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cppcheck/test/testsimplifytemplate.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2021 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 "config.h"
#include "platform.h"
#include "settings.h"
#include "templatesimplifier.h"
#include "testsuite.h"
#include "token.h"
#include "tokenize.h"
#include <cstring>
struct InternalError;
class TestSimplifyTemplate : public TestFixture {
public:
TestSimplifyTemplate() : TestFixture("TestSimplifyTemplate") {
}
private:
Settings settings;
void run() OVERRIDE {
settings.severity.enable(Severity::portability);
// If there are unused templates, keep those
settings.checkUnusedTemplates = true;
TEST_CASE(template1);
TEST_CASE(template2);
TEST_CASE(template3);
TEST_CASE(template4);
TEST_CASE(template5);
TEST_CASE(template6);
TEST_CASE(template7);
TEST_CASE(template8);
TEST_CASE(template9);
TEST_CASE(template10);
TEST_CASE(template11);
TEST_CASE(template12);
TEST_CASE(template13);
TEST_CASE(template14);
TEST_CASE(template15); // recursive templates
TEST_CASE(template16);
TEST_CASE(template17);
TEST_CASE(template18);
TEST_CASE(template19);
TEST_CASE(template20);
TEST_CASE(template21);
TEST_CASE(template22);
TEST_CASE(template23);
TEST_CASE(template24); // #2648 - using sizeof in template parameter
TEST_CASE(template25); // #2648 - another test for sizeof template parameter
TEST_CASE(template26); // #2721 - passing 'char[2]' as template parameter
TEST_CASE(template27); // #3350 - removing unused template in macro call
TEST_CASE(template28);
TEST_CASE(template30); // #3529 - template < template < ..
TEST_CASE(template31); // #4010 - reference type
TEST_CASE(template32); // #3818 - mismatching template not handled well
TEST_CASE(template33); // #3818,#4544 - inner templates in template instantiation not handled well
TEST_CASE(template34); // #3706 - namespace => hang
TEST_CASE(template35); // #4074 - A<'x'> a;
TEST_CASE(template36); // #4310 - passing unknown template instantiation as template argument
TEST_CASE(template37); // #4544 - A<class B> a;
TEST_CASE(template38); // #4832 - crash on C++11 right angle brackets
TEST_CASE(template39); // #4742 - freeze
TEST_CASE(template40); // #5055 - template specialization outside struct
TEST_CASE(template41); // #4710 - const in instantiation not handled perfectly
TEST_CASE(template42); // #4878 - variadic templates
TEST_CASE(template43); // #5097 - assert due to '>>' not treated as end of template instantiation
TEST_CASE(template44); // #5297 - TemplateSimplifier::simplifyCalculations not eager enough
TEST_CASE(template45); // #5814 - syntax error reported for valid code
TEST_CASE(template46); // #5816 - syntax error reported for valid code
TEST_CASE(template47); // #6023 - syntax error reported for valid code
TEST_CASE(template48); // #6134 - 100% CPU upon invalid code
TEST_CASE(template49); // #6237 - template instantiation
TEST_CASE(template50); // #4272 - simple partial specialization
TEST_CASE(template52); // #6437 - crash upon valid code
TEST_CASE(template53); // #4335 - bail out for valid code
TEST_CASE(template54); // #6587 - memory corruption upon valid code
TEST_CASE(template55); // #6604 - simplify "const const" to "const" in template instantiations
TEST_CASE(template56); // #7117 - const ternary operator simplification as template parameter
TEST_CASE(template57); // #7891
TEST_CASE(template58); // #6021 - use after free (deleted tokens in simplifyCalculations)
TEST_CASE(template59); // #8051 - TemplateSimplifier::simplifyTemplateInstantiation failure
TEST_CASE(template60); // handling of methods outside template definition
TEST_CASE(template61); // daca2, kodi
TEST_CASE(template62); // #8314 - inner template instantiation
TEST_CASE(template63); // #8576 - qualified type
TEST_CASE(template64); // #8683
TEST_CASE(template65); // #8321
TEST_CASE(template66); // #8725
TEST_CASE(template67); // #8122
TEST_CASE(template68); // union
TEST_CASE(template69); // #8791
TEST_CASE(template70); // #5289
TEST_CASE(template71); // #8821
TEST_CASE(template72);
TEST_CASE(template73);
TEST_CASE(template74);
TEST_CASE(template75);
TEST_CASE(template76);
TEST_CASE(template77);
TEST_CASE(template78);
TEST_CASE(template79); // #5133
TEST_CASE(template80);
TEST_CASE(template81);
TEST_CASE(template82); // #8603
TEST_CASE(template83); // #8867
TEST_CASE(template84); // #8880
TEST_CASE(template85); // #8902 crash
TEST_CASE(template86); // crash
TEST_CASE(template87);
TEST_CASE(template88); // #6183
TEST_CASE(template89); // #8917
TEST_CASE(template90); // crash
TEST_CASE(template91);
TEST_CASE(template92);
TEST_CASE(template93); // crash
TEST_CASE(template94); // #8927 crash
TEST_CASE(template95); // #7417
TEST_CASE(template96); // #7854
TEST_CASE(template97);
TEST_CASE(template98); // #8959
TEST_CASE(template99); // #8960
TEST_CASE(template100); // #8967
TEST_CASE(template101); // #8968
TEST_CASE(template102); // #9005
TEST_CASE(template103);
TEST_CASE(template104); // #9021
TEST_CASE(template105); // #9076
TEST_CASE(template106);
TEST_CASE(template107); // #8663
TEST_CASE(template108); // #9109
TEST_CASE(template109); // #9144
TEST_CASE(template110);
TEST_CASE(template111); // crash
TEST_CASE(template112); // #9146 syntax error
TEST_CASE(template113);
TEST_CASE(template114); // #9155
TEST_CASE(template115); // #9153
TEST_CASE(template116); // #9178
TEST_CASE(template117);
TEST_CASE(template118);
TEST_CASE(template119); // #9186
TEST_CASE(template120);
TEST_CASE(template121); // #9193
TEST_CASE(template122); // #9147
TEST_CASE(template123); // #9183
TEST_CASE(template124); // #9197
TEST_CASE(template125);
TEST_CASE(template126); // #9217
TEST_CASE(template127); // #9225
TEST_CASE(template128); // #9224
TEST_CASE(template129);
TEST_CASE(template130); // #9246
TEST_CASE(template131); // #9249
TEST_CASE(template132); // #9250
TEST_CASE(template133);
TEST_CASE(template134);
TEST_CASE(template135);
TEST_CASE(template136); // #9287
TEST_CASE(template137); // #9288
TEST_CASE(template138);
TEST_CASE(template139);
TEST_CASE(template140);
TEST_CASE(template141); // #9337
TEST_CASE(template142); // #9338
TEST_CASE(template143);
TEST_CASE(template144); // #9046
TEST_CASE(template145); // syntax error
TEST_CASE(template146); // syntax error
TEST_CASE(template147); // syntax error
TEST_CASE(template148); // syntax error
TEST_CASE(template149); // unknown macro
TEST_CASE(template150); // syntax error
TEST_CASE(template151); // crash
TEST_CASE(template152); // #9467
TEST_CASE(template153); // #9483
TEST_CASE(template154); // #9495
TEST_CASE(template155); // #9539
TEST_CASE(template156);
TEST_CASE(template157); // #9854
TEST_CASE(template158); // daca crash
TEST_CASE(template159); // #9886
TEST_CASE(template160);
TEST_CASE(template161);
TEST_CASE(template162);
TEST_CASE(template163); // #9685 syntax error
TEST_CASE(template164); // #9394
TEST_CASE(template165); // #10032 syntax error
TEST_CASE(template166); // #10081 hang
TEST_CASE(template167);
TEST_CASE(template168);
TEST_CASE(template169);
TEST_CASE(template170); // crash
TEST_CASE(template171); // crash
TEST_CASE(template_specialization_1); // #7868 - template specialization template <typename T> struct S<C<T>> {..};
TEST_CASE(template_specialization_2); // #7868 - template specialization template <typename T> struct S<C<T>> {..};
TEST_CASE(template_enum); // #6299 Syntax error in complex enum declaration (including template)
TEST_CASE(template_unhandled);
TEST_CASE(template_default_parameter);
TEST_CASE(template_forward_declared_default_parameter);
TEST_CASE(template_default_type);
TEST_CASE(template_typename);
TEST_CASE(template_constructor); // #3152 - template constructor is removed
TEST_CASE(syntax_error_templates_1);
TEST_CASE(template_member_ptr); // Ticket #5786 - crash upon valid code
TEST_CASE(template_namespace_1);
TEST_CASE(template_namespace_2);
TEST_CASE(template_namespace_3);
TEST_CASE(template_namespace_4);
TEST_CASE(template_namespace_5);
TEST_CASE(template_namespace_6);
TEST_CASE(template_namespace_7); // #8768
TEST_CASE(template_namespace_8);
TEST_CASE(template_namespace_9);
TEST_CASE(template_namespace_10);
TEST_CASE(template_namespace_11); // #7145
TEST_CASE(template_pointer_type);
// Test TemplateSimplifier::templateParameters
TEST_CASE(templateParameters);
TEST_CASE(templateNamePosition);
TEST_CASE(findTemplateDeclarationEnd);
TEST_CASE(getTemplateParametersInDeclaration);
TEST_CASE(expandSpecialized1);
TEST_CASE(expandSpecialized2);
TEST_CASE(expandSpecialized3); // #8671
TEST_CASE(expandSpecialized4);
TEST_CASE(templateAlias1);
TEST_CASE(templateAlias2);
TEST_CASE(templateAlias3); // #8315
TEST_CASE(templateAlias4); // #9070
TEST_CASE(templateAlias5);
// Test TemplateSimplifier::instantiateMatch
TEST_CASE(instantiateMatch);
TEST_CASE(templateParameterWithoutName); // #8602 Template default parameter without name yields syntax error
TEST_CASE(templateTypeDeduction1); // #8962
TEST_CASE(templateTypeDeduction2);
TEST_CASE(templateTypeDeduction3);
TEST_CASE(templateTypeDeduction4); // #9983
TEST_CASE(templateTypeDeduction5);
TEST_CASE(simplifyTemplateArgs1);
TEST_CASE(simplifyTemplateArgs2);
TEST_CASE(template_variadic_1); // #9144
TEST_CASE(template_variadic_2); // #4349
TEST_CASE(template_variadic_3); // #6172
TEST_CASE(template_variable_1);
TEST_CASE(template_variable_2);
TEST_CASE(template_variable_3);
TEST_CASE(template_variable_4);
TEST_CASE(simplifyDecltype);
TEST_CASE(castInExpansion);
TEST_CASE(fold_expression_1);
TEST_CASE(fold_expression_2);
TEST_CASE(fold_expression_3);
TEST_CASE(fold_expression_4);
TEST_CASE(concepts1);
TEST_CASE(requires1);
TEST_CASE(requires2);
TEST_CASE(requires3);
TEST_CASE(requires4);
TEST_CASE(requires5);
}
std::string tok(const char code[], bool debugwarnings = false, Settings::PlatformType type = Settings::Native) {
errout.str("");
settings.debugwarnings = debugwarnings;
settings.platform(type);
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
return tokenizer.tokens()->stringifyList(nullptr, true);
}
void template1() {
const char code[] = "template <class T> T f(T val) { T a; }\n"
"f<int>(10);";
const char expected[] = "int f<int> ( int val ) ; "
"f<int> ( 10 ) ; "
"int f<int> ( int val ) { int a ; }";
ASSERT_EQUALS(expected, tok(code));
}
void template2() {
const char code[] = "template <class T> class Fred { T a; };\n"
"Fred<int> fred;";
const char expected[] = "class Fred<int> ; "
"Fred<int> fred ; "
"class Fred<int> { int a ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template3() {
const char code[] = "template <class T, int sz> class Fred { T data[sz]; };\n"
"Fred<float,4> fred;";
const char expected[] = "class Fred<float,4> ; "
"Fred<float,4> fred ; "
"class Fred<float,4> { float data [ 4 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template4() {
const char code[] = "template <class T> class Fred { Fred(); };\n"
"Fred<float> fred;";
const char expected[] = "class Fred<float> ; "
"Fred<float> fred ; "
"class Fred<float> { Fred<float> ( ) ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template5() {
const char code[] = "template <class T> class Fred { };\n"
"template <class T> Fred<T>::Fred() { }\n"
"Fred<float> fred;";
const char expected[] = "class Fred<float> ; "
"Fred<float> fred ; "
"class Fred<float> { } ; "
"Fred<float> :: Fred<float> ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template6() {
const char code[] = "template <class T> class Fred { };\n"
"Fred<float> fred1;\n"
"Fred<float> fred2;";
const char expected[] = "class Fred<float> ; "
"Fred<float> fred1 ; "
"Fred<float> fred2 ; "
"class Fred<float> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template7() {
// A template class that is not used => no simplification
{
const char code[] = "template <class T>\n"
"class ABC\n"
"{\n"
"public:\n"
" typedef ABC<T> m;\n"
"};\n";
const char expected[] = "template < class T > class ABC { public: } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <typename T> class ABC {\n"
"public:\n"
" typedef std::vector<T> type;\n"
"};\n"
"int main() {\n"
" ABC<int>::type v;\n"
" v.push_back(4);\n"
" return 0;\n"
"}\n";
const char wanted[] = "class ABC<int> ; "
"int main ( ) { "
"std :: vector < int > v ; "
"v . push_back ( 4 ) ; "
"return 0 ; "
"} "
"class ABC<int> { public: } ;";
const char current[] = "class ABC<int> ; "
"int main ( ) { "
"ABC<int> :: type v ; "
"v . push_back ( 4 ) ; "
"return 0 ; "
"} "
"class ABC<int> { public: } ;";
TODO_ASSERT_EQUALS(wanted, current, tok(code));
}
{
const char code[] = "template <typename T> class ABC {\n"
"public:\n"
" typedef std::vector<T> type;\n"
" void f()\n"
" {\n"
" ABC<int>::type v;\n"
" v.push_back(4);\n"
" }\n"
"};\n";
const char expected[] = "template < typename T > class ABC { "
"public: void f ( ) { "
"ABC < int > :: type v ; "
"v . push_back ( 4 ) ; "
"} "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
}
// Template definitions but no usage => no expansion
void template8() {
const char code[] = "template<typename T> class A;\n"
"template<typename T> class B;\n"
"\n"
"typedef A<int> x;\n"
"typedef B<int> y;\n"
"\n"
"template<typename T> class A {\n"
" void f() {\n"
" B<T> a = B<T>::g();\n"
" T b = 0;\n"
" if (b)\n"
" b = 0;\n"
" }\n"
"};\n"
"\n"
"template<typename T> inline B<T> h() { return B<T>(); }\n";
ASSERT_EQUALS("template < typename T > class A ; "
"template < typename T > class B ; "
"template < typename T > class A { void f ( ) { B < T > a ; a = B < T > :: g ( ) ; T b ; b = 0 ; if ( b ) { b = 0 ; } } } ; "
"template < typename T > B < T > h ( ) { return B < T > ( ) ; }", tok(code));
ASSERT_EQUALS("class A { template < typename T > int foo ( T d ) ; } ;", tok("class A{ template<typename T> int foo(T d);};"));
}
void template9() {
const char code[] = "template < typename T > class A { } ;\n"
"\n"
"void f ( ) {\n"
" A < int > a ;\n"
"}\n"
"\n"
"template < typename T >\n"
"class B {\n"
" void g ( ) {\n"
" A < T > b = A < T > :: h ( ) ;\n"
" }\n"
"} ;\n";
// The expected result..
const char expected[] = "class A<int> ; "
"void f ( ) { A<int> a ; } "
"template < typename T > class B { void g ( ) { A < T > b ; b = A < T > :: h ( ) ; } } ; "
"class A<int> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template10() {
const char code[] = "template <int ui, typename T> T * foo()\n"
"{ return new T[ui]; }\n"
"\n"
"void f ( )\n"
"{\n"
" foo<3,int>();\n"
"}\n";
// The expected result..
const char expected[] = "int * foo<3,int> ( ) ; "
"void f ( ) "
"{"
" foo<3,int> ( ) ; "
"} "
"int * foo<3,int> ( ) { return new int [ 3 ] ; }";
ASSERT_EQUALS(expected, tok(code));
}
void template11() {
const char code[] = "template <int ui, typename T> T * foo()\n"
"{ return new T[ui]; }\n"
"\n"
"void f ( )\n"
"{\n"
" char * p = foo<3,char>();\n"
"}\n";
// The expected result..
const char expected[] = "char * foo<3,char> ( ) ; "
"void f ( ) "
"{"
" char * p ; p = foo<3,char> ( ) ; "
"} "
"char * foo<3,char> ( ) { return new char [ 3 ] ; }";
ASSERT_EQUALS(expected, tok(code));
}
void template12() {
const char code[] = "template <int x, int y, int z>\n"
"class A : public B<x, y, (x - y) ? ((y < z) ? 1 : -1) : 0>\n"
"{ };\n"
"\n"
"void f()\n"
"{\n"
" A<12,12,11> a;\n"
"}\n";
const char expected[] = "class A<12,12,11> ; "
"void f ( ) "
"{"
" A<12,12,11> a ; "
"} "
"class A<12,12,11> : public B < 12 , 12 , 0 > "
"{ } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template13() {
const char code[] = "class BB {};\n"
"\n"
"template <class T>\n"
"class AA {\n"
"public:\n"
" static AA<T> create(T* newObject);\n"
" static int size();\n"
"};\n"
"\n"
"class CC { public: CC(AA<BB>, int) {} };\n"
"\n"
"class XX {\n"
" AA<CC> y;\n"
"public:\n"
" XX();\n"
"};\n"
"\n"
"XX::XX():\n"
" y(AA<CC>::create(new CC(AA<BB>(), 0)))\n"
" {}\n"
"\n"
"int yy[AA<CC>::size()];";
const char expected[] = "class BB { } ; "
"class AA<BB> ; "
"class AA<CC> ; "
"class CC { public: CC ( AA<BB> , int ) { } } ; "
"class XX { "
"AA<CC> y ; "
"public: "
"XX ( ) ; "
"} ; "
"XX :: XX ( ) : "
"y ( AA<CC> :: create ( new CC ( AA<BB> ( ) , 0 ) ) ) "
"{ } "
"int yy [ AA<CC> :: size ( ) ] ; "
"class AA<BB> { "
"public: "
"static AA<BB> create ( BB * newObject ) ; "
"static int size ( ) ; "
"} ; "
"class AA<CC> { "
"public: "
"static AA<CC> create ( CC * newObject ) ; "
"static int size ( ) ; "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void template14() {
const char code[] = "template <> void foo<int *>()\n"
"{ x(); }\n"
"\n"
"int main()\n"
"{\n"
"foo<int*>();\n"
"}\n";
const char expected[] = "void foo<int*> ( ) ; "
"void foo<int*> ( ) "
"{ x ( ) ; } "
"int main ( ) "
"{ foo<int*> ( ) ; }";
ASSERT_EQUALS(expected, tok(code));
}
void template15() { // recursive templates #3130 etc
const char code[] = "template <unsigned int i> void a()\n"
"{\n"
" a<i-1>();\n"
"}\n"
"\n"
"template <> void a<0>()\n"
"{ }\n"
"\n"
"int main()\n"
"{\n"
" a<2>();\n"
" return 0;\n"
"}\n";
// The expected result..
const char expected[] = "void a<0> ( ) ; "
"void a<2> ( ) ; "
"void a<1> ( ) ; "
"void a<0> ( ) { } "
"int main ( ) "
"{ a<2> ( ) ; return 0 ; } "
"void a<2> ( ) { a<1> ( ) ; } "
"void a<1> ( ) { a<0> ( ) ; }";
ASSERT_EQUALS(expected, tok(code));
// #3130
const char code2[] = "template <int n> struct vec {\n"
" vec() {}\n"
" vec(const vec<n-1>& v) {}\n" // <- never used don't instantiate
"};\n"
"\n"
"vec<4> v;";
const char expected2[] = "struct vec<4> ; "
"vec<4> v ; "
"struct vec<4> { "
"vec<4> ( ) { } "
"vec<4> ( const vec < 4 - 1 > & v ) { } "
"} ;";
ASSERT_EQUALS(expected2, tok(code2));
}
void template16() {
const char code[] = "template <unsigned int i> void a()\n"
"{ }\n"
"\n"
"template <unsigned int i> void b()\n"
"{ a<i>(); }\n"
"\n"
"int main()\n"
"{\n"
" b<2>();\n"
" return 0;\n"
"}\n";
const char expected[] = "void a<2> ( ) ; "
"void b<2> ( ) ; "
"int main ( ) { b<2> ( ) ; return 0 ; } "
"void b<2> ( ) { a<2> ( ) ; } "
"void a<2> ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template17() {
const char code[] = "template<class T>\n"
"class Fred\n"
"{\n"
" template<class T>\n"
" static shared_ptr< Fred<T> > CreateFred()\n"
" {\n"
" }\n"
"};\n"
"\n"
"shared_ptr<int> i;\n";
const char expected[] = "template < class T > "
"class Fred "
"{ "
"template < class T > "
"static shared_ptr < Fred < T > > CreateFred ( ) "
"{ "
"} "
"} ; "
"shared_ptr < int > i ;";
ASSERT_EQUALS(expected, tok(code));
}
void template18() {
const char code[] = "template <class T> class foo { T a; };\n"
"foo<int> *f;";
const char expected[] = "class foo<int> ; "
"foo<int> * f ; "
"class foo<int> { int a ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template19() {
const char code[] = "template <typename T> T & foo()\n"
"{ static T temp; return temp; }\n"
"\n"
"void f ( )\n"
"{\n"
" char p = foo<char>();\n"
"}\n";
// The expected result..
const char expected[] = "char & foo<char> ( ) ; "
"void f ( ) "
"{"
" char p ; p = foo<char> ( ) ; "
"} "
"char & foo<char> ( ) { static char temp ; return temp ; }";
ASSERT_EQUALS(expected, tok(code));
}
void template20() {
// Ticket #1788 - the destructor implementation is lost
const char code[] = "template <class T> class A { public: ~A(); };\n"
"template <class T> A<T>::~A() {}\n"
"A<int> a;\n";
// The expected result..
const char expected[] = "class A<int> ; "
"A<int> a ; "
"class A<int> { public: ~ A<int> ( ) ; } ; "
"A<int> :: ~ A<int> ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template21() {
{
const char code[] = "template <class T> struct Fred { T a; };\n"
"Fred<int> fred;";
const char expected[] = "struct Fred<int> ; "
"Fred<int> fred ; "
"struct Fred<int> { int a ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <class T, int sz> struct Fred { T data[sz]; };\n"
"Fred<float,4> fred;";
const char expected[] = "struct Fred<float,4> ; "
"Fred<float,4> fred ; "
"struct Fred<float,4> { float data [ 4 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <class T> struct Fred { Fred(); };\n"
"Fred<float> fred;";
const char expected[] = "struct Fred<float> ; "
"Fred<float> fred ; "
"struct Fred<float> { Fred<float> ( ) ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <class T> struct Fred { };\n"
"Fred<float> fred1;\n"
"Fred<float> fred2;";
const char expected[] = "struct Fred<float> ; "
"Fred<float> fred1 ; "
"Fred<float> fred2 ; "
"struct Fred<float> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
}
void template22() {
const char code[] = "template <class T> struct Fred { T a; };\n"
"Fred<std::string> fred;";
const char expected[] = "struct Fred<std::string> ; "
"Fred<std::string> fred ; "
"struct Fred<std::string> { std :: string a ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template23() {
const char code[] = "template <class T> void foo() { }\n"
"void bar() {\n"
" std::cout << (foo<double>());\n"
"}";
const char expected[] = "void foo<double> ( ) ; "
"void bar ( ) {"
" std :: cout << ( foo<double> ( ) ) ; "
"} "
"void foo<double> ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template24() {
// #2648
const char code[] = "template<int n> struct B\n"
"{\n"
" int a[n];\n"
"};\n"
"\n"
"template<int x> class bitset: B<sizeof(int)>\n"
"{};\n"
"\n"
"bitset<1> z;";
const char expected[] = "struct B<4> ; "
"class bitset<1> ; "
"bitset<1> z ; "
"class bitset<1> : B<4> { } ; "
"struct B<4> { int a [ 4 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template25() {
const char code[] = "template<int n> struct B\n"
"{\n"
" int a[n];\n"
"};\n"
"\n"
"template<int x> class bitset: B<((sizeof(int)) ? : 1)>\n"
"{};\n"
"\n"
"bitset<1> z;";
const char expected[] = "struct B<4> ; "
"class bitset<1> ; "
"bitset<1> z ; "
"class bitset<1> : B<4> { } ; "
"struct B<4> { int a [ 4 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template26() {
// #2721
const char code[] = "template<class T>\n"
"class A { public: T x; };\n"
"\n"
"template<class M>\n"
"class C: public A<char[M]> {};\n"
"\n"
"C<2> a;\n";
// TODO: expand A also
ASSERT_EQUALS("template < class T > class A { public: T x ; } ; class C<2> ; C<2> a ; class C<2> : public A < char [ 2 ] > { } ;", tok(code));
}
void template27() {
// #3350 - template inside macro call
const char code[] = "X(template<class T> class Fred);";
ASSERT_THROW(tok(code), InternalError);
}
void template28() {
// #3226 - inner template
const char code[] = "template<class A, class B> class Fred {};\n"
"Fred<int,Fred<int,int> > x;\n";
ASSERT_EQUALS("class Fred<int,int> ; "
"class Fred<int,Fred<int,int>> ; "
"Fred<int,Fred<int,int>> x ; "
"class Fred<int,int> { } ; "
"class Fred<int,Fred<int,int>> { } ;", tok(code));
}
void template30() {
// #3529 - template < template < ..
const char code[] = "template<template<class> class A, class B> void f(){}";
ASSERT_EQUALS("template < template < class > class A , class B > void f ( ) { }", tok(code));
}
void template31() {
// #4010 - template reference type
const char code[] = "template<class T> struct A{}; A<int&> a;";
ASSERT_EQUALS("struct A<int&> ; "
"A<int&> a ; "
"struct A<int&> { } ;", tok(code));
// #7409 - rvalue
const char code2[] = "template<class T> struct A{}; A<int&&> a;";
ASSERT_EQUALS("struct A<int&&> ; "
"A<int&&> a ; "
"struct A<int&&> { } ;", tok(code2));
}
void template32() {
// #3818 - mismatching template not handled well
const char code[] = "template <class T1, class T2, class T3, class T4 > struct A { };\n"
"\n"
"template <class T>\n"
"struct B\n"
"{\n"
" public:\n"
" A < int, Pair<T, int>, int > a;\n" // mismatching parameters => don't instantiate
"};\n"
"\n"
"B<int> b;\n";
ASSERT_EQUALS("template < class T1 , class T2 , class T3 , class T4 > struct A { } ; "
"struct B<int> ; "
"B<int> b ; "
"struct B<int> { public: A < int , Pair < int , int > , int > a ; } ;", tok(code));
}
void template33() {
{
// #3818 - inner templates in template instantiation not handled well
const char code[] = "template<class T> struct A { };\n"
"template<class T> struct B { };\n"
"template<class T> struct C { A<B<X<T> > > ab; };\n"
"C<int> c;";
ASSERT_EQUALS("struct A<B<X<int>>> ; "
"struct B<X<int>> ; "
"struct C<int> ; "
"C<int> c ; "
"struct C<int> { A<B<X<int>>> ab ; } ; "
"struct B<X<int>> { } ; " // <- redundant.. but nevermind
"struct A<B<X<int>>> { } ;", tok(code));
}
{
// #4544
const char code[] = "struct A { };\n"
"template<class T> struct B { };\n"
"template<class T> struct C { };\n"
"C< B<A> > c;";
ASSERT_EQUALS("struct A { } ; "
"template < class T > struct B { } ; " // <- redundant.. but nevermind
"struct C<B<A>> ; "
"C<B<A>> c ; "
"struct C<B<A>> { } ;",
tok(code));
}
}
void template34() {
// #3706 - namespace => hang
const char code[] = "namespace abc {\n"
"template <typename T> struct X { void f(X<T> &x) {} };\n"
"}\n"
"template <> int X<int>::Y(0);";
tok(code);
}
void template35() { // #4074 - "A<'x'> a;" is not recognized as template instantiation
const char code[] = "template <char c> class A {};\n"
"A <'x'> a;";
ASSERT_EQUALS("class A<'x'> ; "
"A<'x'> a ; "
"class A<'x'> { } ;", tok(code));
}
void template36() { // #4310 - Passing unknown template instantiation as template argument
const char code[] = "template <class T> struct X { T t; };\n"
"template <class C> struct Y { Foo < X< Bar<C> > > _foo; };\n" // <- Bar is unknown
"Y<int> bar;";
ASSERT_EQUALS("struct X<Bar<int>> ; "
"struct Y<int> ; "
"Y<int> bar ; "
"struct Y<int> { Foo < X<Bar<int>> > _foo ; } ; "
"struct X<Bar<int>> { Bar < int > t ; } ;",
tok(code));
}
void template37() { // #4544 - A<class B> a;
{
const char code[] = "class A { };\n"
"template<class T> class B {};\n"
"B<class A> b1;\n"
"B<A> b2;";
ASSERT_EQUALS("class A { } ; class B<A> ; B<A> b1 ; B<A> b2 ; class B<A> { } ;",
tok(code));
}
{
const char code[] = "struct A { };\n"
"template<class T> class B {};\n"
"B<struct A> b1;\n"
"B<A> b2;";
ASSERT_EQUALS("struct A { } ; class B<A> ; B<A> b1 ; B<A> b2 ; class B<A> { } ;",
tok(code));
}
{
const char code[] = "enum A { };\n"
"template<class T> class B {};\n"
"B<enum A> b1;\n"
"B<A> b2;";
ASSERT_EQUALS("enum A { } ; class B<A> ; B<A> b1 ; B<A> b2 ; class B<A> { } ;",
tok(code));
}
}
void template_unhandled() {
// An unhandled template usage should not be simplified..
