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-rw-r--r--clang/include/clang/Basic/Module.h31
-rw-r--r--clang/lib/Basic/Module.cpp2
-rw-r--r--clang/lib/Frontend/FrontendAction.cpp2
-rw-r--r--clang/lib/Lex/ModuleMap.cpp21
-rw-r--r--clang/lib/Serialization/ASTWriter.cpp4
5 files changed, 39 insertions, 21 deletions
diff --git a/clang/include/clang/Basic/Module.h b/clang/include/clang/Basic/Module.h
index 9c5d33f..1ab3b5e 100644
--- a/clang/include/clang/Basic/Module.h
+++ b/clang/include/clang/Basic/Module.h
@@ -253,8 +253,6 @@ public:
HK_PrivateTextual,
HK_Excluded
};
- static const int NumHeaderKinds = HK_Excluded + 1;
-
/// Information about a header directive as found in the module map
/// file.
struct Header {
@@ -263,17 +261,36 @@ public:
FileEntryRef Entry;
};
- /// Information about a directory name as found in the module map
- /// file.
+private:
+ static const int NumHeaderKinds = HK_Excluded + 1;
+ // The begin index for a HeaderKind also acts the end index of HeaderKind - 1.
+ // The extra element at the end acts as the end index of the last HeaderKind.
+ unsigned HeaderKindBeginIndex[NumHeaderKinds + 1] = {};
+ SmallVector<Header, 2> HeadersStorage;
+
+public:
+ ArrayRef<Header> getAllHeaders() const { return HeadersStorage; }
+ ArrayRef<Header> getHeaders(HeaderKind HK) const {
+ assert(HK < NumHeaderKinds && "Invalid Module::HeaderKind");
+ auto BeginIt = HeadersStorage.begin() + HeaderKindBeginIndex[HK];
+ auto EndIt = HeadersStorage.begin() + HeaderKindBeginIndex[HK + 1];
+ return {BeginIt, EndIt};
+ }
+ void addHeader(HeaderKind HK, Header H) {
+ assert(HK < NumHeaderKinds && "Invalid Module::HeaderKind");
+ auto EndIt = HeadersStorage.begin() + HeaderKindBeginIndex[HK + 1];
+ HeadersStorage.insert(EndIt, std::move(H));
+ for (unsigned HKI = HK + 1; HKI != NumHeaderKinds + 1; ++HKI)
+ ++HeaderKindBeginIndex[HKI];
+ }
+
+ /// Information about a directory name as found in the module map file.
struct DirectoryName {
std::string NameAsWritten;
std::string PathRelativeToRootModuleDirectory;
DirectoryEntryRef Entry;
};
- /// The headers that are part of this module.
- SmallVector<Header, 2> Headers[5];
-
/// Stored information about a header directive that was found in the
/// module map file but has not been resolved to a file.
struct UnresolvedHeaderDirective {
diff --git a/clang/lib/Basic/Module.cpp b/clang/lib/Basic/Module.cpp
index ad52fcc..a7a3f6b 100644
--- a/clang/lib/Basic/Module.cpp
+++ b/clang/lib/Basic/Module.cpp
@@ -528,7 +528,7 @@ void Module::print(raw_ostream &OS, unsigned Indent, bool Dump) const {
for (auto &K : Kinds) {
assert(&K == &Kinds[K.Kind] && "kinds in wrong order");
- for (auto &H : Headers[K.Kind]) {
+ for (auto &H : getHeaders(K.Kind)) {
OS.indent(Indent + 2);
OS << K.Prefix << "header \"";
OS.write_escaped(H.NameAsWritten);
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 81eea9c4..8264bd70 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -358,7 +358,7 @@ static std::error_code collectModuleHeaderIncludes(
// Add includes for each of these headers.
