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/Sequence.hxx>
  16 #include <com/sun/star/uno/XInterface.hpp>
  17 #include <map>
  18 #include <list>
  19 #include <vector>
  20 #include <rtl/ustring.hxx>
  21
  22 namespace test1
  23 {
  24 int const aFormalArgs[] = { 1, 2 };
  25 // expected-error@+1 {{var can be const [loplugin:constvars]}}
  26 static sal_uInt16 nMediaArgsCount = SAL_N_ELEMENTS(aFormalArgs);
  27 sal_uInt16 foo()
  28 {
  29     (void)aFormalArgs;
  30     return nMediaArgsCount;
  31 }
  32 };
  33
  34 // no warning expected
  35 namespace test2
  36 {
  37 static char const* ar[] = { "xxxx" };
  38 static const char* lcl_DATA_OTHERS = "localedata_others";
  39 void foo()
  40 {
  41     (void)ar;
  42     (void)lcl_DATA_OTHERS;
  43 }
  44 };
  45
  46 // no warning expected
  47 namespace test3
  48 {
  49 static sal_uInt16 nMediaArgsCount = 1; // loplugin:constvars:ignore
  50 sal_uInt16 foo() { return nMediaArgsCount; }
  51 };
  52
  53 // no warning expected, we don't handle these destructuring assignments properly yet
  54 namespace test4
  55 {
  56 void foo()
  57 {
  58     std::map<OUString, OUString> aMap;
  59     for (auto & [ rName, rEntry ] : aMap)
  60     {
  61         rEntry.clear();
  62     }
  63 }
  64 };
  65
  66 // no warning expected
  67 namespace test5
  68 {
  69 struct Struct1
  70 {
  71 };
  72 void release(Struct1*);
  73 void foo(std::list<Struct1*> aList)
  74 {
  75     for (Struct1* pItem : aList)
  76     {
  77         release(pItem);
  78     }
  79 }
  80 };
  81
  82 namespace test6
  83 {
  84 void foo(css::uno::Sequence<css::uno::Reference<css::uno::XInterface>>& aSeq)
  85 {
  86     // expected-error@+1 {{var can be const [loplugin:constvars]}}
  87     for (css::uno::Reference<css::uno::XInterface>& x : aSeq)
  88     {
  89         x.get();
  90     }
  91 }
  92 };
  93
  94 // no warning expected
  95 namespace test7
  96 {
  97 void foo(std::vector<std::vector<int>> aVecVec)
  98 {
  99     for (auto& rVec : aVecVec)
 100         for (auto& rElement : rVec)
 101             rElement = 1;
 102 }
 103 };
 104
 105 #endif
 106
 107 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */