1103 lines
33 KiB
C
Executable File
1103 lines
33 KiB
C
Executable File
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/*************************************************************************
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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 "iopreds.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 <stdlib.h>
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#include <stddef.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->HaltAfterBoot);
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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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const char *Yap_BINDIR, *Yap_ROOTDIR, *Yap_SHAREDIR, *Yap_LIBDIR, *Yap_DLLDIR,
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*Yap_PLDIR, *Yap_BOOTSTRAP, *Yap_COMMONSDIR,
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*Yap_INPUT_STARTUP, *Yap_OUTPUT_STARTUP, *Yap_BOOTFILE, *Yap_INCLUDEDIR;
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/**
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* consult loop in C: used to boot the system, butt supports goal execution and recursive consulting.
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*
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* */
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static bool consult(const char *b_file USES_REGS) {
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Term t;
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int c_stream, osno, oactive;
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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 in C */
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int lvl = push_text_stack();
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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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if ((osno = Yap_CheckAlias(AtomLoopStream)) < 0) {
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osno = 0;
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}
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c_stream = YAP_InitConsult(YAP_BOOT_MODE, b_file, &full, &oactive);
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if (c_stream < 0) {
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fprintf(stderr, "[ FATAL ERROR: could not open file %s ]\n", b_file);
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pop_text_stack(lvl);
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exit(1);
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}
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if (!Yap_AddAlias(AtomLoopStream, c_stream)) {
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pop_text_stack(lvl);
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return false;
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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 = MkVarTerm(), pos = MkVarTerm();
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t = YAP_ReadClauseFromStream(c_stream, vs, pos);
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// Yap_GetNèwSlot(t);
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if (t == TermEof)
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break;
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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[c_stream].linecount);
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} else if (IsVarTerm(t) || t == TermNil) {
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fprintf(stderr, "[ line: " Int_FORMAT ": term cannot be compiled ]",
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GLOBAL_Stream[c_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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YAP_CompileClause(t);
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}
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} while (true);
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yap_error_descriptor_t *errd;
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if ((errd =
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Yap_GetException(LOCAL_ActiveError))) {
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fprintf(stderr, "%s:%ld:0: Error %s %s Found\n", errd->errorFile, (long int) errd->errorLine, errd->classAsText,
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errd->errorAsText);
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}
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BACKUP_MACHINE_REGS();
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YAP_EndConsult(c_stream, &osno, full);
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pop_text_stack(lvl);
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return true;
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}
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///
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///
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static const char *sel(bool dir, bool ok1, const char *s1, bool ok2, const char *s2,
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...) {
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if (ok1 && s1)
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return s1;
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if (ok2)
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return s2;
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return NULL;
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}
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static const char *join(const char *s0, const char *s1) {
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CACHE_REGS
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if (!s0 || s0[0] == '\0')
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return s1;
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if (!s1 || s1[0] == '\0')
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return s0;
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// int lvl = push_text_stack();
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char *buf = malloc(FILENAME_MAX + 1);
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strcpy(buf, s0);
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strcat(buf, s1);
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return buf;
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}
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static void Yap_set_locations(YAP_init_args *iap) {
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/// ROOT_DIR is the home of the YAP system. It can be:
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/// -- provided by the user;
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/// -- obtained from DESTDIR + DE=efalkRoot
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///
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/// It is:
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// --_not useful in Android, WIN32;
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/// -- DESTDIR/ in Anaconda
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/// -- /usr/locall in most Unix style systems
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Yap_ROOTDIR = sel(true, iap->ROOTDIR != NULL, iap->ROOTDIR, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_ROOTDIR),
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#endif
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false);
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/// BINDIR: where the OS stores header files, namely libYap...
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Yap_BINDIR = sel(true, iap->BINDIR != NULL, iap->BINDIR, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_BINDIR),
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#endif
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false);
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/// LIBDIR: where the OS stores dynamic libraries, namely libYap...
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Yap_LIBDIR = sel(true, iap->LIBDIR != NULL, iap->LIBDIR, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_LIBDIR),
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#endif
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false);
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/// DLLDIR: where libraries can find expicitely loaded DLLs
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Yap_DLLDIR = sel(true, iap->DLLDIR != NULL, iap->DLLDIR, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_DLLDIR),
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#endif
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false);
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/// INCLUDEDIR: where the OS stores header files, namely libYap...
