================ @@ -0,0 +1,86 @@ +//===----------------- PrerequisiteModules.h ---------------------*- C++-*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_PREREQUISITEMODULES_H +#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_PREREQUISITEMODULES_H + +#include "Compiler.h" +#include "support/Path.h" + +#include "clang/Lex/HeaderSearchOptions.h" + +#include "llvm/ADT/StringSet.h" + +namespace clang { +namespace clangd { + +class ModulesBuilder; + +/// Store all the needed module files information to parse a single +/// source file. e.g., +/// +/// ``` +/// // a.cppm +/// export module a; +/// +/// // b.cppm +/// export module b; +/// import a; +/// +/// // c.cppm +/// export module c; +/// import a; +/// ``` +/// +/// For the source file `c.cppm`, an instance of the class will store +/// the module files for `a.cppm` and `b.cppm`. But the module file for `c.cppm` +/// won't be stored. Since it is not needed to parse `c.cppm`. +/// +/// Users should only get PrerequisiteModules from +/// `ModulesBuilder::buildPrerequisiteModulesFor(...)`. +/// +/// Users can detect whether the PrerequisiteModules is still up to date by +/// calling the `canReuse()` member function. +/// +/// The users should call `adjustHeaderSearchOptions(...)` to update the +/// compilation commands to select the built module files first. Before calling +/// `adjustHeaderSearchOptions()`, users should call `canReuse()` first to check +/// if all the stored module files are valid. In case they are not valid, +/// users should call `ModulesBuilder::buildPrerequisiteModulesFor(...)` again +/// to get the new PrerequisiteModules. +class PrerequisiteModules { ---------------- Destroyerrrocket wrote:
And you'll need to define a virtual destructor here as well https://github.com/llvm/llvm-project/pull/66462 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits