547 lines
16 KiB
C
Executable File
547 lines
16 KiB
C
Executable File
/*************************************************************************
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* *
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* Yap Prolog *
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* *
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* Yap Prolog Was Developed At Nccup - Universidade Do Porto *
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* *
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* Copyright L.Damas, V.S.Costa And Universidade Do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: Yap.C *
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* Last Rev: *
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* Mods: *
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* Comments: Yap's Main File: parse arguments *
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* *
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*************************************************************************/
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/* static char SccsId[] = "X 4.3.3"; */
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#include "Yap.h"
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#include "YapHeap.h"
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#include "YapInterface.h"
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#include "config.h"
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <stddef.h>
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#include <stdlib.h>
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#ifdef _MSC_VER /* Microsoft's Visual C++ Compiler */
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#ifdef HAVE_UNISTD_H
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#undef HAVE_UNISTD_H
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#endif
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#endif
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#include <stdio.h>
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#if HAVE_STRING_H
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#include <string.h>
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#endif
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#if HAVE_DIRECT_H
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#include <direct.h>
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#endif
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static void print_usage(void) {
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fprintf(stderr, "\n[ Valid switches for command line arguments: ]\n");
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fprintf(stderr, " -? Shows this screen\n");
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fprintf(stderr, " -b Boot file \n");
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fprintf(stderr, " -dump-runtime-variables\n");
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fprintf(stderr, " -f initialization file or \"none\"\n");
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fprintf(stderr, " -g Run Goal Before Top-Level \n");
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fprintf(stderr, " -z Run Goal Before Top-Level \n");
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fprintf(stderr, " -q start with informational messages off\n");
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fprintf(stderr, " -l load Prolog file\n");
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fprintf(stderr, " -L run Prolog file and exit\n");
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fprintf(stderr, " -p extra path for file-search-path\n");
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fprintf(stderr, " -hSize Heap area in Kbytes (default: %d, minimum: %d)\n",
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DefHeapSpace, MinHeapSpace);
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fprintf(stderr,
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" -sSize Stack area in Kbytes (default: %d, minimum: %d)\n",
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DefStackSpace, MinStackSpace);
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fprintf(stderr,
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" -tSize Trail area in Kbytes (default: %d, minimum: %d)\n",
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DefTrailSpace, MinTrailSpace);
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fprintf(stderr, " -GSize Max Area for Global Stack\n");
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fprintf(stderr,
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" -LSize Max Area for Local Stack (number must follow L)\n");
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fprintf(stderr, " -TSize Max Area for Trail (number must follow L)\n");
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fprintf(stderr, " -nosignals disable signal handling from Prolog\n");
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fprintf(stderr, "\n[Execution Modes]\n");
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fprintf(stderr, " -J0 Interpreted mode (default)\n");
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fprintf(stderr, " -J1 Mixed mode only for user predicates\n");
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fprintf(stderr, " -J2 Mixed mode for all predicates\n");
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fprintf(stderr, " -J3 Compile all user predicates\n");
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fprintf(stderr, " -J4 Compile all predicates\n");
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#ifdef TABLING
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fprintf(stderr,
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" -ts Maximum table space area in Mbytes (default: unlimited)\n");
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#endif /* TABLING */
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#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
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defined(YAPOR_THREADS)
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fprintf(stderr, " -w Number of workers (default: %d)\n",
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DEFAULT_NUMBERWORKERS);
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fprintf(stderr, " -sl Loop scheduler executions before look for hiden "
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"shared work (default: %d)\n",
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DEFAULT_SCHEDULERLOOP);
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fprintf(stderr, " -d Value of delayed release of load (default: %d)\n",
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DEFAULT_DELAYEDRELEASELOAD);
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#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
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/* nf: Preprocessor */
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/* fprintf(stderr," -DVar=Name Persistent definition\n"); */
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fprintf(stderr, "\n");
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}
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static int myisblank(int c) {
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switch (c) {
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case ' ':
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case '\t':
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case '\n':
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case '\r':
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return TRUE;
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default:
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return FALSE;
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}
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}
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static char *add_end_dot(char arg[]) {
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int sz = strlen(arg), i;
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i = sz;
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while (i && myisblank(arg[--i]))
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;
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if (i && arg[i] != ',') {
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char *p = (char *)malloc(sz + 2);
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if (!p)
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return NULL;
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strncpy(p, arg, sz);
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p[sz] = '.';
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p[sz + 1] = '\0';
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return p;
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}
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return arg;
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}
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static int dump_runtime_variables(void) {
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fprintf(stdout, "CC=\"%s\"\n", C_CC);
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fprintf(stdout, "YAP_ROOTDIR=\"%s\"\n", YAP_ROOTDIR);
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fprintf(stdout, "YAP_LIBS=\"%s\"\n", C_LIBS);
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fprintf(stdout, "YAP_SHLIB_SUFFIX=\"%s\"\n", SO_EXT);
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fprintf(stdout, "YAP_VERSION=%s\n", YAP_NUMERIC_VERSION);
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exit(0);
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return 1;
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}
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YAP_file_type_t Yap_InitDefaults(YAP_init_args *iap, char saved_state[],
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int argc, char *argv[]) {
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memset(iap, 0, sizeof(YAP_init_args));
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#if __ANDROID__
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iap->boot_file_type = YAP_BOOT_PL;
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iap->SavedState = NULL;
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#else
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iap->boot_file_type = YAP_QLY;
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iap->SavedState = saved_state;
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#endif
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iap->Argc = argc;
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iap->Argv = argv;
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return iap->boot_file_type;
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}
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X_API YAP_file_type_t YAP_parse_yap_arguments(int argc, char *argv[],
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YAP_init_args *iap) {
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char *p;
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size_t *ssize;
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Yap_InitDefaults(iap, NULL, argc, argv);
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while (--argc > 0) {
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p = *++argv;
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if (*p == '-')
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switch (*++p) {
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case 'b':
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iap->boot_file_type = YAP_PL;
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if (p[1])
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iap->YapPrologBootFile = p + 1;
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else if (argv[1] && *argv[1] != '-') {
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iap->YapPrologBootFile = *++argv;
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argc--;
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} else {
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iap->YapPrologBootFile = "boot.yap";
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}
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break;
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case 'B':
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iap->boot_file_type = YAP_BOOT_PL;
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if (p[1])
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iap->YapPrologBootFile = p + 1;
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else if (argv[1] && *argv[1] != '-') {
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iap->YapPrologBootFile = *++argv;
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argc--;
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} else {
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iap->YapPrologBootFile = "boot.yap";
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}
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break;
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case '?':
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print_usage();
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exit(EXIT_SUCCESS);
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case 'q':
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iap->QuietMode = TRUE;
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break;
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#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
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defined(YAPOR_THREADS)
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case 'w':
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ssize = &(iap->NumberWorkers);
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goto GetSize;
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case 'd':
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if (!strcmp("dump-runtime-variables", p))
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return dump_runtime_variables();
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ssize = &(iap->DelayedReleaseLoad);
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goto GetSize;
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#else
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case 'd':
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if (!strcmp("dump-runtime-variables", p))
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return dump_runtime_variables();
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#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
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case 'F':
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/* just ignore for now */
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argc--;
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argv++;
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break;
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case 'f':
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iap->FastBoot = TRUE;
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if (argc > 1 && argv[1][0] != '-') {
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argc--;
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argv++;
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if (strcmp(*argv, "none")) {
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iap->YapPrologRCFile = *argv;
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}
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break;
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}
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break;
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// execution mode
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case 'J':
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switch (p[1]) {
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case '0':
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iap->ExecutionMode = YAPC_INTERPRETED;
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break;
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case '1':
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iap->ExecutionMode = YAPC_MIXED_MODE_USER;
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break;
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case '2':
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iap->ExecutionMode = YAPC_MIXED_MODE_ALL;
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break;
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case '3':
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iap->ExecutionMode = YAPC_COMPILE_USER;
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break;
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case '4':
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iap->ExecutionMode = YAPC_COMPILE_ALL;
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break;
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default:
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fprintf(stderr, "[ YAP unrecoverable error: unknown switch -%c%c ]\n",
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*p, p[1]);
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exit(EXIT_FAILURE);
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}
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p++;
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break;
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case 'G':
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ssize = &(iap->MaxGlobalSize);
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goto GetSize;
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break;
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case 's':
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case 'S':
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ssize = &(iap->StackSize);
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#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
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defined(YAPOR_THREADS)
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if (p[1] == 'l') {
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p++;
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ssize = &(iap->SchedulerLoop);
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}
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#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
