/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2023 Cppcheck team. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "errortypes.h" #include "platform.h" #include "settings.h" #include "fixture.h" #include "token.h" #include "tokenize.h" #include // IWYU pragma: keep #include class TestSimplifyUsing : public TestFixture { public: TestSimplifyUsing() : TestFixture("TestSimplifyUsing") {} private: Settings settings0; Settings settings1; Settings settings2; void run() override { settings0.severity.enable(Severity::style); settings2.severity.enable(Severity::style); // If there are unused templates, keep those settings0.checkUnusedTemplates = true; settings1.checkUnusedTemplates = true; settings2.checkUnusedTemplates = true; TEST_CASE(simplifyUsing1); TEST_CASE(simplifyUsing2); TEST_CASE(simplifyUsing3); TEST_CASE(simplifyUsing4); TEST_CASE(simplifyUsing5); TEST_CASE(simplifyUsing6); TEST_CASE(simplifyUsing7); TEST_CASE(simplifyUsing8); TEST_CASE(simplifyUsing9); TEST_CASE(simplifyUsing10); TEST_CASE(simplifyUsing11); TEST_CASE(simplifyUsing12); TEST_CASE(simplifyUsing13); TEST_CASE(simplifyUsing14); TEST_CASE(simplifyUsing15); TEST_CASE(simplifyUsing16); TEST_CASE(simplifyUsing17); TEST_CASE(simplifyUsing18); TEST_CASE(simplifyUsing19); TEST_CASE(simplifyUsing20); TEST_CASE(simplifyUsing21); TEST_CASE(simplifyUsing22); TEST_CASE(simplifyUsing23); TEST_CASE(simplifyUsing24); TEST_CASE(simplifyUsing25); TEST_CASE(simplifyUsing26); // #11090 TEST_CASE(simplifyUsing8970); TEST_CASE(simplifyUsing8971); TEST_CASE(simplifyUsing8976); TEST_CASE(simplifyUsing9040); TEST_CASE(simplifyUsing9042); TEST_CASE(simplifyUsing9191); TEST_CASE(simplifyUsing9381); TEST_CASE(simplifyUsing9385); TEST_CASE(simplifyUsing9388); TEST_CASE(simplifyUsing9518); TEST_CASE(simplifyUsing9757); TEST_CASE(simplifyUsing10008); TEST_CASE(simplifyUsing10054); TEST_CASE(simplifyUsing10136); TEST_CASE(simplifyUsing10171); TEST_CASE(simplifyUsing10172); TEST_CASE(simplifyUsing10173); TEST_CASE(simplifyUsing10335); TEST_CASE(scopeInfo1); TEST_CASE(scopeInfo2); } #define tok(...) tok_(__FILE__, __LINE__, __VA_ARGS__) std::string tok_(const char* file, int line, const char code[], Settings::PlatformType type = Settings::Native, bool debugwarnings = true) { errout.str(""); settings0.certainty.enable(Certainty::inconclusive); settings0.debugwarnings = debugwarnings; PLATFORM(settings0, type); Tokenizer tokenizer(&settings0, this); std::istringstream istr(code); ASSERT_LOC(tokenizer.tokenize(istr, "test.cpp"), file, line); return tokenizer.tokens()->stringifyList(nullptr); } void simplifyUsing1() { const char code[] = "class A\n" "{\n" "public:\n" " using duplicate = wchar_t;\n" " void foo() {}\n" "};\n" "using duplicate = A;\n" "int main()\n" "{\n" " duplicate a;\n" " a.foo();\n" " A::duplicate c = 0;\n" "}"; const char expected[] = "class A " "{ " "public: " "" "void foo ( ) { } " "} ; " "int main ( ) " "{ " "A a ; " "a . foo ( ) ; " "wchar_t c ; c = 0 ; " "}"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing2() { const char code[] = "class A;\n" "using duplicate = A;\n" "class A\n" "{\n" "public:\n" "using duplicate = wchar_t;\n" "duplicate foo() { wchar_t b; return b; }\n" "};"; const char expected[] = "class A ; " "class A " "{ " "public: " "" "wchar_t foo ( ) { wchar_t b ; return b ; } " "} ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing3() { const char code[] = "class A {};\n" "using duplicate = A;\n" "wchar_t foo()\n" "{\n" "using duplicate = wchar_t;\n" "duplicate