1222 lines
37 KiB
C
Executable File
1222 lines
37 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 * Last
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*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 "YapStreams.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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#if HAVE_LIBGEN_H
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#include <libgen.h>
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#endif
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X_API bool YAP_initialized = false;
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static int n_mdelays = 0;
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static YAP_delaymodule_t *m_delays;
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static void init_globals(YAP_init_args *yap_init) {
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GLOBAL_FAST_BOOT_FLAG = yap_init->FastBoot;
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#if defined(YAPOR) || defined(TABLING)
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Yap_init_root_frames();
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#endif /* YAPOR || TABLING */
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#ifdef YAPOR
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Yap_init_yapor_workers();
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#if YAPOR_THREADS
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if (Yap_thread_self() != 0) {
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#else
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if (worker_id != 0) {
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#endif
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#if defined(YAPOR_COPY) || defined(YAPOR_SBA)
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/*
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In the SBA we cannot just happily inherit registers
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from the other workers
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*/
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Yap_InitYaamRegs(worker_id, true);
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#endif /* YAPOR_COPY || YAPOR_SBA */
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#ifndef YAPOR_THREADS
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Yap_InitPreAllocCodeSpace(0);
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#endif /* YAPOR_THREADS */
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/* slaves, waiting for work */
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CurrentModule = USER_MODULE;
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P = GETWORK_FIRST_TIME;
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Yap_exec_absmi(FALSE, YAP_EXEC_ABSMI);
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Yap_Error(SYSTEM_ERROR_INTERNAL, TermNil,
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"abstract machine unexpected exit (YAP_Init)");
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}
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#endif /* YAPOR */
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RECOVER_MACHINE_REGS();
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/* make sure we do this after restore */
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if (yap_init->MaxStackSize) {
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GLOBAL_AllowLocalExpansion = FALSE;
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} else {
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GLOBAL_AllowLocalExpansion = TRUE;
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}
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if (yap_init->MaxGlobalSize) {
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GLOBAL_AllowGlobalExpansion = FALSE;
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} else {
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GLOBAL_AllowGlobalExpansion = TRUE;
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}
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if (yap_init->MaxTrailSize) {
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GLOBAL_AllowTrailExpansion = FALSE;
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} else {
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GLOBAL_AllowTrailExpansion = TRUE;
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}
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if (yap_init->PrologRCFile) {
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Yap_PutValue(AtomConsultOnBoot,
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MkAtomTerm(Yap_LookupAtom(yap_init->PrologRCFile)));
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/*
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This must be done again after restore, as yap_flags
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has been overwritten ....
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*/
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setBooleanGlobalPrologFlag(HALT_AFTER_CONSULT_FLAG,
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yap_init->HaltAfterConsult);
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}
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if (yap_init->PrologTopLevelGoal) {
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Yap_PutValue(AtomTopLevelGoal,
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MkAtomTerm(Yap_LookupAtom(yap_init->PrologTopLevelGoal)));
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}
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if (yap_init->PrologGoal) {
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Yap_PutValue(AtomInitGoal,
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MkAtomTerm(Yap_LookupAtom(yap_init->PrologGoal)));
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}
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if (yap_init->PrologAddPath) {
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Yap_PutValue(AtomExtendFileSearchPath,
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MkAtomTerm(Yap_LookupAtom(yap_init->PrologAddPath)));
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}
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if (yap_init->QuietMode) {
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setVerbosity(TermSilent);
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}
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}
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static void start_modules(void) {
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Term cm = CurrentModule;
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size_t i;
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for (i = 0; i < n_mdelays; i++) {
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CurrentModule = MkAtomTerm(YAP_LookupAtom(m_delays[i].s));
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m_delays[i].f();
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}
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CurrentModule = cm;
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}
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const char *Yap_BINDIR, *Yap_ROOTDIR, *Yap_SHAREDIR, *Yap_LIBDIR, *Yap_DLLDIR,
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*Yap_PLDIR, *Yap_BOOTPLDIR, *Yap_BOOTSTRAPPLDIR, *Yap_COMMONSDIR,
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*Yap_STARTUP, *Yap_OUTPUT_STARTUP, *Yap_BOOTFILE;
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/* do initial boot by consulting the file boot.yap */
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static void consult(const char *b_file USES_REGS) {
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Term t;
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int boot_stream, osno;
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Functor functor_query = Yap_MkFunctor(Yap_LookupAtom("?-"), 1);
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Functor functor_command1 = Yap_MkFunctor(Yap_LookupAtom(":-"), 1);
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Functor functor_compile2 = Yap_MkFunctor(Yap_LookupAtom("c_compile"), 1);
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/* consult boot.pl */
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char *full = malloc(YAP_FILENAME_MAX + 1);
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full[0] = '\0';
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/* the consult mode does not matter here, really */
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boot_stream = YAP_InitConsult(YAP_BOOT_MODE, b_file, full, &osno);
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if (boot_stream < 0) {
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fprintf(stderr, "[ FATAL ERROR: could not open stream %s ]\n", b_file);
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exit(1);
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}
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do {
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CACHE_REGS
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YAP_Reset(YAP_FULL_RESET, false);
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Yap_StartSlots();
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Term vs = YAP_MkVarTerm(), pos = MkVarTerm();
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t = YAP_ReadClauseFromStream(boot_stream, vs, pos);
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// Yap_GetNèwSlot(t);
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if (t == 0) {
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fprintf(stderr, "[ SYNTAX ERROR: while parsing stream %s at line %ld ]\n",
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b_file, GLOBAL_Stream[boot_stream].linecount);
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} else if (IsVarTerm(t) || t == TermNil) {
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fprintf(stderr, "[ line %d: term cannot be compiled ]",
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GLOBAL_Stream[boot_stream].linecount);
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} else if (IsApplTerm(t) && (FunctorOfTerm(t) == functor_query ||
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FunctorOfTerm(t) == functor_command1)) {
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t = ArgOfTerm(1, t);
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if (IsApplTerm(t) && FunctorOfTerm(t) == functor_compile2) {
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consult(RepAtom(AtomOfTerm(ArgOfTerm(1, t)))->StrOfAE);
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} else {
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YAP_RunGoalOnce(t);
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}
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} else {
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char *ErrorMessage;
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ErrorMessage = YAP_CompileClause(t);
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if (ErrorMessage) {
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fprintf(stderr, "%s", ErrorMessage);
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}
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}
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} while (t != TermEof);
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BACKUP_MACHINE_REGS();
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YAP_EndConsult(boot_stream, &osno, full);
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free(full);
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#if DEBUG
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if (Yap_output_msg)
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fprintf(stderr, "Boot loaded\n");
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#endif
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}
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/** @brief A simple language for detecting where YAP stuff can be found
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*
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* @long The options are
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* `[V]` use a configuration variable YAP_XXXDIR, prefixed by "DESTDIR"
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* `(V)PATH` compute V and add /PATH,
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* `$V` search the environment
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* `?V` search the WINDOWS registry
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* ~` search HOME
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* `@` query user option.
