Frontend: Add support (unused) for showing all "interesting" headers, not just
ones outside the predefines buffer (which is what -H does).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124749 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/HeaderIncludeGen.cpp b/lib/Frontend/HeaderIncludeGen.cpp
index f29e8f1..480a97d 100644
--- a/lib/Frontend/HeaderIncludeGen.cpp
+++ b/lib/Frontend/HeaderIncludeGen.cpp
@@ -10,40 +10,28 @@
#include "clang/Frontend/Utils.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Lex/Preprocessor.h"
-/*
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Frontend/PreprocessorOutputOptions.h"
-#include "clang/Lex/MacroInfo.h"
-#include "clang/Lex/PPCallbacks.h"
-#include "clang/Lex/Pragma.h"
-#include "clang/Lex/TokenConcatenation.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Config/config.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstdio>
-*/
using namespace clang;
namespace {
class HeaderIncludesCallback : public PPCallbacks {
SourceManager &SM;
unsigned CurrentIncludeDepth;
+ bool ShowAllHeaders;
bool HasProcessedPredefines;
public:
- HeaderIncludesCallback(const Preprocessor *PP)
+ HeaderIncludesCallback(const Preprocessor *PP, bool ShowAllHeaders_)
: SM(PP->getSourceManager()), CurrentIncludeDepth(0),
- HasProcessedPredefines(false) {}
+ ShowAllHeaders(ShowAllHeaders_), HasProcessedPredefines(false) {}
virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
SrcMgr::CharacteristicKind FileType);
};
}
-void clang::AttachHeaderIncludeGen(Preprocessor &PP) {
- PP.addPPCallbacks(new HeaderIncludesCallback(&PP));
+void clang::AttachHeaderIncludeGen(Preprocessor &PP, bool ShowAllHeaders,
+ llvm::StringRef OutputPath) {
+ PP.addPPCallbacks(new HeaderIncludesCallback(&PP, ShowAllHeaders));
}
void HeaderIncludesCallback::FileChanged(SourceLocation Loc,
@@ -67,9 +55,16 @@
if (CurrentIncludeDepth == 0 && !HasProcessedPredefines)
HasProcessedPredefines = true;
}
-
- // Dump the header include information we are past the predefines buffer.
- if (HasProcessedPredefines && Reason == PPCallbacks::EnterFile) {
+
+ // Show the header if we are (a) past the predefines, or (b) showing all
+ // headers and in the predefines at a depth past the initial file and command
+ // line buffers.
+ bool ShowHeader = (HasProcessedPredefines ||
+ (ShowAllHeaders && CurrentIncludeDepth > 2));
+
+ // Dump the header include information we are past the predefines buffer or
+ // are showing all headers.
+ if (ShowHeader && Reason == PPCallbacks::EnterFile) {
// Write to a temporary string to avoid unnecessary flushing on errs().
llvm::SmallString<512> Filename(UserLoc.getFilename());
Lexer::Stringify(Filename);