booting should not be console controlled.
This commit is contained in:
Vitor Santos Costa
parent
df267a07b9
commit
b112574dc5
208
C/c_interface.c
208
C/c_interface.c
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@ -365,11 +365,6 @@
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#define strncpy(X,Y,Z) strcpy(X,Y)
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#endif
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#define YAP_BOOT_FROM_PROLOG 0
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#define YAP_BOOT_FROM_SAVED_CODE 1
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#define YAP_BOOT_FROM_SAVED_STACKS 2
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#define YAP_BOOT_FROM_SAVED_ERROR -1
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#if defined(_MSC_VER) && defined(YAP_EXPORTS)
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#define X_API __declspec(dllexport)
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#else
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@ -482,7 +477,7 @@ X_API int STD_PROTO(YAP_RecoverSlots,(int));
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X_API void STD_PROTO(YAP_Throw,(Term));
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X_API void STD_PROTO(YAP_Halt,(int));
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X_API Term *STD_PROTO(YAP_TopOfLocalStack,(void));
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X_API void *STD_PROTO(YAP_Predicate,(Atom,unsigned long int,int));
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X_API void *STD_PROTO(YAP_Predicate,(Atom,unsigned long int,Term));
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X_API void STD_PROTO(YAP_PredicateInfo,(void *,Atom *,unsigned long int *,Term *));
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X_API void STD_PROTO(YAP_UserCPredicate,(char *,CPredicate,unsigned long int));
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X_API void STD_PROTO(YAP_UserBackCPredicate,(char *,CPredicate,CPredicate,unsigned long int,unsigned int));
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@ -1305,11 +1300,13 @@ YAP_Execute(PredEntry *pe, CPredicate exec_code)
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CPredicateV codev = (CPredicateV)exec_code;
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struct foreign_context ctx;
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ctx.engine = NULL;
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return ((codev)((&ARG1)-LCL0,0,&ctx));
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}
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if (pe->PredFlags & CArgsPredFlag) {
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return execute_cargs(pe, exec_code);
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fprintf(stderr,"ASP=%p\n",ASP);
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Int out = execute_cargs(pe, exec_code);
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fprintf(stderr,"ASP=%p\n",ASP);
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return out;
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} else {
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return((exec_code)());
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}
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@ -2172,29 +2169,133 @@ YAP_CompileClause(Term t)
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return(Yap_ErrorMessage);
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}
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static int eof_found = FALSE;
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static int yap_lineno = 0;
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static FILE *bootfile;
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static char InitFile[] = "init.yap";
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static char BootFile[] = "boot.yap";
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static int
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mygetc (void)
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{
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int ch;
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if (eof_found)
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return EOF;
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ch = getc (bootfile);
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if (ch == EOF)
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eof_found = TRUE;
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if (ch == '\n') {
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#ifdef MPW
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ch = 10;
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#endif
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yap_lineno++;
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}
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return ch;
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}
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/* do initial boot by consulting the file boot.yap */
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static void
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do_bootfile (char *bootfilename)
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{
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Term t;
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Term term_end_of_file = MkAtomTerm(AtomEof);
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Term term_true = YAP_MkAtomTerm(AtomTrue);
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Functor functor_query = Yap_MkFunctor(Yap_LookupAtom("?-"),1);
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/* consult boot.pl */
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bootfile = fopen (bootfilename, "r");
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if (bootfile == NULL)
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{
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fprintf(stderr, "[ FATAL ERROR: could not open bootfile %s ]\n", bootfilename);
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exit(1);
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}
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/* the consult mode does not matter here, really */
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/*
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To be honest, YAP_InitConsult does not really do much,
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it's here for the future. It also makes what we want to do clearer.
