carbon-lang/toolchain/check/cpp/macros.h

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

#ifndef CARBON_TOOLCHAIN_CHECK_CPP_MACROS_H_
#define CARBON_TOOLCHAIN_CHECK_CPP_MACROS_H_

#include "toolchain/check/context.h"

namespace Carbon::Check {

// Tries to evaluate the given macro. The macro will be evaluated as a
// constant if possible. Returns an `InstId` on success or
// `SemIR::ErrorInst::InstId` otherwise.
auto TryEvaluateMacro(Context& context, SemIR::LocId loc_id,
                      SemIR::NameId name_id, clang::MacroInfo* macro_info)
    -> SemIR::InstId;

}  // namespace Carbon::Check

#endif  // CARBON_TOOLCHAIN_CHECK_CPP_MACROS_H_