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goto GetSize;
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case 'a':
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case 'A':
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ssize = &(iap->AttsSize);
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goto GetSize;
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case 'T':
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ssize = &(iap->MaxTrailSize);
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goto get_trail_size;
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case 't':
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ssize = &(iap->TrailSize);
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#ifdef TABLING
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if (p[1] == 's') {
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p++;
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ssize = &(iap->MaxTableSpaceSize);
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}
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#endif /* TABLING */
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get_trail_size:
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if (*++p == '\0') {
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if (argc > 1)
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--argc, p = *++argv;
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else {
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fprintf(stderr,
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"[ YAP unrecoverable error: missing size in flag %s ]",
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argv[0]);
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print_usage();
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exit(EXIT_FAILURE);
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}
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}
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{
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unsigned long int i = 0, ch;
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while ((ch = *p++) >= '0' && ch <= '9')
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i = i * 10 + ch - '0';
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switch (ch) {
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case 'M':
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case 'm':
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i *= 1024;
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ch = *p++;
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break;
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case 'g':
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i *= 1024 * 1024;
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ch = *p++;
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break;
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case 'k':
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case 'K':
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ch = *p++;
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break;
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}
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if (ch) {
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iap->YapPrologTopLevelGoal = add_end_dot(*argv);
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} else {
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*ssize = i;
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}
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}
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break;
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case 'h':
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case 'H':
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ssize = &(iap->HeapSize);
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GetSize:
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if (*++p == '\0') {
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if (argc > 1)
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--argc, p = *++argv;
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else {
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fprintf(stderr,
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"[ YAP unrecoverable error: missing size in flag %s ]",
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argv[0]);
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print_usage();
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exit(EXIT_FAILURE);
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}
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}
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{
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unsigned long int i = 0, ch;
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while ((ch = *p++) >= '0' && ch <= '9')
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i = i * 10 + ch - '0';
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switch (ch) {
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case 'M':
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case 'm':
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i *= 1024;
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ch = *p++;
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break;
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case 'g':
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case 'G':
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i *= 1024 * 1024;
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ch = *p++;
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break;
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case 'k':
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case 'K':
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ch = *p++;
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break;
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}
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if (ch) {
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fprintf(
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stderr,
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"[ YAP unrecoverable error: illegal size specification %s ]",
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argv[-1]);
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Yap_exit(1);
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}
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*ssize = i;
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}
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break;
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#ifdef DEBUG
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case 'P':
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if (p[1] != '\0') {
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while (p[1] != '\0') {
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int ch = p[1];
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if (ch >= 'A' && ch <= 'Z')
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ch += ('a' - 'A');
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if (ch >= 'a' && ch <= 'z')
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GLOBAL_Option[ch - 96] = 1;
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p++;
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}
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} else {
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YAP_SetOutputMessage();
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}
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break;
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#endif
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case 'L':
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if (p[1] && p[1] >= '0' &&
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p[1] <= '9') /* hack to emulate SWI's L local option */
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{
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ssize = &(iap->MaxStackSize);
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goto GetSize;
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}
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iap->QuietMode = TRUE;
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iap->HaltAfterConsult = TRUE;
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case 'l':
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p++;
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if (!*++argv) {
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fprintf(stderr,
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"%% YAP unrecoverable error: missing load file name\n");
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exit(1);
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} else if (!strcmp("--", *argv)) {
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/* shell script, the next entry should be the file itself */
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iap->YapPrologRCFile = argv[1];
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argc = 1;
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break;
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} else {
