469 lines
9.3 KiB
C
469 lines
9.3 KiB
C
/***************************************************************************
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gbc_reserved_make.c
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(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#define __GBC_RESERVED_MAKE_C
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#define PROJECT_COMP
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#include <ctype.h>
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#include <errno.h>
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#include "gb_common.h"
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#include "gb_reserved.h"
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#include "gb_type_common.h"
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#include "gb_pcode.h"
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#include "gb_reserved_keyword.h"
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#define HASH_SIZE 109
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/*uint hash(const char *key, int len)
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{
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int i;
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uint h = 0;
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for (i = 0; i < len; i++)
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h = (h << 4) + (h ^ (tolower(key[i])));
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return h % HASH_SIZE;
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}*/
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char buffer[1024];
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char *read_line(FILE *f)
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{
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return fgets(buffer, sizeof(buffer), f);
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}
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void read_write_until(FILE *in, FILE *out, char *until)
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{
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char *line;
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for(;;)
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{
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line = read_line(in);
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if (!line)
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break;
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if (out) fputs(line, out);
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while (*line && ((unsigned char)*line <= ' '))
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line++;
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if (!strncmp(line, until, strlen(until)))
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break;
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}
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}
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#if 0
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int main(int argc, char **argv)
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{
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COMP_INFO *info;
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SUBR_INFO *subr;
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int len;
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int i, p, n;
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uint h;
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char c;
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char last[16];
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char next[16];
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FILE *in, *out;
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in = fopen("../share/gb_reserved_temp.h", "r");
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if (!in)
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{
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fprintf(stderr, "unable to open '../share/gb_reserved_temp.h': %s\n", strerror(errno));
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exit(1);
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}
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out = fopen("../share/gb_reserved_temp.h.tmp", "w");
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read_write_until(in, out, "int RESERVED_find_word(const char *word, int len)");
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read_write_until(in, out, "static void *jump[] = {");
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for (h = 0; h < 12; h++)
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{
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if ((h % 8) == 0)
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fprintf(out, "\t\t");
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fprintf(out, "&&__%02d, ", h);
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if ((h % 8) == 7)
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fprintf(out, "\n");
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}
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fprintf(out, "\n\t};\n\n");
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//printf(" goto *jump[h %% %d];\n\n", HASH_SIZE);
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fprintf(out, "\tgoto *jump[len];\n\n");
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fprintf(out, "__00:\n__01:\n\treturn -1;\n");
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for (h = 2; h < 12; h++)
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{
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fprintf(out, "__%02d:\n", h);
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*last = 0;
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for(;;)
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{
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n = -1;
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*next = 0;
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for (info = &COMP_res_info[1], i = 1; info->name; info++, i++)
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{
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len = strlen(info->name);
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if (len != h)
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continue;
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if (strcmp(info->name, last) <= 0)
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continue;
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if (*next == 0 || strcmp(info->name, next) <= 0)
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{
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strcpy(next, info->name);
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n = i;
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}
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}
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if (n < 0)
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break;
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info = &COMP_res_info[n];
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len = strlen(info->name);
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strcpy(last, info->name);
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fprintf(out, "\tif (");
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for (p = 0; p < len; p++)
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{
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if (p)
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fprintf(out, " && ");
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c = info->name[p];
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if (isalpha(c))
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fprintf(out, "tolower(word[%d]) == '%c'", p, tolower(info->name[p]));
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else if (c == '\\')
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fprintf(out, "word[%d] == '\\\\'", p);
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else
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fprintf(out, "word[%d] == '%c'", p, info->name[p]);
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}
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/*printf(" if (!strncmp(\"");
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for (p = 0; p < len; p++)
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{
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c = info->name[p];
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if (c == '\\')
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printf("\\\\");
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else
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putchar(tolower(info->name[p]));
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}
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printf("\", word, %d)", len);*/
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fprintf(out, ") return %d;\n", n);
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}
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fprintf(out, "\treturn -1;\n");
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}
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read_write_until(in, NULL, "}");
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read_write_until(in, NULL, "}");
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fprintf(out, "}\n");
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read_write_until(in, out, "static void *jump[] = {");
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for (h = 0; h < 12; h++)
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{
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if ((h % 8) == 0)
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fprintf(out, "\t\t");
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fprintf(out, "&&__%02d, ", h);
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if ((h % 8) == 7)
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fprintf(out, "\n");
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}
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fprintf(out, "\n\t};\n\n");
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fprintf(out, "\tgoto *jump[len];\n\n");
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fprintf(out, "__00:\n__01:\n\treturn -1;\n");
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for (h = 2; h < 12; h++)
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{
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fprintf(out, "__%02d:\n", h);
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*last = 0;
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for(;;)
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{
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n = -1;
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*next = 0;
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for (subr = &COMP_subr_info[0], i = 0; subr->name; subr++, i++)
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{
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len = strlen(subr->name);
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if (len != h)
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continue;
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if (strcmp(subr->name, last) <= 0)
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continue;
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if (*next == 0 || strcmp(subr->name, next) <= 0)
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{
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strcpy(next, subr->name);
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n = i;
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}
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}
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if (n < 0)
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break;
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subr = &COMP_subr_info[n];
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len = strlen(subr->name);
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strcpy(last, subr->name);
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fprintf(out, "\tif ("); //COMPARE_%d(\"%s\", word)) return %d;\n", len, len, info->name, i);
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for (p = 0; p < len; p++)
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{
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if (p)
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fprintf(out, " && ");
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c = subr->name[p];
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if (isalpha(c))
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fprintf(out, "tolower(word[%d]) == '%c'", p, tolower(subr->name[p]));
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else if (c == '\\')
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fprintf(out, "word[%d] == '\\\\'", p);
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else
