/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2015 Daniel Marjamäki and Cppcheck team. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "testsuite.h" #include "tokenize.h" #include "token.h" #include "settings.h" #include "check.h" class TestGarbage : public TestFixture { public: TestGarbage() : TestFixture("TestGarbage") { } private: Settings settings; void run() { settings.debugwarnings = true; settings.addEnabled("style"); settings.addEnabled("warning"); settings.addEnabled("portability"); settings.addEnabled("performance"); settings.addEnabled("information"); settings.inconclusive = true; settings.experimental = true; // don't freak out when the syntax is wrong TEST_CASE(wrong_syntax1); TEST_CASE(wrong_syntax2); TEST_CASE(wrong_syntax3); // #3544 TEST_CASE(wrong_syntax4); // #3618 TEST_CASE(wrong_syntax_if_macro); // #2518 - if MACRO() TEST_CASE(wrong_syntax_class_x_y); // #3585 - class x y { }; TEST_CASE(syntax_case_default); TEST_CASE(garbageCode1); TEST_CASE(garbageCode2); // #4300 TEST_CASE(garbageCode3); // #4869 TEST_CASE(garbageCode4); // #4887 TEST_CASE(garbageCode5); // #5168 TEST_CASE(garbageCode6); // #5214 TEST_CASE(garbageCode7); TEST_CASE(garbageCode8); // #5511 TEST_CASE(garbageCode9); // #5604 TEST_CASE(garbageCode10); // #6127 TEST_CASE(garbageCode11); TEST_CASE(garbageCode12); TEST_CASE(garbageCode13); // #2607 TEST_CASE(garbageCode14); // #5595 TEST_CASE(garbageCode15); // #5203 TEST_CASE(garbageCode16); TEST_CASE(garbageCode17); TEST_CASE(garbageCode18); TEST_CASE(garbageCode19); TEST_CASE(garbageCode20); TEST_CASE(garbageCode21); TEST_CASE(garbageCode22); TEST_CASE(garbageCode23); TEST_CASE(garbageCode24); // #6361 TEST_CASE(garbageCode25); TEST_CASE(garbageCode26); TEST_CASE(garbageCode27); TEST_CASE(garbageCode28); TEST_CASE(garbageCode29); TEST_CASE(garbageCode30); // #5867 TEST_CASE(garbageCode31); // #6539 TEST_CASE(garbageCode32); // #6135 TEST_CASE(garbageCode33); // #6613 TEST_CASE(garbageCode34); // #6626 TEST_CASE(garbageCode35); // #2599, #2604 TEST_CASE(garbageCode36); // #6334 TEST_CASE(garbageCode37); // #5166 TEST_CASE(garbageCode38); // #6666 TEST_CASE(garbageCode39); // #6686 TEST_CASE(garbageCode40); // #6620 TEST_CASE(garbageCode41); // #6685 TEST_CASE(garbageCode42); // #5760 TEST_CASE(garbageCode43); // #6703 TEST_CASE(garbageCode44); // #6704 TEST_CASE(garbageCode45); // #6608 TEST_CASE(garbageCode46); // #6705 TEST_CASE(garbageCode47); // #6706 TEST_CASE(garbageCode48); // #6712 TEST_CASE(garbageCode49); // #6715 TEST_CASE(garbageCode50); // #6718 TEST_CASE(garbageCode51); // #6719 TEST_CASE(garbageCode52); // #6720 TEST_CASE(garbageCode53); // #6721 TEST_CASE(garbageCode54); // #6722 TEST_CASE(garbageCode55); // #6724 TEST_CASE(garbageCode56); // #6713 TEST_CASE(garbageCode57); // #6733 TEST_CASE(garbageCode58); // #6732 TEST_CASE(garbageCode59); // #6735 TEST_CASE(garbageCode60); // #6736 TEST_CASE(garbageCode61); TEST_CASE(garbageCode62); TEST_CASE(garbageCode63); TEST_CASE(garbageCode64); TEST_CASE(garbageCode65); TEST_CASE(garbageCode66); TEST_CASE(garbageCode67); TEST_CASE(garbageCode68); TEST_CASE(garbageCode69); TEST_CASE(garbageCode70); TEST_CASE(garbageCode71); TEST_CASE(garbageCode72); TEST_CASE(garbageCode73); TEST_CASE(garbageCode74); TEST_CASE(garbageCode75); TEST_CASE(garbageCode76); TEST_CASE(garbageCode77); TEST_CASE(garbageCode78); TEST_CASE(garbageCode79); TEST_CASE(garbageCode80); TEST_CASE(garbageCode81); TEST_CASE(