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Yap_INCLUDEDIR = sel(true, iap->INCLUDEDIR != NULL, iap->INCLUDEDIR, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_INCLUDEDIR),
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#endif
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false);
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/// SHAREDIR: where OS & ARCH independent files live
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Yap_SHAREDIR = sel(true, iap->SHAREDIR != NULL, iap->SHAREDIR, true,
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#if __ANDROID__
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"/assets",
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#else
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join(getenv("DESTDIR"), YAP_SHAREDIR),
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#endif
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false);
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/// PLDIR: where we can find Prolog files
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Yap_PLDIR = sel(true, iap->PLDIR != NULL, iap->PLDIR, true,
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#if __ANDROID__
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"/assets/Yap",
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#else
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join(getenv("DESTDIR"), YAP_PLDIR),
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#endif
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false);
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/// ``COMMONSDIR: Prolog Commons
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Yap_COMMONSDIR = sel(true, iap->COMMONSDIR != NULL, iap->COMMONSDIR, true,
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#if __ANDROID__
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"/assets/PrologCommons",
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#else
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join(getenv("DESTDIR"), YAP_SHAREDIR "/PrologCommons"),
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#endif
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false);
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/// BOOTPLDIR: where we can find Prolog bootstrap files
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Yap_BOOTSTRAP = sel(true, iap->BOOTSTRAP != NULL, iap->BOOTSTRAP, true,
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#if __ANDROID__
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"/assets/Yap/pl/boot.yap",
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#else
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join(getenv("DESTDIR"), YAP_BOOTSTRAP),
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#endif
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false);
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/// BOOTFILE: where we can find the core Prolog boot file
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Yap_BOOTFILE = sel(false, iap->BOOTFILE != NULL, iap->BOOTFILE, true,
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#if __ANDROID__
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"/assets/Yap/pl/boot.yap",
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#else
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join(getenv("DESTDIR"), YAP_BOOTFILE),
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#endif
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false);
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/// STARTUP: where we can find the core Prolog bootstrap file
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Yap_OUTPUT_STARTUP =
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sel(false, iap->OUTPUT_STARTUP != NULL, iap->OUTPUT_STARTUP, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_OUTPUT_STARTUP),
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#endif
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false);
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Yap_INPUT_STARTUP =
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sel(false, iap->INPUT_STARTUP != NULL, iap->INPUT_STARTUP, true,
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#if __ANDROID__
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NULL,
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#else
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join(getenv("DESTDIR"), YAP_INPUT_STARTUP),
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#endif
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false);
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if (Yap_ROOTDIR)
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setAtomicGlobalPrologFlag(HOME_FLAG,
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MkAtomTerm(Yap_LookupAtom(Yap_ROOTDIR)));
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if (Yap_PLDIR)
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setAtomicGlobalPrologFlag(PROLOG_LIBRARY_DIRECTORY_FLAG,
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MkAtomTerm(Yap_LookupAtom(Yap_PLDIR)));
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if (Yap_DLLDIR)
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setAtomicGlobalPrologFlag(PROLOG_FOREIGN_DIRECTORY_FLAG,
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MkAtomTerm(Yap_LookupAtom(Yap_DLLDIR)));