ASSERT_EQUALS("x < int > ( ) ;", tok("x<int>();"));
}
void template38() { // #4832 - Crash on C++11 right angle brackets
const char code[] = "template <class T> class A {\n"
" T mT;\n"
"public:\n"
" void foo() {}\n"
"};\n"
"\n"
"int main() {\n"
" A<A<BLA>> gna1;\n"
" A<BLA> gna2;\n"
"}\n";
const char expected[] = "class A<BLA> ; "
"class A<A<BLA>> ; "
"int main ( ) { "
"A<A<BLA>> gna1 ; "
"A<BLA> gna2 ; "
"} "
"class A<BLA> { "
"BLA mT ; "
"public: "
"void foo ( ) { } "
"} ; "
"class A<A<BLA>> { "
"A<BLA> mT ; "
"public: "
"void foo ( ) { } "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void template39() { // #4742 - Used to freeze in 1.60
const char code[] = "template<typename T> struct vector {"
" operator T() const;"
"};"
"void f() {"
" vector<vector<int>> v;"
" const vector<int> vi = static_cast<vector<int>>(v);"
"}";
tok(code);
}
void template40() { // #5055 - false negatives when there is template specialization outside struct
const char code[] = "struct A {"
" template<typename T> struct X { T t; };"
"};"
"template<> struct A::X<int> { int *t; };";
const char expected[] = "struct A { "
"struct X<int> ; "
"template < typename T > struct X { T t ; } ; "
"} ; "
"struct A :: X<int> { int * t ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template41() { // #4710 - const in template instantiation not handled perfectly
const char code1[] = "template<class T> struct X { };\n"
"void f(const X<int> x) { }";
ASSERT_EQUALS("struct X<int> ; "
"void f ( const X<int> x ) { } "
"struct X<int> { } ;", tok(code1));
const char code2[] = "template<class T> T f(T t) { return t; }\n"
"int x() { return f<int>(123); }";
ASSERT_EQUALS("int f<int> ( int t ) ; "
"int x ( ) { return f<int> ( 123 ) ; } "
"int f<int> ( int t ) { return t ; }", tok(code2));
}
void template42() { // #4878 cppcheck aborts in ext-blocks.cpp (clang testcode)
const char code[] = "template<typename ...Args>\n"
"int f0(Args ...args) {\n"
" return ^ {\n"
" return sizeof...(Args);\n"
" }() + ^ {\n"
" return sizeof...(args);\n"
" }();\n"
"}";
ASSERT_THROW(tok(code), InternalError);
}
void template43() { // #5097 - Assert due to '>>' in 'B<A<C>>' not being treated as end of template instantiation
const char code[] = "template <typename T> struct E { typedef int Int; };\n"
"template <typename T> struct C { };\n"
"template <typename T> struct D { static int f() { return C<T>::f(); } };\n"
"template <typename T> inline int f2() { return D<T>::f(); }\n"
"template <typename T> int f1 (int x, T *) { int id = f2<T>(); return id; }\n"
"template <typename T> struct B { void f3(B<T> & other) { } };\n"
"struct A { };\n"
"template <> struct C<B<A>> {\n"
" static int f() { return f1<B<A>>(0, reinterpret_cast<B<A>*>(E<void*>::Int(-1))); }\n"
"};\n"
"int main(void) {\n"
" C<A> ca;\n"
" return 0;\n"
"}";
const char expected[] = "struct E<void*> ; "
"struct C<B<A>> ; "
"struct C<A> ; "
"struct D<B<A>> ; "
"int f2<B<A>> ( ) ; "
"int f1<B<A>> ( int x , B<A> * ) ; "
"struct B<A> ; "
"struct A { } ; "
"struct C<B<A>> { "
"static int f ( ) { "
"return f1<B<A>> ( 0 , reinterpret_cast < B<A> * > ( E<void*> :: Int ( -1 ) ) ) ; "
"} "
"} ; "
"int main ( void ) { "
"C<A> ca ; "
"return 0 ; "
"} "
"struct B<A> { "
"void f3 ( B<A> & other ) { } "
"} ; "
"int f1<B<A>> ( int x , B<A> * ) { "
"int id ; id = f2<B<A>> ( ) ; "
"return id ; "
"} "
"int f2<B<A>> ( ) { "
"return D<B<A>> :: f ( ) ; "
"} "
"struct D<B<A>> { "
"static int f ( ) { "
"return C<B<A>> :: f ( ) ; "
"} "
"} ; "
"struct C<A> { } ; struct E<void*> { "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void template44() { // #5297
const char code[] = "template<class T> struct StackContainer {"
" void foo(int i) {"
" if (0 >= 1 && i<0) {}"
" }"
"};"
"template<class T> class ZContainer : public StackContainer<T> {};"
"struct FGSTensor {};"
"class FoldedZContainer : public ZContainer<FGSTensor> {};";
const char expected[] = "struct StackContainer<FGSTensor> ; "
"class ZContainer<FGSTensor> ; "
"struct FGSTensor { } ; "
"class FoldedZContainer : public ZContainer<FGSTensor> { } ; "
"class ZContainer<FGSTensor> : public StackContainer<FGSTensor> { } ; "
"struct StackContainer<FGSTensor> { "
"void foo ( int i ) { "
"if ( 0 >= 1 && i < 0 ) { } "
"} "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void template45() { // #5814
const char code[] = "namespace Constants { const int fourtytwo = 42; } "
"template <class T, int U> struct TypeMath { "
" static const int mult = sizeof(T) * U; "
"}; "
"template <class T> struct FOO { "
" enum { value = TypeMath<T, Constants::fourtytwo>::mult }; "
"}; "
"FOO<int> foo;";
const char expected[] = "namespace Constants { const int fourtytwo = 42 ; } "
"struct TypeMath<int,Constants::fourtytwo> ; "
"struct FOO<int> ; "
"FOO<int> foo ; "
"struct FOO<int> { "
"enum Anonymous0 { value = TypeMath<int,Constants::fourtytwo> :: mult } ; "
"} ; "
"struct TypeMath<int,Constants::fourtytwo> { "
"static const int mult = sizeof ( int ) * Constants :: fourtytwo ; "
"} ;";
ASSERT_EQUALS(expected, tok(code, true));
ASSERT_EQUALS("", errout.str());
}
void template46() { // #5816
tok("template<class T, class U> struct A { static const int value = 0; }; "
"template <class T> struct B { "
" enum { value = A<typename T::type, int>::value }; "
"};");
ASSERT_EQUALS("", errout.str());
tok("template <class T, class U> struct A {}; "
"enum { e = sizeof(A<int, int>) }; "
"template <class T, class U> struct B {};");
ASSERT_EQUALS("", errout.str());
tok("template<class T, class U> struct A { static const int value = 0; }; "
"template<class T> struct B { typedef int type; }; "
"template <class T> struct C { "
" enum { value = A<typename B<T>::type, int>::value }; "
"};");
ASSERT_EQUALS("", errout.str());
}
void template47() { // #6023
tok("template <typename T1, typename T2 = T3<T1> > class C1 {}; "
"class C2 : public C1<C2> {};");
ASSERT_EQUALS("", errout.str());
}
void template48() { // #6134
tok("template <int> int f( { } ); "
"int foo = f<1>(0);");
ASSERT_EQUALS("", errout.str());
}
void template49() { // #6237
const char code[] = "template <class T> class Fred { void f(); void g(); };\n"
"template <class T> void Fred<T>::f() { }\n"
"template <class T> void Fred<T>::g() { }\n"
"template void Fred<float>::f();\n"
"template void Fred<int>::g();\n";
const char expected[] = "class Fred<float> ; "
"class Fred<int> ; "
"class Fred<float> { void f ( ) ; void g ( ) ; } ; "
"void Fred<float> :: f ( ) { } "
"void Fred<float> :: g ( ) { } "
"class Fred<int> { void f ( ) ; void g ( ) ; } ; "
"void Fred<int> :: f ( ) { } "
"void Fred<int> :: g ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template50() { // #4272
const char code[] = "template <class T> class Fred { void f(); };\n"
"template <class T> void Fred<T>::f() { }\n"
"template<> void Fred<float>::f() { }\n"
"template<> void Fred<int>::f() { }\n";
const char expected[] = "class Fred<float> ; "
"class Fred<int> ; "
"template < > void Fred<float> :: f ( ) { } "
"template < > void Fred<int> :: f ( ) { } "
"class Fred<float> { void f ( ) ; } ; "
"void Fred<float> :: f ( ) { } "
"class Fred<int> { void f ( ) ; } ; "
"void Fred<int> :: f ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template52() { // #6437
const char code[] = "template <int value> int sum() { "
" return value + sum<value/2>(); "
"} "
"template<int x, int y> int calculate_value() { "
" if (x != y) { "
" return sum<x - y>(); "
" } else { "
" return 0; "
" } "
"} "
"int value = calculate_value<1,1>();";
const char expected[] = "int sum<0> ( ) ; "
"int calculate_value<1,1> ( ) ; "
"int value ; value = calculate_value<1,1> ( ) ; "
"int calculate_value<1,1> ( ) { "
"if ( 1 != 1 ) { "
"return sum<0> ( ) ; "
"} else { "
"return 0 ; "
"} "
"} "
"int sum<0> ( ) { "
"return 0 + sum<0> ( ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void template53() { // #4335
const char code[] = "template<int N> struct Factorial { "
" enum { value = N * Factorial<N - 1>::value }; "
"};"
"template <> struct Factorial<0> { "
" enum { value = 1 }; "
"};"
"const int x = Factorial<4>::value;";
const char expected[] = "struct Factorial<0> ; "
"struct Factorial<4> ; "
"struct Factorial<3> ; "
"struct Factorial<2> ; "
"struct Factorial<1> ; "
"struct Factorial<0> { "
"enum Anonymous1 { value = 1 } ; "
"} ; "
"const int x = Factorial<4> :: value ; "
"struct Factorial<4> { "
"enum Anonymous0 { value = 4 * Factorial<3> :: value } ; "
"} ; "
"struct Factorial<3> { "
"enum Anonymous0 { value = 3 * Factorial<2> :: value } ; "
"} ; "
"struct Factorial<2> { "
"enum Anonymous0 { value = 2 * Factorial<1> :: value } ; "
"} ; "
"struct Factorial<1> { "
"enum Anonymous0 { value = 1 * Factorial<0> :: value } ; "
"} ;";
ASSERT_EQUALS(expected, tok(code, true));
ASSERT_EQUALS("", errout.str());
}
void template54() { // #6587
tok("template<typename _Tp> _Tp* fn(); "
"template <class T> struct A { "
" template <class U, class S = decltype(fn<T>())> "
" struct B { }; "
"}; "
"A<int> a;");
}
void template55() { // #6604
// Avoid constconstconst in macro instantiations
ASSERT_EQUALS(
"template < class T > class AtSmartPtr : public ConstCastHelper < AtSmartPtr < const T > , T > { "
"friend struct ConstCastHelper < AtSmartPtr < const T > , T > ; "
"AtSmartPtr ( const AtSmartPtr < T > & r ) ; "
"} ;",
tok("template<class T> class AtSmartPtr : public ConstCastHelper<AtSmartPtr<const T>, T>\n"
"{\n"
" friend struct ConstCastHelper<AtSmartPtr<const T>, T>;\n"
" AtSmartPtr(const AtSmartPtr<T>& r);\n"
"};"));
// Similar problem can also happen with ...
ASSERT_EQUALS(
"struct A<int> ; "
"struct A<int...> ; "
"A<int> a ( 0 ) ; "
"struct A<int> { "
"A<int> ( int * p ) { ( A<int...> * ) ( p ) ; } "
"} ; "
"struct A<int...> { "
"A<int...> ( int * p ) { "
"( A<int...> * ) ( p ) ; "
"} } ;",
tok("template <typename... T> struct A\n"
"{\n"
" A(T* p) {\n"
" (A<T...>*)(p);\n"
" }\n"
"};\n"
"A<int> a(0);"));
}
void template56() { // #7117
const char code[] = "template<bool B> struct Foo { "
" std::array<int, B ? 1 : 2> mfoo; "
"}; "
"void foo() { "
" Foo<true> myFoo; "
"}";
const char expected[] = "struct Foo<true> ; "
"void foo ( ) { "
"Foo<true> myFoo ; "
"} struct Foo<true> { "
"std :: array < int , 1 > mfoo ; "
"} ;";
ASSERT_EQUALS(expected, tok(code, true));
ASSERT_EQUALS("", errout.str());
}
void template57() { // #7891
const char code[] = "template<class T> struct Test { Test(T); };\n"
"Test<unsigned long> test( 0 );";
const char exp [] = "struct Test<unsignedlong> ; "
"Test<unsignedlong> test ( 0 ) ; "
"struct Test<unsignedlong> { Test<unsignedlong> ( unsigned long ) ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template58() { // #6021
const char code[] = "template <typename A>\n"
"void TestArithmetic() {\n"
" x(1 * CheckedNumeric<A>());\n"
"}\n"
"void foo() {\n"
" TestArithmetic<int>();\n"
"}";
const char exp[] = "void TestArithmetic<int> ( ) ; "
"void foo ( ) {"
" TestArithmetic<int> ( ) ; "
"} "
"void TestArithmetic<int> ( ) {"
" x ( 1 * CheckedNumeric < int > ( ) ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template59() { // #8051
const char code[] = "template<int N>\n"
"struct Factorial {\n"
" enum FacHelper { value = N * Factorial<N - 1>::value };\n"
"};\n"
"template <>\n"
"struct Factorial<0> {\n"
" enum FacHelper { value = 1 };\n"
"};\n"
"template<int DiagonalDegree>\n"
"int diagonalGroupTest() {\n"
" return Factorial<DiagonalDegree>::value;\n"
"}\n"
"int main () {\n"
" return diagonalGroupTest<4>();\n"
"}";
const char exp[] = "struct Factorial<0> ; "
"struct Factorial<4> ; "
"struct Factorial<3> ; "
"struct Factorial<2> ; "
"struct Factorial<1> ; "
"struct Factorial<0> { enum FacHelper { value = 1 } ; } ; "
"int diagonalGroupTest<4> ( ) ; "
"int main ( ) { return diagonalGroupTest<4> ( ) ; } "
"int diagonalGroupTest<4> ( ) { return Factorial<4> :: value ; } "
"struct Factorial<4> { enum FacHelper { value = 4 * Factorial<3> :: value } ; } ; "
"struct Factorial<3> { enum FacHelper { value = 3 * Factorial<2> :: value } ; } ; "
"struct Factorial<2> { enum FacHelper { value = 2 * Factorial<1> :: value } ; } ; "
"struct Factorial<1> { enum FacHelper { value = 1 * Factorial<0> :: value } ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template60() { // Extracted from Clang testfile
const char code[] = "template <typename T> struct S { typedef int type; };\n"
"template <typename T> void f() {}\n"
"template <typename T> void h() { f<typename S<T>::type(0)>(); }\n"
"\n"
"void j() { h<int>(); }";
const char exp[] = "struct S<int> ; "
"void f<S<int>::type(0)> ( ) ; "
"void h<int> ( ) ; "
"void j ( ) { h<int> ( ) ; } "
"void h<int> ( ) { f<S<int>::type(0)> ( ) ; } "
"struct S<int> { } ; "
"void f<S<int>::type(0)> ( ) { }";
const char act[] = "template < typename T > struct S { } ; "
"void f<S<int>::type(0)> ( ) ; "
"void h<int> ( ) ; "
"void j ( ) { h<int> ( ) ; } "
"void h<int> ( ) { f<S<int>::type(0)> ( ) ; } "
"void f<S<int>::type(0)> ( ) { }";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
void template61() { // hang in daca, code extracted from kodi
const char code[] = "template <typename T> struct Foo {};\n"
"template <typename T> struct Bar {\n"
" void f1(Bar<T> x) {}\n"
" Foo<Bar<T>> f2() { }\n"
"};\n"
"Bar<int> c;";
const char exp[] = "struct Foo<Bar<int>> ; "
"struct Bar<int> ; "
"Bar<int> c ; "
"struct Bar<int> {"
" void f1 ( Bar<int> x ) { }"
" Foo<Bar<int>> f2 ( ) { } "
"} ; "
"struct Foo<Bar<int>> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template62() { // #8314
const char code[] = "template <class T> struct C1 {};\n"
"template <class T> void f() { x = y ? C1<int>::allocate(1) : 0; }\n"
"template <class T, unsigned S> class C3 {};\n"
"template <class T, unsigned S> C3<T, S>::C3(const C3<T, S> &v) { C1<T *> c1; }\n"
"C3<int,6> c3;";
const char exp[] = "struct C1<int*> ; "
"template < class T > void f ( ) { x = y ? ( C1 < int > :: allocate ( 1 ) ) : 0 ; } "
"class C3<int,6> ; "
"C3<int,6> c3 ; "
"class C3<int,6> { } ; "
"C3<int,6> :: C3<int,6> ( const C3<int,6> & v ) { C1<int*> c1 ; } "
"struct C1<int*> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template63() { // #8576
const char code[] = "template<class T> struct TestClass { T m_hi; };"
"TestClass<std::auto_ptr<v>> objTest3;";
const char exp[] = "struct TestClass<std::auto_ptr<v>> ; "
"TestClass<std::auto_ptr<v>> objTest3 ; "
"struct TestClass<std::auto_ptr<v>> { std :: auto_ptr < v > m_hi ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template64() { // #8683
const char code[] = "template <typename T>\n"
"bool foo(){return true;}\n"
"struct A {\n"
"template<int n>\n"
"void t_func()\n"
"{\n"
" if( n != 0 || foo<int>());\n"
"}\n"
"void t_caller()\n"
"{\n"
" t_func<0>();\n"
" t_func<1>();\n"
"}\n"
"};";
const char exp [] = "bool foo<int> ( ) ; "
"struct A { "
"void t_func<0> ( ) ; "
"void t_func<1> ( ) ; "
"void t_caller ( ) "
"{ "
"t_func<0> ( ) ; "
"t_func<1> ( ) ; "
"} "
"} ; "
"void A :: t_func<0> ( ) "
"{ "
"if ( 0 != 0 || foo<int> ( ) ) { ; } "
"} "
"void A :: t_func<1> ( ) "
"{ "
"if ( 1 != 0 || foo<int> ( ) ) { ; } "
"} "
"bool foo<int> ( ) { return true ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template65() { // #8321 (crash)
const char code[] = "namespace bpp\n"
"{\n"
"template<class N, class E, class DAGraphImpl>\n"
"class AssociationDAGraphImplObserver :\n"
" public AssociationGraphImplObserver<N, E, DAGraphImpl>\n"
"{};\n"
"template<class N, class E>\n"
"using AssociationDAGlobalGraphObserver = AssociationDAGraphImplObserver<N, E, DAGlobalGraph>;\n"
"}\n"
"using namespace bpp;\n"
"using namespace std;\n"
"int main() {\n"
" AssociationDAGlobalGraphObserver<string,unsigned int> grObs;\n"
" return 1;\n"
"}";
const char exp [] = "namespace bpp "
"{ "
"class AssociationDAGraphImplObserver<string,unsignedint,DAGlobalGraph> ; "
"} "
"using namespace bpp ; "
"int main ( ) { "
"bpp :: AssociationDAGraphImplObserver<string,unsignedint,DAGlobalGraph> grObs ; "
"return 1 ; "
"} class bpp :: AssociationDAGraphImplObserver<string,unsignedint,DAGlobalGraph> : "
"public AssociationGraphImplObserver < std :: string , unsigned int , DAGlobalGraph > "
"{ } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template66() { // #8725
const char code[] = "template <class T> struct Fred {\n"
" const int ** foo();\n"
"};\n"
"template <class T> const int ** Fred<T>::foo() { return nullptr; }\n"
"Fred<int> fred;";
const char exp [] = "struct Fred<int> ; "
"Fred<int> fred ; "
"struct Fred<int> { "
"const int * * foo ( ) ; "
"} ; "
"const int * * Fred<int> :: foo ( ) { return nullptr ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template67() { // ticket #8122
const char code[] = "template <class T> struct Container {\n"
" Container();\n"
" Container(const Container &);\n"
" Container & operator = (const Container &);\n"
" ~Container();\n"
" T* mElements;\n"
" const Container * c;\n"
"};\n"
"template <class T> Container<T>::Container() : mElements(nullptr), c(nullptr) {}\n"
"template <class T> Container<T>::Container(const Container & x) { nElements = x.nElements; c = x.c; }\n"
"template <class T> Container<T> & Container<T>::operator = (const Container & x) { mElements = x.mElements; c = x.c; return *this; }\n"
"template <class T> Container<T>::~Container() {}\n"
"Container<int> intContainer;";
const char expected[] = "struct Container<int> ; "
"Container<int> intContainer ; "
"struct Container<int> { "
"Container<int> ( ) ; "
"Container<int> ( const Container<int> & ) ; "
"Container<int> & operator= ( const Container<int> & ) ; "
"~ Container<int> ( ) ; "
"int * mElements ; "
"const Container<int> * c ; "
"} ; "
"Container<int> :: Container<int> ( ) : mElements ( nullptr ) , c ( nullptr ) { } "
"Container<int> :: Container<int> ( const Container<int> & x ) { nElements = x . nElements ; c = x . c ; } "
"Container<int> & Container<int> :: operator= ( const Container<int> & x ) { mElements = x . mElements ; c = x . c ; return * this ; } "
"Container<int> :: ~ Container<int> ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template68() {
const char code[] = "template <class T> union Fred {\n"
" char dummy[sizeof(T)];\n"
" T value;\n"
"};\n"
"Fred<int> fred;";
const char exp [] = "union Fred<int> ; "
"Fred<int> fred ; "
"union Fred<int> { "
"char dummy [ sizeof ( int ) ] ; "
"int value ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template69() { // #8791
const char code[] = "class Test {\n"
" int test;\n"
" template <class T> T lookup() { return test; }\n"
" int Fun() { return lookup<int>(); }\n"
"};";
const char exp [] = "class Test { "
"int test ; "
"int lookup<int> ( ) ; "
"int Fun ( ) { return lookup<int> ( ) ; } "
"} ; "
"int Test :: lookup<int> ( ) { return test ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template70() { // #5289
const char code[] = "template<typename T, typename V, int KeySize = 0> class Bar;\n"
"template<>\n"
"class Bar<void, void> {\n"
"};\n"
"template<typename K, typename V, int KeySize>\n"
"class Bar : private Bar<void, void> {\n"
" void foo() { }\n"
"};";
const char exp [] = "template < typename T , typename V , int KeySize = 0 > class Bar ; "
"class Bar<void,void> ; "
"class Bar<void,void> { "
"} ; "
"template < typename K , typename V , int KeySize = 0 > "
"class Bar : private Bar<void,void> { "
"void foo ( ) { } "
"} ;";
const char act [] = "template < typename T , typename V , int KeySize = 0 > class Bar ; "
"class Bar<void,void> { "
"} ; "
"class Bar<void,void> ; "
"template < typename K , typename V , int KeySize = 0 > "
"class Bar : private Bar<void,void> { "
"void foo ( ) { } "
"} ;";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
void template71() { // #8821
const char code[] = "int f1(int * pInterface, int x) { return 0; }\n"
"\n"
"template< class interface_type > class Reference {\n"
" template< class interface_type > int i();\n"
" int *pInterface;\n"
"};\n"
"\n"
"template< class interface_type > int Reference< interface_type >::i() {\n"
" return f1(pInterface, interface_type::static_type());\n"
"}\n"
"\n"
"Reference< class XPropertyList > dostuff();";
const char exp [] = "int f1 ( int * pInterface , int x ) { return 0 ; } "
"class Reference<XPropertyList> ; "
"Reference<XPropertyList> dostuff ( ) ; "
"class Reference<XPropertyList> { template < class XPropertyList > int i ( ) ; int * pInterface ; } ; "
"int Reference<XPropertyList> :: i ( ) { return f1 ( pInterface , XPropertyList :: static_type ( ) ) ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template72() {
const char code[] = "template <typename N, typename P> class Tokenizer;\n"
"const Tokenizer<Node, Path> *tokenizer() const;\n"
"template <typename N, typename P>\n"
"Tokenizer<N, P>::Tokenizer() { }";
const char exp [] = "template < typename N , typename P > class Tokenizer ; "
"const Tokenizer < Node , Path > * tokenizer ( ) const ; "
"template < typename N , typename P > "
"Tokenizer < N , P > :: Tokenizer ( ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template73() {
const char code[] = "template<typename T>\n"
"void keep_range(T& value, const T mini, const T maxi){}\n"
"template void keep_range<float>(float& v, const float l, const float u);\n"
"template void keep_range<int>(int& v, const int l, const int u);";
const char exp[] = "void keep_range<float> ( float & value , const float mini , const float maxi ) ; "
"void keep_range<int> ( int & value , const int mini , const int maxi ) ; "
"void keep_range<float> ( float & value , const float mini , const float maxi ) { } "
"void keep_range<int> ( int & value , const int mini , const int maxi ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template74() {
const char code[] = "template <class T> class BTlist { };\n"
"class PushBackStreamBuf {\n"
"public:\n"
" void pushBack(const BTlist<int> &vec);\n"
"};";
const char exp[] = "class BTlist<int> ; "
"class PushBackStreamBuf { "
"public: "
"void pushBack ( const BTlist<int> & vec ) ; "
"} ; "
"class BTlist<int> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template75() {
const char code[] = "template<typename T>\n"
"T foo(T& value){ return value; }\n"
"template std::vector<std::vector<int>> foo<std::vector<std::vector<int>>>(std::vector<std::vector<int>>& v);";
const char exp[] = "std :: vector < std :: vector < int > > foo<std::vector<std::vector<int>>> ( std :: vector < std :: vector < int > > & value ) ; "
