625 lines
22 KiB
C++
625 lines
22 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2019 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include "platform.h"
|
|
#include "settings.h"
|
|
#include "testsuite.h"
|
|
#include "token.h"
|
|
#include "tokenize.h"
|
|
#include "tokenlist.h"
|
|
|
|
struct InternalError;
|
|
|
|
|
|
class TestSimplifyUsing : public TestFixture {
|
|
public:
|
|
TestSimplifyUsing() : TestFixture("TestSimplifyUsing") {
|
|
}
|
|
|
|
|
|
private:
|
|
Settings settings0;
|
|
Settings settings1;
|
|
Settings settings2;
|
|
|
|
void run() OVERRIDE {
|
|
settings0.addEnabled("style");
|
|
settings2.addEnabled("style");
|
|
|
|
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(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);
|
|
}
|
|
|
|
std::string tok(const char code[], bool simplify = true, Settings::PlatformType type = Settings::Native, bool debugwarnings = true) {
|
|
errout.str("");
|
|
|
|
settings0.inconclusive = true;
|
|
settings0.debugwarnings = debugwarnings;
|
|
settings0.platform(type);
|
|
Tokenizer tokenizer(&settings0, this);
|
|
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
if (simplify)
|
|
tokenizer.simplifyTokenList2();
|
|
|
|
return tokenizer.tokens()->stringifyList(nullptr, !simplify);
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
void simplifyUsing7() {
|
|
const char code[] = "using abc = int; "
|
|
"Fred :: abc f ;";
|
|
const char expected[] = "Fred :: abc f ;";
|
|
ASSERT_EQUALS(expected, tok(code, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
void simplifyUsing12() {
|
|
const char code[] = "using V1 = vector<int>;\n"
|
|
"using V2 = std::vector<int>;\n"
|
|
"using V3 = std::vector<std::vector<int> >;\n"
|
|
"using IntListIterator = std::list<int>::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, false));
|
|
}
|
|
|
|
void simplifyUsing13() {
|
|
const char code[] = "using Func = std::pair<int(*)(void*), void*>;\n"
|
|
"using CallQueue = std::vector<Func>;\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, false));
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void simplifyUsing14() {
|
|
const char code[] = "template <typename F, unsigned int N> struct E"
|
|
"{"
|
|
" using v = E<F,(N>0)?(N-1):0>;"
|
|
" using val = typename add<v,v>::val;"
|
|
" FP_M(val);"
|
|
"};"
|
|
"template <typename F> struct E <F,0>"
|
|
"{"
|
|
" using nal = typename D<1>::val;"
|
|
" FP_M(val);"
|
|
"};";
|
|
|
|
tok(code, true, Settings::Native, false);
|
|
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, false));
|
|
}
|
|
|
|
{
|
|
const char code[] = "using frame = unsigned char [10];\n"
|
|
"frame f;";
|
|
|
|
const char expected[] = "unsigned char f [ 10 ] ;";
|
|
|
|
ASSERT_EQUALS(expected, tok(code, false));
|
|
}
|
|
}
|
|
|
|
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, false));
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void simplifyUsing8970() {
|
|
const char code[] = "using V = std::vector<int>;\n"
|
|
"struct A {\n"
|
|
" V p;\n"
|
|
"};";
|
|
|
|
const char expected[] = "struct A { "
|
|
"std :: vector < int > p ; "
|
|
"} ;";
|
|
|
|
ASSERT_EQUALS(expected, tok(code, false));
|
|
}
|
|
|
|
void simplifyUsing8971() {
|
|
const char code[] = "class A {\n"
|
|
"public:\n"
|
|
" using V = std::vector<double>;\n"
|
|
"};\n"
|
|
"using V = std::vector<int>;\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, false));
|
|
}
|
|
|
|
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, true, Settings::Unix32));
|
|
ASSERT_EQUALS(exp, tok(code, true, Settings::Unix64));
|
|
ASSERT_EQUALS(exp, tok(code, true, Settings::Win32A));
|
|
ASSERT_EQUALS(exp, tok(code, true, Settings::Win32W));
|
|
ASSERT_EQUALS(exp, tok(code, true, Settings::Win64));
|
|
}
|
|
|
|
void simplifyUsing9042() {
|
|
const char code[] = "template <class T>\n"
|
|
"class c {\n"
|
|
" int i = 0;\n"
|
|
" c() { i--; }\n"
|
|
"};\n"
|
|
"template <class T>\n"
|
|
"class s {};\n"
|
|
"using BOOL = char;";
|
|
|
|
const char exp[] = "template < class T > "
|
|
"class c { "
|
|
"int i ; i = 0 ; "
|
|
"c ( ) { i -- ; } "
|
|
"} ;";
|
|
|
|
ASSERT_EQUALS(exp, tok(code, true, 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[] = "namespace NS1 { "
|
|
"} "
|
|
"void f1 ( ) { "
|
|
"using namespace NS1 ; "
|
|
"signed long long A ; "
|
|
"} "
|
|
"void f2 ( ) { "
|
|
"using namespace NS1 :: NS2 ; "
|
|
"signed long long A ; "
|
|
"}";
|
|
|
|
ASSERT_EQUALS(exp, tok(code, false));
|
|
}
|
|
|
|
void simplifyUsing9381() {
|
|
const char code[] = "namespace ns {\n"
|
|
" class Result;\n"
|
|
" using UniqueResultPtr = std::unique_ptr<Result>;\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, false));
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
{
|
|
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, false));
|
|
}
|
|
}
|
|
|
|
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, false));
|
|
}
|
|
|
|
};
|
|
|
|
REGISTER_TEST(TestSimplifyUsing)
|