e576bb2002-10-11Martin Nilsson /* || This file is part of Pike. For copyright information see COPYRIGHT. || Pike is distributed under GPL, LGPL and MPL. See the file COPYING || for more information.
766bc82004-10-16Marcus Agehall || $Id: array.c,v 1.174 2004/10/16 07:27:30 agehall Exp $
e576bb2002-10-11Martin Nilsson */
aedfb12002-10-09Martin Nilsson 
5267b71995-08-09Fredrik Hübinette (Hubbe) #include "global.h" #include "svalue.h" #include "array.h" #include "object.h" #include "las.h" #include "stralloc.h" #include "interpret.h"
f76b4c2000-05-11Henrik Grubbström (Grubba) #include "opcodes.h"
b2d3e42000-12-01Fredrik Hübinette (Hubbe) #include "pike_error.h"
06983f1996-09-22Fredrik Hübinette (Hubbe) #include "pike_types.h"
5267b71995-08-09Fredrik Hübinette (Hubbe) #include "fsort.h"
06983f1996-09-22Fredrik Hübinette (Hubbe) #include "builtin_functions.h"
9aa6fa1997-05-19Fredrik Hübinette (Hubbe) #include "pike_memory.h"
624d091996-02-24Fredrik Hübinette (Hubbe) #include "gc.h"
e3c6e11996-05-16Fredrik Hübinette (Hubbe) #include "main.h"
37775c2004-04-06Martin Nilsson #include "pike_security.h"
f9abcf1999-09-16Fredrik Hübinette (Hubbe) #include "stuff.h"
1b0ac81999-10-29Martin Stjernholm #include "bignum.h"
7445802002-05-28Henrik Grubbström (Grubba) #include "cyclic.h"
99423b2003-04-26Martin Stjernholm #include "multiset.h"
aa05572004-08-20Martin Nilsson #include "mapping.h"
5267b71995-08-09Fredrik Hübinette (Hubbe) 
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array empty_array=
5267b71995-08-09Fredrik Hübinette (Hubbe) {
f4d7572001-04-15Martin Stjernholm  PIKE_CONSTANT_MEMOBJ_INIT(1), /* Never free */
be08a82001-06-06Martin Stjernholm  &weak_empty_array, /* Next */
cd451f2004-03-15Martin Stjernholm  0, /* previous */
5267b71995-08-09Fredrik Hübinette (Hubbe)  0, /* Size = 0 */ 0, /* malloced Size = 0 */ 0, /* no types */
fc33451997-10-02Fredrik Hübinette (Hubbe)  0, /* no flags */
611b062001-06-11Martin Stjernholm  empty_array.real_item, /* Initialize the item pointer. */
2fbeae2001-07-01Martin Stjernholm #ifdef HAVE_UNION_INIT {{0, 0, {0}}}, /* Only to avoid warnings. */ #endif
5267b71995-08-09Fredrik Hübinette (Hubbe) };
be08a82001-06-06Martin Stjernholm PMOD_EXPORT struct array weak_empty_array= { PIKE_CONSTANT_MEMOBJ_INIT(1),
5272b22004-09-22Martin Stjernholm  0, &empty_array, 0, 0, 0, ARRAY_WEAK_FLAG,
611b062001-06-11Martin Stjernholm  weak_empty_array.real_item,
2fbeae2001-07-01Martin Stjernholm #ifdef HAVE_UNION_INIT {{0, 0, {0}}}, /* Only to avoid warnings. */ #endif
be08a82001-06-06Martin Stjernholm };
5267b71995-08-09Fredrik Hübinette (Hubbe) 
cd451f2004-03-15Martin Stjernholm struct array *first_array = &empty_array; struct array *gc_internal_array = 0;
e2d9e62000-06-10Martin Stjernholm static struct array *gc_mark_array_pos = 0;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
2523ce2003-04-28Martin Stjernholm #ifdef TRACE_UNFINISHED_TYPE_FIELDS PMOD_EXPORT int accept_unfinished_type_fields = 0; PMOD_EXPORT void dont_accept_unfinished_type_fields (void *orig) { accept_unfinished_type_fields = (int) orig; } #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  /* Allocate an array, this might be changed in the future to * allocate linked lists or something
bebc472004-09-18Henrik Grubbström (Grubba)  * NOTE: the new array has zero references
5267b71995-08-09Fredrik Hübinette (Hubbe)  */
cde8152004-09-30Martin Stjernholm PMOD_EXPORT struct array *real_allocate_array(ptrdiff_t size, ptrdiff_t extra_space)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *v;
080b1a2000-08-10Henrik Grubbström (Grubba)  ptrdiff_t e;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
7445802002-05-28Henrik Grubbström (Grubba)  if(size+extra_space == 0)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
aa366d1998-04-16Fredrik Hübinette (Hubbe)  add_ref(&empty_array);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return &empty_array; }
35d5712004-09-17Martin Nilsson  /* Limits size to (1<<29)-4 */
766bc82004-10-16Marcus Agehall  if( (size_t)(size+extra_space-1) >
bebc472004-09-18Henrik Grubbström (Grubba)  (LONG_MAX-sizeof(struct array))/sizeof(struct svalue) ) Pike_error("Too large array (size %ld exceeds %ld).\n", (long)(size+extra_space-1), (long)((LONG_MAX-sizeof(struct array))/sizeof(struct svalue)) );
fc76951996-02-17Fredrik Hübinette (Hubbe)  v=(struct array *)malloc(sizeof(struct array)+ (size+extra_space-1)*sizeof(struct svalue)); if(!v)
cf9d842004-08-20Martin Nilsson  Pike_error(msg_out_of_mem);
7bf6232000-04-23Martin Stjernholm  GC_ALLOC(v);
88cf4f2003-01-11Martin Stjernholm 
fc76951996-02-17Fredrik Hübinette (Hubbe) 
2523ce2003-04-28Martin Stjernholm  if (size) /* for now, we don't know what will go in here */ v->type_field = BIT_MIXED | BIT_UNFINISHED; else v->type_field = 0;
cd83521998-02-02Fredrik Hübinette (Hubbe)  v->flags=0;
fc76951996-02-17Fredrik Hübinette (Hubbe) 
84f8952000-08-16Henrik Grubbström (Grubba)  v->malloced_size = DO_NOT_WARN((INT32)(size + extra_space));
b99ff82001-06-07Fredrik Hübinette (Hubbe)  v->item=v->real_item;
84f8952000-08-16Henrik Grubbström (Grubba)  v->size = DO_NOT_WARN((INT32)size);
45637c2001-04-07Fredrik Hübinette (Hubbe)  INIT_PIKE_MEMOBJ(v);
cd451f2004-03-15Martin Stjernholm  DOUBLELINK (first_array, v);
5267b71995-08-09Fredrik Hübinette (Hubbe) 
2a129b1996-03-24Fredrik Hübinette (Hubbe)  for(e=0;e<v->size;e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
2a129b1996-03-24Fredrik Hübinette (Hubbe)  ITEM(v)[e].type=T_INT; ITEM(v)[e].subtype=NUMBER_NUMBER; ITEM(v)[e].u.integer=0;
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
2a129b1996-03-24Fredrik Hübinette (Hubbe)  return v;
5267b71995-08-09Fredrik Hübinette (Hubbe) } /* * Free an array without freeing the values inside it */ static void array_free_no_free(struct array *v) {
cd451f2004-03-15Martin Stjernholm  DOUBLEUNLINK (first_array, v);
5267b71995-08-09Fredrik Hübinette (Hubbe)  free((char *)v);
624d091996-02-24Fredrik Hübinette (Hubbe) 
553d232000-09-14Martin Stjernholm  GC_FREE(v);
5267b71995-08-09Fredrik Hübinette (Hubbe) } /* * Free an array, call this when the array has zero references */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void really_free_array(struct array *v)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5272b22004-09-22Martin Stjernholm  if(v == & empty_array || v == &weak_empty_array)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Tried to free some *_empty_array.\n");
d631b82002-12-01Martin Stjernholm  if (v->refs) { #ifdef DEBUG_MALLOC describe_something(v, T_ARRAY, 0,2,0, NULL); #endif
5aad932002-08-15Marcus Comstedt  Pike_fatal("Freeing array with %d refs.\n", v->refs);
d631b82002-12-01Martin Stjernholm  }
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
ed36ce1996-08-12Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v); #endif
5267b71995-08-09Fredrik Hübinette (Hubbe) 
aa366d1998-04-16Fredrik Hübinette (Hubbe)  add_ref(v);
45637c2001-04-07Fredrik Hübinette (Hubbe)  EXIT_PIKE_MEMOBJ(v);
fc76951996-02-17Fredrik Hübinette (Hubbe)  free_svalues(ITEM(v), v->size, v->type_field);
50ea682003-03-14Henrik Grubbström (Grubba)  sub_ref(v);
5267b71995-08-09Fredrik Hübinette (Hubbe)  array_free_no_free(v); }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void do_free_array(struct array *a)
2a32691998-01-31Fredrik Hübinette (Hubbe) {
65b6732000-07-07Martin Stjernholm  if (a) free_array(a);
2a32691998-01-31Fredrik Hübinette (Hubbe) }
be08a82001-06-06Martin Stjernholm PMOD_EXPORT struct array *array_set_flags(struct array *a, int flags) { if (a->size) a->flags = flags; else { free_array(a); switch (flags) { case 0: add_ref(a = &empty_array); break; case ARRAY_WEAK_FLAG: add_ref(a = &weak_empty_array); break; default:
5aad932002-08-15Marcus Comstedt  Pike_fatal("Invalid flags %x\n", flags);
be08a82001-06-06Martin Stjernholm  } } return a; }
5267b71995-08-09Fredrik Hübinette (Hubbe)  /* * Extract an svalue from an array */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void array_index(struct svalue *s,struct array *v,INT32 index)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(index<0 || index>=v->size)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Illegal index in low level index routine.\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif
aa366d1998-04-16Fredrik Hübinette (Hubbe)  add_ref(v);
fc76951996-02-17Fredrik Hübinette (Hubbe)  assign_svalue(s, ITEM(v) + index);
5267b71995-08-09Fredrik Hübinette (Hubbe)  free_array(v); }
bcd8012003-04-28Martin Stjernholm /* Is destructive on data if destructive is set and it only has one ref. */ PMOD_EXPORT struct array *array_column (struct array *data, struct svalue *index, int destructive)
fb567a2003-04-27Martin Stjernholm { int e; struct array *a; TYPE_FIELD types = 0; DECLARE_CYCLIC(); /* Optimization */
bcd8012003-04-28Martin Stjernholm  if(data->refs == 1 && destructive)
fb567a2003-04-27Martin Stjernholm  { /* An array with one ref cannot possibly be cyclic */ struct svalue sval; data->type_field = BIT_MIXED | BIT_UNFINISHED; for(e=0;e<data->size;e++) { index_no_free(&sval, ITEM(data)+e, index); types |= 1 << sval.type; free_svalue(ITEM(data)+e); move_svalue (ITEM(data) + e, &sval); } data->type_field = types;
00662f2003-04-27Martin Stjernholm  add_ref (data);
fb567a2003-04-27Martin Stjernholm  return data; } if((a=(struct array *)BEGIN_CYCLIC(data,0))) { add_ref(a); }else{ push_array(a=allocate_array(data->size)); SET_CYCLIC_RET(a); for(e=0;e<a->size;e++) { index_no_free(ITEM(a)+e, ITEM(data)+e, index); types |= 1 << ITEM(a)[e].type; } a->type_field = types; dmalloc_touch_svalue(Pike_sp-1); Pike_sp--; } END_CYCLIC(); return a; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void simple_array_index_no_free(struct svalue *s,
fc33451997-10-02Fredrik Hübinette (Hubbe)  struct array *a,struct svalue *ind)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
de2a581997-09-28Fredrik Hübinette (Hubbe)  switch(ind->type) {
b99d882003-05-15Martin Stjernholm  case T_INT: { INT_TYPE p = ind->u.integer; INT_TYPE i = p < 0 ? p + a->size : p;
bc68dc1998-04-29Henrik Grubbström (Grubba)  if(i<0 || i>=a->size) {
8aefbc1999-03-19Fredrik Hübinette (Hubbe)  struct svalue tmp; tmp.type=T_ARRAY; tmp.u.array=a;
bc68dc1998-04-29Henrik Grubbström (Grubba)  if (a->size) {
b99d882003-05-15Martin Stjernholm  index_error(0,0,0,&tmp,ind, "Index %"PRINTPIKEINT"d is out of array range " "%"PRINTPTRDIFFT"d..%"PRINTPTRDIFFT"d.\n", p, -a->size, a->size-1);
bc68dc1998-04-29Henrik Grubbström (Grubba)  } else {
b99d882003-05-15Martin Stjernholm  index_error(0,0,0,&tmp,ind, "Attempt to index the empty array with %"PRINTPIKEINT"d.\n", p);
bc68dc1998-04-29Henrik Grubbström (Grubba)  } }
de2a581997-09-28Fredrik Hübinette (Hubbe)  array_index_no_free(s,a,i); break;
b99d882003-05-15Martin Stjernholm  }
de2a581997-09-28Fredrik Hübinette (Hubbe)  case T_STRING:
ae55021999-08-17Fredrik Hübinette (Hubbe)  {
7b5b892003-04-28Martin Stjernholm  /* Set the type afterwards to avoid a clobbered svalue in case * array_column throws. */
bcd8012003-04-28Martin Stjernholm  s->u.array = array_column (a, ind, 0);
7b5b892003-04-28Martin Stjernholm  s->type = T_ARRAY;
ae55021999-08-17Fredrik Hübinette (Hubbe)  break; }
fc33451997-10-02Fredrik Hübinette (Hubbe) 
de2a581997-09-28Fredrik Hübinette (Hubbe)  default:
8aefbc1999-03-19Fredrik Hübinette (Hubbe)  { struct svalue tmp; tmp.type=T_ARRAY; tmp.u.array=a;
ae55021999-08-17Fredrik Hübinette (Hubbe)  index_error(0,0,0,&tmp,ind,"Array index is neither int nor string.\n");
8aefbc1999-03-19Fredrik Hübinette (Hubbe)  }
de2a581997-09-28Fredrik Hübinette (Hubbe)  }
5267b71995-08-09Fredrik Hübinette (Hubbe) } /* * Extract an svalue from an array */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void array_free_index(struct array *v,INT32 index)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(index<0 || index>=v->size)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Illegal index in low level free index routine.\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif
fc76951996-02-17Fredrik Hübinette (Hubbe)  free_svalue(ITEM(v) + index);
5267b71995-08-09Fredrik Hübinette (Hubbe) }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void simple_set_index(struct array *a,struct svalue *ind,struct svalue *s)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
ac90531999-08-17Martin Stjernholm  switch (ind->type) {
b99d882003-05-15Martin Stjernholm  case T_INT: { INT_TYPE p = ind->u.integer; INT_TYPE i = p < 0 ? p + a->size : p;
ac90531999-08-17Martin Stjernholm  if(i<0 || i>=a->size) { if (a->size) {
b99d882003-05-15Martin Stjernholm  Pike_error("Index %"PRINTPIKEINT"d is out of array range " "%"PRINTPTRDIFFT"d..%"PRINTPTRDIFFT"d.\n", p, -a->size, a->size-1);
ac90531999-08-17Martin Stjernholm  } else {
b99d882003-05-15Martin Stjernholm  Pike_error("Attempt to index the empty array with %"PRINTPIKEINT"d.\n", p);
ac90531999-08-17Martin Stjernholm  } } array_set_index(a,i,s); break;