b;\n" "return b;\n" "}\n" "int main()\n" "{\n" "duplicate b;\n" "}"; const char expected[] = "class A { } ; " "wchar_t foo ( ) " "{ " "" "wchar_t b ; " "return b ; " "} " "int main ( ) " "{ " "A b ; " "}"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing4() { const char code[] = "using s32 = int;\n" "using u32 = unsigned int;\n" "void f()\n" "{\n" " s32 ivar = -2;\n" " u32 uvar = 2;\n" " return uvar / ivar;\n" "}"; const char expected[] = "void f ( ) " "{ " "int ivar ; ivar = -2 ; " "unsigned int uvar ; uvar = 2 ; " "return uvar / ivar ; " "}"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing5() { const char code[] = "using YY_BUFFER_STATE = struct yy_buffer_state *;\n" "void f()\n" "{\n" " YY_BUFFER_STATE state;\n" "}"; const char expected[] = "void f ( ) " "{ " "struct yy_buffer_state * state ; " "}"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing6() { const char code[] = "namespace VL {\n" " using float_t = float;\n" " inline VL::float_t fast_atan2(VL::float_t y, VL::float_t x){}\n" "}"; const char expected[] = "namespace VL { " "" "float fast_atan2 ( float y , float x ) { } " "}"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing7() { const char code[] = "using abc = int; " "Fred :: abc f ;"; const char expected[] = "Fred :: abc f ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing8() { const char code[] = "using INT = int;\n" "using UINT = unsigned int;\n" "using PINT = int *;\n" "using PUINT = unsigned int *;\n" "using RINT = int &;\n" "using RUINT = unsigned int &;\n" "using RCINT = const int &;\n" "using RCUINT = const unsigned int &;\n" "INT ti;\n" "UINT tui;\n" "PINT tpi;\n" "PUINT tpui;\n" "RINT tri;\n" "RUINT trui;\n" "RCINT trci;\n" "RCUINT trcui;"; const char expected[] = "int ti ; " "unsigned int tui ; " "int * tpi ; " "unsigned int * tpui ; " "int & tri ; " "unsigned int & trui ; " "const int & trci ; " "const unsigned int & trcui ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing9() { const char code[] = "using S = struct s;\n" "using PS = S *;\n" "using T = struct t { int a; };\n" "using TP = T *;\n" "using U = struct { int a; };\n" "using V = U *;\n" "using W = struct { int a; } *;\n" "S s;\n" "PS ps;\n" "T t;\n" "TP tp;\n" "U u;\n" "V v;\n" "W w;"; const char expected[] = "struct t { int a ; } ; " "struct U { int a ; } ; " "struct Unnamed0 { int a ; } ; " "struct s s ; " "struct s * ps ; " "struct t t ; " "struct t * tp ; " "struct U u ; " "struct U * v ; " "struct Unnamed0 * w ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing10() { const char code[] = "using S = union s;\n" "using PS = S *;\n" "using T = union t { int a; float b ; };\n" "using TP = T *;\n" "using U = union { int a; float b; };\n" "using V = U *;\n" "using W = union { int a; float b; } *;\n" "S s;\n" "PS ps;\n" "T t;\n" "TP tp;\n" "U u;\n" "V v;\n" "W w;"; const char expected[] = "union t { int a ; float b ; } ; " "union U { int a ; float b ; } ; " "union Unnamed0 { int a ; float b ; } ; " "union s s ; " "union s * ps ; " "union t t ; " "union t * tp ; " "union U u ; " "union U * v ; " "union Unnamed0 * w ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing11() { const char code[] = "using abc = enum { a = 0 , b = 1 , c = 2 };\n" "using XYZ = enum xyz { x = 0 , y = 1 , z = 2 };\n" "abc e1;\n" "XYZ e2;"; const char expected[] = "enum abc { a = 0 , b = 1 , c = 2 } ; " "enum xyz { x = 0 , y = 1 , z = 2 } ; " "enum abc e1 ; " "enum xyz e2 ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing12() { const