2006-04-24 01:14:18 +02:00
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/**
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* =========================================================================
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* File : debug_stl.h
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* Project : 0 A.D.
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* Description : portable debugging helper functions specific to the STL.
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* =========================================================================
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*/
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2007-05-07 18:33:24 +02:00
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// license: GPL; see lib/license.txt
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2006-04-24 01:14:18 +02:00
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2007-05-07 18:33:24 +02:00
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#ifndef INCLUDED_DEBUG_STL
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#define INCLUDED_DEBUG_STL
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2006-04-24 01:14:18 +02:00
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2006-09-22 15:19:40 +02:00
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namespace ERR
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{
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const LibError STL_CNT_UNKNOWN = -100500;
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// likely causes: not yet initialized or memory corruption.
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const LibError STL_CNT_INVALID = -100501;
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}
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2006-06-22 20:26:08 +02:00
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/**
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* reduce complicated STL symbol names to human-readable form.
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*
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* algorithm: remove/replace undesired substrings in one pass (fast).
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* example: "std::basic_string<char, char_traits<char>,
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* std::allocator<char> >" => "string".
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*
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* @param buffer holding input symbol name; modified in-place.
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* there is no length limit; must be large enough to hold typical STL
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* strings. DBG_SYMBOL_LEN chars is a good measure.
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* @return name for convenience.
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**/
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extern char* debug_stl_simplify_name(char* name);
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2006-04-24 01:14:18 +02:00
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2006-06-22 20:26:08 +02:00
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/**
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* abstraction of all STL iterators used by debug_stl.
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**/
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2007-10-09 19:05:05 +02:00
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typedef const u8* (*DebugStlIterator)(void* internal, size_t el_size);
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2006-06-22 20:26:08 +02:00
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/**
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* no STL iterator is larger than this; see below.
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**/
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2006-04-24 01:14:18 +02:00
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const size_t DEBUG_STL_MAX_ITERATOR_SIZE = 64;
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2006-06-22 20:26:08 +02:00
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/**
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* prepare to enumerate the elements of arbitrarily typed STL containers.
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*
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* works by retrieving element count&size via debug information and hiding
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* the container's iterator implementation behind a common interface.
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* a basic sanity check is performed to see if the container memory is
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* valid and appears to be initialized.
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*
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* @param type_name exact type of STL container (see example above)
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* @param p raw memory holding the container
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* @param size sizeof(container)
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* @param el_size sizeof(value_type)
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* @param el_count out; number of valid elements in container
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* @param el_iterator out; callback function that acts as an iterator
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* @param it_mem out; buffer holding the iterator state. must be
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* at least DEBUG_STL_MAX_ITERATOR_SIZE bytes.
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2006-09-22 15:19:40 +02:00
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* @return LibError (ERR::STL_*)
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2006-06-22 20:26:08 +02:00
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**/
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extern LibError debug_stl_get_container_info(const char* type_name, const u8* p, size_t size,
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2007-10-09 19:05:05 +02:00
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size_t el_size, size_t* el_count, DebugStlIterator* el_iterator, void* it_mem);
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2006-04-24 01:14:18 +02:00
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2007-05-07 18:33:24 +02:00
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#endif // #ifndef INCLUDED_DEBUG_STL
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