garbageCode82); TEST_CASE(garbageCode83); TEST_CASE(garbageCode84); TEST_CASE(garbageCode85); TEST_CASE(garbageCode86); TEST_CASE(garbageCode87); TEST_CASE(garbageCode88); TEST_CASE(garbageCode89); TEST_CASE(garbageCode90); TEST_CASE(garbageCode91); TEST_CASE(garbageCode92); TEST_CASE(garbageCode93); TEST_CASE(garbageCode94); TEST_CASE(garbageCode95); TEST_CASE(garbageCode96); TEST_CASE(garbageCode97); TEST_CASE(garbageCode98); TEST_CASE(garbageCode99); TEST_CASE(garbageCode100); TEST_CASE(garbageCode101); // #6835 TEST_CASE(garbageCode102); // #6846 TEST_CASE(garbageCode103); // #6824 TEST_CASE(garbageCode104); // #6847 TEST_CASE(garbageCode105); // #6859 TEST_CASE(garbageCode106); TEST_CASE(garbageCode107); TEST_CASE(garbageCode108); TEST_CASE(garbageCode109); TEST_CASE(garbageCode110); TEST_CASE(garbageCode111); TEST_CASE(garbageCode112); TEST_CASE(garbageCode113); TEST_CASE(garbageCode114); TEST_CASE(garbageCode115); // #5506 TEST_CASE(garbageCode116); // #5356 TEST_CASE(garbageCode117); // #6121 TEST_CASE(garbageCode118); // #5600 TEST_CASE(garbageCode119); // #5598 TEST_CASE(garbageCode120); // #4927 TEST_CASE(garbageCode121); // #2585 TEST_CASE(garbageCode122); // #6303 TEST_CASE(garbageCode123); TEST_CASE(garbageCode124); // 6948 TEST_CASE(garbageCode125); // 6782, 6834 TEST_CASE(garbageCode126); // #6997 TEST_CASE(garbageCode127); // #6667 TEST_CASE(garbageCode128); // #7018 TEST_CASE(garbageCode129); // #7020 TEST_CASE(garbageCode130); // #7021 TEST_CASE(garbageCode131); // #7023 TEST_CASE(garbageCode132); // #7022 TEST_CASE(garbageCode133); TEST_CASE(garbageCode134); TEST_CASE(garbageCode135); // #4994 TEST_CASE(garbageCode136); // #7033 TEST_CASE(garbageCode137); // #7034 TEST_CASE(garbageCode138); // #6660 TEST_CASE(garbageCode139); // #6659 TEST_CASE(garbageCode140); // #7035 TEST_CASE(garbageCode141); // #7043 TEST_CASE(garbageCode142); // #7050 TEST_CASE(garbageCode143); // #6922 TEST_CASE(garbageCode144); // #6865 TEST_CASE(garbageCode145); // #7074 TEST_CASE(garbageValueFlow); TEST_CASE(garbageSymbolDatabase); TEST_CASE(garbageAST); TEST_CASE(templateSimplifierCrashes); } std::string checkCode(const char code[], bool cpp = true) { // double the tests - run each example as C as well as C++ const char* filename = cpp ? "test.cpp" : "test.c"; const char* alternatefilename = cpp ? "test.c" : "test.cpp"; // run alternate check first. It should only ensure stability try { checkCodeInternal(code, alternatefilename); } catch (InternalError&) { } return checkCodeInternal(code, filename); } std::string checkCodeInternal(const char code[], const char* filename) { errout.str(""); // tokenize.. Tokenizer tokenizer(&settings, this); std::istringstream istr(code); tokenizer.tokenize(istr, filename); // call all "runChecks" in all registered Check classes for (std::list::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) { (*it)->runChecks(&tokenizer, &settings, this); } tokenizer.simplifyTokenList2(); // call all "runSimplifiedChecks" in all registered Check classes for (std::list::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) { (*it)->runSimplifiedChecks(&tokenizer, &settings, this); } return tokenizer.tokens()->stringifyList(false, false, false, true, false, 0, 0); } void wrong_syntax1() { { const char code[] ="TR(kvmpio, PROTO(int rw), ARGS(rw), TP_(aa->rw;))"; ASSERT_EQUALS("TR ( kvmpio , PROTO ( int rw ) , ARGS ( rw ) , TP_ ( aa . rw ; ) )", checkCode(code)); ASSERT_EQUALS("", errout.str()); } { const