1192 lines
29 KiB
C
Executable File
1192 lines
29 KiB
C
Executable File
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V. 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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#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 void RestoreEntries(PropEntry *, int USES_REGS);
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static void CleanCode(PredEntry * USES_REGS);
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typedef enum {
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OUT_OF_TEMP_SPACE = 0,
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OUT_OF_ATOM_SPACE = 1,
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OUT_OF_CODE_SPACE = 2,
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UNKNOWN_ATOM = 3,
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UNKNOWN_FUNCTOR = 4,
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UNKNOWN_PRED_ENTRY = 5,
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UNKNOWN_OPCODE = 6,
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UNKNOWN_DBREF = 7,
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BAD_ATOM = 8,
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MISMATCH = 9,
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INCONSISTENT_CPRED = 10,
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BAD_READ = 11,
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BAD_HEADER = 12
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} qlfr_err_t;
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static char *
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qlyr_error[] = { "out of temporary space",
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"out of temporary space",
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"out of code space",
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"unknown atom in saved space",
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"unknown functor in saved space",
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"unknown predicate in saved space",
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"unknown YAAM opcode in saved space",
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"unknown data-base reference in saved space",
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"corrupted atom in saved space",
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"formatting mismatch in saved space",
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"foreign predicate has different definition in saved space",
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"bad read" };
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static char *
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Yap_AlwaysAllocCodeSpace(UInt size)
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{
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char *out;
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while (!(out = Yap_AllocCodeSpace(size))) {
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if (!Yap_growheap(FALSE, size, NULL)) {
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return NULL;
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}
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}
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return out;
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}
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static void
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QLYR_ERROR(qlfr_err_t my_err)
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{
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// __android_log_print(ANDROID_LOG_INFO, "YAP ", "error %s in saved state %s",GLOBAL_RestoreFile, qlyr_error[my_err]);
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Yap_Error(SYSTEM_ERROR_SAVED_STATE,TermNil,"error %s in saved state %s",GLOBAL_RestoreFile, qlyr_error[my_err]);
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Yap_exit(1);
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}
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static Atom
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LookupAtom(Atom oat)
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{
