mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-02 07:45:49 +01:00
Nicholas Bishop
c1fd771242
Example:
```carbon
import Cpp inline '''
constexpr int f(int a, int b) { return a + b; }
''';
let a: array(i32, Cpp.f(1, 2)) = (1, 2, 3);
```
28 lines
977 B
C++
28 lines
977 B
C++
// 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_CONSTANT_H_
|
|
#define CARBON_TOOLCHAIN_CHECK_CPP_CONSTANT_H_
|
|
|
|
#include "clang/AST/APValue.h"
|
|
#include "toolchain/check/context.h"
|
|
#include "toolchain/sem_ir/ids.h"
|
|
|
|
namespace Carbon::Check {
|
|
|
|
// Converts an `APValue` to a Carbon `ConstantId`.
|
|
auto MapAPValueToConstant(Context& context, SemIR::LocId loc_id,
|
|
const clang::APValue& ap_value, clang::QualType type)
|
|
-> SemIR::ConstantId;
|
|
|
|
// Attempt to evaluate a call to a C++ constexpr/consteval function as a
|
|
// Carbon constant.
|
|
auto EvalCppCall(Context& context, SemIR::LocId loc_id,
|
|
SemIR::ClangDeclId clang_decl_id, SemIR::InstBlockId args_id)
|
|
-> SemIR::ConstantId;
|
|
|
|
} // namespace Carbon::Check
|
|
|
|
#endif // CARBON_TOOLCHAIN_CHECK_CPP_CONSTANT_H_
|