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*/
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YAP_InitConsult(YAP_CONSULT_MODE,bootfilename);
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while (!eof_found)
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{
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t = YAP_Read(mygetc);
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if (eof_found) {
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break;
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}
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if (t == 0)
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{
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fprintf(stderr, "[ SYNTAX ERROR: while parsing bootfile %s at line %d ]\n", bootfilename, yap_lineno);
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exit(1);
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}
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if (YAP_IsVarTerm (t) || t == TermNil)
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{
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continue;
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}
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else if (t == term_true)
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{
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YAP_Exit(0);
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}
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else if (t == term_end_of_file)
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{
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break;
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}
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else if (YAP_IsPairTerm (t))
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{
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fprintf(stderr, "[ SYSTEM ERROR: consult not allowed in boot file ]\n");
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fprintf(stderr, "error found at line %d and pos %d", yap_lineno, fseek(bootfile,0L,SEEK_CUR));
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}
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else if (YAP_IsApplTerm (t) && FunctorOfTerm (t) == functor_query)
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{
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YAP_RunGoalOnce(ArgOfTerm (1, t));
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}
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else
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{
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char *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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/* do backtrack */
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YAP_Reset();
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}
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YAP_EndConsult();
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fclose (bootfile);
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#ifdef DEBUG
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if (output_msg)
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fprintf(stderr,"Boot loaded\n");
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#endif
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}
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/* this routine is supposed to be called from an external program
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that wants to control Yap */
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#if defined(USE_SYSTEM_MALLOC)
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#define BOOT_FROM_SAVED_STATE FALSE
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#else
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#define BOOT_FROM_SAVED_STATE TRUE
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#endif
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X_API Int
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YAP_Init(YAP_init_args *yap_init)
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{
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int restore_result;
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int do_bootstrap = (yap_init->YapPrologBootFile != NULL);
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CELL Trail = 0, Stack = 0, Heap = 0, Atts = 0;
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static char boot_file[256];
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Yap_argv = yap_init->Argv;
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Yap_argc = yap_init->Argc;
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#ifdef USE_SYSTEM_MALLOC
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#if !BOOT_FROM_SAVED_STATE
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if (yap_init->SavedState) {
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fprintf(stderr,"[ WARNING: threaded Yap will ignore saved state %s ]\n",yap_init->SavedState);
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yap_init->SavedState = NULL;
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}
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#endif
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if (yap_init->SavedState != NULL ||
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yap_init->YapPrologBootFile == NULL) {
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if (BOOT_FROM_SAVED_STATE && !do_bootstrap) {
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if (Yap_SavedInfo (yap_init->SavedState, yap_init->YapLibDir, &Trail, &Stack, &Heap) != 1) {
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yap_init->ErrorNo = Yap_Error_TYPE;
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yap_init->ErrorCause = Yap_ErrorMessage;
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return YAP_BOOT_FROM_SAVED_ERROR;
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return YAP_BOOT_ERROR;
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}
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}
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if (yap_init->TrailSize == 0) {
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@ -2243,7 +2344,7 @@ YAP_Init(YAP_init_args *yap_init)
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if (!(Yap_GlobalBase = (ADDR)malloc((Trail+Stack)*1024))) {
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yap_init->ErrorNo = RESOURCE_ERROR_MEMORY;
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yap_init->ErrorCause = "could not allocate stack space for main thread";
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return YAP_BOOT_FROM_SAVED_ERROR;;
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return YAP_BOOT_ERROR;
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}
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#if THREADS
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/* don't forget this is a thread */
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@ -2278,21 +2379,18 @@ YAP_Init(YAP_init_args *yap_init)
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}
