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When remapping a virtual file, also make an entry for the file with

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its absolute path on disk. Also, introduce a fun test for the
precompiled preamble, which almost works...

llvm-svn: 109470
This commit is contained in:
Douglas Gregor 2010-07-26 23:54:23 +00:00
parent c698417e52
commit 81c000fb6d
4 changed files with 30 additions and 0 deletions
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12
clang/lib/Basic/FileManager.cpp
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@ -365,6 +365,18 @@ FileManager::getVirtualFile(llvm::StringRef Filename, off_t Size,
UFE->ModTime = ModificationTime;
UFE->Dir = DirInfo;
UFE->UID = NextFileUID++;
// If this virtual file resolves to a file, also map that file to the
// newly-created file entry.
const char *InterndFileName = NamedFileEnt.getKeyData();
struct stat StatBuf;
if (!stat_cached(InterndFileName, &StatBuf) &&
!S_ISDIR(StatBuf.st_mode)) {
llvm::sys::Path FilePath(InterndFileName);
FilePath.makeAbsolute();
FileEntries[FilePath.str()] = UFE;
}
return UFE;
}

1
clang/test/Index/Inputs/preamble.h Normal file
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@ -0,0 +1 @@
int bar(int);

4
clang/test/Index/Inputs/prefix.h Normal file
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@ -0,0 +1,4 @@
#ifndef PREFIX_H
#define PREFIX_H
int foo(int);
#endif

13
clang/test/Index/preamble.c Normal file
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@ -0,0 +1,13 @@
#include "prefix.h"
#include "preamble.h"
int wibble(int);
// FIXME: Turn on use of preamble files
// RUN: %clang -x c-header -o %t.pch %S/Inputs/prefix.h
// RUN: c-index-test -test-load-source-reparse 5 local -I %S/Inputs -include %t %s | FileCheck %s
// CHECK: preamble.h:1:5: FunctionDecl=bar:1:5 Extent=[1:5 - 1:13]
// CHECK: preamble.h:1:12: ParmDecl=:1:12 (Definition) Extent=[1:9 - 1:13]
// CHECK: preamble.c:3:5: FunctionDecl=wibble:3:5 Extent=[3:5 - 3:16]
// CHECK: preamble.c:3:15: ParmDecl=:3:15 (Definition) Extent=[3:12 - 3:16]