char code[] ="struct A { template struct { }; };"; ASSERT_THROW(checkCode(code), InternalError); } { const char code[] ="enum ABC { A,B, typedef enum { C } };"; ASSERT_THROW(checkCode(code), InternalError); } } void wrong_syntax2() { // #3504 const char code[] = "void f() {\n" " X x;\n" " Y y;\n" "}\n" "\n" "void G( template class (j) ) {}"; // don't segfault.. checkCode(code); } void wrong_syntax3() { // #3544 const char code[] = "X #define\n" "{\n" " (\n" " for( #endif typedef typedef cb[N] )\n" " ca[N]; = cb[i]\n" " )\n" "}"; Tokenizer tokenizer(&settings, this); std::istringstream istr(code); try { tokenizer.tokenize(istr, "test.cpp"); assertThrowFail(__FILE__, __LINE__); } catch (InternalError& e) { ASSERT_EQUALS("Analysis failed. If the code is valid then please report this failure.", e.errorMessage); ASSERT_EQUALS("cppcheckError", e.id); ASSERT_EQUALS(5, e.token->linenr()); } } void wrong_syntax4() { // #3618 const char code[] = "typedef void (x) (int); return x&"; ASSERT_THROW(checkCode(code), InternalError); } void wrong_syntax_if_macro() { // #2518 #4171 ASSERT_THROW(checkCode("void f() { if MACRO(); }"), InternalError); // #4668 - note there is no semicolon after MACRO() ASSERT_THROW(checkCode("void f() { if (x) MACRO() {} }"), InternalError); // #4810 - note there is no semicolon after MACRO() ASSERT_THROW(checkCode("void f() { if (x) MACRO() else ; }"), InternalError); } void wrong_syntax_class_x_y() { // #3585 const char code[] = "class x y { };"; { errout.str(""); Tokenizer tokenizer(&settings, this); std::istringstream istr(code); tokenizer.tokenize(istr, "test.c"); tokenizer.simplifyTokenList2(); ASSERT_EQUALS("", errout.str()); } { errout.str(""); Tokenizer tokenizer(&settings, this); std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList2(); ASSERT_EQUALS("[test.cpp:1]: (information) The code 'class x y {' is not handled. You can use -I or --include to add handling of this code.\n", errout.str()); } } void syntax_case_default() { ASSERT_THROW(checkCode("void f() {switch (n) { case: z(); break;}}"), InternalError); ASSERT_THROW(checkCode("void f() {switch (n) { case;: z(); break;}}"), InternalError); ASSERT_THROW(checkCode("void f() {switch (n) { case {}: z(); break;}}"), InternalError); ASSERT_THROW(checkCode("void f() {switch (n) { case 0?{1}:{2} : z(); break;}}"), InternalError); ASSERT_THROW(checkCode("void f() {switch (n) { case 0?1;:{2} : z(); break;}}"), InternalError); checkCode("void f() {switch (n) { case 0?(1?{3:4}):2 : z(); break;}}"); //ticket #4234 ASSERT_THROW(checkCode("( ) { switch break ; { switch ( x ) { case } y break ; : } }"), InternalError); //ticket #4267 ASSERT_THROW(checkCode("f ( ) { switch break; { switch ( x ) { case } case break; -6: ( ) ; } }"), InternalError); } void garbageCode1() { checkCode("struct x foo_t; foo_t typedef y;"); } void garbageCode2() { //#4300 (segmentation fault) ASSERT_THROW(checkCode("enum { D = 1 struct { } ; } s.b = D;"), InternalError); } void garbageCode3() { //#4849 (segmentation fault in Tokenizer::simplifyStructDecl (invalid code)) ASSERT_THROW(checkCode("enum { D = 2 s ; struct y { x } ; } { s.a = C ; s.b = D ; }"), InternalError); } void garbageCode4() { // #4887 ASSERT_THROW(checkCode("void f ( ) { = a ; if ( 1 ) if = ( 0 ) ; }"), InternalError); } void garbageCode5() { // #5168 checkCode("( asm : ; void : );"); } void garbageCode6() { // #5214 ASSERT_THROW(checkCode("int b = ( 0 ? ? ) 1 : 0 ;"), InternalError); ASSERT_THROW(checkCode("int a = int b = ( 0 ? ? ) 1 : 0 ;"), InternalError); } void garbageCode7() { checkCode("1 (int j) { return return (c) * sizeof } y[1];"); checkCode("foo(Args&&...) fn void = { } auto template { { e = T::error }; };\n" "ScopedEnum1 se1; { enum class E : T { e = 0 = e ScopedEnum2 struct UnscopedEnum3 { T{ e = 4 }; };\n" "arr[(int) E::e]; }; UnscopedEnum3 e2 = f()\n" "{ { e = e1; T::error } int test1 ue2; g() { enum class E { e = T::error }; return E::e; } int test2 = } \n" "namespace UnscopedEnum { template struct UnscopedEnum1 { E{ e = T::error }; }; UnscopedEnum1 { enum E : { e = 0 }; };\n" "UnscopedEnum2 ue3; template struct UnscopedEnum3 { enum { }; }; int arr[E::e]; };\n" "UnscopedEnum3 namespace template int f() { enum E { e }; T::error }; return (int) E(); } int test1 int g() { enum E { e = E };\n" "E::e; } int test2 = g(); }"), InternalError); } void garbageCode9() { ASSERT_THROW(checkCode("enum { e = { } } ( ) { { enum { } } } { e } "), InternalError); } void garbageCode10() { // #6127 checkCode("for( rl=reslist; rl!=NULL; rl=rl->next )"); } void garbageCode11() { // do not crash checkCode("( ) &"); } void garbageCode12() { // do not crash checkCode("{ g; S (void) { struct } { } int &g; }"); } void garbageCode13() { checkCode("struct C {} {} x"); } void garbageCode14() { checkCode("static f() { int i; int source[1] = { 1 }; for (i = 0; i < 4; i++) (u, if (y u.x e)) }"); // Garbage code } void garbageCode15() { // Ticket #5203 checkCode("int f ( int* r ) { { int s[2] ; f ( s ) ; if ( ) } }"); } void garbageCode16() { checkCode("{ } A() { delete }"); // #6080 } void garbageCode17() { ASSERT_THROW(checkCode("void h(int l) {\n" " while\n" // Don't crash (#3870) "}"), InternalError); } void garbageCode18() { ASSERT_THROW(checkCode("switch(){case}"), InternalError); } void garbageCode19() { // ticket #3512 - Don't crash on garbage code ASSERT_EQUALS("p = const", checkCode("1 *p = const")); } void garbageCode20() { // #3953 (valgrind errors on garbage code) ASSERT_EQUALS("void f ( 0 * ) ;", checkCode("void f ( 0 * ) ;")); } void garbageCode21() { // Ticket #3486 - Don't crash garbage code checkCode("void f()\n" "{\n" " (\n" " x;\n" " int a, a2, a2*x; if () ;\n" " )\n" "}"); } void garbageCode22() { // Ticket #3480 - Don't crash garbage code ASSERT_THROW(checkCode("int f()\n" "{\n" " return if\n" "}"), InternalError); } void garbageCode23() { //garbage code : don't crash (#3481) checkCode("{\n" " if (1) = x\n" " else abort s[2]\n" "}"); ASSERT_EQUALS("", errout.str()); } void garbageCode24() { // don't crash (example from #6361) checkCode("float buffer[64];\n" "main (void)\n" "{\n" " char *cptr;\n" " cptr = (char *)buffer;\n" " cptr += (-(long int) buffer & (16 * sizeof (float) - 1));\n" "}\n"); } void garbageCode25() { // Ticket #2386 - Segmentation fault upon strange syntax ASSERT_THROW(checkCode("void f() {\n" " switch ( x ) {\n" " case struct Tree : break;\n" " }\n" "}"), InternalError); } void garbageCode26() { // See tickets #2518 #2555 #4171 ASSERT_THROW(checkCode("void f() {\n" " switch MAKEWORD(1)\n" " {\n" " case 0:\n" " return;\n" " }\n" "}"), InternalError); } void garbageCode27() { ASSERT_THROW(checkCode("int f() {\n" " return if\n" "}"), InternalError); } void garbageCode28() { // 5702 checkCode("struct R1 {\n" " int a;\n" " R1 () : a { }\n" "};\n"); } void garbageCode29() { // ticket #2601 segmentation fault checkCode("|| #if #define <="); } void garbageCode30() { // simply survive - a syntax error would be even better (#5867) checkCode("void f(int x) {\n" " x = 42\n" "}"); } void garbageCode31() { ASSERT_THROW(checkCode("typedef struct{}x[([],)]typedef e y;(y,x 0){}"), InternalError); } void garbageCode32() { // #6135 checkCode(" ( * const ( size_t ) ; foo )"); } void garbageCode33() { // #6613 ASSERT_THROW(checkCode("main(()B{});"), InternalError); checkCode("f::y:y : , { = } ; class... >\n" "struct Y { }\n" "class Types { }\n" "( X < int > \"uses template\" ) ( < ( ) \"uses ; \n" "( int int ::primary \"uses template\" ) int double \"uses )\n" "::primary , \"uses template\" ;\n"); } void garbageCode37() { // #5166 segmentation fault (invalid code) in lib/checkother.cpp:329 ( void * f { } void b ( ) { * f } ) checkCode("void * f { } void b ( ) { * f }"); } void garbageCode38() { // Ticket #6666 checkCode("{ f2 { } } void f3 () { delete[] } { }"); } void garbageCode39() { // #6686 checkCode("({ (); strcat(strcat(() ()) ()) })"); } void garbageCode40() { // #6620 checkCode("{ ( ) () { virtual } ; { } E } A { : { } ( ) } * const ( ) const { }"); // test doesn't seem to work on any platform: ASSERT_THROW(checkCode("{ ( ) () { virtual } ; { } E } A { : { } ( ) } * const ( ) const { }", "test.c"), InternalError); } void garbageCode41() { // #6685 checkCode(" { } { return } *malloc(__SIZE_TYPE__ size); *memcpy(void n); static * const () { memcpy (*slot, 3); } { (); } { }"); } void garbageCode42() { // #5760 checkCode("{ } * const ( ) { }"); } void garbageCode43() { // #6703 checkCode("int { }; struct A a = { }"); } void garbageCode44() { // #6704 ASSERT_THROW(checkCode("{ { }; }; { class A : }; public typedef b;"), InternalError); } void garbageCode45() { // #6608 checkCode("struct true template < > { = } > struct Types \"s\" ; static_assert < int > ;"); } void garbageCode46() { // #6705 checkCode(" { bar(char *x); void foo (int ...) { struct } va_list ap; va_start(ap, size); va_arg(ap, (d)); }"); } void garbageCode47() { // #6706 checkCode(" { { }; }; * new private: B: B;"); } void garbageCode48() { // #6712 checkCode(" { d\n\" ) d ...\n\" } int main ( ) { ( ) catch ( A a ) { { } catch ( ) \"\" } }"); } void garbageCode49() { // #6715 checkCode(" ( ( ) ) { } ( { ( __builtin_va_arg_pack ( ) ) ; } ) { ( int { ( ) ( ( ) ) } ( ) { } ( ) ) += ( ) }"); } void garbageCode50() { // #6718 checkCode(" enum struct"); } void garbageCode51() { // #6719 checkCode(" (const \"C\" ...); struct base { int f2; base (int arg1, int arg2); }; global_base(0x55, 0xff); { ((global_base.f1 0x55) (global_base.f2 0xff)) { } } base::base(int arg1, int arg2) { f2 = }"); } void garbageCode52() { // #6720 checkCode("a \"b\" not_eq \"c\""); } void garbageCode53() { // #6721 checkCode("{ { } }; void foo (struct int i) { x->b[i] = = }"); } void garbageCode54() { // #6722 ASSERT_THROW(checkCode("{ typedef long ((pf) p) (); }"), InternalError); } void garbageCode55() { // #6724 checkCode("() __attribute__((constructor)); { } { }"); } void garbageCode56() { // #6713 ASSERT_THROW(checkCode("void foo() { int a = 0; int b = ???; }"), InternalError); } void garbageCode57() { // #6731 ASSERT_THROW(checkCode("{ } if () try { } catch (...) B::~B { }"), InternalError); } void garbageCode58() { // #6732, #6762 ASSERT_THROW(checkCode("{ }> {= ~A()^{} }P { }"), InternalError); ASSERT_THROW(checkCode("{= ~A()^{} }P { } { }> is"), InternalError); } void garbageCode59() { // #6735 