sourcepawn/compiler/sctracker.c
branchsourcemod-1.1.0
changeset 2283 03a67e41afbc
parent 1951 c7b4237fff50
child 2287 017a725c9d17
     1.1 --- a/sourcepawn/compiler/sctracker.c	Fri Mar 28 06:21:34 2008 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,429 +0,0 @@
     1.4 -#include <malloc.h>
     1.5 -#include <string.h>
     1.6 -#include <assert.h>
     1.7 -#include "sc.h"
     1.8 -#include "sctracker.h"
     1.9 -
    1.10 -memuse_list_t *heapusage = NULL;
    1.11 -memuse_list_t *stackusage = NULL;
    1.12 -funcenum_t *firstenum = NULL;
    1.13 -funcenum_t *lastenum = NULL;
    1.14 -pstruct_t *firststruct = NULL;
    1.15 -pstruct_t *laststruct = NULL;
    1.16 -
    1.17 -structarg_t *pstructs_getarg(pstruct_t *pstruct, const char *member)
    1.18 -{
    1.19 -	int i;
    1.20 -
    1.21 -	for (i=0; i<pstruct->argcount; i++)
    1.22 -	{
    1.23 -		if (strcmp(pstruct->args[i]->name, member) == 0)
    1.24 -		{
    1.25 -			return pstruct->args[i];
    1.26 -		}
    1.27 -	}
    1.28 -
    1.29 -	return NULL;
    1.30 -}
    1.31 -
    1.32 -pstruct_t *pstructs_add(const char *name)
    1.33 -{
    1.34 -	pstruct_t *p = (pstruct_t *)malloc(sizeof(pstruct_t));
    1.35 -	
    1.36 -	memset(p, 0, sizeof(pstruct_t));
    1.37 -	strcpy(p->name, name);
    1.38 -	
    1.39 -	if (!firststruct)
    1.40 -	{
    1.41 -		firststruct = p;
    1.42 -		laststruct = p;
    1.43 -	} else {
    1.44 -		laststruct->next = p;
    1.45 -		laststruct = p;
    1.46 -	}
    1.47 -
    1.48 -	return p;
    1.49 -}
    1.50 -
    1.51 -void pstructs_free()
    1.52 -{
    1.53 -	pstruct_t *p, *next;
    1.54 -
    1.55 -	p = firststruct;
    1.56 -	while (p)
    1.57 -	{
    1.58 -		while (p->argcount--)
    1.59 -		{
    1.60 -			free(p->args[p->argcount]);
    1.61 -		}
    1.62 -		free(p->args);
    1.63 -		next = p->next;
    1.64 -		free(p);
    1.65 -		p = next;
    1.66 -	}
    1.67 -	firststruct = NULL;
    1.68 -	laststruct = NULL;
    1.69 -}
    1.70 -
    1.71 -pstruct_t *pstructs_find(const char *name)
    1.72 -{
    1.73 -	pstruct_t *p = firststruct;
    1.74 -
    1.75 -	while (p)
    1.76 -	{
    1.77 -		if (strcmp(p->name, name) == 0)
    1.78 -		{
    1.79 -			return p;
    1.80 -		}
    1.81 -		p = p->next;
    1.82 -	}
    1.83 -
    1.84 -	return NULL;
    1.85 -}
    1.86 -
    1.87 -structarg_t *pstructs_addarg(pstruct_t *pstruct, const structarg_t *arg)
    1.88 -{
    1.89 -	structarg_t *newarg;
    1.90 -	int i;
    1.91 -
    1.92 -	for (i=0; i<pstruct->argcount; i++)
    1.93 -	{
    1.94 -		if (strcmp(pstruct->args[i]->name, arg->name) == 0)
    1.95 -		{
    1.96 -			/* Don't allow dup names */
    1.97 -			return NULL;
    1.98 -		}
    1.99 -	}
   1.100 -	
   1.101 -	newarg = (structarg_t *)malloc(sizeof(structarg_t));
   1.102 -
   1.103 -	memcpy(newarg, arg, sizeof(structarg_t));
   1.104 -
   1.105 -	if (pstruct->argcount == 0)
   1.106 -	{
