229 lines
6.4 KiB
Text
229 lines
6.4 KiB
Text
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/* $NetBSD: parse.y,v 1.16 2012/03/06 16:55:18 mbalmer Exp $ */
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/*
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* Copyright 1997 Piermont Information Systems Inc.
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* All rights reserved.
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*
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* Written by Philip A. Nelson for Piermont Information Systems Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Piermont Information Systems Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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%{
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#include <stdio.h>
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#include "defs.h"
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static id_rec *cur_menu;
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static optn_info *cur_optn;
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%}
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%union {
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char *s_value;
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int i_value;
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optn_info *optn_value;
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action a_value;
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}
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%token <i_value> X Y W H NO BOX SUB HELP MENU NEXT EXIT ACTION ENDWIN OPTION
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%token <i_value> TITLE DEFAULT DISPLAY ERROR EXITSTRING ALLOW DYNAMIC MENUS
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SCROLLABLE SHORTCUT CLEAR MESSAGES ALWAYS SCROLL
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%token <s_value> STRING NAME CODE INT_CONST CHAR_CONST
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%type <s_value> init_code system helpstr text
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%type <optn_value> option option_list
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%type <i_value> act_opt
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%type <a_value> action exitact
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%start system
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%%
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system : init_code menu_list
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{ check_defined();
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if (!had_errors)
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write_menu_file($1);
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}
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;
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init_code : /* empty */ { $$ = ""; }
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| CODE
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;
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menu_list : /* empty */
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| menu_list menu_def
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| menu_list default_def
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| menu_list initerror_def
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| menu_list dynamic_def
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| menu_list msgxlat_def
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;
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dynamic_def : ALLOW DYNAMIC MENUS ';'
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{ do_dynamic = 1; }
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msgxlat_def : ALLOW DYNAMIC MESSAGES ';'
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{ do_msgxlat = 1; }
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initerror_def : ERROR action ';'
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{ error_act = $2; }
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default_def : DEFAULT
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{ cur_menu = &default_menu; }
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opt opt_list ";"
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menu_def : MENU NAME
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{ cur_menu = get_menu ($2);
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if (cur_menu->info != NULL)
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yyerror ("Menu %s defined twice", $2);
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else {
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cur_menu->info =
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(menu_info *) malloc (sizeof (menu_info));
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*(cur_menu->info) = default_info;
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}
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}
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opts ";" dispact option_list exitact helpstr
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{ optn_info *t;
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cur_menu->info->optns = NULL;
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while ($7 != NULL) {
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t = $7;
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$7 = $7->next;
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t->next = cur_menu->info->optns;
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cur_menu->info->optns = t;
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cur_menu->info->numopt++;
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}
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}
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;
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opts : /* empty */
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| opt_list
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;
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opt_list : "," opt
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| opt_list "," opt
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;
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text : NAME | STRING
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opt : NO EXIT { cur_menu->info->mopt |= MC_NOEXITOPT; }
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| EXIT { cur_menu->info->mopt &= ~MC_NOEXITOPT; }
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| NO BOX { cur_menu->info->mopt |= MC_NOBOX; }
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| BOX { cur_menu->info->mopt &= ~MC_NOBOX; }
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| NO SCROLLABLE { cur_menu->info->mopt &= ~MC_SCROLL; }
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| SCROLLABLE { cur_menu->info->mopt |= MC_SCROLL; }
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| NO SHORTCUT { cur_menu->info->mopt |= MC_NOSHORTCUT; }
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| SHORTCUT { cur_menu->info->mopt &= ~MC_NOSHORTCUT; }
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| NO CLEAR { cur_menu->info->mopt |= MC_NOCLEAR; }
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| CLEAR { cur_menu->info->mopt &= ~MC_NOCLEAR; }
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| NO DEFAULT EXIT { cur_menu->info->mopt &= ~MC_DFLTEXIT; }
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| DEFAULT EXIT { cur_menu->info->mopt |= MC_DFLTEXIT; }
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| NO ALWAYS SCROLL { cur_menu->info->mopt &= ~MC_ALWAYS_SCROLL; }
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| ALWAYS SCROLL { cur_menu->info->mopt |= MC_ALWAYS_SCROLL; }
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| NO SUB MENU { cur_menu->info->mopt &= ~MC_SUBMENU; }
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| SUB MENU { cur_menu->info->mopt |= MC_SUBMENU; }
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| X "=" INT_CONST { cur_menu->info->x = atoi($3); }
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| Y "=" INT_CONST { cur_menu->info->y = atoi($3); }
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| W "=" INT_CONST { cur_menu->info->w = atoi($3); }
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| H "=" INT_CONST { cur_menu->info->h = atoi($3); }
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| TITLE text { cur_menu->info->title = $2; }
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| EXITSTRING text { cur_menu->info->exitstr = $2;
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cur_menu->info->mopt &= ~MC_NOEXITOPT; }
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;
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option_list : option
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| option_list option { $2->next = $1; $$ = $2; }
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;
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option : OPTION
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{ cur_optn = (optn_info *) malloc (sizeof(optn_info));
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cur_optn->menu = -1;
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cur_optn->name = NULL;
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cur_optn->name_is_code = FALSE;
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cur_optn->issub = FALSE;
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cur_optn->doexit = FALSE;
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cur_optn->optact.code = "";
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cur_optn->optact.endwin = FALSE;
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cur_optn->next = NULL;
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}
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option_legend ","
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elem_list ";"
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{ $$ = cur_optn; }
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;
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option_legend : text { cur_optn->name = $1; }
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| CODE { cur_optn->name = $1; cur_optn->name_is_code = TRUE;}
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elem_list : elem
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| elem_list "," elem
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;
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elem : NEXT MENU NAME
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{ id_rec *t = get_menu ($3);
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if (cur_optn->menu != -1)
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yyerror ("Double sub/next menu definition");
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else {
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cur_optn->menu = t->menu_no;
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}
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}
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| SUB MENU NAME
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{ id_rec *t = get_menu ($3);
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if (cur_optn->menu != -1)
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yyerror ("Double sub/next menu definition");
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else {
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cur_optn->menu = t->menu_no;
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cur_optn->issub = TRUE;
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}
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}
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| action { cur_optn->optact = $1; }
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| EXIT { cur_optn->doexit = TRUE; }
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;
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action : ACTION act_opt CODE
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{ $$.code = $3;
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$$.endwin = $2;
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}
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;
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act_opt : /* empty */ { $$ = 0; }
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| "(" ENDWIN ")" { $$ = 1; }
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;
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dispact : /* empty */ { cur_menu->info->postact.code = ""; }
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| DISPLAY action ";" { cur_menu->info->postact = $2; }
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;
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exitact : /* empty */ { cur_menu->info->exitact.code = ""; }
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| EXIT action ";" { cur_menu->info->exitact = $2; }
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;
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helpstr : /* empty */ { cur_menu->info->helpstr = NULL; }
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| HELP CODE ";" { asprintf(&cur_menu->info->helpstr, "\"%s\"", $2); }
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| HELP text ";" { cur_menu->info->helpstr = $2; }
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;
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