For the FileChanged Preprocessor callback, when exiting a file, pass its FileID.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141681 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Lex/PPCallbacks.h b/include/clang/Lex/PPCallbacks.h
index 9273d19b9c3d9451233db4a4ecec88804e4f5c88..68684acbf752095c69c3d7f8fe458f9d79e85137 100644 (file)
--- a/include/clang/Lex/PPCallbacks.h
+++ b/include/clang/Lex/PPCallbacks.h
@@ -42,8 +42,11 @@ public:
   /// EnteringFile indicates whether this is because we are entering a new
   /// #include'd file (when true) or whether we're exiting one because we ran
   /// off the end (when false).
+  ///
+  /// \param PrevFID the file that was exited if \arg Reason is ExitFile. 
   virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
-                           SrcMgr::CharacteristicKind FileType) {
+                           SrcMgr::CharacteristicKind FileType,
+                           FileID PrevFID = FileID()) {
   }
 
   /// FileSkipped - This callback is invoked whenever a source file is
@@ -211,9 +214,10 @@ public:
   }
 
   virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
-                           SrcMgr::CharacteristicKind FileType) {
-    First->FileChanged(Loc, Reason, FileType);
-    Second->FileChanged(Loc, Reason, FileType);
+                           SrcMgr::CharacteristicKind FileType,
+                           FileID PrevFID) {
+    First->FileChanged(Loc, Reason, FileType, PrevFID);
+    Second->FileChanged(Loc, Reason, FileType, PrevFID);
   }
 
   virtual void FileSkipped(const FileEntry &ParentFile,

diff --git a/lib/Frontend/DependencyFile.cpp b/lib/Frontend/DependencyFile.cpp
index db43ab9bbe11a163e6e3ca035dc28c0fe6b29988..ff3a12392c9f8f9660cfcfd5e53906d44f995899 100644 (file)
--- a/lib/Frontend/DependencyFile.cpp
+++ b/lib/Frontend/DependencyFile.cpp
@@ -52,7 +52,8 @@ public:
       AddMissingHeaderDeps(Opts.AddMissingHeaderDeps) {}
 
   virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
-                           SrcMgr::CharacteristicKind FileType);
+                           SrcMgr::CharacteristicKind FileType,
+                           FileID PrevFID);
   virtual void InclusionDirective(SourceLocation HashLoc,
                                   const Token &IncludeTok,
                                   StringRef FileName,
@@ -107,7 +108,8 @@ bool DependencyFileCallback::FileMatchesDepCriteria(const char *Filename,
 
 void DependencyFileCallback::FileChanged(SourceLocation Loc,
                                          FileChangeReason Reason,
-                                         SrcMgr::CharacteristicKind FileType) {
+                                         SrcMgr::CharacteristicKind FileType,
+                                         FileID PrevFID) {
   if (Reason != PPCallbacks::EnterFile)
     return;
 

diff --git a/lib/Frontend/HeaderIncludeGen.cpp b/lib/Frontend/HeaderIncludeGen.cpp
index 283239dde028cd410a6b5d09807176ff0260660f..3b41d894ec507158e71610e7cf91652eb2c37a28 100644 (file)
--- a/lib/Frontend/HeaderIncludeGen.cpp
+++ b/lib/Frontend/HeaderIncludeGen.cpp
@@ -39,7 +39,8 @@ public:
   }
 
   virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
-                           SrcMgr::CharacteristicKind FileType);
+                           SrcMgr::CharacteristicKind FileType,
+                           FileID PrevFID);
 };
 }
 
@@ -72,7 +73,8 @@ void clang::AttachHeaderIncludeGen(Preprocessor &PP, bool ShowAllHeaders,
 
 void HeaderIncludesCallback::FileChanged(SourceLocation Loc,
                                          FileChangeReason Reason,
-                                       SrcMgr::CharacteristicKind NewFileType) {
+                                       SrcMgr::CharacteristicKind NewFileType,
+                                       FileID PrevFID) {
   // Unless we are exiting a #include, make sure to skip ahead to the line the
   // #include directive was at.
   PresumedLoc UserLoc = SM.getPresumedLoc(Loc);

diff --git a/lib/Frontend/PrintPreprocessedOutput.cpp b/lib/Frontend/PrintPreprocessedOutput.cpp
index 18c8099644b4b85776792e876dc4bf0e4ffd05c2..8a61f968e67f433680b61a53a2216a3d3c82f473 100644 (file)
--- a/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -118,7 +118,8 @@ public:
   bool StartNewLineIfNeeded();
   
   virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
-                           SrcMgr::CharacteristicKind FileType);
+                           SrcMgr::CharacteristicKind FileType,
+                           FileID PrevFID);
   virtual void Ident(SourceLocation Loc, const std::string &str);
   virtual void PragmaComment(SourceLocation Loc, const IdentifierInfo *Kind,
                              const std::string &Str);
@@ -235,7 +236,8 @@ bool PrintPPOutputPPCallbacks::StartNewLineIfNeeded() {
 /// position.
 void PrintPPOutputPPCallbacks::FileChanged(SourceLocation Loc,
                                            FileChangeReason Reason,
-                                       SrcMgr::CharacteristicKind NewFileType) {
+                                       SrcMgr::CharacteristicKind NewFileType,
+                                       FileID PrevFID) {
   // Unless we are exiting a #include, make sure to skip ahead to the line the
   // #include directive was at.
   SourceManager &SourceMgr = SM;

diff --git a/lib/Lex/PPLexerChange.cpp b/lib/Lex/PPLexerChange.cpp
index 8ba2df9b03691c1a4a085f7fbf961b2212026a17..25a98ae47b6e3538d7d8e92496a0569d44b0c933 100644 (file)
--- a/lib/Lex/PPLexerChange.cpp
+++ b/lib/Lex/PPLexerChange.cpp
@@ -256,6 +256,10 @@ bool Preprocessor::HandleEndOfFile(Token &Result, bool isEndOfMacro) {
       SourceMgr.setNumCreatedFIDsForFileID(CurPPLexer->getFileID(), NumFIDs);
     }
 
+    FileID ExitedFID;
+    if (Callbacks && !isEndOfMacro && CurPPLexer)
+      ExitedFID = CurPPLexer->getFileID();
+    
     // We're done with the #included file.
     RemoveTopOfLexerStack();
 
@@ -264,7 +268,7 @@ bool Preprocessor::HandleEndOfFile(Token &Result, bool isEndOfMacro) {
       SrcMgr::CharacteristicKind FileType =
         SourceMgr.getFileCharacteristic(CurPPLexer->getSourceLocation());
       Callbacks->FileChanged(CurPPLexer->getSourceLocation(),
-                             PPCallbacks::ExitFile, FileType);
+                             PPCallbacks::ExitFile, FileType, ExitedFID);
     }
 
     // Client should lex another token.