loplugin:unnecessarygetstr fix false +

spotted in https://gerrit.libreoffice.org/c/core/+/162869

Change-Id: I87d9fdcfed5282f0e94fc8aa95a46054883fdd79
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/162929
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
This commit is contained in:
Noel Grandin 2024-02-02 10:49:14 +02:00
parent b23aec2266
commit 3d5c0a9453
2 changed files with 22 additions and 3 deletions

View file

@ -10,6 +10,7 @@
#include <sal/config.h>
#include <ostream>
#include <sstream>
#include <string_view>
#include <string>
@ -128,4 +129,10 @@ void foo(const OString&);
void test(std::string v) { foo(v.c_str()); }
}
// no warning expected
namespace test7
{
void test(const OString& v) { std::stringstream aStream(v.getStr()); }
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */

View file

@ -11,6 +11,7 @@
#include <cassert>
#include <stack>
#include <unordered_set>
#include "check.hxx"
#include "plugin.hxx"
@ -60,11 +61,20 @@ public:
if (ignoreLocation(constructExpr))
return true;
auto tc = loplugin::TypeCheck(constructExpr->getType());
if (tc.ClassOrStruct("basic_string").StdNamespace())
if (tc.ClassOrStruct("basic_stringstream").StdNamespace())
{
// ignore the implicit-conversion nodes that are added here
if (constructExpr->getNumArgs() > 0)
nodesToIgnore.insert(constructExpr->getArg(0)->IgnoreImplicit());
}
else if (tc.ClassOrStruct("basic_string").StdNamespace())
{
if (constructExpr->getNumArgs() == 1 || constructExpr->getNumArgs() == 2)
checkForGetStr(constructExpr->getArg(0), "string constructor",
/*isOStringConstructor*/ false);
{
if (nodesToIgnore.find(constructExpr) == nodesToIgnore.end())
checkForGetStr(constructExpr->getArg(0), "string constructor",
/*isOStringConstructor*/ false);
}
}
else if (tc.ClassOrStruct("basic_string_view").StdNamespace())
{
@ -138,6 +148,8 @@ private:
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
}
std::unordered_set<const Expr*> nodesToIgnore;
};
loplugin::Plugin::Registration<UnnecessaryGetStr> unnecessarygetstr("unnecessarygetstr");