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