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CACHE_REGS
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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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// __android_log_print(ANDROID_LOG_INFO, "YAP ", "error %p in saved state ", oat);
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QLYR_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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CACHE_REGS
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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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CACHE_REGS
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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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QLYR_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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CACHE_REGS
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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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CACHE_REGS
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CELL hash;
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import_pred_entry_hash_entry_t *p;
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if (LOCAL_ImportPredEntryHashTableSize == 0)
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return NULL;
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hash = (CELL)(op) % LOCAL_ImportPredEntryHashTableSize;
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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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QLYR_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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CACHE_REGS
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CELL hash;
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import_pred_entry_hash_entry_t *p;
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if (LOCAL_ImportPredEntryHashTableSize == 0)
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return;
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hash = (CELL)(op) % LOCAL_ImportPredEntryHashTableSize;
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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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CACHE_REGS
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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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QLYR_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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CACHE_REGS
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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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QLYR_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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CACHE_REGS
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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 DBRef
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LookupDBRef(DBRef dbr, int inc_ref)
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{
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CACHE_REGS
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CELL hash;
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import_dbref_hash_entry_t *p;
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if (LOCAL_ImportDBRefHashTableSize == 0)
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return NULL;
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hash = (CELL)(dbr) % LOCAL_ImportDBRefHashTableSize;
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p = LOCAL_ImportDBRefHashChain[hash];
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while (p) {
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if (p->oval == dbr) {
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if (inc_ref) {
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p->count++;
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}
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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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QLYR_ERROR(UNKNOWN_DBREF);