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*
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*/
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typedef struct config {
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char *name;
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const char **root;
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const char **lib;
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const char **share;
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const char **include;
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const char **pl;
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const char **commons;
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const char **dll;
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const char **ss;
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const char **oss;
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const char **bootpldir;
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const char **bootpl;
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} config_t;
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const char *gd_root[] = {"@RootDir", "[root]", "(execdir)/.."};
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const char *gd_lib[] = {"@LibDir", "[lib]", "(root)/lib"};
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const char *gd_share[] = {"@ShareDir", "[share]", "(root)/share"};
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const char *gd_include[] = {"@IncludeDir", "[include]", "(root)/include"};
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const char *gd_dll[] = {"@DLLDir", "(lib)/Yap"};
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const char *gd_pl[] = {"@PlDir", "(share)/Yap", "@BootPlDir/../library"};
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const char *gd_commons[] = {"@CommonsDir", "(share)/PrologCommons"};
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const char *gd_ss[] = {"(dll)"};
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const char *gd_oss[] = {"."};
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const char *gd_bootpldir[] = {"@BootPlDir", "@PrologBootFile/..", "(pl)/pl"};
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const char *gd_bootpl[] = {"@PrologBootFile", "(bootpldir)/setup.yap"};
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static config_t *gnu(config_t *i) {
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i->root = gd_root;
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i->lib = gd_lib;
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i->share = gd_share;
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i->include = gd_include;
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i->dll = gd_dll;
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i->pl = gd_pl;
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i->commons = gd_commons;
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i->ss = gd_ss;
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i->oss = gd_oss;
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i->bootpldir = gd_bootpldir;
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i->bootpl = gd_bootpl;
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return i;
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}
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/**
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* Search
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*/
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char *location(YAP_init_args *iap, const char *inp, char *out) {
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if (inp == NULL || inp[0] == '\0') {
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return NULL;
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}
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out[0] = '\0';
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if (inp[0] == '(') {
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if (strstr(inp + 1, "root") == inp + 1 && Yap_ROOTDIR &&
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Yap_ROOTDIR[0] != '\0') {
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strcpy(out, Yap_ROOTDIR);
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strcat(out, inp + strlen("(root)"));
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} else if (strstr(inp + 1, "bin") == inp + 1 && Yap_BINDIR &&
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Yap_BINDIR[0] != '\0') {
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strcpy(out, Yap_BINDIR);
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strcat(out, inp + strlen("(bin)"));
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} else if (strstr(inp + 1, "lib") == inp + 1 && Yap_LIBDIR &&
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Yap_LIBDIR[0] != '\0') {
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strcpy(out, Yap_LIBDIR);
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strcat(out, inp + strlen("(lib)"));
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} else if (strstr(inp + 1, "dll") == inp + 1 && Yap_DLLDIR &&
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Yap_DLLDIR[0] != '\0') {
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strcpy(out, Yap_DLLDIR);
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strcat(out, inp + strlen("(dll)"));
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} else if (strstr(inp + 1, "share") == inp + 1 && Yap_SHAREDIR &&
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Yap_SHAREDIR[0] != '\0') {
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strcpy(out, Yap_SHAREDIR);
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strcat(out, inp + strlen("(share)"));
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} else if (strstr(inp + 1, "pl") == inp + 1 && Yap_PLDIR &&
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Yap_PLDIR[0] != '\0') {
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strcpy(out, Yap_PLDIR);
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strcat(out, inp + strlen("(pl)"));
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} else if (strstr(inp + 1, "bootpldir") == inp + 1 && Yap_BOOTPLDIR &&
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Yap_BOOTPLDIR[0] != '\0') {
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strcpy(out, Yap_BOOTPLDIR);
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strcat(out, inp + strlen("(bootpldir)"));
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} else if (strstr(inp + 1, "bootpl") == inp + 1 && Yap_BOOTFILE &&
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Yap_BOOTFILE[0] != '\0') {
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strcpy(out, Yap_BOOTFILE);
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strcat(out, inp + strlen("(bootpl)"));
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} else if (strstr(inp + 1, "execdir") == inp + 1) {
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char *buf = Malloc(YAP_FILENAME_MAX + 1);
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const char *ex = Yap_AbsoluteFile(Yap_FindExecutable(), buf, true);
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if (ex != NULL) {
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strcpy(out, dirname((char *)ex));
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strcat(out, "/");
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strcat(out, inp + strlen("(execdir)"));
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}
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}
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} else if (inp[0] == '@') {
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if (strstr(inp + 1, "RootDir") == inp + 1) {
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const char *tmp = iap->RootDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "LibDir") == inp + 1) {
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const char *tmp = iap->LibDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "IncludeDir") == inp + 1) {
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const char *tmp = iap->IncludeDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "SharedDir") == inp + 1) {
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const char *tmp = iap->SharedDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "DLLDir") == inp + 1) {
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const char *tmp = iap->DLLDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "PlDir") == inp + 1) {
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const char *tmp = iap->PlDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "BootPlDir") == inp + 1) {
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const char *tmp = iap->BootPlDir;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "PrologBootFile") == inp + 1) {
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const char *tmp = iap->PrologBootFile;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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} else if (strstr(inp + 1, "SavedState") == inp + 1) {
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const char *tmp = iap->SavedState;
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if (tmp && tmp[0])
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strcpy(out, tmp);
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}
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} else if (inp[0] == '$') {
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char *e;
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if ((e = getenv(inp + 1)) != NULL) {
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strcpy(out, e);
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}
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} else if (inp[0] == '?') {
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#if _WINDOWS_
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char *e;
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if ((e = Yap_RegistryGetString(inp + 1)) != NULL) {
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strcpy(out, e);
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}
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#endif
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} else if (inp[0] == '~') {
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char *e;
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if ((e = getenv("HOME")) != NULL) {
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if (inp[1] == '\0') {
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strcpy(out, e);
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} else if (inp[1] == '/') {
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strcpy(out, e);