"std :: vector < std :: vector < int > > foo<std::vector<std::vector<int>>> ( std :: vector < std :: vector < int > > & value ) { return value ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template76() {
const char code[] = "namespace NS {\n"
" template<typename T> T foo(T& value) { return value; }\n"
" template std::vector<std::vector<int>> foo<std::vector<std::vector<int>>>(std::vector<std::vector<int>>& v);\n"
"}\n"
"std::vector<std::vector<int>> v;\n"
"v = foo<std::vector<std::vector<int>>>(v);\n";
const char exp[] = "namespace NS { "
"std :: vector < std :: vector < int > > foo<std::vector<std::vector<int>>> ( std :: vector < std :: vector < int > > & value ) ; "
"} "
"std :: vector < std :: vector < int > > v ; "
"v = foo<std::vector<std::vector<int>>> ( v ) ; "
"std :: vector < std :: vector < int > > NS :: foo<std::vector<std::vector<int>>> ( std :: vector < std :: vector < int > > & value ) { return value ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template77() {
const char code[] = "template<typename T>\n"
"struct is_void : std::false_type { };\n"
"template<>\n"
"struct is_void<void> : std::true_type { };\n"
"int main() {\n"
" std::cout << is_void<char>::value << std::endl;\n"
" std::cout << is_void<void>::value << std::endl;\n"
"}";
const char exp[] = "struct is_void<void> ; "
"struct is_void<char> ; "
"struct is_void<void> : std :: true_type { } ; "
"int main ( ) { "
"std :: cout << is_void<char> :: value << std :: endl ; "
"std :: cout << is_void<void> :: value << std :: endl ; "
"} "
"struct is_void<char> : std :: false_type { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template78() {
const char code[] = "template <typename>\n"
"struct Base { };\n"
"struct S : Base <void>::Type { };";
const char exp[] = "struct Base<void> ; "
"struct S : Base<void> :: Type { } ; "
"struct Base<void> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template79() { // #5133
const char code[] = "class Foo {\n"
"public:\n"
" template<typename T> void foo() { bar<T>(); }\n"
"private:\n"
" template<typename T> void bar() { bazz(); }\n"
" void bazz() { }\n"
"};\n"
"void some_func() {\n"
" Foo x;\n"
" x.foo<int>();\n"
"}";
const char exp[] = "class Foo { "
"public: "
"void foo<int> ( ) ; "
"private: "
"void bar<int> ( ) ; "
"void bazz ( ) { } "
"} ; "
"void some_func ( ) { "
"Foo x ; "
"x . foo<int> ( ) ; "
"} "
"void Foo :: foo<int> ( ) { bar<int> ( ) ; } "
"void Foo :: bar<int> ( ) { bazz ( ) ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template80() {
const char code[] = "class Fred {\n"
" template <typename T> T foo(T t) const { return t; }\n"
"};\n"
"const void * p = Fred::foo<const void *>(nullptr);";
const char exp[] = "class Fred { "
"const void * foo<constvoid*> ( const void * t ) const ; "
"} ; "
"const void * p ; p = Fred :: foo<constvoid*> ( nullptr ) ; "
"const void * Fred :: foo<constvoid*> ( const void * t ) const { return t ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template81() {
const char code[] = "template <typename Type>\n"
"struct SortWith {\n"
" SortWith(Type);\n"
"};\n"
"template <typename Type>\n"
"SortWith<Type>::SortWith(Type) {}\n"
"int main() {\n"
" SortWith<int>(0);\n"
"}";
const char exp[] = "template < typename Type > "
"struct SortWith { "
"SortWith ( Type ) ; "
"} ; "
"SortWith<int> :: SortWith<int> ( int ) ; "
"int main ( ) { "
"SortWith<int> ( 0 ) ; "
"} "
"SortWith<int> :: SortWith<int> ( int ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template82() { // 8603
const char code[] = "typedef int comp;\n"
"const int f16=16;\n"
"template<int x>\n"
"class tvec2 {};\n"
"template<int x>\n"
"class tvec3 {};\n"
"namespace swizzle {\n"
"template <comp> void swizzle(tvec2<f16> v) { }\n"
"template <comp x, comp y> void swizzle(tvec3<f16> v) { }\n"
"}\n"
"void foo() {\n"
" using namespace swizzle;\n"
" tvec2<f16> tt2;\n"
" swizzle<1>(tt2);\n"
" tvec3<f16> tt3;\n"
" swizzle<2,3>(tt3);\n"
"}";
const char exp[] = "const int f16 = 16 ; "
"class tvec2<f16> ; "
"class tvec3<f16> ; "
"namespace swizzle { "
"void swizzle<1> ( tvec2<f16> v ) ; "
"void swizzle<2,3> ( tvec3<f16> v ) ; "
"} "
"void foo ( ) { "
"using namespace swizzle ; "
"tvec2<f16> tt2 ; "
"swizzle :: swizzle<1> ( tt2 ) ; "
"tvec3<f16> tt3 ; "
"swizzle :: swizzle<2,3> ( tt3 ) ; "
"} "
"void swizzle :: swizzle<2,3> ( tvec3<f16> v ) { } "
"void swizzle :: swizzle<1> ( tvec2<f16> v ) { } "
"class tvec3<f16> { } ; "
"class tvec2<f16> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template83() { // #8867
const char code[] = "template<typename Task>\n"
"class MultiConsumer {\n"
" MultiConsumer();\n"
"};\n"
"template<typename Task>\n"
"MultiConsumer<Task>::MultiConsumer() : sizeBuffer(0) {}\n"
"MultiReads::MultiReads() {\n"
" mc = new MultiConsumer<reads_packet>();\n"
"}";
const char exp[] = "template < typename Task > " // TODO: this should be expanded
"class MultiConsumer { "
"MultiConsumer ( ) ; "
"} ; "
"MultiConsumer<reads_packet> :: MultiConsumer<reads_packet> ( ) ; "
"MultiReads :: MultiReads ( ) { "
"mc = new MultiConsumer<reads_packet> ( ) ; "
"} "
"MultiConsumer<reads_packet> :: MultiConsumer<reads_packet> ( ) : sizeBuffer ( 0 ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template84() { // #8880
{
const char code[] = "template <class b, int c, class>\n"
"auto d() -> typename a<decltype(b{})>::e {\n"
" d<int, c, int>();\n"
"}";
const char exp[] = "template < class b , int c , class > "
"auto d ( ) . a < decltype ( b { } ) > :: e { "
"d < int , c , int > ( ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <class b, int c, class>\n"
"auto d() -> typename a<decltype(b{})>::e {\n"
" d<int, c, int>();\n"
"}"
"void foo() { d<char, 1, int>(); }";
const char exp[] = "auto d<char,1,int> ( ) . a < char > :: e ; "
"auto d<int,1,int> ( ) . a < int > :: e ; "
"void foo ( ) { d<char,1,int> ( ) ; } "
"auto d<char,1,int> ( ) . a < char > :: e { "
"d<int,1,int> ( ) ; "
"} "
"auto d<int,1,int> ( ) . a < int > :: e { "
"d<int,1,int> ( ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
}
void template85() { // #8902 - crash
const char code[] = "template<typename T>\n"
"struct C\n"
"{\n"
" template<typename U, typename std::enable_if<(!std::is_fundamental<U>::value)>::type* = nullptr>\n"
" void foo();\n"
"};\n"
"extern template void C<int>::foo<int, nullptr>();\n"
"template<typename T>\n"
"template<typename U, typename std::enable_if<(!std::is_fundamental<U>::value)>::type>\n"
"void C<T>::foo() {}";
// @todo the output is very wrong but we are only worried about the crash for now
tok(code);
}
void template86() { // crash
const char code[] = "struct S {\n"
" S();\n"
"};\n"
"template <typename T>\n"
"struct U {\n"
" static S<T> u;\n"
"};\n"
"template <typename T>\n"
"S<T> U<T>::u;\n"
"template S<int> U<int>::u;\n"
"S<int> &i = U<int>::u;";
tok(code);
}
void template87() {
const char code[] = "template<typename T>\n"
"T f1(T t) { return t; }\n"
"template const char * f1<const char *>(const char *);\n"
"template const char & f1<const char &>(const char &);";
const char exp[] = "const char * f1<constchar*> ( const char * t ) ; "
"const char & f1<constchar&> ( const char & t ) ; "
"const char * f1<constchar*> ( const char * t ) { return t ; } "
"const char & f1<constchar&> ( const char & t ) { return t ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template88() { // #6183.cpp
const char code[] = "class CTest {\n"
"public:\n"
" template <typename T>\n"
" static void Greeting(T val) {\n"
" std::cout << val << std::endl;\n"
" }\n"
"private:\n"
" static void SayHello() {\n"
" std::cout << \"Hello World!\" << std::endl;\n"
" }\n"
"};\n"
"template<>\n"
"void CTest::Greeting(bool) {\n"
" CTest::SayHello();\n"
"}\n"
"int main() {\n"
" CTest::Greeting<bool>(true);\n"
" return 0;\n"
"}";
const char exp[] = "class CTest { "
"public: "
"static void Greeting<bool> ( bool ) ; "
"template < typename T > "
"static void Greeting ( T val ) { "
"std :: cout << val << std :: endl ; "
"} "
"private: "
"static void SayHello ( ) { "
"std :: cout << \"Hello World!\" << std :: endl ; "
"} "
"} ; "
"void CTest :: Greeting<bool> ( bool ) { "
"CTest :: SayHello ( ) ; "
"} "
"int main ( ) { "
"CTest :: Greeting<bool> ( true ) ; "
"return 0 ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template89() { // #8917
const char code[] = "struct Fred {\n"
" template <typename T> static void foo() { }\n"
"};\n"
"template void Fred::foo<char>();\n"
"template void Fred::foo<float>();\n"
"template <> void Fred::foo<bool>() { }\n"
"template <> void Fred::foo<int>() { }";
const char exp[] = "struct Fred { "
"static void foo<int> ( ) ; "
"static void foo<bool> ( ) ; "
"static void foo<char> ( ) ; "
"static void foo<float> ( ) ; "
"} ; "
"void Fred :: foo<bool> ( ) { } "
"void Fred :: foo<int> ( ) { } "
"void Fred :: foo<char> ( ) { } "
"void Fred :: foo<float> ( ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template90() { // crash
const char code[] = "template <typename T> struct S1 {};\n"
"void f(S1<double>) {}\n"
"template <typename T>\n"
"decltype(S1<T>().~S1<T>()) fun1() {};";
const char exp[] = "struct S1<double> ; "
"void f ( S1<double> ) { } "
"template < typename T > "
"decltype ( S1 < T > ( ) . ~ S1 < T > ( ) ) fun1 ( ) { } ; "
"struct S1<double> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template91() {
{
const char code[] = "template<typename T> T foo(T t) { return t; }\n"
"template<> char foo<char>(char a) { return a; }\n"
"template<> int foo<int>(int a) { return a; }\n"
"template float foo<float>(float);\n"
"template double foo<double>(double);";
const char exp[] = "int foo<int> ( int a ) ; "
"char foo<char> ( char a ) ; "
"float foo<float> ( float t ) ; "
"double foo<double> ( double t ) ; "
"char foo<char> ( char a ) { return a ; } "
"int foo<int> ( int a ) { return a ; } "
"float foo<float> ( float t ) { return t ; } "
"double foo<double> ( double t ) { return t ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "struct Fred {\n"
" template<typename T> T foo(T t) { return t; }\n"
" template<> char foo<char>(char a) { return a; }\n"
" template<> int foo<int>(int a) { return a; }\n"
"};\n"
"template float Fred::foo<float>(float);\n"
"template double Fred::foo<double>(double);";
const char exp[] = "struct Fred { "
"int foo<int> ( int a ) ; "
"char foo<char> ( char a ) ; "
"float foo<float> ( float t ) ; "
"double foo<double> ( double t ) ; "
"char foo<char> ( char a ) { return a ; } "
"int foo<int> ( int a ) { return a ; } "
"} ; "
"float Fred :: foo<float> ( float t ) { return t ; } "
"double Fred :: foo<double> ( double t ) { return t ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace NS1 {\n"
" namespace NS2 {\n"
" template<typename T> T foo(T t) { return t; }\n"
" template<> char foo<char>(char a) { return a; }\n"
" template<> int foo<int>(int a) { return a; }\n"
" template short NS2::foo<short>(short);\n"
" template long NS1::NS2::foo<long>(long);\n"
" }\n"
" template float NS2::foo<float>(float);\n"
" template bool NS1::NS2::foo<bool>(bool);\n"
"}\n"
"template double NS1::NS2::foo<double>(double);";
const char exp[] = "namespace NS1 { "
"namespace NS2 { "
"int foo<int> ( int a ) ; "
"char foo<char> ( char a ) ; "
"short foo<short> ( short t ) ; "
"long foo<long> ( long t ) ; "
"float foo<float> ( float t ) ; "
"bool foo<bool> ( bool t ) ; "
"double foo<double> ( double t ) ; "
"char foo<char> ( char a ) { return a ; } "
"int foo<int> ( int a ) { return a ; } "
"} "
"} "
"short NS1 :: NS2 :: foo<short> ( short t ) { return t ; } "
"long NS1 :: NS2 :: foo<long> ( long t ) { return t ; } "
"float NS1 :: NS2 :: foo<float> ( float t ) { return t ; } "
"bool NS1 :: NS2 :: foo<bool> ( bool t ) { return t ; } "
"double NS1 :: NS2 :: foo<double> ( double t ) { return t ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace NS1 {\n"
" namespace NS {\n"
" template<typename T> T foo(T t) { return t; }\n"
" template<> char foo<char>(char a) { return a; }\n"
" template<> int foo<int>(int a) { return a; }\n"
" template short NS::foo<short>(short);\n"
" template long NS1::NS::foo<long>(long);\n"
" }\n"
" template float NS::foo<float>(float);\n"
" template bool NS1::NS::foo<bool>(bool);\n"
"}\n"
"template double NS1::NS::foo<double>(double);";
const char exp[] = "namespace NS1 { "
"namespace NS { "
"int foo<int> ( int a ) ; "
"char foo<char> ( char a ) ; "
"short foo<short> ( short t ) ; "
"long foo<long> ( long t ) ; "
"float foo<float> ( float t ) ; "
"bool foo<bool> ( bool t ) ; "
"double foo<double> ( double t ) ; "
"char foo<char> ( char a ) { return a ; } "
"int foo<int> ( int a ) { return a ; } "
"} "
"} "
"short NS1 :: NS :: foo<short> ( short t ) { return t ; } "
"long NS1 :: NS :: foo<long> ( long t ) { return t ; } "
"float NS1 :: NS :: foo<float> ( float t ) { return t ; } "
"bool NS1 :: NS :: foo<bool> ( bool t ) { return t ; } "
"double NS1 :: NS :: foo<double> ( double t ) { return t ; }";
ASSERT_EQUALS(exp, tok(code));
}
}
void template92() {
const char code[] = "template<class T> void foo(T const& t) { }\n"
"template<> void foo<double>(double const& d) { }\n"
"template void foo<float>(float const& f);\n"
"int main() {\n"
" foo<int>(2);\n"
" foo<double>(3.14);\n"
" foo<float>(3.14f);\n"
"}";
const char exp[] = "void foo<double> ( const double & d ) ; "
"void foo<float> ( const float & t ) ; "
"void foo<int> ( const int & t ) ; "
"void foo<double> ( const double & d ) { } "
"int main ( ) { "
"foo<int> ( 2 ) ; "
"foo<double> ( 3.14 ) ; "
"foo<float> ( 3.14f ) ; "
"} "
"void foo<float> ( const float & t ) { } "
"void foo<int> ( const int & t ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template93() { // crash
const char code[] = "template <typename Iterator>\n"
"void ForEach() { }\n"
"template <typename Type>\n"
"class Vector2 : public Vector {\n"
" template <typename Iterator>\n"
" void ForEach();\n"
"public:\n"
" void process();\n"
"};\n"
"template <typename Type>\n"
"void Vector2<Type>::process() {\n"
" ForEach<iterator>();\n"
"}\n"
"Vector2<string> c;";
const char exp[] = "void ForEach<iterator> ( ) ; "
"class Vector2<string> ; "
"Vector2<string> c ; "
"class Vector2<string> : public Vector { "
"template < typename Iterator > "
"void ForEach ( ) ; "
"public: "
"void process ( ) ; "
"} ; "
"void Vector2<string> :: process ( ) { "
"ForEach<iterator> ( ) ; "
"} "
"void ForEach<iterator> ( ) { "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template94() { // #8927 crash
const char code[] = "template <typename T>\n"
"class Array { };\n"
"template<typename T>\n"
"Array<T> foo() {};\n"
"template <> Array<double> foo<double>() { }\n"
"template <> Array<std::complex<float>> foo<std::complex<float>>() { }\n"
"template <> Array<float> foo<float>() { }\n"
"template < typename T >\n"
"Array<T> matmul() {\n"
" return foo<T>( );\n"
"}\n"
"template Array<std::complex<float>> matmul<std::complex<float>>();";
const char exp[] = "class Array<double> ; "
"class Array<std::complex<float>> ; "
"class Array<float> ; "
"Array<float> foo<float> ( ) ; "
"Array<std::complex<float>> foo<std::complex<float>> ( ) ; "
"Array<double> foo<double> ( ) ; "
"template < typename T > "
"Array < T > foo ( ) { } ; "
"Array<double> foo<double> ( ) { } "
"Array<std::complex<float>> foo<std::complex<float>> ( ) { } "
"Array<float> foo<float> ( ) { } "
"Array<std::complex<float>> matmul<std::complex<float>> ( ) ; "
"Array<std::complex<float>> matmul<std::complex<float>> ( ) { "
"return foo<std::complex<float>> ( ) ; "
"} "
"class Array<double> { } ; "
"class Array<std::complex<float>> { } ; "
"class Array<float> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template95() { // #7417
const char code[] = "template <typename T>\n"
"T Value = 123;\n"
"template<>\n"
"int Value<int> = 456;\n"
"float f = Value<float>;\n"
"int i = Value<int>;";
const char exp[] = "float Value<float> ; Value<float> = 123 ; "
"int Value<int> ; Value<int> = 456 ; "
"float f ; f = Value<float> ; "
"int i ; i = Value<int> ;";
ASSERT_EQUALS(exp, tok(code));
}
void template96() { // #7854
{
const char code[] = "template<unsigned int n>\n"
" constexpr long fib = fib<n-1> + fib<n-2>;\n"
"template<>\n"
" constexpr long fib<0> = 0;\n"
"template<>\n"
" constexpr long fib<1> = 1;\n"
"long f0 = fib<0>;\n"
"long f1 = fib<1>;\n"
"long f2 = fib<2>;\n"
"long f3 = fib<3>;";
const char exp[] = "const long fib<2> = fib<1> + fib<0> ; "
"const long fib<3> = fib<2> + fib<1> ; "
"const long fib<0> = 0 ; "
"const long fib<1> = 1 ; "
"long f0 ; f0 = fib<0> ; "
"long f1 ; f1 = fib<1> ; "
"long f2 ; f2 = fib<2> ; "
"long f3 ; f3 = fib<3> ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template<unsigned int n>\n"
" constexpr long fib = fib<n-1> + fib<n-2>;\n"
"template<>\n"
" constexpr long fib<0> = 0;\n"
"template<>\n"
" constexpr long fib<1> = 1;\n"
"long f5 = fib<5>;\n";
const char exp[] = "const long fib<5> = fib<4> + fib<3> ; "
"const long fib<4> = fib<3> + fib<2> ; "
"const long fib<3> = fib<2> + fib<1> ; "
"const long fib<2> = fib<1> + fib<0> ; "
"const long fib<0> = 0 ; "
"const long fib<1> = 1 ; "
"long f5 ; f5 = fib<5> ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template97() {
const char code[] ="namespace NS1 {\n"
" namespace NS2 {\n"
" namespace NS3 {\n"
" namespace NS4 {\n"
" template<class T>\n"
" class Fred {\n"
" T * t;\n"
" public:\n"
" Fred<T>() : t(nullptr) {}\n"
" };\n"
" }\n"
" using namespace NS4;\n"
" Fred<bool> fred_bool;\n"
" NS4::Fred<char> fred_char;\n"
" }\n"
" using namespace NS3;\n"
" NS4::Fred<short> fred_short;\n"
" using namespace NS3::NS4;\n"
" Fred<int> fred_int;\n"
" NS3::NS4::Fred<long> fred_long;\n"
" NS2::NS3::NS4::Fred<float> fred_float;\n"
" NS1::NS2::NS3::NS4::Fred<double> fred_double;\n"
" }\n"
" using namespace NS2;\n"
" NS3::NS4::Fred<float> fred_float1;\n"
" NS2::NS3::NS4::Fred<double> fred_double1;\n"
"}\n"
"using namespace NS1::NS2::NS3::NS4;\n"
"Fred<bool> fred_bool1;\n"
"NS1::NS2::NS3::NS4::Fred<int> fred_int1;";
const char exp[] = "namespace NS1 { "
"namespace NS2 { "
"namespace NS3 { "
"namespace NS4 { "
"class Fred<bool> ; "
"class Fred<char> ; "
"class Fred<short> ; "
"class Fred<int> ; "
"class Fred<long> ; "
"class Fred<float> ; "
"class Fred<double> ; "
"} "
"using namespace NS4 ; "
"NS4 :: Fred<bool> fred_bool ; "
"NS4 :: Fred<char> fred_char ; "
"} "
"using namespace NS3 ; "
"NS3 :: NS4 :: Fred<short> fred_short ; "
"using namespace NS3 :: NS4 ; "
"NS3 :: NS4 :: Fred<int> fred_int ; "
"NS3 :: NS4 :: Fred<long> fred_long ; "
"NS2 :: NS3 :: NS4 :: Fred<float> fred_float ; "
"NS1 :: NS2 :: NS3 :: NS4 :: Fred<double> fred_double ; "
"} "
"using namespace NS2 ; "
"NS2 :: NS3 :: NS4 :: Fred<float> fred_float1 ; "
"NS2 :: NS3 :: NS4 :: Fred<double> fred_double1 ; "
"} "
"using namespace NS1 :: NS2 :: NS3 :: NS4 ; "
"NS1 :: NS2 :: NS3 :: NS4 :: Fred<bool> fred_bool1 ; "
"NS1 :: NS2 :: NS3 :: NS4 :: Fred<int> fred_int1 ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<bool> { "
"bool * t ; "
"public: "
"Fred<bool> ( ) : t ( nullptr ) { } "
"} ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<char> { "
"char * t ; "
"public: "
"Fred<char> ( ) : t ( nullptr ) { } "
"} ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<short> { "
"short * t ; "
"public: "
"Fred<short> ( ) : t ( nullptr ) { } "
"} ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<int> { "
"int * t ; "
"public: "
"Fred<int> ( ) : t ( nullptr ) { } "
"} ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<long> { "
"long * t ; "
"public: "
"Fred<long> ( ) : t ( nullptr ) { } "
"} ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<float> { "
"float * t ; "
"public: "
"Fred<float> ( ) : t ( nullptr ) { } "
"} ; "
"class NS1 :: NS2 :: NS3 :: NS4 :: Fred<double> { "
"double * t ; "
"public: "
"Fred<double> ( ) : t ( nullptr ) { } "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template98() { // #8959
const char code[] = "template <typename T>\n"
"using unique_ptr_with_deleter = std::unique_ptr<T, std::function<void(T*)>>;\n"
"class A {};\n"
"static void func() {\n"
" unique_ptr_with_deleter<A> tmp(new A(), [](A* a) {\n"
" delete a;\n"
" });\n"
"}";
const char exp[] = "class A { } ; "
"static void func ( ) { "
"std :: unique_ptr < A , std :: function < void ( A * ) > > tmp ( new A ( ) , [ ] ( A * a ) { "
"delete a ; "
"} ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template99() { // #8960
const char code[] = "template <typename T>\n"
"class Base {\n"
"public:\n"
" using ArrayType = std::vector<Base<T>>;\n"
"};\n"
"using A = Base<int>;\n"
"static A::ArrayType array;\n";
const char exp[] = "class Base<int> ; "
"static std :: vector < Base<int> > array ; "
"class Base<int> { "
"public: "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template100() { // #8967
const char code[] = "enum class Device { I2C0, I2C1 };\n"
"template <Device D>\n"
"const char* deviceFile;\n"
"template <>\n"
"const char* deviceFile<Device::I2C0> = \"/tmp/i2c-0\";\n";
const char exp[] = "enum class Device { I2C0 , I2C1 } ; "
"template < Device D > "
"const char * deviceFile ; "
"const char * deviceFile<Device::I2C0> ; deviceFile<Device::I2C0> = \"/tmp/i2c-0\" ;";
ASSERT_EQUALS(exp, tok(code));
}
void template101() { // #8968
const char code[] = "class A {\n"
"public:\n"
" using ArrayType = std::vector<int>;\n"
" void func(typename ArrayType::size_type i) {\n"
" }\n"
"};";
const char exp[] = "class A { "
"public: "
"void func ( std :: vector < int > :: size_type i ) { "
"} "
"} ;";
ASSERT_EQUALS(exp, tok(code));
ASSERT_EQUALS("", errout.str());
}
void template102() { // #9005
const char code[] = "namespace ns {\n"
"template <class T>\n"
"struct is_floating_point\n"
": std::integral_constant<bool, std::is_floating_point<T>::value || true>\n"
"{};\n"
"}\n"
"void f() {\n"
" if(std::is_floating_point<float>::value) {}\n"
"}";
const char exp[] = "namespace ns { "
"template < class T > "
"struct is_floating_point "
": std :: integral_constant < bool , std :: is_floating_point < T > :: value || true > "
"{ } ; "
"} "
"void f ( ) { "
"if ( std :: is_floating_point < float > :: value ) { } "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template103() {
const char code[] = "namespace sample {\n"
" template <typename T>\n"
" class Sample {\n"
" public:\n"
" T function(T t);\n"
" };\n"
" template <typename T>\n"
" T Sample<T>::function(T t) {\n"
" return t;\n"
" }\n"
"}\n"
