site_archiver@lists.apple.com Delivered-To: Cocoa-dev@lists.apple.com Thanks! That's what I thought, 2010/5/31 Jens Alfke <jens@mooseyard.com>
On May 31, 2010, at 10:11 AM, Louis-Philippe wrote:
like, if I have a c++ lib I would like to call from within an Objective-c class, assuming a call like:
I’m not sure what it is you’re trying to do. You can easily call C++ code from Objective-C just by switching the compiler dialect to Objective-C++, which is done most simply by changing your source file’s extension from .m to .mm.
If you’re trying to load a dylib dynamically and resolve symbols, use dlopen etc. as Sherm said. To call those functions you’ll need to cast the pointer to the appropriate type of function pointer and call it.
If you’re looking for a general-purpose eval( ) function as found in interpreted languages like PHP or Python, there isn’t one. Objective-C is not an interpreted language, so the parsing and compilation is done at build time by the compiler, not at runtime.
—Jens
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