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strcat(out, inp + 1);
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}
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}
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} else if (inp[0] == '[') {
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char *o = out;
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const char *e;
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if ((e = getenv("DESTDIR"))) {
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strcpy(out, e);
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o += strlen(e);
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}
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if (strstr(inp + 1, "root") == inp + 1) {
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#ifdef YAP_ROOTDIR
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strcpy(o, YAP_ROOTDIR);
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#endif
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} else if (strstr(inp + 1, "lib") == inp + 1) {
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#ifdef YAP_LIBDIR
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strcpy(o, YAP_LIBDIR);
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#endif
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} else if (strstr(inp + 1, "share") == inp + 1) {
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#ifdef YAP_SHAREDIR
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strcpy(o, YAP_SHAREDIR);
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#endif
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} else if (strstr(inp + 1, "dll") == inp + 1) {
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#ifdef YAP_DLLDIR
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strcpy(o, YAP_DLLDIR);
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#endif
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} else if (strstr(inp + 1, "pl") == inp + 1) {
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#ifdef YAP_PLDIR
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strcpy(o, YAP_PLDIR);
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#endif
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} else if (strstr(inp + 1, "commons") == inp + 1) {
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#ifdef YAP_COMMONSDIR
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strcpy(o, YAP_COMMONSDIR);
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#endif
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}
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} else {
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strcpy(out, inp);
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}
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if (out[0]) {
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return out;
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}
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return NULL;
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}
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/**
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* @brief find default paths for main YAP variables
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*
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* This function is called once at boot time to set the main paths; it
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* searches a list of paths to instantiate a number of variables. Paths must
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* be directories.
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*
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* It treats the following variables as :
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* ROOTDIR, SHAREDIR, LIBDIR, EXECUTABLE
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*
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* @return
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*/
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static const char *find_directory(YAP_init_args *iap, const char *paths[],
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const char *filename) {
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int lvl = push_text_stack();
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char *out = Malloc(YAP_FILENAME_MAX + 1);
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const char *inp;
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if (filename) {
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strcpy(out, filename);
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if (Yap_IsAbsolutePath(out, true)) {
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out = pop_output_text_stack(lvl, out);
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return out;
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}
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}
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int i = 0;
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while ((inp = paths[i++]) != NULL) {
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out[0] = '\0';
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const char *o = location(iap, inp, out);
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char qp[FILENAME_MAX + 1];
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if (o && o[0] && (o = Yap_AbsoluteFile(o, qp, false)) &&
