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#5: stack refactoring

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This commit is contained in:
Louis Rubet 2017-04-29 15:43:05 +02:00
parent d175626a9d
commit 03bb976b65
1 changed files with 19 additions and 9 deletions
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28
src/stack.h
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@ -20,17 +20,19 @@ class stack
public:
stack()
{
_base = new char[ALLOC_STACK_CHUNK];
_blob = new char[ALLOC_BLOB_CHUNK];
_total_size = ALLOC_STACK_CHUNK;
_total_blob_size = ALLOC_BLOB_CHUNK;
_base = NULL;
_blob = NULL;
_total_size = 0;
_total_blob_size = 0;
erase();
}
virtual ~stack()
{
delete[] _base;
delete[] _blob;
if (_base != NULL)
free(_base);
if (_blob != NULL)
free(_blob);
}
void erase()
@ -44,7 +46,7 @@ public:
_vtype.clear();
_count = 0;
}
void push_back(void* obj, unsigned int size, int type = 0, bool dont_copy = false, void* blob = NULL, unsigned int blob_size = 0)
{
void* allocated_blob;
@ -59,6 +61,7 @@ public:
}
}
// index_from is counted from back, last entry is 0
static void copy_and_push_back(stack& from, unsigned int index_from, stack& to)
{
// copy a whole stack entry (with blob) and push it back to another stack
@ -75,7 +78,6 @@ public:
if (_current + size > _base + _total_size)
{
//TODO gerer les pbs de memoire
unsigned long offset = _current - _base;
_total_size += ALLOC_STACK_CHUNK;
_base = (char*)realloc(_base, _total_size);
@ -83,7 +85,6 @@ public:
}
if (_current_blob + blob_size > _blob + _total_blob_size)
{
//TODO gerer les pbs de memoire
unsigned long offset = _current_blob - _blob;
_total_blob_size += ALLOC_BLOB_CHUNK;
_blob = (char*)realloc(_blob, _total_blob_size);
@ -104,6 +105,7 @@ public:
_vtype.push_back(type);
_count++;
//cout<<__FUNCTION__<<": -> stack size is "<<_count<<endl;//lru
return allocated;
}
@ -144,6 +146,14 @@ public:
return NULL;
}
void* get_blob(unsigned int index)
{
if (index<_count)
return _vpointer_blob[_count-index-1];
else
return NULL;
}
void* operator[](unsigned int index)
{
return get_obj(index);