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fprintf(out, "word[%d] == '%c'", p, subr->name[p]);
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}
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fprintf(out, ") return %d;\n", n);
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}
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fprintf(out, "\treturn -1;\n");
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}
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fprintf(out, "}\n");
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fclose(in);
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fclose(out);
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unlink("../share/gb_reserved_temp.h");
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rename("../share/gb_reserved_temp.h.tmp", "../share/gb_reserved_temp.h");
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return 0;
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}
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#endif
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static int compare_name(const char *name1, const char* name2)
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{
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int l1 = strlen(name1);
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int l2 = strlen(name2);
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if (l1 < l2)
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return -1;
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if (l1 > l2)
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return 1;
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return strcasecmp(name1, name2);
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}
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int main(int argc, char **argv)
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{
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COMP_INFO *info;
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SUBR_INFO *subr;
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int len;
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int i, p, n;
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uint h;
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char c;
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char last[16];
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char next[16];
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FILE *in, *out;
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in = fopen("../share/gb_reserved_temp.h", "r");
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if (!in)
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{
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fprintf(stderr, "unable to open '../share/gb_reserved_temp.h': %s\n", strerror(errno));
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exit(1);
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}
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out = fopen("../share/gb_reserved_temp.h.tmp", "w");
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read_write_until(in, out, "int RESERVED_find_word(const char *word, int len)");
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read_write_until(in, out, "static void *jump[] = {");
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for (h = 32; h < 127; h++)
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{
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if ((h % 8) == 0)
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fprintf(out, "\t\t");
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fprintf(out, "&&__%02X, ", h);
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if ((h % 8) == 7)
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fprintf(out, "\n");
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}
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fprintf(out, "\n\t};\n\n");
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//printf(" goto *jump[h %% %d];\n\n", HASH_SIZE);
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fprintf(out, "\tgoto *jump[*word - 32];\n\n");
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for (h = 32; h < 127; h++)
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{
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if (islower(h))
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continue;
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fprintf(out, "__%02X:\n", h);
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if (isupper(h))
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fprintf(out, "__%02X:\n", tolower(h));
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*last = 0;
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for(;;)
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{
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n = -1;
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*next = 0;
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for (info = &COMP_res_info[1], i = 1; info->name; info++, i++)
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{
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if (tolower(*info->name) != tolower(h) || !info->name[1])
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continue;
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if (compare_name(info->name, last) <= 0)
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continue;
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if (*next == 0 || compare_name(info->name, next) <= 0)
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{
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strcpy(next, info->name);
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n = i;
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}
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}
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if (n < 0)
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break;
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info = &COMP_res_info[n];
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len = strlen(info->name);
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strcpy(last, info->name);
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fprintf(out, "\tif (len == %d", len);
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for (p = 1; p < len; p++)
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{
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fprintf(out, " && ");
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c = info->name[p];
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if (isalpha(c))
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fprintf(out, "tolower(word[%d]) == '%c'", p, tolower(info->name[p]));
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else if (c == '\\')
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fprintf(out, "word[%d] == '\\\\'", p);
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else
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fprintf(out, "word[%d] == '%c'", p, info->name[p]);
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}
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/*printf(" if (!strncmp(\"");
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for (p = 0; p < len; p++)
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{
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c = info->name[p];
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if (c == '\\')
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printf("\\\\");
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else
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putchar(tolower(info->name[p]));
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}
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printf("\", word, %d)", len);*/
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fprintf(out, ") return %d;\n", n);
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}
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fprintf(out, "\treturn -1;\n");
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}
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read_write_until(in, NULL, "}");
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read_write_until(in, NULL, "}");
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fprintf(out, "}\n");
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read_write_until(in, out, "static void *jump[] = {");
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for (h = 32; h < 127; h++)
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{
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if ((h % 8) == 0)
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fprintf(out, "\t\t");
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fprintf(out, "&&__%02X, ", h);
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if ((h % 8) == 7)
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fprintf(out, "\n");
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}
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fprintf(out, "\n\t};\n\n");
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fprintf(out, "\tgoto *jump[*word - 32];\n\n");
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for (h = 32; h < 127; h++)
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{
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if (islower(h))
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continue;
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fprintf(out, "__%02X:\n", h);
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if (isupper(h))
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fprintf(out, "__%02X:\n", tolower(h));
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*last = 0;
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for(;;)
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{
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n = -1;
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*next = 0;
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for (subr = &COMP_subr_info[0], i = 0; subr->name; subr++, i++)
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{
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if (tolower(*subr->name) != tolower(h) || !subr->name[1])
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continue;
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if (compare_name(subr->name, last) <= 0)
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continue;
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if (*next == 0 || compare_name(subr->name, next) <= 0)
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{
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strcpy(next, subr->name);
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n = i;
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}
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}
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if (n < 0)
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break;
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subr = &COMP_subr_info[n];
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len = strlen(subr->name);
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strcpy(last, subr->name);
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fprintf(out, "\tif (len == %d", len);
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for (p = 1; p < len; p++)
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{
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fprintf(out, " && ");
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c = subr->name[p];
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if (isalpha(c))
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fprintf(out, "tolower(word[%d]) == '%c'", p, tolower(subr->name[p]));
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else if (c == '\\')
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fprintf(out, "word[%d] == '\\\\'", p);
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else
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fprintf(out, "word[%d] == '%c'", p, subr->name[p]);
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}
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fprintf(out, ") return %d;\n", n);
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}
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fprintf(out, "\treturn -1;\n");
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}
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fprintf(out, "}\n");
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fclose(in);
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fclose(out);
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unlink("../share/gb_reserved_temp.h");
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rename("../share/gb_reserved_temp.h.tmp", "../share/gb_reserved_temp.h");
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return 0;
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}
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