How to invoke an Objective-C Block via the LLVM C++ API?
- by smokris
Say, for example, I have an Objective-C compiled Module that contains something like the following:
typedef bool (^BoolBlock)(void);
BoolBlock returnABlock(void)
{
return Block_copy(^bool(void){
printf("Block executing.\n");
return YES;
});
}
...then, using the LLVM C++ API, I load that Module and create a CallInst to call the returnABlock() function:
Function *returnABlockFunction = returnABlockModule->getFunction(std::string("returnABlock"));
CallInst *returnABlockCall = CallInst::Create(returnABlockFunction, "returnABlockCall", entryBlock);
How can I then invoke the Block returned via the returnABlockCall object?
