mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-27 16:20:09 +01:00
Geoff Romer
bd6aeae9d4
This enables thunking to work when the function has `ref` parameters, without jumping through hoops to add `ref` tags in the desugared function body. This also renames `is_operator_syntax` to `is_desugared`, which is more general and more accurate.
60 lines
2.7 KiB
C++
60 lines
2.7 KiB
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_CALL_H_
|
|
#define CARBON_TOOLCHAIN_CHECK_CPP_CALL_H_
|
|
|
|
#include "toolchain/check/context.h"
|
|
#include "toolchain/sem_ir/ids.h"
|
|
|
|
namespace Carbon::Check {
|
|
|
|
// Converts a call argument list into a Clang template argument list for a given
|
|
// template. Returns true on success, or false if an error was diagnosed.
|
|
//
|
|
// If `diagnose` is false, errors will be suppressed.
|
|
auto ConvertArgsToTemplateArgs(Context& context,
|
|
clang::TemplateDecl* template_decl,
|
|
llvm::ArrayRef<SemIR::InstId> arg_ids,
|
|
clang::TemplateArgumentListInfo& arg_list,
|
|
bool diagnose = true) -> bool;
|
|
|
|
// Checks and builds SemIR for a call to a C++ function in the given overload
|
|
// set with self `self_id` and arguments `arg_ids`. `is_desugared`
|
|
// indicates that this call was was produced by desugaring, not written as a
|
|
// function call in user code, so arguments to `ref` parameters aren't required
|
|
// to have `ref` tags.
|
|
//
|
|
// Chooses the best viable C++ function by performing Clang overloading
|
|
// resolution over the overload set.
|
|
//
|
|
// Preserves the given self, if set. If not set, and the function is a C++
|
|
// member operator, self will be set to the first argument, which in turn will
|
|
// be removed from the given args.
|
|
//
|
|
// A set with a single non-templated function goes through the same rules for
|
|
// overloading resolution. This is to make sure that calls that have no viable
|
|
// implicit conversion sequence are rejected even when an implicit conversion is
|
|
// possible. Keeping the same behavior here for consistency and supporting
|
|
// migrations so that the migrated callers from C++ remain valid.
|
|
auto PerformCallToCppFunction(Context& context, SemIR::LocId loc_id,
|
|
SemIR::CppOverloadSetId overload_set_id,
|
|
SemIR::InstId self_id,
|
|
llvm::ArrayRef<SemIR::InstId> arg_ids,
|
|
bool is_desugared) -> SemIR::InstId;
|
|
|
|
// Checks and builds SemIR for a call to a C++ template name with arguments
|
|
// `arg_ids`.
|
|
//
|
|
// Converts the arguments to a C++ template argument list and attempts to
|
|
// instantiate a template specialization and import a declaration of it.
|
|
auto PerformCallToCppTemplateName(Context& context, SemIR::LocId loc_id,
|
|
SemIR::ClangDeclId template_decl_id,
|
|
llvm::ArrayRef<SemIR::InstId> arg_ids)
|
|
-> SemIR::InstId;
|
|
|
|
} // namespace Carbon::Check
|
|
|
|
#endif // CARBON_TOOLCHAIN_CHECK_CPP_CALL_H_
|