jansvoboda11 created this revision.
jansvoboda11 added reviewers: Bigcheese, dexonsmith.
Herald added a subscriber: dang.
jansvoboda11 requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
This patch implements generation of remaining preprocessor options.
Marked as WIP until the round-tripping mechanism gets decided in D94472
<https://reviews.llvm.org/D94472>.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D95366
Files:
clang/include/clang/Driver/Options.td
clang/lib/Frontend/CompilerInvocation.cpp
Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -3017,9 +3017,99 @@
llvm_unreachable("invalid frontend action");
}
-static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
- DiagnosticsEngine &Diags,
- frontend::ActionKind Action) {
+static void GeneratePreprocessorArgs(PreprocessorOptions &Opts,
+ SmallVectorImpl<const char *> &Args,
+ CompilerInvocation::StringAllocator SA,
+ const LangOptions &LangOpts,
+ const FrontendOptions &FrontendOpts,
+ const CodeGenOptions &CodeGenOpts) {
+ PreprocessorOptions *PreprocessorOpts = &Opts;
+
+#define PREPROCESSOR_OPTION_WITH_MARSHALLING( \
+ PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH, \
+ DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER, \
+ MERGER, EXTRACTOR, TABLE_INDEX) \
+ GENERATE_OPTION_WITH_MARSHALLING( \
+ Args, SA, KIND, FLAGS, SPELLING, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE, \
+ IMPLIED_CHECK, IMPLIED_VALUE, DENORMALIZER, EXTRACTOR, TABLE_INDEX)
+#include "clang/Driver/Options.inc"
+#undef PREPROCESSOR_OPTION_WITH_MARSHALLING
+
+ if (Opts.PCHWithHdrStop && !Opts.PCHWithHdrStopCreate)
+ GenerateArg(Args, OPT_pch_through_hdrstop_use, SA);
+
+ for (const auto &D : Opts.DeserializedPCHDeclsToErrorOn)
+ GenerateArg(Args, OPT_error_on_deserialized_pch_decl, D, SA);
+
+ for (const auto &MP : Opts.MacroPrefixMap)
+ GenerateArg(Args, OPT_fmacro_prefix_map_EQ, MP.first + "=" + MP.second, SA);
+
+ if (Opts.PrecompiledPreambleBytes != std::make_pair(0u, false))
+ GenerateArg(Args, OPT_preamble_bytes_EQ,
+ Twine(Opts.PrecompiledPreambleBytes.first) + "," +
+ (Opts.PrecompiledPreambleBytes.second ? "1" : "0"),
+ SA);
+
+ for (const auto &M : Opts.Macros) {
+ // Don't generate __CET__ macro definitions. They are implied by the
+ // -fcf-protection option that is generated elsewhere.
+
+ if (M.first == "__CET__=1" && !M.second &&
+ !CodeGenOpts.CFProtectionReturn && CodeGenOpts.CFProtectionBranch)
+ continue;
+
+ if (M.first == "__CET__=2" && !M.second && CodeGenOpts.CFProtectionReturn &&
+ !CodeGenOpts.CFProtectionBranch)
+ continue;
+
+ if (M.first == "__CET__=3" && !M.second && CodeGenOpts.CFProtectionReturn &&
+ CodeGenOpts.CFProtectionBranch)
+ continue;
+
+ GenerateArg(Args, M.second ? OPT_U : OPT_D, M.first, SA);
+ }
+
+ for (const auto &I : Opts.Includes) {
+ // Don't generate OpenCL includes. They are implied by other flags that are
+ // generated elsewhere.
+ if (LangOpts.OpenCL && LangOpts.IncludeDefaultHeader &&
+ ((LangOpts.DeclareOpenCLBuiltins && I == "opencl-c-base.h") ||
+ I == "opencl-c.h"))
+ continue;
+
+ GenerateArg(Args, OPT_include, I, SA);
+ }
+
+ for (const auto &CI : Opts.ChainedIncludes)
+ GenerateArg(Args, OPT_chain_include, CI, SA);
+
+ for (const auto &RF : Opts.RemappedFiles)
+ GenerateArg(Args, OPT_remap_file, RF.first + ";" + RF.second, SA);
+
+ // Don't handle LexEditorPlaceholders. It is implied by the action that is
+ // generated elsewhere.