b99d882003-05-15Martin Stjernholm  }
ac90531999-08-17Martin Stjernholm  case T_STRING:
ae55021999-08-17Fredrik Hübinette (Hubbe)  { INT32 i, n; check_stack(2);
fc26f62000-07-06Fredrik Hübinette (Hubbe)  Pike_sp++->type = T_VOID;
ae55021999-08-17Fredrik Hübinette (Hubbe)  push_svalue(ind); for (i = 0, n = a->size; i < n; i++) {
fc26f62000-07-06Fredrik Hübinette (Hubbe)  assign_svalue(Pike_sp-2, &a->item[i]); assign_lvalue(Pike_sp-2, s);
ac90531999-08-17Martin Stjernholm  }
ae55021999-08-17Fredrik Hübinette (Hubbe)  pop_n_elems(2); break; }
ac90531999-08-17Martin Stjernholm  default:
ae55021999-08-17Fredrik Hübinette (Hubbe)  { struct svalue tmp; tmp.type=T_ARRAY; tmp.u.array=a; index_error(0,0,0,&tmp,ind,"Array index is neither int nor string.\n"); }
bc68dc1998-04-29Henrik Grubbström (Grubba)  }
5267b71995-08-09Fredrik Hübinette (Hubbe) } /* * Insert an svalue into an array, grow the array if nessesary */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *array_insert(struct array *v,struct svalue *s,INT32 index)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(index<0 || index>v->size)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Illegal index in low level insert routine.\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif /* Can we fit it into the existing block? */ if(v->refs<=1 && v->malloced_size > v->size) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  MEMMOVE((char *)(ITEM(v)+index+1), (char *)(ITEM(v)+index), (v->size-index) * sizeof(struct svalue)); ITEM(v)[index].type=T_INT;
f9771c1995-11-15Fredrik Hübinette (Hubbe) #ifdef __CHECKER__
fc76951996-02-17Fredrik Hübinette (Hubbe)  ITEM(v)[index].subtype=0; ITEM(v)[index].u.refs=0;
f9771c1995-11-15Fredrik Hübinette (Hubbe) #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  v->size++; }else{ struct array *ret;
4821f12004-09-16Henrik Grubbström (Grubba)  ret = array_set_flags(allocate_array_no_init(v->size+1, (v->size >> 3) + 1), v->flags);
5267b71995-08-09Fredrik Hübinette (Hubbe)  ret->type_field = v->type_field;
fc76951996-02-17Fredrik Hübinette (Hubbe)  MEMCPY(ITEM(ret), ITEM(v), sizeof(struct svalue) * index); MEMCPY(ITEM(ret)+index+1, ITEM(v)+index, sizeof(struct svalue) * (v->size-index)); ITEM(ret)[index].type=T_INT;
f9771c1995-11-15Fredrik Hübinette (Hubbe) #ifdef __CHECKER__
fc76951996-02-17Fredrik Hübinette (Hubbe)  ITEM(ret)[index].subtype=0; ITEM(ret)[index].u.refs=0;
f9771c1995-11-15Fredrik Hübinette (Hubbe) #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  v->size=0; free_array(v); v=ret; } array_set_index(v,index,s); return v; }
cafd512004-09-16Henrik Grubbström (Grubba) /* * Shrink an array destructively */ PMOD_EXPORT struct array *array_shrink(struct array *v, ptrdiff_t size) { struct array *a; #ifdef PIKE_DEBUG if(v->refs>2) /* Odd, but has to be two */ Pike_fatal("Array shrink on array with many references.\n"); if(size > v->size) Pike_fatal("Illegal argument to array_shrink.\n"); #endif if(!size || (size*4 < v->malloced_size + 4)) /* Should we realloc it? */ { a = array_set_flags(allocate_array_no_init(size, 0), v->flags); if (a->size) { a->type_field = v->type_field; } free_svalues(ITEM(v) + size, v->size - size, v->type_field); MEMCPY(ITEM(a), ITEM(v), size*sizeof(struct svalue)); v->size=0; free_array(v); return a; }else{ free_svalues(ITEM(v) + size, v->size - size, v->type_field); v->size=size; return v; } }
5267b71995-08-09Fredrik Hübinette (Hubbe) /* * resize array, resize an array destructively */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *resize_array(struct array *a, INT32 size)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
9649491998-02-27Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(a); #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(a->size == size) return a; if(size > a->size) { /* We should grow the array */
4ac8381997-04-16Fredrik Hübinette (Hubbe) 
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(a->malloced_size >= size) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(;a->size < size; a->size++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  ITEM(a)[a->size].type=T_INT; ITEM(a)[a->size].subtype=NUMBER_NUMBER; ITEM(a)[a->size].u.integer=0;
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  a->type_field |= BIT_INT;
5267b71995-08-09Fredrik Hübinette (Hubbe)  return a;
cafd512004-09-16Henrik Grubbström (Grubba)  } else {
5267b71995-08-09Fredrik Hübinette (Hubbe)  struct array *ret;
cafd512004-09-16Henrik Grubbström (Grubba)  ret = array_set_flags(low_allocate_array(size, (size>>1) + 4), a->flags); MEMCPY(ITEM(ret), ITEM(a), sizeof(struct svalue)*a->size);
a5cd6a2001-09-24Henrik Grubbström (Grubba)  ret->type_field = DO_NOT_WARN((TYPE_FIELD)(a->type_field | BIT_INT));
5267b71995-08-09Fredrik Hübinette (Hubbe)  a->size=0; free_array(a); return ret; }
cafd512004-09-16Henrik Grubbström (Grubba)  } else { return array_shrink(a, size);
5267b71995-08-09Fredrik Hübinette (Hubbe)  } } /* * Remove an index from an array and shrink the array */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *array_remove(struct array *v,INT32 index)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *a;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(index<0 || index >= v->size)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Illegal argument to array_remove.\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif array_free_index(v, index);
cafd512004-09-16Henrik Grubbström (Grubba)  if (v->size == 1) { v->size = 0; /* NOTE: The following uses the fact that array_set_flags() * will reallocate the array if it has zero size! */ return array_set_flags(v, v->flags); } else if(v->size*4 + 4 < v->malloced_size ) /* Should we realloc it? */
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
cafd512004-09-16Henrik Grubbström (Grubba)  a = array_set_flags(allocate_array_no_init(v->size-1, 0), v->flags);
5267b71995-08-09Fredrik Hübinette (Hubbe)  a->type_field = v->type_field;
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(index>0) MEMCPY(ITEM(a), ITEM(v), index*sizeof(struct svalue)); if(v->size-index>1) MEMCPY(ITEM(a)+index, ITEM(v)+index+1, (v->size-index-1)*sizeof(struct svalue));
5267b71995-08-09Fredrik Hübinette (Hubbe)  v->size=0; free_array(v); return a;
cafd512004-09-16Henrik Grubbström (Grubba)  } else {
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(v->size-index>1) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  MEMMOVE((char *)(ITEM(v)+index), (char *)(ITEM(v)+index+1), (v->size-index-1)*sizeof(struct svalue));
5267b71995-08-09Fredrik Hübinette (Hubbe)  } v->size--; return v; } } /* * Search for in svalue in an array. * return the index if found, -1 otherwise */
63540d2000-08-15Henrik Grubbström (Grubba) PMOD_EXPORT ptrdiff_t array_search(struct array *v, struct svalue *s, ptrdiff_t start)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
63540d2000-08-15Henrik Grubbström (Grubba)  ptrdiff_t e;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(start<0)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Start of find_index is less than zero.\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif check_destructed(s);
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
c9fba61997-06-06Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v);
e3c6e11996-05-16Fredrik Hübinette (Hubbe) #endif
faef112000-02-17Fredrik Hübinette (Hubbe)  /* Why search for something that is not there? * however, we must explicitly check for searches * for destructed objects/functions */ if((v->type_field & (1 << s->type)) ||
9f516a2001-12-16Martin Stjernholm  (UNSAFE_IS_ZERO(s) && (v->type_field & (BIT_FUNCTION|BIT_OBJECT))) ||
51ab302000-05-23Fredrik Hübinette (Hubbe)  ( (v->type_field | (1<<s->type)) & BIT_OBJECT )) /* for overloading */
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
c9fba61997-06-06Fredrik Hübinette (Hubbe)  if(start)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
c9fba61997-06-06Fredrik Hübinette (Hubbe)  for(e=start;e<v->size;e++) if(is_eq(ITEM(v)+e,s)) return e; }else{ TYPE_FIELD t=0; for(e=0;e<v->size;e++) { if(is_eq(ITEM(v)+e,s)) return e; t |= 1<<ITEM(v)[e].type; } v->type_field=t;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } } return -1; } /*
cafd512004-09-16Henrik Grubbström (Grubba)  * Slice a piece of an array (nondestructively)
5267b71995-08-09Fredrik Hübinette (Hubbe)  * return an array consisting of v[start..end-1] */
6aa68b2000-08-15Henrik Grubbström (Grubba) PMOD_EXPORT struct array *slice_array(struct array *v, ptrdiff_t start, ptrdiff_t end)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *a;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(start > end || end>v->size || start<0)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Illegal arguments to slice_array()\n");
9649491998-02-27Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v);
5267b71995-08-09Fredrik Hübinette (Hubbe) #endif
b99ff82001-06-07Fredrik Hübinette (Hubbe) #if 1 if(v->refs==1) /* Can we use the same array? */
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
b99ff82001-06-07Fredrik Hübinette (Hubbe)  if((end-start) &&
50a8782001-06-07Fredrik Hübinette (Hubbe)  (end-start)*2 > v->malloced_size+4+(v->item-v->real_item) ) /* don't waste too much memory */
b99ff82001-06-07Fredrik Hübinette (Hubbe)  { add_ref(v); free_svalues(ITEM(v) + end, v->size - end, v->type_field); free_svalues(ITEM(v), start, v->type_field); v->item+=start;
ada9dc2001-06-07Fredrik Hübinette (Hubbe)  v->malloced_size-=start;
b99ff82001-06-07Fredrik Hübinette (Hubbe)  v->size=end-start;
50a8782001-06-07Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG if(d_flag>1) check_array(v); #endif
b99ff82001-06-07Fredrik Hübinette (Hubbe)  return v; }
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
b99ff82001-06-07Fredrik Hübinette (Hubbe) #endif
5267b71995-08-09Fredrik Hübinette (Hubbe) 
fc76951996-02-17Fredrik Hübinette (Hubbe)  a=allocate_array_no_init(end-start,0);
cafd512004-09-16Henrik Grubbström (Grubba)  if (end-start) { a->type_field = v->type_field;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
cafd512004-09-16Henrik Grubbström (Grubba)  assign_svalues_no_free(ITEM(a), ITEM(v)+start, end-start, v->type_field); }
5267b71995-08-09Fredrik Hübinette (Hubbe)  return a; }
0e124e1998-02-19Fredrik Hübinette (Hubbe) /*
cafd512004-09-16Henrik Grubbström (Grubba)  * Slice a piece of an array (nondestructively)
0e124e1998-02-19Fredrik Hübinette (Hubbe)  * return an array consisting of v[start..end-1] */
6aa68b2000-08-15Henrik Grubbström (Grubba) PMOD_EXPORT struct array *friendly_slice_array(struct array *v, ptrdiff_t start, ptrdiff_t end)
0e124e1998-02-19Fredrik Hübinette (Hubbe) { struct array *a;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
0e124e1998-02-19Fredrik Hübinette (Hubbe)  if(start > end || end>v->size || start<0)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Illegal arguments to slice_array()\n");
9649491998-02-27Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v);
0e124e1998-02-19Fredrik Hübinette (Hubbe) #endif a=allocate_array_no_init(end-start,0); a->type_field = v->type_field; assign_svalues_no_free(ITEM(a), ITEM(v)+start, end-start, v->type_field); return a; }
5267b71995-08-09Fredrik Hübinette (Hubbe) /* * Copy an array */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *copy_array(struct array *v)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *a;
5b29302001-06-26Henrik Grubbström (Grubba)  if (!v->size) { /* Empty array. */ add_ref(&empty_array); return &empty_array; }
fc76951996-02-17Fredrik Hübinette (Hubbe)  a=allocate_array_no_init(v->size, 0);
5267b71995-08-09Fredrik Hübinette (Hubbe)  a->type_field = v->type_field;
fc76951996-02-17Fredrik Hübinette (Hubbe)  assign_svalues_no_free(ITEM(a), ITEM(v), v->size, v->type_field);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return a; } /* * Clean an array from destructed objects */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void check_array_for_destruct(struct array *v)
5267b71995-08-09Fredrik Hübinette (Hubbe) { int e; INT16 types; types = 0;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v); #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(v->type_field & (BIT_OBJECT | BIT_FUNCTION)) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0; e<v->size; e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if((ITEM(v)[e].type == T_OBJECT ||
bdb5091996-09-25Fredrik Hübinette (Hubbe)  (ITEM(v)[e].type == T_FUNCTION && ITEM(v)[e].subtype!=FUNCTION_BUILTIN)) &&
fc76951996-02-17Fredrik Hübinette (Hubbe)  (!ITEM(v)[e].u.object->prog))
