This commit is contained in:
Vitor Santos Costa 2016-09-21 14:32:29 -05:00
parent 2f885bb6f3
commit 3845d4e67d
1 changed files with 83 additions and 102 deletions

185
C/args.c
View File

@ -2,22 +2,18 @@
#include "Yap.h"
#include "Yatom.h"
/**
* Scan a list of arguments and output results to a pre-processed vector.
*
/**
* Scan a list of arguments and output results to a pre-processed vector.
*
* @param listl: input list
* @param def parameter definition
*
*
* @return all arguments, some of them set, some of them not.
*/
static xarg *
matchKey(Atom key, xarg *e0, int n, const param_t *def)
{
static xarg *matchKey(Atom key, xarg *e0, int n, const param_t *def) {
int i;
for (i=0; i< n; i++) {
for (i = 0; i < n; i++) {
if (!strcmp((char *)def->name, (char *)RepAtom(key)->StrOfAE)) {
return e0;
}
@ -31,11 +27,9 @@ matchKey(Atom key, xarg *e0, int n, const param_t *def)
* Returns the index of an argument key, or -1 if not found.
*
*/
int
Yap_ArgKey(Atom key, const param_t *def, int n)
{
int Yap_ArgKey(Atom key, const param_t *def, int n) {
int i;
for (i=0; i< n; i++) {
for (i = 0; i < n; i++) {
if (!strcmp((char *)def->name, (char *)RepAtom(key)->StrOfAE)) {
return i;
}
@ -46,105 +40,95 @@ Yap_ArgKey(Atom key, const param_t *def, int n)
#define failed(e, t, a) failed__(e, t, a PASS_REGS)
static xarg *
failed__( yap_error_number e, Term t, xarg *a USES_REGS)
{
free( a );
LOCAL_Error_TYPE = e;
LOCAL_Error_Term = t;
static xarg *failed__(yap_error_number e, Term t, xarg *a USES_REGS) {
free(a);
return NULL;
}
xarg *
Yap_ArgListToVector (Term listl, const param_t *def, int n)
{
xarg *Yap_ArgListToVector(Term listl, const param_t *def, int n) {
CACHE_REGS
listl = Deref(listl);
xarg *a = calloc( n , sizeof(xarg) );
LOCAL_Error_TYPE = YAP_NO_ERROR;
xarg *a = calloc(n, sizeof(xarg));
if (IsApplTerm(listl) && FunctorOfTerm(listl) == FunctorModule)
listl = ArgOfTerm(2,listl);
listl = ArgOfTerm(2, listl);
if (!IsPairTerm(listl) && listl != TermNil) {
if (IsVarTerm(listl) ) {
return failed( INSTANTIATION_ERROR, listl, a);
if (IsVarTerm(listl)) {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (IsAtomTerm(listl) ) {
xarg *na = matchKey( AtomOfTerm(listl), a, n, def);
if (IsAtomTerm(listl)) {
xarg *na = matchKey(AtomOfTerm(listl), a, n, def);
if (!na) {
return failed( TYPE_ERROR_LIST, listl, a );
return failed(TYPE_ERROR_LIST, listl, a);
}
} else if (IsApplTerm(listl)) {
Functor f = FunctorOfTerm( listl );
Functor f = FunctorOfTerm(listl);
if (IsExtensionFunctor(f)) {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
arity_t arity = ArityOfFunctor( f );
arity_t arity = ArityOfFunctor(f);
if (arity != 1) {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
xarg *na = matchKey( NameOfFunctor( f ), a, n, def);
xarg *na = matchKey(NameOfFunctor(f), a, n, def);
if (!na) {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
na->used = true;
na->tvalue = ArgOfTerm(1,listl);
na->tvalue = ArgOfTerm(1, listl);
return a;
} else {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
listl = MkPairTerm( listl, TermNil );
listl = MkPairTerm(listl, TermNil);
}
while (IsPairTerm(listl)) {
Term hd = HeadOfTerm( listl );
listl = TailOfTerm( listl );
if (IsVarTerm(hd) || IsVarTerm(listl)) {
Term hd = HeadOfTerm(listl);
listl = TailOfTerm(listl);
if (IsVarTerm(hd) || IsVarTerm(listl)) {
if (IsVarTerm(hd)) {
return failed( INSTANTIATION_ERROR, hd, a);
return failed(INSTANTIATION_ERROR, hd, a);
} else {
return failed( INSTANTIATION_ERROR, listl, a);
return failed(INSTANTIATION_ERROR, listl, a);
}
}
if (IsAtomTerm(hd)) {
xarg *na = matchKey( AtomOfTerm( hd ), a, n, def);
xarg *na = matchKey(AtomOfTerm(hd), a, n, def);
if (!na)
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
na->used = true;
na->tvalue = TermNil;
continue;
} else if (IsApplTerm( hd )) {
Functor f = FunctorOfTerm( hd );
} else if (IsApplTerm(hd)) {
Functor f = FunctorOfTerm(hd);
if (IsExtensionFunctor(f)) {
return failed( TYPE_ERROR_PARAMETER, hd, a);
return failed(TYPE_ERROR_PARAMETER, hd, a);
}
arity_t arity = ArityOfFunctor( f );
arity_t arity = ArityOfFunctor(f);
if (arity != 1) {
return failed( DOMAIN_ERROR_OUT_OF_RANGE, hd, a);
return failed(DOMAIN_ERROR_OUT_OF_RANGE, hd, a);