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return NIL;
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}
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static LogUpdClause *
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LookupMayFailDBRef(DBRef dbr)
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{
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CACHE_REGS
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CELL hash;
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import_dbref_hash_entry_t *p;
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if (LOCAL_ImportDBRefHashTableSize == 0)
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return NULL;
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hash = (CELL)(dbr) % LOCAL_ImportDBRefHashTableSize;
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p = LOCAL_ImportDBRefHashChain[hash];
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while (p) {
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if (p->oval == dbr) {
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p->count++;
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return (LogUpdClause *)p->val;
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}
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p = p->next;
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}
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return NULL;
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}
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static void
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InsertDBRef(DBRef dbr0, DBRef dbr)
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{
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CACHE_REGS
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CELL hash = (CELL)(dbr0) % LOCAL_ImportDBRefHashTableSize;
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import_dbref_hash_entry_t *p;
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p = LOCAL_ImportDBRefHashChain[hash];
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while (p) {
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if (p->oval == dbr0) {
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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_dbref_hash_entry_t *)malloc(sizeof(import_dbref_hash_entry_t));
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if (!p) {
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return;
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}
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p->val = dbr;
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p->oval = dbr0;
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p->count = 0;
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p->next = LOCAL_ImportDBRefHashChain[hash];
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LOCAL_ImportDBRefHashChain[hash] = p;
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}
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static void
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InitHash(void)
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{
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CACHE_REGS
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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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}
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static void
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CloseHash(void)
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{
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CACHE_REGS
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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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for (i=0; i < LOCAL_ImportDBRefHashTableSize; i++) {
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import_dbref_hash_entry_t *a = LOCAL_ImportDBRefHashChain[i];
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while (a) {
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import_dbref_hash_entry_t *a0 = a;
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#ifdef DEBUG
