Fix a crash when relexing the underlying memory buffer to find incorrect
arguments to NSLocalizedString(). With precompiled headers, the raw
buffer may be NULL. Instead, use the source manager to get the buffer,
which will lazily create the buffer for precompiled headers.
rdar://problem/
27429091
llvm-svn: 280174
void EmptyLocalizationContextChecker::MethodCrawler::VisitObjCMessageExpr(
const ObjCMessageExpr *ME) {
+ // FIXME: We may be able to use PPCallbacks to check for empy context
+ // comments as part of preprocessing and avoid this re-lexing hack.
const ObjCInterfaceDecl *OD = ME->getReceiverInterface();
if (!OD)
return;
SE = Mgr.getSourceManager().getSLocEntry(SLInfo.first);
}
- llvm::MemoryBuffer *BF = SE.getFile().getContentCache()->getRawBuffer();
+ bool Invalid = false;
+ llvm::MemoryBuffer *BF =
+ Mgr.getSourceManager().getBuffer(SLInfo.first, SL, &Invalid);
+ if (Invalid)
+ return;
+
Lexer TheLexer(SL, LangOptions(), BF->getBufferStart(),
BF->getBufferStart() + SLInfo.second, BF->getBufferEnd());
--- /dev/null
+// Used to test missing checker for missing localization context comments
+// in precompiled headers.
+
+#define MyLocalizedStringInPCH(key) NSLocalizedString((key), @"")
+
-// RUN: %clang_cc1 -analyze -fblocks -analyzer-store=region -analyzer-checker=optin.osx.cocoa.localizability.NonLocalizedStringChecker -analyzer-checker=optin.osx.cocoa.localizability.EmptyLocalizationContextChecker -verify -analyzer-config AggressiveReport=true %s
+// RUN: %clang_cc1 -fblocks -x objective-c-header -emit-pch -o %t.pch %S/Inputs/localization-pch.h
+
+// RUN: %clang_cc1 -analyze -fblocks -analyzer-store=region -analyzer-checker=optin.osx.cocoa.localizability.NonLocalizedStringChecker -analyzer-checker=optin.osx.cocoa.localizability.EmptyLocalizationContextChecker -include-pch %t.pch -verify -analyzer-config AggressiveReport=true %s
// These declarations were reduced using Delta-Debugging from Foundation.h
// on Mac OS X.
NSString *string3 = NSLocalizedString((0 ? @"Critical" : @"Current"),nil); // expected-warning {{Localized string macro should include a non-empty comment for translators}}
}
+- (void)testMacroExpansionDefinedInPCH {
+ NSString *string = MyLocalizedStringInPCH(@"Hello"); // expected-warning {{Localized string macro should include a non-empty comment for translators}}
+}
+
#define KCLocalizedString(x,comment) NSLocalizedString(x, comment)
#define POSSIBLE_FALSE_POSITIVE(s,other) KCLocalizedString(s,@"Comment")