532 lines
13 KiB
C
532 lines
13 KiB
C
/*************************************************************************
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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. Santos Costa and Universidade do Porto 1985-- *
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* *
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**************************************************************************
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* *
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* File: qlyw.c *
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* comments: quick saver/loader *
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* *
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* Last rev: $Date: 2011-08-29$,$Author: vsc $ *
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* $Log: not supported by cvs2svn $ *
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* *
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*************************************************************************/
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#if DEBUG
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#include <SWI-Stream.h>
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#include "absmi.h"
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#include "Foreign.h"
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#include "alloc.h"
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#include "yapio.h"
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#include "iopreds.h"
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#include "attvar.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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#include "qly.h"
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STATIC_PROTO(void RestoreEntries, (PropEntry *, int USES_REGS));
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STATIC_PROTO(void CleanCode, (PredEntry * USES_REGS));
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static void
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LookupAtom(Atom at)
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{
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char *p = RepAtom(at)->StrOfAE;
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CELL hash = HashFunction((unsigned char *)p) % LOCAL_ExportAtomHashTableSize;
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export_atom_hash_entry_t *a;
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a = LOCAL_ExportAtomHashChain[hash];
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while (a) {
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if (a->val == at) {
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return;
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}
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a = a->next;
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}
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a = (export_atom_hash_entry_t *)malloc(sizeof(export_atom_hash_entry_t));
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if (!a) {
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return;
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}
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a->val = at;
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a->next = LOCAL_ExportAtomHashChain[hash];
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LOCAL_ExportAtomHashChain[hash] = a;
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LOCAL_ExportAtomHashTableNum++;
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}
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static void
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LookupFunctor(Functor fun)
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{
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CELL hash = (CELL)(fun) % LOCAL_ExportFunctorHashTableSize;
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export_functor_hash_entry_t *f;
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Atom name = NameOfFunctor(fun);
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UInt arity = ArityOfFunctor(fun);
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f = LOCAL_ExportFunctorHashChain[hash];
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while (f) {
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if (f->name == name && f->arity == arity) {
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return;
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}
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f = f->next;
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}
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f = (export_functor_hash_entry_t *)malloc(sizeof(export_functor_hash_entry_t));
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if (!f) {
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return;
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}
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LookupAtom(name);
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f->val = fun;
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f->name = name;
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f->arity = arity;
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f->next = LOCAL_ExportFunctorHashChain[hash];
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LOCAL_ExportFunctorHashChain[hash] = f;
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LOCAL_ExportFunctorHashTableNum++;
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}
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static void
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LookupPredEntry(PredEntry *pe)
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{
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CELL hash = (CELL)(pe) % LOCAL_ExportPredEntryHashTableSize;
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export_pred_entry_hash_entry_t *p;
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UInt arity = pe->ArityOfPE;
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p = LOCAL_ExportPredEntryHashChain[hash];
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while (p) {
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if (p->val == pe) {
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return;
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}
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p = p->next;
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}
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p = (export_pred_entry_hash_entry_t *)malloc(sizeof(export_pred_entry_hash_entry_t));
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if (!p) {
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return;
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}
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p->arity = arity;
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p->val = pe;
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if (arity) {
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p->u.f = pe->FunctorOfPred;