"sample::Sample<int> s1;";
const char exp[] = "namespace sample { "
"class Sample<int> ; "
"} "
"sample :: Sample<int> s1 ; "
"class sample :: Sample<int> { "
"public: "
"int function ( int t ) ; "
"} ; "
"int sample :: Sample<int> :: function ( int t ) { "
"return t ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template104() { // #9021
const char code[] = "template < int i >\n"
"auto key ( ) { return hana :: test :: ct_eq < i > { } ; }\n"
"template < int i >\n"
"auto val ( ) { return hana :: test :: ct_eq < - i > { } ; }\n"
"template < int i , int j >\n"
"auto p ( ) { return :: minimal_product ( key < i > ( ) , val < j > ( ) ) ; }\n"
"int main ( ) {\n"
" BOOST_HANA_CONSTANT_CHECK ( hana :: equal (\n"
" hana :: at_key ( hana :: make_map ( p < 0 , 0 > ( ) ) , key < 0 > ( ) ) ,\n"
" val < 0 > ( ) ) ) ;\n"
"}";
const char exp[] = "auto key<0> ( ) ; "
"auto val<0> ( ) ; "
"auto p<0,0> ( ) ; "
"int main ( ) { "
"BOOST_HANA_CONSTANT_CHECK ( hana :: equal ( "
"hana :: at_key ( hana :: make_map ( p<0,0> ( ) ) , key<0> ( ) ) , "
"val<0> ( ) ) ) ; "
"} "
"auto p<0,0> ( ) { return :: minimal_product ( key<0> ( ) , val<0> ( ) ) ; } "
"auto val<0> ( ) { return hana :: test :: ct_eq < - 0 > { } ; } "
"auto key<0> ( ) { return hana :: test :: ct_eq < 0 > { } ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template105() { // #9076
const char code[] = "template <template <typename> class TOUT> class ObjectCache;\n"
"template <template <typename> class TOUT>\n"
"class ObjectCache { };\n"
"template <typename T> class Fred {};\n"
"ObjectCache<Fred> _cache;";
const char exp[] = "class ObjectCache<Fred> ; "
"template < typename T > class Fred { } ; "
"ObjectCache<Fred> _cache ; class ObjectCache<Fred> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template106() {
const char code[] = "template<class T, class U> class A {\n"
"public:\n"
" int x;\n"
"};\n"
"template<template<class T, class U> class V> class B {\n"
" V<char, char> i;\n"
"};\n"
"B<A> c;";
const char exp[] = "class A<char,char> ; "
"class B<A> ; "
"B<A> c ; "
"class B<A> { "
"A<char,char> i ; "
"} ; class A<char,char> { "
"public: "
"int x ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template107() { // #8663
const char code[] = "template <class T1, class T2>\n"
"void f() {\n"
" using T3 = typename T1::template T3<T2>;\n"
" T3 t;\n"
"}\n"
"struct C3 {\n"
" template <typename T>\n"
" class T3\n"
" {};\n"
"};\n"
"void foo() {\n"
" f<C3, long>();\n"
"}";
const char exp[] = "void f<C3,long> ( ) ; "
"struct C3 { "
"class T3<long> ; "
"} ; "
"void foo ( ) { "
"f<C3,long> ( ) ; "
"} "
"void f<C3,long> ( ) { "
"C3 :: T3<long> t ; "
"} "
"class C3 :: T3<long> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template108() { // #9109
{
const char code[] = "template <typename> struct a;\n"
"template <typename> struct b {};\n"
"template <typename> struct c;\n"
"template <typename d> struct e {\n"
" using f = a<b<typename c<d>::g>>;\n"
" bool h = f::h;\n"
"};\n"
"struct i {\n"
" e<int> j();\n"
"};\n";
const char exp[] = "template < typename > struct a ; "
"struct b<c<int>::g> ; "
"template < typename > struct c ; "
"struct e<int> ; "
"struct i { e<int> j ( ) ; "
"} ; "
"struct e<int> { bool h ; "
"h = a < b<c<int>::g> > :: h ; "
"} ; "
"struct b<c<int>::g> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace {\n"
"template <typename> struct a;\n"
"template <typename> struct b {};\n"
"}\n"
"namespace {\n"
"template <typename> struct c;\n"
"template <typename d> struct e {\n"
" using f = a<b<typename c<d>::g>>;\n"
" bool h = f::h;\n"
"};\n"
"template <typename i> using j = typename e<i>::g;\n"
"}";
const char exp[] = "namespace { "
"template < typename > struct a ; "
"template < typename > struct b { } ; "
"} "
"namespace { "
"template < typename > struct c ; "
"template < typename d > struct e { "
"using f = a < b < c < d > :: g > > ; "
"bool h ; h = f :: h ; "
"} ; "
"template < typename i > using j = typename e < i > :: g ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace {\n"
"template <typename> struct a;\n"
"template <typename> struct b {};\n"
"}\n"
"namespace {\n"
"template <typename> struct c;\n"
"template <typename d> struct e {\n"
" using f = a<b<typename c<d>::g>>;\n"
" bool h = f::h;\n"
"};\n"
"template <typename i> using j = typename e<i>::g;\n"
"}\n"
"j<int> foo;";
const char exp[] = "namespace { "
"template < typename > struct a ; "
"struct b<c<int>::g> ; "
"} "
"namespace { "
"template < typename > struct c ; "
"struct e<int> ; "
"} "
"e<int> :: g foo ; "
"struct e<int> { "
"bool h ; h = a < b<c<int>::g> > :: h ; "
"} ; "
"struct b<c<int>::g> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template109() { // #9144
{
const char code[] = "namespace a {\n"
"template <typename b, bool = __is_empty(b) && __is_final(b)> struct c;\n"
"}\n"
"template <typename...> struct e {};\n"
"static_assert(sizeof(e<>) == sizeof(e<c<int>, c<int>, int>), \"\");\n";
const char exp[] = "namespace a { "
"template < typename b , bool > struct c ; "
"} "
"struct e<> ; "
"struct e<c<int>,c<int>,int> ; "
"static_assert ( sizeof ( e<> ) == sizeof ( e<c<int>,c<int>,int> ) , \"\" ) ; "
"struct e<> { } ; "
"struct e<c<int>,c<int>,int> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace a {\n"
"template <typename b, bool = __is_empty(b) && __is_final(b)> struct c;\n"
"}\n"
"template <typename...> struct e {};\n"
"static_assert(sizeof(e<>) == sizeof(e<a::c<int>, a::c<int>, int>), \"\");\n";
const char exp[] = "namespace a { "
"template < typename b , bool > struct c ; "
"} "
"struct e<> ; "
"struct e<a::c<int,std::is_empty<int>{}&&std::is_final<int>{}>,a::c<int,std::is_empty<int>{}&&std::is_final<int>{}>,int> ; "
"static_assert ( sizeof ( e<> ) == sizeof ( e<a::c<int,std::is_empty<int>{}&&std::is_final<int>{}>,a::c<int,std::is_empty<int>{}&&std::is_final<int>{}>,int> ) , \"\" ) ; "
"struct e<> { } ; "
"struct e<a::c<int,std::is_empty<int>{}&&std::is_final<int>{}>,a::c<int,std::is_empty<int>{}&&std::is_final<int>{}>,int> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <typename b, bool = __is_empty(b) && __is_final(b)> struct c;\n"
"template <typename...> struct e {};\n"
"static_assert(sizeof(e<>) == sizeof(e<c<int>, c<int>, int>), \"\");\n";
const char exp[] = "template < typename b , bool > struct c ; "
"struct e<> ; "
"struct e<c<int,std::is_empty<int>{}&&std::is_final<int>{}>,c<int,std::is_empty<int>{}&&std::is_final<int>{}>,int> ; "
"static_assert ( sizeof ( e<> ) == sizeof ( e<c<int,std::is_empty<int>{}&&std::is_final<int>{}>,c<int,std::is_empty<int>{}&&std::is_final<int>{}>,int> ) , \"\" ) ; "
"struct e<> { } ; "
"struct e<c<int,std::is_empty<int>{}&&std::is_final<int>{}>,c<int,std::is_empty<int>{}&&std::is_final<int>{}>,int> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <typename b, bool = __is_empty(b) && __is_final(b)> struct c{};\n"
"c<int> cc;\n";
const char exp[] = "struct c<int,std::is_empty<int>{}&&std::is_final<int>{}> ; "
"c<int,std::is_empty<int>{}&&std::is_final<int>{}> cc ; "
"struct c<int,std::is_empty<int>{}&&std::is_final<int>{}> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <typename b, bool = unknown1(b) && unknown2(b)> struct c{};\n"
"c<int> cc;\n";
const char exp[] = "struct c<int,unknown1(int)&&unknown2(int)> ; "
"c<int,unknown1(int)&&unknown2(int)> cc ; "
"struct c<int,unknown1(int)&&unknown2(int)> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template110() {
const char code[] = "template<typename T> using A = int;\n"
"template<typename T> using A<T*> = char;\n"
"template<> using A<char> = char;\n"
"template using A<char> = char;\n"
"using A<char> = char;";
const char exp[] = "template < typename T > using A = int ; "
"template < typename T > using A < T * > = char ; "
"template < > using A < char > = char ; "
"template using A < char > = char ; "
"using A < char > = char ;";
ASSERT_EQUALS(exp, tok(code));
}
void template111() { // crash
const char code[] = "template<typename T, typename U> struct pair;\n"
"template<typename T> using cell = pair<T*, cell<T>*>;";
const char exp[] = "template < typename T , typename U > struct pair ; "
"template < typename T > using cell = pair < T * , cell < T > * > ;";
ASSERT_EQUALS(exp, tok(code));
}
void template112() { // #9146 syntax error
const char code[] = "template <int> struct a;\n"
"template <class, class b> using c = typename a<int{b::d}>::e;\n"
"template <class> struct f;\n"
"template <class b> using g = typename f<c<int, b>>::e;";
const char exp[] = "template < int > struct a ; "
"template < class , class b > using c = typename a < int { b :: d } > :: e ; "
"template < class > struct f ; "
"template < class b > using g = typename f < c < int , b > > :: e ;";
ASSERT_EQUALS(exp, tok(code));
}
void template113() {
{
const char code[] = "template <class> class A { void f(); };\n"
"A<int> a;";
const char exp[] = "class A<int> ; "
"A<int> a ; "
"class A<int> { void f ( ) ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <struct> struct A { void f(); };\n"
"A<int> a;";
const char exp[] = "struct A<int> ; "
"A<int> a ; "
"struct A<int> { void f ( ) ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template114() { // #9155
{
const char code[] = "template <typename a, a> struct b {};\n"
"template <typename> struct c;\n"
"template <typename> struct d : b<bool, std::is_polymorphic<int>{}> {};\n"
"template <bool> struct e;\n"
"template <typename a> using f = typename e<c<d<a>>::g>::h;";
const char exp[] = "template < typename a , a > struct b { } ; "
"template < typename > struct c ; "
"template < typename > struct d : b < bool , std :: is_polymorphic < int > { } > { } ; "
"template < bool > struct e ; "
"template < typename a > using f = typename e < c < d < a > > :: g > :: h ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <typename a, a> struct b;\n"
"template <bool, typename> struct c;\n"
"template <typename a> struct d : b<bool, std::is_empty<a>{}> {};\n"
"template <typename a> using e = typename c<std::is_final<a>{}, d<a>>::f;\n";
const char exp[] = "template < typename a , a > struct b ; "
"template < bool , typename > struct c ; "
"template < typename a > struct d : b < bool , std :: is_empty < a > { } > { } ; "
"template < typename a > using e = typename c < std :: is_final < a > { } , d < a > > :: f ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template115() { // #9153
const char code[] = "namespace {\n"
" namespace b {\n"
" template <int c> struct B { using B<c / 2>::d; };\n"
" }\n"
" template <class, class> using e = typename b::B<int{}>;\n"
" namespace b {\n"
" template <class> struct f {};\n"
" }\n"
" template <class c> using g = b::f<e<int, c>>;\n"
"}\n"
"g<int> g1;";
const char exp[] = "namespace { "
"namespace b { "
"struct B<0> ; "
"} "
"namespace b { "
"struct f<b::B<0>> ; "
"} "
"} "
"b :: f<b::B<0>> g1 ; struct b :: B<0> { using B<0> :: d ; } ; "
"struct b :: f<b::B<0>> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template116() { // #9178
{
const char code[] = "template <class, class a> auto b() -> decltype(a{}.template b<void(int, int)>);\n"
"template <class, class a> auto b() -> decltype(a{}.template b<void(int, int)>){}";
const char exp[] = "template < class , class a > auto b ( ) . decltype ( a { } . template b < void ( int , int ) > ) ; "
"template < class , class a > auto b ( ) . decltype ( a { } . template b < void ( int , int ) > ) { }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <class, class a>\n"
"auto b() -> decltype(a{}.template b<void(int, int)>()) {}\n"
"struct c {\n"
" template <class> void b();\n"
"};\n"
"void d() { b<c, c>(); }";
const char exp[] = "auto b<c,c> ( ) . decltype ( c { } . template b < void ( int , int ) > ( ) ) ; "
"struct c { "
"template < class > void b ( ) ; "
"} ; "
"void d ( ) { b<c,c> ( ) ; } "
"auto b<c,c> ( ) . decltype ( c { } . template b < void ( int , int ) > ( ) ) { }";
ASSERT_EQUALS(exp, tok(code));
}
}
void template117() {
const char code[] = "template<typename T = void> struct X {};\n"
"X<X<>> x;";
const char exp[] = "struct X<void> ; "
"struct X<X<void>> ; "
"X<X<void>> x ; "
"struct X<void> { } ; "
"struct X<X<void>> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template118() {
const char code[] = "template<int> struct S { void f(int i); };\n"
"S<1> s;";
const char exp[] = "struct S<1> ; "
"S<1> s ; struct S<1> { "
"void f ( int i ) ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template119() { // #9186
{
const char code[] = "template <typename T>\n"
"constexpr auto func = [](auto x){ return T(x);};\n"
"template <typename T>\n"
"constexpr auto funcBraced = [](auto x){ return T{x};};\n"
"double f(int x) { return func<double>(x); }\n"
"double fBraced(int x) { return funcBraced<int>(x); }";
const char exp[] = "const auto func<double> = [ ] ( auto x ) { return double ( x ) ; } ; "
"const auto funcBraced<int> = [ ] ( auto x ) { return int { x } ; } ; "
"double f ( int x ) { return func<double> ( x ) ; } "
"double fBraced ( int x ) { return funcBraced<int> ( x ) ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <typename T>\n"
"constexpr auto func = [](auto x){ return T(x);};\n"
"void foo() {\n"
" func<int>(x);\n"
" func<double>(x);\n"
"}";
const char exp[] = "const auto func<int> = [ ] ( auto x ) { return int ( x ) ; } ; "
"const auto func<double> = [ ] ( auto x ) { return double ( x ) ; } ; "
"void foo ( ) { "
"func<int> ( x ) ; "
"func<double> ( x ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
}
void template120() {
const char code[] = "template<typename Tuple>\n"
"struct lambda_context {\n"
" template<typename Sig> struct result;\n"
" template<typename This, typename I>\n"
" struct result<This(terminal, placeholder)> : at<Tuple, I> {};\n"
"};\n"
"template<typename T>\n"
"struct lambda {\n"
" template<typename Sig> struct result;\n"
" template<typename This>\n"
" struct result<This()> : lambda_context<tuple<> > {};\n"
"};\n"
"lambda<int> l;";
const char exp[] = "template < typename Tuple > "
"struct lambda_context { "
"template < typename Sig > struct result ; "
"template < typename This , typename I > "
"struct result < This ( terminal , placeholder ) > : at < Tuple , I > { } ; "
"} ; "
"struct lambda<int> ; "
"lambda<int> l ; struct lambda<int> { "
"template < typename Sig > struct result ; "
"template < typename This > "
"struct result < This ( ) > : lambda_context < tuple < > > { } ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template121() { // #9193
const char code[] = "template <class VALUE_T, class LIST_T = std::list<VALUE_T>>\n"
"class TestList { };\n"
"TestList<std::shared_ptr<int>> m_test;";
const char exp[] = "class TestList<std::shared_ptr<int>,std::list<std::shared_ptr<int>>> ; "
"TestList<std::shared_ptr<int>,std::list<std::shared_ptr<int>>> m_test ; "
"class TestList<std::shared_ptr<int>,std::list<std::shared_ptr<int>>> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template122() { // #9147
const char code[] = "template <class...> struct a;\n"
"namespace {\n"
"template <class, class> struct b;\n"
"template <template <class> class c, class... f, template <class...> class d>\n"
"struct b<c<f...>, d<>>;\n"
"}\n"
"void e() { using c = a<>; }";
const char exp[] = "template < class ... > struct a ; "
"namespace { "
"template < class , class > struct b ; "
"template < template < class > class c , class ... f , template < class ... > class d > "
"struct b < c < f ... > , d < > > ; "
"} "
"void e ( ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template123() { // #9183
const char code[] = "template <class...> struct a;\n"
"namespace {\n"
"template <class, class, class, class>\n"
"struct b;\n"
"template <template <class> class c, class... d, template <class> class e, class... f>\n"
"struct b<c<d...>, e<f...>>;\n"
"}\n"
"void fn1() {\n"
" using c = a<>;\n"
" using e = a<>;\n"
"}";
const char exp[] = "template < class ... > struct a ; "
"namespace { "
"template < class , class , class , class > "
"struct b ; "
"template < template < class > class c , class ... d , template < class > class e , class ... f > "
"struct b < c < d ... > , e < f ... > > ; "
"} "
"void fn1 ( ) { "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template124() { // #9197
const char code[] = "template <bool> struct a;\n"
"template <bool b> using c = typename a<b>::d;\n"
"template <typename> struct e;\n"
"template <typename> struct h {\n"
" template <typename... f, c<h<e<typename f::d...>>::g>> void i();\n"
"};";
const char exp[] = "template < bool > struct a ; "
"template < bool b > using c = typename a < b > :: d ; "
"template < typename > struct e ; "
"template < typename > struct h { "
"template < typename ... f , c < h < e < typename f :: d ... > > :: g > > void i ( ) ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template125() {
ASSERT_THROW(tok("template<int M, int N>\n"
"class GCD {\n"
"public:\n"
" enum { val = (N == 0) ? M : GCD<N, M % N>::val };\n"
"};\n"
"int main() {\n"
" GCD< 1, 0 >::val;\n"
"}"), InternalError);
}
void template126() { // #9217
const char code[] = "template <typename b> using d = a<b>;\n"
"static_assert(i<d<l<b>>>{}, \"\");";
const char exp[] = "static_assert ( i < a < l < b > > > { } , \"\" ) ;";
ASSERT_EQUALS(exp, tok(code));
}
void template127() { // #9225
{
const char code[] = "template <typename> struct a {\n"
" template <typename b> constexpr decltype(auto) operator()(b &&) const;\n"
"};\n"
"a<int> c;\n"
"template <typename d>\n"
"template <typename b>\n"
"constexpr decltype(auto) a<d>::operator()(b &&) const {}";
const char exp[] = "struct a<int> ; "
"a<int> c ; "
"template < typename d > "
"template < typename b > "
"const decltype ( auto ) a < d > :: operator() ( b && ) const { } "
"struct a<int> { "
"template < typename b > const decltype ( auto ) operator() ( b && ) const ; "
"} ;";
const char act[] = "struct a<int> ; "
"a<int> c ; "
"template < typename d > "
"template < typename b > "
"const decltype ( auto ) a < d > :: operator() ( b && ) const { } "
"struct a<int> { "
"template < typename b > const decltype ( auto ) operator() ( b && ) const ; "
"} ; "
"const decltype ( auto ) a<int> :: operator() ( b && ) const { }";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
{
const char code[] = "template <typename> struct a {\n"
" template <typename b> static void foo();\n"
"};\n"
"a<int> c;\n"
"template <typename d>\n"
"template <typename b>\n"
"void a<d>::foo() {}\n"
"void bar() { a<int>::foo<char>(); }";
const char exp[] = "struct a<int> ; "
"a<int> c ; "
"template < typename d > "
"template < typename b > "
"void a < d > :: foo ( ) { } "
"void bar ( ) { a<int> :: foo < char > ( ) ; } "
"struct a<int> { "
"template < typename b > static void foo ( ) ; "
"static void foo<char> ( ) ; "
"} ; "
"void a<int> :: foo<char> ( ) { }";
const char act[] = "struct a<int> ; "
"a<int> c ; "
"template < typename d > "
"template < typename b > "
"void a < d > :: foo ( ) { } "
"void bar ( ) { a<int> :: foo < char > ( ) ; } "
"struct a<int> { "
"template < typename b > static void foo ( ) ; "
"} ; "
"void a<int> :: foo ( ) { }";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
{
const char code[] = "template <typename> struct a {\n"
" template <typename b> static void foo();\n"
"};\n"
"template <typename d>\n"
"template <typename b>\n"
"void a<d>::foo() {}\n"
"void bar() { a<int>::foo<char>(); }";
const char exp[] = "struct a<int> ; "
"template < typename d > "
"template < typename b > "
"void a < d > :: foo ( ) { } "
"void bar ( ) { a<int> :: foo < char > ( ) ; } "
"struct a<int> { "
"static void foo<char> ( ) ; "
"} ; "
"void a<int> :: foo<char> ( ) { }";
const char act[] = "struct a<int> ; "
"template < typename d > "
"template < typename b > "
"void a < d > :: foo ( ) { } "
"void bar ( ) { a<int> :: foo < char > ( ) ; } "
"struct a<int> { "
"template < typename b > static void foo ( ) ; "
"} ; "
"void a<int> :: foo ( ) { }";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
}
void template128() { // #9224
const char code[] = "template <typename> struct a { };\n"
"template <typename j> void h() { k.h<a<j>>; }\n"
"void foo() { h<int>(); }";
const char exp[] = "struct a<int> ; "
"void h<int> ( ) ; "
"void foo ( ) { h<int> ( ) ; } "
"void h<int> ( ) { k . h < a<int> > ; } "
"struct a<int> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template129() {
const char code[] = "class LuaContext {\n"
"public:\n"
" template <typename TFunctionType, typename TType>\n"
" void registerFunction(TType fn) { }\n"
"};\n"
"void setupLuaBindingsDNSQuestion() {\n"
" g_lua.registerFunction<void (DNSQuestion ::*)(std ::string, std ::string)>();\n"
"}";
const char exp[] = "class LuaContext { "
"public: "
"template < typename TFunctionType , typename TType > "
"void registerFunction ( TType fn ) { } "
"} ; "
"void setupLuaBindingsDNSQuestion ( ) { "
"g_lua . registerFunction < void ( DNSQuestion :: * ) ( std :: string , std :: string ) > ( ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template130() { // #9246
const char code[] = "template <typename...> using a = int;\n"
"template <typename, typename> using b = a<>;\n"
"template <typename, typename> void c();\n"
"template <typename d, typename> void e() { c<b<d, int>, int>; }\n"
"void f() { e<int(int, ...), int>(); }";
const char exp[] = "template < typename , typename > void c ( ) ; "
"void e<int(int,...),int> ( ) ; "
"void f ( ) { e<int(int,...),int> ( ) ; } "
"void e<int(int,...),int> ( ) { c < int , int > ; }";
ASSERT_EQUALS(exp, tok(code));
}
void template131() { // #9249
{
const char code[] = "template <long a, bool = 0 == a> struct b {};\n"
"b<1> b1;";
const char exp[] = "struct b<1,false> ; "
"b<1,false> b1 ; "
"struct b<1,false> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <long a, bool = 0 != a> struct b {};\n"
"b<1> b1;";
const char exp[] = "struct b<1,true> ; "
"b<1,true> b1 ; "
"struct b<1,true> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <long a, bool = a < 0> struct b {};\n"
"b<1> b1;";
const char exp[] = "struct b<1,false> ; "
"b<1,false> b1 ; "
"struct b<1,false> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <long a, bool = 0 < a> struct b {};\n"
"b<1> b1;";
const char exp[] = "struct b<1,true> ; "
"b<1,true> b1 ; "
"struct b<1,true> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <long a, bool = 0 <= a> struct b {};\n"
"b<1> b1;";
const char exp[] = "struct b<1,true> ; "
