#include "config.h"
#include "errors.h"
#include "system.h"
#include "rtl.h"
#include "tree.h"
#include "bitmap.h"
#include "varray.h"
#ifdef PFE
#include "pfe/pfe.h"
static char *use_pfe_mem_indicator = PFE_VARRAY"";
#define USE_PFE_MEMORY(name) (*(name) == *use_pfe_mem_indicator)
#endif
#define VARRAY_HDR_SIZE (sizeof (struct varray_head_tag) - sizeof (varray_data))
varray_type
varray_init (num_elements, element_size, name)
size_t num_elements;
size_t element_size;
const char *name;
{
size_t data_size = num_elements * element_size;
#ifndef PFE
varray_type ptr = (varray_type) xcalloc (VARRAY_HDR_SIZE + data_size, 1);
#else
varray_type ptr = USE_PFE_MEMORY (name)
? (varray_type) PFE_CALLOC (VARRAY_HDR_SIZE + data_size, 1,
PFE_ALLOC_VARRAY)
: (varray_type) xcalloc (VARRAY_HDR_SIZE + data_size, 1);
name = PFE_SAVESTRING (name);
#endif
ptr->num_elements = num_elements;
ptr->elements_used = 0;
ptr->element_size = element_size;
ptr->name = name;
return ptr;
}
varray_type
varray_grow (va, n)
varray_type va;
size_t n;
{
size_t old_elements = va->num_elements;
if (n != old_elements)
{
size_t element_size = va->element_size;
size_t old_data_size = old_elements * element_size;
size_t data_size = n * element_size;
#ifdef PFE
if (va->name && USE_PFE_MEMORY (va->name))
va = (varray_type) PFE_REALLOC ((char *)va,
VARRAY_HDR_SIZE + data_size,
PFE_ALLOC_VARRAY);
else
#endif
va = (varray_type) xrealloc ((char *) va, VARRAY_HDR_SIZE + data_size);
va->num_elements = n;
if (n > old_elements)
memset (&va->data.c[old_data_size], 0, data_size - old_data_size);
}
return va;
}
#if defined ENABLE_CHECKING && (GCC_VERSION >= 2007)
extern void error PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1;
void
varray_check_failed (va, n, file, line, function)
varray_type va;
size_t n;
const char *file;
int line;
const char *function;
{
internal_error ("virtual array %s[%lu]: element %lu out of bounds in %s, at %s:%d",
va->name, (unsigned long) va->num_elements, (unsigned long) n,
function, trim_filename (file), line);
}
#endif
#ifdef PFE
void
pfe_varray_free (vp)
varray_type vp;
{
if (USE_PFE_MEMORY (vp->name))
pfe_free (vp);
else
free (vp);
}
void
pfe_freeze_thaw_varray_tree (vpp)
varray_type *vpp;
{
varray_type va = (varray_type)PFE_FREEZE_THAW_PTR (vpp);
size_t i, nelts;
if (va)
{
if (PFE_FREEZING)
{
if (!USE_PFE_MEMORY (va->name))
internal_error ("Virtual array %s was assumed to be in pfe memory and isn't",
RP (va->name));
pfe_freeze_ptr (&va->name);
}
else
{
pfe_thaw_ptr (&va->name);
if (!USE_PFE_MEMORY (va->name))
internal_error ("Virtual array %s was assumed to be in pfe memory and isn't",
RP (va->name));
}
nelts = VARRAY_ACTIVE_SIZE (va);
for (i = 0; i < nelts; ++i)
PFE_FREEZE_THAW_WALK (va->data.tree[i]);
}
}
#endif