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LookupFunctor(pe->FunctorOfPred);
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} else {
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p->u.a = (Atom)(pe->FunctorOfPred);
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LookupAtom((Atom)(pe->FunctorOfPred));
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}
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if (pe->ModuleOfPred) {
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p->module = AtomOfTerm(pe->ModuleOfPred);
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} else {
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p->module = AtomProlog;
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}
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LookupAtom(p->module);
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p->next = LOCAL_ExportPredEntryHashChain[hash];
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LOCAL_ExportPredEntryHashChain[hash] = p;
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LOCAL_ExportPredEntryHashTableNum++;
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}
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static void
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InitHash(void)
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{
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LOCAL_ExportFunctorHashTableNum = 0;
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LOCAL_ExportFunctorHashTableSize = EXPORT_FUNCTOR_TABLE_SIZE;
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LOCAL_ExportFunctorHashChain = (export_functor_hash_entry_t **)calloc(1, sizeof(export_functor_hash_entry_t *)* LOCAL_ExportFunctorHashTableSize);
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LOCAL_ExportAtomHashTableNum = 0;
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LOCAL_ExportAtomHashTableSize = EXPORT_ATOM_TABLE_SIZE;
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LOCAL_ExportAtomHashChain = (export_atom_hash_entry_t **)calloc(1, sizeof(export_atom_hash_entry_t *)* LOCAL_ExportAtomHashTableSize);
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LOCAL_ExportPredEntryHashTableNum = 0;
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LOCAL_ExportPredEntryHashTableSize = EXPORT_PRED_ENTRY_TABLE_SIZE;
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LOCAL_ExportPredEntryHashChain = (export_pred_entry_hash_entry_t **)calloc(1, sizeof(export_pred_entry_hash_entry_t *)* LOCAL_ExportPredEntryHashTableSize);
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}
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static void
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CloseHash(void)
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{
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LOCAL_ExportFunctorHashTableNum = 0;
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LOCAL_ExportFunctorHashTableSize = 0L;
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free(LOCAL_ExportFunctorHashChain);
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LOCAL_ExportAtomHashTableNum = 0;
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LOCAL_ExportAtomHashTableSize = 0L;
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free(LOCAL_ExportAtomHashChain);
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LOCAL_ExportPredEntryHashTableNum = 0;
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LOCAL_ExportPredEntryHashTableSize = 0L;
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free(LOCAL_ExportPredEntryHashChain);
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}
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static inline Atom
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AtomAdjust(Atom a)
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{
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LookupAtom(a);
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return a;
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}
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static inline Functor
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FuncAdjust(Functor f)
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{
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LookupFunctor(f);
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return f;
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}
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static inline Term
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AtomTermAdjust(Term t)
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{
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LookupAtom(AtomOfTerm(t));
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return t;
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}
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static inline Term
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TermToGlobalOrAtomAdjust(Term t)
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{
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if (t && IsAtomTerm(t))
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return AtomTermAdjust(t);
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return t;
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}
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#define IsOldCode(P) FALSE
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#define IsOldCodeCellPtr(P) FALSE
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#define IsOldDelay(P) FALSE
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#define IsOldDelayPtr(P) FALSE
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#define IsOldLocalInTR(P) FALSE
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#define IsOldLocalInTRPtr(P) FALSE
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#define IsOldGlobal(P) FALSE
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#define IsOldGlobalPtr(P) FALSE
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#define IsOldTrail(P) FALSE
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#define IsOldTrailPtr(P) FALSE
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#define CharP(X) ((char *)(X))
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#define REINIT_LOCK(P)
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#define REINIT_RWLOCK(P)
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#define BlobTypeAdjust(P) (P)
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#define NoAGCAtomAdjust(P) (P)
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#define OrArgAdjust(P)
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#define TabEntryAdjust(P)
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#define IntegerAdjust(D) (D)
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#define AddrAdjust(P) (P)
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#define MFileAdjust(P) (P)
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#define CodeVarAdjust(P) (P)
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#define ConstantAdjust(P) (P)
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#define ArityAdjust(P) (P)
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#define DoubleInCodeAdjust(P)