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  free_svalue(ITEM(v)+e); ITEM(v)[e].type=T_INT; ITEM(v)[e].subtype=NUMBER_DESTRUCTED; ITEM(v)[e].u.integer=0; types |= BIT_INT; }else{ types |= 1<<ITEM(v)[e].type;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } } v->type_field = types; } } /* * This function finds the index of any destructed object in a set * it could be optimized to search out the object part with a binary * search lookup if the array is mixed */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT INT32 array_find_destructed_object(struct array *v)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e; TYPE_FIELD types;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v); #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(v->type_field & (BIT_OBJECT | BIT_FUNCTION)) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  types=0; for(e=0; e<v->size; e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if((ITEM(v)[e].type == T_OBJECT ||
bdb5091996-09-25Fredrik Hübinette (Hubbe)  (ITEM(v)[e].type == T_FUNCTION && ITEM(v)[e].subtype!=FUNCTION_BUILTIN)) &&
fc76951996-02-17Fredrik Hübinette (Hubbe)  (!ITEM(v)[e].u.object->prog)) return e; types |= 1<<ITEM(v)[e].type;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } v->type_field = types; }
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
06983f1996-09-22Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(v); #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  return -1; }
928ad61998-04-27Fredrik Hübinette (Hubbe) static int internal_cmpfun(INT32 *a, INT32 *b, cmpfun current_cmpfun, struct svalue *current_array_p)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
99423b2003-04-26Martin Stjernholm  int res = current_cmpfun(current_array_p + *a, current_array_p + *b); /* If the comparison considers the elements equal we compare their * positions. Thus we get a stable sort function. */ return res ? res : *a - *b;
5267b71995-08-09Fredrik Hübinette (Hubbe) }
928ad61998-04-27Fredrik Hübinette (Hubbe) #define CMP(X,Y) internal_cmpfun((X),(Y),current_cmpfun, current_array_p) #define TYPE INT32 #define ID get_order_fsort #define EXTRA_ARGS ,cmpfun current_cmpfun, struct svalue *current_array_p #define XARGS ,current_cmpfun, current_array_p #include "fsort_template.h" #undef CMP #undef TYPE #undef ID #undef EXTRA_ARGS #undef XARGS
99423b2003-04-26Martin Stjernholm /* The sort is stable. */
fc76951996-02-17Fredrik Hübinette (Hubbe) INT32 *get_order(struct array *v, cmpfun fun)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e, *current_order;
928ad61998-04-27Fredrik Hübinette (Hubbe)  ONERROR tmp;
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(!v->size) return 0;
35d5712004-09-17Martin Nilsson  /* Overlow safe: ((1<<29)-4)*4 < ULONG_MAX */
5267b71995-08-09Fredrik Hübinette (Hubbe)  current_order=(INT32 *)xalloc(v->size * sizeof(INT32));
928ad61998-04-27Fredrik Hübinette (Hubbe)  SET_ONERROR(tmp, free, current_order);
5267b71995-08-09Fredrik Hübinette (Hubbe)  for(e=0; e<v->size; e++) current_order[e]=e;
928ad61998-04-27Fredrik Hübinette (Hubbe)  get_order_fsort(current_order, current_order+v->size-1, fun, ITEM(v));
5267b71995-08-09Fredrik Hübinette (Hubbe) 
928ad61998-04-27Fredrik Hübinette (Hubbe)  UNSET_ONERROR(tmp);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return current_order; }
99423b2003-04-26Martin Stjernholm /* Returns 2 if no relation is established through lfun calls. */ static INLINE int lfun_cmp (const struct svalue *a, const struct svalue *b)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
99423b2003-04-26Martin Stjernholm  int fun;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
feae5d2001-01-03Henrik Grubbström (Grubba)  if (a->type == T_OBJECT && a->u.object->prog) {
99423b2003-04-26Martin Stjernholm  if ((fun = FIND_LFUN(a->u.object->prog,LFUN_LT)) != -1) {
feae5d2001-01-03Henrik Grubbström (Grubba)  push_svalue(b);
99423b2003-04-26Martin Stjernholm  apply_low (a->u.object, fun, 1);
9b150a2002-05-11Martin Nilsson  if(!UNSAFE_IS_ZERO(Pike_sp-1))
feae5d2001-01-03Henrik Grubbström (Grubba)  { pop_stack(); return -1; }
49398c2000-11-08Fredrik Hübinette (Hubbe)  pop_stack(); }
99423b2003-04-26Martin Stjernholm  if ((fun = FIND_LFUN(a->u.object->prog,LFUN_GT)) != -1) {
feae5d2001-01-03Henrik Grubbström (Grubba)  push_svalue(b);
99423b2003-04-26Martin Stjernholm  apply_low (a->u.object, fun, 1);
9b150a2002-05-11Martin Nilsson  if(!UNSAFE_IS_ZERO(Pike_sp-1))
feae5d2001-01-03Henrik Grubbström (Grubba)  { pop_stack(); return 1; }
49398c2000-11-08Fredrik Hübinette (Hubbe)  pop_stack();
feae5d2001-01-03Henrik Grubbström (Grubba)  }
99423b2003-04-26Martin Stjernholm  if ((fun = FIND_LFUN(a->u.object->prog,LFUN_EQ)) != -1) {
feae5d2001-01-03Henrik Grubbström (Grubba)  push_svalue(b);
99423b2003-04-26Martin Stjernholm  apply_low (a->u.object, fun, 1);
9b150a2002-05-11Martin Nilsson  if (!UNSAFE_IS_ZERO(Pike_sp-1)) {
feae5d2001-01-03Henrik Grubbström (Grubba)  pop_stack(); return 0; }
49398c2000-11-08Fredrik Hübinette (Hubbe)  pop_stack(); } }
99423b2003-04-26Martin Stjernholm 
feae5d2001-01-03Henrik Grubbström (Grubba)  if(b->type == T_OBJECT && b->u.object->prog) {
99423b2003-04-26Martin Stjernholm  if ((fun = FIND_LFUN(b->u.object->prog,LFUN_LT)) != -1) {
feae5d2001-01-03Henrik Grubbström (Grubba)  push_svalue(a);
99423b2003-04-26Martin Stjernholm  apply_low (b->u.object, fun, 1);
9b150a2002-05-11Martin Nilsson  if(!UNSAFE_IS_ZERO(Pike_sp-1))
feae5d2001-01-03Henrik Grubbström (Grubba)  { pop_stack(); return 1; }
49398c2000-11-08Fredrik Hübinette (Hubbe)  pop_stack(); }
99423b2003-04-26Martin Stjernholm  if ((fun = FIND_LFUN(b->u.object->prog,LFUN_GT)) != -1) {
feae5d2001-01-03Henrik Grubbström (Grubba)  push_svalue(a);
99423b2003-04-26Martin Stjernholm  apply_low (b->u.object, fun, 1);
9b150a2002-05-11Martin Nilsson  if(!UNSAFE_IS_ZERO(Pike_sp-1))
feae5d2001-01-03Henrik Grubbström (Grubba)  { pop_stack(); return -1; }
49398c2000-11-08Fredrik Hübinette (Hubbe)  pop_stack();
feae5d2001-01-03Henrik Grubbström (Grubba)  }
99423b2003-04-26Martin Stjernholm  if ((fun = FIND_LFUN(b->u.object->prog,LFUN_EQ)) != -1) {
feae5d2001-01-03Henrik Grubbström (Grubba)  push_svalue(a);
99423b2003-04-26Martin Stjernholm  apply_low (b->u.object, fun, 1);
9b150a2002-05-11Martin Nilsson  if (!UNSAFE_IS_ZERO(Pike_sp-1)) {
feae5d2001-01-03Henrik Grubbström (Grubba)  pop_stack(); return 0; }
49398c2000-11-08Fredrik Hübinette (Hubbe)  pop_stack(); }
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
49398c2000-11-08Fredrik Hübinette (Hubbe) 
99423b2003-04-26Martin Stjernholm  return 2; } INLINE int set_svalue_cmpfun(const struct svalue *a, const struct svalue *b) { int res, typediff = a->type - b->type; if (!typediff) { switch(a->type) { case T_FLOAT: if(a->u.float_number < b->u.float_number) return -1; if(a->u.float_number > b->u.float_number) return 1; return 0; case T_FUNCTION: if(a->u.refs < b->u.refs) return -1; if(a->u.refs > b->u.refs) return 1; return a->subtype - b->subtype; case T_INT: if(a->u.integer < b->u.integer) return -1; if(a->u.integer > b->u.integer) return 1; return 0; default: if(a->u.refs < b->u.refs) return -1; if(a->u.refs > b->u.refs) return 1; return 0; case T_OBJECT: if(a->u.object == b->u.object) return 0; break; } } res = lfun_cmp (a, b); if (res != 2) return res; if (typediff) return typediff; #ifdef PIKE_DEBUG if (a->type != T_OBJECT) Pike_fatal ("Expected objects when both types are the same.\n"); #endif if(a->u.object->prog == b->u.object->prog) { if (a->u.object->prog) { if(a->u.object < b->u.object) { return -1; } else { return 1; } } else { /* Destructed objects are considered equal. */ return 0; } } else { /* Attempt to group objects cloned from the same program */ if (a->u.object->prog < b->u.object->prog) { return -1; } else { return 1; } }
5267b71995-08-09Fredrik Hübinette (Hubbe) }
e4acf82001-04-30Martin Stjernholm static int switch_svalue_cmpfun(const struct svalue *a, const struct svalue *b)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
49398c2000-11-08Fredrik Hübinette (Hubbe)  if(a->type == b->type)
5c8e891995-10-29Fredrik Hübinette (Hubbe)  {
49398c2000-11-08Fredrik Hübinette (Hubbe)  switch(a->type) { case T_INT: if(a->u.integer < b->u.integer) return -1; if(a->u.integer > b->u.integer) return 1; return 0; case T_FLOAT: if(a->u.float_number < b->u.float_number) return -1; if(a->u.float_number > b->u.float_number) return 1; return 0; case T_STRING: return DO_NOT_WARN((int)my_quick_strcmp(a->u.string, b->u.string)); default: return set_svalue_cmpfun(a,b); } }else{ return a->type - b->type;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }
e4acf82001-04-30Martin Stjernholm static int alpha_svalue_cmpfun(const struct svalue *a, const struct svalue *b)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
99423b2003-04-26Martin Stjernholm  int res, typediff = a->type - b->type; if (!typediff)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
f4ec7c1997-09-07Fredrik Hübinette (Hubbe)  switch(a->type) { case T_INT: if(a->u.integer < b->u.integer) return -1; if(a->u.integer > b->u.integer) return 1; return 0; case T_FLOAT: if(a->u.float_number < b->u.float_number) return -1; if(a->u.float_number > b->u.float_number) return 1; return 0; case T_STRING:
46dd3b2003-01-14Martin Nilsson  return DO_NOT_WARN((int)my_quick_strcmp(a->u.string, b->u.string));
f4ec7c1997-09-07Fredrik Hübinette (Hubbe)  case T_ARRAY: if(a==b) return 0;
99423b2003-04-26Martin Stjernholm  if (!a->u.array->size) if (!b->u.array->size) /* There are several different empty arrays. */ return 0; else return -1; else if (!b->u.array->size) return 1;
f4ec7c1997-09-07Fredrik Hübinette (Hubbe)  return alpha_svalue_cmpfun(ITEM(a->u.array), ITEM(b->u.array));
99423b2003-04-26Martin Stjernholm  case T_MULTISET: if (a == b) return 0;
66bfd82003-08-26Martin Stjernholm  { ptrdiff_t a_pos = multiset_first (a->u.multiset); ptrdiff_t b_pos = multiset_first (b->u.multiset); struct svalue ind_a, ind_b; if (a_pos < 0) if (b_pos < 0) return 0; else return -1; else if (b_pos < 0) return 1; res = alpha_svalue_cmpfun ( use_multiset_index (a->u.multiset, a_pos, ind_a), use_multiset_index (b->u.multiset, b_pos, ind_b)); sub_msnode_ref (a->u.multiset); sub_msnode_ref (b->u.multiset); return res; }
99423b2003-04-26Martin Stjernholm 
f4ec7c1997-09-07Fredrik Hübinette (Hubbe)  case T_OBJECT:
99423b2003-04-26Martin Stjernholm  if(a->u.object == b->u.object) return 0;
f4ec7c1997-09-07Fredrik Hübinette (Hubbe)  break;
99423b2003-04-26Martin Stjernholm  default: #if 1 /* I think it would be better to leave the order undefined in * these cases since the addresses aren't observable * properties in pike. /mast */ if(a->u.refs < b->u.refs) return -1; if(a->u.refs > b->u.refs) return 1; #endif return 0;
f4ec7c1997-09-07Fredrik Hübinette (Hubbe)  }
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
99423b2003-04-26Martin Stjernholm  res = lfun_cmp (a, b); if (res != 2) return res; return typediff;
5267b71995-08-09Fredrik Hübinette (Hubbe) }
928ad61998-04-27Fredrik Hübinette (Hubbe) #define CMP(X,Y) alpha_svalue_cmpfun(X,Y) #define TYPE struct svalue #define ID low_sort_svalues #include "fsort_template.h" #undef CMP #undef TYPE #undef ID
99423b2003-04-26Martin Stjernholm /* This sort is unstable. */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void sort_array_destructively(struct array *v)
f5f7b11996-06-21Fredrik Hübinette (Hubbe) { if(!v->size) return;
928ad61998-04-27Fredrik Hübinette (Hubbe)  low_sort_svalues(ITEM(v), ITEM(v)+v->size-1);
f5f7b11996-06-21Fredrik Hübinette (Hubbe) }
99423b2003-04-26Martin Stjernholm #define SORT_BY_INDEX #define EXTRA_LOCALS int cmpfun_res; #define CMP(X,Y) ((cmpfun_res = alpha_svalue_cmpfun(svals + X, svals + Y)) ? \ cmpfun_res : pos[X] - pos[Y]) #define SWAP(X,Y) { \ {struct svalue tmp = svals[X]; svals[X] = svals[Y]; svals[Y] = tmp;} \ {int tmp = pos[X]; pos[X] = pos[Y]; pos[Y] = tmp;} \ } #define TYPE struct svalue #define ID low_stable_sort_svalues #define EXTRA_ARGS , struct svalue *svals, INT32 *pos, int size #define XARGS , svals, pos, size #include "fsort_template.h" #undef SORT_BY_INDEX #undef EXTRA_LOCALS #undef CMP #undef SWAP #undef TYPE #undef ID #undef EXTRA_ARGS #undef XARGS /* This sort is stable. The return value is like the one from * get_alpha_order. */ PMOD_EXPORT INT32 *stable_sort_array_destructively(struct array *v) { INT32 *current_order; ONERROR tmp; int e; if(!v->size) return NULL;
35d5712004-09-17Martin Nilsson  /* Overlow safe: ((1<<29)-4)*4 < ULONG_MAX */
99423b2003-04-26Martin Stjernholm  current_order=(INT32 *)xalloc(v->size * sizeof(INT32)); SET_ONERROR(tmp, free, current_order); for(e=0; e<v->size; e++) current_order[e]=e; low_stable_sort_svalues (0, v->size - 1, ITEM (v), current_order, v->size); UNSET_ONERROR (tmp); return current_order; }
f5f7b11996-06-21Fredrik Hübinette (Hubbe) 
5267b71995-08-09Fredrik Hübinette (Hubbe) /*
06983f1996-09-22Fredrik Hübinette (Hubbe)  * return an 'order' suitable for making mappings and multisets
5267b71995-08-09Fredrik Hübinette (Hubbe)  */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT INT32 *get_set_order(struct array *a)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  return get_order(a, set_svalue_cmpfun);
5267b71995-08-09Fredrik Hübinette (Hubbe) } /* * return an 'order' suitable for switches.
