Improve SWI interface emulation.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1920 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc
parent
b715dc4a60
commit
4c08960096
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@ -10,8 +10,12 @@
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* File: c_interface.c *
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* comments: c_interface primitives definition *
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* *
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* Last rev: $Date: 2007-06-04 12:28:01 $,$Author: vsc $ *
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* Last rev: $Date: 2007-09-04 10:34:54 $,$Author: vsc $ *
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* $Log: not supported by cvs2svn $
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* Revision 1.95 2007/06/04 12:28:01 vsc
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* interface speedups
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* bad error message in X is foo>>2.
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*
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* Revision 1.94 2007/05/15 11:33:51 vsc
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* fix min list
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*
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@ -241,6 +245,9 @@
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#if HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#if HAVE_STRING_H
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#include <string.h>
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#endif
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#if _MSC_VER || defined(__MINGW32__)
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#include <windows.h>
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#endif
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@ -291,8 +298,12 @@ X_API flt STD_PROTO(YAP_FloatOfTerm,(Term));
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X_API Term STD_PROTO(YAP_MkAtomTerm,(Atom));
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X_API Atom STD_PROTO(YAP_AtomOfTerm,(Term));
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X_API Atom STD_PROTO(YAP_LookupAtom,(char *));
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X_API Atom STD_PROTO(YAP_LookupWideAtom,(wchar_t *));
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X_API int STD_PROTO(YAP_AtomNameLength,(Atom));
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X_API Atom STD_PROTO(YAP_FullLookupAtom,(char *));
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X_API int STD_PROTO(YAP_IsWideAtom,(Atom));
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X_API char *STD_PROTO(YAP_AtomName,(Atom));
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X_API wchar_t *STD_PROTO(YAP_WideAtomName,(Atom));
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X_API Term STD_PROTO(YAP_MkPairTerm,(Term,Term));
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X_API Term STD_PROTO(YAP_MkNewPairTerm,(void));
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X_API Term STD_PROTO(YAP_HeadOfTerm,(Term));
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@ -580,6 +591,12 @@ YAP_AtomOfTerm(Term t)
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}
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X_API int
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YAP_IsWideAtom(Atom a)
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{
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return IsWideAtom(a);
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}
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X_API char *
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YAP_AtomName(Atom a)
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{
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@ -589,6 +606,12 @@ YAP_AtomName(Atom a)
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return(o);
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}
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X_API wchar_t *
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YAP_WideAtomName(Atom a)
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{
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return RepAtom(a)->WStrOfAE;
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}
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X_API Atom
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YAP_LookupAtom(char *c)
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{
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@ -606,6 +629,23 @@ YAP_LookupAtom(char *c)
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}
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}
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X_API Atom
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YAP_LookupWideAtom(wchar_t *c)
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{
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Atom a;
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while (TRUE) {
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a = Yap_LookupWideAtom(c);
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if (a == NIL || (ActiveSignals & YAP_CDOVF_SIGNAL)) {
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if (!Yap_growheap(FALSE, 0, NULL)) {
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Yap_Error(OUT_OF_HEAP_ERROR, TermNil, "YAP failed to grow heap: %s", Yap_ErrorMessage);
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}
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} else {
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return a;
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}
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}
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}
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X_API Atom
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YAP_FullLookupAtom(char *c)
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{
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@ -623,6 +663,20 @@ YAP_FullLookupAtom(char *c)
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}
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}
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X_API int
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YAP_AtomNameLength(Atom at)
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{
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if (IsWideAtom(at)) {
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wchar_t *c = RepAtom(at)->WStrOfAE;
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return wcslen(c);
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} else {
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char *c = RepAtom(at)->StrOfAE;
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return strlen(c);
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}
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}
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X_API Term
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YAP_MkVarTerm(void)
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{
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@ -16,6 +16,8 @@
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<h2>Yap-5.1.3:</h2>
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<ul>
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<li> FIXED: updates to SWI C-interface and corresponding extensions to
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C-interface .</li>
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<li> FIXED: be careful to give delayarena exactly what it needs to expand.</li>
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<li> FIXED: improve BNT support with CLP(BN).</li>
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<li> FIXED: support checking for big_nums and readline. (obs from
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27
docs/yap.tex
27
docs/yap.tex
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@ -12609,6 +12609,33 @@ atom had been "hidden": this is useful for system maintenance from C
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code. The functor @code{YAP_AtomName} returns a pointer to the string
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for the atom.
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@noindent
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@findex YAP_IsWideAtom (C-Interface function)
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@findex YAP_LookupWideAtom (C-Interface function)
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@findex YAP_WideAtomName (C-Interface function)
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The following primitives handle constructing atoms from strings with
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wide characters, and vice-versa:
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@example
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YAP_Atom YAP_LookupWideAtom(wchar_t * @var{s})
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wchar_t *YAP_WideAtomName(YAP_Atom @var{t})
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@end example
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@noindent
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@findex YAP_IsIsWideAtom (C-Interface function)
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The following primitive tells whether an atom needs wide atoms in its
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representation:
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@example
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int YAP_IsWideAtom(YAP_Atom @var{t})
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@end example
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@noindent
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@findex YAP_AtomNameLength (C-Interface function)
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The following primitive can be used to obtain the size of an atom in a
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representation-independent way:
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@example
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int YAP_AtomNameLength(YAP_Atom @var{t})
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@end example
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@findex YAP_MkPairTerm (C-Interface function)
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@findex YAP_MkNewPairTerm (C-Interface function)
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@findex YAP_HeadOfTerm (C-Interface function)
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@ -32,6 +32,8 @@
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#include <stdarg.h>
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#endif
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#include <wchar.h>
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/*
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__BEGIN_DECLS should be used at the beginning of the C declarations,
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so that C++ compilers don't mangle their names. __END_DECLS is used
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@ -133,12 +135,24 @@ extern X_API YAP_Atom PROTO(YAP_AtomOfTerm,(YAP_Term));
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/* YAP_Atom LookupAtom(const char *) */
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extern X_API YAP_Atom PROTO(YAP_LookupAtom,(CONST char *));
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/* YAP_Atom LookupWideAtom(const wchar_t *) */
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extern X_API YAP_Atom PROTO(YAP_LookupWideAtom,(CONST wchar_t *));
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/* YAP_Atom FullLookupAtom(const char *) */
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extern X_API YAP_Atom PROTO(YAP_FullLookupAtom,(CONST char *));
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/* int AtomNameLength(Atom) */
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extern X_API int PROTO(YAP_AtomNameLength,(YAP_Atom));
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/* const char* IsWideAtom(YAP_Atom) */
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extern X_API int *PROTO(YAP_IsWideAtom,(YAP_Atom));
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/* const char* AtomName(YAP_Atom) */
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extern X_API CONST char *PROTO(YAP_AtomName,(YAP_Atom));
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/* const wchar_t* AtomWideName(YAP_Atom) */
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extern X_API CONST wchar_t *PROTO(YAP_WideAtomName,(YAP_Atom));
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/* YAP_Term MkPairTerm(YAP_Term Head, YAP_Term Tail) */
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extern X_API YAP_Term PROTO(YAP_MkPairTerm,(YAP_Term,YAP_Term));
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@ -18,8 +18,9 @@
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#define BUF_SIZE 256
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#define TMP_BUF_SIZE 2*BUF_SIZE
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#define BUF_RINGS 16
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char buffers[TMP_BUF_SIZE+BUF_SIZE*4];
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char buffers[TMP_BUF_SIZE+BUF_SIZE*BUF_RINGS];
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static int buf_index = 0;
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static char *
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@ -27,7 +28,7 @@ alloc_ring_buf(void)
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{
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int ret = buf_index;
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buf_index++;
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if (buf_index == 4)
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if (buf_index == BUF_RINGS)
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buf_index = 0;
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return buffers+(TMP_BUF_SIZE+ret*BUF_SIZE);
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}
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@ -130,7 +131,7 @@ X_API int PL_get_atom_chars(term_t ts, char **a) /* SAM check type */
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term-types should converted and the second how the argument is
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stored. Below is a specification of these constants. BUF_RING
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implies, if the data is not static (as from an atom), the data is
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copied to the next buffer from a ring of four (4) buffers. This is a
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copied to the next buffer from a ring of sixteen (16) buffers. This is a
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convenient way of converting multiple arguments passed to a foreign
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predicate to C-strings. If BUF_MALLOC is used, the data must be
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freed using free() when not needed any longer.
