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allow opening array with different size on top of other;

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drop p_
take care with size < 0
This commit is contained in:
Vítor Santos Costa 2015-11-05 16:18:44 +00:00
parent cc632c08af
commit cc13181741
2 changed files with 63 additions and 71 deletions
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131
C/arrays.c
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@ -121,9 +121,9 @@ extern int errno;
#endif
#endif
static Int p_compile_array_refs( USES_REGS1 );
static Int p_array_refs_compiled( USES_REGS1 );
static Int p_sync_mmapped_arrays( USES_REGS1 );
static Int compile_array_refs( USES_REGS1 );
static Int array_refs_compiled( USES_REGS1 );
static Int sync_mmapped_arrays( USES_REGS1 );
/**
* === Implementation Notes
@ -144,7 +144,7 @@ static Int p_sync_mmapped_arrays( USES_REGS1 );
* in the code space. They have the lifetime of an heap
* object. Any term can be an argument to a dynamic array.
*
* Named arrays are named with atoms and are initialised with
* Named arrays are named with atoms and are initialized with
* free variables.
*
* + static arrays are allocated in the heap. Their space is
@ -191,15 +191,15 @@ static Int p_sync_mmapped_arrays( USES_REGS1 );
*
*/
static Int p_create_array( USES_REGS1 );
static Int p_create_mmapped_array( USES_REGS1 );
static Int p_array_references( USES_REGS1 );
static Int p_create_static_array( USES_REGS1 );
static Int p_resize_static_array( USES_REGS1 );
static Int p_close_static_array( USES_REGS1 );
static Int p_access_array( USES_REGS1 );
static Int p_assign_static( USES_REGS1 );
static Int p_assign_dynamic( USES_REGS1 );
static Int create_array( USES_REGS1 );
static Int create_mmapped_array( USES_REGS1 );
static Int array_references( USES_REGS1 );
static Int create_static_array( USES_REGS1 );
static Int resize_static_array( USES_REGS1 );
static Int close_static_array( USES_REGS1 );
static Int access_array( USES_REGS1 );
static Int assign_static( USES_REGS1 );
static Int assign_dynamic( USES_REGS1 );
#if HAVE_MMAP
@ -271,7 +271,7 @@ ResizeMmappedArray(StaticArrayEntry *pp, Int dim, void *area USES_REGS)
/* This is a very stupid algorithm to change size for an array.
First, we unmap it, then we actually change the size for the file,
and last we initialise again
and last we initialize again
*/
if (munmap(ptr->start, ptr->size) == -1) {
Yap_Error(SYSTEM_ERROR_INTERNAL,ARG1,"resize_mmapped_array (munmap: %s)", strerror(errno));
@ -541,7 +541,7 @@ it can be used to unify with an element of a dynamic array.
/// @memberof array_element/3
static Int
p_access_array( USES_REGS1 )
access_array( USES_REGS1 )
{
Term t = Deref(ARG1);
Term ti = Deref(ARG2);
@ -587,7 +587,7 @@ p_access_array( USES_REGS1 )
}
static Int
p_array_arg( USES_REGS1 )
array_arg( USES_REGS1 )
{
register Term ti = Deref(ARG3), t;
register Int indx;
@ -642,7 +642,7 @@ InitNamedArray(ArrayEntry * p, Int dim USES_REGS)
tp[0] = (CELL)Yap_MkFunctor(AtomArray, dim);
tp++;
p->ArrayEArity = dim;
/* Initialise the array as a set of variables */
/* Initialize the array as a set of variables */
HR = tp+dim;
for (; tp < HR; tp++) {
RESET_VARIABLE(tp);
@ -968,7 +968,7 @@ ClearStaticArray(StaticArrayEntry *pp)
/* create an array (?Name, + Size) */
static Int
p_create_array( USES_REGS1 )
create_array( USES_REGS1 )
{
Term ti;
Term t;
@ -1080,7 +1080,7 @@ must be an atom (named array). The _Size_ must evaluate to an
integer. The _Type_ must be bound to one of types mentioned
previously.