ASSERT_THROW(checkCode("{ { } }; char font8x8[256][8]"), InternalError); } void garbageCode60() { // #6736 ASSERT_THROW(checkCode("{ } { } typedef int int_array[]; int_array &right ="), InternalError); } void garbageCode61() { // #6737 ASSERT_THROW(checkCode("{ (const U&) }; { }; { }; struct U : virtual public"), InternalError); } void garbageCode62() { // #6738 checkCode("(int arg2) { } { } typedef void (func_type) (int, int); typedef func_type&"); } void garbageCode63() { // #6739 ASSERT_THROW(checkCode("{ } { } typedef int u_array[]; typedef u_array &u_array_ref; (u_array_ref arg) { } u_array_ref u_array_ref_gbl_obj0"), InternalError); } void garbageCode64() { // #6740 ASSERT_THROW(checkCode("{ } foo(void (*bar)(void))"), InternalError); } void garbageCode65() { // #6741 ASSERT_THROW(checkCode("{ } { } typedef int u_array[]; typedef u_array &u_array_ref; (u_array_ref arg) { } u_array_ref"), InternalError); } void garbageCode66() { // #6742 ASSERT_THROW(checkCode("{ { } }; { { } }; { }; class bar : public virtual"), InternalError); } void garbageCode67() { // #6744 checkCode("&g[0]; { (g[0] 0) } =", false); } void garbageCode68() { // #6745 checkCode("(int a[3]); typedef void (*fp) (void); fp"); } void garbageCode69() { // #6746 ASSERT_THROW(checkCode("{ (make_mess, aux); } typedef void F(void); aux(void (*x)()) { } (void (*y)()) { } F*"), InternalError); } void garbageCode70() { // #6747 ASSERT_THROW(checkCode("{ } __attribute__((constructor)) void"), InternalError); } void garbageCode71() { // #6748 ASSERT_THROW(checkCode("( ) { } typedef void noattr_t ( ) ; noattr_t __attribute__ ( )"), InternalError); } void garbageCode72() { // #6749 ASSERT_THROW(checkCode("{ } { } typedef void voidfn(void); = } } unsigned *d = (b b--) --*d"); } void garbageCode78() { // #6756 checkCode("( ) { [ ] } ( ) { } const_array_of_int ( ) { } typedef int A [ ] [ ] ; A a = { { } { } }"); } void garbageCode79() { // #6757 ASSERT_THROW(checkCode("{ } { } typedef void ( func_type ) ( ) ; func_type & ( )"), InternalError); } void garbageCode80() { // #6759 ASSERT_THROW(checkCode("( ) { ; ( ) ; ( * ) [ ] ; [ ] = ( ( ) ( ) h ) ! ( ( ) ) } { ; } { } head heads [ ] = ; = & heads [ 2 ]"), InternalError); } void garbageCode81() { // #6760 ASSERT_THROW(checkCode("{ } [ ] { ( ) } { } typedef void ( *fptr1 ) ( ) const"), InternalError); } void garbageCode82() { // #6761 ASSERT_THROW(checkCode("p(\"Hello \" 14) _yn(const size_t) typedef bool pfunk (*pfunk)(const size_t)"), InternalError); } void garbageCode83() { // #6771 ASSERT_THROW(checkCode("namespace A { class } class A { friend C ; } { } ;"), InternalError); } void garbageCode84() { // #6780 ASSERT_THROW(checkCode("int main ( [ ] ) { " " [ ] ; int i = 0 ; do { } ; } ( [ ] ) { }"), InternalError); // do not crash } void garbageCode85() { // #6784 ASSERT_THROW(checkCode("{ } { } typedef void ( *VoidFunc() ) ( ) ; VoidFunc"), InternalError); // do not crash } void garbageCode86() { // #6785 ASSERT_THROW(checkCode("{ } typedef char ( *( X ) ( void) , char ) ;"), InternalError); // do not crash } void garbageCode87() { // #6788 checkCode("((X (128))) (int a) { v[ = {} (x 42) a] += }"); // do not crash } void garbageCode88() { // #6786 ASSERT_THROW(checkCode("( ) { ( 0 ) { ( ) } } g ( ) { i( ( false ?) ( ) : 1 ) ; } ;"), InternalError); // do not crash } void garbageCode89() { // #6772 ASSERT_THROW(checkCode("{ { ( ) } P ( ) ^ { } { } { } ( ) } 0"), InternalError); // do