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Yap_isDirectory(o)) {
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if (filename) {
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strcat(o, "/");
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strcat(o, filename);
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}
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o = pop_output_text_stack(lvl, o);
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return o;
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}
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}
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pop_text_stack(lvl);
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return NULL;
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}
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static void Yap_set_locations(YAP_init_args *iap) {
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config_t t, *template;
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template = gnu(&t);
|
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Yap_ROOTDIR = find_directory(iap, template->root, NULL);
|
|
Yap_LIBDIR = find_directory(iap, template->lib, NULL);
|
|
// Yap_BINDIR = find_directory(iap, template->bin, NULL);
|
|
Yap_SHAREDIR = find_directory(iap, template->share, NULL);
|
|
Yap_DLLDIR = find_directory(iap, template->dll, NULL);
|
|
Yap_PLDIR = find_directory(iap, template->pl, NULL);
|
|
Yap_BOOTPLDIR = find_directory(iap, template->bootpldir, NULL);
|
|
Yap_BOOTFILE = find_directory(iap, template->bootpldir, "setup.yap");
|
|
Yap_COMMONSDIR = find_directory(iap, template->commons, NULL);
|
|
if (iap->SavedState == NULL)
|
|
iap->SavedState = "startup.yss";
|
|
Yap_STARTUP = find_directory(iap, template->ss, iap->SavedState);
|
|
if (iap->OutputSavedState == NULL)
|
|
iap->OutputSavedState = "startup.yss";
|
|
Yap_OUTPUT_STARTUP = find_directory(iap, template->ss, iap->OutputSavedState);
|
|
if (iap->PrologBootFile == NULL)
|
|
iap->PrologBootFile = "boot.yap";
|
|
Yap_BOOTFILE = find_directory(iap, template->bootpldir, iap->PrologBootFile);
|
|
if (Yap_ROOTDIR)
|
|
setAtomicGlobalPrologFlag(HOME_FLAG,
|
|
MkAtomTerm(Yap_LookupAtom(Yap_ROOTDIR)));
|
|
if (Yap_PLDIR)
|
|
setAtomicGlobalPrologFlag(PROLOG_LIBRARY_DIRECTORY_FLAG,
|
|
MkAtomTerm(Yap_LookupAtom(Yap_PLDIR)));
|
|
if (Yap_DLLDIR)
|
|
setAtomicGlobalPrologFlag(PROLOG_FOREIGN_DIRECTORY_FLAG,
|
|
MkAtomTerm(Yap_LookupAtom(Yap_DLLDIR)));
|
|
}
|
|
|
|
static void print_usage(void) {
|
|
fprintf(stderr, "\n[ Valid switches for command line arguments: ]\n");
|
|
fprintf(stderr, " -? Shows this screen\n");
|
|
fprintf(stderr, " -b Boot file \n");
|
|
fprintf(stderr, " -dump-runtime-variables\n");
|
|
fprintf(stderr, " -f initialization file or \"none\"\n");
|
|
fprintf(stderr, " -g Run Goal Before Top-Level \n");
|
|
fprintf(stderr, " -z Run Goal Before Top-Level \n");
|
|
fprintf(stderr, " -q start with informational messages off\n");
|
|
fprintf(stderr, " -l load Prolog file\n");
|
|
fprintf(stderr, " -L run Prolog file and exit\n");
|
|
fprintf(stderr, " -p extra path for file-search-path\n");
|
|
fprintf(stderr, " -hSize Heap area in Kbytes (default: %d, minimum: %d)\n",
|
|
DefHeapSpace, MinHeapSpace);
|
|
fprintf(stderr,
|
|
" -sSize Stack area in Kbytes (default: %d, minimum: %d)\n",
|
|
DefStackSpace, MinStackSpace);
|
|
fprintf(stderr,
|
|
" -tSize Trail area in Kbytes (default: %d, minimum: %d)\n",
|
|
DefTrailSpace, MinTrailSpace);
|
|
fprintf(stderr, " -GSize Max Area for Global Stack\n");
|
|
fprintf(stderr,
|
|
" -LSize Max Area for Local Stack (number must follow L)\n");
|
|
fprintf(stderr, " -TSize Max Area for Trail (number must follow T)\n");
|
|
fprintf(stderr, " -nosignals disable signal handling from Prolog\n");
|
|
fprintf(stderr, "\n[Execution Modes]\n");
|
|
fprintf(stderr, " -J0 Interpreted mode (default)\n");
|
|
fprintf(stderr, " -J1 Mixed mode only for user predicates\n");
|
|
fprintf(stderr, " -J2 Mixed mode for all predicates\n");
|
|
fprintf(stderr, " -J3 Compile all user predicates\n");
|
|
fprintf(stderr, " -J4 Compile all predicates\n");
|
|
|
|
#ifdef TABLING
|
|
fprintf(stderr,
|
|
" -ts Maximum table space area in Mbytes (default: unlimited)\n");
|
|
#endif /* TABLING */
|
|
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
|
|
defined(YAPOR_THREADS)
|
|
fprintf(stderr, " -w Number of workers (default: %d)\n",
|
|
DEFAULT_NUMBERWORKERS);
|
|
fprintf(stderr,
|
|
" -sl Loop scheduler executions before look for hiden "
|
|
"shared work (default: %d)\n",
|
|
DEFAULT_SCHEDULERLOOP);
|
|
fprintf(stderr, " -d Value of delayed release of load (default: %d)\n",
|
|
DEFAULT_DELAYEDRELEASELOAD);
|
|
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
|
|
/* nf: Preprocessor */
|
|
/* fprintf(stderr," -DVar=Name Persistent definition\n"); */
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
static int myisblank(int c) {
|
|
switch (c) {
|
|
case ' ':
|
|
case '\t':
|
|
case '\n':
|
|
case '\r':
|
|
return TRUE;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static char *add_end_dot(char arg[]) {
|
|
int sz = strlen(arg), i;
|
|
i = sz;
|
|
while (i && myisblank(arg[--i]))
|
|
;
|
|
if (i && arg[i] != ',') {
|
|
char *p = (char *)malloc(sz + 2);
|
|
if (!p)
|
|
return NULL;
|
|
strncpy(p, arg, sz);
|
|
p[sz] = '.';
|
|
p[sz + 1] = '\0';
|
|
return p;
|
|
}
|
|
return arg;