40e9192000-03-26Martin Stjernholm  * * Note: This is used by encode_value_canonic(). It must keep the * sorting rules for all the types that function allows in multiset * and mapping indices.
5267b71995-08-09Fredrik Hübinette (Hubbe)  */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT INT32 *get_switch_order(struct array *a)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  return get_order(a, switch_svalue_cmpfun);
5267b71995-08-09Fredrik Hübinette (Hubbe) }
71b72b1996-06-09Fredrik Hübinette (Hubbe) /* * return an 'order' suitable for sorting. */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT INT32 *get_alpha_order(struct array *a)
71b72b1996-06-09Fredrik Hübinette (Hubbe) { return get_order(a, alpha_svalue_cmpfun);
5267b71995-08-09Fredrik Hübinette (Hubbe) } static INT32 low_lookup(struct array *v, struct svalue *s,
fc76951996-02-17Fredrik Hübinette (Hubbe)  cmpfun fun)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 a,b,c; int q;
f9771c1995-11-15Fredrik Hübinette (Hubbe) 
fc76951996-02-17Fredrik Hübinette (Hubbe)  a=0; b=v->size; while(b > a) { c=(a+b)/2; q=fun(ITEM(v)+c,s); if(q < 0) a=c+1; else if(q > 0) b=c; else return c;
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(a<v->size && fun(ITEM(v)+a,s)<0) a++; return ~a;
5267b71995-08-09Fredrik Hübinette (Hubbe) } INT32 set_lookup(struct array *a, struct svalue *s) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(a); #endif
fc76951996-02-17Fredrik Hübinette (Hubbe) 
49398c2000-11-08Fredrik Hübinette (Hubbe)  /* objects may have `< `> operators, evil stuff! */
52b76f2003-11-09Martin Stjernholm  if(s->type != T_OBJECT && !(a->type_field & BIT_OBJECT))
49398c2000-11-08Fredrik Hübinette (Hubbe)  { /* face it, it's not there */ if( (((2 << s->type) -1) & a->type_field) == 0) return -1;
fc76951996-02-17Fredrik Hübinette (Hubbe)  /* face it, it's not there */
49398c2000-11-08Fredrik Hübinette (Hubbe)  if( ((BIT_MIXED << s->type) & BIT_MIXED & a->type_field) == 0) return ~a->size; }
fc76951996-02-17Fredrik Hübinette (Hubbe)  return low_lookup(a,s,set_svalue_cmpfun);
5267b71995-08-09Fredrik Hübinette (Hubbe) } INT32 switch_lookup(struct array *a, struct svalue *s) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  /* face it, it's not there */
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(a); #endif
49398c2000-11-08Fredrik Hübinette (Hubbe)  /* objects may have `< `> operators, evil stuff! */
52b76f2003-11-09Martin Stjernholm  if(s->type != T_OBJECT && !(a->type_field & BIT_OBJECT))
49398c2000-11-08Fredrik Hübinette (Hubbe)  { if( (((2 << s->type) -1) & a->type_field) == 0) return -1;
fc76951996-02-17Fredrik Hübinette (Hubbe) 
49398c2000-11-08Fredrik Hübinette (Hubbe)  /* face it, it's not there */ if( ((BIT_MIXED << s->type) & BIT_MIXED & a->type_field) == 0) return ~a->size; }
fc76951996-02-17Fredrik Hübinette (Hubbe)  return low_lookup(a,s,switch_svalue_cmpfun);
5267b71995-08-09Fredrik Hübinette (Hubbe) } /*
99423b2003-04-26Martin Stjernholm  * reorganize an array in the order specified by 'order'
5267b71995-08-09Fredrik Hübinette (Hubbe)  */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *order_array(struct array *v, INT32 *order)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  reorder((char *)ITEM(v),v->size,sizeof(struct svalue),order);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return v; } /* * copy and reorganize an array */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *reorder_and_copy_array(struct array *v, INT32 *order)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e; struct array *ret;
fc76951996-02-17Fredrik Hübinette (Hubbe)  ret=allocate_array_no_init(v->size, 0);
5267b71995-08-09Fredrik Hübinette (Hubbe)  ret->type_field = v->type_field;
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0;e<v->size;e++) assign_svalue_no_free(ITEM(ret)+e, ITEM(v)+order[e]);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return ret; } /* Maybe I should have a 'clean' flag for this computation */
f600d22004-05-14Martin Nilsson PMOD_EXPORT TYPE_FIELD array_fix_type_field(struct array *v)
5267b71995-08-09Fredrik Hübinette (Hubbe) { int e; TYPE_FIELD t;
cd83521998-02-02Fredrik Hübinette (Hubbe)  if(v->flags & ARRAY_LVALUE) {
2523ce2003-04-28Martin Stjernholm  v->type_field=BIT_MIXED|BIT_UNFINISHED;
f600d22004-05-14Martin Nilsson  return BIT_MIXED|BIT_UNFINISHED;
cd83521998-02-02Fredrik Hübinette (Hubbe)  }
1327602004-09-27Martin Nilsson  t=0;
2523ce2003-04-28Martin Stjernholm  for(e=0; e<v->size; e++) { check_svalue (ITEM(v) + e); t |= 1 << ITEM(v)[e].type; }
5267b71995-08-09Fredrik Hübinette (Hubbe) 
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
afa3651996-02-10Fredrik Hübinette (Hubbe)  if(t & ~(v->type_field))
6fdf361998-05-12Fredrik Hübinette (Hubbe)  { describe(v);
cd5bb82003-10-15Henrik Grubbström (Grubba)  Pike_fatal("Type field out of order (old:0x%04x new:0x%04x)!\n", v->type_field, t);
6fdf361998-05-12Fredrik Hübinette (Hubbe)  }
afa3651996-02-10Fredrik Hübinette (Hubbe) #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  v->type_field = t;
f600d22004-05-14Martin Nilsson  return t;
5267b71995-08-09Fredrik Hübinette (Hubbe) }
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe) /* Maybe I should have a 'clean' flag for this computation */ void array_check_type_field(struct array *v)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  int e; TYPE_FIELD t;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  t=0;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
cd83521998-02-02Fredrik Hübinette (Hubbe)  if(v->flags & ARRAY_LVALUE) return;
2523ce2003-04-28Martin Stjernholm #ifdef TRACE_UNFINISHED_TYPE_FIELDS if (v->type_field & BIT_UNFINISHED && !accept_unfinished_type_fields) { fputs ("Array got an unfinished type field.\n", stderr); describe_something (v, T_ARRAY, 2, 2, 0, NULL); } #endif
cd83521998-02-02Fredrik Hübinette (Hubbe)  for(e=0; e<v->size; e++) { if(ITEM(v)[e].type > MAX_TYPE)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Type is out of range.\n");
cd83521998-02-02Fredrik Hübinette (Hubbe)  t |= 1 << ITEM(v)[e].type; }
5267b71995-08-09Fredrik Hübinette (Hubbe) 
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(t & ~(v->type_field))
6fdf361998-05-12Fredrik Hübinette (Hubbe)  { describe(v);
5aad932002-08-15Marcus Comstedt  Pike_fatal("Type field out of order!\n");
6fdf361998-05-12Fredrik Hübinette (Hubbe)  }
5267b71995-08-09Fredrik Hübinette (Hubbe) }
d8946e2004-03-09Martin Nilsson #endif /* PIKE_DEBUG */
5267b71995-08-09Fredrik Hübinette (Hubbe)  /* * Get a pointer to the 'union anything' specified IF it is of the specified * type. The 'union anything' may be changed, but not the type. */
fa8c692000-11-30Fredrik Hübinette (Hubbe) PMOD_EXPORT union anything *low_array_get_item_ptr(struct array *a,
cafd512004-09-16Henrik Grubbström (Grubba)  INT32 ind, TYPE_T t)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(ITEM(a)[ind].type == t) return & (ITEM(a)[ind].u);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return 0; } /* * Get a pointer to the 'union anything' specified IF it is of the specified * type. The 'union anything' may be changed, but not the type. * The differance between this routine and the one above is that this takes * the index as an svalue. */
fa8c692000-11-30Fredrik Hübinette (Hubbe) PMOD_EXPORT union anything *array_get_item_ptr(struct array *a,
cafd512004-09-16Henrik Grubbström (Grubba)  struct svalue *ind, TYPE_T t)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
b99d882003-05-15Martin Stjernholm  INT_TYPE i, p;
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(ind->type != T_INT)
e3f1e82003-04-28Martin Stjernholm  Pike_error("Expected integer as array index, got %s.\n", get_name_of_type (ind->type));
b99d882003-05-15Martin Stjernholm  p = ind->u.integer; i = p < 0 ? p + a->size : p;
bc68dc1998-04-29Henrik Grubbström (Grubba)  if(i<0 || i>=a->size) { if (a->size) {
b99d882003-05-15Martin Stjernholm  Pike_error("Index %"PRINTPIKEINT"d is out of array range " "%"PRINTPTRDIFFT"d..%"PRINTPTRDIFFT"d.\n", p, -a->size, a->size-1);
bc68dc1998-04-29Henrik Grubbström (Grubba)  } else {
b99d882003-05-15Martin Stjernholm  Pike_error("Attempt to index the empty array with %"PRINTPIKEINT"d.\n", p);
bc68dc1998-04-29Henrik Grubbström (Grubba)  } }
5267b71995-08-09Fredrik Hübinette (Hubbe)  return low_array_get_item_ptr(a,i,t); } /* * organize an array of INT32 to specify how to zip two arrays together * to maintain the order. * the first item in this array is the size of the result * the rest is n >= 0 for a[ n ] * or n < 0 for b[ ~n ] */ INT32 * merge(struct array *a,struct array *b,INT32 opcode) {
49398c2000-11-08Fredrik Hübinette (Hubbe)  ONERROR r;
5267b71995-08-09Fredrik Hübinette (Hubbe)  INT32 ap,bp,i,*ret,*ptr; ap=bp=0;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) { array_check_type_field(a); array_check_type_field(b); } #endif
52b76f2003-11-09Martin Stjernholm  if(!(a->type_field & b->type_field) && !((a->type_field | b->type_field) & BIT_OBJECT))
5267b71995-08-09Fredrik Hübinette (Hubbe)  { /* do smart optimizations */ switch(opcode) {
71f3a21998-11-22Fredrik Hübinette (Hubbe)  case PIKE_ARRAY_OP_AND:
35d5712004-09-17Martin Nilsson  /* Trivially overflow safe */
5267b71995-08-09Fredrik Hübinette (Hubbe)  ret=(INT32 *)xalloc(sizeof(INT32)); *ret=0; return ret;
71f3a21998-11-22Fredrik Hübinette (Hubbe)  case PIKE_ARRAY_OP_SUB:
35d5712004-09-17Martin Nilsson  /* Overlow safe: ((1<<29)-4+1)*4 < ULONG_MAX */
5267b71995-08-09Fredrik Hübinette (Hubbe)  ptr=ret=(INT32 *)xalloc(sizeof(INT32)*(a->size+1)); *(ptr++)=a->size; for(i=0;i<a->size;i++) *(ptr++)=i; return ret; } }
a420a42004-09-16Henrik Grubbström (Grubba)  /* Note: The following is integer overflow safe as long as * sizeof(struct svalue) >= 2*sizeof(INT32). */
5267b71995-08-09Fredrik Hübinette (Hubbe)  ptr=ret=(INT32 *)xalloc(sizeof(INT32)*(a->size + b->size + 1));
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r, free,ret);
5267b71995-08-09Fredrik Hübinette (Hubbe)  ptr++;
fc76951996-02-17Fredrik Hübinette (Hubbe)  while(ap < a->size && bp < b->size)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  i=set_svalue_cmpfun(ITEM(a)+ap,ITEM(b)+bp); if(i < 0) i=opcode >> 8; else if(i > 0) i=opcode; else i=opcode >> 4;
71f3a21998-11-22Fredrik Hübinette (Hubbe)  if(i & PIKE_ARRAY_OP_A) *(ptr++)=ap; if(i & PIKE_ARRAY_OP_B) *(ptr++)=~bp; if(i & PIKE_ARRAY_OP_SKIP_A) ap++; if(i & PIKE_ARRAY_OP_SKIP_B) bp++;
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
71f3a21998-11-22Fredrik Hübinette (Hubbe)  if((opcode >> 8) & PIKE_ARRAY_OP_A) while(ap<a->size) *(ptr++)=ap++; if(opcode & PIKE_ARRAY_OP_B) while(bp<b->size) *(ptr++)=~(bp++);
5267b71995-08-09Fredrik Hübinette (Hubbe) 
e0755c2000-08-15Henrik Grubbström (Grubba)  *ret = DO_NOT_WARN((INT32)(ptr-ret-1));
5267b71995-08-09Fredrik Hübinette (Hubbe) 
