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BugReporter (extensive diagnostics): Ignore parentheses when added control-flow 

pieces for location contexts.

llvm-svn: 69895
This commit is contained in:
Ted Kremenek 2009-04-23 16:19:29 +00:00
parent 0cbba990d7
commit e60809c31d
1 changed files with 16 additions and 0 deletions
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16
clang/lib/Analysis/BugReporter.cpp
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@ -789,6 +789,22 @@ class VISIBILITY_HIDDEN EdgeBuilder {
void popLocation() { void popLocation() {
PathDiagnosticLocation L = CLocs.back(); PathDiagnosticLocation L = CLocs.back();
if (L.asLocation().isFileID()) { if (L.asLocation().isFileID()) {
if (const Stmt *S = L.asStmt()) {
// Adjust the location for some expressions that are best referenced
// by one of their subexpressions.
if (const ConditionalOperator *CO = dyn_cast<ConditionalOperator>(S))
S = CO->getCond();
else if (const ChooseExpr *CE = dyn_cast<ChooseExpr>(S))
S = CE->getCond();
// Ignore parentheses.
if (const ParenExpr *PE = dyn_cast<ParenExpr>(S))
S = PE->IgnoreParens();
L = PathDiagnosticLocation(S, L.getManager());
}
// For contexts, we only one the first character as the range. // For contexts, we only one the first character as the range.
L = PathDiagnosticLocation(L.asLocation(), L.getManager()); L = PathDiagnosticLocation(L.asLocation(), L.getManager());
rawAddEdge(L); rawAddEdge(L);