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Diffstat (limited to 'compilerplugins/clang/loopvartoosmall.cxx')
-rw-r--r--compilerplugins/clang/loopvartoosmall.cxx11
1 files changed, 6 insertions, 5 deletions
diff --git a/compilerplugins/clang/loopvartoosmall.cxx b/compilerplugins/clang/loopvartoosmall.cxx
index cee6f0247e54..a742af61fb12 100644
--- a/compilerplugins/clang/loopvartoosmall.cxx
+++ b/compilerplugins/clang/loopvartoosmall.cxx
@@ -49,7 +49,7 @@ bool LoopVarTooSmall::VisitForStmt( const ForStmt* stmt )
{
if (ignoreLocation( stmt ))
return true;
- // ignore SAL for now
+ // ignore sal/ module for now
StringRef aFileName = getFilename(stmt->getLocStart());
if (aFileName.startswith(SRCDIR "/sal/")) {
return true;
@@ -76,8 +76,9 @@ bool LoopVarTooSmall::VisitForStmt( const ForStmt* stmt )
if (binOp->getOpcode() != BO_LT && binOp->getOpcode() != BO_LE)
return true;
const Expr* binOpRHS = binOp->getRHS();
- // ignore complex expressions for now
- if (isa<BinaryOperator>(binOpRHS))
+ // ignore complex expressions for now, promotion rules on conditions like "i < (size()+1)"
+ // make it hard to guess at a correct type.
+ if (isa<BinaryOperator>(binOpRHS) || isa<ParenExpr>(binOpRHS))
return true;
if (isa<ImplicitCastExpr>(binOpRHS)) {
const ImplicitCastExpr* castExpr = dyn_cast<ImplicitCastExpr>(binOpRHS);
@@ -105,13 +106,13 @@ bool LoopVarTooSmall::VisitForStmt( const ForStmt* stmt )
"loop index type is smaller than length type. " + qt.getAsString() + " < " + qt2.getAsString(),
stmt->getInit()->getLocStart())
<< stmt->getInit()->getSourceRange();
-// stmt->getCond()->dump();
+ //stmt->getCond()->dump();
}
return true;
}
-loplugin::Plugin::Registration< LoopVarTooSmall > X("loopvartoosmall", false);
+loplugin::Plugin::Registration< LoopVarTooSmall > X("loopvartoosmall", true);
}