708 lines
17 KiB
C
708 lines
17 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: qlyr.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 Atom
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LookupAtom(Atom oat)
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{
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CELL hash = (CELL)(oat) % LOCAL_ImportAtomHashTableSize;
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import_atom_hash_entry_t *a;
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a = LOCAL_ImportAtomHashChain[hash];
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while (a) {
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if (a->oval == oat) {
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return a->val;
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}
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a = a->next;
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}
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ERROR(UNKNOWN_ATOM);
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return NIL;
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}
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static void
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InsertAtom(Atom oat, Atom at)
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{
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CELL hash = (CELL)(oat) % LOCAL_ImportAtomHashTableSize;
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import_atom_hash_entry_t *a;
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a = LOCAL_ImportAtomHashChain[hash];
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while (a) {
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if (a->oval == oat) {
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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 = (import_atom_hash_entry_t *)malloc(sizeof(import_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->oval = oat;
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a->next = LOCAL_ImportAtomHashChain[hash];
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LOCAL_ImportAtomHashChain[hash] = a;
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}
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static Functor
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LookupFunctor(Functor ofun)
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{
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CELL hash = (CELL)(ofun) % LOCAL_ImportFunctorHashTableSize;
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import_functor_hash_entry_t *f;
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f = LOCAL_ImportFunctorHashChain[hash];
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while (f) {
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if (f->oval == ofun) {
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return f->val;
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}
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f = f->next;
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}
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ERROR(UNKNOWN_FUNCTOR);
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return NIL;
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}
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static void
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InsertFunctor(Functor ofun, Functor fun)
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{
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CELL hash = (CELL)(ofun) % LOCAL_ImportFunctorHashTableSize;
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import_functor_hash_entry_t *f;
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f = LOCAL_ImportFunctorHashChain[hash];
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while (f) {
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if (f->oval == ofun) {
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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 = (import_functor_hash_entry_t *)malloc(sizeof(import_functor_hash_entry_t));
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if (!f) {
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return;
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}
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f->val = fun;
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f->oval = ofun;
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f->next = LOCAL_ImportFunctorHashChain[hash];
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LOCAL_ImportFunctorHashChain[hash] = f;
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}
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static PredEntry *
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LookupPredEntry(PredEntry *op)
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{
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CELL hash = (CELL)(op) % LOCAL_ImportPredEntryHashTableSize;
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import_pred_entry_hash_entry_t *p;
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p = LOCAL_ImportPredEntryHashChain[hash];
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while (p) {
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if (p->oval == op) {
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return p->val;
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}
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p = p->next;
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}
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ERROR(UNKNOWN_PRED_ENTRY);
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return NIL;
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}
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static void
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InsertPredEntry(PredEntry *op, PredEntry *pe)
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{
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CELL hash = (CELL)(op) % LOCAL_ImportPredEntryHashTableSize;
