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 | #ifndef INCLUDED_RUSTC_LLVM_LLVMWRAPPER_H
#define INCLUDED_RUSTC_LLVM_LLVMWRAPPER_H
#include "SuppressLLVMWarnings.h"
#include "llvm/Config/llvm-config.h"  // LLVM_VERSION_MAJOR, LLVM_VERSION_MINOR
#include "llvm/Support/raw_ostream.h" // llvm::raw_ostream
#include <cstddef>                    // size_t etc
#include <cstdint>                    // uint64_t etc
#define LLVM_VERSION_GE(major, minor)                                          \
  (LLVM_VERSION_MAJOR > (major) ||                                             \
   LLVM_VERSION_MAJOR == (major) && LLVM_VERSION_MINOR >= (minor))
#define LLVM_VERSION_LT(major, minor) (!LLVM_VERSION_GE((major), (minor)))
extern "C" void LLVMRustSetLastError(const char *);
enum class LLVMRustResult { Success, Failure };
typedef struct OpaqueRustString *RustStringRef;
typedef struct LLVMOpaqueTwine *LLVMTwineRef;
typedef struct LLVMOpaqueSMDiagnostic *LLVMSMDiagnosticRef;
extern "C" void LLVMRustStringWriteImpl(RustStringRef buf,
                                        const char *slice_ptr,
                                        size_t slice_len);
class RawRustStringOstream : public llvm::raw_ostream {
  RustStringRef Str;
  uint64_t Pos;
  void write_impl(const char *Ptr, size_t Size) override {
    LLVMRustStringWriteImpl(Str, Ptr, Size);
    Pos += Size;
  }
  uint64_t current_pos() const override { return Pos; }
public:
  explicit RawRustStringOstream(RustStringRef Str) : Str(Str), Pos(0) {}
  ~RawRustStringOstream() {
    // LLVM requires this.
    flush();
  }
};
#endif // INCLUDED_RUSTC_LLVM_LLVMWRAPPER_H
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