void _error_context_pop( void )
{
error_context_t* context = get_thread_error_context();
if( context )
{
FOUNDATION_ASSERT_MSG( context->depth, "Error context stack underflow" );
--context->depth;
}
}
void _error_context_thread_deallocate( void )
{
error_context_t* context = get_thread_error_context();
if( context )
{
FOUNDATION_ASSERT_MSG( !context->depth, "Error context thread exit with non-zero context stack" );
memory_deallocate( context );
set_thread_error_context( 0 );
}
}
void _error_context_push( const char* name, const char* data )
{
error_context_t* context = get_thread_error_context();
if( !context )
{
context = memory_allocate_zero( sizeof( error_context_t ), 0, MEMORY_PERSISTENT );
set_thread_error_context( context );
}
FOUNDATION_ASSERT_MSG( context->depth < BUILD_SIZE_ERROR_CONTEXT_DEPTH, "Error context stack overflow" );
context->frame[ context->depth ].name = name;
context->frame[ context->depth ].data = data;
if( context->depth < BUILD_SIZE_ERROR_CONTEXT_DEPTH-1 )
++context->depth;
}
void _error_context_buffer( char* buffer, unsigned int size )
{
error_context_t* context = get_thread_error_context();
if( context )
{
int i, written;
error_frame_t* frame = context->frame;
for( i = 0; size && ( i < context->depth ); ++i, ++frame )
{
written = snprintf( buffer, size, "When %s: %s\n", frame->name ? frame->name : "<something>", frame->data ? frame->data : "" );
if( ( written > 0 ) && ( written <= (int)size ) )
{
buffer += written;
size -= written;
}
else
break;
}
}
}
error_context_t* _error_context( void )
{
return get_thread_error_context();
}
void _error_context_clear( void )
{
error_context_t* context = get_thread_error_context();
if( context )
context->depth = 0;
}