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/* tell the system who should cope with interruptions */
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Yap_ExecutionMode = yap_init->ExecutionMode;
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if (yap_init->SavedState != NULL ||
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yap_init->YapPrologBootFile == NULL) {
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#if SUPPORT_CONDOR || SUPPORT_THREADS
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restore_result = YAP_FULL_BOOT_FROM_PROLOG;
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#else
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if (do_bootstrap) {
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restore_result = YAP_BOOT_FROM_PROLOG;
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} else if (BOOT_FROM_SAVED_STATE) {
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restore_result = Yap_Restore(yap_init->SavedState, yap_init->YapLibDir);
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if (restore_result == FAIL_RESTORE) {
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yap_init->ErrorNo = Yap_Error_TYPE;
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yap_init->ErrorCause = Yap_ErrorMessage;
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/* shouldn't RECOVER_MACHINE_REGS(); be here ??? */
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return YAP_BOOT_FROM_SAVED_ERROR;
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return YAP_BOOT_ERROR;
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}
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#endif
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} else {
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restore_result = FAIL_RESTORE;
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restore_result = YAP_BOOT_FROM_PROLOG;
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}
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yap_flags[FAST_BOOT_FLAG] = yap_init->FastBoot;
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#if defined(YAPOR) || defined(TABLING)
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@ -2371,12 +2469,11 @@ YAP_Init(YAP_init_args *yap_init)
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if (yap_init->QuietMode) {
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yap_flags[QUIET_MODE_FLAG] = TRUE;
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}
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if (yap_init->SavedState != NULL ||
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yap_init->YapPrologBootFile == NULL) {
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if (BOOT_FROM_SAVED_STATE && !do_bootstrap) {
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if (restore_result == FAIL_RESTORE) {
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yap_init->ErrorNo = Yap_Error_TYPE;
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yap_init->ErrorCause = Yap_ErrorMessage;
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return YAP_BOOT_FROM_SAVED_ERROR;
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return YAP_BOOT_ERROR;
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}
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if (Atts && Atts*1024 > 2048*sizeof(CELL))
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Yap_AttsSize = Atts*1024;
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@ -2387,8 +2484,65 @@ YAP_Init(YAP_init_args *yap_init)
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} else {
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return YAP_BOOT_FROM_SAVED_STACKS;
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}
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} else {
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/* read the bootfile */
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if (!do_bootstrap) {
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#if HAVE_STRNCAT
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strncpy(boot_file, YAP_PL_SRCDIR, 256);
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#else
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strcpy(boot_file, YAP_PL_SRCDIR);
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#endif
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#if HAVE_STRNCAT
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strncat(boot_file, "/", 255);
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#else
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strcat(boot_file, "/");
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#endif
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#if HAVE_STRNCAT
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strncat(boot_file, BootFile, 255);
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#else
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strcat(boot_file, BootFile);
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#endif
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yap_init->YapPrologBootFile = boot_file;
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}
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do_bootfile (yap_init->YapPrologBootFile ? yap_init->YapPrologBootFile : BootFile);
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/* initialise the top-level */
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if (!do_bootstrap) {
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char init_file[256];
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Atom atfile;
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Functor fgoal;
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YAP_Term goal, as[2];
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#if HAVE_STRNCAT
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strncpy(init_file, YAP_PL_SRCDIR, 256);
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#else
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strcpy(init_file, YAP_PL_SRCDIR);
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#endif
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#if HAVE_STRNCAT
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strncat(init_file, "/", 255);
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#else
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strcat(init_file, "/");
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#endif
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#if HAVE_STRNCAT
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strncat(init_file, InitFile, 255);
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#else
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strcat(init_file, InitFile);
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#endif
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/* consult init file */
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atfile = Yap_LookupAtom(init_file);
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as[0] = MkAtomTerm(atfile);
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fgoal = Yap_MkFunctor(Yap_FullLookupAtom("$silent_bootstrap"), 1);
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goal = Yap_MkApplTerm(fgoal, 1, as);
