[cfe-commits] r124227 - in /cfe/trunk: include/clang/AST/ASTMutationListener.h include/clang/CodeGen/CodeGenAction.h include/clang/Driver/CC1Options.td include/clang/Frontend/FrontendAction.h include/clang/Frontend/FrontendOptions.h include/clang/Frontend/MultiplexConsumer.h lib/CodeGen/CodeGenAction.cpp lib/Frontend/CompilerInvocation.cpp lib/Frontend/FrontendAction.cpp lib/Frontend/MultiplexConsumer.cpp
Nico Weber
nicolasweber at gmx.de
Tue Jan 25 12:34:14 PST 2011
Author: nico
Date: Tue Jan 25 14:34:14 2011
New Revision: 124227
URL: http://llvm.org/viewvc/llvm-project?rev=124227&view=rev
Log:
Add -add-plugin flag, which runs plugins in addition to codegen.
Added:
cfe/trunk/include/clang/Frontend/MultiplexConsumer.h
cfe/trunk/lib/Frontend/MultiplexConsumer.cpp
Modified:
cfe/trunk/include/clang/AST/ASTMutationListener.h
cfe/trunk/include/clang/CodeGen/CodeGenAction.h
cfe/trunk/include/clang/Driver/CC1Options.td
cfe/trunk/include/clang/Frontend/FrontendAction.h
cfe/trunk/include/clang/Frontend/FrontendOptions.h
cfe/trunk/lib/CodeGen/CodeGenAction.cpp
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
cfe/trunk/lib/Frontend/FrontendAction.cpp
Modified: cfe/trunk/include/clang/AST/ASTMutationListener.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/ASTMutationListener.h?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/ASTMutationListener.h (original)
+++ cfe/trunk/include/clang/AST/ASTMutationListener.h Tue Jan 25 14:34:14 2011
@@ -15,6 +15,7 @@
namespace clang {
class Decl;
+ class DeclContext;
class TagDecl;
class CXXRecordDecl;
class ClassTemplateDecl;
Modified: cfe/trunk/include/clang/CodeGen/CodeGenAction.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/CodeGen/CodeGenAction.h?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/include/clang/CodeGen/CodeGenAction.h (original)
+++ cfe/trunk/include/clang/CodeGen/CodeGenAction.h Tue Jan 25 14:34:14 2011
@@ -18,6 +18,7 @@
}
namespace clang {
+class BackendConsumer;
class CodeGenAction : public ASTFrontendAction {
private:
@@ -42,6 +43,8 @@
/// takeModule - Take the generated LLVM module, for use after the action has
/// been run. The result may be null on failure.
llvm::Module *takeModule();
+
+ BackendConsumer *BEConsumer;
};
class EmitAssemblyAction : public CodeGenAction {
Modified: cfe/trunk/include/clang/Driver/CC1Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/CC1Options.td (original)
+++ cfe/trunk/include/clang/Driver/CC1Options.td Tue Jan 25 14:34:14 2011
@@ -290,10 +290,12 @@
def load : Separate<"-load">, MetaVarName<"<dsopath>">,
HelpText<"Load the named plugin (dynamic shared object)">;
def plugin : Separate<"-plugin">, MetaVarName<"<name>">,
- HelpText<"Use the named plugin action (use \"help\" to list available options)">;
+ HelpText<"Use the named plugin action instead of the default action (use \"help\" to list available options)">;
def plugin_arg : JoinedAndSeparate<"-plugin-arg-">,
MetaVarName<"<name> <arg>">,
HelpText<"Pass <arg> to plugin <name>">;
+def add_plugin : Separate<"-add-plugin">, MetaVarName<"<name>">,
+ HelpText<"Use the named plugin action in addition to the default action">;
def resource_dir : Separate<"-resource-dir">,
HelpText<"The directory which holds the compiler resource files">;
def version : Flag<"-version">,
Modified: cfe/trunk/include/clang/Frontend/FrontendAction.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/FrontendAction.h?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/include/clang/Frontend/FrontendAction.h (original)
+++ cfe/trunk/include/clang/Frontend/FrontendAction.h Tue Jan 25 14:34:14 2011
@@ -52,6 +52,10 @@
CompilerInstance *Instance;
friend class ASTMergeAction;
+private:
+ ASTConsumer* CreateWrappedASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile);
+
protected:
/// @name Implementation Action Interface
/// @{
Modified: cfe/trunk/include/clang/Frontend/FrontendOptions.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/FrontendOptions.h?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/include/clang/Frontend/FrontendOptions.h (original)
+++ cfe/trunk/include/clang/Frontend/FrontendOptions.h Tue Jan 25 14:34:14 2011
@@ -103,6 +103,9 @@
/// Arg to pass to the plugin
std::vector<std::string> PluginArgs;
+ /// The list of plugin actions to run in addition to the normal action.