   1.107 -		pstruct->args = (structarg_t **)malloc(sizeof(structarg_t *) * 1);
   1.108 -	} else {
   1.109 -		pstruct->args = (structarg_t **)realloc(
   1.110 -							pstruct->args,
   1.111 -							sizeof(structarg_t *) * (pstruct->argcount + 1));
   1.112 -	}
   1.113 -
   1.114 -	newarg->offs = pstruct->argcount * sizeof(cell);
   1.115 -	newarg->index = pstruct->argcount;
   1.116 -	pstruct->args[pstruct->argcount++] = newarg;
   1.117 -
   1.118 -	return newarg;
   1.119 -}
   1.120 -
   1.121 -void funcenums_free()
   1.122 -{
   1.123 -	funcenum_t *e, *next;
   1.124 -
   1.125 -	e = firstenum;
   1.126 -	while (e)
   1.127 -	{
   1.128 -		functag_t *tag, *nexttag;
   1.129 -		tag = e->first;
   1.130 -		while (tag)
   1.131 -		{
   1.132 -			nexttag = tag->next;
   1.133 -			free(tag);
   1.134 -			tag = nexttag;
   1.135 -		}
   1.136 -		next = e->next;
   1.137 -		free(e);
   1.138 -		e = next;
   1.139 -	}
   1.140 -
   1.141 -	firstenum = NULL;
   1.142 -	lastenum = NULL;
   1.143 -}
   1.144 -
   1.145 -funcenum_t *funcenums_find_byval(int value)
   1.146 -{
   1.147 -	funcenum_t *e = firstenum;
   1.148 -
   1.149 -	while (e)
   1.150 -	{
   1.151 -		if (e->value == value)
   1.152 -		{
   1.153 -			return e;
   1.154 -		}
   1.155 -		e = e->next;
   1.156 -	}
   1.157 -
   1.158 -	return NULL;
   1.159 -}
   1.160 -
   1.161 -funcenum_t *funcenums_add(const char *name)
   1.162 -{
   1.163 -	funcenum_t *e = (funcenum_t *)malloc(sizeof(funcenum_t));
   1.164 -
   1.165 -	memset(e, 0, sizeof(funcenum_t));
   1.166 -
   1.167 -	if (firstenum == NULL)
   1.168 -	{
   1.169 -		firstenum = e;
   1.170 -		lastenum = e;
   1.171 -	} else {
   1.172 -		lastenum->next = e;
   1.173 -		lastenum = e;
   1.174 -	}
   1.175 -
   1.176 -	strcpy(e->name, name);
   1.177 -	e->value = pc_addfunctag((char *)name);
   1.178 -
   1.179 -	return e;
   1.180 -}
   1.181 -
   1.182 -functag_t *functags_add(funcenum_t *en, functag_t *src)
   1.183 -{
   1.184 -	functag_t *t = (functag_t *)malloc(sizeof(functag_t));
   1.185 -	
   1.186 -	memcpy(t, src, sizeof(functag_t));
   1.187 -
   1.188 -	t->next = NULL;
   1.189 -
   1.190 -	if (en->first == NULL)
   1.191 -	{
   1.192 -		en->first = t;
   1.193 -		en->last = t;
   1.194 -	} else {
   1.195 -		en->last->next = t;
   1.196 -		en->last = t;
   1.197 -	}
   1.198 -
   1.199 -	return t;
   1.200 -}
   1.201 -
   1.202 -/**
   1.203 - * Creates a new mem usage tracker entry
   1.204 - */
   1.205 -void _push_memlist(memuse_list_t **head)
   1.206 -{
   1.207 -  memuse_list_t *newlist = (memuse_list_t *)malloc(sizeof(memuse_list_t));
   1.208 -  if (*head != NULL)
   1.209 -  {
   1.210 -    newlist->list_id = (*head)->list_id + 1;
   1.211 -  } else {
   1.212 -    newlist->list_id = 0;
   1.213 -  }
   1.214 -  newlist->prev = *head;
   1.215 -  newlist->head = NULL;
   1.216 -  *head = newlist;
   1.217 -}
   1.218 -
   1.219 -/**
   1.220 - * Pops a heap list but does not free it.
