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-rw-r--r--compilerplugins/clang/stringadd.cxx18
1 files changed, 2 insertions, 16 deletions
diff --git a/compilerplugins/clang/stringadd.cxx b/compilerplugins/clang/stringadd.cxx
index 1a9c7c90d152..67d3adc6c131 100644
--- a/compilerplugins/clang/stringadd.cxx
+++ b/compilerplugins/clang/stringadd.cxx
@@ -78,7 +78,6 @@ private:
void checkForCompoundAssign(Stmt const* stmt1, Stmt const* stmt2, VarDecl const* varDecl);
Expr const* ignore(Expr const*);
- std::string getSourceAsString(SourceLocation startLoc, SourceLocation endLoc);
bool isSideEffectFree(Expr const*);
};
@@ -171,9 +170,8 @@ void StringAdd::checkForCompoundAssign(Stmt const* stmt1, Stmt const* stmt2, Var
if (!isSideEffectFree(rhs))
return;
// if we cross a #ifdef boundary
- auto s
- = getSourceAsString(stmt1->getSourceRange().getBegin(), stmt2->getSourceRange().getEnd());
- if (s.find("#if") != std::string::npos)
+ if (containsPreprocessingConditionalInclusion(
+ SourceRange(stmt1->getSourceRange().getBegin(), stmt2->getSourceRange().getEnd())))
return;
report(DiagnosticsEngine::Warning, "simplify by merging with the preceding assignment",
compat::getBeginLoc(stmt2))
@@ -314,18 +312,6 @@ bool StringAdd::isSideEffectFree(Expr const* expr)
return false;
}
-std::string StringAdd::getSourceAsString(SourceLocation startLoc, SourceLocation endLoc)
-{
- SourceManager& SM = compiler.getSourceManager();
- char const* p1 = SM.getCharacterData(startLoc);
- char const* p2 = SM.getCharacterData(endLoc);
- p2 += Lexer::MeasureTokenLength(endLoc, SM, compiler.getLangOpts());
- // sometimes we get weird results, probably from crossing internal LLVM buffer boundaries
- if (p2 - p1 < 0)
- return std::string();
- return std::string(p1, p2 - p1);
-}
-
loplugin::Plugin::Registration<StringAdd> stringadd("stringadd");
}