49398c2000-11-08Fredrik Hübinette (Hubbe)  UNSET_ONERROR(r);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return ret; } /* * This routine merges two arrays in the order specified by 'zipper' * zipper normally produced by merge() above */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *array_zip(struct array *a, struct array *b,INT32 *zipper)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 size,e; struct array *ret; size=zipper[0]; zipper++;
99946c1996-02-17Fredrik Hübinette (Hubbe)  ret=allocate_array_no_init(size,0);
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0; e<size; e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(*zipper >= 0) assign_svalue_no_free(ITEM(ret)+e, ITEM(a)+*zipper); else assign_svalue_no_free(ITEM(ret)+e, ITEM(b)+~*zipper); zipper++;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } ret->type_field = a->type_field | b->type_field; return ret; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *add_arrays(struct svalue *argp, INT32 args)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e, size; struct array *v;
99946c1996-02-17Fredrik Hübinette (Hubbe)  for(size=e=0;e<args;e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  size+=argp[e].u.array->size;
3d934f2001-06-08Fredrik Hübinette (Hubbe) #if 1 { INT32 tmp=0; for(e=0;e<args;e++) { v=argp[e].u.array; if(v->refs == 1 && (v->item - v->real_item) >= tmp && v->malloced_size >= size - tmp) { debug_malloc_touch(v); argp[e].type=T_INT; for(tmp=e-1;tmp>=0;tmp--) { debug_malloc_touch(argp[tmp].u.array); v->type_field|=argp[tmp].u.array->type_field; assign_svalues_no_free(ITEM(v) - argp[tmp].u.array->size, ITEM(argp[tmp].u.array), argp[tmp].u.array->size, argp[tmp].u.array->type_field); v->item-=argp[tmp].u.array->size; v->malloced_size+=argp[tmp].u.array->size; } for(tmp=e+1;tmp<args;tmp++) { debug_malloc_touch(argp[tmp].u.array); v->type_field|=argp[tmp].u.array->type_field; assign_svalues_no_free(ITEM(v) + v->size, ITEM(argp[tmp].u.array), argp[tmp].u.array->size, argp[tmp].u.array->type_field); v->size+=argp[tmp].u.array->size; } #ifdef PIKE_DEBUG if(d_flag>1) check_array(v); #endif return v; } tmp+=v->size; } } #endif
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(args && argp[0].u.array->refs==1)
5267b71995-08-09Fredrik Hübinette (Hubbe)  { e=argp[0].u.array->size; v=resize_array(argp[0].u.array, size); argp[0].type=T_INT; size=e; e=1; }else{
fc76951996-02-17Fredrik Hübinette (Hubbe)  v=allocate_array_no_init(size, 0);
5267b71995-08-09Fredrik Hübinette (Hubbe)  v->type_field=0; e=size=0; }
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(; e<args; e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  v->type_field|=argp[e].u.array->type_field; assign_svalues_no_free(ITEM(v)+size, ITEM(argp[e].u.array), argp[e].u.array->size, argp[e].u.array->type_field); size+=argp[e].u.array->size;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } return v; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT int array_equal_p(struct array *a, struct array *b, struct processing *p)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct processing curr; INT32 e; if(a == b) return 1; if(a->size != b->size) return 0;
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(!a->size) return 1;
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) { array_check_type_field(a); array_check_type_field(b); } #endif
fc76951996-02-17Fredrik Hübinette (Hubbe)  /* This could be done much better if I KNEW that * the type fields didn't contain types that * really aren't in the array */
1b89ad1997-10-10Fredrik Hübinette (Hubbe)  if(!(a->type_field & b->type_field) && !( (a->type_field | b->type_field) & BIT_OBJECT )) return 0;
5267b71995-08-09Fredrik Hübinette (Hubbe)  curr.pointer_a = a; curr.pointer_b = b; curr.next = p; for( ;p ;p=p->next) if(p->pointer_a == (void *)a && p->pointer_b == (void *)b) return 1;
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0; e<a->size; e++) if(!low_is_equal(ITEM(a)+e, ITEM(b)+e, &curr)) return 0;
5267b71995-08-09Fredrik Hübinette (Hubbe)  return 1; }
fcc4232000-11-17Per Hedbor typedef int(*mycmpfun)(INT32*,INT32*,INT32*,INT32*); #define ID fsort_with_order #define CMP(X,Y) ((*cmpfun)((X),(Y),oa,ob)) #define EXTRA_ARGS ,mycmpfun cmpfun,INT32 *oa,INT32 *ob #define XARGS ,cmpfun,oa,ob #define TYPE INT32 #include "fsort_template.h" #undef ID #undef TYPE #undef XARGS #undef EXTRA_ARGS #undef CMP
5267b71995-08-09Fredrik Hübinette (Hubbe) /* * this is used to rearrange the zipper so that the order is retained * as it was before (check merge_array_with_order below) */
fcc4232000-11-17Per Hedbor static int array_merge_fun(INT32 *a, INT32 *b, INT32 *ordera, INT32 *orderb)
5267b71995-08-09Fredrik Hübinette (Hubbe) { if(*a<0) { if(*b<0) { return orderb[~*a] - orderb[~*b]; }else{
f4dbbb1999-10-03Fredrik Hübinette (Hubbe)  return 1;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }else{ if(*b<0) {
f4dbbb1999-10-03Fredrik Hübinette (Hubbe)  return -1;
5267b71995-08-09Fredrik Hübinette (Hubbe)  }else{ return ordera[*a] - ordera[*b]; } } } /* * merge two arrays and retain their order, this is done by arranging them * into ordered sets, merging them as sets and then rearranging the zipper * before zipping the sets together. */
feae5d2001-01-03Henrik Grubbström (Grubba) PMOD_EXPORT struct array *merge_array_with_order(struct array *a, struct array *b, INT32 op)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
fcc4232000-11-17Per Hedbor  ONERROR r1,r2,r3,r4,r5;
5267b71995-08-09Fredrik Hübinette (Hubbe)  INT32 *zipper; struct array *tmpa,*tmpb,*ret;
fcc4232000-11-17Per Hedbor  INT32 *ordera, *orderb;
5267b71995-08-09Fredrik Hübinette (Hubbe)  ordera=get_set_order(a);
829b672000-11-29Fredrik Hübinette (Hubbe)  SET_ONERROR(r4,free,ordera);
49398c2000-11-08Fredrik Hübinette (Hubbe) 
829b672000-11-29Fredrik Hübinette (Hubbe)  orderb=get_set_order(b);
fcc4232000-11-17Per Hedbor  SET_ONERROR(r5,free,orderb);
829b672000-11-29Fredrik Hübinette (Hubbe) 
5267b71995-08-09Fredrik Hübinette (Hubbe)  tmpa=reorder_and_copy_array(a,ordera);
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r1,do_free_array,tmpa);
5267b71995-08-09Fredrik Hübinette (Hubbe)  tmpb=reorder_and_copy_array(b,orderb);
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r2,do_free_array,tmpb);
5267b71995-08-09Fredrik Hübinette (Hubbe)  zipper=merge(tmpa,tmpb,op);
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r3,free,zipper);
5267b71995-08-09Fredrik Hübinette (Hubbe) 
a29a872004-09-27Martin Stjernholm #if 0 { int i; simple_describe_array (a); simple_describe_array (b); fprintf (stderr, "order a: "); for (i = 0; i < a->size; i++) fprintf (stderr, "%d ", ordera[i]); fprintf (stderr, "\n"); fprintf (stderr, "order b: "); for (i = 0; i < b->size; i++) fprintf (stderr, "%d ", orderb[i]); fprintf (stderr, "\n"); simple_describe_array (tmpa); simple_describe_array (tmpb); fprintf (stderr, "zipper: "); for (i = 1; i < *zipper + 1; i++) fprintf (stderr, "%d ", zipper[i]); fprintf (stderr, "\n"); } #endif
49398c2000-11-08Fredrik Hübinette (Hubbe) 
fcc4232000-11-17Per Hedbor  fsort_with_order( (zipper+1), zipper+*zipper, array_merge_fun, ordera, orderb );
49398c2000-11-08Fredrik Hübinette (Hubbe) 
5267b71995-08-09Fredrik Hübinette (Hubbe)  ret=array_zip(tmpa,tmpb,zipper);
49398c2000-11-08Fredrik Hübinette (Hubbe)  UNSET_ONERROR(r3); free((char *)zipper); UNSET_ONERROR(r2); free_array(tmpb); UNSET_ONERROR(r1); free_array(tmpa);
fcc4232000-11-17Per Hedbor  UNSET_ONERROR(r5); free((char *)orderb);
829b672000-11-29Fredrik Hübinette (Hubbe)  UNSET_ONERROR(r4); free((char *)ordera);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return ret; }
e051cf1999-03-04Fredrik Hübinette (Hubbe) #define CMP(X,Y) set_svalue_cmpfun(X,Y) #define TYPE struct svalue #define ID set_sort_svalues #include "fsort_template.h" #undef CMP #undef TYPE #undef ID
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *merge_array_without_order2(struct array *a, struct array *b,INT32 op)
e051cf1999-03-04Fredrik Hübinette (Hubbe) {
49398c2000-11-08Fredrik Hübinette (Hubbe)  ONERROR r1,r2,r3,r4,r5;
e051cf1999-03-04Fredrik Hübinette (Hubbe)  INT32 ap,bp,i; struct svalue *arra,*arrb; struct array *ret; #ifdef PIKE_DEBUG if(d_flag > 1) { array_check_type_field(a); array_check_type_field(b); } #endif
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r1,do_free_array,a); SET_ONERROR(r2,do_free_array,b);
e051cf1999-03-04Fredrik Hübinette (Hubbe)  if(a->refs==1 || !a->size) { arra=ITEM(a); }else{
35d5712004-09-17Martin Nilsson  /* Overlow safe: ((1<<29)-4)*8 < ULONG_MAX */
e051cf1999-03-04Fredrik Hübinette (Hubbe)  arra=(struct svalue *)xalloc(a->size*sizeof(struct svalue)); MEMCPY(arra,ITEM(a),a->size*sizeof(struct svalue));
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r3,free,arra);
e051cf1999-03-04Fredrik Hübinette (Hubbe)  } if(b->refs==1 || !b->size) { arrb=ITEM(b); }else{
35d5712004-09-17Martin Nilsson  /* Overlow safe: ((1<<29)-4)*8 < ULONG_MAX */
e051cf1999-03-04Fredrik Hübinette (Hubbe)  arrb=(struct svalue *)xalloc(b->size*sizeof(struct svalue)); MEMCPY(arrb,ITEM(b),b->size*sizeof(struct svalue));
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r4,free,arrb);
e051cf1999-03-04Fredrik Hübinette (Hubbe)  } set_sort_svalues(arra,arra+a->size-1); set_sort_svalues(arrb,arrb+b->size-1); ret=low_allocate_array(0,32);
49398c2000-11-08Fredrik Hübinette (Hubbe)  SET_ONERROR(r5,do_free_array,ret);
e051cf1999-03-04Fredrik Hübinette (Hubbe)  ap=bp=0; while(ap < a->size && bp < b->size) { i=set_svalue_cmpfun(arra+ap,arrb+bp); if(i < 0) i=op >> 8; else if(i > 0) i=op; else i=op >> 4; if(i & PIKE_ARRAY_OP_A) ret=append_array(ret,arra+ap); if(i & PIKE_ARRAY_OP_B) ret=append_array(ret,arrb+bp); if(i & PIKE_ARRAY_OP_SKIP_A) ap++; if(i & PIKE_ARRAY_OP_SKIP_B) bp++; } if((op >> 8) & PIKE_ARRAY_OP_A) while(ap<a->size) ret=append_array(ret,arra + ap++); if(op & PIKE_ARRAY_OP_B) while(bp<b->size) ret=append_array(ret,arrb + bp++);
49398c2000-11-08Fredrik Hübinette (Hubbe)  UNSET_ONERROR(r5);
e051cf1999-03-04Fredrik Hübinette (Hubbe) 
49398c2000-11-08Fredrik Hübinette (Hubbe)  if(arrb != ITEM(b)) { UNSET_ONERROR(r4); free((char *)arrb); } if(arra != ITEM(a)) { UNSET_ONERROR(r3); free((char *)arra); } UNSET_ONERROR(r2);
e051cf1999-03-04Fredrik Hübinette (Hubbe)  free_array(b);
49398c2000-11-08Fredrik Hübinette (Hubbe)  UNSET_ONERROR(r1); free_array(a);
e051cf1999-03-04Fredrik Hübinette (Hubbe)  return ret; }
5267b71995-08-09Fredrik Hübinette (Hubbe) /* merge two arrays without paying attention to the order * the elements has presently */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *merge_array_without_order(struct array *a,
5267b71995-08-09Fredrik Hübinette (Hubbe)  struct array *b, INT32 op) {
e051cf1999-03-04Fredrik Hübinette (Hubbe) #if 0
49398c2000-11-08Fredrik Hübinette (Hubbe)  /* FIXME: If this routine is ever reinstated, it has to be * fixed to use ONERROR */