for (auto HK : {Module::HK_Normal, Module::HK_Private}) {
- for (Module::Header &H : Module->Headers[HK]) {
+ for (const Module::Header &H : Module->getHeaders(HK)) {
Module->addTopHeader(H.Entry);
// Use the path as specified in the module map file. We'll look for this
// file relative to the module build directory (the directory containing
diff --git a/clang/lib/Lex/ModuleMap.cpp b/clang/lib/Lex/ModuleMap.cpp
index 0a02a63..bc76a54 100644
--- a/clang/lib/Lex/ModuleMap.cpp
+++ b/clang/lib/Lex/ModuleMap.cpp
@@ -472,12 +472,12 @@ static bool violatesPrivateInclude(Module *RequestingModule,
// as obtained from the lookup and as obtained from the module.
// This check is not cheap, so enable it only for debugging.
bool IsPrivate = false;
- SmallVectorImpl<Module::Header> *HeaderList[] = {
- &Header.getModule()->Headers[Module::HK_Private],
- &Header.getModule()->Headers[Module::HK_PrivateTextual]};
- for (auto *Hs : HeaderList)
+ ArrayRef<Module::Header> HeaderList[] = {
+ Header.getModule()->getHeaders(Module::HK_Private),
+ Header.getModule()->getHeaders(Module::HK_PrivateTextual)};
+ for (auto Hs : HeaderList)
IsPrivate |= llvm::any_of(
- *Hs, [&](const Module::Header &H) { return H.Entry == IncFileEnt; });
+ Hs, [&](const Module::Header &H) { return H.Entry == IncFileEnt; });
assert(IsPrivate && "inconsistent headers and roles");
}
#endif
@@ -1296,27 +1296,28 @@ void ModuleMap::addHeader(Module *Mod, Module::Header Header,
ModuleHeaderRole Role, bool Imported) {
KnownHeader KH(Mod, Role);
+ FileEntryRef HeaderEntry = Header.Entry;
+
// Only add each header to the headers list once.
// FIXME: Should we diagnose if a header is listed twice in the
// same module definition?
- auto &HeaderList = Headers[Header.Entry];
+ auto &HeaderList = Headers[HeaderEntry];
if (llvm::is_contained(HeaderList, KH))
return;
HeaderList.push_back(KH);
- Mod->Headers[headerRoleToKind(Role)].push_back(Header);
+ Mod->addHeader(headerRoleToKind(Role), std::move(Header));
bool isCompilingModuleHeader = Mod->isForBuilding(LangOpts);
if (!Imported || isCompilingModuleHeader) {
// When we import HeaderFileInfo, the external source is expected to
// set the isModuleHeader flag itself.
- HeaderInfo.MarkFileModuleHeader(Header.Entry, Role,
- isCompilingModuleHeader);
+ HeaderInfo.MarkFileModuleHeader(HeaderEntry, Role, isCompilingModuleHeader);
}
// Notify callbacks that we just added a new header.
for (const auto &Cb : Callbacks)
- Cb->moduleMapAddHeader(Header.Entry.getName());
+ Cb->moduleMapAddHeader(HeaderEntry.getName());
}
FileID ModuleMap::getContainingModuleMapFileID(const Module *Module) const {
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 4948902..b576822 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -3070,9 +3070,9 @@ void ASTWriter::WriteSubmodules(Module *WritingModule) {
Module::HK_PrivateTextual},
{SUBMODULE_EXCLUDED_HEADER, ExcludedHeaderAbbrev, Module::HK_Excluded}
};
- for (auto &HL : HeaderLists) {
+ for (const auto &HL : HeaderLists) {
RecordData::value_type Record[] = {HL.RecordKind};
- for (auto &H : Mod->Headers[HL.HeaderKind])
+ for (const auto &H : Mod->getHeaders(HL.HeaderKind))
Stream.EmitRecordWithBlob(HL.Abbrev, Record, H.NameAsWritten);
}
generated by cgit v1.1 at 2025-08-03 19:55:35 +0000