+ std::vector<std::string> AddPluginActions;
+
/// The list of plugins to load.
std::vector<std::string> Plugins;
Added: cfe/trunk/include/clang/Frontend/MultiplexConsumer.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/MultiplexConsumer.h?rev=124227&view=auto
==============================================================================
--- cfe/trunk/include/clang/Frontend/MultiplexConsumer.h (added)
+++ cfe/trunk/include/clang/Frontend/MultiplexConsumer.h Tue Jan 25 14:34:14 2011
@@ -0,0 +1,54 @@
+//===-- MultiplexConsumer.h - AST Consumer for PCH Generation ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the MultiplexConsumer class, which can be used to
+// multiplex ASTConsumer and SemaConsumer messages to many consumers.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Sema/SemaConsumer.h"
+#include "llvm/ADT/OwningPtr.h"
+#include <vector>
+
+namespace clang {
+
+class MultiplexASTMutationListener;
+class MultiplexASTDeserializationListener;
+
+// Has a list of ASTConsumers and calls each of them. Owns its children.
+class MultiplexConsumer : public SemaConsumer {
+public:
+ // Takes ownership of the pointers in C.
+ MultiplexConsumer(const std::vector<ASTConsumer*>& C);
+ ~MultiplexConsumer();
+
+ // ASTConsumer
+ virtual void Initialize(ASTContext &Context);
+ virtual void HandleTopLevelDecl(DeclGroupRef D);
+ virtual void HandleInterestingDecl(DeclGroupRef D);
+ virtual void HandleTranslationUnit(ASTContext &Ctx);
+ virtual void HandleTagDeclDefinition(TagDecl *D);
+ virtual void CompleteTentativeDefinition(VarDecl *D);
+ virtual void HandleVTable(CXXRecordDecl *RD, bool DefinitionRequired);
+ virtual ASTMutationListener *GetASTMutationListener();
+ virtual ASTDeserializationListener *GetASTDeserializationListener();
+ virtual void PrintStats();
+
+ // SemaConsumer
+ virtual void InitializeSema(Sema &S);
+ virtual void ForgetSema();
+
+ static bool classof(const MultiplexConsumer *) { return true; }
+private:
+ std::vector<ASTConsumer*> Consumers; // Owns these.
+ llvm::OwningPtr<MultiplexASTMutationListener> MutationListener;
+ llvm::OwningPtr<MultiplexASTDeserializationListener> DeserializationListener;
+};
+
+} // end namespace clang
Modified: cfe/trunk/lib/CodeGen/CodeGenAction.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenAction.cpp?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenAction.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenAction.cpp Tue Jan 25 14:34:14 2011
@@ -28,7 +28,7 @@
using namespace clang;
using namespace llvm;
-namespace {
+namespace clang {
class BackendConsumer : public ASTConsumer {
Diagnostic &Diags;
BackendAction Action;
@@ -236,10 +236,7 @@
return;
// Steal the module from the consumer.
- BackendConsumer *Consumer = static_cast<BackendConsumer*>(
- &getCompilerInstance().getASTConsumer());
-
- TheModule.reset(Consumer->takeModule());
+ TheModule.reset(BEConsumer->takeModule());
}
llvm::Module *CodeGenAction::takeModule() {
@@ -274,10 +271,12 @@
if (BA != Backend_EmitNothing && !OS)
return 0;
- return new BackendConsumer(BA, CI.getDiagnostics(),
- CI.getCodeGenOpts(), CI.getTargetOpts(),
- CI.getFrontendOpts().ShowTimers, InFile, OS.take(),
- CI.getLLVMContext());
+ BEConsumer =
+ new BackendConsumer(BA, CI.getDiagnostics(),
+ CI.getCodeGenOpts(), CI.getTargetOpts(),
+ CI.getFrontendOpts().ShowTimers, InFile, OS.take(),
+ CI.getLLVMContext());
+ return BEConsumer;
}
void CodeGenAction::ExecuteAction() {
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Tue Jan 25 14:34:14 2011
@@ -433,6 +433,10 @@
Res.push_back("-load");
Res.push_back(Opts.Plugins[i]);
}
+ for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
+ Res.push_back("-add-plugin");
+ Res.push_back(Opts.AddPluginActions[i]);
+ }
for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
Res.push_back("-ast-merge");
Res.push_back(Opts.ASTMergeFiles[i]);
@@ -1098,6 +1102,8 @@
}
}
+ Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
+
if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
Opts.CodeCompletionAt =
ParsedSourceLocation::FromString(A->getValue(Args));
Modified: cfe/trunk/lib/Frontend/FrontendAction.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/FrontendAction.cpp?rev=124227&r1=124226&r2=124227&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/FrontendAction.cpp (original)
+++ cfe/trunk/lib/Frontend/FrontendAction.cpp Tue Jan 25 14:34:14 2011
@@ -10,11 +10,14 @@
#include "clang/Frontend/FrontendAction.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
+#include "clang/AST/DeclGroup.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Frontend/FrontendPluginRegistry.h"
+#include "clang/Frontend/MultiplexConsumer.h"
#include "clang/Parse/ParseAST.h"
#include "clang/Serialization/ASTDeserializationListener.h"
#include "llvm/Support/MemoryBuffer.h"
@@ -85,6 +88,39 @@
CurrentASTUnit.reset(AST);
}
+ASTConsumer* FrontendAction::CreateWrappedASTConsumer(CompilerInstance &CI,
+ llvm::StringRef InFile) {
+ ASTConsumer* Consumer = CreateASTConsumer(CI, InFile);
+ if (!Consumer)
+ return 0;
+
+ if (CI.getFrontendOpts().AddPluginActions.size() == 0)
+ return Consumer;
+
+ // Make sure the non-plugin consumer is first, so that plugins can't
+ // modifiy the AST.