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if (!a->count) {
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fprintf(stderr,"WARNING: unused reference %p %p\n",a->val, a->oval);
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}
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#endif
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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_ImportDBRefHashTableSize = 0;
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free(LOCAL_ImportDBRefHashChain);
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LOCAL_ImportDBRefHashChain = 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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|
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#define CharP(X) ((char *)(X))
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|
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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)
|
|
#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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|
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#define CodeVarAdjust(P) CodeVarAdjust__(P PASS_REGS)
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static inline Term
|
|
CodeVarAdjust__ (Term var USES_REGS)
|
|
{
|
|
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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|
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#define ConstantAdjust(P) (P)
|
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#define ArityAdjust(P) (P)
|
|
#define DoubleInCodeAdjust(P)
|
|
#define IntegerInCodeAdjust(Pxb)
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|
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static inline PredEntry *
|
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PtoPredAdjust(PredEntry *p)
|
|
{
|
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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)
|
|
{
|
|
return LookupPredEntry(p);
|
|
}
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|
|
static inline OPCODE
|
|
OpcodeAdjust(OPCODE OP) {
|
|
return LookupOPCODE(OP);
|
|
}
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|
|
static inline Term
|
|
ModuleAdjust(Term M) {
|
|
if (!M)
|
|
return M;
|
|
return AtomTermAdjust(M);
|
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}
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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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return (Term) ((char *)(t) - LOCAL_HDiff);
|
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}
|
|
#else
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|
static inline Term
|
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BlobTermInCodeAdjust__ (Term t USES_REGS)
|
|
{
|
|
return (Term) ((char *)(t) + LOCAL_HDiff);
|
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}
|
|
#endif
|
|
#define DBTermAdjust(P) DBTermAdjust__(P PASS_REGS)
|
|
static inline DBTerm *
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DBTermAdjust__ (DBTerm * dbtp USES_REGS)
|
|
{
|
|
return (DBTerm *) (CharP (dbtp) + LOCAL_HDiff);
|
|
}
|
|
|
|
#define CellPtoHeapAdjust(P) CellPtoHeapAdjust__(P PASS_REGS)
|
|
static inline CELL *
|
|
CellPtoHeapAdjust__ (CELL * dbtp USES_REGS)
|
|
{
|
|
return (CELL *) (CharP (dbtp) + LOCAL_HDiff);
|
|
}
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|
|
#define PtoAtomHashEntryAdjust(P) (P)
|
|
#define CellPtoHeapCellAdjust(P) (P)
|
|
#define CellPtoTRAdjust(P) (P)
|
|
#define CodeAddrAdjust(P) (P)
|
|
#define ConsultObjAdjust(P) (P)
|
|
#define DelayAddrAdjust(P) (P)
|
|
#define DelayAdjust(P) (P)
|
|
#define GlobalAdjust(P) (P)
|
|
|
|
#define DBRefAdjust(P, Ref) DBRefAdjust__(P, Ref PASS_REGS)
|
|
static inline DBRef
|
|
DBRefAdjust__ (DBRef dbtp, int do_reference USES_REGS)
|
|
{
|
|
return LookupDBRef(dbtp, do_reference);
|
|
}
|
|
|
|
#define DBRefPAdjust(P) DBRefPAdjust__(P PASS_REGS)
|
|
static inline DBRef *
|
|
DBRefPAdjust__ (DBRef * dbtp USES_REGS)
|
|
{
|
|
return (DBRef *) ((char *)(dbtp) + LOCAL_HDiff);
|
|
}
|
|
|
|
#define LUIndexAdjust(P) (P)
|
|
#define SIndexAdjust(P) (P)
|
|
#define LocalAddrAdjust(P) (P)
|
|
#define GlobalAddrAdjust(P) (P)