5267b71995-08-09Fredrik Hübinette (Hubbe)  INT32 *zipper; struct array *tmpa,*tmpb,*ret; if(ordera) { free((char *)ordera); ordera=0; } if(orderb) { free((char *)orderb); orderb=0; } ordera=get_set_order(a); tmpa=reorder_and_copy_array(a,ordera); free((char *)ordera); ordera=0; orderb=get_set_order(b); tmpb=reorder_and_copy_array(b,orderb); free((char *)orderb); orderb=0; zipper=merge(tmpa,tmpb,op); ret=array_zip(tmpa,tmpb,zipper); free_array(tmpa); free_array(tmpb); free((char *)zipper); return ret;
e051cf1999-03-04Fredrik Hübinette (Hubbe)  #else add_ref(a); add_ref(b); return merge_array_without_order2(a,b,op); #endif
5267b71995-08-09Fredrik Hübinette (Hubbe) } /* subtract an array from another */
49398c2000-11-08Fredrik Hübinette (Hubbe) 
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *subtract_arrays(struct array *a, struct array *b)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) { array_check_type_field(b); } #endif
c68c5a1996-12-01Fredrik Hübinette (Hubbe)  check_array_for_destruct(a);
e3c6e11996-05-16Fredrik Hübinette (Hubbe) 
52b76f2003-11-09Martin Stjernholm  if((a->type_field & b->type_field) || ((a->type_field | b->type_field) & BIT_OBJECT))
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
71f3a21998-11-22Fredrik Hübinette (Hubbe)  return merge_array_with_order(a, b, PIKE_ARRAY_OP_SUB);
5267b71995-08-09Fredrik Hübinette (Hubbe)  }else{ if(a->refs == 1) {
aa366d1998-04-16Fredrik Hübinette (Hubbe)  add_ref(a);
5267b71995-08-09Fredrik Hübinette (Hubbe)  return a; } return slice_array(a,0,a->size); } } /* and two arrays */
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *and_arrays(struct array *a, struct array *b)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) { array_check_type_field(b); } #endif
c68c5a1996-12-01Fredrik Hübinette (Hubbe)  check_array_for_destruct(a);
e3c6e11996-05-16Fredrik Hübinette (Hubbe) 
52b76f2003-11-09Martin Stjernholm  if((a->type_field & b->type_field) || ((a->type_field | b->type_field) & BIT_OBJECT))
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
f4dbbb1999-10-03Fredrik Hübinette (Hubbe)  return merge_array_with_order(a, b, PIKE_ARRAY_OP_AND_LEFT);
5267b71995-08-09Fredrik Hübinette (Hubbe)  }else{
99946c1996-02-17Fredrik Hübinette (Hubbe)  return allocate_array_no_init(0,0);
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }
84387d2001-09-24Fredrik Hübinette (Hubbe) int array_is_constant(struct array *a, struct processing *p)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
84387d2001-09-24Fredrik Hübinette (Hubbe)  return svalues_are_constant(ITEM(a), a->size,
f600d22004-05-14Martin Nilsson  array_fix_type_field(a),
84387d2001-09-24Fredrik Hübinette (Hubbe)  p);
5267b71995-08-09Fredrik Hübinette (Hubbe) } node *make_node_from_array(struct array *a) { struct svalue s; INT32 e;
f9abcf1999-09-16Fredrik Hübinette (Hubbe)  if(!a->size) return mkefuncallnode("aggregate",0);
f600d22004-05-14Martin Nilsson  if(array_fix_type_field(a) == BIT_INT)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
4ce0442001-09-10Fredrik Hübinette (Hubbe)  debug_malloc_touch(a);
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0; e<a->size; e++) if(ITEM(a)[e].u.integer != 0)
5267b71995-08-09Fredrik Hübinette (Hubbe)  break;
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(e == a->size) {
3c0c281998-01-26Fredrik Hübinette (Hubbe)  return mkefuncallnode("allocate",mkintnode(a->size));
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }
4ce0442001-09-10Fredrik Hübinette (Hubbe)  debug_malloc_touch(a);
f9abcf1999-09-16Fredrik Hübinette (Hubbe)  if(!is_more_than_one_bit(a->type_field)) { e=0;
4ce0442001-09-10Fredrik Hübinette (Hubbe)  debug_malloc_touch(a);
f9abcf1999-09-16Fredrik Hübinette (Hubbe)  switch(a->type_field) { case BIT_INT: for(e=1; e<a->size; e++) if(ITEM(a)[e].u.integer != ITEM(a)[0].u.integer) break; if(e==a->size && ITEM(a)[0].u.integer==0) return mkefuncallnode("allocate",mkintnode(a->size)); break; case BIT_STRING: case BIT_PROGRAM: case BIT_OBJECT: for(e=1; e<a->size; e++) if(ITEM(a)[e].u.refs != ITEM(a)[0].u.refs) break; break; case BIT_FUNCTION: for(e=1; e<a->size; e++) if(ITEM(a)[e].u.object != ITEM(a)[0].u.object || ITEM(a)[e].subtype != ITEM(a)[0].subtype) break; break; }
4ce0442001-09-10Fredrik Hübinette (Hubbe)  debug_malloc_touch(a);
f9abcf1999-09-16Fredrik Hübinette (Hubbe)  if(e == a->size) return mkefuncallnode("allocate",mknode(F_ARG_LIST, mkintnode(a->size), mksvaluenode(ITEM(a)))); }
84387d2001-09-24Fredrik Hübinette (Hubbe)  if(array_is_constant(a,0))
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
4ce0442001-09-10Fredrik Hübinette (Hubbe)  debug_malloc_touch(a);
5267b71995-08-09Fredrik Hübinette (Hubbe)  s.type=T_ARRAY; s.subtype=0; s.u.array=a; return mkconstantsvaluenode(&s); }else{ node *ret=0;
4ce0442001-09-10Fredrik Hübinette (Hubbe)  debug_malloc_touch(a);
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0; e<a->size; e++) ret=mknode(F_ARG_LIST,ret,mksvaluenode(ITEM(a)+e));
5267b71995-08-09Fredrik Hübinette (Hubbe)  return mkefuncallnode("aggregate",ret); } }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void push_array_items(struct array *a)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
f5f7b11996-06-21Fredrik Hübinette (Hubbe)  check_stack(a->size);
5267b71995-08-09Fredrik Hübinette (Hubbe)  check_array_for_destruct(a);
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(a->refs == 1)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc26f62000-07-06Fredrik Hübinette (Hubbe)  MEMCPY(Pike_sp,ITEM(a),sizeof(struct svalue)*a->size); Pike_sp += a->size;
fc76951996-02-17Fredrik Hübinette (Hubbe)  a->size=0; free_array(a);
5267b71995-08-09Fredrik Hübinette (Hubbe)  }else{
fc26f62000-07-06Fredrik Hübinette (Hubbe)  assign_svalues_no_free(Pike_sp, ITEM(a), a->size, a->type_field); Pike_sp += a->size;
f5f7b11996-06-21Fredrik Hübinette (Hubbe)  free_array(a);
5267b71995-08-09Fredrik Hübinette (Hubbe)  } } void describe_array_low(struct array *a, struct processing *p, int indent) { INT32 e,d; indent += 2;
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0; e<a->size; e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(e) my_strcat(",\n"); for(d=0; d<indent; d++) my_putchar(' '); describe_svalue(ITEM(a)+e,indent,p);
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }
d8946e2004-03-09Martin Nilsson  #ifdef PIKE_DEBUG void simple_describe_array(struct array *a)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
9fa0ee2003-11-09Martin Stjernholm  dynamic_buffer save_buf;
5267b71995-08-09Fredrik Hübinette (Hubbe)  char *s;
86f1862004-03-16Martin Stjernholm  if (a->size) { init_buf(&save_buf); describe_array_low(a,0,0); s=simple_free_buf(&save_buf); fprintf(stderr,"({\n%s\n})\n",s); free(s); } else fputs ("({ })\n", stderr);
5267b71995-08-09Fredrik Hübinette (Hubbe) } void describe_index(struct array *a, int e, struct processing *p, int indent) {
fc76951996-02-17Fredrik Hübinette (Hubbe)  describe_svalue(ITEM(a)+e, indent, p);
5267b71995-08-09Fredrik Hübinette (Hubbe) }
d8946e2004-03-09Martin Nilsson #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  void describe_array(struct array *a,struct processing *p,int indent) { struct processing doing; INT32 e;
fc76951996-02-17Fredrik Hübinette (Hubbe)  char buf[60];
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(! a->size) { my_strcat("({ })"); return; } doing.next=p; doing.pointer_a=(void *)a; for(e=0;p;e++,p=p->next) { if(p->pointer_a == (void *)a) {
f90e541995-08-17Fredrik Hübinette (Hubbe)  sprintf(buf,"@%ld",(long)e);
5267b71995-08-09Fredrik Hübinette (Hubbe)  my_strcat(buf); return; } }
3377532000-10-19Henrik Grubbström (Grubba)  if (a->size == 1) { sprintf(buf, "({ /* 1 element */\n"); } else { sprintf(buf, "({ /* %ld elements */\n", (long)a->size); }
5267b71995-08-09Fredrik Hübinette (Hubbe)  my_strcat(buf); describe_array_low(a,&doing,indent); my_putchar('\n'); for(e=2; e<indent; e++) my_putchar(' '); my_strcat("})"); }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *aggregate_array(INT32 args)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *a;
fc76951996-02-17Fredrik Hübinette (Hubbe)  a=allocate_array_no_init(args,0);
fb567a2003-04-27Martin Stjernholm  if (args) { MEMCPY((char *)ITEM(a),(char *)(Pike_sp-args),args*sizeof(struct svalue)); array_fix_type_field (a); Pike_sp-=args; DO_IF_DMALLOC(while(args--) dmalloc_touch_svalue(Pike_sp + args)); }
5267b71995-08-09Fredrik Hübinette (Hubbe)  return a; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *append_array(struct array *a, struct svalue *s)
9649491998-02-27Fredrik Hübinette (Hubbe) { a=resize_array(a,a->size+1); array_set_index(a, a->size-1, s); return a; }
0d14602000-10-09Fredrik Hübinette (Hubbe) typedef char *(* explode_searchfunc)(void *,void *,size_t);
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *explode(struct pike_string *str,
06983f1996-09-22Fredrik Hübinette (Hubbe)  struct pike_string *del)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
f5f7b11996-06-21Fredrik Hübinette (Hubbe)  INT32 e;
5267b71995-08-09Fredrik Hübinette (Hubbe)  struct array *ret; char *s, *end, *tmp;
6fdf361998-05-12Fredrik Hübinette (Hubbe) #if 0
5fb4a51998-04-23Fredrik Hübinette (Hubbe)  if(!str->len) { return allocate_array_no_init(0,0); }
6fdf361998-05-12Fredrik Hübinette (Hubbe) #endif
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(!del->len) {
99946c1996-02-17Fredrik Hübinette (Hubbe)  ret=allocate_array_no_init(str->len,0);
5267b71995-08-09Fredrik Hübinette (Hubbe)  for(e=0;e<str->len;e++)
99946c1996-02-17Fredrik Hübinette (Hubbe)  { ITEM(ret)[e].type=T_STRING;
3e625c1998-10-11Fredrik Hübinette (Hubbe)  ITEM(ret)[e].u.string=string_slice(str,e,1);
99946c1996-02-17Fredrik Hübinette (Hubbe)  }
5267b71995-08-09Fredrik Hübinette (Hubbe)  }else{
0d14602000-10-09Fredrik Hübinette (Hubbe)  SearchMojt mojt;
41b0b22000-10-20Henrik Grubbström (Grubba)  explode_searchfunc f = (explode_searchfunc)0;
f5f7b11996-06-21Fredrik Hübinette (Hubbe) 
5267b71995-08-09Fredrik Hübinette (Hubbe)  s=str->str;
3e625c1998-10-11Fredrik Hübinette (Hubbe)  end=s+(str->len << str->size_shift);
0182921997-10-06Fredrik Hübinette (Hubbe)  ret=allocate_array(10); ret->size=0;
0d14602000-10-09Fredrik Hübinette (Hubbe)  mojt=compile_memsearcher(MKPCHARP_STR(del),
3e625c1998-10-11Fredrik Hübinette (Hubbe)  del->len, str->len,
0d14602000-10-09Fredrik Hübinette (Hubbe)  del); switch(str->size_shift) { case 0: f=(explode_searchfunc)mojt.vtab->func0; break; case 1: f=(explode_searchfunc)mojt.vtab->func1; break; case 2: f=(explode_searchfunc)mojt.vtab->func2; break; #ifdef PIKE_DEBUG
5aad932002-08-15Marcus Comstedt  default: Pike_fatal("Illegal shift.\n");
0d14602000-10-09Fredrik Hübinette (Hubbe) #endif } while((tmp = f(mojt.data, s, (end-s)>> str->size_shift)))
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
