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loops

This commit is contained in:
Vítor Santos Costa 2019-02-01 13:14:33 +00:00
parent ca2542c798
commit fa96ffa932
7 changed files with 710 additions and 938 deletions
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4
C/cdmgr.c
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@ -2854,12 +2854,12 @@ static Int undefp_handler(USES_REGS1) { /* '$undefp_handler'(P,Mod) */
pe = Yap_get_pred(Deref(ARG1), Deref(ARG2), "undefined/1");
PELOCK(59, pe);
if (EndOfPAEntr(pe)) {
UndefCode = FAILCODE;
UndefCode = Yap_get_pred(TermFail, MkIntTerm(0), "no def");
UNLOCKPE(59, pe);
return false;
}
if (pe->OpcodeOfPred == UNDEF_OPCODE) {
UndefCode = FAILCODE;
UndefCode = Yap_get_pred(TermFail, MkIntTerm(0), "no def");
UNLOCKPE(59, pe);
return false;
}

1607
C/terms.c
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File diff suppressed because it is too large Load Diff

17
C/write.c
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@ -1107,17 +1107,11 @@ void Yap_plwrite(Term t, StreamDesc *mywrite, int max_depth, int flags,
rwt.parent = NULL;
wglb.Ignore_ops = flags & Ignore_ops_f;
wglb.Write_strings = flags & BackQuote_String_f;
if (!(flags & Ignore_cyclics_f) && false) {
Term ts[2];
ts[0] = Yap_BreakRational(t, 0, ts + 1, TermNil PASS_REGS);
// fprintf(stderr, "%lx %lx %lx\n", t, ts[0], ts[1]);
// Yap_DebugPlWriteln(ts[0]);
// ap_DebugPlWriteln(ts[1[);
if (ts[1] != TermNil) {
t = Yap_MkApplTerm(FunctorAtSymbol, 2, ts);
}
// if (!(flags & Ignore_cyclics_f) && false)
{
t = Yap_CheckLoops(t, 1);
}
/* protect slots for portray */
/* protect slots for portray */
writeTerm(t, priority, 1, FALSE, &wglb, &rwt);
if (flags & New_Line_f) {
if (flags & Fullstop_f) {
@ -1134,4 +1128,5 @@ void Yap_plwrite(Term t, StreamDesc *mywrite, int max_depth, int flags,
}
Yap_CloseSlots(sls);
pop_text_stack(lvl);
}
}

3
CMakeLists.txt
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@ -482,6 +482,9 @@ set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "_YAP_NOT_INSTALLED_=
# Model Specific
set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:Debug>:DEBUG=1>)
# debug across macros
set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS $<$<CONFIG:Debug>:-g3>)
#ensure cells are properly aligned in code
set(ALIGN_LONGS 1)

4
H/Yapproto.h
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@ -444,6 +444,10 @@ extern bool Yap_ChDir(const char *path);
bool Yap_isDirectory(const char *FileName);
extern bool Yap_Exists(const char *f);
/* terms.c */
extern Term Yap_CheckLoops(Term inp, UInt arity USES_REGS);
extern void Yap_InitTermCPreds(void);
/* threads.c */
extern void Yap_InitThreadPreds(void);
extern void Yap_InitFirstWorkerThreadHandle(void);

4
include/YapError.h
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@ -285,4 +285,8 @@ INLINE_ONLY Term Yap_ensure_atom__(const char *fu, const char *fi, int line,
yap_error_descriptor_t *new_error);
extern yap_error_descriptor_t *Yap_popErrorContext(bool oerr, bool pass);
#define must_be_variable(t) if (!IsVarTerm(t)) Yap_ThrowError(UNINSTANTIATION_ERROR, v, NULL)
#endif

9
library/terms.yap
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@ -104,14 +104,6 @@ Succeed if _Term1_ and _Term2_ are unifiable with substitution
*/
/** @pred variable_in_term(? _Term_,? _Var_)
Succeed if the second argument _Var_ is a variable and occurs in
term _Term_.
*/
/** @pred variables_within_term(+ _Variables_,? _Term_, - _OutputVariables_)
@ -136,6 +128,7 @@ Succeed if _Term1_ and _Term2_ are variant terms.
variant/2,
unifiable/3,
subsumes/2,
subsumes_chk/2,
cyclic_term/1,
variable_in_term/2,