|
|
#define OpListAdjust(P) (P)
|
|
|
|
#define PtoLUCAdjust(P) PtoLUCAdjust__(P PASS_REGS)
|
|
#define PtoLUClauseAdjust(P) PtoLUCAdjust__(P PASS_REGS)
|
|
static inline LogUpdClause *
|
|
PtoLUCAdjust__ (LogUpdClause * dbtp USES_REGS)
|
|
{
|
|
return (LogUpdClause *) ((char *)(dbtp) + LOCAL_HDiff);
|
|
}
|
|
|
|
#define PtoStCAdjust(P) (P)
|
|
#define PtoArrayEAdjust(P) (P)
|
|
#define PtoArraySAdjust(P) (P)
|
|
#define PtoGlobalEAdjust(P) (P)
|
|
#define PtoDelayAdjust(P) (P)
|
|
#define PtoGloAdjust(P) (P)
|
|
#define PtoLocAdjust(P) (P)
|
|
|
|
#define PtoHeapCellAdjust(P) PtoHeapCellAdjust__(P PASS_REGS)
|
|
static inline CELL *
|
|
PtoHeapCellAdjust__ (CELL * ptr USES_REGS)
|
|
{
|
|
LogUpdClause *out;
|
|
if ((out = LookupMayFailDBRef((DBRef)ptr)))
|
|
return (CELL *)out;
|
|
return (CELL *) (CharP (ptr) + LOCAL_HDiff);
|
|
}
|
|
|
|
#define TermToGlobalAdjust(P) (P)
|
|
#define PtoOpAdjust(P) PtoOpAdjust__(P PASS_REGS)
|
|
static inline yamop *PtoOpAdjust__(yamop *ptr USES_REGS) {
|
|
if (ptr) {
|
|
if (ptr == LOCAL_ImportFAILCODE)
|
|
return FAILCODE;
|
|
return (yamop *) ((char *) (ptr) + LOCAL_HDiff);
|
|
}
|
|
return ptr;
|
|
}
|
|
#define PtoLUIndexAdjust(P) (P)
|
|
#define PtoDBTLAdjust(P) (P)
|
|
#define PtoPtoPredAdjust(P) (P)
|
|
#define OpRTableAdjust(P) (P)
|
|
#define OpEntryAdjust(P) (P)
|
|
#define PropAdjust(P) (P)
|
|
#define TrailAddrAdjust(P) (P)
|
|
#if PRECOMPUTE_REGADDRESS
|
|
#define XAdjust(P) XAdjust__(P PASS_REGS)
|
|
static inline wamreg
|
|
XAdjust__ (wamreg reg USES_REGS)
|
|
{
|
|
return (wamreg) ((wamreg) ((reg) + LOCAL_XDiff));
|
|
}
|
|
#else
|
|
#define XAdjust(X) (X)
|
|
#endif
|
|
#define YAdjust(X) (X)
|
|
#define HoldEntryAdjust(P) (P)
|
|
#define CodeCharPAdjust(P) (P)
|
|
#define CodeConstCharPAdjust(P) (P)
|
|
#define CodeVoidPAdjust(P) (P)
|
|
#define HaltHookAdjust(P) (P)
|
|
|
|
#define recompute_mask(dbr)
|
|
|
|
#define rehash(oldcode, NOfE, KindOfEntries)
|
|
|
|
#define RestoreSWIHash()
|
|
|
|
#define Yap_op_from_opcode(OP) OpcodeID(OP)
|
|
|
|
static void RestoreFlags( UInt NFlags )
|
|
{
|
|
}
|
|
|
|
#include "rheap.h"
|
|
|
|
static void
|
|
RestoreHashPreds( USES_REGS1 )
|
|
{
|
|
}
|
|
|
|
|
|
static void
|
|
RestoreAtomList(Atom atm USES_REGS)
|
|
{
|
|
}
|
|
|
|
static size_t
|
|
read_bytes(FILE *stream, void *ptr, size_t sz)
|
|
{
|
|
return fread(ptr, sz, 1, stream);
|
|
}
|
|
|
|
static unsigned char
|
|
read_byte(FILE *stream)
|
|
{
|
|
return getc(stream);
|
|
}
|
|
|
|
static BITS16
|
|
read_bits16(FILE *stream)
|
|
{
|
|
BITS16 v;
|
|
read_bytes(stream, &v, sizeof(BITS16));
|
|
return v;
|
|
}
|
|
|
|
static UInt
|
|
read_UInt(FILE *stream)
|
|
{
|
|
UInt v;
|
|
read_bytes(stream, &v, sizeof(UInt));
|
|
return v;
|
|
}
|
|
|
|
static Int
|
|
read_Int(FILE *stream)
|
|
{
|
|
Int v;
|
|
read_bytes(stream, &v, sizeof(Int));
|
|
return v;
|
|
}
|
|
|
|
static qlf_tag_t
|
|
read_tag(FILE *stream)
|
|
{
|
|
int ch = read_byte(stream);
|
|
return ch;
|
|
}
|
|
|
|
static pred_flags_t
|
|
read_predFlags(FILE *stream)
|
|
{
|
|
pred_flags_t v;
|
|
read_bytes(stream, &v, sizeof(pred_flags_t));
|
|
return v;
|
|
}
|
|
|
|
static bool
|
|
checkChars(FILE *stream, char s[])
|
|
{
|
|
int ch, c;
|
|
char *p = s;
|
|
|
|
while ((ch = *p++)) {
|
|
if ((c = read_byte(stream)) != ch ) {
|
|
return false;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static Atom
|
|
do_header(FILE *stream)
|
|
{
|
|
char s[256], *p = s, ch;
|
|
Atom at;
|
|
|
|
if (!checkChars( stream, "#!/bin/sh\nexec_dir=${YAPBINDIR:-" ))
|
|
return NIL;
|
|
while ((ch = read_byte(stream)) != '\n');
|
|
if (!checkChars( stream, "exec $exec_dir/yap $0 \"$@\"\nsaved " ))
|
|
return NIL;
|
|
while ((ch = read_byte(stream)) != ',')
|
|
*p++ = ch;
|
|
*p++ = '\0';
|
|
at = Yap_LookupAtom( s );
|
|
while ((ch = read_byte(stream)));
|
|
return at;
|
|
}
|
|
|
|
static Int
|
|
get_header( USES_REGS1 )
|
|
{
|
|
FILE *stream;
|
|
Term t1 = Deref(ARG1);
|
|
Atom at;
|
|
Int rc;
|
|
|
|
if (IsVarTerm(t1)) {
|
|
Yap_Error(INSTANTIATION_ERROR,t1,"read_program/3");
|
|
return FALSE;
|
|
}
|
|
if (!(stream = Yap_GetInputStream(t1, "header scanning in qload")) ) {
|
|
return FALSE;
|
|
}
|
|
if ((at = do_header( stream )) == NIL)
|
|
rc = FALSE;
|
|