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import_pred_entry_hash_entry_t *p;
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p = LOCAL_ImportPredEntryHashChain[hash];
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while (p) {
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if (p->oval == op) {
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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 = (import_pred_entry_hash_entry_t *)malloc(sizeof(import_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->val = pe;
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p->oval = op;
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p->next = LOCAL_ImportPredEntryHashChain[hash];
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LOCAL_ImportPredEntryHashChain[hash] = p;
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}
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static OPCODE
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LookupOPCODE(OPCODE op)
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{
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CELL hash = (CELL)(op) % LOCAL_ImportOPCODEHashTableSize;
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import_opcode_hash_entry_t *f;
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f = LOCAL_ImportOPCODEHashChain[hash];
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while (f) {
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if (f->oval == op) {
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return f->val;
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}
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f = f->next;
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}
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ERROR(UNKNOWN_OPCODE);
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return NIL;
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}
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static int
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OpcodeID(OPCODE op)
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{
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CELL hash = (CELL)(op) % LOCAL_ImportOPCODEHashTableSize;
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import_opcode_hash_entry_t *f;
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f = LOCAL_ImportOPCODEHashChain[hash];
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while (f) {
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if (f->oval == op) {
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return f->id;
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}
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f = f->next;
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}
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ERROR(UNKNOWN_OPCODE);
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return NIL;
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}
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static void
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InsertOPCODE(OPCODE op0, int i, OPCODE op)
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{
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CELL hash = (CELL)(op0) % LOCAL_ImportOPCODEHashTableSize;
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import_opcode_hash_entry_t *f;
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f = LOCAL_ImportOPCODEHashChain[hash];
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while (f) {
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if (f->oval == op0) {
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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 = (import_opcode_hash_entry_t *)malloc(sizeof(import_opcode_hash_entry_t));
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if (!f) {
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return;
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}
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f->val = op;
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f->oval = op0;
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f->id = i;
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f->next = LOCAL_ImportOPCODEHashChain[hash];
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LOCAL_ImportOPCODEHashChain[hash] = f;
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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_ImportFunctorHashTableSize = EXPORT_FUNCTOR_TABLE_SIZE;
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LOCAL_ImportFunctorHashChain = (import_functor_hash_entry_t **)calloc(1, sizeof(import_functor_hash_entry_t *)* LOCAL_ImportFunctorHashTableSize);
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LOCAL_ImportAtomHashTableSize = EXPORT_ATOM_TABLE_SIZE;
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LOCAL_ImportAtomHashChain = (import_atom_hash_entry_t **)calloc(1, sizeof(import_atom_hash_entry_t *)* LOCAL_ImportAtomHashTableSize);
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LOCAL_ImportOPCODEHashTableSize = EXPORT_OPCODE_TABLE_SIZE;
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LOCAL_ImportOPCODEHashChain = (import_opcode_hash_entry_t **)calloc(1, sizeof(import_opcode_hash_entry_t *)* LOCAL_ImportOPCODEHashTableSize);
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LOCAL_ImportPredEntryHashTableSize = EXPORT_PRED_ENTRY_TABLE_SIZE;
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LOCAL_ImportPredEntryHashChain = (import_pred_entry_hash_entry_t **)calloc(1, sizeof(import_pred_entry_hash_entry_t *)* LOCAL_ImportPredEntryHashTableSize);
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}
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static void
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CloseHash(void)
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{
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UInt i;
