[C++20] Implement context-sensitive header-name lexing and pp-import parsing in the preprocessor.
llvm-svn: 358231
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 35ad1c6..5caf8b4 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -2594,13 +2594,18 @@
Args.hasFlag(OPT_fdouble_square_bracket_attributes,
OPT_fno_double_square_bracket_attributes, Opts.CPlusPlus11);
+ Opts.CPlusPlusModules = Opts.CPlusPlus2a;
Opts.ModulesTS = Args.hasArg(OPT_fmodules_ts);
- Opts.Modules = Args.hasArg(OPT_fmodules) || Opts.ModulesTS;
+ Opts.Modules =
+ Args.hasArg(OPT_fmodules) || Opts.ModulesTS || Opts.CPlusPlusModules;
Opts.ModulesStrictDeclUse = Args.hasArg(OPT_fmodules_strict_decluse);
Opts.ModulesDeclUse =
Args.hasArg(OPT_fmodules_decluse) || Opts.ModulesStrictDeclUse;
+ // FIXME: We only need this in C++ modules / Modules TS if we might textually
+ // enter a different module (eg, when building a header unit).
Opts.ModulesLocalVisibility =
- Args.hasArg(OPT_fmodules_local_submodule_visibility) || Opts.ModulesTS;
+ Args.hasArg(OPT_fmodules_local_submodule_visibility) || Opts.ModulesTS ||
+ Opts.CPlusPlusModules;
Opts.ModulesCodegen = Args.hasArg(OPT_fmodules_codegen);
Opts.ModulesDebugInfo = Args.hasArg(OPT_fmodules_debuginfo);
Opts.ModulesSearchAll = Opts.Modules &&