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@ -204,9 +205,14 @@ X_API int PL_get_chars(term_t l, char **sp, unsigned flags)
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}
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*sp = tmp;
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if (YAP_IsAtomTerm(t)) {
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YAP_Atom at = YAP_AtomOfTerm(t);
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if (!(flags & (CVT_ATOM|CVT_ATOMIC|CVT_ALL)))
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return 0;
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*sp = (char *)YAP_AtomName(YAP_AtomOfTerm(t));
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if (YAP_IsWideAtom(at))
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/* will this always work? */
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snprintf(*sp,BUF_SIZE,"%ls",YAP_WideAtomName(at));
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else
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*sp = (char *)YAP_AtomName(YAP_AtomOfTerm(t));
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return 1;
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} else if (YAP_IsIntTerm(t)) {
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if (!(flags & (CVT_INTEGER|CVT_NUMBER|CVT_ATOMIC|CVT_ALL)))
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@ -228,7 +234,7 @@ X_API int PL_get_chars(term_t l, char **sp, unsigned flags)
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*bf = '\0';
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}
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if (flags & BUF_MALLOC) {
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char *nbf = malloc(strlen(tmp));
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char *nbf = YAP_AllocSpaceFromYap(strlen(tmp)+1);
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if (nbf == NULL)
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return 0;
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strncpy(nbf,tmp,BUF_SIZE);
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@ -237,6 +243,57 @@ X_API int PL_get_chars(term_t l, char **sp, unsigned flags)
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return 1;
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}
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X_API int PL_get_nchars(term_t l, size_t *len, char **sp, unsigned flags)
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{
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int out = PL_get_chars(l, sp, flags);
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if (!out) return out;
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*len = strlen(*sp);
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return out;
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}
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/* same as get_chars, but works on buffers of wide chars */
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X_API int PL_get_wchars(term_t l, size_t *len, wchar_t **wsp, unsigned flags)
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{
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if (YAP_IsAtomTerm(l)) {
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YAP_Atom at = YAP_AtomOfTerm(l);
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if (!(flags & (CVT_ATOM|CVT_ATOMIC|CVT_ALL)))
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return 0;
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if (YAP_IsWideAtom(at))
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/* will this always work? */
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*wsp = (wchar_t *)YAP_WideAtomName(at);
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} else {
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char *sp;
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int res = PL_get_chars(l, &sp, ((flags & ~(BUF_MALLOC|BUF_DISCARDABLE))|BUF_RING));
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size_t sz;
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if (!res)
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return FALSE;
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sz = wcstombs(sp,NULL,BUF_SIZE);
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if (flags & BUF_MALLOC) {
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wchar_t *nbf = (wchar_t *)YAP_AllocSpaceFromYap(sz+1);
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if (nbf == NULL)
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return 0;
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*wsp = nbf;
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} else if (flags & BUF_DISCARDABLE) {
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wchar_t *buf = (wchar_t *)buffers;
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if (wcstombs(sp,buf,BUF_SIZE) == -1)
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return 0;
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*wsp = buf;
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} else {
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wchar_t *tmp = (wchar_t *)alloc_ring_buf();
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if (wcstombs(sp, tmp, BUF_SIZE) == -1)
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return 0;
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*wsp = tmp;
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}
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return res;
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}
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return 0;
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}
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/* SWI: int PL_get_functor(term_t t, functor_t *f)
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YAP: YAP_Functor YAP_FunctorOfTerm(Term) */
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X_API int PL_get_functor(term_t ts, functor_t *f)
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@ -299,6 +356,35 @@ X_API int PL_get_long(term_t ts, long *i)
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return 1;
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}
