import sys

p = r"C:/Users/locpham/SonicForgeStudio/native_bridge/src/main.cpp"
data = open(p, "rb").read()

def rep(old, new, count=1):
    global data
    old = old.encode(); new = new.encode()
    assert data.count(old) >= count, "pattern not found: %r" % old
    data = data.replace(old, new, count)

# 1. vectored handler ghi dump cho first-chance; cai gan CrashDumpHandler
vectored = r"""
// Vectored handler: catches first-chance exceptions INCLUDING heap-corruption
// raises that never reach SetUnhandledExceptionFilter (0xC0000374 observed to
// bypass it on this machine). Writes the same minidump then continues.
#ifdef _WIN32
static LONG WINAPI VectoredCrashHandler(PEXCEPTION_POINTERS ep) {
    PEXCEPTION_RECORD er = ep ? ep->ExceptionRecord : nullptr;
    DWORD code = er ? er->ExceptionCode : 0;
    if (code != 0xC0000374 && code != 0xC0000005 && code != 0xC0000409) {
        return EXCEPTION_CONTINUE_SEARCH;  // ignore benign first-chance noise
    }
    std::cerr << "[VCRASH] first-chance code=0x" << std::hex << code
              << " addr=0x" << (er ? (void*)er->ExceptionAddress : nullptr)
              << std::dec << " tid=" << GetCurrentThreadId() << std::endl;
    // route into the same dump writer
    return CrashDumpHandler(ep) == EXCEPTION_CONTINUE_SEARCH
               ? EXCEPTION_CONTINUE_SEARCH
               : EXCEPTION_CONTINUE_SEARCH;
}
#endif
"""

rep("int main(int argc, char* argv[]) {\n    SetUnhandledExceptionFilter(CrashDumpHandler);\n",
    vectored + "\nint main(int argc, char* argv[]) {\n    SetUnhandledExceptionFilter(CrashDumpHandler);\n    AddVectoredExceptionHandler(1, VectoredCrashHandler);\n")

open(p, "wb").write(data)
print("patched OK, size=", len(data))