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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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