[cfe-commits] r94769 - /cfe/trunk/tools/CIndex/CIndex.cpp
Douglas Gregor
dgregor at apple.com
Thu Jan 28 16:47:48 PST 2010
Author: dgregor
Date: Thu Jan 28 18:47:48 2010
New Revision: 94769
URL: http://llvm.org/viewvc/llvm-project?rev=94769&view=rev
Log:
Harden the CIndex implementation a bit, so that it does not assert
when given bad inputs.
Modified:
cfe/trunk/tools/CIndex/CIndex.cpp
Modified: cfe/trunk/tools/CIndex/CIndex.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/CIndex/CIndex.cpp?rev=94769&r1=94768&r2=94769&view=diff
==============================================================================
--- cfe/trunk/tools/CIndex/CIndex.cpp (original)
+++ cfe/trunk/tools/CIndex/CIndex.cpp Thu Jan 28 18:47:48 2010
@@ -286,7 +286,10 @@
// Move the end of the input range to the end of the last token in that
// range.
- R.setEnd(TU->getPreprocessor().getLocForEndOfToken(R.getEnd(), 1));
+ SourceLocation NewEnd
+ = TU->getPreprocessor().getLocForEndOfToken(R.getEnd(), 1);
+ if (NewEnd.isValid())
+ R.setEnd(NewEnd);
return RangeCompare(TU->getSourceManager(), R, RegionOfInterest);
}
@@ -903,21 +906,24 @@
}
void clang_disposeIndex(CXIndex CIdx) {
- assert(CIdx && "Passed null CXIndex");
- delete static_cast<CIndexer *>(CIdx);
+ if (CIdx)
+ delete static_cast<CIndexer *>(CIdx);
}
void clang_setUseExternalASTGeneration(CXIndex CIdx, int value) {
- assert(CIdx && "Passed null CXIndex");
- CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
- CXXIdx->setUseExternalASTGeneration(value);
+ if (CIdx) {
+ CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
+ CXXIdx->setUseExternalASTGeneration(value);
+ }
}
CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
const char *ast_filename,
CXDiagnosticCallback diag_callback,
CXClientData diag_client_data) {
- assert(CIdx && "Passed null CXIndex");
+ if (!CIdx)
+ return 0;
+
CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
// Configure the diagnostics.
@@ -941,7 +947,9 @@
struct CXUnsavedFile *unsaved_files,
CXDiagnosticCallback diag_callback,
CXClientData diag_client_data) {
- assert(CIdx && "Passed null CXIndex");
+ if (!CIdx)
+ return 0;
+
CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
// Configure the diagnostics.
@@ -1096,12 +1104,14 @@
}
void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
- assert(CTUnit && "Passed null CXTranslationUnit");
- delete static_cast<ASTUnit *>(CTUnit);
+ if (CTUnit)
+ delete static_cast<ASTUnit *>(CTUnit);
}
CXString clang_getTranslationUnitSpelling(CXTranslationUnit CTUnit) {
- assert(CTUnit && "Passed null CXTranslationUnit");
+ if (!CTUnit)
+ return CIndexer::createCXString("");
+
ASTUnit *CXXUnit = static_cast<ASTUnit *>(CTUnit);
return CIndexer::createCXString(CXXUnit->getOriginalSourceFileName().c_str(),
true);
@@ -1246,7 +1256,6 @@
if (!SFile)
return 0;
- assert(SFile && "Passed null CXFile");
FileEntry *FEnt = static_cast<FileEntry *>(SFile);
return FEnt->getName();
}
@@ -1255,7 +1264,6 @@
if (!SFile)
return 0;
- assert(SFile && "Passed null CXFile");
FileEntry *FEnt = static_cast<FileEntry *>(SFile);
return FEnt->getModificationTime();
}
@@ -1339,7 +1347,6 @@
}
CXString clang_getCursorSpelling(CXCursor C) {
- assert(getCursorDecl(C) && "CXCursor has null decl");
if (clang_isTranslationUnit(C.kind))
return clang_getTranslationUnitSpelling(C.data[2]);
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