|
|
}
|
|
|
|
static int dump_runtime_variables(void) {
|
|
fprintf(stdout, "CC=\"%s\"\n", C_CC);
|
|
fprintf(stdout, "YAP_ROOTDIR=\"%s\"\n", YAP_ROOTDIR);
|
|
fprintf(stdout, "YAP_LIBS=\"%s\"\n", C_LIBS);
|
|
fprintf(stdout, "YAP_SHLIB_SUFFIX=\"%s\"\n", SO_EXT);
|
|
fprintf(stdout, "YAP_VERSION=%s\n", YAP_NUMERIC_VERSION);
|
|
exit(0);
|
|
return 1;
|
|
}
|
|
|
|
X_API YAP_file_type_t Yap_InitDefaults(void *x, char *saved_state, int argc,
|
|
char *argv[]) {
|
|
|
|
if (!LOCAL_TextBuffer)
|
|
LOCAL_TextBuffer = Yap_InitTextAllocator();
|
|
YAP_init_args *iap = x;
|
|
memset(iap, 0, sizeof(YAP_init_args));
|
|
#if __ANDROID__
|
|
iap->boot_file_type = YAP_BOOT_PL;
|
|
iap->SavedState = NULL;
|
|
iap->assetManager = NULL;
|
|
#else
|
|
iap->boot_file_type = YAP_QLY;
|
|
iap->SavedState = saved_state;
|
|
#endif
|
|
iap->Argc = argc;
|
|
iap->Argv = argv;
|
|
return YAP_QLY;
|
|
}
|
|
|
|
/**
|
|
* @short Paese command line
|
|
* @param argc number of arguments
|
|
* @param argv arguments
|
|
* @param iap options, see YAP_init_args
|
|
* @return boot from saved state or restore; error
|
|
*/
|
|
X_API YAP_file_type_t YAP_parse_yap_arguments(int argc, char *argv[],
|
|
YAP_init_args *iap) {
|
|
char *p;
|
|
size_t *ssize;
|
|
|
|
Yap_InitDefaults(iap, NULL, argc, argv);
|
|
while (--argc > 0) {
|
|
p = *++argv;
|
|
if (*p == '-')
|
|
switch (*++p) {
|
|
case 'b':
|
|
iap->boot_file_type = YAP_PL;
|
|
if (p[1])
|
|
iap->PrologBootFile = p + 1;
|
|
else if (argv[1] && *argv[1] != '-') {
|
|
iap->PrologBootFile = *++argv;
|
|
argc--;
|
|
}
|
|
break;
|
|
case 'B':
|
|
iap->boot_file_type = YAP_BOOT_PL;
|
|
if (p[1])
|
|
iap->BootPlDir = p + 1;
|
|
else if (argv[1] && *argv[1] != '-') {
|
|
iap->BootPlDir = *++argv;
|
|
argc--;
|
|
}
|
|
iap->install = true;
|
|
break;
|
|
case '?':
|
|
print_usage();
|
|
exit(EXIT_SUCCESS);
|
|
case 'q':
|
|
iap->QuietMode = TRUE;
|
|
break;
|
|
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
|
|
defined(YAPOR_THREADS)
|
|
case 'w':
|
|
ssize = &(iap->NumberWorkers);
|
|
goto GetSize;
|
|
case 'd':
|
|
if (!strcmp("dump-runtime-variables", p))
|
|
return dump_runtime_variables();
|
|
ssize = &(iap->DelayedReleaseLoad);
|
|
goto GetSize;
|
|
#else
|
|
case 'd':
|
|
if (!strcmp("dump-runtime-variables", p))
|
|
return dump_runtime_variables();
|
|
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
|
|
case 'F':
|
|
/* just ignore for now */
|
|
argc--;
|
|
argv++;
|
|
break;
|
|
case 'f':
|
|
iap->FastBoot = TRUE;
|
|
if (argc > 1 && argv[1][0] != '-') {
|
|
argc--;
|
|
argv++;
|
|
if (strcmp(*argv, "none")) {
|
|
iap->PrologRCFile = *argv;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
// execution mode
|
|
case 'J':
|
|
switch (p[1]) {
|
|
case '0':
|
|
iap->ExecutionMode = YAPC_INTERPRETED;
|
|
break;
|
|
case '1':
|
|
iap->ExecutionMode = YAPC_MIXED_MODE_USER;
|
|
break;
|
|
case '2':
|
|
iap->ExecutionMode = YAPC_MIXED_MODE_ALL;
|
|
break;
|
|
case '3':
|
|
iap->ExecutionMode = YAPC_COMPILE_USER;
|
|
break;
|
|
case '4':
|
|
iap->ExecutionMode = YAPC_COMPILE_ALL;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "[ YAP unrecoverable error: unknown switch -%c%c ]\n",
|
|
*p, p[1]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
p++;
|
|
break;
|
|
case 'G':
|
|
ssize = &(iap->MaxGlobalSize);
|
|
goto GetSize;
|
|
break;
|
|
case 's':
|
|
case 'S':
|
|
ssize = &(iap->StackSize);
|
|
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA) || \
|
|
defined(YAPOR_THREADS)
|
|
if (p[1] == 'l') {
|
|
p++;
|
|
ssize = &(iap->SchedulerLoop);
|
|
}
|
|
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA || YAPOR_THREADS */
|
|
goto GetSize;
|
|
case 'a':
|
|
case 'A':
|
|
ssize = &(iap->AttsSize);
|
|
goto GetSize;
|
|
case 'T':
|
|
ssize = &(iap->MaxTrailSize);
|
|
goto get_trail_size;
|
|
case 't':
|
|
ssize = &(iap->TrailSize);
|
|
#ifdef TABLING
|
|
if (p[1] == 's') {
|
|
p++;
|
|
ssize = &(iap->MaxTableSpaceSize);
|
|
}
|
|
#endif /* TABLING */
|
|
get_trail_size:
|
|
if (*++p == '\0') {
|
|
if (argc > 1)
|
|
--argc, p = *++argv;
|
|
else {
|
|
fprintf(stderr,
|
|
"[ YAP unrecoverable error: missing size in flag %s ]",
|
|
argv[0]);
|
|
print_usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
{
|
|
unsigned long int i = 0, ch;
|
|
while ((ch = *p++) >= '0' && ch <= '9')
|
|
i = i * 10 + ch - '0';
|
|
switch (ch) {
|
|
case 'M':
|
|
case 'm':
|
|
i *= 1024;
|
|
ch = *p++;
|
|
break;
|
|
case 'g':
|
|
i *= 1024 * 1024;
|
|
ch = *p++;
|
|
break;
|
|
case 'k':
|
|
case 'K':
|
|
ch = *p++;
|
|
break;
|
|
}
|
|
if (ch) {
|
|
iap->PrologTopLevelGoal = add_end_dot(*argv);
|
|
} else {
|
|
*ssize = i;
|
|
}
|
|
}
|
|
break;
|
|
case 'h':
|
|
case 'H':
|
|
ssize = &(iap->HeapSize);
|
|
GetSize:
|
|
if (*++p == '\0') {
|
|
if (argc > 1)
|
|
--argc, p = *++argv;
|
|
else {
|
|
fprintf(stderr,
|
|
"[ YAP unrecoverable error: missing size in flag %s ]",
|
|
argv[0]);
|
|
print_usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
{
|
|
unsigned long int i = 0, ch;
|
|
while ((ch = *p++) >= '0' && ch <= '9')
|
|
i = i * 10 + ch - '0';
|
|
switch (ch) {
|
|
case 'M':
|
|
case 'm':
|
|
i *= 1024;
|
|
ch = *p++;
|
|
break;
|
|
case 'g':
|
|
case 'G':
|
|
i *= 1024 * 1024;
|
|
ch = *p++;
|
|
break;
|
|
case 'k':
|
|
case 'K':
|
|
ch = *p++;
|
|
break;
|
|
}
|
|
if (ch) {
|
|
fprintf(
|
|
stderr,
|
|
"[ YAP unrecoverable error: illegal size specification %s ]",
|
|
argv[-1]);
|
|
Yap_exit(1);
|
|
}
|
|
*ssize = i;
|
|