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#define IntegerInCodeAdjust(P)
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#define OpcodeAdjust(P) (P)
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static inline Term
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ModuleAdjust(Term t)
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{
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if (!t) return t;
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return AtomTermAdjust(t);
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}
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static inline PredEntry *
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PredEntryAdjust(PredEntry *pe)
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{
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LookupPredEntry(pe);
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return pe;
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}
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static inline PredEntry *
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PtoPredAdjust(PredEntry *pe)
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{
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LookupPredEntry(pe);
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return pe;
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}
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#define ExternalFunctionAdjust(P) (P)
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#define DBRecordAdjust(P) (P)
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#define PredEntryAdjust(P) (P)
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#define ModEntryPtrAdjust(P) (P)
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#define AtomEntryAdjust(P) (P)
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#define GlobalEntryAdjust(P) (P)
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#define BlobTermInCodeAdjust(P) (P)
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#define CellPtoHeapAdjust(P) (P)
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#define PtoAtomHashEntryAdjust(P) (P)
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#define CellPtoHeapCellAdjust(P) (P)
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#define CellPtoTRAdjust(P) (P)
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#define CodeAddrAdjust(P) (P)
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#define ConsultObjAdjust(P) (P)
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#define DelayAddrAdjust(P) (P)
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#define DelayAdjust(P) (P)
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#define GlobalAdjust(P) (P)
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#define DBRefAdjust(P) (P)
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#define DBRefPAdjust(P) (P)
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#define DBTermAdjust(P) (P)
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#define LUIndexAdjust(P) (P)
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#define SIndexAdjust(P) (P)
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#define LocalAddrAdjust(P) (P)
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#define GlobalAddrAdjust(P) (P)
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#define OpListAdjust(P) (P)
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#define PtoLUCAdjust(P) (P)
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#define PtoStCAdjust(P) (P)
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#define PtoArrayEAdjust(P) (P)
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#define PtoArraySAdjust(P) (P)
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#define PtoGlobalEAdjust(P) (P)
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#define PtoDelayAdjust(P) (P)
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#define PtoGloAdjust(P) (P)
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#define PtoLocAdjust(P) (P)
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#define PtoHeapCellAdjust(P) (P)
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#define TermToGlobalAdjust(P) (P)
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#define PtoOpAdjust(P) (P)
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#define PtoLUClauseAdjust(P) (P)
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#define PtoLUIndexAdjust(P) (P)
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#define PtoDBTLAdjust(P) (P)
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#define PtoPtoPredAdjust(P) (P)
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#define OpRTableAdjust(P) (P)
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#define OpEntryAdjust(P) (P)
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#define PropAdjust(P) (P)
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#define TrailAddrAdjust(P) (P)
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#define XAdjust(P) (P)
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#define YAdjust(P) (P)
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#define HoldEntryAdjust(P) (P)
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#define CodeCharPAdjust(P) (P)
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#define CodeVoidPAdjust(P) (P)
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#define HaltHookAdjust(P) (P)
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#define recompute_mask(dbr)
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#define rehash(oldcode, NOfE, KindOfEntries)
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#define RestoreSWIHash()
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#include "rheap.h"
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static void
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RestoreHashPreds( USES_REGS1 )
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{
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}
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static void
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RestoreAtomList(Atom atm USES_REGS)
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{
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}
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static size_t save_bytes(IOSTREAM *stream, void *ptr, size_t sz)
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{
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return Sfwrite(ptr, sz, 1, stream);
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}
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static size_t save_byte(IOSTREAM *stream, int byte)
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{
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Sputc(byte, stream);
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return 1;
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}
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static size_t save_uint(IOSTREAM *stream, UInt val)
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{
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UInt v = val;