+ std::vector<ASTConsumer*> Consumers(1, Consumer);
+
+ for (size_t i = 0, e = CI.getFrontendOpts().AddPluginActions.size();
+ i != e; ++i) {
+ // This is O(|plugins| * |add_plugins|), but since both numbers are
+ // way below 50 in practice, that's ok.
+ for (FrontendPluginRegistry::iterator
+ it = FrontendPluginRegistry::begin(),
+ ie = FrontendPluginRegistry::end();
+ it != ie; ++it) {
+ if (it->getName() == CI.getFrontendOpts().AddPluginActions[i]) {
+ llvm::OwningPtr<PluginASTAction> P(it->instantiate());
+ FrontendAction* c = P.get();
+ if (P->ParseArgs(CI, CI.getFrontendOpts().PluginArgs))
+ Consumers.push_back(c->CreateASTConsumer(CI, InFile));
+ }
+ }
+ }
+
+ return new MultiplexConsumer(Consumers);
+}
+
bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
llvm::StringRef Filename,
InputKind InputKind) {
@@ -122,7 +158,7 @@
goto failure;
/// Create the AST consumer.
- CI.setASTConsumer(CreateASTConsumer(CI, Filename));
+ CI.setASTConsumer(CreateWrappedASTConsumer(CI, Filename));
if (!CI.hasASTConsumer())
goto failure;
@@ -166,7 +202,8 @@
if (!usesPreprocessorOnly()) {
CI.createASTContext();
- llvm::OwningPtr<ASTConsumer> Consumer(CreateASTConsumer(CI, Filename));
+ llvm::OwningPtr<ASTConsumer> Consumer(
+ CreateWrappedASTConsumer(CI, Filename));
if (!Consumer)
goto failure;
Added: cfe/trunk/lib/Frontend/MultiplexConsumer.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/MultiplexConsumer.cpp?rev=124227&view=auto
==============================================================================
--- cfe/trunk/lib/Frontend/MultiplexConsumer.cpp (added)
+++ cfe/trunk/lib/Frontend/MultiplexConsumer.cpp Tue Jan 25 14:34:14 2011
@@ -0,0 +1,221 @@
+//===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the MultiplexConsumer class. It also declares and defines
+// MultiplexASTDeserializationListener and MultiplexASTMutationListener, which
+// are implementation details of MultiplexConsumer.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/MultiplexConsumer.h"
+
+#include "clang/AST/ASTMutationListener.h"
+#include "clang/AST/DeclGroup.h"
+#include "clang/Serialization/ASTDeserializationListener.h"
+
+using namespace clang;
+
+namespace clang {
+
+// This ASTDeserializationListener forwards its notifications to a set of
+// child listeners.
+class MultiplexASTDeserializationListener
+ : public ASTDeserializationListener {
+public:
+ // Does NOT take ownership of the elements in L.
