+ /// DILexicalBlockFile - This is a wrapper for a lexical block with
+ /// a filename change.
+ class DILexicalBlockFile : public DIScope {
+ public:
+ explicit DILexicalBlockFile(const MDNode *N = 0) : DIScope(N) {}
+ DIScope getContext() const { return getScope().getContext(); }
+ unsigned getLineNumber() const { return getScope().getLineNumber(); }
+ unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
+ StringRef getDirectory() const {
+ StringRef dir = getFieldAs<DIFile>(2).getDirectory();
+ return !dir.empty() ? dir : getContext().getDirectory();
+ }
+ StringRef getFilename() const {
+ StringRef filename = getFieldAs<DIFile>(2).getFilename();
+ assert(!filename.empty() && "Why'd you create this then?");
+ return filename;
+ }
+ DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(1); }
+ };
+