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X_API int PL_get_int64(term_t ts, int64_t *i)
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{
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YAP_Term t = YAP_GetFromSlot(ts);
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if (!YAP_IsIntTerm(t) ) {
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if (YAP_IsFloatTerm(t)) {
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double dbl = YAP_FloatOfTerm(t);
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if (dbl - (int64_t)dbl == 0.0) {
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*i = (int64_t)dbl;
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return 1;
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}
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#if USE_GMP
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} else if (YAP_IsBigIntTerm(t)) {
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MP_INT *g;
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char s[64];
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YAP_BigNumOfTerm(t, (void *)g);
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if (mpz_sizeinbase(g,2) > 64) {
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return 0;
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}
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mpz_get_str (s, 10, g);
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sscanf(s, "%lld", (long long int *)i);
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return 1;
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#endif
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}
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return 0;
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}
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*i = YAP_IntOfTerm(t);
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return 1;
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}
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X_API int PL_get_list(term_t ts, term_t h, term_t tl)
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{
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YAP_Term t = YAP_GetFromSlot(ts);
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@ -419,6 +505,25 @@ X_API atom_t PL_new_atom(const char *c)
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return (atom_t)YAP_LookupAtom((char *)c);
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}
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X_API atom_t PL_new_atom_wchars(int len, const wchar_t *c)
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{
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return (atom_t)YAP_LookupWideAtom((wchar_t *)c);
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}
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X_API char *PL_atom_nchars(atom_t name, size_t *sp)
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{
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*sp = YAP_AtomNameLength((YAP_Atom)name);
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return (char *)YAP_AtomName((YAP_Atom)name);
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}
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X_API wchar_t *PL_atom_wchars(atom_t name, size_t *sp)
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{
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if (!YAP_IsWideAtom((YAP_Atom)name))
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return NULL;
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*sp = YAP_AtomNameLength((YAP_Atom)name);
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return (wchar_t *)YAP_WideAtomName((YAP_Atom)name);
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}
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X_API functor_t PL_new_functor(atom_t name, int arity)
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{
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functor_t f;
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@ -532,6 +637,18 @@ X_API void PL_put_integer(term_t t, long n)
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YAP_PutInSlot(t,YAP_MkIntTerm(n));
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}
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X_API void PL_put_int64(term_t t, int64_t n)
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{
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#if HAVE_GMP
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char s[64];
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MP_INT *rop;
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sprintf(s, "%lld", (long long int)n);
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mpz_init_set_str (rop, s, 10);
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YAP_PutInSlot(t,YAP_MkBigIntTerm((void *)rop));
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#endif
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}
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X_API void PL_put_list(term_t t)
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{
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YAP_PutInSlot(t,YAP_MkNewPairTerm());
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@ -623,6 +740,24 @@ X_API int PL_unify_integer(term_t t, long n)
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return YAP_Unify(YAP_GetFromSlot(t),iterm);
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}
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/* SWI: int PL_unify_integer(term_t ?t, long n)
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YAP long int unify(YAP_Term* a, Term* b) */
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X_API int PL_unify_int64(term_t t, int64_t n)
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{
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#if HAVE_GMP
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YAP_Term iterm;
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char s[64];
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MP_INT *rop;
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sprintf(s, "%lld", (long long int)n);
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mpz_init_set_str (rop, s, 10);