"b<1,true> b1 ; "
"struct b<1,true> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <long a, bool = a >= 0> struct b {};\n"
"b<1> b1;";
const char exp[] = "struct b<1,true> ; "
"b<1,true> b1 ; "
"struct b<1,true> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template132() { // #9250
const char code[] = "struct TrueFalse {\n"
" static constexpr bool v() { return true; }\n"
"};\n"
"int global;\n"
"template<typename T> int foo() {\n"
" __transaction_atomic noexcept(T::v()) { global += 1; }\n"
" return __transaction_atomic noexcept(T::v()) (global + 2);\n"
"}\n"
"int f1() {\n"
" return foo<TrueFalse>();\n"
"}";
const char exp[] = "struct TrueFalse { "
"static const bool v ( ) { return true ; } "
"} ; "
"int global ; "
"int foo<TrueFalse> ( ) ; "
"int f1 ( ) { "
"return foo<TrueFalse> ( ) ; "
"} "
"int foo<TrueFalse> ( ) { "
"__transaction_atomic noexcept ( TrueFalse :: v ( ) ) { global += 1 ; } "
"return __transaction_atomic noexcept ( TrueFalse :: v ( ) ) ( global + 2 ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template133() {
const char code[] = "template <typename a> struct bar {\n"
" template <typename b> static bar foo(const bar<b> &c) {\n"
" return bar();\n"
" }\n"
"};\n"
"bar<short> bs;\n"
"bar<std::array<int,4>> ba;\n"
"bar<short> b1 = bar<short>::foo<std::array<int,4>>(ba);\n"
"bar<std::array<int,4>> b2 = bar<std::array<int,4>>::foo<short>(bs);";
const char act[] = "struct bar<short> ; struct bar<std::array<int,4>> ; "
"bar<short> bs ; "
"bar<std::array<int,4>> ba ; "
"bar<short> b1 ; b1 = bar<short> :: foo<std::array<int,4>> ( ba ) ; "
"bar<std::array<int,4>> b2 ; b2 = bar<std::array<int,4>> :: foo<short> ( bs ) ; "
"struct bar<short> { "
"static bar<short> foo<std::array<int,4>> ( const bar < std :: array < int , 4 > > & c ) ; "
"} ; "
"struct bar<std::array<int,4>> { "
"static bar<std::array<int,4>> foo<short> ( const bar < short > & c ) ; "
"} ; "
"bar<std::array<int,4>> bar<std::array<int,4>> :: foo<short> ( const bar < short > & c ) { "
"return bar<std::array<int,4>> ( ) ; "
"} "
"bar<short> bar<short> :: foo<std::array<int,4>> ( const bar < std :: array < int , 4 > > & c ) { "
"return bar<short> ( ) ; "
"}";
const char exp[] = "struct bar<short> ; struct bar<std::array<int,4>> ; "
"bar<short> bs ; "
"bar<std::array<int,4>> ba ; "
"bar<short> b1 ; b1 = bar<short> :: foo<std::array<int,4>> ( ba ) ; "
"bar<std::array<int,4>> b2 ; b2 = bar<std::array<int,4>> :: foo<short> ( bs ) ; "
"struct bar<short> { "
"static bar<short> foo<std::array<int,4>> ( const bar<std::array<int,4>> & c ) ; "
"} ; "
"struct bar<std::array<int,4>> { "
"static bar<std::array<int,4>> foo<short> ( const bar<short> & c ) ; "
"} ; "
"bar<std::array<int,4>> bar<std::array<int,4>> :: foo<short> ( const bar<short> & c ) { "
"return bar<std::array<int,4>> ( ) ; "
"} "
"bar<short> bar<short> :: foo<std::array<int,4>> ( const bar<std::array<int,4>> & c ) { "
"return bar<short> ( ) ; "
"}";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
void template134() {
const char code[] = "template <int a> class e { };\n"
"template <int a> class b { e<(c > a ? 1 : 0)> d; };\n"
"b<0> b0;\n"
"b<1> b1;";
const char exp[] = "class e<(c>0)> ; class e<(c>1)> ; "
"class b<0> ; class b<1> ; "
"b<0> b0 ; "
"b<1> b1 ; "
"class b<0> { e<(c>0)> d ; } ; class b<1> { e<(c>1)> d ; } ; "
"class e<(c>0)> { } ; class e<(c>1)> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template135() {
const char code[] = "template <int> struct a { template <int b> void c(a<b>); };\n"
"a<2> d;";
const char exp[] = "struct a<2> ; "
"a<2> d ; "
"struct a<2> { template < int b > void c ( a < b > ) ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template136() { // #9287
const char code[] = "namespace a {\n"
"template <typename> struct b;\n"
"template <int> struct c;\n"
"template <typename> struct d;\n"
"template <typename> struct f;\n"
"template <typename> struct g;\n"
"template <typename h>\n"
"struct i : c<b<f<typename h ::j>>::k && b<g<typename h ::j>>::k> {};\n"
"}\n"
"namespace hana = a;\n"
"using e = int;\n"
"void l(hana::d<hana::i<e>>);";
const char exp[] = "namespace a { "
"template < typename > struct b ; "
"template < int > struct c ; "
"template < typename > struct d ; "
"template < typename > struct f ; "
"template < typename > struct g ; "
"struct i<int> ; "
"} "
"void l ( a :: d < a :: i<int> > ) ; "
"struct a :: i<int> : c < b < f < int :: j > > :: k && b < g < int :: j > > :: k > { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template137() { // #9288
const char code[] = "template <bool> struct a;\n"
"template <bool b, class> using c = typename a<b>::d;\n"
"template <class, template <class> class, class> struct e;\n"
"template <class f, class g, class... h>\n"
"using i = typename e<f, g::template fn, h...>::d;\n"
"template <class... j> struct k : c<sizeof...(j), int>::template fn<j...> {};";
const char exp[] = "template < bool > struct a ; "
"template < bool b , class > using c = typename a < b > :: d ; "
"template < class , template < class > class , class > struct e ; "
"template < class f , class g , class ... h > "
"using i = typename e < f , g :: fn , h ... > :: d ; "
"template < class ... j > struct k : c < sizeof... ( j ) , int > :: fn < j ... > { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template138() {
{
const char code[] = "struct inferior {\n"
" using visitor = int;\n"
" template <typename T>\n"
" bool operator()(const T &a, const T &b) const {\n"
" return 1 < b;\n"
" }\n"
"};\n"
"int main() {\n"
" return 0;\n"
"}";
const char exp[] = "struct inferior { "
"template < typename T > "
"bool operator() ( const T & a , const T & b ) const { "
"return 1 < b ; "
"} "
"} ; "
"int main ( ) { "
"return 0 ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "struct inferior {\n"
" template <typename T>\n"
" bool operator()(const T &a, const T &b) const {\n"
" return 1 < b;\n"
" }\n"
"};\n"
"int main() {\n"
" return 0;\n"
"}";
const char exp[] = "struct inferior { "
"template < typename T > "
"bool operator() ( const T & a , const T & b ) const { "
"return 1 < b ; "
"} "
"} ; "
"int main ( ) { "
"return 0 ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "struct inferior {\n"
" using visitor = int;\n"
" template <typename T>\n"
" bool operator()(const T &a, const T &b) const {\n"
" return a < b;\n"
" }\n"
"};\n"
"int main() {\n"
" return 0;\n"
"}";
const char exp[] = "struct inferior { "
"template < typename T > "
"bool operator() ( const T & a , const T & b ) const { "
"return a < b ; "
"} "
"} ; "
"int main ( ) { "
"return 0 ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "struct inferior {\n"
" template <typename T>\n"
" bool operator()(const T &a, const T &b) const {\n"
" return a < b;\n"
" }\n"
"};\n"
"int main() {\n"
" return 0;\n"
"}";
const char exp[] = "struct inferior { "
"template < typename T > "
"bool operator() ( const T & a , const T & b ) const { "
"return a < b ; "
"} "
"} ; "
"int main ( ) { "
"return 0 ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
}
void template139() {
{
const char code[] = "template<typename T>\n"
"struct Foo {\n"
" template<typename> friend struct Foo;\n"
"};";
const char exp[] = "template < typename T > "
"struct Foo { "
"template < typename > friend struct Foo ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template<typename T>\n"
"struct Foo {\n"
" template<typename> friend struct Foo;\n"
"} ;\n"
"Foo<int> foo;";
const char exp[] = "struct Foo<int> ; "
"Foo<int> foo ; "
"struct Foo<int> { "
"template < typename > friend struct Foo ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template140() {
{
const char code[] = "template <typename> struct a { };\n"
"template <typename b> struct d {\n"
" d();\n"
" d(d<a<b>> e);\n"
"};\n"
"void foo() { d<char> c; }";
const char exp[] = "struct a<char> ; "
"struct d<char> ; "
"void foo ( ) { d<char> c ; } "
"struct d<char> { "
"d<char> ( ) ; "
"d<char> ( d < a<char> > e ) ; "
"} ; "
"struct a<char> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace a {\n"
"template <typename b> using c = typename b ::d;\n"
"template <typename> constexpr bool e() { return false; }\n"
"template <typename b> class f { f(f<c<b>>); };\n"
"static_assert(!e<f<char>>());\n"
"}";
const char exp[] = "namespace a { "
"const bool e<f<char>> ( ) ; "
"class f<char> ; "
"static_assert ( ! e<f<char>> ( ) ) ; } "
"class a :: f<char> { f<char> ( a :: f < b :: d > ) ; } ; "
"const bool a :: e<f<char>> ( ) { return false ; }";
ASSERT_EQUALS(exp, tok(code));
}
}
void template141() { // #9337
const char code[] = "struct a {\n"
" int c;\n"
" template <typename b> void d(b e) const { c < *e; }\n"
"};";
const char exp[] = "struct a { "
"int c ; "
"template < typename b > void d ( b e ) const { c < * e ; } "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template142() { // #9338
const char code[] = "template <typename...> struct a;\n"
"template <typename b, typename c, typename... d> struct a<b c::*, d...> {\n"
" using typename b ::e;\n"
" static_assert(e::f ? sizeof...(d) : sizeof...(d), \"\");\n"
"};";
const char exp[] = "template < typename ... > struct a ; "
"template < typename b , typename c , typename ... d > struct a < b c :: * , d ... > { "
"using b :: e ; "
"static_assert ( e :: f ? sizeof... ( d ) : sizeof... ( d ) , \"\" ) ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template143() {
const char code[] = "template<int N>\n"
"using A1 = struct B1 { static auto constexpr value = N; };\n"
"A1<0> a1;\n"
"template<class T>\n"
"using A2 = struct B2 { void f(T){} };\n"
"A2<bool> a2;\n"
"template<class T>\n"
"using A3 = enum B3 {b = 0;};\n"
"A3<int> a3;";
const char exp[] = "template < int N > "
"using A1 = struct B1 { static const auto value = N ; } ; "
"A1 < 0 > a1 ; "
"template < class T > "
"using A2 = struct B2 { void f ( T ) { } } ; "
"A2 < bool > a2 ; "
"template < class T > "
"using A3 = enum B3 { b = 0 ; } ; "
"A3 < int > a3 ;";
ASSERT_EQUALS(exp, tok(code));
}
void template144() { // #9046
const char code[] = "namespace a {\n"
"template <typename T, typename enable = void>\n"
"struct promote {\n"
" using type = T;\n"
"};\n"
"template <typename T>\n"
"struct promote <T, typename std::enable_if< std::is_integral<T>::value && sizeof(T) < sizeof(int) >::type>{\n"
"};\n"
"}";
const char exp[] = "namespace a { "
"template < typename T , typename enable = void > "
"struct promote { "
"using type = T ; "
"} ; "
"template < typename T > "
"struct promote < T , std :: enable_if < std :: is_integral < T > :: value && sizeof ( T ) < sizeof ( int ) > :: type > { "
"} ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template145() { // syntax error
const char code[] = "template<template<typename, Ts = 0> class ...Cs, Cs<Ts> ...Vs> struct B { };";
const char exp[] = "template < template < typename , Ts = 0 > class ... Cs , Cs < Ts > ... Vs > struct B { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template146() { // syntax error
const char code[] = "template<class T> struct C { };\n"
"template<class T, template<class TT_T0, template<class TT_T1> class TT_TT> class TT, class U = TT<int, C> >\n"
"struct S {\n"
" void foo(TT<T, C>);\n"
"};";
const char exp[] = "template < class T > struct C { } ; "
"template < class T , template < class TT_T0 , template < class TT_T1 > class TT_TT > class TT , class U = TT < int , C > > "
"struct S { "
"void foo ( TT < T , C > ) ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template147() { // syntax error
const char code[] = "template <template <typename> class C, typename X, C<X>*> struct b { };";
const char exp[] = "template < template < typename > class C , typename X , C < X > * > struct b { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template148() { // syntax error
const char code[] = "static_assert(var<S1<11, 100>> == var<S1<199, 23>> / 2\n"
" && var<S1<50, 120>> == var<S1<150, var<S1<10, 10>>>>\n"
" && var<S1<53, 23>> != 222, \"\");";
const char exp[] = "static_assert ( var < S1 < 11 , 100 > > == var < S1 < 199 , 23 > > / 2 "
"&& var < S1 < 50 , 120 > > == var < S1 < 150 , var < S1 < 10 , 10 > > > > "
"&& var < S1 < 53 , 23 > > != 222 , \"\" ) ;";
ASSERT_EQUALS(exp, tok(code));
}
void template149() { // unknown macro
const char code[] = "BEGIN_VERSIONED_NAMESPACE_DECL\n"
"template<typename T> class Fred { };\n"
"END_VERSIONED_NAMESPACE_DECL";
ASSERT_THROW_EQUALS(tok(code), InternalError, "There is an unknown macro here somewhere. Configuration is required. If BEGIN_VERSIONED_NAMESPACE_DECL is a macro then please configure it.");
}
void template150() { // syntax error
const char code[] = "struct Test {\n"
" template <typename T>\n"
" T &operator[] (T) {}\n"
"};\n"
"void foo() {\n"
" Test test;\n"
" const string type = test.operator[]<string>(\"type\");\n"
"}";
const char exp[] = "struct Test { "
"string & operator[]<string> ( string ) ; "
"} ; "
"void foo ( ) { "
"Test test ; "
"const string type = test . operator[]<string> ( \"type\" ) ; "
"} string & Test :: operator[]<string> ( string ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template151() { // crash
{
const char code[] = "class SimulationComponentGroupGenerator {\n"
" std::list<int, std::allocator<int>> build() const;\n"
"};\n"
"template <\n"
" class obj_type,\n"
" template<class> class allocator = std::allocator,\n"
" template<class, class> class data_container = std::list>\n"
"class GenericConfigurationHandler {\n"
" data_container<int, std::allocator<int>> m_target_configurations;\n"
"};\n"
"class TargetConfigurationHandler : public GenericConfigurationHandler<int> { };";
const char exp[] = "class SimulationComponentGroupGenerator { "
"std :: list < int , std :: allocator < int > > build ( ) const ; "
"} ; "
"class GenericConfigurationHandler<int,std::allocator,std::list> ; "
"class TargetConfigurationHandler : public GenericConfigurationHandler<int,std::allocator,std::list> { } ; "
"class GenericConfigurationHandler<int,std::allocator,std::list> { "
"std :: list < int , std :: std :: allocator < int > > m_target_configurations ; "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "std::list<std::allocator<int>> a;\n"
"template <class, template <class> class allocator = std::allocator> class b {};\n"
"class c : b<int> {};";
const char exp[] = "std :: list < std :: allocator < int > > a ; "
"class b<int,std::allocator> ; "
"class c : b<int,std::allocator> { } ; "
"class b<int,std::allocator> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <typename> class a {};\n"
"template class a<char>;\n"
"template <class, template <class> class a = a> class b {};\n"
"class c : b<int> {};";
const char exp[] = "class a<char> ; "
"class b<int,a> ; "
"class c : b<int,a> { } ; "
"class b<int,a> { } ; "
"class a<char> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template152() { // #9467
const char code[] = "class Foo {\n"
" template <unsigned int i>\n"
" bool bar() {\n"
" return true;\n"
" }\n"
"};\n"
"template <>\n"
"bool Foo::bar<9>() {\n"
" return true;\n"
"}\n"
"int global() {\n"
" int bar = 1;\n"
" return bar;\n"
"}";
const char exp[] = "class Foo { "
"bool bar<9> ( ) ; "
"template < unsigned int i > "
"bool bar ( ) { "
"return true ; "
"} "
"} ; "
"bool Foo :: bar<9> ( ) { "
"return true ; "
"} "
"int global ( ) { "
"int bar ; bar = 1 ; "
"return bar ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template153() { // #9483
const char code[] = "template <class = b<decltype(a<h>())...>> void i();";
const char exp[] = "template < class = b < decltype ( a < h > ( ) ) ... > > void i ( ) ;";
ASSERT_EQUALS(exp, tok(code));
}
void template154() { // #9495
const char code[] = "template <typename S, enable_if_t<(is_compile_string<S>::value), int>> void i(S s);";
const char exp[] = "template < typename S , enable_if_t < ( is_compile_string < S > :: value ) , int > > void i ( S s ) ;";
ASSERT_EQUALS(exp, tok(code));
}
void template155() { // #9539
const char code[] = "template <int> int a = 0;\n"
"struct b {\n"
" void operator[](int);\n"
"};\n"
"void c() {\n"
" b d;\n"
" d[a<0>];\n"
"}";
const char exp[] = "int a<0> ; "
"a<0> = 0 ; "
"struct b { "
"void operator[] ( int ) ; "
"} ; "
"void c ( ) { "
"b d ; "
"d [ a<0> ] ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template156() {
const char code[] = "template <int a> struct c { static constexpr int d = a; };\n"
"template <bool b> using e = c<b>;\n"
"using f = e<false>;\n"
"template <typename> struct g : f {};\n"
"template <bool, class, class> using h = e<g<long>::d>;\n"
"template <typename> using i = e<g<double>::d>;\n"
"template <typename j> using k = e<i<j>::d>;\n"
"template <typename j> using l = h<k<j>::d, e<1 < (j)0>, f>;\n"
"template <typename> void m(int, int, int) { l<int> d; }\n"
"void n() { m<int>(0, 4, 5); }";
tok(code); // don't crash
}
void template157() { // #9854
const char code[] = "template <int a, bool c = a == int()> struct b1 { bool d = c; };\n"
"template <int a, bool c = a != int()> struct b2 { bool d = c; };\n"
"template <int a, bool c = a < int()> struct b3 { bool d = c; };\n"
"template <int a, bool c = a <= int()> struct b4 { bool d = c; };\n"
"template <int a, bool c = (a > int())> struct b5 { bool d = c; };\n"
"template <int a, bool c = a >= int()> struct b6 { bool d = c; };\n"
"b1<0> var1;\n"
"b2<0> var2;\n"
"b3<0> var3;\n"
"b4<0> var4;\n"
"b5<0> var5;\n"
"b6<0> var6;";
const char exp[] = "struct b1<0,true> ; "
"struct b2<0,false> ; "
"struct b3<0,false> ; "
"struct b4<0,true> ; "
"struct b5<0,false> ; "
"struct b6<0,true> ; "
"b1<0,true> var1 ; "
"b2<0,false> var2 ; "
"b3<0,false> var3 ; "
"b4<0,true> var4 ; "
"b5<0,false> var5 ; "
"b6<0,true> var6 ; "
"struct b6<0,true> { bool d ; d = true ; } ; "
"struct b5<0,false> { bool d ; d = false ; } ; "
"struct b4<0,true> { bool d ; d = true ; } ; "
"struct b3<0,false> { bool d ; d = false ; } ; "
"struct b2<0,false> { bool d ; d = false ; } ; "
"struct b1<0,true> { bool d ; d = true ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template158() { // daca crash
const char code[] = "template <typename> class a0{};\n"
"template <typename> class a1{};\n"
"template <typename> class a2{};\n"
"template <typename> class a3{};\n"
"template <typename> class a4{};\n"
"template <typename> class a5{};\n"
"template <typename> class a6{};\n"
"template <typename> class a7{};\n"
"template <typename> class a8{};\n"
"template <typename> class a9{};\n"
"template <typename> class a10{};\n"
"template <typename> class a11{};\n"
"template <typename> class a12{};\n"
"template <typename> class a13{};\n"
"template <typename> class a14{};\n"
"template <typename> class a15{};\n"
"template <typename> class a16{};\n"
"template <typename> class a17{};\n"
"template <typename> class a18{};\n"
"template <typename> class a19{};\n"
"template <typename> class a20{};\n"
"template <typename> class a21{};\n"
"template <typename> class a22{};\n"
"template <typename> class a23{};\n"
"template <typename> class a24{};\n"
"template <typename> class a25{};\n"
"template <typename> class a26{};\n"
"template <typename> class a27{};\n"
"template <typename> class a28{};\n"
"template <typename> class a29{};\n"
"template <typename> class a30{};\n"
"template <typename> class a31{};\n"
"template <typename> class a32{};\n"
"template <typename> class a33{};\n"
"template <typename> class a34{};\n"
"template <typename> class a35{};\n"
"template <typename> class a36{};\n"
"template <typename> class a37{};\n"
"template <typename> class a38{};\n"
"template <typename> class a39{};\n"
"template <typename> class a40{};\n"
"template <typename> class a41{};\n"
"template <typename> class a42{};\n"
"template <typename> class a43{};\n"
"template <typename> class a44{};\n"
"template <typename> class a45{};\n"
"template <typename> class a46{};\n"
"template <typename> class a47{};\n"
"template <typename> class a48{};\n"
"template <typename> class a49{};\n"
"template <typename> class a50{};\n"
"template <typename> class a51{};\n"
"template <typename> class a52{};\n"
"template <typename> class a53{};\n"
"template <typename> class a54{};\n"
"template <typename> class a55{};\n"
"template <typename> class a56{};\n"
"template <typename> class a57{};\n"
"template <typename> class a58{};\n"
"template <typename> class a59{};\n"
"template <typename> class a60{};\n"
"template <typename> class a61{};\n"
"template <typename> class a62{};\n"
"template <typename> class a63{};\n"
"template <typename> class a64{};\n"
"template <typename> class a65{};\n"
"template <typename> class a66{};\n"
"template <typename> class a67{};\n"
"template <typename> class a68{};\n"
"template <typename> class a69{};\n"
"template <typename> class a70{};\n"
"template <typename> class a71{};\n"
"template <typename> class a72{};\n"
"template <typename> class a73{};\n"
"template <typename> class a74{};\n"
"template <typename> class a75{};\n"
"template <typename> class a76{};\n"
"template <typename> class a77{};\n"
"template <typename> class a78{};\n"
"template <typename> class a79{};\n"
"template <typename> class a80{};\n"
"template <typename> class a81{};\n"
"template <typename> class a82{};\n"
"template <typename> class a83{};\n"
"template <typename> class a84{};\n"
"template <typename> class a85{};\n"
"template <typename> class a86{};\n"
"template <typename> class a87{};\n"
"template <typename> class a88{};\n"
"template <typename> class a89{};\n"
"template <typename> class a90{};\n"
"template <typename> class a91{};\n"
"template <typename> class a92{};\n"
"template <typename> class a93{};\n"
"template <typename> class a94{};\n"
"template <typename> class a95{};\n"
"template <typename> class a96{};\n"
"template <typename> class a97{};\n"
"template <typename> class a98{};\n"
"template <typename> class a99{};\n"
"template <typename> class a100{};\n"
"template <typename> class b {};\n"
"b<a0<int>> d0;\n"
"b<a1<int>> d1;\n"
"b<a2<int>> d2;\n"
"b<a3<int>> d3;\n"
"b<a4<int>> d4;\n"
"b<a5<int>> d5;\n"
"b<a6<int>> d6;\n"
"b<a7<int>> d7;\n"
"b<a8<int>> d8;\n"
"b<a9<int>> d9;\n"
"b<a10<int>> d10;\n"
"b<a11<int>> d11;\n"
"b<a12<int>> d12;\n"
"b<a13<int>> d13;\n"
"b<a14<int>> d14;\n"
"b<a15<int>> d15;\n"
"b<a16<int>> d16;\n"
"b<a17<int>> d17;\n"
"b<a18<int>> d18;\n"
"b<a19<int>> d19;\n"
"b<a20<int>> d20;\n"
"b<a21<int>> d21;\n"
"b<a22<int>> d22;\n"
"b<a23<int>> d23;\n"
"b<a24<int>> d24;\n"
"b<a25<int>> d25;\n"
"b<a26<int>> d26;\n"