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/* launch consult */
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YAP_RunGoalOnce(goal);
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/* set default module to user */
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as[0] = MkAtomTerm(AtomUser);
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fgoal = Yap_MkFunctor(Yap_LookupAtom("module"), 1);
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goal = Yap_MkApplTerm(fgoal, 1, as);
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YAP_RunGoalOnce(goal);
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}
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Yap_PutValue(Yap_FullLookupAtom("$live"), MkAtomTerm (Yap_FullLookupAtom("$true")));
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}
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return YAP_BOOT_FROM_PROLOG;
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return restore_result;
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}
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X_API Int
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@ -2427,7 +2581,7 @@ YAP_FastInit(char saved_state[])
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init_args.ErrorCause = NULL;
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init_args.QuietMode = FALSE;
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out = YAP_Init(&init_args);
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if (out == YAP_BOOT_FROM_SAVED_ERROR) {
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if (out == YAP_BOOT_ERROR) {
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Yap_Error(init_args.ErrorNo,TermNil,init_args.ErrorCause);
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}
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return out;
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@ -2553,7 +2707,7 @@ YAP_TopOfLocalStack(void)
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}
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X_API void *
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YAP_Predicate(Atom a, unsigned long int arity, int m)
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YAP_Predicate(Atom a, unsigned long int arity, Term m)
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{
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if (arity == 0) {
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return((void *)RepPredProp(PredPropByAtom(a,m)));
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165
console/yap.c
165
console/yap.c
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@ -76,8 +76,6 @@
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#include <string.h>
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#endif
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static int PROTO(mygetc, (void));
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static void PROTO(do_bootfile, (char *));
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static void PROTO(do_top_goal,(YAP_Term));
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static void PROTO(exec_top_level,(int, YAP_init_args *));
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@ -86,7 +84,6 @@ static int output_msg;
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#endif
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static char BootFile[] = "boot.yap";
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static char InitFile[] = "init.yap";
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#ifdef lint
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/* VARARGS1 */
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@ -96,11 +93,6 @@ static char InitFile[] = "init.yap";
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long _stksize = 32000;
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#endif
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static FILE *bootfile;
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static int eof_found = FALSE;
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static int yap_lineno = 0;
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/* nf: Begin preprocessor code */
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#define MAXDEFS 100
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static char *def_var[MAXDEFS];
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@ -116,24 +108,6 @@ myputc (int ch)
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}
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#endif
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static int
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mygetc (void)
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{
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int ch;
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if (eof_found)
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return EOF;
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ch = getc (bootfile);
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if (ch == EOF)
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eof_found = TRUE;
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if (ch == '\n') {
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#ifdef MPW
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ch = 10;
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#endif
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yap_lineno++;
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}
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return ch;
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}
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static void
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do_top_goal (YAP_Term Goal)
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{
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@ -141,83 +115,9 @@ do_top_goal (YAP_Term Goal)
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if (output_msg)
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fprintf(stderr,"Entering absmi\n");
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#endif
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/* PlPutc(0,'a'); PlPutc(0,'\n'); */
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YAP_RunGoalOnce(Goal);
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}
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/* do initial boot by consulting the file boot.yap */
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static void
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do_bootfile (char *bootfilename)
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{
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YAP_Term t;
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YAP_Term term_nil = YAP_MkAtomTerm(YAP_LookupAtom("[]"));
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YAP_Term term_end_of_file = YAP_MkAtomTerm(YAP_LookupAtom("end_of_file"));
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YAP_Term term_true = YAP_MkAtomTerm(YAP_LookupAtom("true"));
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YAP_Functor functor_query = YAP_MkFunctor(YAP_LookupAtom("?-"),1);