char code[] = "using V1 = vector;\n" "using V2 = std::vector;\n" "using V3 = std::vector >;\n" "using IntListIterator = std::list::iterator;\n" "V1 v1;\n" "V2 v2;\n" "V3 v3;\n" "IntListIterator iter;"; const char expected[] = "vector < int > v1 ; " "std :: vector < int > v2 ; " "std :: vector < std :: vector < int > > v3 ; " "std :: list < int > :: iterator iter ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing13() { const char code[] = "using Func = std::pair;\n" "using CallQueue = std::vector;\n" "int main() {\n" " CallQueue q;\n" "}"; const char expected[] = "int main ( ) { " "std :: vector < std :: pair < int ( * ) ( void * ) , void * > > q ; " "}"; ASSERT_EQUALS(expected, tok(code)); ASSERT_EQUALS("", errout.str()); } void simplifyUsing14() { const char code[] = "template struct E" "{" " using v = E0)?(N-1):0>;" " using val = typename add::val;" " FP_M(val);" "};" "template struct E " "{" " using nal = typename D<1>::val;" " FP_M(val);" "};"; TODO_ASSERT_THROW(tok(code, Settings::Native, false), InternalError); // TODO: Do not throw AST validation exception //ASSERT_EQUALS("", errout.str()); } void simplifyUsing15() { { const char code[] = "using frame = char [10];\n" "frame f;"; const char expected[] = "char f [ 10 ] ;"; ASSERT_EQUALS(expected, tok(code)); } { const char code[] = "using frame = unsigned char [10];\n" "frame f;"; const char expected[] = "unsigned char f [ 10 ] ;"; ASSERT_EQUALS(expected, tok(code)); } } void simplifyUsing16() { const char code[] = "using MOT8 = char;\n" "using CHFOO = MOT8 [4096];\n" "using STRFOO = struct {\n" " CHFOO freem;\n" "};\n" "STRFOO s;"; const char expected[] = "struct STRFOO { " "char freem [ 4096 ] ; " "} ; " "struct STRFOO s ;"; ASSERT_EQUALS(expected, tok(code)); ASSERT_EQUALS("", errout.str()); } void simplifyUsing17() { const char code[] = "class C1 {};\n" "using S1 = class S1 {};\n" "using S2 = class S2 : public C1 {};\n" "using S3 = class {};\n" "using S4 = class : public C1 {};\n" "S1 s1;\n" "S2 s2;\n" "S3 s3;\n" "S4 s4;"; const char expected[] = "class C1 { } ; " "class S1 { } ; " "class S2 : public C1 { } ; " "class S3 { } ; " "class S4 : public C1 { } ; " "class S1 s1 ; " "class S2 s2 ; " "class S3 s3 ; " "class S4 s4 ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing18() { const char code[] = "{ { { using a = a; using a; } } }"; tok(code); // don't crash } void simplifyUsing19() { const char code[] = "namespace a {\n" "using b = int;\n" "void foo::c() { }\n" "void foo::d() { }\n" "void foo::e() {\n" " using b = float;\n" "}\n" "}"; tok(code); // don't hang } void simplifyUsing20() { const char code[] = "namespace a {\n" "namespace b {\n" "namespace c {\n" "namespace d {\n" "namespace e {\n" "namespace f {\n" "namespace g {\n" "using Changeset = ::IAdaptionCallback::Changeset;\n" "using EProperty = searches::EProperty;\n" "using ChangesetValueType = Changeset::value_type;\n" "namespace {\n" " template \n" " auto modify(std::shared_ptr& p) -> boost::optionalmodify())> {\n" " return nullptr;\n" " }\n" " template \n" " std::list getValidElements() {\n" " return nullptr;\n" " }\n" "}\n" "std::shared_ptr\n" "foo::getConfiguration() {\n" " return nullptr;\n" "}\n" "void\n" "foo::doRegister(const Input & Input) {\n" " UNUSED( Input );\n" "}\n" "foo::MicroServiceReturnValue\n" "foo::post(SearchesPtr element, const Changeset& changeset)\n" "{\n" " using EProperty = ab::ep;\n" " static std::map> updateHandlers =\n" " {\n" " {EProperty::Needle, {&RSISearchesResource::updateNeedle, &RSISearchesResource::isSearcherReady}},\n" " {EProperty::SortBy, {&RSISearchesResource::updateResultsSorting, &RSISearchesResource::isSearcherReady}}\n" " };\n" " return nullptr;\n" "}\n" "}}}}}}}"; tok(code); // don't hang } void simplifyUsing21() { const char code[] = "using a = b;\n" "enum {}"; tok(code); // don't crash } void simplifyUsing22() { const char code[] = "namespace aa { namespace bb { namespace cc { namespace dd { namespace ee {\n" "class fff {\n" "public:\n" " using icmsp = std::shared_ptr;\n" "private:\n" " using Connection = boost::signals2::connection;\n" " using ESdk = sdk::common::api::Sdk::ESdk;\n" " using co = aa::bb::ee::com::api::com2;\n" "};\n" "fff::fff() : m_icm(icm) {\n" " using ESdk = aa::bb::sdk::common::api::Sdk::ESdk;\n" "}\n" "}}}}}"; const char expected[] = "namespace aa { namespace bb { namespace cc { namespace dd { namespace ee { " "class fff { " "public: " "private: " "} ; " "fff :: fff ( ) : m_icm ( icm ) { " "} " "} } } } }"; ASSERT_EQUALS(expected, tok(code)); // don't hang } void simplifyUsing23() { const char code[] = "class cmcch {\n" "public:\n" " cmcch(icmsp const& icm, Rtnf&& rtnf = {});\n" "private:\n" " using escs = aa::bb::cc::dd::ee;\n" "private:\n" " icmsp m_icm;\n" " mutable std::atomic m_rt;\n" "};\n" "cmcch::cmcch(cmcch::icmsp const& icm, Rtnf&& rtnf)\n" " : m_icm(icm)\n" " , m_rt{rt::UNKNOWN_} {\n" " using escs = yy::zz::aa::bb::cc::dd::ee;\n" "}"; const char expected[] = "class cmcch { " "public: " "cmcch ( const icmsp & icm , Rtnf && rtnf = { } ) ; " "private: " "private: " "icmsp m_icm ; " "mutable std :: atomic < rt > m_rt ; " "} ; " "cmcch :: cmcch ( const cmcch :: icmsp & icm , Rtnf && rtnf ) " ": m_icm ( icm ) " ", m_rt { rt :: UNKNOWN_ } { " "}"; ASSERT_EQUALS(expected, tok(code)); // don't hang } void simplifyUsing24() { const char code[] = "using value_type = const ValueFlow::Value;\n" "value_type vt;"; const char expected[] = "const ValueFlow :: Value vt ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing25() { const char code[] = "struct UnusualType {\n" " using T = vtkm::Id;\n" " T X;\n" "};\n" "namespace vtkm {\n" "template <>\n" "struct VecTraits : VecTraits { };\n" "}"; const char expected[] = "struct UnusualType { " "vtkm :: Id X ; " "} ; " "namespace vtkm { " "struct VecTraits : VecTraits < vtkm :: Id > { } ; " "}"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing26() { // #11090 const char code[] = "namespace M {\n" " struct A;\n" " struct B;\n" " struct C;\n" " template\n" " struct F {};\n" " template<>\n" " struct F : F {};\n" " template<>\n" " struct F : F {};\n" "}\n" "namespace N {\n" " using namespace M;\n" " using A = void;\n" "}\n"; const char expected[] = "namespace M { " "struct A ; struct B ; struct C ; " "struct F ; struct F ; struct F ; " "struct F : F { } ; struct F : F { } ; " "} " "namespace N { " "using namespace M ; " "} " "struct M :: F { } ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing8970() { const char code[] = "using V = std::vector;\n" "struct A {\n" " V p;\n" "};"; const char expected[] = "struct A { " "std :: vector < int > p ; " "} ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing8971() { const char code[] = "class A {\n" "public:\n" " using V = std::vector;\n" "};\n" "using V = std::vector;\n" "class I {\n" "private:\n" " A::V v_;\n" " V v2_;\n" "};"; const char expected[] = "class A { " "public: " "} ; " "class I { " "private: " "std :: vector < double > v_ ; " "std :: vector < int > v2_ ; " "} ;"; ASSERT_EQUALS(expected, tok(code)); } void simplifyUsing8976() { const char code[] = "using mystring = std::string;"; const char exp[] = ";"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing9040() { const char code[] = "using BOOL = unsigned; int i;"; const char exp[] = "int i ;"; ASSERT_EQUALS(exp, tok(code, Settings::Unix32)); ASSERT_EQUALS(exp, tok(code, Settings::Unix64)); ASSERT_EQUALS(exp, tok(code, Settings::Win32A)); ASSERT_EQUALS(exp, tok(code, Settings::Win32W)); ASSERT_EQUALS(exp, tok(code, Settings::Win64)); } void simplifyUsing9042() { const char code[] = "template \n" "class c {\n" " int i = 0;\n" " c() { i--; }\n" "};\n" "template \n" "class s {};\n" "using BOOL = char;"; const char exp[] = "template < class T > " "class c { " "int i ; i = 0 ; " "c ( ) { i -- ; } " "} ; " "template < class T > class s { } ;"; ASSERT_EQUALS(exp, tok(code, Settings::Win64)); } void simplifyUsing9191() { const char code[] = "namespace NS1 {\n" " namespace NS2 {\n" " using _LONG = signed long long;\n" " }\n" "}\n" "void f1() {\n" " using namespace NS1;\n" " NS2::_LONG A;\n" "}\n" "void f2() {\n" " using namespace NS1::NS2;\n" " _LONG A;\n" "}"; const char exp[] = "void f1 ( ) { " "using namespace NS1 ; " "signed long long A ; " "} " "void f2 ( ) { " "using namespace NS1 :: NS2 ; " "signed long long A ; " "}"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing9381() { const char code[] = "namespace ns {\n" " class Result;\n" " using UniqueResultPtr = std::unique_ptr;\n" " class A {\n" " public:\n" " void func(UniqueResultPtr);\n" " };\n" " void A::func(UniqueResultPtr) {\n" " }\n" "}"; const char exp[] = "namespace ns { " "class Result ; " "class A { " "public: " "void func ( std :: unique_ptr < Result > ) ; " "} ; " "void A :: func ( std :: unique_ptr < Result > ) { " "} " "}"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing9385() { { const char code[] = "class A {\n" "public:\n" " using Foo = int;\n" " A(Foo foo);\n" " ~A();\n" " void func(Foo foo);\n" "};\n" "A::A(Foo) { }\n" "A::~A() { Foo foo; }\n" "void A::func(Foo) { }"; const char exp[] = "class A { " "public: " "A ( int foo ) ; " "~ A ( ) ; " "void func ( int foo ) ; " "} ; " "A :: A ( int ) { } " "A :: ~ A ( ) { int foo ; } " "void A :: func ( int ) { }"; ASSERT_EQUALS(exp, tok(code)); } { const char code[] = "class A {\n" "public:\n" " struct B {\n" " using Foo = int;\n" " B(Foo foo);\n" " ~B();\n" " void func(Foo foo);\n" " };\n" "};\n" "A::B::B(Foo) { }\n" "A::B::~B() { Foo foo; }\n" "void A::B::func(Foo) { }"; const char exp[] = "class A { " "public: " "struct B { " "B ( int foo ) ; " "~ B ( ) ; " "void func ( int foo ) ; " "} ; " "} ; " "A :: B :: B ( int ) { } " "A :: B :: ~ B ( ) { int foo ; } " "void A :: B :: func ( int ) { }"; ASSERT_EQUALS(exp, tok(code)); } } void simplifyUsing9388() { const char code[] = "class A {\n" "public:\n" " using Type = int;\n" " A(Type&);\n" " Type& t_;\n" "};\n" "A::A(Type& t) : t_(t) { }"; const char exp[] = "class A { " "public: " "A ( int & ) ; " "int & t_ ; " "} ; " "A :: A ( int & t ) : t_ ( t ) { }"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing9518() { const char code[] = "namespace a {\n" "using a = enum {};\n" "}"; const char exp[] = "namespace a { " "enum a { } ; " "}"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing9757() { const char code[] = "enum class Type_t { Nil = 0 };\n" "template class MappedType { };\n" "template<> class MappedType { using type = void; };\n" "std::string to_string (Example::Type_t