}
xarg *na = matchKey( NameOfFunctor( f ), a, n, def);
xarg *na = matchKey(NameOfFunctor(f), a, n, def);
if (!na) {
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
}
na->used = true;
na->tvalue = ArgOfTerm(1, hd);
na->tvalue = ArgOfTerm(1, hd);
} else {
return failed( TYPE_ERROR_PARAMETER, hd, a);
return failed(TYPE_ERROR_PARAMETER, hd, a);
}
}
if (IsVarTerm(listl)) {
return failed( INSTANTIATION_ERROR, listl, a);
return failed(INSTANTIATION_ERROR, listl, a);
} else if (listl != TermNil) {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
return a;
}
}
static xarg *
matchKey2(Atom key, xarg *e0, int n, const param2_t *def)
{
static xarg *matchKey2(Atom key, xarg *e0, int n, const param2_t *def) {
int i;
for (i=0; i< n; i++) {
if (!strcmp((char*)def->name, (char*)RepAtom(key)->StrOfAE)) {
for (i = 0; i < n; i++) {
if (!strcmp((char *)def->name, (char *)RepAtom(key)->StrOfAE)) {
return e0;
}
def++;
@ -153,82 +137,79 @@ matchKey2(Atom key, xarg *e0, int n, const param2_t *def)
return NULL;
}
/// Yap_ArgList2ToVector is much the same as before,
/// but assumes parameters also have something called a
/// scope
xarg *
Yap_ArgList2ToVector (Term listl, const param2_t *def, int n)
{
xarg *Yap_ArgList2ToVector(Term listl, const param2_t *def, int n) {
CACHE_REGS
xarg *a = calloc( n , sizeof(xarg) );
xarg *a = calloc(n, sizeof(xarg));
if (!IsPairTerm(listl) && listl != TermNil) {
if (IsVarTerm(listl) ) {
return failed( INSTANTIATION_ERROR, listl, a);
if (IsVarTerm(listl)) {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (IsAtomTerm(listl) ) {
xarg *na = matchKey2( AtomOfTerm(listl), a, n, def);
if (IsAtomTerm(listl)) {
xarg *na = matchKey2(AtomOfTerm(listl), a, n, def);
if (!na) {
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, listl, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, listl, a);
}
}
if (IsApplTerm(listl)) {
Functor f = FunctorOfTerm( listl );
Functor f = FunctorOfTerm(listl);
if (IsExtensionFunctor(f)) {
return failed( TYPE_ERROR_PARAMETER, listl, a);
return failed(TYPE_ERROR_PARAMETER, listl, a);
}
arity_t arity = ArityOfFunctor( f );
arity_t arity = ArityOfFunctor(f);
if (arity != 1) {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
xarg *na = matchKey2( NameOfFunctor( f ), a, n, def);
xarg *na = matchKey2(NameOfFunctor(f), a, n, def);
if (!na) {
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, listl, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, listl, a);
}
} else {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
listl = MkPairTerm( listl, TermNil );
listl = MkPairTerm(listl, TermNil);
}
while (IsPairTerm(listl)) {
Term hd = HeadOfTerm( listl );
if (IsVarTerm(hd)) {
return failed( INSTANTIATION_ERROR, hd, a);
Term hd = HeadOfTerm(listl);
if (IsVarTerm(hd)) {
return failed(INSTANTIATION_ERROR, hd, a);
}
if (IsAtomTerm(hd)) {
xarg *na = matchKey2( AtomOfTerm( hd ), a, n, def);
xarg *na = matchKey2(AtomOfTerm(hd), a, n, def);
if (!na) {
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
}
na->used = true;
na->tvalue = TermNil;
continue;
} else if (IsApplTerm( hd )) {
Functor f = FunctorOfTerm( hd );
} else if (IsApplTerm(hd)) {
Functor f = FunctorOfTerm(hd);
if (IsExtensionFunctor(f)) {
return failed( TYPE_ERROR_PARAMETER, hd, a);
return failed(TYPE_ERROR_PARAMETER, hd, a);
}
arity_t arity = ArityOfFunctor( f );
arity_t arity = ArityOfFunctor(f);
if (arity != 1) {
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
}
xarg *na = matchKey2( NameOfFunctor( f ), a, n, def);
xarg *na = matchKey2(NameOfFunctor(f), a, n, def);
if (na) {
na->used = 1;
na->tvalue = ArgOfTerm(1, hd);
na->used = 1;
na->tvalue = ArgOfTerm(1, hd);
} else {
return failed( DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
return failed(DOMAIN_ERROR_GENERIC_ARGUMENT, hd, a);
}
} else {
return failed( INSTANTIATION_ERROR, hd, a);
return failed(INSTANTIATION_ERROR, hd, a);
}
listl = TailOfTerm(listl);
}
if (IsVarTerm(listl)) {
return failed( INSTANTIATION_ERROR, listl, a);
if (IsVarTerm(listl)) {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (TermNil != listl) {
return failed( TYPE_ERROR_LIST, listl, a);
return failed(TYPE_ERROR_LIST, listl, a);
}
return a;
}
}