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/* consult boot.pl */
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bootfile = fopen (bootfilename, "r");
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if (bootfile == NULL)
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{
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fprintf(stderr, "[ FATAL ERROR: could not open bootfile %s ]\n", bootfilename);
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exit(1);
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}
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/* the consult mode does not matter here, really */
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/*
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To be honest, YAP_InitConsult does not really do much,
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it's here for the future. It also makes what we want to do clearer.
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*/
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YAP_InitConsult(YAP_CONSULT_MODE,bootfilename);
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while (!eof_found)
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{
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t = YAP_Read(mygetc);
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if (eof_found) {
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break;
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}
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if (t == 0)
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{
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fprintf(stderr, "[ SYNTAX ERROR: while parsing bootfile %s at line %d ]\n", bootfilename, yap_lineno);
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exit(1);
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}
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if (YAP_IsVarTerm (t) || t == term_nil)
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{
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continue;
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}
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else if (t == term_true)
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{
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YAP_Exit(0);
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}
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else if (t == term_end_of_file)
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{
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break;
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}
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else if (YAP_IsPairTerm (t))
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{
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fprintf(stderr, "[ SYSTEM ERROR: consult not allowed in boot file ]\n");
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fprintf(stderr, "error found at line %d and pos %d", yap_lineno, fseek(bootfile,0L,SEEK_CUR));
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}
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else if (YAP_IsApplTerm (t) && YAP_FunctorOfTerm (t) == functor_query)
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{
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do_top_goal(YAP_ArgOfTerm (1, t));
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}
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else
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{
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char *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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/* do backtrack */
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YAP_Reset();
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}
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YAP_EndConsult();
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fclose (bootfile);
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#ifdef DEBUG
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if (output_msg)
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fprintf(stderr,"Boot loaded\n");
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#endif
|
||||
}
|
||||
|
||||
static void
|
||||
print_usage(void)
|
||||
{
|
||||
|
|
@ -720,8 +620,6 @@ parse_yap_arguments(int argc, char *argv[], YAP_init_args *iap)
|
|||
return BootMode;
|
||||
}
|
||||
|
||||
static char boot_file[256];
|
||||
|
||||
static int
|
||||
init_standard_system(int argc, char *argv[], YAP_init_args *iap)
|
||||
{
|
||||
|
|
@ -767,24 +665,6 @@ init_standard_system(int argc, char *argv[], YAP_init_args *iap)
|
|||
|
||||
BootMode = parse_yap_arguments(argc,argv,iap);
|
||||
|
||||
if (BootMode == YAP_FULL_BOOT_FROM_PROLOG) {
|
||||
#if HAVE_STRNCAT
|
||||
strncpy(boot_file, YAP_PL_SRCDIR, 256);
|
||||
#else
|
||||
strcpy(boot_file, YAP_PL_SRCDIR);
|
||||
#endif
|
||||
#if HAVE_STRNCAT
|
||||
strncat(boot_file, "/", 255);
|
||||
#else
|
||||
strcat(boot_file, "/");
|
||||
#endif
|
||||
#if HAVE_STRNCAT
|
||||
strncat(boot_file, BootFile, 255);
|
||||
#else
|
||||
strcat(boot_file, BootFile);
|
||||
#endif
|
||||
iap->YapPrologBootFile = boot_file;
|
||||
}
|
||||
/* init memory */
|
||||
if (BootMode == YAP_BOOT_FROM_PROLOG ||
|
||||
BootMode == YAP_FULL_BOOT_FROM_PROLOG) {
|
||||
|
|
@ -813,51 +693,6 @@ exec_top_level(int BootMode, YAP_init_args *iap)
|
|||
/* continue executing from the frozen stacks */
|
||||
YAP_ContinueGoal();
|
||||
}
|
||||
else if (BootMode == YAP_BOOT_FROM_PROLOG ||
|
||||
BootMode == YAP_FULL_BOOT_FROM_PROLOG)
|
||||
{
|
||||
YAP_Atom livegoal;
|
||||
/* read the bootfile */
|
||||
do_bootfile (iap->YapPrologBootFile ? iap->YapPrologBootFile : BootFile);
|
||||
livegoal = YAP_FullLookupAtom("$live");
|
||||
/* initialise the top-level */
|
||||
if (BootMode == YAP_FULL_BOOT_FROM_PROLOG) {
|
||||
char init_file[256];
|
||||
YAP_Atom atfile;
|
||||
YAP_Functor fgoal;
|
||||
YAP_Term goal, as[2];
|
||||
|
||||
#if HAVE_STRNCAT
|
||||
strncpy(init_file, YAP_PL_SRCDIR, 256);
|
||||
#else
|
||||
strcpy(init_file, YAP_PL_SRCDIR);
|
||||
#endif
|
||||
#if HAVE_STRNCAT
|
||||
strncat(init_file, "/", 255);
|
||||
#else
|
||||
strcat(init_file, "/");
|
||||
#endif
|
||||
#if HAVE_STRNCAT
|
||||
strncat(init_file, InitFile, 255);
|
||||
#else
|
||||
strcat(init_file, InitFile);
|
||||
#endif
|
||||
/* consult init file */
|
||||
atfile = YAP_LookupAtom(init_file);
|
||||
as[0] = YAP_MkAtomTerm(atfile);
|
||||
fgoal = YAP_MkFunctor(YAP_FullLookupAtom("$silent_bootstrap"), 1);
|
||||
goal = YAP_MkApplTerm(fgoal, 1, as);
|
||||
/* launch consult */
|
||||
YAP_RunGoalOnce(goal);
|
||||
/* set default module to user */
|
||||
as[0] = YAP_MkAtomTerm(YAP_LookupAtom("user"));
|
||||
fgoal = YAP_MkFunctor(YAP_FullLookupAtom("module"), 1);
|
||||
goal = YAP_MkApplTerm(fgoal, 1, as);
|
||||
YAP_RunGoalOnce(goal);
|
||||
}
|
||||
YAP_PutValue(livegoal, YAP_MkAtomTerm (YAP_FullLookupAtom("$true")));
|
||||
|
||||
}
|
||||
/* the top-level is now ready */
|
||||
|
||||
/* read it before case someone, that is, Ashwin, hides
|
||||
|
|
|
|||
Reference in New Issue