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}
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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 T)\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,
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" -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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X_API YAP_file_type_t Yap_InitDefaults(void *x, char *saved_state, int argc,
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char *argv[]) {
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if (!LOCAL_TextBuffer)
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LOCAL_TextBuffer = Yap_InitTextAllocator();
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YAP_init_args *iap = x;
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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->INPUT_STARTUP = NULL;
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iap->assetManager = NULL;
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#else
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iap->boot_file_type = YAP_QLY;
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iap->INPUT_STARTUP = 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 YAP_QLY;
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}
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/**
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* @short Paese command line
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* @param argc number of arguments
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* @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->BOOTFILE = p + 1;
|
||
else if (argv[1] && *argv[1] != '-') {
|
||
iap->BOOTFILE = *++argv;
|
||
argc--;
|
||
}
|
||
break;
|
||
case 'B':
|
||
iap->boot_file_type = YAP_BOOT_PL;
|
||
if (p[1])
|
||
iap->BOOTSTRAP = p + 1;
|
||
else if (argv[1] && *argv[1] != '-') {
|
||
iap->BOOTSTRAP = *++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->HaltAfterBoot = 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);
|
||
}
|
||
iap->HaltAfterBoot = true;
|
||
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->OUTPUT_STARTUP = 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->SHAREDIR = 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("-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->INPUT_STARTUP = 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;
|
||
}
|
||
|
||
struct ssz_t {
|
||
size_t Heap, Stack, Trail;
|
||
};
|
||
|
||
bool Yap_Embedded;
|
||
|
||
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) {
|
||
yap_init->install = false;
|
||
GLOBAL_PrologShouldHandleInterrupts =
|
||
yap_init->PrologCannotHandleInterrupts = true;
|
||
} else {
|
||
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 void end_init(YAP_init_args *iap) {
|
||
YAP_initialized = true;
|
||
if (iap->HaltAfterBoot) Yap_exit(0);
|
||
LOCAL_PrologMode &= ~BootMode;
|
||
CurrentModule = USER_MODULE;
|
||
}
|
||
|
||
static void start_modules(void) {
|
||
Term cm = CurrentModule;
|
||
size_t i;
|
||
for (i = 0; i < n_mdelays; i++) {
|
||
CurrentModule = MkAtomTerm(YAP_LookupAtom(m_delays[i].s));
|
||
m_delays[i].f();
|
||
}
|
||
CurrentModule = cm;
|
||
}
|
||
|
||
/* this routine is supposed to be called from an external program
|
||
that wants to control Yap */
|
||
|
||
X_API void YAP_Init(YAP_init_args *yap_init) {
|
||
bool try_restore = yap_init->boot_file_type == YAP_QLY;
|
||
bool do_bootstrap = yap_init->boot_file_type == YAP_BOOT_PL;
|
||
struct ssz_t minfo;
|
||
|
||
if (YAP_initialized)
|
||
/* ignore repeated calls to YAP_Init */
|
||
return;
|
||
if (!LOCAL_TextBuffer)
|
||
LOCAL_TextBuffer = Yap_InitTextAllocator();
|
||
|
||
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_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->HaltAfterBoot);
|
||
}
|
||
/* tell the system who should cope with interrupts */
|
||
Yap_ExecutionMode = yap_init->ExecutionMode;
|
||
Yap_set_locations(yap_init);
|
||
|
||
if (do_bootstrap ||
|
||
!try_restore ||
|
||
!Yap_SavedInfo(Yap_INPUT_STARTUP, &minfo.Trail, &minfo.Stack,
|
||
&minfo.Heap) ) {
|
||
init_globals(yap_init);
|
||
|
||
start_modules();
|
||
CurrentModule = PROLOG_MODULE;
|
||
TermEof = MkAtomTerm( Yap_LookupAtom("end_of_file"));
|
||
consult(Yap_BOOTSTRAP PASS_REGS);
|
||
setAtomicGlobalPrologFlag(RESOURCE_DATABASE_FLAG,
|
||
MkAtomTerm(Yap_LookupAtom(Yap_BOOTFILE)));
|
||
setBooleanGlobalPrologFlag(SAVED_PROGRAM_FLAG, false);
|
||
} else {
|
||
Yap_Restore(Yap_INPUT_STARTUP);
|
||
init_globals(yap_init);
|
||
|
||
start_modules();
|
||
if (yap_init->install && Yap_OUTPUT_STARTUP) {
|
||
setAtomicGlobalPrologFlag(RESOURCE_DATABASE_FLAG,
|
||
MkAtomTerm(Yap_LookupAtom(Yap_INPUT_STARTUP)));
|
||
setBooleanGlobalPrologFlag(SAVED_PROGRAM_FLAG, true);
|
||
}
|
||
}
|
||
YAP_RunGoalOnce(TermInitProlog);
|
||
if (yap_init->install && Yap_OUTPUT_STARTUP) {
|
||
Term t = MkAtomTerm(Yap_LookupAtom(Yap_OUTPUT_STARTUP));
|
||
Term g = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("qsave_program"), 1),
|
||
1, &t);
|
||
|
||
YAP_RunGoalOnce(g);
|
||
}
|
||
|
||
end_init(yap_init);
|
||
}
|
||
|
||
#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 void 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)
|
||
YAP_Init(&init_args);
|
||
if (out == YAP_FOUND_BOOT_ERROR) {
|
||
Yap_Error(init_args.ErrorNo, TermNil, init_args.ErrorCause);
|
||
}
|
||
}
|