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for (i=0; i < LOCAL_ImportFunctorHashTableSize; i++) {
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import_functor_hash_entry_t *a = LOCAL_ImportFunctorHashChain[i];
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while (a) {
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import_functor_hash_entry_t *a0 = a;
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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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LOCAL_ImportFunctorHashTableSize = 0;
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free(LOCAL_ImportFunctorHashChain);
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LOCAL_ImportFunctorHashChain = NULL;
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for (i=0; i < LOCAL_ImportAtomHashTableSize; i++) {
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import_atom_hash_entry_t *a = LOCAL_ImportAtomHashChain[i];
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while (a) {
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import_atom_hash_entry_t *a0 = a;
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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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LOCAL_ImportAtomHashTableSize = 0;
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free(LOCAL_ImportAtomHashChain);
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LOCAL_ImportAtomHashChain = NULL;
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for (i=0; i < LOCAL_ImportOPCODEHashTableSize; i++) {
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import_opcode_hash_entry_t *a = LOCAL_ImportOPCODEHashChain[i];
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while (a) {
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import_opcode_hash_entry_t *a0 = a;
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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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LOCAL_ImportOPCODEHashTableSize = 0;
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free(LOCAL_ImportOPCODEHashChain);
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LOCAL_ImportOPCODEHashChain = NULL;
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for (i=0; i < LOCAL_ImportPredEntryHashTableSize; i++) {
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import_pred_entry_hash_entry_t *a = LOCAL_ImportPredEntryHashChain[i];
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while (a) {
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import_pred_entry_hash_entry_t *a0 = a;
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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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LOCAL_ImportPredEntryHashTableSize = 0;
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free(LOCAL_ImportPredEntryHashChain);
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LOCAL_ImportPredEntryHashChain = NULL;
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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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return LookupAtom(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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return 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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return MkAtomTerm(LookupAtom(AtomOfTerm(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) CodeVarAdjust__(P PASS_REGS)
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static inline Term
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CodeVarAdjust__ (Term var USES_REGS)
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{
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if (var == 0L)
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return var;
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return (Term)(CharP(var) + LOCAL_HDiff);
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}
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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(Pxb)
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static inline PredEntry *
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PtoPredAdjust(PredEntry *p)
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{
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return LookupPredEntry(p);
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}
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static inline PredEntry *
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PredEntryAdjust(PredEntry *p)
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{
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return LookupPredEntry(p);
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}
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static inline OPCODE
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OpcodeAdjust(OPCODE OP) {
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return LookupOPCODE(OP);
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}
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static inline Term
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ModuleAdjust(Term M) {
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if (!M)
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return M;
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return AtomTermAdjust(M);
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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 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) BlobTermInCodeAdjust__(P PASS_REGS)
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#if TAGS_FAST_OPS
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static inline Term
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BlobTermInCodeAdjust__ (Term t USES_REGS)
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{
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return (Term) ((char *)(t) - LOCAL_HDiff);
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}
