add an accessor.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64760 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h
index fcdd834..269d7cd 100644
--- a/include/clang/Basic/SourceManager.h
+++ b/include/clang/Basic/SourceManager.h
@@ -533,6 +533,11 @@
unsigned getInstantiationLineNumber(SourceLocation Loc) const;
unsigned getSpellingLineNumber(SourceLocation Loc) const;
+ /// Return the filename or buffer identifier of the buffer the location is in.
+ /// Note that this name does not respect #line directives. Use getPresumedLoc
+ /// for normal clients.
+ const char *getBufferName(SourceLocation Loc) const;
+
/// getFileCharacteristic - return the file characteristic of the specified
/// source location, indicating whether this is a normal file, a system
/// header, or an "implicit extern C" system header.
@@ -552,8 +557,6 @@
/// of an instantiation location, not at the spelling location.
PresumedLoc getPresumedLoc(SourceLocation Loc) const;
-
-
/// isFromSameFile - Returns true if both SourceLocations correspond to
/// the same file.
bool isFromSameFile(SourceLocation Loc1, SourceLocation Loc2) const {
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index 3f65227..2b581bb 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -857,6 +857,15 @@
return Entry->FileKind;
}
+/// Return the filename or buffer identifier of the buffer the location is in.
+/// Note that this name does not respect #line directives. Use getPresumedLoc
+/// for normal clients.
+const char *SourceManager::getBufferName(SourceLocation Loc) const {
+ if (Loc.isInvalid()) return "<invalid loc>";
+
+ return getBuffer(getFileID(Loc))->getBufferIdentifier();
+}
+
/// getPresumedLoc - This method returns the "presumed" location of a
/// SourceLocation specifies. A "presumed location" can be modified by #line