compilerplugins/clang/test/constvars.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #if defined _WIN32 //TODO, see corresponding TODO in compilerplugins/clang/writeonlyvars.cxx
  11 // expected-no-diagnostics
  12 #else
  13
  14 #include <com/sun/star/uno/Any.hxx>
  15 #include <com/sun/star/uno/XInterface.hpp>
  16 #include <map>
  17 #include <list>
  18 #include <vector>
  19 #include <rtl/ustring.hxx>
  20
  21 namespace test1
  22 {
  23 int const aFormalArgs[] = { 1, 2 };
  24 // expected-error@+1 {{var can be const [loplugin:constvars]}}
  25 static sal_uInt16 nMediaArgsCount = SAL_N_ELEMENTS(aFormalArgs);
  26 sal_uInt16 foo()
  27 {
  28     (void)aFormalArgs;
  29     return nMediaArgsCount;
  30 }
  31 };
  32
  33 // no warning expected
  34 namespace test2
  35 {
  36 static char const* ar[] = { "xxxx" };
  37 static const char* lcl_DATA_OTHERS = "localedata_others";
  38 void foo()
  39 {
  40     (void)ar;
  41     (void)lcl_DATA_OTHERS;
  42 }
  43 };
  44
  45 // no warning expected
  46 namespace test3
  47 {
  48 static sal_uInt16 nMediaArgsCount = 1; // loplugin:constvars:ignore
  49 sal_uInt16 foo() { return nMediaArgsCount; }
  50 };
  51
  52 // no warning expected, we don't handle these destructuring assignments properly yet
  53 namespace test4
  54 {
  55 void foo()
  56 {
  57     std::map<OUString, OUString> aMap;
  58     for (auto & [ rName, rEntry ] : aMap)
  59     {
  60         rEntry.clear();
  61     }
  62 }
  63 };
  64
  65 // no warning expected
  66 namespace test5
  67 {
  68 struct Struct1
  69 {
  70 };
  71 void release(Struct1*);
  72 void foo(std::list<Struct1*> aList)
  73 {
  74     for (Struct1* pItem : aList)
  75     {
  76         release(pItem);
  77     }
  78 }
  79 };
  80
  81 // no warning expected
  82 namespace test6
  83 {
  84 void foo(std::vector<std::vector<int>> aVecVec)
  85 {
  86     for (auto& rVec : aVecVec)
  87         for (auto& rElement : rVec)
  88             rElement = 1;
  89 }
  90 };
  91
  92 #endif
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */