#include "llvm/Support/MemoryBuffer.h" #include#include using namespace llvm; int main() { std::ifstream file("example.txt"); if (!file) { std::cerr << "Unable to open file"; return 1; } MemoryBufferRef buffer = MemoryBuffer::getFile(file).get(); std::cout << buffer.getBuffer().str(); return 0; }
#include "llvm/Support/MemoryBuffer.h" #includeThis example creates a new memory buffer containing a string using `MemoryBuffer::getMemBuffer`. The contents of the buffer are accessed and printed to stdout using the same `buffer->getBuffer().str()` method as in the previous example. In summary, MemoryBuffer is a C++ class provided by the LLVM package library that enables you to read from and write to memory buffers. It can be used for a wide range of applications, including reading from files and creating new memory buffers containing data.using namespace llvm; int main() { StringRef data("Hello, world!"); auto buffer = MemoryBuffer::getMemBuffer(data); std::cout << buffer->getBuffer().str(); return 0; }