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iap->YapPrologRCFile = *argv;
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argc--;
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}
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if (*p) {
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/* we have something, usually, of the form:
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-L --
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FileName
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ExtraArgs
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*/
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/* being called from a script */
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while (*p && (*p == ' ' || *p == '\t'))
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p++;
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if (p[0] == '-' && p[1] == '-') {
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/* ignore what is next */
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argc = 1;
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}
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}
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break;
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/* run goal before top-level */
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case 'g':
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if ((*argv)[0] == '\0')
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iap->YapPrologGoal = *argv;
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else {
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argc--;
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if (argc == 0) {
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fprintf(stderr, " [ YAP unrecoverable error: missing "
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"initialization goal for option 'g' ]\n");
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exit(EXIT_FAILURE);
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}
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argv++;
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iap->YapPrologGoal = *argv;
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}
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break;
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/* run goal as top-level */
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case 'z':
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if ((*argv)[0] == '\0')
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iap->YapPrologTopLevelGoal = *argv;
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else {
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argc--;
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if (argc == 0) {
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fprintf(
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stderr,
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" [ YAP unrecoverable error: missing goal for option 'z' ]\n");
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exit(EXIT_FAILURE);
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}
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argv++;
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iap->YapPrologTopLevelGoal = add_end_dot(*argv);
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}
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break;
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case 'n':
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if (!strcmp("nosignals", p)) {
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iap->PrologShouldHandleInterrupts = FALSE;
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break;
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}
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break;
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case '-':
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if (!strcmp("-nosignals", p)) {
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iap->PrologShouldHandleInterrupts = FALSE;
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break;
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} else if (!strncmp("-home=", p, strlen("-home="))) {
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GLOBAL_Home = p + strlen("-home=");
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} else if (!strncmp("-cwd=", p, strlen("-cwd="))) {
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#if __WINDOWS__
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if (_chdir(p + strlen("-cwd=")) < 0) {
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#else
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if (chdir(p + strlen("-cwd=")) < 0) {
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#endif
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fprintf(stderr, " [ YAP unrecoverable error in setting cwd: %s ]\n",
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strerror(errno));
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}
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} else if (!strncmp("-stack=", p, strlen("-stack="))) {
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ssize = &(iap->StackSize);
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p += strlen("-stack=");
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goto GetSize;
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} else if (!strncmp("-trail=", p, strlen("-trail="))) {
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ssize = &(iap->TrailSize);
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p += strlen("-trail=");
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goto GetSize;
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} else if (!strncmp("-heap=", p, strlen("-heap="))) {
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ssize = &(iap->HeapSize);
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p += strlen("-heap=");
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goto GetSize;
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} else if (!strncmp("-goal=", p, strlen("-goal="))) {
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iap->YapPrologGoal = p + strlen("-goal=");
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} else if (!strncmp("-top-level=", p, strlen("-top-level="))) {
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iap->YapPrologTopLevelGoal = p + strlen("-top-level=");
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} else if (!strncmp("-table=", p, strlen("-table="))) {
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ssize = &(iap->MaxTableSpaceSize);
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p += strlen("-table=");
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goto GetSize;
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} else if (!strncmp("-", p, strlen("-="))) {
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ssize = &(iap->MaxTableSpaceSize);
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p += strlen("-table=");
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/* skip remaining arguments */
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argc = 1;
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}
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break;
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case 'p':
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if ((*argv)[0] == '\0')
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iap->YapPrologAddPath = *argv;
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else {
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argc--;
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if (argc == 0) {
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fprintf(
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stderr,
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" [ YAP unrecoverable error: missing paths for option 'p' ]\n");
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exit(EXIT_FAILURE);
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}
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argv++;
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iap->YapPrologAddPath = *argv;
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}
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break;
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/* nf: Begin preprocessor code */
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case 'D': {
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char *var, *value;
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|
++p;
|
|
var = p;
|
|
if (var == NULL || *var == '\0')
|
|
break;
|
|
while (*p != '=' && *p != '\0')
|
|
++p;
|
|
if (*p == '\0')
|
|
break;
|
|
*p = '\0';
|
|
++p;
|
|
value = p;
|
|
if (*value == '\0')
|
|
break;
|
|
if (iap->def_c == YAP_MAX_YPP_DEFS)
|
|
break;
|
|
iap->def_var[iap->def_c] = var;
|
|
iap->def_value[iap->def_c] = value;
|
|
++(iap->def_c);
|
|
break;
|
|
}
|
|
/* End preprocessor code */
|
|
default: {
|
|
fprintf(stderr, "[ YAP unrecoverable error: unknown switch -%c ]\n",
|
|
*p);
|
|
print_usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
else {
|
|
iap->SavedState = p;
|
|
}
|
|
}
|
|
return iap->boot_file_type;
|
|
}
|