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iterm = YAP_MkBigIntTerm((void *)rop);
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return YAP_Unify(YAP_GetFromSlot(t),iterm);
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#else
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return FALSE;
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#endif
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}
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/* SWI: int PL_unify_list(term_t ?t, term_t +h, term_t -t)
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YAP long int unify(YAP_Term* a, Term* b) */
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X_API int PL_unify_list(term_t t, term_t h, term_t tail)
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@ -1055,6 +1190,13 @@ PL_is_initialised(int *argc, char ***argv)
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return TRUE;
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}
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X_API atom_t PL_module_name(module_t m)
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{
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YAP_Atom at = YAP_AtomOfTerm((YAP_Term)m);
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YAP_CreateModule(at);
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return (atom_t)at;
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}
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X_API predicate_t PL_pred(functor_t f, module_t m)
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{
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if (YAP_IsAtomTerm(f)) {
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@ -34,6 +34,12 @@ typedef struct open_query_struct *qid_t;
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|||
typedef long functor_t;
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typedef int (*PL_agc_hook_t)(atom_t);
|
||||
typedef unsigned long foreign_t; /* return type of foreign functions */
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||||
#ifdef WIN32
|
||||
typedef __int64 int64_t;
|
||||
typedef unsigned __int64 uint64_t;
|
||||
#else
|
||||
#include <inttypes.h> /* more portable than stdint.h */
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||||
#endif
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||||
|
||||
typedef void *function_t;
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||||
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||||
|
|
@ -126,7 +132,8 @@ typedef void *PL_engine_t;
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typedef void install_t;
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||||
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extern X_API PL_agc_hook_t PL_agc_hook(PL_agc_hook_t);
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||||
extern X_API char* PL_atom_chars(atom_t);
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||||
extern X_API void PL_free(void *);
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extern X_API char* PL_atom_chars(atom_t);
|
||||
extern X_API term_t PL_copy_term_ref(term_t);
|
||||
extern X_API term_t PL_new_term_ref(void);
|
||||
extern X_API term_t PL_new_term_refs(int);
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|
@ -136,14 +143,18 @@ extern X_API int PL_get_arg(int, term_t, term_t);
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extern X_API int PL_get_atom(term_t, atom_t *);
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||||
extern X_API int PL_get_atom_chars(term_t, char **);
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||||
extern X_API int PL_get_chars(term_t, char **, unsigned);
|
||||
extern X_API int PL_get_nchars(term_t, size_t *, char **, unsigned);
|
||||
extern X_API int PL_get_wchars(term_t, size_t *, wchar_t **, unsigned);
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||||
extern X_API int PL_get_functor(term_t, functor_t *);
|
||||
extern X_API int PL_get_float(term_t, double *);
|
||||
extern X_API int PL_get_head(term_t, term_t);
|
||||
extern X_API int PL_get_int64(term_t, int64_t *);
|
||||
extern X_API int PL_get_integer(term_t, int *);
|
||||
extern X_API int PL_get_list(term_t, term_t, term_t);
|
||||
extern X_API int PL_get_long(term_t, long *);
|
||||
extern X_API int PL_get_list_chars(term_t, char **, unsigned);
|
||||
extern X_API int PL_get_module(term_t, module_t *);
|
||||
extern X_API atom_t PL_module_name(module_t);
|
||||
extern X_API module_t PL_new_module(atom_t);
|
||||
extern X_API int PL_get_name_arity(term_t, atom_t *, int *);
|
||||
extern X_API int PL_get_nil(term_t);
|
||||
|
|
@ -153,6 +164,9 @@ extern X_API int PL_get_tail(term_t, term_t);
|
|||
/* end PL_get_* functions =============================*/
|
||||
/* begin PL_new_* functions =============================*/
|
||||
extern X_API atom_t PL_new_atom(const char *);
|
||||
extern X_API atom_t PL_new_atom_wchars(int, const wchar_t *);
|
||||
extern X_API char *PL_atom_nchars(atom_t, size_t *);
|
||||
extern X_API wchar_t *PL_atom_wchars(atom_t, size_t *);
|
||||
extern X_API functor_t PL_new_functor(atom_t, int);
|
||||
extern X_API atom_t PL_functor_name(functor_t);
|
||||
extern X_API int PL_functor_arity(functor_t);
|
||||
|
|
@ -165,6 +179,7 @@ extern X_API void PL_put_atom(term_t, atom_t);
|
|||
extern X_API void PL_put_atom_chars(term_t, const char *);
|
||||
extern X_API void PL_put_float(term_t, double);
|
||||
extern X_API void PL_put_functor(term_t, functor_t t);
|
||||
extern X_API void PL_put_int64(term_t, int64_t);
|
||||
extern X_API void PL_put_integer(term_t, long);
|
||||
extern X_API void PL_put_list(term_t);
|
||||
extern X_API void PL_put_list_chars(term_t, const char *);
|
||||
|
|
@ -180,6 +195,7 @@ extern X_API int PL_unify(term_t, term_t);
|
|||
extern X_API int PL_unify_atom(term_t, atom_t);
|
||||
extern X_API int PL_unify_atom_chars(term_t, const char *);
|
||||
extern X_API int PL_unify_float(term_t, double);
|
||||
extern X_API int PL_unify_int64(term_t, int64_t);
|
||||
extern X_API int PL_unify_integer(term_t, long);
|
||||
extern X_API int PL_unify_list(term_t, term_t, term_t);
|
||||
extern X_API int PL_unify_list_chars(term_t, const char *);
|
||||
|
|
|
|||
Reference in New Issue