file->name, current_menu->lineno);
	zconfnerrs++;
;}
    break;

  case 72:

    { zconfprint("invalid menu option"); yyerrok; ;}
    break;

  case 73:

    {
	yyval.string = yyvsp[-1].string;
	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), yyvsp[-1].string);
;}
    break;

  case 74:

    {
	zconf_nextfile(yyvsp[0].string);
;}
    break;

  case 75:

    {
	menu_add_entry(NULL);
	menu_add_prop(P_COMMENT, yyvsp[-1].string, NULL, NULL);
	printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
;}
    break;

  case 76:

    {
	menu_end_entry();
;}
    break;