+}
+
+static void ParsePreprocessorArgsImpl(PreprocessorOptions &Opts, ArgList &Args,
+ DiagnosticsEngine &Diags,
+ frontend::ActionKind Action,
+ const FrontendOptions &FrontendOpts) {
+ PreprocessorOptions *PreprocessorOpts = &Opts;
+ bool Success = true;
+
+#define PREPROCESSOR_OPTION_WITH_MARSHALLING( \
+ PREFIX_TYPE, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES, SPELLING, SHOULD_PARSE, ALWAYS_EMIT, KEYPATH, \
+ DEFAULT_VALUE, IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, DENORMALIZER, \
+ MERGER, EXTRACTOR, TABLE_INDEX) \
+ PARSE_OPTION_WITH_MARSHALLING(Args, Diags, Success, ID, FLAGS, PARAM, \
+ SHOULD_PARSE, KEYPATH, DEFAULT_VALUE, \
+ IMPLIED_CHECK, IMPLIED_VALUE, NORMALIZER, \
+ MERGER, TABLE_INDEX)
+#include "clang/Driver/Options.inc"
+#undef PREPROCESSOR_OPTION_WITH_MARSHALLING
+
Opts.PCHWithHdrStop = Args.hasArg(OPT_pch_through_hdrstop_create) ||
Args.hasArg(OPT_pch_through_hdrstop_use);
@@ -3092,6 +3182,33 @@
Opts.LexEditorPlaceholders = false;
}
+static void ParsePreprocessorArgs(CompilerInvocation &Res,
+ PreprocessorOptions &Opts, ArgList &Args,
+ DiagnosticsEngine &Diags,
+ frontend::ActionKind Action,
+ FrontendOptions &FrontendOpts) {
+ auto Temp = std::make_shared<PreprocessorOptions>();
+
+ auto Parse = [&Diags, Action](CompilerInvocation &Res, ArgList &Args) {
+ ParsePreprocessorArgsImpl(Res.getPreprocessorOpts(), Args, Diags, Action,
+ Res.getFrontendOpts());
+ };
+
+ auto Generate = [](CompilerInvocation &Res,
+ SmallVectorImpl<const char *> &Args,
+ CompilerInvocation::StringAllocator SA) {
+ GeneratePreprocessorArgs(Res.getPreprocessorOpts(), Args, SA,
+ *Res.getLangOpts(), Res.getFrontendOpts(),
+ Res.getCodeGenOpts());
+ };
+
+ auto Swap = [&Temp](CompilerInvocation &Res) {
+ std::swap(Res.PreprocessorOpts, Temp);
+ };
+
+ RoundTrip(Parse, Generate, Swap, Res, Args);
+}
+
static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
ArgList &Args,
frontend::ActionKind Action) {
@@ -3217,8 +3334,9 @@
!LangOpts.Sanitize.has(SanitizerKind::Memory) &&
!LangOpts.Sanitize.has(SanitizerKind::KernelMemory);
- ParsePreprocessorArgs(Res.getPreprocessorOpts(), Args, Diags,
- Res.getFrontendOpts().ProgramAction);
+ ParsePreprocessorArgs(Res, Res.getPreprocessorOpts(), Args, Diags,
+ Res.getFrontendOpts().ProgramAction,
+ Res.getFrontendOpts());
ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), Args,
Res.getFrontendOpts().ProgramAction);
@@ -3378,6 +3496,8 @@
#undef DIAG_OPTION_WITH_MARSHALLING
#undef OPTION_WITH_MARSHALLING
+ GeneratePreprocessorArgs(*PreprocessorOpts, Args, SA, *LangOpts,
+ FrontendOpts, CodeGenOpts);
GenerateHeaderSearchArgs(*HeaderSearchOpts, Args, SA);
GenerateLangArgs(*LangOpts, Args, SA);
}
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -258,7 +258,7 @@
class HeaderSearchOpts<string base>
: KeyPathAndMacro<"HeaderSearchOpts->", base, "HEADER_SEARCH_"> {}
class PreprocessorOpts<string base>
- : KeyPathAndMacro<"PreprocessorOpts->", base> {}
+ : KeyPathAndMacro<"PreprocessorOpts->", base, "PREPROCESSOR_"> {}
class FileSystemOpts<string base>
: KeyPathAndMacro<"FileSystemOpts.", base> {}
class AnalyzerOpts<string base>
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