mirror of
https://git.code.sf.net/p/quake/game-source
synced 2024-11-29 15:12:00 +00:00
145 lines
3.2 KiB
Text
145 lines
3.2 KiB
Text
%{
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define YYDEBUG 1
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struct menu_entry {
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char *name;
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int impulse, bit;
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char *func_name;
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char *number_name;
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float price;
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char *price_name;
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char *code_activate;
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char *code_strings;
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unsigned int type;
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};
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#define MAX_MENU_ENTRIES 4096
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struct menu_entry menu_entries[MAX_MENU_ENTRIES];
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int menu_entries_count = 0;
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char *menu_name = NULL;
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static char *gen_funcname(const char *str);
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static char *gen_numbername(const char *str);
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static char *gen_pricename(const char *str);
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%}
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%union {
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char *string;
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char *code;
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float number;
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struct menu_entry *entry;
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}
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%token STRING NUMBER TOK_DEFAULT CODE TOKEN
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%type <string> STRING TOKEN
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%type <number> NUMBER
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%type <code> TOK_DEFAULT CODE code
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%type <entry> entry
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%%
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file: /* empty */ { menu_name = NULL; }
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| { menu_entries_count = 0; } TOKEN '\n' menu_entries { menu_name = $2; YYACCEPT; }
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;
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menu_entries: exp_entry {}
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| menu_entries exp_entry {}
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;
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exp_entry: entry { $1->impulse = 0; }
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| NUMBER entry { $2->impulse = $1; }
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;
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entry: STRING code code '\n' {
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if (menu_entries_count >= MAX_MENU_ENTRIES) YYERROR;
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memset(&menu_entries[menu_entries_count], 0, sizeof(*menu_entries));
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menu_entries[menu_entries_count].name = $1;
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menu_entries[menu_entries_count].func_name = gen_funcname($1);
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menu_entries[menu_entries_count].code_activate = $2;
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menu_entries[menu_entries_count].code_strings = $3;
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menu_entries[menu_entries_count].type = $2?1:0;
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$$ = &menu_entries[menu_entries_count];
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menu_entries_count++;
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}
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| STRING NUMBER code code '\n' {
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if (menu_entries_count >= MAX_MENU_ENTRIES) YYERROR;
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memset(&menu_entries[menu_entries_count], 0, sizeof(*menu_entries));
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menu_entries[menu_entries_count].name = $1;
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menu_entries[menu_entries_count].func_name = gen_funcname($1);
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menu_entries[menu_entries_count].number_name = gen_numbername($1);
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menu_entries[menu_entries_count].price = $2;
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menu_entries[menu_entries_count].price_name = gen_pricename($1);
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menu_entries[menu_entries_count].code_activate = $3;
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menu_entries[menu_entries_count].code_strings = $4;
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menu_entries[menu_entries_count].type = 2;
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$$ = &menu_entries[menu_entries_count];
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menu_entries_count++;
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}
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;
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code: /* empty */ { $$ = NULL; }
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| TOK_DEFAULT
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| CODE
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;
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%%
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static char *gen_funcname(const char *str) {
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char *ret, *t, ch;
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ret = malloc(strlen(str) + 8 + 1);
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strcpy(ret, "k_menup_");
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for (t = ret + 8; *str; t++, str++) {
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ch = *str & ~0x80;
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if (ch >= 'A' && ch <= 'Z')
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*t = ch | 0x20;
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else if ((ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9'))
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*t = ch;
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else
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*t = '_';
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}
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*t = '\0';
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return ret;
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}
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static char *gen_numbername(const char *str) {
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char *ret, *t, ch;
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ret = malloc(strlen(str) + 2 + 6/* for _PRICE */ + 1);
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strcpy(ret, "K_");
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for (t = ret + 2; *str; t++, str++) {
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ch = *str & ~0x80;
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if (ch >= 'a' && ch <= 'z')
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*t = ch & ~0x20;
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else if ((ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9'))
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*t = ch;
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else
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*t = '_';
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}
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*t = '\0';
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return ret;
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}
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static char *gen_pricename(const char *str) {
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char *ret;
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ret = gen_numbername(str);
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strcat(ret, "_PRICE");
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return ret;
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}
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yyerror(char *s) {
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fprintf(stderr, "Parse error 000D!\n");
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exit(-1);
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}
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