*/
p_create_static_array( USES_REGS1 )
create_static_array( USES_REGS1 )
{
Term ti = Deref(ARG2);
Term t = Deref(ARG1);
@ -1163,27 +1163,27 @@ p_create_static_array( USES_REGS1 )
pp = CreateStaticArray(ae, size, props, NULL, pp PASS_REGS);
WRITE_UNLOCK(ae->ARWLock);
if (pp == NULL) {
return FALSE;
return false;
}
return TRUE;
return true;
} else {
WRITE_UNLOCK(ae->ARWLock);
Yap_Error(PERMISSION_ERROR_CREATE_ARRAY,t,"cannot create static array over dynamic array");
return FALSE;
return false;
}
} else {
if (pp->ArrayEArity == size &&
pp->ArrayType == props) {
WRITE_UNLOCK(ae->ARWLock);
return TRUE;
return true;
}
Yap_FreeCodeSpace(pp->ValueOfVE.floats);
WRITE_UNLOCK(ae->ARWLock);
Yap_Error(PERMISSION_ERROR_CREATE_ARRAY,t,"cannot create static array over static array");
return FALSE;
return true;
}
}
Yap_Error(TYPE_ERROR_ATOM,t,"create static array");
return FALSE;
return false;
}
/// create a new vectir in a given name Name. If one exists, destroy prrexisting onr
@ -1209,7 +1209,7 @@ Yap_StaticVector( Atom Name, size_t size, static_array_types props )
/* has a static array associated (+Name) */
static Int
p_static_array_properties( USES_REGS1 )
static_array_properties( USES_REGS1 )
{
Term t = Deref(ARG1);
@ -1262,8 +1262,8 @@ p_static_array_properties( USES_REGS1 )
/* resize a static array (+Name, + Size, +Props) */
/* does not work for mmap arrays yet */
static Int
p_resize_static_array( USES_REGS1 )
static Int
resize_static_array( USES_REGS1 )
{
Term ti = Deref(ARG3);
Term t = Deref(ARG1);
@ -1318,7 +1318,7 @@ Reset static array with name _Name_ to its initial value.
*/
static Int
p_clear_static_array( USES_REGS1 )
clear_static_array( USES_REGS1 )
{
Term t = Deref(ARG1);
@ -1357,7 +1357,7 @@ further accesses to the array will return an error.
*/
static Int
p_close_static_array( USES_REGS1 )
close_static_array( USES_REGS1 )
{
/* does not work for mmap arrays yet */
Term t = Deref(ARG1);
@ -1419,7 +1419,7 @@ terms (type `term`).
*/
static Int
p_create_mmapped_array( USES_REGS1 )
create_mmapped_array( USES_REGS1 )
{
#ifdef HAVE_MMAP
Term ti = Deref(ARG2);
@ -1704,8 +1704,8 @@ replace_array_references(Term t0 USES_REGS)
}
}
static Int
p_array_references( USES_REGS1 )
static Int
array_references( USES_REGS1 )
{
Term t = replace_array_references(ARG1 PASS_REGS);
Term t1 = HeadOfTerm(t);
@ -1732,7 +1732,7 @@ to use the operations on mutable terms.
*/
static Int
p_assign_static( USES_REGS1 )
assign_static( USES_REGS1 )
{
Term t1, t2, t3;
StaticArrayEntry *ptr;
@ -2065,7 +2065,7 @@ p_assign_static( USES_REGS1 )
}
static Int
p_assign_dynamic( USES_REGS1 )
assign_dynamic( USES_REGS1 )
{
Term t1, t2, t3;
StaticArrayEntry *ptr;
@ -2228,7 +2228,7 @@ terms.
*/
static Int
p_add_to_array_element( USES_REGS1 )
add_to_array_element( USES_REGS1 )
{
Term t1, t2, t3;
StaticArrayEntry *ptr;
@ -2362,17 +2362,10 @@ p_add_to_array_element( USES_REGS1 )
Yap_Error(TYPE_ERROR_NUMBER,ta,"add_to_array_element");
return FALSE;
}
#ifdef MULTI_ASSIGNMENT_VARIABLES
/* the evil deed is to be done now */
t3 = MkIntegerTerm(IntegerOfTerm(t3)+1);
MaBind(pt, t3);
MaBind(pt, ta);
WRITE_UNLOCK(pp->ArRWLock);
return Yap_unify(ARG4,t3);
#else
Yap_Error(SYSTEM_ERROR_INTERNAL,t2,"add_to_array_element");
WRITE_UNLOCK(pp->ArRWLock);
return FALSE;
#endif
}
WRITE_LOCK(ptr->ArRWLock);
@ -2417,26 +2410,26 @@ p_add_to_array_element( USES_REGS1 )
break;
default:
WRITE_UNLOCK(ptr->ArRWLock);
Yap_Error(TYPE_ERROR_INTEGER,t2,"add_to_array_element");
Yap_Error(TYPE_ERROR_NUMBER,t2,"add_to_array_element");
return FALSE;
}
}
static Int
p_compile_array_refs( USES_REGS1 )
compile_array_refs( USES_REGS1 )
{
compile_arrays = TRUE;
return (TRUE);
}
static Int
p_array_refs_compiled( USES_REGS1 )
array_refs_compiled( USES_REGS1 )
{
return compile_arrays;
}
static Int
p_sync_mmapped_arrays( USES_REGS1 )
sync_mmapped_arrays( USES_REGS1 )
{
#ifdef HAVE_MMAP
mmap_array_block *ptr = GLOBAL_mmap_arrays;
@ -2460,7 +2453,7 @@ that name.