else rc = Yap_unify( ARG2, MkAtomTerm( at ) );
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
ReadHash(FILE *stream)
|
|
{
|
|
CACHE_REGS
|
|
UInt i;
|
|
RCHECK(read_tag(stream) == QLY_START_X);
|
|
LOCAL_XDiff = (char *)(&ARG1) - (char *)read_UInt(stream);
|
|
RCHECK(read_tag(stream) == QLY_START_OPCODES);
|
|
RCHECK(read_Int(stream) == _std_top);
|
|
for (i= 0; i <= _std_top; i++) {
|
|
InsertOPCODE((OPCODE)read_UInt(stream), i, Yap_opcode(i));
|
|
}
|
|
RCHECK(read_tag(stream) == QLY_START_ATOMS);
|
|
LOCAL_ImportAtomHashTableNum = read_UInt(stream);
|
|
LOCAL_ImportAtomHashTableSize = LOCAL_ImportAtomHashTableNum*2;
|
|
LOCAL_ImportAtomHashChain = (import_atom_hash_entry_t **)calloc(LOCAL_ImportAtomHashTableSize, sizeof(import_atom_hash_entry_t *));
|
|
for (i = 0; i < LOCAL_ImportAtomHashTableNum; i++) {
|
|
Atom oat = (Atom)read_UInt(stream);
|
|
Atom at;
|
|
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)) QLYR_ERROR(OUT_OF_TEMP_SPACE);
|
|
read_bytes(stream, rep, (len+1)*sizeof(wchar_t));
|
|
while (!(at = Yap_LookupWideAtom(rep))) {
|
|
if (!Yap_growheap(FALSE, 0, NULL)) {
|
|
exit(1);
|
|
}
|
|
}
|
|
if (at == NIL) QLYR_ERROR(OUT_OF_ATOM_SPACE);
|
|
} else if (tg == QLY_ATOM) {
|
|
char *rep = (char *)AllocTempSpace();
|
|
UInt len;
|
|
|
|
len = read_UInt(stream);
|
|
if (!EnoughTempSpace(len)) QLYR_ERROR(OUT_OF_TEMP_SPACE);
|
|
read_bytes(stream, rep, (len+1)*sizeof(char));
|
|
while (!(at = Yap_FullLookupAtom(rep))) {
|
|
if (!Yap_growheap(FALSE, 0, NULL)) {
|
|
exit(1);
|
|
}
|
|
}
|
|
if (at == NIL) QLYR_ERROR(OUT_OF_ATOM_SPACE);
|
|
} else {
|
|
QLYR_ERROR(BAD_ATOM);
|
|
return;
|
|
}
|
|
InsertAtom(oat, at);
|
|
}
|
|
/* functors */
|
|
RCHECK(read_tag(stream) == QLY_START_FUNCTORS);
|
|
LOCAL_ImportFunctorHashTableNum = read_UInt(stream);
|
|
LOCAL_ImportFunctorHashTableSize = 2*LOCAL_ImportFunctorHashTableNum;
|
|
LOCAL_ImportFunctorHashChain = (import_functor_hash_entry_t **)calloc(LOCAL_ImportFunctorHashTableSize, sizeof(import_functor_hash_entry_t *));
|
|
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;
|
|
while (!(f = Yap_MkFunctor(at, arity))) {
|
|
if (!Yap_growheap(FALSE, 0, NULL)) {
|
|
exit(1);
|
|
}
|
|
}
|
|
InsertFunctor(of, f);
|
|
}
|
|
RCHECK(read_tag(stream) == QLY_START_PRED_ENTRIES);
|
|
LOCAL_ImportPredEntryHashTableNum = read_UInt(stream);
|
|
LOCAL_ImportPredEntryHashTableSize = 2*LOCAL_ImportPredEntryHashTableNum;
|
|
LOCAL_ImportPredEntryHashChain = (import_pred_entry_hash_entry_t **)calloc( LOCAL_ImportPredEntryHashTableSize, sizeof(import_pred_entry_hash_entry_t *));
|
|
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;
|
|
|
|
if (omod) {
|
|
mod = MkAtomTerm(AtomAdjust(omod));
|
|
if (mod == TermProlog) mod = 0;
|
|
} else {
|
|
mod = TermProlog;
|
|
}
|
|
|
|
if (mod != IDB_MODULE) {
|
|
if (arity) {
|
|
Functor of = (Functor)read_UInt(stream);
|
|
Functor f = LookupFunctor(of);
|
|
while(!(pe = RepPredProp(PredPropByFuncAndMod(f,mod)))) {
|
|
if (!Yap_growheap(FALSE, 0, NULL)) {
|
|
exit(1);
|
|
}
|
|
}
|
|
} else {
|
|
Atom oa = (Atom)read_UInt(stream);
|
|
Atom a = LookupAtom(oa);
|
|
pe = RepPredProp(PredPropByAtomAndMod(a,mod));
|
|
}
|
|
} else {
|
|
/* IDB */
|
|
if (arity == (UInt)-1) {
|
|
UInt i = read_UInt(stream);
|
|
pe = Yap_FindLUIntKey(i);
|
|
} else if (arity == (UInt)(-2)) {
|
|
Atom oa = (Atom)read_UInt(stream);
|
|
Atom a = LookupAtom(oa);
|
|
pe = RepPredProp(PredPropByAtomAndMod(a,mod));
|
|
pe->PredFlags |= AtomDBPredFlag;
|
|
} else {
|
|
Functor of = (Functor)read_UInt(stream);
|
|
Functor f = LookupFunctor(of);
|
|
pe = RepPredProp(PredPropByFuncAndMod(f,mod));
|
|
}
|
|
pe->PredFlags |= LogUpdatePredFlag;
|
|
pe->ArityOfPE = 3;
|
|
if (pe->OpcodeOfPred == UNDEF_OPCODE) {
|
|
pe->OpcodeOfPred = Yap_opcode(_op_fail);
|
|
pe->cs.p_code.TrueCodeOfPred = pe->CodeOfPred = FAILCODE;
|
|
}
|
|
}
|
|
InsertPredEntry(ope, pe);
|
|
}
|
|
RCHECK(read_tag(stream) == QLY_START_DBREFS);
|
|
LOCAL_ImportDBRefHashTableNum = read_UInt(stream);
|
|
LOCAL_ImportDBRefHashTableSize = 2*LOCAL_ImportDBRefHashTableNum+17;
|
|
LOCAL_ImportDBRefHashChain = (import_dbref_hash_entry_t **)calloc(LOCAL_ImportDBRefHashTableSize, sizeof(import_dbref_hash_entry_t *));
|
|
for (i = 0; i < LOCAL_ImportDBRefHashTableNum; i++) {