0182921997-10-06Fredrik Hübinette (Hubbe)  if(ret->size == ret->malloced_size) { e=ret->size;
2523ce2003-04-28Martin Stjernholm  ACCEPT_UNFINISHED_TYPE_FIELDS { ret=resize_array(ret, e * 2); } END_ACCEPT_UNFINISHED_TYPE_FIELDS;
e1741a1997-10-06Fredrik Hübinette (Hubbe)  ret->size=e;
0182921997-10-06Fredrik Hübinette (Hubbe)  }
3e625c1998-10-11Fredrik Hübinette (Hubbe)  ITEM(ret)[ret->size].u.string=string_slice(str, (s-str->str)>>str->size_shift, (tmp-s)>>str->size_shift);
0182921997-10-06Fredrik Hübinette (Hubbe)  ITEM(ret)[ret->size].type=T_STRING; ret->size++;
3e625c1998-10-11Fredrik Hübinette (Hubbe)  s=tmp+(del->len << str->size_shift);
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
0182921997-10-06Fredrik Hübinette (Hubbe)  if(ret->size == ret->malloced_size)
e1741a1997-10-06Fredrik Hübinette (Hubbe)  { e=ret->size;
2523ce2003-04-28Martin Stjernholm  ACCEPT_UNFINISHED_TYPE_FIELDS { ret=resize_array(ret, e * 2); } END_ACCEPT_UNFINISHED_TYPE_FIELDS;
e1741a1997-10-06Fredrik Hübinette (Hubbe)  ret->size=e; }
0182921997-10-06Fredrik Hübinette (Hubbe) 
3e625c1998-10-11Fredrik Hübinette (Hubbe)  ITEM(ret)[ret->size].u.string=string_slice(str, (s-str->str)>>str->size_shift, (end-s)>>str->size_shift);
0182921997-10-06Fredrik Hübinette (Hubbe)  ITEM(ret)[ret->size].type=T_STRING; ret->size++;
0d14602000-10-09Fredrik Hübinette (Hubbe)  mojt.vtab->freeme(mojt.data);
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
f5f7b11996-06-21Fredrik Hübinette (Hubbe)  ret->type_field=BIT_STRING;
5267b71995-08-09Fredrik Hübinette (Hubbe)  return ret; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct pike_string *implode(struct array *a,struct pike_string *del)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 len,e, inited;
0bc4cf1998-10-13Fredrik Hübinette (Hubbe)  PCHARP r;
06983f1996-09-22Fredrik Hübinette (Hubbe)  struct pike_string *ret,*tmp;
3e625c1998-10-11Fredrik Hübinette (Hubbe)  int max_shift=0;
5267b71995-08-09Fredrik Hübinette (Hubbe)  len=0;
fc76951996-02-17Fredrik Hübinette (Hubbe)  for(e=0;e<a->size;e++)
3e625c1998-10-11Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(ITEM(a)[e].type==T_STRING)
3e625c1998-10-11Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  len+=ITEM(a)[e].u.string->len + del->len;
3e625c1998-10-11Fredrik Hübinette (Hubbe)  if(ITEM(a)[e].u.string->size_shift > max_shift) max_shift=ITEM(a)[e].u.string->size_shift; } }
0bc4cf1998-10-13Fredrik Hübinette (Hubbe)  if(del->size_shift > max_shift) max_shift=del->size_shift;
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(len) len-=del->len;
3e625c1998-10-11Fredrik Hübinette (Hubbe)  ret=begin_wide_shared_string(len,max_shift);
0bc4cf1998-10-13Fredrik Hübinette (Hubbe)  r=MKPCHARP_STR(ret);
fc76951996-02-17Fredrik Hübinette (Hubbe)  inited=0; for(e=0;e<a->size;e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(ITEM(a)[e].type==T_STRING)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
fc76951996-02-17Fredrik Hübinette (Hubbe)  if(inited)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
0bc4cf1998-10-13Fredrik Hübinette (Hubbe)  pike_string_cpy(r,del); INC_PCHARP(r,del->len);
5267b71995-08-09Fredrik Hübinette (Hubbe)  }
fc76951996-02-17Fredrik Hübinette (Hubbe)  inited=1; tmp=ITEM(a)[e].u.string;
0bc4cf1998-10-13Fredrik Hübinette (Hubbe)  pike_string_cpy(r,tmp); INC_PCHARP(r,tmp->len);
fc76951996-02-17Fredrik Hübinette (Hubbe)  len++;
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }
0bc4cf1998-10-13Fredrik Hübinette (Hubbe)  return low_end_shared_string(ret);
5267b71995-08-09Fredrik Hübinette (Hubbe) }
9cc28d2004-05-28Henrik Grubbström (Grubba) PMOD_EXPORT struct array *copy_array_recursively(struct array *a, struct mapping *m)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *ret;
9cc28d2004-05-28Henrik Grubbström (Grubba)  struct svalue aa, bb;
5267b71995-08-09Fredrik Hübinette (Hubbe) 
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
9649491998-02-27Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(a); #endif
a420a42004-09-16Henrik Grubbström (Grubba)  if (!a->size) { add_ref(&empty_array);
4821f12004-09-16Henrik Grubbström (Grubba)  return array_set_flags(&empty_array, a->flags & ~ARRAY_LVALUE);
a420a42004-09-16Henrik Grubbström (Grubba)  }
fc76951996-02-17Fredrik Hübinette (Hubbe)  ret=allocate_array_no_init(a->size,0);
9cc28d2004-05-28Henrik Grubbström (Grubba)  aa.type = T_ARRAY; aa.subtype = 0; aa.u.array = a; bb.type = T_ARRAY; bb.subtype = 0; bb.u.array = ret;
aa05572004-08-20Martin Nilsson  low_mapping_insert(m, &aa, &bb, 1);
fc76951996-02-17Fredrik Hübinette (Hubbe) 
4ca43e2000-09-17Henrik Grubbström (Grubba)  ret->flags = a->flags & ~ARRAY_LVALUE;
9cc28d2004-05-28Henrik Grubbström (Grubba)  copy_svalues_recursively_no_free(ITEM(ret),ITEM(a),a->size,m);
9649491998-02-27Fredrik Hübinette (Hubbe)  ret->type_field=a->type_field;
5267b71995-08-09Fredrik Hübinette (Hubbe)  return ret; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void apply_array(struct array *a, INT32 args)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e;
b0b19a2001-02-03Martin Stjernholm  struct svalue *argp = Pike_sp-args; TYPE_FIELD new_types = 0;
7445802002-05-28Henrik Grubbström (Grubba)  struct array *cycl; DECLARE_CYCLIC();
f5f7b11996-06-21Fredrik Hübinette (Hubbe) 
1a3e1b1999-04-13Fredrik Hübinette (Hubbe)  check_array_for_destruct(a);
b0b19a2001-02-03Martin Stjernholm  check_stack(120 + args + 1);
7445802002-05-28Henrik Grubbström (Grubba)  /* FIXME: Ought to use a better key on the arguments below. */ if (!(cycl = (struct array *)BEGIN_CYCLIC(a, args))) { BEGIN_AGGREGATE_ARRAY(a->size) { SET_CYCLIC_RET(Pike_sp[-1].u.array); for (e=0;e<a->size;e++) { assign_svalues_no_free(Pike_sp, argp, args, BIT_MIXED); Pike_sp+=args;
5272b22004-09-22Martin Stjernholm  /* FIXME: Don't throw apply errors from apply_svalue here. */
7445802002-05-28Henrik Grubbström (Grubba)  apply_svalue(ITEM(a)+e,args); new_types |= 1 << Pike_sp[-1].type; DO_AGGREGATE_ARRAY(120); }
cd9c042002-05-28Henrik Grubbström (Grubba)  } END_AGGREGATE_ARRAY;
b0b19a2001-02-03Martin Stjernholm 
7445802002-05-28Henrik Grubbström (Grubba)  Pike_sp[-1].u.array->type_field = new_types;
b0b19a2001-02-03Martin Stjernholm #ifdef PIKE_DEBUG
7445802002-05-28Henrik Grubbström (Grubba)  array_check_type_field(Pike_sp[-1].u.array);
b0b19a2001-02-03Martin Stjernholm #endif
7445802002-05-28Henrik Grubbström (Grubba)  } else { ref_push_array(cycl); } END_CYCLIC();
b0b19a2001-02-03Martin Stjernholm  stack_pop_n_elems_keep_top(args);
5267b71995-08-09Fredrik Hübinette (Hubbe) }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *reverse_array(struct array *a)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e; struct array *ret;
fc76951996-02-17Fredrik Hübinette (Hubbe) 
cc51e92000-12-08Fredrik Noring  if(a->refs == 1) /* Reverse in-place. */ { struct svalue *tmp0, *tmp1, swap; tmp0 = ITEM(a); tmp1 = ITEM(a) + a->size; for(e = a->size>>1; 0 < e; e--) { swap = *tmp0; *(tmp0++) = *(--tmp1); *tmp1 = swap; }
a420a42004-09-16Henrik Grubbström (Grubba)  /* FIXME: What about the flags field? */
cc51e92000-12-08Fredrik Noring  add_ref(a); return a; }
fc76951996-02-17Fredrik Hübinette (Hubbe)  ret=allocate_array_no_init(a->size,0); for(e=0;e<a->size;e++) assign_svalue_no_free(ITEM(ret)+e,ITEM(a)+a->size+~e);
2523ce2003-04-28Martin Stjernholm  ret->type_field = a->type_field;
5267b71995-08-09Fredrik Hübinette (Hubbe)  return ret; }
d3a4e22001-06-30Fredrik Hübinette (Hubbe) void array_replace(struct array *a,
5267b71995-08-09Fredrik Hübinette (Hubbe)  struct svalue *from, struct svalue *to) {
84f8952000-08-16Henrik Grubbström (Grubba)  ptrdiff_t i = -1;
5267b71995-08-09Fredrik Hübinette (Hubbe)  while((i=array_search(a,from,i+1)) >= 0) array_set_index(a,i,to); }
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT void check_array(struct array *a)
5267b71995-08-09Fredrik Hübinette (Hubbe) { INT32 e;
cd451f2004-03-15Martin Stjernholm  if(a->next && a->next->prev != a) Pike_fatal("array->next->prev != array.\n"); if(a->prev) { if(a->prev->next != a) Pike_fatal("array->prev->next != array.\n"); }else{ if(first_array != a) Pike_fatal("array->prev == 0 but first_array != array.\n"); }
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(a->size > a->malloced_size)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Array is larger than malloced block!\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) 
3d934f2001-06-08Fredrik Hübinette (Hubbe)  if(a->size < 0)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Array size is negative!\n");
3d934f2001-06-08Fredrik Hübinette (Hubbe)  if(a->malloced_size < 0)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Array malloced size is negative!\n");
3d934f2001-06-08Fredrik Hübinette (Hubbe)  if(a->item < a->real_item) { #ifdef DEBUG_MALLOC describe(a); #endif
5aad932002-08-15Marcus Comstedt  Pike_fatal("Array item pointer is too small!\n");
3d934f2001-06-08Fredrik Hübinette (Hubbe)  }
5267b71995-08-09Fredrik Hübinette (Hubbe)  if(a->refs <=0 )
5aad932002-08-15Marcus Comstedt  Pike_fatal("Array has zero refs.\n");
5267b71995-08-09Fredrik Hübinette (Hubbe) 
3d934f2001-06-08Fredrik Hübinette (Hubbe) 
624d091996-02-24Fredrik Hübinette (Hubbe)  for(e=0;e<a->size;e++)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
8123841998-05-23Fredrik Hübinette (Hubbe)  if(! ( (1 << ITEM(a)[e].type) & (a->type_field) ) && ITEM(a)[e].type<16)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Type field lies.\n");
fc76951996-02-17Fredrik Hübinette (Hubbe) 
624d091996-02-24Fredrik Hübinette (Hubbe)  check_svalue(ITEM(a)+e);
5267b71995-08-09Fredrik Hübinette (Hubbe)  } }
be478c1997-08-30Henrik Grubbström (Grubba) void check_all_arrays(void)
5267b71995-08-09Fredrik Hübinette (Hubbe) { struct array *a;
cd451f2004-03-15Martin Stjernholm  for (a = first_array; a; a = a->next)
624d091996-02-24Fredrik Hübinette (Hubbe)  check_array(a);
fc76951996-02-17Fredrik Hübinette (Hubbe) }
71f3a21998-11-22Fredrik Hübinette (Hubbe) #endif /* PIKE_DEBUG */
fc76951996-02-17Fredrik Hübinette (Hubbe) 
20513c2000-04-12Fredrik Hübinette (Hubbe) static void gc_check_array(struct array *a) {
e1a35e2003-09-08Martin Stjernholm  GC_ENTER (a, T_ARRAY) { if(a->type_field & BIT_COMPLEX) { if (a->flags & ARRAY_WEAK_FLAG) { gc_check_weak_svalues(ITEM(a), a->size); gc_checked_as_weak(a); } else gc_check_svalues(ITEM(a), a->size);
595dac2000-09-30Martin Stjernholm  }
e1a35e2003-09-08Martin Stjernholm  } GC_LEAVE;
20513c2000-04-12Fredrik Hübinette (Hubbe) }
e2d9e62000-06-10Martin Stjernholm void gc_mark_array_as_referenced(struct array *a)
7bf6232000-04-23Martin Stjernholm {
e1a35e2003-09-08Martin Stjernholm  if(gc_mark(a)) GC_ENTER (a, T_ARRAY) { if (a == gc_mark_array_pos) gc_mark_array_pos = a->next; if (a == gc_internal_array) gc_internal_array = a->next; else {
cd451f2004-03-15Martin Stjernholm  DOUBLEUNLINK (first_array, a); DOUBLELINK (first_array, a); /* Linked in first. */