type) {\n" " switch (type) {}\n" "}"; const char exp[] = "enum class Type_t { Nil = 0 } ; " "class MappedType ; " "template < Type_t type > class MappedType { } ; " "class MappedType { } ; " "std :: string to_string ( Example :: Type_t type ) { " "switch ( type ) { } }"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing10008() { const char code[] = "namespace ns {\n" " using ArrayType = std::vector;\n" "}\n" "using namespace ns;\n" "static void f() {\n" " const ArrayType arr;\n" "}"; const char exp[] = "using namespace ns ; " "static void f ( ) { " "const std :: vector < int > arr ; " "}"; ASSERT_EQUALS(exp, tok(code)); } void simplifyUsing10054() { // debug: Executable scope 'x' with unknown function. { // original example: using "namespace external::ns1;" but redundant qualification const char code[] = "namespace external {\n" " namespace ns1 {\n" " template struct B { };\n" " using V = B;\n" " }\n" "}\n" "namespace ns {\n" " struct A {\n" " void f(external::ns1::V);\n" " };\n" "}\n" "using namespace external::ns1;\n" "namespace ns {\n" " void A::f(external::ns1::V) {}\n" "}"; const char exp[] = "namespace external { " "namespace ns1 { " "struct B<1> ; " "} " "} " "namespace ns { " "struct A { " "void f ( external :: ns1 :: B<1> ) ; " "} ; " "} " "using namespace external :: ns1 ; " "namespace ns { " "void A :: f ( external :: ns1 :: B<1> ) { } " "} " "struct external :: ns1 :: B<1> { } ;"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { // no using "namespace external::ns1;" const char code[] = "namespace external {\n" " namespace ns1 {\n" " template struct B { };\n" " using V = B;\n" " }\n" "}\n" "namespace ns {\n" " struct A {\n" " void f(external::ns1::V);\n" " };\n" "}\n" "namespace ns {\n" " void A::f(external::ns1::V) {}\n" "}"; const char exp[] = "namespace external { " "namespace ns1 { " "struct B<1> ; " "} " "} " "namespace ns { " "struct A { " "void f ( external :: ns1 :: B<1> ) ; " "} ; " "} " "namespace ns { " "void A :: f ( external :: ns1 :: B<1> ) { } " "} " "struct external :: ns1 :: B<1> { } ;"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { // using "namespace external::ns1;" without redundant qualification const char code[] = "namespace external {\n" " namespace ns1 {\n" " template struct B { };\n" " using V = B;\n" " }\n" "}\n" "namespace ns {\n" " struct A {\n" " void f(external::ns1::V);\n" " };\n" "}\n" "using namespace external::ns1;\n" "namespace ns {\n" " void A::f(V) {}\n" "}"; const char exp[] = "namespace external { " "namespace ns1 { " "struct B<1> ; " "} " "} " "namespace ns { " "struct A { " "void f ( external :: ns1 :: B<1> ) ; " "} ; " "} " "using namespace external :: ns1 ; " "namespace ns { " "void A :: f ( external :: ns1 :: B<1> ) { } " "} " "struct external :: ns1 :: B<1> { } ;"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { // using "namespace external::ns1;" without redundant qualification on declaration and definition const char code[] = "namespace external {\n" " namespace ns1 {\n" " template struct B { };\n" " using V = B;\n" " }\n" "}\n" "using namespace external::ns1;\n" "namespace ns {\n" " struct A {\n" " void f(V);\n" " };\n" "}\n" "namespace ns {\n" " void A::f(V) {}\n" "}"; const char exp[] = "namespace external { " "namespace ns1 { " "struct B<1> ; " "} " "} " "using namespace external :: ns1 ; " "namespace ns { " "struct A { " "void f ( external :: ns1 :: B<1> ) ; " "} ; " "} " "namespace ns { " "void A :: f ( external :: ns1 :: B<1> ) { } " "} " "struct external :: ns1 :: B<1> { } ;"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] = "namespace external {\n" " template struct B { };\n" " namespace ns1 {\n" " using V = B;\n" " }\n" "}\n" "namespace ns {\n" " struct A {\n" " void f(external::ns1::V);\n" " };\n" "}\n" "namespace ns {\n" " void A::f(external::ns1::V) {}\n" "}"; const char exp[] = "namespace external { " "struct B<1> ; " "} " "namespace ns { " "struct A { " "void f ( external :: B<1> ) ; " "} ; " "} " "namespace ns { " "void A :: f ( external :: B<1> ) { } " "} " "struct external :: B<1> { } ;"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] = "template struct B { };\n" "namespace external {\n" " namespace ns1 {\n" " using V = B;\n" " }\n" "}\n" "namespace ns {\n" " struct A {\n" " void f(external::ns1::V);\n" " };\n" "}\n" "namespace ns {\n" " void A::f(external::ns1::V) {}\n" "}"; const char exp[] = "struct B<1> ; " "namespace ns { " "struct A { " "void f ( B<1> ) ; " "} ; " "} " "namespace ns { " "void A :: f ( B<1> ) { } " "} " "struct B<1> { } ;"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } } void simplifyUsing10136() { { const char code[] = "class B {\n" "public:\n" " using V = std::vector;\n" " virtual void f(const V&) const = 0;\n" "};\n" "class A final : public B {\n" "public:\n" " void f(const V&) const override;\n" "};\n" "void A::f(const std::vector&) const { }"; const char exp[] = "class B { " "public: " "virtual void f ( const std :: vector < char > & ) const = 0 ; " "} ; " "class A : public B { " "public: " "void f ( const std :: vector < char > & ) const override ; " "} ; " "void A :: f ( const std :: vector < char > & ) const { }"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] = "namespace NS1 {\n" " class B {\n" " public:\n" " using V = std::vector;\n" " virtual void f(const V&) const = 0;\n" " };\n" "}\n" "namespace NS2 {\n" " class A : public NS1::B {\n" " public:\n" " void f(const V&) const override;\n" " };\n" " namespace NS3 {\n" " class C : public A {\n" " public:\n" " void f(const V&) const override;\n" " };\n" " void C::f(const V&) const { }\n" " }\n" " void A::f(const V&) const { }\n" "}\n" "void foo() {\n" " NS2::A a;\n" " NS2::NS3::C c;\n" " NS1::B::V v;\n" " a.f(v);\n" " c.f(v);\n" "}"; const char exp[] = "namespace NS1 { " "class B { " "public: " "virtual void f ( const std :: vector < char > & ) const = 0 ; " "} ; " "} " "namespace NS2 { " "class A : public NS1 :: B { " "public: " "void f ( const std :: vector < char > & ) const override ; " "} ; " "namespace NS3 { " "class C : public A { " "public: " "void f ( const std :: vector < char > & ) const override ; " "} ; " "void C :: f ( const std :: vector < char > & ) const { } " "} " "void A :: f ( const std :: vector < char > & ) const { } " "} " "void foo ( ) { " "NS2 :: A a ; " "NS2 :: NS3 :: C c ; " "std :: vector < char > v ; " "a . f ( v ) ; " "c . f ( v ) ; " "}"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] = "foo::ResultCodes_e\n" "GemImpl::setR(const ::foo::s _ipSource)\n" "{\n" " M3_LOG_EE_DEBUG();\n" " using MLSource = foo::s::Literal;\n" " auto ret = foo::ResultCodes_e::NO_ERROR;\n" " M3_LOG_INFO(\"foo(\" << static_cast(_ipSource) << \")\");\n" " return ret;\n" "}\n" "foo::ResultCodes_e\n" "GemImpl::getF(::foo::s &_ipSource)\n" "{\n" " M3_LOG_EE_DEBUG();\n" " auto ret = foo::ResultCodes_e::NO_ERROR;\n" " return ret;\n" "}\n" "foo::ResultCodes_e\n" "GemImpl::setF(const ::foo::s _ipSource)\n" "{\n" " M3_LOG_EE_DEBUG();\n" " using MLSource = foo::s::Literal;\n" " auto