}
|
|
break;
|
|
#ifdef DEBUG
|
|
case 'P':
|
|
if (p[1] != '\0') {
|
|
while (p[1] != '\0') {
|
|
int ch = p[1];
|
|
if (ch >= 'A' && ch <= 'Z')
|
|
ch += ('a' - 'A');
|
|
if (ch >= 'a' && ch <= 'z')
|
|
GLOBAL_Option[ch - 96] = 1;
|
|
p++;
|
|
}
|
|
} else {
|
|
YAP_SetOutputMessage();
|
|
}
|
|
break;
|
|
#endif
|
|
case 'L':
|
|
if (p[1] && p[1] >= '0' &&
|
|
p[1] <= '9') /* hack to emulate SWI's L local option */
|
|
{
|
|
ssize = &(iap->MaxStackSize);
|
|
goto GetSize;
|
|
}
|
|
iap->QuietMode = TRUE;
|
|
iap->HaltAfterConsult = TRUE;
|
|
case 'l':
|
|
p++;
|
|
if (!*++argv) {
|
|
fprintf(stderr,
|
|
"%% YAP unrecoverable error: missing load file name\n");
|
|
exit(1);
|
|
} else if (!strcmp("--", *argv)) {
|
|
/* shell script, the next entry should be the file itself */
|
|
iap->PrologRCFile = argv[1];
|
|
argc = 1;
|
|
break;
|
|
} else {
|
|
iap->PrologRCFile = *argv;
|
|
argc--;
|
|
}
|
|
if (*p) {
|
|
/* we have something, usually, of the form:
|
|
-L --
|
|
FileName
|
|
ExtraArgs
|
|
*/
|
|
/* being called from a script */
|
|
while (*p && (*p == ' ' || *p == '\t'))
|
|
p++;
|
|
if (p[0] == '-' && p[1] == '-') {
|
|
/* ignore what is next */
|
|
argc = 1;
|
|
}
|
|
}
|
|
break;
|
|
/* run goal before top-level */
|
|
case 'g':
|
|
if ((*argv)[0] == '\0')
|
|
iap->PrologGoal = *argv;
|
|
else {
|
|
argc--;
|
|
if (argc == 0) {
|
|
fprintf(stderr, " [ YAP unrecoverable error: missing "
|
|
"initialization goal for option 'g' ]\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
argv++;
|
|
iap->PrologGoal = *argv;
|
|
}
|
|
break;
|
|
/* run goal as top-level */
|
|
case 'z':
|
|
if ((*argv)[0] == '\0')
|
|
iap->PrologTopLevelGoal = *argv;
|
|
else {
|
|
argc--;
|
|
if (argc == 0) {
|
|
fprintf(stderr, " [ YAP unrecoverable error: missing goal for "
|
|
"option 'z' ]\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
argv++;
|
|
iap->PrologTopLevelGoal = add_end_dot(*argv);
|
|
}
|
|
break;
|
|
case 'n':
|
|
if (!strcmp("nosignals", p)) {
|
|
iap->PrologCannotHandleInterrupts = true;
|
|
break;
|
|
}
|
|
break;
|
|
case '-':
|
|
if (!strcmp("-nosignals", p)) {
|
|
iap->PrologCannotHandleInterrupts = true;
|
|
break;
|
|
} else if (!strncmp("-output-saved-state=", p,
|
|
strlen("-output-saved-state="))) {
|
|
iap->OutputSavedState = p + strlen("-output-saved-state=");
|
|
} else if (!strncmp("-home=", p, strlen("-home="))) {
|
|
iap->RootDir = p + strlen("-home=");
|
|
} else if (!strncmp("-system-library-directory=", p,
|
|
strlen("-system-library-directory="))) {
|
|
iap->LibDir = p + strlen("-system-library-directory=");
|
|
} else if (!strncmp("-system-shared-directory=", p,
|
|
strlen("-system-shared-directory="))) {
|
|
iap->SharedDir = p + strlen("-system-shared-directory=");
|
|
} else if (!strncmp("-prolog-library-directory=", p,
|
|
strlen("-prolog-library-directory="))) {
|
|
iap->PlDir = p + strlen("-prolog-library-directory=");
|
|
} else if (!strncmp("-dll-library-directory=", p,
|
|
strlen("-dll-library-directory="))) {
|
|
iap->DLLDir = p + strlen("-dll-library-directory=");
|
|
} else if (!strncmp("-home=", p, strlen("-home="))) {
|
|
iap->RootDir = p + strlen("-home=");
|
|
} else if (!strncmp("-home=", p, strlen("-home="))) {
|
|
iap->RootDir = p + strlen("-home=");
|
|
} else if (!strncmp("-home=", p, strlen("-home="))) {
|
|
iap->RootDir = p + strlen("-home=");
|
|
} else if (!strncmp("-cwd=", p, strlen("-cwd="))) {
|
|
if (!Yap_ChDir(p + strlen("-cwd="))) {
|
|
fprintf(stderr, " [ YAP unrecoverable error in setting cwd: %s ]\n",
|
|
strerror(errno));
|
|
}
|
|
} else if (!strncmp("-stack=", p, strlen("-stack="))) {
|
|
ssize = &(iap->StackSize);
|
|
p += strlen("-stack=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-trail=", p, strlen("-trail="))) {
|
|
ssize = &(iap->TrailSize);
|
|
p += strlen("-trail=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-heap=", p, strlen("-heap="))) {
|
|
ssize = &(iap->HeapSize);
|
|
p += strlen("-heap=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-max-stack=", p, strlen("-max-stack="))) {
|
|
ssize = &(iap->MaxStackSize);
|
|
p += strlen("-max-stack=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-max-trail=", p, strlen("-max-trail="))) {
|
|
ssize = &(iap->MaxTrailSize);
|
|
p += strlen("-max-trail=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-max-heap=", p, strlen("-max-heap="))) {
|
|
ssize = &(iap->MaxHeapSize);
|
|
p += strlen("-max-heap=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-goal=", p, strlen("-goal="))) {
|
|
iap->PrologGoal = p + strlen("-goal=");
|
|
} else if (!strncmp("-top-level=", p, strlen("-top-level="))) {
|
|
iap->PrologTopLevelGoal = p + strlen("-top-level=");
|
|
} else if (!strncmp("-table=", p, strlen("-table="))) {
|
|
ssize = &(iap->MaxTableSpaceSize);
|
|
p += strlen("-table=");
|
|
goto GetSize;
|
|
} else if (!strncmp("-", p, strlen("-="))) {
|
|
ssize = &(iap->MaxTableSpaceSize);
|
|
p += strlen("-table=");
|
|
/* skip remaining arguments */
|
|
argc = 1;
|
|
}
|
|
break;
|
|
case 'p':
|
|
if ((*argv)[0] == '\0')
|
|
iap->PrologAddPath = *argv;
|
|
else {
|
|
argc--;
|
|
if (argc == 0) {
|
|
fprintf(stderr, " [ YAP unrecoverable error: missing paths for "
|
|
"option 'p' ]\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
argv++;
|
|
iap->PrologAddPath = *argv;
|
|
}
|
|
break;
|
|
/* nf: Begin preprocessor code */
|
|
case 'D': {
|
|
char *var, *value;
|
|
++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;
|