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return save_bytes(stream, &v, sizeof(UInt));
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}
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static size_t save_int(IOSTREAM *stream, int val)
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{
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UInt v = val;
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return save_bytes(stream, &v, sizeof(int));
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}
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static size_t save_tag(IOSTREAM *stream, qlf_tag_t tag)
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{
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return save_byte(stream, tag);
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}
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static int
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SaveHash(IOSTREAM *stream)
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{
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UInt i;
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/* first, current opcodes */
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CHECK(save_tag(stream, QLY_START_X));
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save_uint(stream, (UInt)&ARG1);
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CHECK(save_tag(stream, QLY_START_OPCODES));
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save_int(stream, _std_top);
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for (i= 0; i < _std_top; i++) {
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save_uint(stream, (UInt)Yap_opcode(i));
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}
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CHECK(save_tag(stream, QLY_START_ATOMS));
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CHECK(save_uint(stream, LOCAL_ExportAtomHashTableNum));
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for (i = 0; i < LOCAL_ExportAtomHashTableSize; i++) {
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export_atom_hash_entry_t *a = LOCAL_ExportAtomHashChain[i];
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while (a) {
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export_atom_hash_entry_t *a0 = a;
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Atom at = a->val;
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CHECK(save_uint(stream, (UInt)at));
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if (IsWideAtom(at)) {
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CHECK(save_tag(stream, QLY_ATOM_WIDE));
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CHECK(save_uint(stream, wcslen(RepAtom(at)->WStrOfAE)));
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CHECK(save_bytes(stream, at->WStrOfAE, (wcslen(at->WStrOfAE)+1)*sizeof(wchar_t)));
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} else {
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CHECK(save_tag(stream, QLY_ATOM));
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CHECK(save_uint(stream, strlen(RepAtom(at)->StrOfAE)));
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CHECK(save_bytes(stream, at->StrOfAE, (strlen(at->StrOfAE)+1)*sizeof(char)));
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}
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a = a->next;
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free(a0);
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}
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}
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save_tag(stream, QLY_START_FUNCTORS);
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save_uint(stream, LOCAL_ExportFunctorHashTableNum);
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for (i = 0; i < LOCAL_ExportFunctorHashTableSize; i++) {
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export_functor_hash_entry_t *f = LOCAL_ExportFunctorHashChain[i];
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while (f) {
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export_functor_hash_entry_t *f0 = f;
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CHECK(save_uint(stream, (UInt)(f->val)));
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CHECK(save_uint(stream, f->arity));
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CHECK(save_uint(stream, (CELL)(f->name)));
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f = f->next;
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free(f0);
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}
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}
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save_tag(stream, QLY_START_PRED_ENTRIES);
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save_uint(stream, LOCAL_ExportPredEntryHashTableNum);
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for (i = 0; i < LOCAL_ExportPredEntryHashTableSize; i++) {
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export_pred_entry_hash_entry_t *p = LOCAL_ExportPredEntryHashChain[i];
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while (p) {
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export_pred_entry_hash_entry_t *p0 = p;
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CHECK(save_uint(stream, (UInt)(p->val)));
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CHECK(save_uint(stream, p->arity));
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CHECK(save_uint(stream, (UInt)p->module));
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CHECK(save_uint(stream, (UInt)p->u.f));
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p = p->next;
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free(p0);
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}
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}
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return 1;
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}
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static size_t
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save_clauses(IOSTREAM *stream, PredEntry *pp) {
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yamop *FirstC, *LastC;
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FirstC = pp->cs.p_code.FirstClause;
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LastC = pp->cs.p_code.LastClause;
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if (FirstC == NULL && LastC == NULL) {
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return 1;
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}
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if (pp->PredFlags & LogUpdatePredFlag) {
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LogUpdClause *cl = ClauseCodeToLogUpdClause(FirstC);
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while (cl != NULL) {
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UInt size = cl->ClSize;
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CHECK(save_uint(stream, (UInt)cl));
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CHECK(save_uint(stream, size));
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CHECK(save_bytes(stream, cl, size));
