[cfe-commits] r74214 - /cfe/trunk/tools/index-test/index-test.cpp

[Argiris Kirtzidis]

Author: akirtzidis
Date: Thu Jun 25 17:15:12 2009
New Revision: 74214

URL: http://llvm.org/viewvc/llvm-project?rev=74214&view=rev
Log:
Check that index-test uses an up-to-date AST file.

Modified:
    cfe/trunk/tools/index-test/index-test.cpp

Modified: cfe/trunk/tools/index-test/index-test.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/index-test/index-test.cpp?rev=74214&r1=74213&r2=74214&view=diff

==============================================================================
--- cfe/trunk/tools/index-test/index-test.cpp (original)
+++ cfe/trunk/tools/index-test/index-test.cpp Thu Jun 25 17:15:12 2009
@@ -88,6 +88,18 @@
   if (!PointAtLocation.empty()) {
     const std::string &Filename = PointAtLocation[0].FileName;
     const FileEntry *File = FileMgr.getFile(Filename);
+
+    // Safety check. Using an out-of-date AST file will only lead to crashes
+    // or incorrect results.
+    // FIXME: Check all the source files that make up the AST file.
+    const FileEntry *ASTFile = FileMgr.getFile(InFile);
+    if (File->getModificationTime() > ASTFile->getModificationTime()) {
+      llvm::errs() << "[" << InFile << "] Error: " <<
+        "Pointing at a source file which was modified after creating "
+        "the AST file\n";
+      return 1;
+    }
+
     if (File == 0) {
       llvm::errs() << "File '" << Filename << "' does not exist\n";
       return 1;