|
}
|
|
|
|
/**
|
|
YAP_DelayInit()
|
|
|
|
ensures initialization is done after engine creation.
|
|
It receives a pointer to function and a string describing
|
|
the module.
|
|
*/
|
|
|
|
X_API bool YAP_DelayInit(YAP_ModInit_t f, const char s[]) {
|
|
if (m_delays) {
|
|
m_delays = realloc(m_delays, (n_mdelays + 1) * sizeof(YAP_delaymodule_t));
|
|
} else {
|
|
m_delays = malloc(sizeof(YAP_delaymodule_t));
|
|
}
|
|
m_delays[n_mdelays].f = f;
|
|
m_delays[n_mdelays].s = s;
|
|
n_mdelays++;
|
|
return true;
|
|
}
|
|
|
|
bool Yap_LateInit(const char s[]) {
|
|
int i;
|
|
for (i = 0; i < n_mdelays; i++) {
|
|
if (!strcmp(m_delays[i].s, s)) {
|
|
m_delays[i].f();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// whether Yap is under control of some other system
|
|
bool Yap_embedded = true;
|
|
|
|
struct ssz_t {
|
|
size_t Heap, Stack, Trail;
|
|
};
|
|
|
|
static void init_hw(YAP_init_args *yap_init, struct ssz_t *spt) {
|
|
Yap_page_size = Yap_InitPageSize(); /* init memory page size, required by
|
|
later functions */
|
|
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA)
|
|
Yap_init_yapor_global_local_memory();
|
|
#endif /* YAPOR_COPY || YAPOR_COW || YAPOR_SBA */
|
|
if (!yap_init->Embedded) {
|
|
GLOBAL_PrologShouldHandleInterrupts =
|
|
!yap_init->PrologCannotHandleInterrupts;
|
|
Yap_InitSysbits(0); /* init signal handling and time, required by later
|
|
functions */
|
|
GLOBAL_argv = yap_init->Argv;
|
|
GLOBAL_argc = yap_init->Argc;
|
|
}
|
|
|
|
#if __ANDROID__
|
|
|
|
// if (yap_init->assetManager)
|
|
Yap_InitAssetManager();
|
|
|
|
#endif
|
|
|
|
if (yap_init->TrailSize == 0) {
|
|
if (spt->Trail == 0)
|
|
spt->Trail = DefTrailSpace;
|
|
} else {
|
|
spt->Trail = yap_init->TrailSize;
|
|
}
|
|
// Atts = yap_init->AttsSize;
|
|
if (yap_init->StackSize == 0) {
|
|
spt->Stack = DefStackSpace;
|
|
} else {
|
|
spt->Stack = yap_init->StackSize;
|
|
}
|
|
#ifndef USE_SYSTEM_MALLOC
|
|
if (yap_init->HeapSize == 0) {
|
|
if (spt->Heap == 0)
|
|
spt->Heap = DefHeapSpace;
|
|
} else {
|
|
spt->Heap = yap_init->HeapSize;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static YAP_file_type_t end_init(YAP_init_args *yap_init, YAP_file_type_t rc) {
|
|
YAP_initialized = true;
|
|
LOCAL_PrologMode &= ~BootMode;
|
|
return rc;
|
|
}
|
|
|
|
/* this routine is supposed to be called from an external program
|
|
that wants to control Yap */
|
|
|
|
X_API YAP_file_type_t YAP_Init(YAP_init_args *yap_init) {
|
|
YAP_file_type_t restore_result = yap_init->boot_file_type;
|
|
bool do_bootstrap = (restore_result & YAP_CONSULT_MODE);
|
|
struct ssz_t minfo;
|
|
|
|
if (YAP_initialized)
|
|
return YAP_FOUND_BOOT_ERROR;
|
|
if (!LOCAL_TextBuffer)
|
|
LOCAL_TextBuffer = Yap_InitTextAllocator();
|
|
|
|
/* ignore repeated calls to YAP_Init */
|
|
Yap_embedded = yap_init->Embedded;
|
|
|
|
minfo.Trail = 0, minfo.Stack = 0, minfo.Trail = 0;
|
|
init_hw(yap_init, &minfo);
|
|
Yap_InitWorkspace(yap_init, minfo.Heap, minfo.Stack, minfo.Trail, 0,
|
|
yap_init->MaxTableSpaceSize, yap_init->NumberWorkers,
|
|
yap_init->SchedulerLoop, yap_init->DelayedReleaseLoad);
|
|
//
|
|
|
|
CACHE_REGS
|
|
if (Yap_embedded)
|
|
if (yap_init->QuietMode) {
|
|
setVerbosity(TermSilent);
|
|
}
|
|
if (yap_init->PrologRCFile != NULL) {
|
|
/*
|
|
This must be done before restore, otherwise
|
|
restore will print out messages ....
|
|
*/
|
|
setBooleanGlobalPrologFlag(HALT_AFTER_CONSULT_FLAG,
|
|
yap_init->HaltAfterConsult);
|
|
}
|
|
/* tell the system who should cope with interrupts */
|
|
Yap_ExecutionMode = yap_init->ExecutionMode;
|
|
Yap_set_locations(yap_init);
|
|
if (!do_bootstrap && Yap_STARTUP && yap_init->boot_file_type != YAP_BOOT_PL &&
|
|
Yap_SavedInfo(Yap_STARTUP, &minfo.Trail, &minfo.Stack, &minfo.Heap) &&
|
|
Yap_Restore(Yap_STARTUP)) {
|
|
setBooleanGlobalPrologFlag(SAVED_PROGRAM_FLAG, true);
|
|
CurrentModule = LOCAL_SourceModule = USER_MODULE;
|
|
init_globals(yap_init);
|
|
YAP_RunGoalOnce(TermInitProlog);
|
|
|
|
start_modules();
|
|
return end_init(yap_init, YAP_QLY);
|
|
} else {
|
|
init_globals(yap_init);
|
|
|
|
start_modules();
|
|
consult(Yap_BOOTFILE PASS_REGS);
|
|
if (yap_init->install) {
|
|
Term t = MkAtomTerm(Yap_LookupAtom(Yap_OUTPUT_STARTUP));
|
|
Term g = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("qsave_program"), 1),
|
|
1, &t);
|
|
YAP_RunGoalOnce(g);
|
|
}
|
|
setAtomicGlobalPrologFlag(RESOURCE_DATABASE_FLAG,
|
|
MkAtomTerm(Yap_LookupAtom(Yap_BOOTFILE)));
|
|
setBooleanGlobalPrologFlag(SAVED_PROGRAM_FLAG, false);
|
|
return end_init(yap_init, YAP_BOOT_PL);
|
|
}
|
|
}
|
|
|
|
#if (DefTrailSpace < MinTrailSpace)
|
|
#undef DefTrailSpace
|
|
#define DefTrailSpace MinTrailSpace
|
|
#endif
|
|
|
|
#if (DefStackSpace < MinStackSpace)
|
|
#undef DefStackSpace
|
|
#define DefStackSpace MinStackSpace
|
|
#endif
|
|
|
|
#if (DefHeapSpace < MinHeapSpace)
|
|
#undef DefHeapSpace
|
|
#define DefHeapSpace MinHeapSpace
|
|
#endif
|
|
|
|
#define DEFAULT_NUMBERWORKERS 1
|
|
#define DEFAULT_SCHEDULERLOOP 10
|
|
#define DEFAULT_DELAYEDRELEASELOAD 3
|
|
|
|
X_API YAP_file_type_t YAP_FastInit(char *saved_state, int argc, char *argv[]) {
|
|
YAP_init_args init_args;
|
|
YAP_file_type_t out;
|
|
|
|
if ((out = Yap_InitDefaults(&init_args, saved_state, argc, argv)) !=
|
|
YAP_FOUND_BOOT_ERROR)
|
|
out = YAP_Init(&init_args);
|
|
if (out == YAP_FOUND_BOOT_ERROR) {
|
|
Yap_Error(init_args.ErrorNo, TermNil, init_args.ErrorCause);
|
|
}
|
|
return out;
|
|
}
|