// private method that handles circular dependencies by only search any image once
const ImageLoader::Symbol* ImageLoader::findExportedSymbolInDependentImagesExcept(const char* name,
const ImageLoader** dsiStart, const ImageLoader**& dsiCur, const ImageLoader** dsiEnd, const ImageLoader** foundIn) const
{
const ImageLoader::Symbol* sym;
// search self
if ( notInImgageList(this, dsiStart, dsiCur) ) {
sym = this->findExportedSymbol(name, false, foundIn);
if ( sym != NULL )
return sym;
*dsiCur++ = this;
}
// search directly dependent libraries
for(unsigned int i=0; i < libraryCount(); ++i) {
ImageLoader* dependentImage = libImage(i);
if ( (dependentImage != NULL) && notInImgageList(dependentImage, dsiStart, dsiCur) ) {
const ImageLoader::Symbol* sym = dependentImage->findExportedSymbol(name, false, foundIn);
if ( sym != NULL )
return sym;
}
}
// search indirectly dependent libraries
for(unsigned int i=0; i < libraryCount(); ++i) {
ImageLoader* dependentImage = libImage(i);
if ( (dependentImage != NULL) && notInImgageList(dependentImage, dsiStart, dsiCur) ) {
*dsiCur++ = dependentImage;
const ImageLoader::Symbol* sym = dependentImage->findExportedSymbolInDependentImagesExcept(name, dsiStart, dsiCur, dsiEnd, foundIn);
if ( sym != NULL )
return sym;
}
}
return NULL;
}