|
|
LogUpdClause *ocl = (LogUpdClause *)read_UInt(stream);
|
|
UInt sz = read_UInt(stream);
|
|
UInt nrefs = read_UInt(stream);
|
|
LogUpdClause *ncl = (LogUpdClause *)Yap_AlwaysAllocCodeSpace(sz);
|
|
if (!ncl) {
|
|
QLYR_ERROR(OUT_OF_CODE_SPACE);
|
|
}
|
|
ncl->Id = FunctorDBRef;
|
|
ncl->ClRefCount = nrefs;
|
|
InsertDBRef((DBRef)ocl,(DBRef)ncl);
|
|
}
|
|
RCHECK(read_tag(stream) == QLY_FAILCODE);
|
|
LOCAL_ImportFAILCODE = (yamop *)read_UInt(stream);
|
|
}
|
|
|
|
static void
|
|
read_clauses(FILE *stream, PredEntry *pp, UInt nclauses, pred_flags_t flags) {
|
|
CACHE_REGS
|
|
if (flags & LogUpdatePredFlag) {
|
|
/* first, clean up whatever was there */
|
|
if (pp->cs.p_code.NOfClauses) {
|
|
LogUpdClause *cl;
|
|
cl = ClauseCodeToLogUpdClause(pp->cs.p_code.FirstClause);
|
|
do {
|
|
LogUpdClause *ncl = cl->ClNext;
|
|
Yap_ErLogUpdCl(cl);
|
|
cl = ncl;
|
|
} while (cl != NULL);
|
|
}
|
|
if (!nclauses) {
|
|
return;
|
|
}
|
|
while ((read_tag(stream) == QLY_START_LU_CLAUSE)) {
|
|
char *base = (void *)read_UInt(stream);
|
|
UInt size = read_UInt(stream);
|
|
LogUpdClause *cl;
|
|
Int nrefs = 0;
|
|
|
|
if ((cl = LookupMayFailDBRef((DBRef)base))) {
|
|
nrefs = cl->ClRefCount;
|
|
} else {
|
|
cl = (LogUpdClause *)Yap_AlwaysAllocCodeSpace(size);
|
|
}
|
|
read_bytes(stream, cl, size);
|
|
cl->ClFlags &= ~InUseMask;
|
|
cl->ClRefCount = nrefs;
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
RestoreLUClause(cl, pp PASS_REGS);
|
|
Yap_AssertzClause(pp, cl->ClCode);
|
|
}
|
|
} else if (flags & MegaClausePredFlag) {
|
|
CACHE_REGS
|
|
char *base = (void *)read_UInt(stream);
|
|
UInt mask = read_UInt(stream);
|
|
UInt size = read_UInt(stream);
|
|
MegaClause *cl = (MegaClause *)Yap_AlwaysAllocCodeSpace(size);
|
|
|
|
if (nclauses) {
|
|
Yap_Abolish(pp);
|
|
}
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
read_bytes(stream, cl, size);
|
|
cl->ClFlags = mask;
|
|
pp->cs.p_code.FirstClause =
|
|
pp->cs.p_code.LastClause =
|
|
cl->ClCode;
|
|
pp->PredFlags |= MegaClausePredFlag;
|
|
/* enter index mode */
|
|
if (mask & ExoMask) {
|
|
struct index_t **icl = (struct index_t **)(cl->ClCode);
|
|
pp->OpcodeOfPred = Yap_opcode(_enter_exo);
|
|
icl[0] = NULL;
|
|
icl[1] = NULL;
|
|
} else {
|
|
pp->OpcodeOfPred = INDEX_OPCODE;
|
|
}
|
|
pp->CodeOfPred = pp->cs.p_code.TrueCodeOfPred = (yamop *)(&(pp->OpcodeOfPred));
|
|
/* This must be set for restoremegaclause */
|
|
pp->cs.p_code.NOfClauses = nclauses;
|
|
RestoreMegaClause(cl PASS_REGS);
|
|
} else if (flags & DynamicPredFlag) {
|
|
UInt i;
|
|
|
|
for (i = 0; i < nclauses; i++) {
|
|
char *base = (void *)read_UInt(stream);
|
|
UInt size = read_UInt(stream);
|
|
DynamicClause *cl = (DynamicClause *)Yap_AlwaysAllocCodeSpace(size);
|
|
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
read_bytes(stream, cl, size);
|
|
INIT_LOCK(cl->ClLock);
|
|
RestoreDynamicClause(cl, pp PASS_REGS);
|
|
Yap_AssertzClause(pp, cl->ClCode);
|
|
}
|
|
|
|
} else {
|
|
UInt i;
|
|
|
|
|
|
if (flags & SYSTEM_PRED_FLAGS) {
|
|
if (nclauses) {
|
|
QLYR_ERROR(INCONSISTENT_CPRED);
|
|
}
|
|
return;
|
|
}
|
|
Yap_Abolish(pp);
|
|
for (i = 0; i < nclauses; i++) {
|
|
char *base = (void *)read_UInt(stream);
|
|
UInt size = read_UInt(stream);
|
|
StaticClause *cl = (StaticClause *)Yap_AlwaysAllocCodeSpace(size);
|
|
|
|
LOCAL_HDiff = (char *)cl-base;
|
|
read_bytes(stream, cl, size);
|
|
RestoreStaticClause(cl PASS_REGS);
|
|
Yap_AssertzClause(pp, cl->ClCode);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
read_pred(FILE *stream, Term mod) {
|
|
pred_flags_t flags, fl1;
|
|
UInt nclauses;
|
|
PredEntry *ap;
|
|
|
|
ap = LookupPredEntry((PredEntry *)read_UInt(stream));
|
|
flags = read_predFlags(stream);
|
|
#if 0
|
|
if (ap->ArityOfPE && ap->ModuleOfPred != IDB_MODULE)
|
|
// __android_log_print(ANDROID_LOG_INFO, "YAP ", " %s/%ld %llx %llx\n", NameOfFunctor(ap->FunctorOfPred)->StrOfAE, ap->ArityOfPE, ap->PredFlags, flags);
|
|
printf(" %s/%ld %llx %llx\n", NameOfFunctor(ap->FunctorOfPred)->StrOfAE, ap->ArityOfPE, ap->PredFlags, flags);
|
|
else if (ap->ModuleOfPred != IDB_MODULE)
|
|
//__android_log_print(ANDROID_LOG_INFO, "YAP "," %s/%ld %llx %llx\n", ((Atom)(ap->FunctorOfPred))->StrOfAE, ap->ArityOfPE, flags);
|
|