   1.221 - */
   1.222 -memuse_list_t *_pop_save_memlist(memuse_list_t **head)
   1.223 -{
   1.224 -  memuse_list_t *oldlist = *head;
   1.225 -  *head = (*head)->prev;
   1.226 -  return oldlist;
   1.227 -}
   1.228 -
   1.229 -/**
   1.230 - * Marks a memory usage on a memory list
   1.231 - */
   1.232 -int _mark_memlist(memuse_list_t *head, int type, int size)
   1.233 -{
   1.234 -  memuse_t *use;
   1.235 -  if (type==MEMUSE_STATIC && size==0)
   1.236 -  {
   1.237 -    return 0;
   1.238 -  }
   1.239 -  use=head->head;
   1.240 -  if (use && (type==MEMUSE_STATIC) 
   1.241 -      && (use->type == type))
   1.242 -  {
   1.243 -    use->size += size;
   1.244 -  } else {
   1.245 -    use=(memuse_t *)malloc(sizeof(memuse_t));
   1.246 -    use->type=type;
   1.247 -    use->size=size;
   1.248 -    use->prev=head->head;
   1.249 -    head->head=use;
   1.250 -  }
   1.251 -  return size;
   1.252 -}
   1.253 -
   1.254 -void _reset_memlist(memuse_list_t **head)
   1.255 -{
   1.256 -  memuse_list_t *curlist = *head;
   1.257 -  memuse_list_t *tmplist;
   1.258 -  while (curlist) {
   1.259 -    memuse_t *curuse = curlist->head;
   1.260 -    memuse_t *tmpuse;
   1.261 -    while (curuse) {
   1.262 -      tmpuse = curuse->prev;
   1.263 -      free(curuse);
   1.264 -      curuse = tmpuse;
   1.265 -    }
   1.266 -    tmplist = curlist->prev;
   1.267 -    free(curlist);
   1.268 -    curlist = tmplist;
   1.269 -  }
   1.270 -  *head = NULL;
   1.271 -}
   1.272 -
   1.273 -
   1.274 -/**
   1.275 - * Wrapper for pushing the heap list
   1.276 - */
   1.277 -void pushheaplist()
   1.278 -{
   1.279 -  _push_memlist(&heapusage);
   1.280 -}
   1.281 -
   1.282 -/**
   1.283 - * Wrapper for popping and saving the heap list
   1.284 - */
   1.285 -memuse_list_t *popsaveheaplist()
   1.286 -{
   1.287 -  return _pop_save_memlist(&heapusage);
   1.288 -}
   1.289 -
   1.290 -/**
   1.291 - * Wrapper for marking the heap
   1.292 - */
   1.293 -int markheap(int type, int size)
   1.294 -{
   1.295 -  return _mark_memlist(heapusage, type, size);
   1.296 -}
   1.297 -
   1.298 -/**
   1.299 - * Wrapper for pushing the stack list
   1.300 - */
   1.301 -void pushstacklist()
   1.302 -{
   1.303 -  _push_memlist(&stackusage);
   1.304 -}
   1.305 -
   1.306 -/**
   1.307 - * Wrapper for marking the stack
   1.308 - */
   1.309 -int markstack(int type, int size)
   1.310 -{
   1.311 -  return _mark_memlist(stackusage, type, size);
   1.312 -}
   1.313 -
   1.314 -/**
   1.315 - * Generates code to free all heap allocations on a tracker
   1.316 - */
   1.317 -void _heap_freeusage(memuse_list_t *heap, int dofree)
   1.318 -{
   1.319 -  memuse_t *cur=heap->head;
   1.320 -  memuse_t *tmp;
   1.321 -  while (cur)
   1.322 -  {