*/
static Int
p_static_array_to_term( USES_REGS1 )
static_array_to_term( USES_REGS1 )
{
Term t = Deref(ARG1);
@ -2631,7 +2624,7 @@ Give the location or memory address for a static array with name
_Name_. The result is observed as an integer.
*/
static Int
p_static_array_location( USES_REGS1 )
static_array_location( USES_REGS1 )
{
Term t = Deref(ARG1);
Int *ptr;
@ -2662,24 +2655,24 @@ p_static_array_location( USES_REGS1 )
void
Yap_InitArrayPreds( void )
{
Yap_InitCPred("$create_array", 2, p_create_array, SyncPredFlag);
Yap_InitCPred("$array_references", 3, p_array_references, SafePredFlag);
Yap_InitCPred("$array_arg", 3, p_array_arg, SafePredFlag);
Yap_InitCPred("static_array", 3, p_create_static_array, SafePredFlag|SyncPredFlag);
Yap_InitCPred("resize_static_array", 3, p_resize_static_array, SafePredFlag|SyncPredFlag);
Yap_InitCPred("mmapped_array", 4, p_create_mmapped_array, SafePredFlag|SyncPredFlag);
Yap_InitCPred("update_array", 3, p_assign_static, SafePredFlag);
Yap_InitCPred("dynamic_update_array", 3, p_assign_dynamic, SafePredFlag);
Yap_InitCPred("add_to_array_element", 4, p_add_to_array_element, SafePredFlag);
Yap_InitCPred("array_element", 3, p_access_array, 0);
Yap_InitCPred("reset_static_array", 1, p_clear_static_array, SafePredFlag);
Yap_InitCPred("close_static_array", 1, p_close_static_array, SafePredFlag);
Yap_InitCPred("$sync_mmapped_arrays", 0, p_sync_mmapped_arrays, SafePredFlag);
Yap_InitCPred("$compile_array_refs", 0, p_compile_array_refs, SafePredFlag);
Yap_InitCPred("$array_refs_compiled", 0, p_array_refs_compiled, SafePredFlag);
Yap_InitCPred("$static_array_properties", 3, p_static_array_properties, SafePredFlag);
Yap_InitCPred("static_array_to_term", 2, p_static_array_to_term, 0L);
Yap_InitCPred("static_array_location", 2, p_static_array_location, 0L);
Yap_InitCPred("$create_array", 2, create_array, SyncPredFlag);
Yap_InitCPred("$array_references", 3, array_references, SafePredFlag);
Yap_InitCPred("$array_arg", 3, array_arg, SafePredFlag);
Yap_InitCPred("static_array", 3, create_static_array, SafePredFlag|SyncPredFlag);
Yap_InitCPred("resize_static_array", 3, resize_static_array, SafePredFlag|SyncPredFlag);
Yap_InitCPred("mmapped_array", 4, create_mmapped_array, SafePredFlag|SyncPredFlag);
Yap_InitCPred("update_array", 3, assign_static, SafePredFlag);
Yap_InitCPred("dynamic_update_array", 3, assign_dynamic, SafePredFlag);
Yap_InitCPred("add_to_array_element", 4, add_to_array_element, SafePredFlag);
Yap_InitCPred("array_element", 3, access_array, 0);
Yap_InitCPred("reset_static_array", 1, clear_static_array, SafePredFlag);
Yap_InitCPred("close_static_array", 1, close_static_array, SafePredFlag);
Yap_InitCPred("$sync_mmapped_arrays", 0, sync_mmapped_arrays, SafePredFlag);
Yap_InitCPred("$compile_array_refs", 0, compile_array_refs, SafePredFlag);
Yap_InitCPred("$array_refs_compiled", 0, array_refs_compiled, SafePredFlag);
Yap_InitCPred("$static_array_properties", 3, static_array_properties, SafePredFlag);
Yap_InitCPred("static_array_to_term", 2, static_array_to_term, 0L);
Yap_InitCPred("static_array_location", 2, static_array_location, 0L);
}

3
H/rheap.h
View File

@ -1441,7 +1441,6 @@ RestoreEntries(PropEntry *pp, int int_key USES_REGS)
CleanCode(RepPredProp(p0) PASS_REGS);
RepPredProp(p0)->NextOfPE =
PropAdjust(RepPredProp(p0)->NextOfPE);
p0 = RepPredProp(p0)->NextOfPE;
}
}
break;
@ -1488,7 +1487,7 @@ RestoreEntries(PropEntry *pp, int int_key USES_REGS)
ArrayEntry *ae = (ArrayEntry *)pp;
ae->NextOfPE =
PropAdjust(ae->NextOfPE);
if (ae->ArrayEArity < 0) {
if (ae->TypeOfAE == STATIC_ARRAY) {
/* static array entry */
StaticArrayEntry *sae = (StaticArrayEntry *)ae;
if (sae->NextAE)