"b<a27<int>> d27;\n"
"b<a28<int>> d28;\n"
"b<a29<int>> d29;\n"
"b<a30<int>> d30;\n"
"b<a31<int>> d31;\n"
"b<a32<int>> d32;\n"
"b<a33<int>> d33;\n"
"b<a34<int>> d34;\n"
"b<a35<int>> d35;\n"
"b<a36<int>> d36;\n"
"b<a37<int>> d37;\n"
"b<a38<int>> d38;\n"
"b<a39<int>> d39;\n"
"b<a40<int>> d40;\n"
"b<a41<int>> d41;\n"
"b<a42<int>> d42;\n"
"b<a43<int>> d43;\n"
"b<a44<int>> d44;\n"
"b<a45<int>> d45;\n"
"b<a46<int>> d46;\n"
"b<a47<int>> d47;\n"
"b<a48<int>> d48;\n"
"b<a49<int>> d49;\n"
"b<a50<int>> d50;\n"
"b<a51<int>> d51;\n"
"b<a52<int>> d52;\n"
"b<a53<int>> d53;\n"
"b<a54<int>> d54;\n"
"b<a55<int>> d55;\n"
"b<a56<int>> d56;\n"
"b<a57<int>> d57;\n"
"b<a58<int>> d58;\n"
"b<a59<int>> d59;\n"
"b<a60<int>> d60;\n"
"b<a61<int>> d61;\n"
"b<a62<int>> d62;\n"
"b<a63<int>> d63;\n"
"b<a64<int>> d64;\n"
"b<a65<int>> d65;\n"
"b<a66<int>> d66;\n"
"b<a67<int>> d67;\n"
"b<a68<int>> d68;\n"
"b<a69<int>> d69;\n"
"b<a70<int>> d70;\n"
"b<a71<int>> d71;\n"
"b<a72<int>> d72;\n"
"b<a73<int>> d73;\n"
"b<a74<int>> d74;\n"
"b<a75<int>> d75;\n"
"b<a76<int>> d76;\n"
"b<a77<int>> d77;\n"
"b<a78<int>> d78;\n"
"b<a79<int>> d79;\n"
"b<a80<int>> d80;\n"
"b<a81<int>> d81;\n"
"b<a82<int>> d82;\n"
"b<a83<int>> d83;\n"
"b<a84<int>> d84;\n"
"b<a85<int>> d85;\n"
"b<a86<int>> d86;\n"
"b<a87<int>> d87;\n"
"b<a88<int>> d88;\n"
"b<a89<int>> d89;\n"
"b<a90<int>> d90;\n"
"b<a91<int>> d91;\n"
"b<a92<int>> d92;\n"
"b<a93<int>> d93;\n"
"b<a94<int>> d94;\n"
"b<a95<int>> d95;\n"
"b<a96<int>> d96;\n"
"b<a97<int>> d97;\n"
"b<a98<int>> d98;\n"
"b<a99<int>> d99;\n"
"b<a100<int>> d100;";
// don't bother checking the output because this is not instantiated properly
tok(code); // don't crash
}
void template159() { // #9886
const char code[] = "struct impl { template <class T> static T create(); };\n"
"template<class T, class U, class = decltype(impl::create<T>()->impl::create<U>())>\n"
"struct tester{};\n"
"tester<impl*, int> ti;\n"
"template<class T, class U, class = decltype(impl::create<T>()->impl::create<U>())>\n"
"int test() { return 0; }\n"
"int i = test<impl*, int>();";
const char exp[] = "struct impl { template < class T > static T create ( ) ; } ; "
"struct tester<impl*,int,decltype(impl::create<impl*>().impl::create<int>())> ; "
"tester<impl*,int,decltype(impl::create<impl*>().impl::create<int>())> ti ; "
"int test<impl*,int,decltype(impl::create<impl*>().impl::create<int>())> ( ) ; "
"int i ; i = test<impl*,int,decltype(impl::create<impl*>().impl::create<int>())> ( ) ; "
"int test<impl*,int,decltype(impl::create<impl*>().impl::create<int>())> ( ) { return 0 ; } "
"struct tester<impl*,int,decltype(impl::create<impl*>().impl::create<int>())> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template160() {
const char code[] = "struct Fred {\n"
" template <typename T> static void foo() { }\n"
" template <typename T> static void foo(T) { }\n"
"};\n"
"template void Fred::foo<char>();\n"
"template <> void Fred::foo<bool>() { }\n"
"template void Fred::foo<float>(float);\n"
"template <> void Fred::foo<int>(int) { }";
const char exp[] = "struct Fred { "
"static void foo<bool> ( ) ; "
"static void foo<char> ( ) ; "
"static void foo<int> ( int ) ; "
"static void foo<float> ( float ) ; "
"} ; "
"void Fred :: foo<bool> ( ) { } "
"void Fred :: foo<int> ( int ) { } "
"void Fred :: foo<float> ( float ) { } "
"void Fred :: foo<char> ( ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template161() {
const char code[] = "struct JobEntry { };\n"
"template<class T>\n"
"struct adapter : public T {\n"
" template<class... Args>\n"
" adapter(Args&&... args) : T{ std::forward<Args>(args)... } {}\n"
"};\n"
"void foo() {\n"
" auto notifyJob = std::make_shared<adapter<JobEntry>> ();\n"
"}";
const char exp[] = "???";
const char act[] = "struct JobEntry { } ; "
"struct adapter<JobEntry> ; "
"void foo ( ) { "
"auto notifyJob ; notifyJob = std :: make_shared < adapter<JobEntry> > ( ) ; "
"} "
"struct adapter<JobEntry> : public JobEntry { "
"template < class ... Args > "
"adapter<JobEntry> ( Args && ... args ) : JobEntry { std :: forward < Args > ( args ) ... } { } "
"} ;";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
void template162() {
const char code[] = "template <std::size_t N>\n"
"struct CountryCode {\n"
" CountryCode(std::string cc);\n"
"};"
"template <std::size_t N>\n"
"CountryCode<N>::CountryCode(std::string cc) : m_String{std::move(cc)} {\n"
"}\n"
"template class CountryCode<2>;\n"
"template class CountryCode<3>;";
const char exp[] = "struct CountryCode<2> ; "
"struct CountryCode<3> ; "
"struct CountryCode<2> { "
"CountryCode<2> ( std :: string cc ) ; "
"} ; "
"CountryCode<2> :: CountryCode<2> ( std :: string cc ) : m_String { std :: move ( cc ) } { "
"} "
"struct CountryCode<3> { "
"CountryCode<3> ( std :: string cc ) ; "
"} ; "
"CountryCode<3> :: CountryCode<3> ( std :: string cc ) : m_String { std :: move ( cc ) } { "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template163() { // #9685 syntax error
const char code[] = "extern \"C++\" template < typename T > T * test ( ) { return nullptr ; }";
ASSERT_EQUALS(code, tok(code));
}
void template164() { // #9394
const char code[] = "template <class TYPE>\n"
"struct A {\n"
" A();\n"
" ~A();\n"
" static void f();\n"
"};\n"
"template <class TYPE>\n"
"A<TYPE>::A() { }\n"
"template <class TYPE>\n"
"A<TYPE>::~A() { }\n"
"template <class TYPE>\n"
"void A<TYPE>::f() { }\n"
"template class A<int>;\n"
"template class A<float>;";
const char exp[] = "struct A<int> ; "
"struct A<float> ; "
"struct A<int> { "
"A<int> ( ) ; "
"~ A<int> ( ) ; "
"static void f ( ) ; "
"} ; "
"A<int> :: A<int> ( ) { } "
"A<int> :: ~ A<int> ( ) { } "
"void A<int> :: f ( ) { } "
"struct A<float> { "
"A<float> ( ) ; "
"~ A<float> ( ) ; "
"static void f ( ) ; "
"} ; "
"A<float> :: A<float> ( ) { } "
"A<float> :: ~ A<float> ( ) { } "
"void A<float> :: f ( ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template165() { // #10032 syntax error
const char code[] = "struct MyStruct {\n"
" template<class T>\n"
" bool operator()(const T& l, const T& r) const {\n"
" return l.first < r.first;\n"
" }\n"
"};";
const char exp[] = "struct MyStruct { "
"template < class T > "
"bool operator() ( const T & l , const T & r ) const { "
"return l . first < r . first ; "
"} "
"} ;";
ASSERT_EQUALS(exp, tok(code));
}
void template166() { // #10081 hang
const char code[] = "template <typename T, size_t k = (T::s < 3) ? 0 : 3>\n"
"void foo() {}\n"
"foo<T>();";
const char exp[] = "void foo<T,(T::s<3)?0:3> ( ) ; "
"foo<T,(T::s<3)?0:3> ( ) ; "
"void foo<T,(T::s<3)?0:3> ( ) { }";
ASSERT_EQUALS(exp, tok(code));
}
void template167() {
const char code[] = "struct MathLib {\n"
" template<class T> static std::string toString(T value) {\n"
" return std::string{};\n"
" }\n"
"};\n"
"template<> std::string MathLib::toString(double value);\n"
"template<> std::string MathLib::toString(double value) {\n"
" return std::string{std::to_string(value)};\n"
"}\n"
"void foo() {\n"
" std::string str = MathLib::toString(1.0);\n"
"}";
const char exp[] = "struct MathLib { "
"static std :: string toString<double> ( double value ) ; "
"template < class T > static std :: string toString ( T value ) { "
"return std :: string { } ; "
"} "
"} ; "
"std :: string MathLib :: toString<double> ( double value ) { "
"return std :: string { std :: to_string ( value ) } ; "
"} "
"void foo ( ) { "
"std :: string str ; str = MathLib :: toString<double> ( 1.0 ) ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template168() {
const char code[] = "template < typename T, typename U > struct type { };\n"
"template < > struct type < bool, bool > {};\n"
"template < > struct type < unsigned char, unsigned char > {};\n"
"template < > struct type < char, char > {};\n"
"template < > struct type < signed char, signed char > {};\n"
"template < > struct type < unsigned short, unsigned short > {};\n"
"template < > struct type < short, short > {};\n"
"template < > struct type < unsigned int, unsigned int > {};\n"
"template < > struct type < int, int > {};\n"
"template < > struct type < unsigned long long, unsigned long long > {};\n"
"template < > struct type < long long, long long > {};\n"
"template < > struct type < double, double > {};\n"
"template < > struct type < float, float > {};\n"
"template < > struct type < long double, long double > {};";
const char exp[] = "struct type<longdouble,longdouble> ; "
"struct type<float,float> ; "
"struct type<double,double> ; "
"struct type<longlong,longlong> ; "
"struct type<unsignedlonglong,unsignedlonglong> ; "
"struct type<int,int> ; "
"struct type<unsignedint,unsignedint> ; "
"struct type<short,short> ; "
"struct type<unsignedshort,unsignedshort> ; "
"struct type<signedchar,signedchar> ; "
"struct type<char,char> ; "
"struct type<unsignedchar,unsignedchar> ; "
"struct type<bool,bool> ; "
"template < typename T , typename U > struct type { } ; "
"struct type<bool,bool> { } ; "
"struct type<unsignedchar,unsignedchar> { } ; "
"struct type<char,char> { } ; "
"struct type<signedchar,signedchar> { } ; "
"struct type<unsignedshort,unsignedshort> { } ; "
"struct type<short,short> { } ; "
"struct type<unsignedint,unsignedint> { } ; "
"struct type<int,int> { } ; "
"struct type<unsignedlonglong,unsignedlonglong> { } ; "
"struct type<longlong,longlong> { } ; "
"struct type<double,double> { } ; "
"struct type<float,float> { } ; "
"struct type<longdouble,longdouble> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template169() {
const char code[] = "template < typename T> struct last { T t; };\n"
"template < typename T > struct CImgList { T t; };\n"
"CImgList < last < bool > > c1;\n"
"CImgList < last < signed char > > c2;\n"
"CImgList < last < unsigned char > > c3;\n"
"CImgList < last < char > > c4;\n"
"CImgList < last < unsigned short > > c5;\n"
"CImgList < last < short > > c6;\n"
"CImgList < last < unsigned int > > c7;\n"
"CImgList < last < int > > c8;\n"
"CImgList < last < unsigned long > > c9;\n"
"CImgList < last < long > > c10;\n"
"CImgList < last < unsigned long long > > c11;\n"
"CImgList < last < long long > > c12;\n"
"CImgList < last < float > > c13;\n"
"CImgList < last < double > > c14;\n"
"CImgList < last < long double > > c15;";
const char exp[] = "struct last<bool> ; "
"struct last<signedchar> ; "
"struct last<unsignedchar> ; "
"struct last<char> ; "
"struct last<unsignedshort> ; "
"struct last<short> ; "
"struct last<unsignedint> ; "
"struct last<int> ; "
"struct last<unsignedlong> ; "
"struct last<long> ; "
"struct last<unsignedlonglong> ; "
"struct last<longlong> ; "
"struct last<float> ; "
"struct last<double> ; "
"struct last<longdouble> ; "
"struct CImgList<last<bool>> ; "
"struct CImgList<last<signedchar>> ; "
"struct CImgList<last<unsignedchar>> ; "
"struct CImgList<last<char>> ; "
"struct CImgList<last<unsignedshort>> ; "
"struct CImgList<last<short>> ; "
"struct CImgList<last<unsignedint>> ; "
"struct CImgList<last<int>> ; "
"struct CImgList<last<unsignedlong>> ; "
"struct CImgList<last<long>> ; "
"struct CImgList<last<unsignedlonglong>> ; "
"struct CImgList<last<longlong>> ; "
"struct CImgList<last<float>> ; "
"struct CImgList<last<double>> ; "
"struct CImgList<last<longdouble>> ; "
"CImgList<last<bool>> c1 ; "
"CImgList<last<signedchar>> c2 ; "
"CImgList<last<unsignedchar>> c3 ; "
"CImgList<last<char>> c4 ; "
"CImgList<last<unsignedshort>> c5 ; "
"CImgList<last<short>> c6 ; "
"CImgList<last<unsignedint>> c7 ; "
"CImgList<last<int>> c8 ; "
"CImgList<last<unsignedlong>> c9 ; "
"CImgList<last<long>> c10 ; "
"CImgList<last<unsignedlonglong>> c11 ; "
"CImgList<last<longlong>> c12 ; "
"CImgList<last<float>> c13 ; "
"CImgList<last<double>> c14 ; "
"CImgList<last<longdouble>> c15 ; "
"struct CImgList<last<bool>> { last<bool> t ; } ; "
"struct CImgList<last<signedchar>> { last<signedchar> t ; } ; "
"struct CImgList<last<unsignedchar>> { last<unsignedchar> t ; } ; "
"struct CImgList<last<char>> { last<char> t ; } ; "
"struct CImgList<last<unsignedshort>> { last<unsignedshort> t ; } ; "
"struct CImgList<last<short>> { last<short> t ; } ; "
"struct CImgList<last<unsignedint>> { last<unsignedint> t ; } ; "
"struct CImgList<last<int>> { last<int> t ; } ; "
"struct CImgList<last<unsignedlong>> { last<unsignedlong> t ; } ; "
"struct CImgList<last<long>> { last<long> t ; } ; "
"struct CImgList<last<unsignedlonglong>> { last<unsignedlonglong> t ; } ; "
"struct CImgList<last<longlong>> { last<longlong> t ; } ; "
"struct CImgList<last<float>> { last<float> t ; } ; "
"struct CImgList<last<double>> { last<double> t ; } ; "
"struct CImgList<last<longdouble>> { last<longdouble> t ; } ; "
"struct last<bool> { bool t ; } ; "
"struct last<signedchar> { signed char t ; } ; "
"struct last<unsignedchar> { unsigned char t ; } ; "
"struct last<char> { char t ; } ; "
"struct last<unsignedshort> { unsigned short t ; } ; "
"struct last<short> { short t ; } ; "
"struct last<unsignedint> { unsigned int t ; } ; "
"struct last<int> { int t ; } ; "
"struct last<unsignedlong> { unsigned long t ; } ; "
"struct last<long> { long t ; } ; "
"struct last<unsignedlonglong> { unsigned long long t ; } ; "
"struct last<longlong> { long long t ; } ; "
"struct last<float> { float t ; } ; "
"struct last<double> { double t ; } ; "
"struct last<longdouble> { long double t ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template170() { // crash
const char code[] = "template <int b> int a = 0;\n"
"void c() {\n"
" a<1>;\n"
" [](auto b) {};\n"
"}";
const char exp[] = "int a<1> ; a<1> = 0 ; "
"void c ( ) { "
"a<1> ; "
"[ ] ( auto b ) { } ; "
"}";
ASSERT_EQUALS(exp, tok(code));
}
void template171() { // crash
const char code[] = "template <int> struct c { enum { b }; };\n"
"template <int> struct h { enum { d }; enum { e }; };\n"
"template <int f, long = h<f>::d, int g = h<f>::e> class i { enum { e = c<g>::b }; };\n"
"void j() { i<2> a; }";
const char exp[] = "struct c<h<2>::e> ; "
"struct h<2> ; "
"class i<2,h<2>::d,h<2>::e> ; "
"void j ( ) { i<2,h<2>::d,h<2>::e> a ; } "
"class i<2,h<2>::d,h<2>::e> { enum Anonymous3 { e = c<h<2>::e> :: b } ; } ; "
"struct h<2> { enum Anonymous1 { d } ; enum Anonymous2 { e } ; } ; "
"struct c<h<2>::e> { enum Anonymous0 { b } ; } ;";
const char act[] = "struct c<h<2>::e> ; "
"template < int > struct h { enum Anonymous1 { d } ; enum Anonymous2 { e } ; } ; "
"class i<2,h<2>::d,h<2>::e> ; "
"void j ( ) { i<2,h<2>::d,h<2>::e> a ; } "
"class i<2,h<2>::d,h<2>::e> { enum Anonymous3 { e = c<h<2>::e> :: b } ; } ; "
"struct c<h<2>::e> { enum Anonymous0 { b } ; } ;";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
void template_specialization_1() { // #7868 - template specialization template <typename T> struct S<C<T>> {..};
const char code[] = "template <typename T> struct C {};\n"
"template <typename T> struct S {a};\n"
"template <typename T> struct S<C<T>> {b};\n"
"S<int> s;";
const char exp[] = "template < typename T > struct C { } ; struct S<int> ; template < typename T > struct S < C < T > > { b } ; S<int> s ; struct S<int> { a } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template_specialization_2() { // #7868 - template specialization template <typename T> struct S<C<T>> {..};
const char code[] = "template <typename T> struct C {};\n"
"template <typename T> struct S {a};\n"
"template <typename T> struct S<C<T>> {b};\n"
"S<C<int>> s;";
const char exp[] = "template < typename T > struct C { } ; template < typename T > struct S { a } ; struct S<C<int>> ; S<C<int>> s ; struct S<C<int>> { b } ;";
ASSERT_EQUALS(exp, tok(code));
}
void template_enum() {
const char code1[] = "template <class T>\n"
"struct Unconst {\n"
" typedef T type;\n"
"};\n"
"template <class T>\n"
"struct Unconst<const T> {\n"
" typedef T type;\n"
"};\n"
"template <class T>\n"
"struct Unconst<const T&> {\n"
" typedef T& type;\n"
"};\n"
"template <class T>\n"
"struct Unconst<T* const> {\n"
" typedef T* type;\n"
"};\n"
"template <class T1, class T2>\n"
"struct type_equal {\n"
" enum { value = 0 };\n"
"};\n"
"template <class T>\n"
"struct type_equal<T, T> {\n"
" enum { value = 1 };\n"
"};\n"
"template<class T>\n"
"struct template_is_const\n"
"{\n"
" enum {value = !type_equal<T, typename Unconst<T>::type>::value };\n"
"};";
const char exp1[] = "template < class T > struct Unconst { } ; "
"template < class T > struct Unconst < const T > { } ; "
"template < class T > struct Unconst < const T & > { } ; "
"template < class T > struct Unconst < T * const > { } ; "
"template < class T1 , class T2 > struct type_equal { enum Anonymous0 { value = 0 } ; } ; "
"template < class T > struct type_equal < T , T > { enum Anonymous1 { value = 1 } ; } ; "
"template < class T > struct template_is_const { enum Anonymous2 { value = ! type_equal < T , Unconst < T > :: type > :: value } ; } ;";
ASSERT_EQUALS(exp1, tok(code1));
}
void template_default_parameter() {
{
const char code[] = "template <class T, int n=3>\n"
"class A\n"
"{ T ar[n]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int,2> a1;\n"
" A<int> a2;\n"
"}\n";
const char expected[] = "class A<int,2> ; "
"class A<int,3> ; "
"void f ( ) "
"{"
" A<int,2> a1 ;"
" A<int,3> a2 ; "
"} "
"class A<int,2> "
"{ int ar [ 2 ] ; } ; "
"class A<int,3> "
"{ int ar [ 3 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <class T, int n1=3, int n2=2>\n"
"class A\n"
"{ T ar[n1+n2]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int> a1;\n"
" A<int,3> a2;\n"
"}\n";
const char expected[] = "class A<int,3,2> ; "
"void f ( ) "
"{"
" A<int,3,2> a1 ;"
" A<int,3,2> a2 ; "
"} "
"class A<int,3,2> "
"{ int ar [ 3 + 2 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <class T, int n=3>\n"
"class A\n"
"{ T ar[n]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int,(int)2> a1;\n"
" A<int> a2;\n"
"}\n";
const char expected[] = "class A<int,(int)2> ; "
"class A<int,3> ; "
"void f ( ) "
"{ "
"A<int,(int)2> a1 ; "
"A<int,3> a2 ; "
"} "
"class A<int,(int)2> "
"{ int ar [ ( int ) 2 ] ; } ; "
"class A<int,3> "
"{ int ar [ 3 ] ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "class A { }; "
"template<class T> class B { }; "
"template<class T1, class T2 = B<T1>> class C { }; "
"template<class T1 = A, typename T2 = B<A>> class D { };";
ASSERT_EQUALS("class A { } ; "
"template < class T > class B { } ; "
"template < class T1 , class T2 = B < T1 > > class C { } ; "
"template < class T1 = A , typename T2 = B < A > > class D { } ;", tok(code));
}
{
// #7548
const char code[] = "template<class T, class U> class DefaultMemory {}; "
"template<class Key, class Val, class Mem=DefaultMemory<Key,Val> > class thv_table_c {}; "
"thv_table_c<void *,void *> id_table_m;";
const char exp [] = "template < class T , class U > class DefaultMemory { } ; "
"class thv_table_c<void*,void*,DefaultMemory<void*,void*>> ; "
"thv_table_c<void*,void*,DefaultMemory<void*,void*>> id_table_m ; "
"class thv_table_c<void*,void*,DefaultMemory<void*,void*>> { } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
// #8890
const char code[] = "template <typename = void> struct a {\n"
" void c();\n"
"};\n"
"void f() {\n"
" a<> b;\n"
" b.a<>::c();\n"
"}";
ASSERT_EQUALS("struct a<void> ; "
"void f ( ) { "
"a<void> b ; "
"b . a<void> :: c ( ) ; "
"} "
"struct a<void> { "
"void c ( ) ; "
"} ;", tok(code));
}
{
// #8890
const char code[] = "template< typename T0 = void > class A;\n"
"template<>\n"
"class A< void > {\n"
" public:\n"
" A() { }\n"
" ~A() { }\n"
" void Print() { std::cout << \"A\" << std::endl; }\n"
"};\n"
"class B : public A<> {\n"
" public:\n"
" B() { }\n"
" ~B() { }\n"
"};\n"
"int main( int argc, char* argv[] ) {\n"
" B b;\n"
" b.A<>::Print();\n"
" return 0;\n"
"}";
ASSERT_EQUALS("class A<void> ; "
"template < typename T0 > class A ; "
"class A<void> { "
"public: "
"A<void> ( ) { } "
"~ A<void> ( ) { } "
"void Print ( ) { std :: cout << \"A\" << std :: endl ; } "
"} ; "
"class B : public A<void> { "
"public: "
"B ( ) { } "
"~ B ( ) { } "
"} ; "
"int main ( int argc , char * argv [ ] ) { "
"B b ; "
"b . A<void> :: Print ( ) ; "
"return 0 ; "
"}", tok(code));
}
}
void template_forward_declared_default_parameter() {
{
const char code[] = "template <class T, int n=3> class A;\n"
"template <class T, int n>\n"
"class A\n"
"{ T ar[n]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int,2> a1;\n"
" A<int> a2;\n"
"}\n";
const char exp[] = "class A<int,2> ; "
"class A<int,3> ; "
"void f ( ) "
"{"
" A<int,2> a1 ;"
" A<int,3> a2 ; "
"} "
"class A<int,2> "
"{ int ar [ 2 ] ; } ; "
"class A<int,3> "
"{ int ar [ 3 ] ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template <class, int = 3> class A;\n"
"template <class T, int n>\n"
"class A\n"
"{ T ar[n]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int,2> a1;\n"
" A<int> a2;\n"
"}\n";
const char exp[] = "class A<int,2> ; "
"class A<int,3> ; "
"void f ( ) "
"{"
" A<int,2> a1 ;"
" A<int,3> a2 ; "
"} "
"class A<int,2> "
"{ int ar [ 2 ] ; } ; "
"class A<int,3> "
"{ int ar [ 3 ] ; } ;";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "template<typename Lhs, int TriangularPart = (int(Lhs::Flags) & LowerTriangularBit)>\n"
"struct ei_solve_triangular_selector;\n"
"template<typename Lhs, int UpLo>\n"
"struct ei_solve_triangular_selector<Lhs,UpLo> {\n"
"};\n"
"template<typename Lhs, int TriangularPart>\n"
"struct ei_solve_triangular_selector { };";
const char exp[] = "template < typename Lhs , int TriangularPart = ( int ( Lhs :: Flags ) & LowerTriangularBit ) > "
"struct ei_solve_triangular_selector ; "
"template < typename Lhs , int UpLo > "
"struct ei_solve_triangular_selector < Lhs , UpLo > { "
"} ; "
"template < typename Lhs , int TriangularPart = ( int ( Lhs :: Flags ) & LowerTriangularBit ) > "
"struct ei_solve_triangular_selector { } ;";
ASSERT_EQUALS(exp, tok(code));
}
}
void template_default_type() {
const char code[] = "template <typename T, typename U=T>\n"
"class A\n"
"{\n"
"public:\n"
" void foo() {\n"
" int a;\n"
" a = static_cast<U>(a);\n"
" }\n"
"};\n"
"\n"
"template <typename T>\n"
"class B\n"
"{\n"
"protected:\n"
" A<int> a;\n"
"};\n"
"\n"
"class C\n"
" : public B<int>\n"
"{\n"
"};\n";
tok(code);
//ASSERT_EQUALS("[file1.cpp:15]: (error) Internal error: failed to instantiate template. The checking continues anyway.\n", errout.str());
ASSERT_EQUALS("", errout.str());
}
void template_typename() {
{
const char code[] = "template <class T>\n"
"void foo(typename T::t *)\n"
"{ }";
// The expected result..