   1.323 -    if (cur->type == MEMUSE_STATIC)
   1.324 -	{
   1.325 -      modheap((-1)*cur->size*sizeof(cell));
   1.326 -    } else {
   1.327 -      modheap_i();
   1.328 -    }
   1.329 -    if (dofree)
   1.330 -    {
   1.331 -      tmp=cur->prev;
   1.332 -      free(cur);
   1.333 -      cur=tmp;
   1.334 -    } else {
   1.335 -      cur=cur->prev;
   1.336 -    }
   1.337 -  }
   1.338 -  if (dofree)
   1.339 -  {
   1.340 -    heap->head=NULL;
   1.341 -  }
   1.342 -}
   1.343 -
   1.344 -void _stack_genusage(memuse_list_t *stack, int dofree)
   1.345 -{
   1.346 -  memuse_t *cur = stack->head;
   1.347 -  memuse_t *tmp;
   1.348 -  while (cur)
   1.349 -  {
   1.350 -    if (cur->type == MEMUSE_DYNAMIC)
   1.351 -	{
   1.352 -      /* no idea yet */
   1.353 -      assert(0);
   1.354 -	} else {
   1.355 -      modstk(cur->size * sizeof(cell));
   1.356 -	}
   1.357 -	if (dofree)
   1.358 -	{
   1.359 -      tmp = cur->prev;
   1.360 -      free(cur);
   1.361 -      cur = tmp;
   1.362 -	} else {
   1.363 -      cur = cur->prev;
   1.364 -	}
   1.365 -  }
   1.366 -  if (dofree)
   1.367 -  {
   1.368 -    stack->head = NULL;
   1.369 -  }
   1.370 -}
   1.371 -
   1.372 -/**
   1.373 - * Pops a heap list and frees it.
   1.374 - */
   1.375 -void popheaplist()
   1.376 -{
   1.377 -  memuse_list_t *oldlist;
   1.378 -  assert(heapusage!=NULL);
   1.379 -
   1.380 -  _heap_freeusage(heapusage, 1);
   1.381 -  assert(heapusage->head==NULL);
   1.382 -
   1.383 -  oldlist=heapusage->prev;
   1.384 -  free(heapusage);
   1.385 -  heapusage=oldlist;
   1.386 -}
   1.387 -
   1.388 -void genstackfree(int stop_id)
   1.389 -{
   1.390 -  memuse_list_t *curlist = stackusage;
   1.391 -  while (curlist && curlist->list_id > stop_id)
   1.392 -  {
   1.393 -    _stack_genusage(curlist, 0);
   1.394 -    curlist = curlist->prev;
   1.395 -  }
   1.396 -}
   1.397 -
   1.398 -void genheapfree(int stop_id)
   1.399 -{
   1.400 -  memuse_list_t *curlist = heapusage;
   1.401 -  while (curlist && curlist->list_id > stop_id)
   1.402 -  {
   1.403 -    _heap_freeusage(curlist, 0);
   1.404 -    curlist = curlist->prev;
   1.405 -  }
   1.406 -}
   1.407 -
   1.408 -void popstacklist(int codegen)
   1.409 -{
   1.410 -  memuse_list_t *oldlist;
   1.411 -  assert(stackusage != NULL);
   1.412 -
   1.413 -  if (codegen)
   1.414 -  {
   1.415 -    _stack_genusage(stackusage, 1);
   1.416 -    assert(stackusage->head==NULL);
   1.417 -  }
   1.418 -
   1.419 -  oldlist = stackusage->prev;
   1.420 -  free(stackusage);
   1.421 -  stackusage = oldlist;
   1.422 -}
   1.423 -
   1.424 -void resetstacklist()
   1.425 -{
   1.426 -  _reset_memlist(&stackusage);
   1.427 -}
   1.428 -
   1.429 -void resetheaplist()
   1.430 -{
   1.431 -  _reset_memlist(&heapusage);
   1.432 -}