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#else
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static inline Term
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BlobTermInCodeAdjust__ (Term t USES_REGS)
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{
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return (Term) ((char *)(t) + LOCAL_HDiff);
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}
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#endif
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#define DBTermAdjust(P) DBTermAdjust__(P PASS_REGS)
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static inline DBTerm *
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DBTermAdjust__ (DBTerm * dbtp USES_REGS)
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{
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return (DBTerm *) ((DBTerm *) (CharP (dbtp) + LOCAL_HDiff));
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}
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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 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) PtoHeapCellAdjust__(P PASS_REGS)
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static inline CELL *
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PtoHeapCellAdjust__ (CELL * ptr USES_REGS)
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{
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return (CELL *) (((CELL *) (CharP (ptr) + LOCAL_HDiff)));
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}
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#define TermToGlobalAdjust(P) (P)
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#define PtoOpAdjust(P) PtoOpAdjust__(P PASS_REGS)
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static inline yamop *PtoOpAdjust__(yamop *ptr USES_REGS) {
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if (ptr)
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return (yamop *) ((char *) (ptr) + LOCAL_HDiff);
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return ptr;
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}
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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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#if PRECOMPUTE_REGADDRESS
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#define XAdjust(P) XAdjust__(P PASS_REGS)
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static inline wamreg
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XAdjust__ (wamreg reg USES_REGS)
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{
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return (wamreg) ((wamreg) ((reg) + LOCAL_XDiff));
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}
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#else
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#define XAdjust(X) (X)
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#endif
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#define YAdjust(X) (X)
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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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#define Yap_op_from_opcode(OP) OpcodeID(OP)
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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
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read_bytes(IOSTREAM *stream, void *ptr, size_t sz)
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{
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return Sfread(ptr, sz, 1, stream);
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}
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static unsigned char
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read_byte(IOSTREAM *stream)
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{
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return Sgetc(stream);
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}
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static UInt
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read_uint(IOSTREAM *stream)
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{
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UInt v;
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read_bytes(stream, &v, sizeof(UInt));
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return v;
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}
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static int
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read_int(IOSTREAM *stream)
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{
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int v;
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read_bytes(stream, &v, sizeof(int));
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return v;
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}
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static qlf_tag_t
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read_tag(IOSTREAM *stream)
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{
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int ch = read_byte(stream);
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return ch;
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}
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static void
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ReadHash(IOSTREAM *stream)
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{
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UInt i;
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RCHECK(read_tag(stream) == QLY_START_X);
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LOCAL_XDiff = (char *)(&ARG1) - (char *)read_uint(stream);
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RCHECK(read_tag(stream) == QLY_START_OPCODES);
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RCHECK(read_int(stream) == _std_top);