+ MultiplexASTDeserializationListener(
+ const std::vector<ASTDeserializationListener*>& L);
+ virtual void ReaderInitialized(ASTReader *Reader);
+ virtual void IdentifierRead(serialization::IdentID ID,
+ IdentifierInfo *II);
+ virtual void TypeRead(serialization::TypeIdx Idx, QualType T);
+ virtual void DeclRead(serialization::DeclID ID, const Decl *D);
+ virtual void SelectorRead(serialization::SelectorID iD, Selector Sel);
+ virtual void MacroDefinitionRead(serialization::MacroID,
+ MacroDefinition *MD);
+private:
+ std::vector<ASTDeserializationListener*> Listeners;
+};
+
+MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
+ const std::vector<ASTDeserializationListener*>& L)
+ : Listeners(L) {
+}
+
+void MultiplexASTDeserializationListener::ReaderInitialized(
+ ASTReader *Reader) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->ReaderInitialized(Reader);
+}
+
+void MultiplexASTDeserializationListener::IdentifierRead(
+ serialization::IdentID ID, IdentifierInfo *II) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->IdentifierRead(ID, II);
+}
+
+void MultiplexASTDeserializationListener::TypeRead(
+ serialization::TypeIdx Idx, QualType T) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->TypeRead(Idx, T);
+}
+
+void MultiplexASTDeserializationListener::DeclRead(
+ serialization::DeclID ID, const Decl *D) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->DeclRead(ID, D);
+}
+
+void MultiplexASTDeserializationListener::SelectorRead(
+ serialization::SelectorID ID, Selector Sel) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->SelectorRead(ID, Sel);
+}
+
+void MultiplexASTDeserializationListener::MacroDefinitionRead(
+ serialization::MacroID ID, MacroDefinition *MD) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->MacroDefinitionRead(ID, MD);
+}
+
+// This ASTMutationListener forwards its notifications to a set of
+// child listeners.
+class MultiplexASTMutationListener : public ASTMutationListener {
+public:
+ // Does NOT take ownership of the elements in L.
+ MultiplexASTMutationListener(const std::vector<ASTMutationListener*>& L);
+ virtual void CompletedTagDefinition(const TagDecl *D);
+ virtual void AddedVisibleDecl(const DeclContext *DC, const Decl *D);
+ virtual void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D);
+ virtual void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
+ const ClassTemplateSpecializationDecl *D);
+private:
+ std::vector<ASTMutationListener*> Listeners;
+};
+
+MultiplexASTMutationListener::MultiplexASTMutationListener(
+ const std::vector<ASTMutationListener*>& L)
+ : Listeners(L) {
+}
+
+void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->CompletedTagDefinition(D);
+}
+
+void MultiplexASTMutationListener::AddedVisibleDecl(
+ const DeclContext *DC, const Decl *D) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->AddedVisibleDecl(DC, D);
+}
+
+void MultiplexASTMutationListener::AddedCXXImplicitMember(
+ const CXXRecordDecl *RD, const Decl *D) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->AddedCXXImplicitMember(RD, D);
+}
+void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
+ const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
+ for (size_t i = 0, e = Listeners.size(); i != e; ++i)
+ Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
+}
+
+} // end namespace clang
+
+
+MultiplexConsumer::MultiplexConsumer(const std::vector<ASTConsumer*>& C)
+ : Consumers(C), MutationListener(0), DeserializationListener(0) {
+ // Collect the mutation listeners and deserialization listeners of all
+ // children, and create a multiplex listener each if so.
+ std::vector<ASTMutationListener*> mutationListeners;
+ std::vector<ASTDeserializationListener*> serializationListeners;
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i) {
+ ASTMutationListener* mutationListener =
+ Consumers[i]->GetASTMutationListener();
+ if (mutationListener)
+ mutationListeners.push_back(mutationListener);
+ ASTDeserializationListener* serializationListener =
+ Consumers[i]->GetASTDeserializationListener();
+ if (serializationListener)
+ serializationListeners.push_back(serializationListener);
+ }
+ if (mutationListeners.size()) {
+ MutationListener.reset(new MultiplexASTMutationListener(mutationListeners));
+ }
+ if (serializationListeners.size()) {
+ DeserializationListener.reset(
+ new MultiplexASTDeserializationListener(serializationListeners));
+ }
+}
+
+MultiplexConsumer::~MultiplexConsumer() {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ delete Consumers[i];
+}
+
+void MultiplexConsumer::Initialize(ASTContext &Context) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->Initialize(Context);
+}
+
+void MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->HandleTopLevelDecl(D);
+}
+
+void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->HandleInterestingDecl(D);
+}
+
+void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->HandleTranslationUnit(Ctx);
+}
+
+void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->HandleTagDeclDefinition(D);
+}
+
+void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->CompleteTentativeDefinition(D);
+}
+
+void MultiplexConsumer::HandleVTable(
+ CXXRecordDecl *RD, bool DefinitionRequired) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->HandleVTable(RD, DefinitionRequired);
+}
+
+ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
+ return MutationListener.get();
+}
+
+ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
+ return DeserializationListener.get();
+}
+
+void MultiplexConsumer::PrintStats() {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ Consumers[i]->PrintStats();
+}
+
+void MultiplexConsumer::InitializeSema(Sema &S) {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumers[i]))
+ SC->InitializeSema(S);
+}
+
+void MultiplexConsumer::ForgetSema() {
+ for (size_t i = 0, e = Consumers.size(); i != e; ++i)
+ if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumers[i]))
+ SC->ForgetSema();
+}
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