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cl = cl->ClNext;
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}
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} else if (pp->PredFlags & MegaClausePredFlag) {
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MegaClause *cl = ClauseCodeToMegaClause(FirstC);
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UInt size = cl->ClSize;
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CHECK(save_uint(stream, (UInt)cl));
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CHECK(save_uint(stream, size));
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CHECK(save_bytes(stream, cl, size));
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} else if (pp->PredFlags & DynamicPredFlag) {
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yamop *cl = FirstC;
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do {
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DynamicClause *dcl = ClauseCodeToDynamicClause(cl);
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UInt size = dcl->ClSize;
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CHECK(save_uint(stream, (UInt)cl));
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CHECK(save_uint(stream, size));
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CHECK(save_bytes(stream, dcl, size));
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if (cl == LastC) return 1;
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cl = NextDynamicClause(cl);
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} while (TRUE);
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} else {
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StaticClause *cl = ClauseCodeToStaticClause(FirstC);
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do {
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UInt size = cl->ClSize;
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CHECK(save_uint(stream, (UInt)cl));
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CHECK(save_uint(stream, size));
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CHECK(save_bytes(stream, cl, size));
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if (cl->ClCode == LastC) return 1;
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cl = cl->ClNext;
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} while (TRUE);
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}
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return 1;
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}
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static size_t
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save_pred(IOSTREAM *stream, PredEntry *ap) {
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CHECK(save_uint(stream, ap->ArityOfPE));
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CHECK(save_uint(stream, (UInt)(ap->FunctorOfPred)));
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CHECK(save_uint(stream, ap->PredFlags));
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CHECK(save_uint(stream, ap->cs.p_code.NOfClauses));
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return save_clauses(stream, ap);
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}
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static int
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clean_pred(PredEntry *pp USES_REGS) {
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if (pp->PredFlags & (AsmPredFlag|CPredFlag)) {
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/* assembly */
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if (pp->CodeOfPred) {
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CleanClauses(pp->CodeOfPred, pp->CodeOfPred, pp PASS_REGS);
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}
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} else {
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CleanClauses(pp->cs.p_code.FirstClause, pp->cs.p_code.LastClause, pp PASS_REGS);
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}
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return TRUE;
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}
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static size_t
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save_module(IOSTREAM *stream, Term mod) {
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CACHE_REGS
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PredEntry *ap = Yap_ModulePred(mod);
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InitHash();
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ModuleAdjust(mod);
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while (ap) {
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if (ap->ArityOfPE) {
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FuncAdjust(ap->FunctorOfPred);
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} else {
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AtomAdjust((Atom)(ap->FunctorOfPred));
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}
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CHECK(clean_pred(ap PASS_REGS));
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ap = ap->NextPredOfModule;
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}
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SaveHash(stream);
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CHECK(save_tag(stream, QLY_START_MODULE));
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CHECK(save_uint(stream, (UInt)mod));
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ap = Yap_ModulePred(mod);
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while (ap) {
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CHECK(save_tag(stream, QLY_START_PREDICATE));
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CHECK(save_pred(stream, ap));
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ap = ap->NextPredOfModule;
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}
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CHECK(save_tag(stream, QLY_END_PREDICATES));
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CloseHash();
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return 1;
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}
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static Int
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p_save_module_preds( USES_REGS1 )
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{
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IOSTREAM *stream;
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Term tmod = Deref(ARG2);
|
|
|
|
if (!Yap_getOutputStream(Yap_InitSlot(Deref(ARG1) PASS_REGS), &stream)) {
|
|
return FALSE;
|
|
}
|
|
if (IsVarTerm(tmod)) {
|
|
Yap_Error(INSTANTIATION_ERROR,tmod,"save_module/2");
|
|
return FALSE;
|
|
}
|
|
if (!IsAtomTerm(tmod)) {
|
|
Yap_Error(TYPE_ERROR_ATOM,tmod,"save_module/2");
|
|
return FALSE;
|
|
}
|
|
return save_module(stream, tmod) != 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
void Yap_InitQLY(void)
|
|
{
|
|
#if DEBUG
|
|
Yap_InitCPred("$save_module_preds", 2, p_save_module_preds, SyncPredFlag|HiddenPredFlag|UserCPredFlag);
|
|
#endif
|
|
}
|
|
|