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for (i= 0; i < _std_top; i++) {
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InsertOPCODE((OPCODE)read_uint(stream), i, Yap_opcode(i));
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}
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RCHECK(read_tag(stream) == QLY_START_ATOMS);
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LOCAL_ImportAtomHashTableNum = read_uint(stream);
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for (i = 0; i < LOCAL_ImportAtomHashTableNum; i++) {
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Atom oat = (Atom)read_uint(stream);
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Atom at;
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qlf_tag_t tg = read_tag(stream);
|
|
|
|
if (tg == QLY_ATOM_WIDE) {
|
|
wchar_t *rep = (wchar_t *)AllocTempSpace();
|
|
UInt len;
|
|
|
|
len = read_uint(stream);
|
|
if (!EnoughTempSpace(len)) ERROR(OUT_OF_TEMP_SPACE);
|
|
read_bytes(stream, rep, (len+1)*sizeof(wchar_t));
|
|
at = Yap_LookupWideAtom(rep);
|
|
if (at == NIL) ERROR(OUT_OF_ATOM_SPACE);
|
|
} else if (tg == QLY_ATOM) {
|
|
char *rep = (char *)AllocTempSpace();
|
|
UInt len;
|
|
|
|
len = read_uint(stream);
|
|
if (!EnoughTempSpace(len)) ERROR(OUT_OF_TEMP_SPACE);
|
|
read_bytes(stream, rep, (len+1)*sizeof(char));
|
|
at = Yap_LookupAtom(rep);
|
|
if (at == NIL) ERROR(OUT_OF_ATOM_SPACE);
|
|
} else {
|
|
ERROR(BAD_ATOM);
|
|
}
|
|
InsertAtom(oat, at);
|
|
}
|
|
/* functors */
|
|
RCHECK(read_tag(stream) == QLY_START_FUNCTORS);
|
|
LOCAL_ImportFunctorHashTableNum = read_uint(stream);
|
|
for (i = 0; i < LOCAL_ImportFunctorHashTableNum; i++) {
|
|
Functor of = (Functor)read_uint(stream);
|
|
UInt arity = read_uint(stream);
|
|
Atom oat = (Atom)read_uint(stream);
|
|
Atom at = AtomAdjust(oat);
|
|
Functor f = Yap_MkFunctor(at, arity);
|
|
InsertFunctor(of, f);
|
|
}
|
|
RCHECK(read_tag(stream) == QLY_START_PRED_ENTRIES);
|
|
LOCAL_ImportPredEntryHashTableNum = read_uint(stream);
|
|
for (i = 0; i < LOCAL_ImportPredEntryHashTableNum; i++) {
|
|
PredEntry *ope = (PredEntry *)read_uint(stream), *pe;
|
|
UInt arity = read_uint(stream);
|
|
Atom omod = (Atom)read_uint(stream);
|
|
Term mod = MkAtomTerm(AtomAdjust(omod));
|
|
if (arity) {
|
|
Functor of = (Functor)read_uint(stream);
|
|
Functor f = LookupFunctor(of);
|
|
pe = RepPredProp(PredPropByFunc(f,mod));
|
|
} else {
|
|
Atom oa = (Atom)read_uint(stream);
|
|
Atom a = LookupAtom(oa);
|
|
pe = RepPredProp(PredPropByAtom(a,mod));
|
|
}
|
|
InsertPredEntry(ope, pe);
|
|
}
|
|
}
|
|
|
|
static void
|
|
read_clauses(IOSTREAM *stream, PredEntry *pp, UInt nclauses, UInt flags) {
|
|
|
|
if (pp->PredFlags & LogUpdatePredFlag) {
|
|
UInt i;
|
|
|
|
for (i = 0; i < nclauses; i++) {
|
|
char *base = (void *)read_uint(stream);
|
|
UInt size = read_uint(stream);
|
|
LogUpdClause *cl = (LogUpdClause *)Yap_AllocCodeSpace(size);
|
|
|
|
read_bytes(stream, cl, size);
|
|
LOCAL_HDiff = base-(char *)cl;
|
|
RestoreLUClause(cl, pp);
|
|
Yap_AssertzClause(pp, cl->ClCode);
|
|
}
|
|
|
|
} else if (pp->PredFlags & MegaClausePredFlag) {
|
|
CACHE_REGS
|
|
char *base = (void *)read_uint(stream);
|
|
UInt size = read_uint(stream);
|
|
MegaClause *cl = (MegaClause *)Yap_AllocCodeSpace(size);
|
|
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
read_bytes(stream, cl, size);
|
|
RestoreMegaClause(cl PASS_REGS);
|
|
pp->cs.p_code.FirstClause =
|
|
pp->cs.p_code.LastClause =
|
|
cl->ClCode;
|
|
} else if (pp->PredFlags & DynamicPredFlag) {
|
|
UInt i;
|
|
|
|
for (i = 0; i < nclauses; i++) {
|
|
char *base = (void *)read_uint(stream);
|
|
UInt size = read_uint(stream);
|
|
DynamicClause *cl = (DynamicClause *)Yap_AllocCodeSpace(size);
|
|
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
read_bytes(stream, cl, size);
|
|
RestoreDynamicClause(cl, pp);
|
|
Yap_AssertzClause(pp, cl->ClCode);
|
|
}
|
|
|
|
} else {
|
|
UInt i;
|
|
|
|
for (i = 0; i < nclauses; i++) {
|
|
char *base = (void *)read_uint(stream);
|
|
UInt size = read_uint(stream);
|
|
StaticClause *cl = (StaticClause *)Yap_AllocCodeSpace(size);
|
|
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
read_bytes(stream, cl, size);
|
|
RestoreStaticClause(cl PASS_REGS);
|
|
Yap_AssertzClause(pp, cl->ClCode);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
read_pred(IOSTREAM *stream, Term mod) {
|
|
UInt arity = read_uint(stream);
|
|
UInt nclauses, flags, fl1;
|
|
PredEntry *ap;
|
|
|
|
if (arity) {
|
|
Functor f;
|
|
|
|
f = LookupFunctor((Functor)read_uint(stream));
|
|
if ((ap = RepPredProp(PredPropByFunc(f,mod))) == NULL) {
|
|
ERROR(OUT_OF_CODE_SPACE);
|
|
}
|
|
} else {
|
|
Atom a = LookupAtom((Atom)read_uint(stream));
|
|
|
|
if ((ap = RepPredProp(PredPropByAtom(a,mod))) == NULL) {
|
|
ERROR(OUT_OF_CODE_SPACE);
|
|
}
|
|
}
|
|
ap->ArityOfPE = arity;
|
|
flags = ap->PredFlags = read_uint(stream);
|
|
nclauses = read_uint(stream);
|
|
ap->cs.p_code.NOfClauses = 0;
|
|
fl1 = flags & (SourcePredFlag|DynamicPredFlag|LogUpdatePredFlag|CompiledPredFlag|MultiFileFlag|TabledPredFlag|MegaClausePredFlag|CountPredFlag|ProfiledPredFlag|ThreadLocalPredFlag);
|
|
ap->PredFlags |= fl1;
|
|
read_clauses(stream, ap, nclauses, flags);
|
|
}
|
|
|
|
static void
|
|
read_module(IOSTREAM *stream) {
|
|
CACHE_REGS
|
|
Term mod;
|
|
|
|
InitHash();
|
|
ReadHash(stream);
|
|
RCHECK(read_tag(stream) == QLY_START_MODULE);
|
|
mod = (Term)read_uint(stream);
|
|
mod = MkAtomTerm(AtomAdjust(AtomOfTerm(mod)));
|
|
while (read_tag(stream) == QLY_START_PREDICATE) {
|
|
read_pred(stream, mod);
|
|
}
|
|
RCHECK(read_tag(stream) == QLY_END_PREDICATES);
|
|
CloseHash();
|
|
}
|
|
|
|
static Int
|
|
p_read_module_preds( USES_REGS1 )
|
|
{
|
|
IOSTREAM *stream;
|
|
|
|
if (!Yap_getInputStream(Yap_InitSlot(Deref(ARG1) PASS_REGS), &stream)) {
|
|
return FALSE;
|
|
}
|
|
read_module(stream);
|
|
return TRUE;
|
|
}
|
|
|
|
#endif
|
|
|
|
void Yap_InitQLYR(void)
|
|
{
|
|
#if DEBUG
|
|
Yap_InitCPred("$read_module_preds", 1, p_read_module_preds, SyncPredFlag|HiddenPredFlag|UserCPredFlag);
|
|
#endif
|
|
}
|
|
|