e1a35e2003-09-08Martin Stjernholm  }
e2d9e62000-06-10Martin Stjernholm 
e1a35e2003-09-08Martin Stjernholm  if (a->type_field & BIT_COMPLEX) { if (a->flags & ARRAY_WEAK_FLAG) { TYPE_FIELD t;
5272b22004-09-22Martin Stjernholm  if (!(t = gc_mark_weak_svalues(a->item, a->size))) t = a->type_field;
595dac2000-09-30Martin Stjernholm 
e1a35e2003-09-08Martin Stjernholm  /* Ugly, but we are not allowed to change type_field * at the same time as the array is being built... * Actually we just need better primitives for building arrays. */
c4ccb82000-07-04Martin Stjernholm  if(!(a->type_field & BIT_UNFINISHED) || a->refs!=1) a->type_field = t; else
e1a35e2003-09-08Martin Stjernholm  a->type_field |= t; /* There might be an additional BIT_INT. */ gc_assert_checked_as_weak(a); } else { TYPE_FIELD t; if ((t = gc_mark_svalues(ITEM(a), a->size))) { if(!(a->type_field & BIT_UNFINISHED) || a->refs!=1) a->type_field = t; else a->type_field |= t; } gc_assert_checked_as_nonweak(a);
c4ccb82000-07-04Martin Stjernholm  } }
e1a35e2003-09-08Martin Stjernholm  } GC_LEAVE;
e2d9e62000-06-10Martin Stjernholm }
45d87e2000-07-18Martin Stjernholm void real_gc_cycle_check_array(struct array *a, int weak)
e2d9e62000-06-10Martin Stjernholm {
e1a35e2003-09-08Martin Stjernholm  GC_CYCLE_ENTER(a, T_ARRAY, weak) {
e2d9e62000-06-10Martin Stjernholm #ifdef PIKE_DEBUG
57cfbd2004-03-15Martin Stjernholm  if (!gc_destruct_everything &&
5272b22004-09-22Martin Stjernholm  (a == &empty_array || a == &weak_empty_array))
5aad932002-08-15Marcus Comstedt  Pike_fatal("Trying to gc cycle check some *_empty_array.\n");
e2d9e62000-06-10Martin Stjernholm #endif
45d87e2000-07-18Martin Stjernholm  if (a->type_field & BIT_COMPLEX) {
e601a42001-10-15Martin Stjernholm  TYPE_FIELD t = a->flags & ARRAY_WEAK_FLAG ? gc_cycle_check_weak_svalues(ITEM(a), a->size) : gc_cycle_check_svalues(ITEM(a), a->size); if (t) { /* In the weak case we should only get here if references to * destructed objects are removed. */ if(!(a->type_field & BIT_UNFINISHED) || a->refs!=1) a->type_field = t; else a->type_field |= t; }
595dac2000-09-30Martin Stjernholm #ifdef PIKE_DEBUG
e601a42001-10-15Martin Stjernholm  if (a->flags & ARRAY_WEAK_FLAG)
595dac2000-09-30Martin Stjernholm  gc_assert_checked_as_weak(a);
e601a42001-10-15Martin Stjernholm  else
595dac2000-09-30Martin Stjernholm  gc_assert_checked_as_nonweak(a);
e601a42001-10-15Martin Stjernholm #endif
c4ccb82000-07-04Martin Stjernholm  }
e2d9e62000-06-10Martin Stjernholm  } GC_CYCLE_LEAVE; } unsigned gc_touch_all_arrays(void) { unsigned n = 0;
cd451f2004-03-15Martin Stjernholm  struct array *a; if (!first_array || first_array->prev) Pike_fatal ("error in array link list.\n"); for (a = first_array; a; a = a->next) {
7bf6232000-04-23Martin Stjernholm  debug_gc_touch(a); n++;
cd451f2004-03-15Martin Stjernholm  if (a->next && a->next->prev != a)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Error in array link list.\n");
cd451f2004-03-15Martin Stjernholm  }
7bf6232000-04-23Martin Stjernholm  return n; }
be478c1997-08-30Henrik Grubbström (Grubba) void gc_check_all_arrays(void)
624d091996-02-24Fredrik Hübinette (Hubbe) {
c94c371996-03-28Fredrik Hübinette (Hubbe)  struct array *a;
cd451f2004-03-15Martin Stjernholm  for (a = first_array; a; a = a->next) {
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
e3c6e11996-05-16Fredrik Hübinette (Hubbe)  if(d_flag > 1) array_check_type_field(a); #endif
20513c2000-04-12Fredrik Hübinette (Hubbe)  gc_check_array(a);
cd451f2004-03-15Martin Stjernholm  }
5267b71995-08-09Fredrik Hübinette (Hubbe) }
c94c371996-03-28Fredrik Hübinette (Hubbe) 
be478c1997-08-30Henrik Grubbström (Grubba) void gc_mark_all_arrays(void)
5267b71995-08-09Fredrik Hübinette (Hubbe) {
e2d9e62000-06-10Martin Stjernholm  gc_mark_array_pos = gc_internal_array;
cd451f2004-03-15Martin Stjernholm  while (gc_mark_array_pos) {
e2d9e62000-06-10Martin Stjernholm  struct array *a = gc_mark_array_pos; gc_mark_array_pos = a->next;
c94c371996-03-28Fredrik Hübinette (Hubbe)  if(gc_is_referenced(a)) gc_mark_array_as_referenced(a);
e2d9e62000-06-10Martin Stjernholm  } } void gc_cycle_check_all_arrays(void) { struct array *a;
cd451f2004-03-15Martin Stjernholm  for (a = gc_internal_array; a; a = a->next) {
45d87e2000-07-18Martin Stjernholm  real_gc_cycle_check_array(a, 0); gc_cycle_run_queue();
e2d9e62000-06-10Martin Stjernholm  }
5267b71995-08-09Fredrik Hübinette (Hubbe) }
45d87e2000-07-18Martin Stjernholm void gc_zap_ext_weak_refs_in_arrays(void) {
cd451f2004-03-15Martin Stjernholm  gc_mark_array_pos = first_array;
45d87e2000-07-18Martin Stjernholm  while (gc_mark_array_pos != gc_internal_array && gc_ext_weak_refs) { struct array *a = gc_mark_array_pos; gc_mark_array_pos = a->next; gc_mark_array_as_referenced(a); }
e1a35e2003-09-08Martin Stjernholm  gc_mark_discard_queue();
45d87e2000-07-18Martin Stjernholm }
88cf4f2003-01-11Martin Stjernholm size_t gc_free_all_unreferenced_arrays(void)
c94c371996-03-28Fredrik Hübinette (Hubbe) { struct array *a,*next;
a1b3872003-01-11Martin Stjernholm  size_t unreferenced = 0;
c94c371996-03-28Fredrik Hübinette (Hubbe) 
cd451f2004-03-15Martin Stjernholm  for (a = gc_internal_array; a; a = next)
5267b71995-08-09Fredrik Hübinette (Hubbe)  {
e2d9e62000-06-10Martin Stjernholm #ifdef PIKE_DEBUG if (!a)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Null pointer in array list.\n");
e2d9e62000-06-10Martin Stjernholm #endif
c94c371996-03-28Fredrik Hübinette (Hubbe)  if(gc_do_free(a)) {
e2d9e62000-06-10Martin Stjernholm  /* Got an extra ref from gc_cycle_pop(). */
c94c371996-03-28Fredrik Hübinette (Hubbe)  free_svalues(ITEM(a), a->size, a->type_field); a->size=0;
e2d9e62000-06-10Martin Stjernholm  gc_free_extra_ref(a);
1285552000-04-17Henrik Grubbström (Grubba)  SET_NEXT_AND_FREE(a, free_array);
5f06241999-04-11Fredrik Hübinette (Hubbe)  } else {
e2d9e62000-06-10Martin Stjernholm  next=a->next;
c94c371996-03-28Fredrik Hübinette (Hubbe)  }
a1b3872003-01-11Martin Stjernholm  unreferenced++;
e2d9e62000-06-10Martin Stjernholm  }
88cf4f2003-01-11Martin Stjernholm 
a1b3872003-01-11Martin Stjernholm  return unreferenced;
c94c371996-03-28Fredrik Hübinette (Hubbe) }
624d091996-02-24Fredrik Hübinette (Hubbe) 
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
ed36ce1996-08-12Fredrik Hübinette (Hubbe)  void debug_dump_type_field(TYPE_FIELD t) { int e;
c330a91997-10-14Fredrik Hübinette (Hubbe)  for(e=0;e<=MAX_TYPE;e++)
ed36ce1996-08-12Fredrik Hübinette (Hubbe)  if(t & (1<<e)) fprintf(stderr," %s",get_name_of_type(e)); for(;e<16;e++) if(t & (1<<e)) fprintf(stderr," <%d>",e); } void debug_dump_array(struct array *a) {
595dac2000-09-30Martin Stjernholm  fprintf(stderr,"Location=%p Refs=%d, next=%p, prev=%p, " "flags=0x%x, size=%d, malloced_size=%d%s\n",
864d3c1998-01-29Fredrik Hübinette (Hubbe)  a,
ed36ce1996-08-12Fredrik Hübinette (Hubbe)  a->refs, a->next, a->prev,
595dac2000-09-30Martin Stjernholm  a->flags,
ed36ce1996-08-12Fredrik Hübinette (Hubbe)  a->size,
595dac2000-09-30Martin Stjernholm  a->malloced_size,
be08a82001-06-06Martin Stjernholm  a == &empty_array ? " (the empty_array)" : a == &weak_empty_array ? " (the weak_empty_array)" : "");
86f1862004-03-16Martin Stjernholm  fprintf(stderr,"Type field =");
ed36ce1996-08-12Fredrik Hübinette (Hubbe)  debug_dump_type_field(a->type_field); fprintf(stderr,"\n"); simple_describe_array(a);
5267b71995-08-09Fredrik Hübinette (Hubbe) } #endif
06983f1996-09-22Fredrik Hübinette (Hubbe) 
c3c7031996-12-04Fredrik Hübinette (Hubbe) void count_memory_in_arrays(INT32 *num_, INT32 *size_) { INT32 num=0, size=0; struct array *m;
cd451f2004-03-15Martin Stjernholm  for(m=first_array;m;m=m->next)
c3c7031996-12-04Fredrik Hübinette (Hubbe)  { num++; size+=sizeof(struct array)+ sizeof(struct svalue) * (m->malloced_size - 1); } *num_=num; *size_=size; }
f5466b1997-02-18Fredrik Hübinette (Hubbe) 
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *explode_array(struct array *a, struct array *b)
f5466b1997-02-18Fredrik Hübinette (Hubbe) {
b0b19a2001-02-03Martin Stjernholm  INT32 e,d,start;
f5466b1997-02-18Fredrik Hübinette (Hubbe)  struct array *tmp;
b0b19a2001-02-03Martin Stjernholm  start=0;
6fdf361998-05-12Fredrik Hübinette (Hubbe) #if 0
5fb4a51998-04-23Fredrik Hübinette (Hubbe)  if(!a->size) { return allocate_array_no_init(0,0); }
6fdf361998-05-12Fredrik Hübinette (Hubbe) #endif
f5466b1997-02-18Fredrik Hübinette (Hubbe)  if(b->size) {
b0b19a2001-02-03Martin Stjernholm  BEGIN_AGGREGATE_ARRAY(1) { for(e=0;e<=a->size - b->size;e++)
f5466b1997-02-18Fredrik Hübinette (Hubbe)  {
b0b19a2001-02-03Martin Stjernholm  for(d=0;d<b->size;d++) { if(!is_eq(ITEM(a)+(e+d),ITEM(b)+d)) break; } if(d==b->size) { check_stack(1); push_array(friendly_slice_array(a, start, e)); DO_AGGREGATE_ARRAY(120); e+=b->size-1; start=e+1; }
f5466b1997-02-18Fredrik Hübinette (Hubbe)  }
b0b19a2001-02-03Martin Stjernholm  check_stack(1); push_array(friendly_slice_array(a, start, a->size)); } END_AGGREGATE_ARRAY;
f5466b1997-02-18Fredrik Hübinette (Hubbe)  }else{
b0b19a2001-02-03Martin Stjernholm  check_stack(120); BEGIN_AGGREGATE_ARRAY(a->size) { for(e=0;e<a->size;e++) { push_array(friendly_slice_array(a, e, e+1)); DO_AGGREGATE_ARRAY(120); } } END_AGGREGATE_ARRAY;
f5466b1997-02-18Fredrik Hübinette (Hubbe)  }
b0b19a2001-02-03Martin Stjernholm  tmp=(--Pike_sp)->u.array;
50ea682003-03-14Henrik Grubbström (Grubba)  debug_malloc_touch(tmp);
f5466b1997-02-18Fredrik Hübinette (Hubbe)  if(tmp->size) tmp->type_field=BIT_ARRAY; return tmp; }
1f21332000-07-28Fredrik Hübinette (Hubbe) PMOD_EXPORT struct array *implode_array(struct array *a, struct array *b)
f5466b1997-02-18Fredrik Hübinette (Hubbe) {
01edae2002-03-06Henrik Grubbström (Grubba)  INT32 e, size;
f5466b1997-02-18Fredrik Hübinette (Hubbe)  struct array *ret;
01edae2002-03-06Henrik Grubbström (Grubba)  if (!a->size) { add_ref(a); return a; }
f5466b1997-02-18Fredrik Hübinette (Hubbe)  size=0; for(e=0;e<a->size;e++) { if(ITEM(a)[e].type!=T_ARRAY)
b2d3e42000-12-01Fredrik Hübinette (Hubbe)  Pike_error("Implode array contains non-arrays.\n");
f5466b1997-02-18Fredrik Hübinette (Hubbe)  size+=ITEM(a)[e].u.array->size; } ret=allocate_array((a->size -1) * b->size + size); size=0; ret->type_field=0; for(e=0;e<a->size;e++) { if(e) { ret->type_field|=b->type_field; assign_svalues_no_free(ITEM(ret)+size, ITEM(b), b->size, b->type_field); size+=b->size; } ret->type_field|=ITEM(a)[e].u.array->type_field; assign_svalues_no_free(ITEM(ret)+size, ITEM(ITEM(a)[e].u.array), ITEM(a)[e].u.array->size, ITEM(a)[e].u.array->type_field); size+=ITEM(a)[e].u.array->size; }
71f3a21998-11-22Fredrik Hübinette (Hubbe) #ifdef PIKE_DEBUG
f5466b1997-02-18Fredrik Hübinette (Hubbe)  if(size != ret->size)
5aad932002-08-15Marcus Comstedt  Pike_fatal("Implode_array failed miserably (%d != %d)\n", size, ret->size);
f5466b1997-02-18Fredrik Hübinette (Hubbe) #endif return ret; }