printf(" %s/%ld %llx %llx\n", ((Atom)(ap->FunctorOfPred))->StrOfAE, ap->ArityOfPE, ap->PredFlags, flags);
|
|
//else
|
|
// __android_log_print(ANDROID_LOG_INFO, "YAP "," number\n");
|
|
#endif
|
|
if (flags & ForeignPredFlags) {
|
|
if (!(ap->PredFlags & ForeignPredFlags))
|
|
QLYR_ERROR(INCONSISTENT_CPRED);
|
|
if (flags & MetaPredFlag)
|
|
ap->PredFlags |= MetaPredFlag;
|
|
return;
|
|
}
|
|
nclauses = read_UInt(stream);
|
|
if (ap->PredFlags & IndexedPredFlag) {
|
|
Yap_RemoveIndexation(ap);
|
|
}
|
|
//fl1 = flags & ((pred_flags_t)STATIC_PRED_FLAGS|(UInt)EXTRA_PRED_FLAGS);
|
|
//ap->PredFlags &= ~((UInt)STATIC_PRED_FLAGS|(UInt)EXTRA_PRED_FLAGS);
|
|
ap->PredFlags = flags & ~StatePredFlags;
|
|
if (flags & NumberDBPredFlag) {
|
|
ap->src.IndxId = read_UInt(stream);
|
|
} else {
|
|
ap->src.OwnerFile = (Atom)read_UInt(stream);
|
|
|
|
if (ap->src.OwnerFile) {
|
|
ap->src.OwnerFile = AtomAdjust(ap->src.OwnerFile);
|
|
}
|
|
}
|
|
ap->TimeStampOfPred = read_UInt(stream);
|
|
/* multifile predicates cannot reside in module 0 */
|
|
// if (flags & MultiFileFlag && ap->ModuleOfPred == PROLOG_MODULE) {
|
|
// ap->ModuleOfPred = TermProlog;
|
|
// }
|
|
if (nclauses)
|
|
read_clauses(stream, ap, nclauses, flags);
|
|
#if DEBUG
|
|
//Yap_PrintPredName( ap );
|
|
#endif
|
|
|
|
if (flags & HiddenPredFlag) {
|
|
Yap_HidePred(ap);
|
|
}
|
|
}
|
|
|
|
static void
|
|
read_ops(FILE *stream) {
|
|
Int x;
|
|
while ((x = read_tag(stream)) != QLY_END_OPS) {
|
|
Atom at = (Atom)read_UInt(stream);
|
|
Term mod = (Term)read_UInt(stream);
|
|
OpEntry *op;
|
|
|
|
at = AtomAdjust(at);
|
|
if (mod)
|
|
mod = MkAtomTerm(AtomAdjust(AtomOfTerm(mod)));
|
|
op = Yap_OpPropForModule(at, mod);
|
|
op->Prefix = read_bits16(stream);
|
|
op->Infix = read_bits16(stream);
|
|
op->Posfix = read_bits16(stream);
|
|
WRITE_UNLOCK(op->OpRWLock);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
read_module(FILE *stream) {
|
|
qlf_tag_t x;
|
|
|
|
InitHash();
|
|
ReadHash(stream);
|
|
while ((x = read_tag(stream)) == QLY_START_MODULE) {
|
|
Term mod = (Term)read_UInt(stream);
|
|
if (mod == 0)
|
|
mod = TermProlog;
|
|
mod = MkAtomTerm(AtomAdjust(AtomOfTerm(mod)));
|
|
if (mod)
|
|
while ((x = read_tag(stream)) == QLY_START_PREDICATE) {
|
|
read_pred(stream, mod);
|
|
}
|
|
}
|
|
read_ops(stream);
|
|
CloseHash();
|
|
}
|
|
|
|
static Int
|
|
p_read_module_preds( USES_REGS1 )
|
|
{
|
|
FILE *stream;
|
|
Term t1 = Deref(ARG1);
|
|
|
|
if (IsVarTerm(t1)) {
|
|
Yap_Error(INSTANTIATION_ERROR,t1,"read_qly/3");
|
|
return FALSE;
|
|
}
|
|
if (!IsAtomTerm(t1)) {
|
|
Yap_Error(TYPE_ERROR_ATOM,t1,"read_qly/3");
|
|
return(FALSE);
|
|
}
|
|
if (!(stream = Yap_GetInputStream(t1, "scanning preducate modules")) ) {
|
|
return FALSE;
|
|
}
|
|
read_module(stream);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
ReInitProlog(void)
|
|
{
|
|
Term t = MkAtomTerm(AtomInitProlog);
|
|
YAP_RunGoalOnce(t);
|
|
}
|
|
|
|
|
|
|
|
static Int
|
|
qload_program( USES_REGS1 )
|
|
{
|
|
FILE *stream;
|
|
Term t1 = Deref(ARG1);
|
|
|
|
if (IsVarTerm(t1)) {
|
|
Yap_Error(INSTANTIATION_ERROR,t1,"read_program/3");
|
|
return FALSE;
|
|
}
|
|
if ((stream = Yap_GetInputStream(t1, "from read_program")) ) {
|
|
return FALSE;
|
|
}
|
|
Yap_Reset( YAP_RESET_FROM_RESTORE );
|
|
if (do_header( stream ) == NIL)
|
|
return FALSE;
|
|
read_module(stream);
|
|
fclose( stream );
|
|
/* back to the top level we go */
|
|
ReInitProlog();
|
|
return true;
|
|
}
|
|
|
|
int
|
|
Yap_Restore(char *s, char *lib_dir)
|
|
{
|
|
CACHE_REGS
|
|
|
|
FILE *stream = Yap_OpenRestore(s, lib_dir);
|
|
if (!stream)
|
|
return -1;
|
|
GLOBAL_RestoreFile = s;
|
|
if (do_header( stream ) == NIL)
|
|
return FALSE;
|
|
read_module(stream);
|
|
fclose( stream );
|
|
GLOBAL_RestoreFile = NULL;
|
|
CurrentModule = USER_MODULE;
|
|
return DO_ONLY_CODE;
|
|
}
|
|
|
|
|
|
void Yap_InitQLYR(void)
|
|
{
|
|
Yap_InitCPred("$qload_module_preds", 1, p_read_module_preds, SyncPredFlag|UserCPredFlag|HiddenPredFlag);
|
|
Yap_InitCPred("$qload_file_preds", 1, p_read_module_preds, SyncPredFlag|HiddenPredFlag);
|
|
Yap_InitCPred("$qload_program", 1, qload_program, SyncPredFlag|HiddenPredFlag);
|
|
Yap_InitCPred("$q_header", 2, get_header, SyncPredFlag|HiddenPredFlag);
|
|
if (FALSE) {
|
|
restore_codes();
|
|
}
|
|
}
|