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Print the module format in clang -module-file-info. 

llvm-svn: 279005
This commit is contained in:
Adrian Prantl 2016-08-17 23:14:00 +00:00
parent 576b2dbec5
commit 99e765b4f8
2 changed files with 11 additions and 2 deletions
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9
clang/lib/Frontend/FrontendActions.cpp
View File

@ -615,14 +615,19 @@ void DumpModuleInfoAction::ExecuteAction() {
llvm::raw_ostream &Out = OutFile.get()? *OutFile.get() : llvm::outs();
Out << "Information for module file '" << getCurrentFile() << "':\n";
auto &FileMgr = getCompilerInstance().getFileManager();
auto Buffer = FileMgr.getBufferForFile(getCurrentFile());
StringRef Magic = (*Buffer)->getMemBufferRef().getBuffer();
bool IsRaw = (Magic.size() >= 4 && Magic[0] == 'C' && Magic[1] == 'P' &&
Magic[2] == 'C' && Magic[3] == 'H');
Out << " Module format: " << (IsRaw ? "raw" : "obj") << "\n";
Preprocessor &PP = getCompilerInstance().getPreprocessor();
DumpModuleInfoListener Listener(Out);
HeaderSearchOptions &HSOpts =
PP.getHeaderSearchInfo().getHeaderSearchOpts();
ASTReader::readASTFileControlBlock(
getCurrentFile(), getCompilerInstance().getFileManager(),
getCompilerInstance().getPCHContainerReader(),
getCurrentFile(), FileMgr, getCompilerInstance().getPCHContainerReader(),
/*FindModuleFileExtensions=*/true, Listener,
HSOpts.ModulesValidateDiagnosticOptions);
}

4
clang/test/Modules/module_file_info.m
View File

@ -4,10 +4,14 @@
// RUN: rm -rf %t %t-obj
// RUN: %clang_cc1 -w -Wunused -fmodules -fmodule-format=raw -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t -F %S/Inputs -DBLARG -DWIBBLE=WOBBLE -fmodule-feature myfeature %s
// RUN: %clang_cc1 -module-file-info %t/DependsOnModule.pcm | FileCheck %s
// RUN: %clang_cc1 -module-file-info %t/DependsOnModule.pcm | FileCheck %s --check-prefix=RAW
// RUN: %clang_cc1 -w -Wunused -fmodules -fmodule-format=obj -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t-obj -F %S/Inputs -DBLARG -DWIBBLE=WOBBLE -fmodule-feature myfeature %s
// RUN: %clang_cc1 -module-file-info %t-obj/DependsOnModule.pcm | FileCheck %s
// RUN: %clang_cc1 -module-file-info %t-obj/DependsOnModule.pcm | FileCheck %s --check-prefix=OBJ
// RAW: Module format: raw
// OBJ: Module format: obj
// CHECK: Generated by this Clang:
// CHECK: Module name: DependsOnModule