const char expected[] = "template < class T > void foo ( T :: t * ) { }";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f() {\n"
" x(sizeof typename);\n"
" type = 0;\n"
"}";
ASSERT_EQUALS("void f ( ) { x ( sizeof ( typename ) ) ; type = 0 ; }", tok(code));
}
}
void template_constructor() {
// #3152 - if template constructor is removed then there might be
// "no constructor" false positives
const char code[] = "class Fred {\n"
" template<class T> explicit Fred(T t) { }\n"
"}";
ASSERT_EQUALS("class Fred { template < class T > explicit Fred ( T t ) { } }", tok(code));
// #3532
const char code2[] = "class Fred {\n"
" template<class T> Fred(T t) { }\n"
"}";
ASSERT_EQUALS("class Fred { template < class T > Fred ( T t ) { } }", tok(code2));
}
void syntax_error_templates_1() {
// ok code.. using ">" for a comparison
tok("x<y>z> xyz;");
ASSERT_EQUALS("", errout.str());
// ok code
tok("template<class T> operator<(T a, T b) { }");
ASSERT_EQUALS("", errout.str());
// ok code (ticket #1984)
tok("void f(a) int a;\n"
"{ ;x<y; }");
ASSERT_EQUALS("", errout.str());
// ok code (ticket #1985)
tok("void f()\n"
"{ try { ;x<y; } }");
ASSERT_EQUALS("", errout.str());
// ok code (ticket #3183)
tok("MACRO(({ i < x }))");
ASSERT_EQUALS("", errout.str());
// bad code.. missing ">"
ASSERT_THROW(tok("x<y<int> xyz;\n"), InternalError);
// bad code
ASSERT_THROW(tok("typedef\n"
" typename boost::mpl::if_c<\n"
" _visitableIndex < boost::mpl::size< typename _Visitables::ConcreteVisitables >::value\n"
" , ConcreteVisitable\n"
" , Dummy< _visitableIndex >\n"
" >::type ConcreteVisitableOrDummy;\n"), InternalError);
// code is ok, don't show syntax error
tok("struct A {int a;int b};\n"
"class Fred {"
"public:\n"
" Fred() : a({1,2}) {\n"
" for (int i=0;i<6;i++);\n" // <- no syntax error
" }\n"
"private:\n"
" A a;\n"
"};");
ASSERT_EQUALS("", errout.str());
//both of these should work but in cppcheck 2.1 only the first option will work (ticket #9843)
{
const std::string expected = "template < long Num > const bool foo < bar < Num > > = true ;";
ASSERT_EQUALS(expected,
tok("template <long Num>\n"
"constexpr bool foo<bar<Num> > = true;\n"));
ASSERT_EQUALS("", errout.str());
ASSERT_EQUALS(expected,
tok("template <long Num>\n"
"constexpr bool foo<bar<Num>> = true;\n"));
ASSERT_EQUALS("", errout.str());
}
}
void template_member_ptr() { // Ticket #5786
tok("struct A {}; "
"struct B { "
"template <void (A::*)() const> struct BB {}; "
"template <bool BT> static bool foo(int) { return true; } "
"void bar() { bool b = foo<true>(0); }"
"};");
tok("struct A {}; "
"struct B { "
"template <void (A::*)() volatile> struct BB {}; "
"template <bool BT> static bool foo(int) { return true; } "
"void bar() { bool b = foo<true>(0); }"
"};");
tok("struct A {}; "
"struct B { "
"template <void (A::*)() const volatile> struct BB {}; "
"template <bool BT> static bool foo(int) { return true; } "
"void bar() { bool b = foo<true>(0); }"
"};");
tok("struct A {}; "
"struct B { "
"template <void (A::*)() volatile const> struct BB {}; "
"template <bool BT> static bool foo(int) { return true; } "
"void bar() { bool b = foo<true>(0); }"
"};");
}
void template_namespace_1() {
// #6570
const char code[] = "namespace {\n"
" template<class T> void Fred(T value) { }\n"
"}\n"
"Fred<int>(123);";
ASSERT_EQUALS("namespace { "
"void Fred<int> ( int value ) ; "
"} "
"Fred<int> ( 123 ) ; "
"void Fred<int> ( int value ) { }", tok(code));
}
void template_namespace_2() {
// #8283
const char code[] = "namespace X {\n"
" template<class T> struct S { };\n"
"}\n"
"X::S<int> s;";
ASSERT_EQUALS("namespace X { "
"struct S<int> ; "
"} "
"X :: S<int> s ; "
"struct X :: S<int> { } ;", tok(code));
}
void template_namespace_3() {
const char code[] = "namespace test16 {\n"
" template <class T> struct foo {\n"
" static void *bar();\n"
" };\n"
" void *test() { return foo<int>::bar(); }\n"
"}";
ASSERT_EQUALS("namespace test16 {"
" struct foo<int> ;"
" void * test ( ) {"
" return foo<int> :: bar ( ) ;"
" } "
"} "
"struct test16 :: foo<int> {"
" static void * bar ( ) ; "
"} ;", tok(code));
}
void template_namespace_4() {
const char code[] = "namespace foo {\n"
" template<class T> class A { void dostuff() {} };\n"
" struct S : public A<int> {\n"
" void f() {\n"
" A<int>::dostuff();\n"
" }\n"
" };\n"
"}";
ASSERT_EQUALS("namespace foo {"
" class A<int> ;"
" struct S : public A<int> {"
" void f ( ) {"
" A<int> :: dostuff ( ) ;"
" }"
" } ; "
"} "
"class foo :: A<int> { void dostuff ( ) { } } ;", tok(code));
}
void template_namespace_5() {
const char code[] = "template<class C> struct S {};\n"
"namespace X { S<int> s; }";
ASSERT_EQUALS("struct S<int> ; "
"namespace X { S<int> s ; } "
"struct S<int> { } ;", tok(code));
}
void template_namespace_6() {
const char code[] = "namespace NS {\n"
"template <typename T> union C {\n"
" char dummy[sizeof(T)];\n"
" T value;\n"
" C();\n"
" ~C();\n"
" C(const C &);\n"
" C & operator = (const C &);\n"
"};\n"
"}\n"
"NS::C<int> intC;\n"
"template <typename T> NS::C<T>::C() {}\n"
"template <typename T> NS::C<T>::~C() {}\n"
"template <typename T> NS::C<T>::C(const NS::C<T> &) {}\n"
"template <typename T> NS::C<T> & NS::C<T>::operator=(const NS::C<T> &) {}";
ASSERT_EQUALS("namespace NS { "
"union C<int> ; "
"} "
"NS :: C<int> intC ; union NS :: C<int> { "
"char dummy [ sizeof ( int ) ] ; "
"int value ; "
"C<int> ( ) ; "
"~ C<int> ( ) ; "
"C<int> ( const NS :: C<int> & ) ; "
"NS :: C<int> & operator= ( const NS :: C<int> & ) ; "
"} ; "
"NS :: C<int> :: C<int> ( ) { } "
"NS :: C<int> :: ~ C<int> ( ) { } "
"NS :: C<int> :: C<int> ( const NS :: C<int> & ) { } "
"NS :: C<int> & NS :: C<int> :: operator= ( const NS :: C<int> & ) { }", tok(code));
}
void template_namespace_7() { // #8768
const char code[] = "namespace N1 {\n"
"namespace N2 {\n"
" struct C { };\n"
" template <class T> struct CT { };\n"
" C c1;\n"
" CT<int> ct1;\n"
"}\n"
"N2::C c2;\n"
"N2::CT<int> ct2;\n"
"}\n"
"N1::N2::C c3;\n"
"N1::N2::CT<int> ct3;";
ASSERT_EQUALS("namespace N1 { "
"namespace N2 { "
"struct C { } ; "
"struct CT<int> ; "
"C c1 ; "
"CT<int> ct1 ; "
"} "
"N2 :: C c2 ; "
"N2 :: CT<int> ct2 ; "
"} "
"N1 :: N2 :: C c3 ; "
"N1 :: N2 :: CT<int> ct3 ; struct N1 :: N2 :: CT<int> { } ;", tok(code));
}
void template_namespace_8() { // #8768
const char code[] = "namespace NS1 {\n"
"namespace NS2 {\n"
" template <typename T>\n"
" struct Fred {\n"
" Fred();\n"
" Fred(const Fred &);\n"
" Fred & operator = (const Fred &);\n"
" ~Fred();\n"
" };\n"
" template <typename T>\n"
" Fred<T>::Fred() { }\n"
" template <typename T>\n"
" Fred<T>::Fred(const Fred<T> & f) { }\n"
" template <typename T>\n"
" Fred<T> & Fred<T>::operator = (const Fred<T> & f) { }\n"
" template <typename T>\n"
" Fred<T>::~Fred() { }\n"
"}\n"
"}\n"
"NS1::NS2::Fred<int> fred;";
ASSERT_EQUALS("namespace NS1 { "
"namespace NS2 { "
"struct Fred<int> ; "
"} "
"} "
"NS1 :: NS2 :: Fred<int> fred ; struct NS1 :: NS2 :: Fred<int> { "
"Fred<int> ( ) ; "
"Fred<int> ( const NS1 :: NS2 :: Fred<int> & ) ; "
"NS1 :: NS2 :: Fred<int> & operator= ( const NS1 :: NS2 :: Fred<int> & ) ; "
"~ Fred<int> ( ) ; "
"} ; "
"NS1 :: NS2 :: Fred<int> :: Fred<int> ( ) { } "
"NS1 :: NS2 :: Fred<int> :: Fred<int> ( const NS1 :: NS2 :: Fred<int> & f ) { } "
"NS1 :: NS2 :: Fred<int> & NS1 :: NS2 :: Fred<int> :: operator= ( const NS1 :: NS2 :: Fred<int> & f ) { } "
"NS1 :: NS2 :: Fred<int> :: ~ Fred<int> ( ) { }", tok(code));
}
void template_namespace_9() {
const char code[] = "namespace NS {\n"
"template<int type> struct Barney;\n"
"template<> struct Barney<1> { };\n"
"template<int type>\n"
"class Fred {\n"
"public:\n"
" Fred();\n"
"private:\n"
" Barney<type> m_data;\n"
"};\n"
"template class Fred<1>;\n"
"}\n";
ASSERT_EQUALS("namespace NS { "
"struct Barney<1> ; "
"template < int type > struct Barney ; "
"struct Barney<1> { } ; "
"class Fred<1> ; "
"} "
"class NS :: Fred<1> { "
"public: "
"Fred<1> ( ) ; "
"private: "
"Barney<1> m_data ; "
"} ;", tok(code));
}
void template_namespace_10() {
const char code[] = "namespace NS1 {\n"
"namespace NS2 {\n"
"template<class T>\n"
"class Fred {\n"
" T * t;\n"
"public:\n"
" Fred<T>() : t(nullptr) {}\n"
"};\n"
"}\n"
"}\n"
"NS1::NS2::Fred<int> fred;";
ASSERT_EQUALS("namespace NS1 { "
"namespace NS2 { "
"class Fred<int> ; "
"} "
"} "
"NS1 :: NS2 :: Fred<int> fred ; class NS1 :: NS2 :: Fred<int> "
"{ "
"int * t ; "
"public: "
"Fred<int> ( ) : t ( nullptr ) { } "
"} ;", tok(code));
}
void template_namespace_11() {// #7145
const char code[] = "namespace MyNamespace {\n"
"class TestClass {\n"
"public:\n"
" TestClass() {\n"
" SomeFunction();\n"
" TemplatedMethod< int >( 0 );\n"
" }\n"
" void SomeFunction() { }\n"
"private:\n"
" template< typename T > T TemplatedMethod(T);\n"
"};\n"
"template< typename T > T TestClass::TemplatedMethod(T t) { return t; }\n"
"}";
ASSERT_EQUALS("namespace MyNamespace { "
"class TestClass { "
"public: "
"TestClass ( ) { "
"SomeFunction ( ) ; "
"TemplatedMethod<int> ( 0 ) ; "
"} "
"void SomeFunction ( ) { } "
"private: "
"int TemplatedMethod<int> ( int ) ; "
"} ; "
"} int MyNamespace :: TestClass :: TemplatedMethod<int> ( int t ) { return t ; }", tok(code));
}
void template_pointer_type() {
const char code[] = "template<class T> void foo(const T x) {}\n"
"void bar() { foo<int*>(0); }";
ASSERT_EQUALS("void foo<int*> ( int * const x ) ; "
"void bar ( ) { foo<int*> ( 0 ) ; } "
"void foo<int*> ( int * const x ) { }", tok(code));
}
unsigned int templateParameters(const char code[]) {
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.createTokens(istr, "test.cpp");
tokenizer.createLinks();
tokenizer.splitTemplateRightAngleBrackets(false);
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next()) {
if (tok1->str() == "var1")
(const_cast<Token *>(tok1))->varId(1);
}
return TemplateSimplifier::templateParameters(tokenizer.tokens()->next());
}
void templateParameters() {
// Test that the function TemplateSimplifier::templateParameters works
ASSERT_EQUALS(1U, templateParameters("X<struct C> x;"));
ASSERT_EQUALS(1U, templateParameters("X<union C> x;"));
ASSERT_EQUALS(1U, templateParameters("X<const int> x;"));
ASSERT_EQUALS(1U, templateParameters("X<int const *> x;"));
ASSERT_EQUALS(1U, templateParameters("X<const struct C> x;"));
ASSERT_EQUALS(0U, templateParameters("X<len>>x;"));
ASSERT_EQUALS(1U, templateParameters("X<typename> x;"));
ASSERT_EQUALS(0U, templateParameters("X<...> x;"));
ASSERT_EQUALS(0U, templateParameters("X<class T...> x;")); // Invalid syntax
ASSERT_EQUALS(1U, templateParameters("X<class... T> x;"));
ASSERT_EQUALS(0U, templateParameters("X<class, typename T...> x;")); // Invalid syntax
ASSERT_EQUALS(2U, templateParameters("X<class, typename... T> x;"));
ASSERT_EQUALS(2U, templateParameters("X<int(&)(), class> x;"));
ASSERT_EQUALS(3U, templateParameters("X<char, int(*)(), bool> x;"));
ASSERT_EQUALS(1U, templateParameters("X<int...> x;"));
ASSERT_EQUALS(2U, templateParameters("X<class, typename...> x;"));
ASSERT_EQUALS(2U, templateParameters("X<1, T> x;"));
ASSERT_EQUALS(1U, templateParameters("X<i == 0> x;"));
ASSERT_EQUALS(2U, templateParameters("X<int, i>=0> x;"));
ASSERT_EQUALS(3U, templateParameters("X<int, i>=0, i - 2> x;"));
ASSERT_EQUALS(0U, templateParameters("var1<1> x;"));
ASSERT_EQUALS(0U, templateParameters("X<1>2;"));
ASSERT_EQUALS(2U, templateParameters("template<typename...B,typename=SameSize<B...>> x;"));
ASSERT_EQUALS(2U, templateParameters("template<typename...B,typename=SameSize<B...> > x;"));
ASSERT_EQUALS(1U, templateParameters("template<template<typename>...Foo> x;"));
ASSERT_EQUALS(1U, templateParameters("template<template<typename>> x;"));
ASSERT_EQUALS(1U, templateParameters("template<template<template<typename>>> x;"));
ASSERT_EQUALS(1U, templateParameters("template<template<template<template<typename>>>> x;"));
ASSERT_EQUALS(1U, templateParameters("template<template<template<template<template<typename>>>>> x;"));
ASSERT_EQUALS(2U, templateParameters("template<template<typename>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<template<template<typename>>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<template<template<template<typename>>>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<template<template<template<template<typename>>>>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<template<typename>...Foo,template<template<template<typename>>>> x;"));
ASSERT_EQUALS(3U, templateParameters("template<template<typename>...Foo,int,template<template<template<typename>>>> x;"));
ASSERT_EQUALS(4U, templateParameters("template<template<typename>...Foo,int,template<template<template<typename>>>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<typename S, enable_if_t<(is_compile_string<S>::value), int>> void i(S s);"));
ASSERT_EQUALS(2U, templateParameters("template<typename c, b<(c::d), int>> void e();"));
}
// Helper function to unit test TemplateSimplifier::getTemplateNamePosition
int templateNamePositionHelper(const char code[], unsigned offset = 0) {
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.createTokens(istr, "test.cpp");
tokenizer.createLinks();
tokenizer.splitTemplateRightAngleBrackets(false);
const Token *_tok = tokenizer.tokens();
for (unsigned i = 0 ; i < offset ; ++i)
_tok = _tok->next();
return tokenizer.mTemplateSimplifier->getTemplateNamePosition(_tok);
}
void templateNamePosition() {
// Template class
ASSERT_EQUALS(2, templateNamePositionHelper("template<class T> class A {};", 4));
ASSERT_EQUALS(2, templateNamePositionHelper("template<class T> struct A {};", 4));
ASSERT_EQUALS(2, templateNamePositionHelper("template<class T> class A : B {};", 4));
ASSERT_EQUALS(2, templateNamePositionHelper("template<class T> struct A : B {};", 4));
// Template function definitions
ASSERT_EQUALS(2, templateNamePositionHelper("template<class T> unsigned foo() { return 0; }", 4));
ASSERT_EQUALS(3, templateNamePositionHelper("template<class T> unsigned* foo() { return 0; }", 4));
ASSERT_EQUALS(4, templateNamePositionHelper("template<class T> unsigned** foo() { return 0; }", 4));
ASSERT_EQUALS(3, templateNamePositionHelper("template<class T> const unsigned foo() { return 0; }", 4));
ASSERT_EQUALS(4, templateNamePositionHelper("template<class T> const unsigned& foo() { return 0; }", 4));
ASSERT_EQUALS(5, templateNamePositionHelper("template<class T> const unsigned** foo() { return 0; }", 4));
ASSERT_EQUALS(4, templateNamePositionHelper("template<class T> std::string foo() { static str::string str; return str; }", 4));
ASSERT_EQUALS(5, templateNamePositionHelper("template<class T> std::string & foo() { static str::string str; return str; }", 4));
ASSERT_EQUALS(6, templateNamePositionHelper("template<class T> const std::string & foo() { static str::string str; return str; }", 4));
ASSERT_EQUALS(9, templateNamePositionHelper("template<class T> std::map<int, int> foo() { static std::map<int, int> m; return m; }", 4));
ASSERT_EQUALS(10, templateNamePositionHelper("template<class T> std::map<int, int> & foo() { static std::map<int, int> m; return m; }", 4));
ASSERT_EQUALS(11, templateNamePositionHelper("template<class T> const std::map<int, int> & foo() { static std::map<int, int> m; return m; }", 4));
// Class template members
ASSERT_EQUALS(4, templateNamePositionHelper(
"class A { template<class T> unsigned foo(); }; "
"template<class T> unsigned A::foo() { return 0; }", 19));
ASSERT_EQUALS(5, templateNamePositionHelper(
"class A { template<class T> const unsigned foo(); }; "
"template<class T> const unsigned A::foo() { return 0; }", 20));
ASSERT_EQUALS(7, templateNamePositionHelper(
"class A { class B { template<class T> const unsigned foo(); }; } ; "
"template<class T> const unsigned A::B::foo() { return 0; }", 25));
ASSERT_EQUALS(8, templateNamePositionHelper(
"class A { class B { template<class T> const unsigned * foo(); }; } ; "
"template<class T> const unsigned * A::B::foo() { return 0; }", 26));
ASSERT_EQUALS(9, templateNamePositionHelper(
"class A { class B { template<class T> const unsigned ** foo(); }; } ; "
"template<class T> const unsigned ** A::B::foo() { return 0; }", 27));
// Template class member
ASSERT_EQUALS(6, templateNamePositionHelper(
"template<class T> class A { A(); }; "
"template<class T> A<T>::A() {}", 18));
ASSERT_EQUALS(8, templateNamePositionHelper(
"template<class T, class U> class A { A(); }; "
"template<class T, class U> A<T, U>::A() {}", 24));
ASSERT_EQUALS(7, templateNamePositionHelper(
"template<class T> class A { unsigned foo(); }; "
"template<class T> unsigned A<T>::foo() { return 0; }", 19));
ASSERT_EQUALS(9, templateNamePositionHelper(
"template<class T, class U> class A { unsigned foo(); }; "
"template<class T, class U> unsigned A<T, U>::foo() { return 0; }", 25));
ASSERT_EQUALS(12, templateNamePositionHelper(
"template<> unsigned A<int, v<char> >::foo() { return 0; }", 2));
}
// Helper function to unit test TemplateSimplifier::findTemplateDeclarationEnd
bool findTemplateDeclarationEndHelper(const char code[], const char pattern[], unsigned offset = 0) {
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.createTokens(istr, "test.cpp");
tokenizer.createLinks();
tokenizer.splitTemplateRightAngleBrackets(false);
const Token *_tok = tokenizer.tokens();
for (unsigned i = 0 ; i < offset ; ++i)
_tok = _tok->next();
const Token *tok1 = TemplateSimplifier::findTemplateDeclarationEnd(_tok);
return (tok1 == Token::findsimplematch(tokenizer.list.front(), pattern, strlen(pattern)));
}
void findTemplateDeclarationEnd() {
ASSERT(findTemplateDeclarationEndHelper("template <typename T> class Fred { }; int x;", "; int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <typename T> void Fred() { } int x;", "} int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <typename T> int Fred = 0; int x;", "; int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <typename T> constexpr auto func = [](auto x){ return T(x);}; int x;", "; int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <class, class a> auto b() -> decltype(a{}.template b<void(int, int)>); int x;", "; int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <class, class a> auto b() -> decltype(a{}.template b<void(int, int)>){} int x;", "} int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <typename... f, c<h<e<typename f::d...>>::g>> void i(); int x;", "; int x ;"));
ASSERT(findTemplateDeclarationEndHelper("template <typename... f, c<h<e<typename f::d...>>::g>> void i(){} int x;", "} int x ;"));
}
// Helper function to unit test TemplateSimplifier::getTemplateParametersInDeclaration
bool getTemplateParametersInDeclarationHelper(const char code[], const std::vector<std::string> & params) {
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.createTokens(istr, "test.cpp");
tokenizer.createLinks();
tokenizer.splitTemplateRightAngleBrackets(false);
std::vector<const Token *> typeParametersInDeclaration;
TemplateSimplifier::getTemplateParametersInDeclaration(tokenizer.tokens()->tokAt(2), typeParametersInDeclaration);
if (params.size() != typeParametersInDeclaration.size())
return false;
for (size_t i = 0; i < typeParametersInDeclaration.size(); ++i) {
if (typeParametersInDeclaration[i]->str() != params[i])
return false;
}
return true;
}
void getTemplateParametersInDeclaration() {
ASSERT(getTemplateParametersInDeclarationHelper("template<typename T> class Fred {};", std::vector<std::string> {"T"}));
ASSERT(getTemplateParametersInDeclarationHelper("template<typename T=int> class Fred {};", std::vector<std::string> {"T"}));
ASSERT(getTemplateParametersInDeclarationHelper("template<typename T,typename U> class Fred {};", std::vector<std::string> {"T","U"}));
ASSERT(getTemplateParametersInDeclarationHelper("template<typename T,typename U=int> class Fred {};", std::vector<std::string> {"T","U"}));
ASSERT(getTemplateParametersInDeclarationHelper("template<typename T=int,typename U=int> class Fred {};", std::vector<std::string> {"T","U"}));
}
void expandSpecialized1() {
ASSERT_EQUALS("class A<int> { } ;", tok("template<> class A<int> {};"));
ASSERT_EQUALS("class A<int> : public B { } ;", tok("template<> class A<int> : public B {};"));
ASSERT_EQUALS("class A<int> { A<int> ( ) ; ~ A<int> ( ) ; } ;", tok("template<> class A<int> { A(); ~A(); };"));
ASSERT_EQUALS("class A<int> { A<int> ( ) { } ~ A<int> ( ) { } } ;", tok("template<> class A<int> { A() {} ~A() {} };"));
ASSERT_EQUALS("class A<int> { A<int> ( ) ; ~ A<int> ( ) ; } ; A<int> :: A<int> ( ) { } ~ A<int> :: A<int> ( ) { }",
tok("template<> class A<int> { A(); ~A(); }; A<int>::A() { } ~A<int>::A() {}"));
ASSERT_EQUALS("class A<int> { A<int> ( ) ; A<int> ( const A<int> & ) ; A<int> foo ( ) ; } ; A<int> :: A<int> ( ) { } A<int> :: A<int> ( const A<int> & ) { } A<int> A<int> :: foo ( ) { A<int> a ; return a ; }",
tok("template<> class A<int> { A(); A(const A &) ; A foo(); }; A<int>::A() { } A<int>::A(const A &) { } A<int> A<int>::foo() { A a; return a; }"));
}
void expandSpecialized2() {
{
const char code[] = "template <>\n"
"class C<float> {\n"
"public:\n"
" C() { }\n"
" C(const C &) { }\n"
" ~C() { }\n"
" C & operator=(const C &) { return *this; }\n"
"};\n"
"C<float> b;\n";
const char expected[] = "class C<float> { "
"public: "
"C<float> ( ) { } "
"C<float> ( const C<float> & ) { } "
"~ C<float> ( ) { } "
"C<float> & operator= ( const C<float> & ) { return * this ; } "
"} ; "
"C<float> b ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <>\n"
"class C<float> {\n"
"public:\n"
" C() { }\n"
" C(const C &) { }\n"
" ~C() { }\n"
" C & operator=(const C &) { return *this; }\n"
"};";
const char expected[] = "class C<float> { "
"public: "
"C<float> ( ) { } "
"C<float> ( const C<float> & ) { } "
"~ C<float> ( ) { } "
"C<float> & operator= ( const C<float> & ) { return * this ; } "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <>\n"
"class C<float> {\n"
"public:\n"
" C();\n"
" C(const C &);\n"
" ~C();\n"
" C & operator=(const C &);\n"
"};\n"
"C::C() { }\n"
"C::C(const C &) { }\n"
"C::~C() { }\n"
"C & C::operator=(const C &) { return *this; }\n"
"C<float> b;\n";
const char expected[] = "class C<float> { "
"public: "
"C<float> ( ) ; "
"C<float> ( const C<float> & ) ; "
"~ C<float> ( ) ; "
"C<float> & operator= ( const C<float> & ) ; "
"} ; "
"C<float> :: C<float> ( ) { } "
"C<float> :: C<float> ( const C<float> & ) { } "
"C<float> :: ~ C<float> ( ) { } "
"C<float> & C<float> :: operator= ( const C<float> & ) { return * this ; } "
"C<float> b ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <>\n"
"class C<float> {\n"
"public:\n"
" C();\n"
" C(const C &);\n"
" ~C();\n"
" C & operator=(const C &);\n"
"};\n"
"C::C() { }\n"
"C::C(const C &) { }\n"
"C::~C() { }\n"
"C & C::operator=(const C &) { return *this; }";
const char expected[] = "class C<float> { "
"public: "
"C<float> ( ) ; "
"C<float> ( const C<float> & ) ; "
"~ C<float> ( ) ; "
"C<float> & operator= ( const C<float> & ) ; "
"} ; "
"C<float> :: C<float> ( ) { } "
"C<float> :: C<float> ( const C<float> & ) { } "
"C<float> :: ~ C<float> ( ) { } "
"C<float> & C<float> :: operator= ( const C<float> & ) { return * this ; }";
ASSERT_EQUALS(expected, tok(code));
}
}
void expandSpecialized3() { // #8671
const char code[] = "template <> struct OutputU16<unsigned char> final {\n"
" explicit OutputU16(std::basic_ostream<unsigned char> &t) : outputStream_(t) {}\n"
" void operator()(unsigned short) const;\n"
"private:\n"
" std::basic_ostream<unsigned char> &outputStream_;\n"
"};";
const char expected[] = "struct OutputU16<unsignedchar> final { "
"explicit OutputU16<unsignedchar> ( std :: basic_ostream < unsigned char > & t ) : outputStream_ ( t ) { } "
"void operator() ( unsigned short ) const ; "
"private: "