ret = foo::ResultCodes_e::NO_ERROR;\n" " return ret;\n" "}"; tok(code); // don't crash } } void simplifyUsing10171() { const char code[] = "namespace ns {\n" " class A {\n" " public:\n" " using V = std::vector;\n" " virtual void f(const V&) const = 0;\n" " };\n" " class B : public A {\n" " public:\n" " void f(const V&) const override;\n" " };\n" "}\n" "namespace ns {\n" " void B::f(const std::vector&) const { }\n" "}"; const char exp[] = "namespace ns { " "class A { " "public: " "virtual void f ( const std :: vector < unsigned char > & ) const = 0 ; " "} ; " "class B : public A { " "public: " "void f ( const std :: vector < unsigned char > & ) const override ; " "} ; " "} " "namespace ns { " "void B :: f ( const std :: vector < unsigned char > & ) const { } " "}"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } void simplifyUsing10172() { { const char code[] = "namespace ns {\n" " class A {\n" " public:\n" " using h = std::function;\n" " };\n" " class B : public A {\n" " void f(h);\n" " };\n" "}\n" "namespace ns {\n" " void B::f(h) { }\n" "}"; const char exp[] = "namespace ns { " "class A { " "public: " "} ; " "class B : public A { " "void f ( std :: function < void ( ) > ) ; " "} ; " "} " "namespace ns { " "void B :: f ( std :: function < void ( ) > ) { } " "}"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] = "namespace ns {\n" "namespace external {\n" "class A {\n" "public: \n" " using h = std::function;\n" "};\n" "class B : public A {\n" " void f(h);\n" "};\n" "}\n" "}\n" "namespace ns {\n" "namespace external {\n" "void B::f(h) {}\n" "}\n" "}"; const char exp[] = "namespace ns { " "namespace external { " "class A { " "public: " "} ; " "class B : public A { " "void f ( std :: function < void ( ) > ) ; " "} ; " "} " "} " "namespace ns { " "namespace external { " "void B :: f ( std :: function < void ( ) > ) { } " "} " "}"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } } void simplifyUsing10173() { { const char code[] = "std::ostream & operator<<(std::ostream &s, const Pr p) {\n" " return s;\n" "}\n" "void foo() {\n" " using Pr = d::Pr;\n" " Pr p;\n" "}\n" "void bar() {\n" " Pr p;\n" "}"; const char exp[] = "std :: ostream & operator<< ( std :: ostream & s , const Pr < st > p ) { " "return s ; " "} " "void foo ( ) { " "d :: Pr < st > p ; " "} " "void bar ( ) { " "Pr < st > p ; " "}"; ASSERT_EQUALS(exp, tok(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] = "namespace defsa {\n" "void xxx::foo() {\n" " using NS1 = v1::l;\n" "}\n" "void xxx::bar() {\n" " using NS1 = v1::l;\n" "}\n" "void xxx::foobar() {\n" " using NS1 = v1::l;\n" "}\n" "}"; const char exp[] = "namespace defsa { " "void xxx :: foo ( ) { " "} " "void xxx :: bar ( ) { " "} " "void xxx :: foobar ( ) { " "} " "}"; ASSERT_EQUALS(exp, tok(code)); } } void simplifyUsing10335() { const char code[] = "using uint8_t = unsigned char;\n" "enum E : uint8_t { E0 };"; const char exp[] = "enum E : unsigned char { E0 } ;"; ASSERT_EQUALS(exp, tok(code)); } void scopeInfo1() { const char code[] = "struct A {\n" " enum class Mode { UNKNOWN, ENABLED, NONE, };\n" "};\n" "\n" "namespace spdlog { class logger; }\n" "using LoggerPtr = std::shared_ptr;"; tok(code); ASSERT_EQUALS("", errout.str()); } void scopeInfo2() { const char code[] = "struct A {\n" " using Map = std::map;\n" " Map values;\n" "};\n" "\n" "static void getInitialProgramState(const A::Map& vars = A::Map {})\n" "{}\n"; tok(code); ASSERT_EQUALS("", errout.str()); } }; REGISTER_TEST(TestSimplifyUsing)