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[NFC] Judge if we have std c++ modules in RenderModulesOptions 

This patch moves the judgement if the std c++ modules feature is enabled
into the RenderModulesOptions function. It simplify the code a little
bit further more. It also helps further patches.
This commit is contained in:
Chuanqi Xu 2022-10-17 15:48:13 +08:00
parent 95935d3f6d
commit f461e8045e
1 changed files with 16 additions and 9 deletions
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25
clang/lib/Driver/ToolChains/Clang.cpp
View File

@ -3660,10 +3660,19 @@ bool Driver::getDefaultModuleCachePath(SmallVectorImpl<char> &Result) {
return false;
}
static void RenderModulesOptions(Compilation &C, const Driver &D,
static bool RenderModulesOptions(Compilation &C, const Driver &D,
const ArgList &Args, const InputInfo &Input,
const InputInfo &Output,
ArgStringList &CmdArgs, bool &HaveModules) {
const InputInfo &Output, const Arg *Std,
ArgStringList &CmdArgs) {
bool IsCXX = types::isCXX(Input.getType());
// FIXME: Find a better way to determine whether the input has standard c++
// modules support by default.
bool HaveStdCXXModules =
IsCXX && Std &&
(Std->containsValue("c++2a") || Std->containsValue("c++20") ||
Std->containsValue("c++2b") || Std->containsValue("c++latest"));
bool HaveModules = HaveStdCXXModules;
// -fmodules enables the use of precompiled modules (off by default).
// Users can pass -fno-cxx-modules to turn off modules support for
// C++/Objective-C++ programs.
@ -3671,7 +3680,7 @@ static void RenderModulesOptions(Compilation &C, const Driver &D,
if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) {
bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules,
options::OPT_fno_cxx_modules, true);
if (AllowedInCXX || !types::isCXX(Input.getType())) {
if (AllowedInCXX || !IsCXX) {
CmdArgs.push_back("-fmodules");
HaveClangModules = true;
}
@ -3842,6 +3851,8 @@ static void RenderModulesOptions(Compilation &C, const Driver &D,
Args.ClaimAllArgs(options::OPT_fno_modules_validate_system_headers);
Args.ClaimAllArgs(options::OPT_fmodules_disable_diagnostic_validation);
}
return HaveModules;
}
static void RenderCharacterOptions(const ArgList &Args, const llvm::Triple &T,
@ -6688,12 +6699,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddLastArg(CmdArgs, options::OPT_finline_max_stacksize_EQ);
// FIXME: Find a better way to determine whether the language has modules
// support by default, or just assume that all languages do.
bool HaveModules =
Std && (Std->containsValue("c++2a") || Std->containsValue("c++20") ||
Std->containsValue("c++2b") || Std->containsValue("c++latest"));
RenderModulesOptions(C, D, Args, Input, Output, CmdArgs, HaveModules);
RenderModulesOptions(C, D, Args, Input, Output, Std, CmdArgs);
if (Args.hasFlag(options::OPT_fpch_validate_input_files_content,
options::OPT_fno_pch_validate_input_files_content, false))