1 /* $NetBSD: parse.y,v 1.19 2019/06/23 22:48:15 christos Exp $ */ 2 3 /* 4 * Copyright 1997 Piermont Information Systems Inc. 5 * All rights reserved. 6 * 7 * Written by Philip A. Nelson for Piermont Information Systems Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Piermont Information Systems Inc. may not be used to endorse 18 * or promote products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 36 %{ 37 38 #include <stdio.h> 39 #include "defs.h" 40 41 static id_rec *cur_menu; 42 static optn_info *cur_optn; 43 #define OPT_NOMENU 0 44 45 %} 46 47 %union { 48 char *s_value; 49 int i_value; 50 optn_info *optn_value; 51 action a_value; 52 } 53 54 55 %token <i_value> X Y W H NO BOX SUB HELP MENU NEXT EXIT ACTION ENDWIN OPTION 56 %token <i_value> TITLE DEFAULT DISPLAY ERROR EXITSTRING EXPAND ALLOW DYNAMIC 57 MENUS SCROLLABLE SHORTCUT CLEAR MESSAGES ALWAYS SCROLL 58 CONTINUOUS 59 %token <s_value> STRING NAME CODE INT_CONST CHAR_CONST 60 61 %type <s_value> init_code system helpstr text 62 %type <optn_value> option option_list 63 %type <i_value> act_opt 64 %type <a_value> action exitact 65 66 %start system 67 68 %% 69 70 system : init_code menu_list 71 { check_defined(); 72 if (!had_errors) 73 write_menu_file($1); 74 } 75 ; 76 77 init_code : /* empty */ { $$ = ""; } 78 | CODE 79 ; 80 81 menu_list : /* empty */ 82 | menu_list menu_def 83 | menu_list default_def 84 | menu_list initerror_def 85 | menu_list expand_def 86 | menu_list dynamic_def 87 | menu_list msgxlat_def 88 ; 89 90 dynamic_def : ALLOW DYNAMIC MENUS ';' 91 { do_dynamic = 1; } 92 93 expand_def : ALLOW EXPAND ';' 94 { do_expands = 1; } 95 96 msgxlat_def : ALLOW DYNAMIC MESSAGES ';' 97 { do_msgxlat = 1; } 98 99 initerror_def : ERROR action ';' 100 { error_act = $2; } 101 102 default_def : DEFAULT 103 { cur_menu = &default_menu; } 104 opt opt_list ";" 105 106 menu_def : MENU NAME 107 { cur_menu = get_menu ($2); 108 if (cur_menu->info != NULL) 109 yyerror ("Menu %s defined twice", $2); 110 else { 111 cur_menu->info = malloc (sizeof (menu_info)); 112 *(cur_menu->info) = default_info; 113 } 114 } 115 opts ";" expaction dispact option_list exitact helpstr 116 { optn_info *t; 117 cur_menu->info->optns = NULL; 118 while ($8 != NULL) { 119 t = $8; 120 $8 = $8->next; 121 t->next = cur_menu->info->optns; 122 cur_menu->info->optns = t; 123 cur_menu->info->numopt++; 124 } 125 } 126 ; 127 128 opts : /* empty */ 129 | opt_list 130 ; 131 132 opt_list : "," opt 133 | opt_list "," opt 134 ; 135 136 text : NAME | STRING 137 138 opt : NO EXIT { cur_menu->info->mopt |= MC_NOEXITOPT; } 139 | EXIT { cur_menu->info->mopt &= ~MC_NOEXITOPT; } 140 | NO BOX { cur_menu->info->mopt |= MC_NOBOX; } 141 | BOX { cur_menu->info->mopt &= ~MC_NOBOX; } 142 | NO SCROLLABLE { cur_menu->info->mopt &= ~MC_SCROLL; } 143 | SCROLLABLE { cur_menu->info->mopt |= MC_SCROLL; } 144 | NO SHORTCUT { cur_menu->info->mopt |= MC_NOSHORTCUT; } 145 | SHORTCUT { cur_menu->info->mopt &= ~MC_NOSHORTCUT; } 146 | NO CLEAR { cur_menu->info->mopt |= MC_NOCLEAR; } 147 | CLEAR { cur_menu->info->mopt &= ~MC_NOCLEAR; } 148 | NO DEFAULT EXIT { cur_menu->info->mopt &= ~MC_DFLTEXIT; } 149 | DEFAULT EXIT { cur_menu->info->mopt |= MC_DFLTEXIT; } 150 | NO ALWAYS SCROLL { cur_menu->info->mopt &= ~MC_ALWAYS_SCROLL; } 151 | ALWAYS SCROLL { cur_menu->info->mopt |= MC_ALWAYS_SCROLL; } 152 | NO SUB MENU { cur_menu->info->mopt &= ~MC_SUBMENU; } 153 | SUB MENU { cur_menu->info->mopt |= MC_SUBMENU; } 154 | CONTINUOUS TITLE { cur_menu->info->mopt |= MC_CONTINUOUS; } 155 | X "=" INT_CONST { cur_menu->info->x = atoi($3); } 156 | Y "=" INT_CONST { cur_menu->info->y = atoi($3); } 157 | W "=" INT_CONST { cur_menu->info->w = atoi($3); } 158 | H "=" INT_CONST { cur_menu->info->h = atoi($3); } 159 | TITLE text { cur_menu->info->title = $2; } 160 | EXITSTRING text { cur_menu->info->exitstr = $2; 161 cur_menu->info->mopt &= ~MC_NOEXITOPT; } 162 ; 163 164 option_list : option 165 | option_list option { $2->next = $1; $$ = $2; } 166 ; 167 168 option : OPTION 169 { cur_optn = calloc(1, sizeof(*cur_optn)); 170 cur_optn->optact.code = ""; 171 } 172 option_legend "," 173 elem_list ";" 174 { $$ = cur_optn; } 175 ; 176 177 option_legend : text { cur_optn->name = $1; } 178 | CODE { cur_optn->name = $1; cur_optn->name_is_code = TRUE;} 179 180 elem_list : elem 181 | elem_list "," elem 182 ; 183 184 elem : NEXT MENU NAME 185 { id_rec *t = get_menu ($3); 186 if (cur_optn->menu != OPT_NOMENU) 187 yyerror ("Double sub/next menu definition"); 188 else { 189 cur_optn->menu = t->menu_no; 190 } 191 } 192 | SUB MENU NAME 193 { id_rec *t = get_menu ($3); 194 if (cur_optn->menu != OPT_NOMENU) 195 yyerror ("Double sub/next menu definition"); 196 else { 197 cur_optn->menu = t->menu_no; 198 cur_optn->issub = TRUE; 199 } 200 } 201 | action { cur_optn->optact = $1; } 202 | EXIT { cur_optn->doexit = TRUE; } 203 ; 204 205 action : ACTION act_opt CODE 206 { $$.code = $3; 207 $$.endwin = $2; 208 } 209 ; 210 211 act_opt : /* empty */ { $$ = 0; } 212 | "(" ENDWIN ")" { $$ = 1; } 213 ; 214 215 expaction : /* empty */ { cur_menu->info->expact.code = ""; } 216 | EXPAND action ";" { if (!do_expands) yyerror ("Menu expands " 217 "not enabled"); 218 cur_menu->info->expact = $2; } 219 ; 220 221 dispact : /* empty */ { cur_menu->info->postact.code = ""; } 222 | DISPLAY action ";" { cur_menu->info->postact = $2; } 223 ; 224 225 226 exitact : /* empty */ { cur_menu->info->exitact.code = ""; } 227 | EXIT action ";" { cur_menu->info->exitact = $2; } 228 ; 229 230 helpstr : /* empty */ { cur_menu->info->helpstr = NULL; } 231 | HELP CODE ";" { asprintf(&cur_menu->info->helpstr, "\"%s\"", $2); } 232 | HELP text ";" { cur_menu->info->helpstr = $2; } 233 ; 234
Indexes created Sun Sep 21 15:09:59 GMT 2025