"std :: basic_ostream < unsigned char > & outputStream_ ; "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void expandSpecialized4() {
{
const char code[] = "template<> class C<char> { };\n"
"map<int> m;";
const char expected[] = "class C<char> { } ; "
"map < int > m ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<> class C<char> { };\n"
"map<int> m;\n"
"C<char> c;";
const char expected[] = "class C<char> { } ; "
"map < int > m ; "
"C<char> c ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<typename T> class C { };\n"
"template<> class C<char> { };\n"
"map<int> m;\n";
const char expected[] = "class C<char> ; "
"template < typename T > class C { } ; "
"class C<char> { } ; "
"map < int > m ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<typename T> class C { };\n"
"template<> class C<char> { };\n"
"map<int> m;\n"
"C<int> i;";
const char expected[] = "class C<char> ; "
"class C<int> ; "
"class C<char> { } ; "
"map < int > m ; "
"C<int> i ; "
"class C<int> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<typename T> class C { };\n"
"template<> class C<char> { };\n"
"map<int> m;\n"
"C<int> i;\n"
"C<char> c;";
const char expected[] = "class C<char> ; "
"class C<int> ; "
"class C<char> { } ; "
"map < int > m ; "
"C<int> i ; "
"C<char> c ; "
"class C<int> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
}
void templateAlias1() {
const char code[] = "template<class T, int N> struct Foo {};\n"
"template<class T> using Bar = Foo<T,3>;\n"
"Bar<int> b;\n";
const char expected[] = "struct Foo<int,3> ; "
"Foo<int,3> b ; "
"struct Foo<int,3> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void templateAlias2() {
const char code[] = "namespace A { template<class T, int N> struct Foo {}; }\n"
"template<class T> using Bar = A::Foo<T,3>;\n"
"Bar<int> b;\n";
const char expected[] = "namespace A { struct Foo<int,3> ; } "
"A :: Foo<int,3> b ; "
"struct A :: Foo<int,3> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void templateAlias3() { // #8315
const char code[] = "template <int> struct Tag {};\n"
"template <int ID> using SPtr = std::shared_ptr<void(Tag<ID>)>;\n"
"SPtr<0> s;";
const char expected[] = "struct Tag<0> ; "
"std :: shared_ptr < void ( Tag<0> ) > s ; "
"struct Tag<0> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void templateAlias4() { // #9070
const char code[] = "template <class T>\n"
"using IntrusivePtr = boost::intrusive_ptr<T>;\n"
"template <class T> class Vertex { };\n"
"IntrusivePtr<Vertex<int>> p;";
const char expected[] = "class Vertex<int> ; "
"boost :: intrusive_ptr < Vertex<int> > p ; "
"class Vertex<int> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void templateAlias5() {
const char code[] = "template<typename T> using A = int;\n"
"template<typename T> using B = T;\n"
"A<char> a;\n"
"B<char> b;";
const char expected[] = "int a ; "
"char b ;";
ASSERT_EQUALS(expected, tok(code));
}
bool instantiateMatch(const char code[], const std::size_t numberOfArguments, const char patternAfter[]) {
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp", "");
return TemplateSimplifier::instantiateMatch(tokenizer.tokens(), numberOfArguments, false, patternAfter);
}
void instantiateMatch() {
// Ticket #8175
ASSERT_EQUALS(false,
instantiateMatch("ConvertHelper < From, To > c ;",
2, ":: %name% ("));
ASSERT_EQUALS(true,
instantiateMatch("ConvertHelper < From, To > :: Create ( ) ;",
2, ":: %name% ("));
ASSERT_EQUALS(false,
instantiateMatch("integral_constant < bool, sizeof ( ConvertHelper < From, To > :: Create ( ) ) > ;",
2, ":: %name% ("));
ASSERT_EQUALS(false,
instantiateMatch("integral_constant < bool, sizeof ( ns :: ConvertHelper < From, To > :: Create ( ) ) > ;",
2, ":: %name% ("));
}
void templateParameterWithoutName() {
ASSERT_EQUALS(1U, templateParameters("template<typename = void> struct s;"));
ASSERT_EQUALS(1U, templateParameters("template<template<typename = float> typename T> struct A {\n"
" void f();\n"
" void g();\n"
"};n"));
}
void templateTypeDeduction1() { // #8962
const char code[] = "template<typename T>\n"
"void f(T n) { (void)n; }\n"
"static void func() {\n"
" f(0);\n"
" f(0u);\n"
" f(0U);\n"
" f(0l);\n"
" f(0L);\n"
" f(0ul);\n"
" f(0UL);\n"
" f(0ll);\n"
" f(0LL);\n"
" f(0ull);\n"
" f(0ULL);\n"
" f(0.0);\n"
" f(0.0f);\n"
" f(0.0F);\n"
" f(0.0l);\n"
" f(0.0L);\n"
" f('c');\n"
" f(L'c');\n"
" f(\"string\");\n"
" f(L\"string\");\n"
" f(true);\n"
" f(false);\n"
"}";
const char expected[] = "void f<int> ( int n ) ; "
"void f<unsignedint> ( unsigned int n ) ; "
"void f<long> ( long n ) ; "
"void f<unsignedlong> ( unsigned long n ) ; "
"void f<longlong> ( long long n ) ; "
"void f<unsignedlonglong> ( unsigned long long n ) ; "
"void f<double> ( double n ) ; "
"void f<float> ( float n ) ; "
"void f<longdouble> ( long double n ) ; "
"void f<char> ( char n ) ; "
"void f<wchar_t> ( wchar_t n ) ; "
"void f<constchar*> ( const char * n ) ; "
"void f<constwchar_t*> ( const wchar_t * n ) ; "
"void f<bool> ( bool n ) ; "
"static void func ( ) { "
"f<int> ( 0 ) ; "
"f<unsignedint> ( 0u ) ; "
"f<unsignedint> ( 0U ) ; "
"f<long> ( 0l ) ; "
"f<long> ( 0L ) ; "
"f<unsignedlong> ( 0ul ) ; "
"f<unsignedlong> ( 0UL ) ; "
"f<longlong> ( 0ll ) ; "
"f<longlong> ( 0LL ) ; "
"f<unsignedlonglong> ( 0ull ) ; "
"f<unsignedlonglong> ( 0ULL ) ; "
"f<double> ( 0.0 ) ; "
"f<float> ( 0.0f ) ; "
"f<float> ( 0.0F ) ; "
"f<longdouble> ( 0.0l ) ; "
"f<longdouble> ( 0.0L ) ; "
"f<char> ( 'c' ) ; "
"f<wchar_t> ( L'c' ) ; "
"f<constchar*> ( \"string\" ) ; "
"f<constwchar_t*> ( L\"string\" ) ; "
"f<bool> ( true ) ; "
"f<bool> ( false ) ; "
"} "
"void f<int> ( int n ) { ( void ) n ; } "
"void f<unsignedint> ( unsigned int n ) { ( void ) n ; } "
"void f<long> ( long n ) { ( void ) n ; } "
"void f<unsignedlong> ( unsigned long n ) { ( void ) n ; } "
"void f<longlong> ( long long n ) { ( void ) n ; } "
"void f<unsignedlonglong> ( unsigned long long n ) { ( void ) n ; } "
"void f<double> ( double n ) { ( void ) n ; } "
"void f<float> ( float n ) { ( void ) n ; } "
"void f<longdouble> ( long double n ) { ( void ) n ; } "
"void f<char> ( char n ) { ( void ) n ; } "
"void f<wchar_t> ( wchar_t n ) { ( void ) n ; } "
"void f<constchar*> ( const char * n ) { ( void ) n ; } "
"void f<constwchar_t*> ( const wchar_t * n ) { ( void ) n ; } "
"void f<bool> ( bool n ) { ( void ) n ; }";
ASSERT_EQUALS(expected, tok(code));
ASSERT_EQUALS("", errout.str());
}
void templateTypeDeduction2() {
const char code[] = "template<typename T, typename U>\n"
"void f(T t, U u) { }\n"
"static void func() {\n"
" f(0, 0.0);\n"
" f(0.0, 0);\n"
"}";
const char expected[] = "void f<int,double> ( int t , double u ) ; "
"void f<double,int> ( double t , int u ) ; "
"static void func ( ) { "
"f<int,double> ( 0 , 0.0 ) ; "
"f<double,int> ( 0.0, 0 ) ; "
"void f<int,double> ( int t , double u ) { } "
"void f<double,int> ( double t , int u ) { } ";
const char actual[] = "template < typename T , typename U > "
"void f ( T t , U u ) { } "
"static void func ( ) { "
"f ( 0 , 0.0 ) ; "
"f ( 0.0 , 0 ) ; "
"}";
TODO_ASSERT_EQUALS(expected, actual, tok(code));
}
void templateTypeDeduction3() { // #9975
const char code[] = "struct A {\n"
" int a = 1;\n"
" void f() { g(1); }\n"
" template <typename T> void g(T x) { a = 2; }\n"
"};\n"
"int main() {\n"
" A a;\n"
" a.f();\n"
"}";
const char exp[] = "struct A { "
"int a ; a = 1 ; "
"void f ( ) { g<int> ( 1 ) ; } "
"void g<int> ( int x ) ; "
"} ; "
"int main ( ) { "
"A a ; "
"a . f ( ) ; "
"} void A :: g<int> ( int x ) { a = 2 ; }";
ASSERT_EQUALS(exp, tok(code));
}
void templateTypeDeduction4() { // #9983
{
const char code[] = "int a = 1;\n"
"template <typename T> void f(T x, T y) { a = x + y; }\n"
"void test() { f(0, 0); }";
const char exp[] = "int a ; a = 1 ; "
"void f<int> ( int x , int y ) ; "
"void test ( ) { f<int> ( 0 , 0 ) ; } "
"void f<int> ( int x , int y ) { a = x + y ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "int a = 1;\n"
"template <typename T> void f(T x, double y) { a = x + y; }\n"
"void test() { f(0, 0.0); }";
const char exp[] = "int a ; a = 1 ; "
"void f<int> ( int x , double y ) ; "
"void test ( ) { f<int> ( 0 , 0.0 ) ; } "
"void f<int> ( int x , double y ) { a = x + y ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "int a = 1;\n"
"template <typename T> void f(double x, T y) { a = x + y; }\n"
"void test() { f(0.0, 0); }";
const char exp[] = "int a ; a = 1 ; "
"void f<int> ( double x , int y ) ; "
"void test ( ) { f<int> ( 0.0 , 0 ) ; } "
"void f<int> ( double x , int y ) { a = x + y ; }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "int a = 1;\n"
"template <typename T> void f(double x, T y) { a = x + y; }\n"
"template <typename T> void f(int x, T y) { a = x + y; }\n"
"void test() {\n"
" f(0, 0);\n"
" f(0.0, 0);\n"
" f(0, 0.0);\n"
" f(0.0, 0.0);\n"
"}";
const char exp[] = "int a ; a = 1 ; "
"void f<int> ( int x , int y ) ; "
"void f<int> ( double x , int y ) ; "
"void f<double> ( int x , double y ) ; "
"void f<double> ( double x , double y ) ; "
"void test ( ) { "
"f<int> ( 0 , 0 ) ; "
"f<int> ( 0.0 , 0 ) ; "
"f<double> ( 0 , 0.0 ) ; "
"f<double> ( 0.0 , 0.0 ) ; "
"} "
"void f<int> ( int x , int y ) { a = x + y ; } "
"void f<int> ( double x , int y ) { a = x + y ; } "
"void f<double> ( int x , double y ) { a = x + y ; } "
"void f<double> ( double x , double y ) { a = x + y ; }";
const char act[] = "int a ; a = 1 ; "
"template < typename T > void f ( double x , T y ) { a = x + y ; } "
"void f<int> ( int x , int y ) ; void f<double> ( int x , double y ) ; "
"void test ( ) { "
"f<int> ( 0 , 0 ) ; "
"f<int> ( 0.0 , 0 ) ; "
"f<double> ( 0 , 0.0 ) ; "
"f<double> ( 0.0 , 0.0 ) ; "
"} "
"void f<int> ( int x , int y ) { a = x + y ; } "
"void f<double> ( int x , double y ) { a = x + y ; }";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
{
const char code[] = "int a = 1;\n"
"template <typename T, typename U> void f(T x, U y) { a = x + y; }\n"
"void test() { f(0, 0.0); }";
const char exp[] = "int a ; a = 1 ; "
"void f<int,double> ( int x , double y ) ; "
"void test ( ) { f<int,double> ( 0 , 0.0 ) ; } "
"void f<int,double> ( int x , double y ) { a = x + y ; }";
const char act[] = "int a ; a = 1 ; "
"template < typename T , typename U > void f ( T x , U y ) { a = x + y ; } "
"void test ( ) { f ( 0 , 0.0 ) ; }";
TODO_ASSERT_EQUALS(exp, act, tok(code));
}
}
void templateTypeDeduction5() {
{
const char code[] = "class Fred {\n"
"public:\n"
" template <class T> Fred(T t) { }\n"
"};\n"
"Fred fred1 = Fred(0);\n"
"Fred fred2 = Fred(0.0);\n"
"Fred fred3 = Fred(\"zero\");\n"
"Fred fred4 = Fred(false);";
const char exp[] = "class Fred { "
"public: "
"Fred<int> ( int t ) ; "
"Fred<double> ( double t ) ; "
"Fred<constchar*> ( const char * t ) ; "
"Fred<bool> ( bool t ) ; "
"} ; "
"Fred fred1 ; fred1 = Fred<int> ( 0 ) ; "
"Fred fred2 ; fred2 = Fred<double> ( 0.0 ) ; "
"Fred fred3 ; fred3 = Fred<constchar*> ( \"zero\" ) ; "
"Fred fred4 ; fred4 = Fred<bool> ( false ) ; "
"Fred :: Fred<int> ( int t ) { } "
"Fred :: Fred<double> ( double t ) { } "
"Fred :: Fred<constchar*> ( const char * t ) { } "
"Fred :: Fred<bool> ( bool t ) { }";
ASSERT_EQUALS(exp, tok(code));
}
{
const char code[] = "namespace NS {\n"
"class Fred {\n"
"public:\n"
" template <class T> Fred(T t) { }\n"
"};\n"
"Fred fred1 = Fred(0);\n"
"Fred fred2 = Fred(0.0);\n"
"Fred fred3 = Fred(\"zero\");\n"
"Fred fred4 = Fred(false);\n"
"}\n"
"NS::Fred fred1 = NS::Fred(0);\n"
"NS::Fred fred2 = NS::Fred(0.0);\n"
"NS::Fred fred3 = NS::Fred(\"zero\");\n"
"NS::Fred fred4 = NS::Fred(false);\n";
const char exp[] = "namespace NS { "
"class Fred { "
"public: "
"Fred<int> ( int t ) ; "
"Fred<double> ( double t ) ; "
"Fred<constchar*> ( const char * t ) ; "
"Fred<bool> ( bool t ) ; "
"} ; "
"Fred fred1 ; fred1 = Fred<int> ( 0 ) ; "
"Fred fred2 ; fred2 = Fred<double> ( 0.0 ) ; "
"Fred fred3 ; fred3 = Fred<constchar*> ( \"zero\" ) ; "
"Fred fred4 ; fred4 = Fred<bool> ( false ) ; "
"} "
"NS :: Fred fred1 ; fred1 = NS :: Fred<int> ( 0 ) ; "
"NS :: Fred fred2 ; fred2 = NS :: Fred<double> ( 0.0 ) ; "
"NS :: Fred fred3 ; fred3 = NS :: Fred<constchar*> ( \"zero\" ) ; "
"NS :: Fred fred4 ; fred4 = NS :: Fred<bool> ( false ) ; "
"NS :: Fred :: Fred<int> ( int t ) { } "
"NS :: Fred :: Fred<double> ( double t ) { } "
"NS :: Fred :: Fred<constchar*> ( const char * t ) { } "
"NS :: Fred :: Fred<bool> ( bool t ) { }";
ASSERT_EQUALS(exp, tok(code));
}
}
void simplifyTemplateArgs1() {
ASSERT_EQUALS("foo<2> = 2 ; foo<2> ;", tok("template<int N> foo = N; foo < ( 2 ) >;"));
ASSERT_EQUALS("foo<2> = 2 ; foo<2> ;", tok("template<int N> foo = N; foo < 1 + 1 >;"));
ASSERT_EQUALS("foo<2> = 2 ; foo<2> ;", tok("template<int N> foo = N; foo < ( 1 + 1 ) >;"));
ASSERT_EQUALS("foo<2,2> = 4 ; foo<2,2> ;", tok("template<int N, int M> foo = N * M; foo < ( 2 ), ( 2 ) >;"));
ASSERT_EQUALS("foo<2,2> = 4 ; foo<2,2> ;", tok("template<int N, int M> foo = N * M; foo < 1 + 1, 1 + 1 >;"));
ASSERT_EQUALS("foo<2,2> = 4 ; foo<2,2> ;", tok("template<int N, int M> foo = N * M; foo < ( 1 + 1 ), ( 1 + 1 ) >;"));
ASSERT_EQUALS("foo<true> = true ; foo<true> ;", tok("template<bool N> foo = N; foo < true ? true : false >;"));
ASSERT_EQUALS("foo<false> = false ; foo<false> ;", tok("template<bool N> foo = N; foo < false ? true : false >;"));
ASSERT_EQUALS("foo<true> = true ; foo<true> ;", tok("template<bool N> foo = N; foo < 1 ? true : false >;"));
ASSERT_EQUALS("foo<false> = false ; foo<false> ;", tok("template<bool N> foo = N; foo < 0 ? true : false >;"));
ASSERT_EQUALS("foo<true> = true ; foo<true> ;", tok("template<bool N> foo = N; foo < (1 + 1 ) ? true : false >;"));
ASSERT_EQUALS("foo<false> = false ; foo<false> ;", tok("template<bool N> foo = N; foo < ( 1 - 1) ? true : false >;"));
}
void simplifyTemplateArgs2() {
const char code[] = "template<bool T> struct a_t { static const bool t = T; };\n"
"typedef a_t<sizeof(void*) == sizeof(char)> a;\n"
"void foo() { bool b = a::t; }";
const char expected[] = "struct a_t<false> ; "
"void foo ( ) { bool b ; b = a_t<false> :: t ; } "
"struct a_t<false> { static const bool t = false ; } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template_variadic_1() { // #9144
const char code[] = "template <typename...> struct e {};\n"
"static_assert(sizeof(e<>) == sizeof(e<int,int>), \"\");";
const char expected[] = "struct e<> ; struct e<int,int> ; "
"static_assert ( sizeof ( e<> ) == sizeof ( e<int,int> ) , \"\" ) ; "
"struct e<> { } ; struct e<int,int> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template_variadic_2() { // #4349
const char code[] = "template<typename T, typename... Args>\n"
"void printf(const char *s, T value, Args... args) {}\n"
"\n"
"int main() {\n"
" printf<int, float>(\"\", foo, bar);\n"
"}";
const char expected[] = "void printf<int,float> ( const char * s , int value , float ) ; "
"int main ( ) { printf<int,float> ( \"\" , foo , bar ) ; } "
"void printf<int,float> ( const char * s , int value , float ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void template_variadic_3() { // #6172
const char code[] = "template<int N, int ... M> struct A { "
" static void foo() { "
" int i = N; "
" } "
"}; "
"void bar() { "
" A<0>::foo(); "
"}";
const char expected[] = "struct A<0> ; "
"void bar ( ) { A<0> :: foo ( ) ; } "
"struct A<0> { static void foo ( ) { int i ; i = 0 ; } } ;";
ASSERT_EQUALS(expected, tok(code));
}
void template_variable_1() {
{
const char code[] = "template <int N> const int foo = N*N;\n"
"int x = foo<7>;";
const char expected[] = "const int foo<7> = 49 ; "
"int x ; x = foo<7> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <int> const int foo = 7;\n"
"int x = foo<7>;";
const char expected[] = "const int foo<7> = 7 ; "
"int x ; x = foo<7> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <int N = 7> const int foo = N*N;\n"
"int x = foo<7>;";
const char expected[] = "const int foo<7> = 49 ; "
"int x ; x = foo<7> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template <int N = 7> const int foo = N*N;\n"
"int x = foo<>;";
const char expected[] = "const int foo<7> = 49 ; "
"int x ; x = foo<7> ;";
ASSERT_EQUALS(expected, tok(code));
}
}
void template_variable_2() {
{
const char code[] = "template<class T> constexpr T pi = T(3.1415926535897932385L);\n"
"float x = pi<float>;";
const char expected[] = "const float pi<float> = float ( 3.1415926535897932385L ) ; "
"float x ; x = pi<float> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class> constexpr float pi = float(3.1415926535897932385L);\n"
"float x = pi<float>;";
const char expected[] = "const float pi<float> = float ( 3.1415926535897932385L ) ; "
"float x ; x = pi<float> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class T = float> constexpr T pi = T(3.1415926535897932385L);\n"
"float x = pi<float>;";
const char expected[] = "const float pi<float> = float ( 3.1415926535897932385L ) ; "
"float x ; x = pi<float> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class T = float> constexpr T pi = T(3.1415926535897932385L);\n"
"float x = pi<>;";
const char expected[] = "const float pi<float> = float ( 3.1415926535897932385L ) ; "
"float x ; x = pi<float> ;";
ASSERT_EQUALS(expected, tok(code));
}
}
void template_variable_3() {
{
const char code[] = "template<class T, int N> constexpr T foo = T(N*N);\n"
"float x = foo<float,7>;";
const char expected[] = "const float foo<float,7> = float ( 49 ) ; "
"float x ; x = foo<float,7> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class,int> constexpr float foo = float(7);\n"
"float x = foo<float,7>;";
const char expected[] = "const float foo<float,7> = float ( 7 ) ; "
"float x ; x = foo<float,7> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class T = float, int N = 7> constexpr T foo = T(7);\n"
"double x = foo<double, 14>;";
const char expected[] = "const double foo<double,14> = double ( 7 ) ; "
"double x ; x = foo<double,14> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class T = float, int N = 7> constexpr T foo = T(7);\n"
"float x = foo<>;";
const char expected[] = "const float foo<float,7> = float ( 7 ) ; "
"float x ; x = foo<float,7> ;";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "template<class T = float, int N = 7> constexpr T foo = T(7);\n"
"double x = foo<double>;";
const char expected[] = "const double foo<double,7> = double ( 7 ) ; "
"double x ; x = foo<double,7> ;";
ASSERT_EQUALS(expected, tok(code));
}
}
void template_variable_4() {
const char code[] = "template<typename T> void test() { }\n"
"template<typename T> decltype(test<T>)* foo = &(test<T>);\n"
"void bar() { foo<int>(); }";
const char expected[] = "void test<int> ( ) ; "
"decltype ( test<int> ) * foo<int> = & ( test<int> ) ; "
"void bar ( ) { foo<int> ( ) ; } "
"void test<int> ( ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyDecltype() {
const char code[] = "template<typename T> class type { };\n"
"type<decltype(true)> b;\n"
"type<decltype(0)> i;\n"
"type<decltype(0U)> ui;\n"
"type<decltype(0L)> l;\n"
"type<decltype(0UL)> ul;\n"
"type<decltype(0LL)> ll;\n"
"type<decltype(0ULL)> ull;\n"
"type<decltype(0.0)> d;\n"
"type<decltype(0.0F)> f;\n"
"type<decltype(0.0L)> ld;";
const char expected[] = "class type<bool> ; "
"class type<int> ; "
"class type<unsignedint> ; "
"class type<long> ; "
"class type<unsignedlong> ; "
"class type<longlong> ; "
"class type<unsignedlonglong> ; "
"class type<double> ; "
"class type<float> ; "
"class type<longdouble> ; "
"type<bool> b ; "
"type<int> i ; "
"type<unsignedint> ui ; "
"type<long> l ; "
"type<unsignedlong> ul ; "
"type<longlong> ll ; "
"type<unsignedlonglong> ull ; "
"type<double> d ; "
"type<float> f ; "
"type<longdouble> ld ; "
"class type<bool> { } ; "
"class type<int> { } ; "
"class type<unsignedint> { } ; "
"class type<long> { } ; "
"class type<unsignedlong> { } ; "
"class type<longlong> { } ; "
"class type<unsignedlonglong> { } ; "
"class type<double> { } ; "
"class type<float> { } ; "
"class type<longdouble> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void castInExpansion() {
const char code[] = "template <int N> class C { };\n"
"template <typename TC> class Base {};\n"
"template <typename TC> class Derived : private Base<TC> {};\n"
"typedef Derived<C<static_cast<int>(-1)> > C_;\n"
"class C3 { C_ c; };";
const char expected[] = "template < int N > class C { } ; "
"class Base<C<static_cast<int>-1>> ; "
"class Derived<C<static_cast<int>-1>> ; "
"class C3 { Derived<C<static_cast<int>-1>> c ; } ; "
"class Derived<C<static_cast<int>-1>> : private Base<C<static_cast<int>-1>> { } ; "
"class Base<C<static_cast<int>-1>> { } ;";
ASSERT_EQUALS(expected, tok(code));
}
void fold_expression_1() {
const char code[] = "template<typename... Args> bool all(Args... args) { return (... && args); }\n"
"x=all(true,false,true,true);";
const char expected[] = "template < typename ... Args > bool all ( Args ... args ) { return ( __cppcheck_fold_&&__ ( args ... ) ) ; } x = all ( true , false , true , true ) ;";
ASSERT_EQUALS(expected, tok(code));
}
void fold_expression_2() {
const char code[] = "template<typename... Args> bool all(Args... args) { return (args && ...); }\n"
"x=all(true,false,true,true);";
const char expected[] = "template < typename ... Args > bool all ( Args ... args ) { return ( __cppcheck_fold_&&__ ( args ... ) ) ; } x = all ( true , false , true , true ) ;";
ASSERT_EQUALS(expected, tok(code));
}
void fold_expression_3() {
const char code[] = "template<typename... Args> int foo(Args... args) { return (12 * ... * args); }\n"
"x=foo(1,2);";
const char expected[] = "template < typename ... Args > int foo ( Args ... args ) { return ( __cppcheck_fold_*__ ( args ... ) ) ; } x = foo ( 1 , 2 ) ;";
ASSERT_EQUALS(expected, tok(code));
}
void fold_expression_4() {
const char code[] = "template<typename... Args> int foo(Args... args) { return (args * ... * 123); }\n"
"x=foo(1,2);";
const char expected[] = "template < typename ... Args > int foo ( Args ... args ) { return ( __cppcheck_fold_*__ ( args ... ) ) ; } x = foo ( 1 , 2 ) ;";
ASSERT_EQUALS(expected, tok(code));
}
void concepts1() {
const char code[] = "template <my_concept T> void f(T v) {}\n"
"f<int>(123);";
const char expected[] = "void f<int> ( int v ) ; f<int> ( 123 ) ; void f<int> ( int v ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void requires1() {
const char code[] = "template <class T> requires my_concept<T> void f(T v) {}\n"
"f<int>(123);";
const char expected[] = "void f<int> ( int v ) ; f<int> ( 123 ) ; void f<int> ( int v ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void requires2() {
const char code[] = "template<class T> requires (sizeof(T) > 1 && get_value<T>()) void f(T v){}\n"
"f<int>(123);";
const char expected[] = "void f<int> ( int v ) ; f<int> ( 123 ) ; void f<int> ( int v ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void requires3() {
const char code[] = "template<class T> requires c1<T> && c2<T> void f(T v){}\n"
"f<int>(123);";
const char expected[] = "void f<int> ( int v ) ; f<int> ( 123 ) ; void f<int> ( int v ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void requires4() {
const char code[] = "template <class T> void f(T v) requires my_concept<T> {}\n"
"f<int>(123);";
const char expected[] = "void f<int> ( int v ) ; f<int> ( 123 ) ; void f<int> ( int v ) { }";
ASSERT_EQUALS(expected, tok(code));
}
void requires5() {
const char code[] = "template <class T>\n"
" requires requires (T x) { x + x; }\n"
" T add(T a, T b) { return a + b; }\n"
"add<int>(123,456);";
const char expected[] = "int add<int> ( int a , int b ) ; add<int> ( 123 , 456 ) ; int add<int> ( int a , int b ) { return a + b ; }";
ASSERT_EQUALS(expected, tok(code));
}
};
REGISTER_TEST(TestSimplifyTemplate)
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