not crash } void garbageCode90() { // #6790 ASSERT_THROW(checkCode("{ } { } typedef int u_array [[ ] ; typedef u_array & u_array_ref] ( ) { } u_array_ref_gbl_obj0"), InternalError); // do not crash } void garbageCode91() { // #6791 checkCode("typedef __attribute__((vector_size (16))) { return[ (v2df){ } ;] }"); // do not crash } void garbageCode92() { // #6792 ASSERT_THROW(checkCode("template < typename _Tp ( ( ) ; _Tp ) , decltype > { } { ( ) ( ) }"), InternalError); // do not crash } void garbageCode93() { // #6800 checkCode(" namespace A { } class A{ { }} class A : T ;", false); // do not crash } void garbageCode94() { // #6803 //checkCode("typedef long __m256i __attribute__ ( ( ( ) ) )[ ; ( ) { } typedef __m256i __attribute__ ( ( ( ) ) ) < ] ( ) { ; }"); ASSERT_THROW(checkCode("typedef long __m256i __attribute__ ( ( ( ) ) )[ ; ( ) { } typedef __m256i __attribute__ ( ( ( ) ) ) < ] ( ) { ; }"), InternalError); } void garbageCode95() { // #6804 checkCode("{ } x x ; { } h h [ ] ( ) ( ) { struct x ( x ) ; int __attribute__ ( ) f ( ) { h - > first = & x ; struct x * n = h - > first ; ( ) n > } }"); // do not crash } void garbageCode96() { // #6807 ASSERT_THROW(checkCode("typedef J J[ ; typedef ( ) ( ) { ; } typedef J J ;] ( ) ( J cx ) { n } ;"), InternalError); } void garbageCode97() { // #6808 ASSERT_THROW(checkCode("namespace A {> } class A{ { }} class A : T< ;"), InternalError); } void garbageCode98() { // #6838 ASSERT_THROW(checkCode("for (cocon To::ta@Taaaaaforconst oken aaaaaaaaaaaa5Dl()\n" "const unsiged in;\n" "fon *tok = f);.s(Token i = d-)L;"), InternalError); } void garbageCode99() { // #6726 ASSERT_THROW(checkCode("{ xs :: i(:) ! ! x/5 ! !\n" "i, :: a :: b integer, } foo2(x) :: j(:) \n" "b type(*), d(:), a x :: end d(..), foo end\n" "foo4 b d(..), a a x type(*), b foo2 b"), InternalError); } void garbageCode100() { // #6840 checkCode("( ) { ( i< ) } int foo ( ) { int i ; ( for ( i => 1 ) ; ) }"); } void garbageCode101() { // #6835 // Reported case checkCode("template < class , =( , int) X = 1 > struct A { } ( ) { = } [ { } ] ( ) { A < void > 0 }"); // Reduced case checkCode("template < class =( , ) X = 1> struct A {}; A a;"); } void garbageCode102() { // #6846 checkCode("struct Object { ( ) ; Object & operator= ( Object ) { ( ) { } if ( this != & b ) } }"); } void garbageCode103() { // #6824 ASSERT_THROW(checkCode("a f(r) int * r; { { int s[2]; [f(s); if () ] } }"), InternalError); } void garbageCode104() { // #6847 ASSERT_THROW(checkCode("template < Types > struct S {> ( S < ) S >} { ( ) { } } ( ) { return S < void > ( ) } { ( )> >} { ( ) { } } ( ) { ( ) }"), InternalError); } void garbageCode105() { // #6859 checkCode("void foo (int i) { int a , for (a 1; a( < 4; a++) if (a) (b b++) (b);) n++; }"); } void garbageCode106() { // #6880 ASSERT_THROW(checkCode("[ ] typedef typedef b_array b_array_ref [ ; ] ( ) b_array_ref b_array_ref_gbl_obj0 { ; { b_array_ref b_array_ref_gbl_obj0 } }"), InternalError); } void garbageCode107() { // #6881 ASSERT_THROW(checkCode("enum { val = 1{ }; { const} }; { } Bar { const int A = val const } ;"), InternalError); } void garbageCode108() { // #6895 "segmentation fault (invalid code) in CheckCondition::isOppositeCond" checkCode("A( ) { } bool f( ) { ( ) F; ( ) { ( == ) if ( !=< || ( !A( ) && r[2] ) ) ( !A( ) ) ( ) } }"); } void garbageCode109() { // #6900 "segmentation fault (invalid code) in CheckStl::runSimplifiedChecks" checkCode("( *const<> (( ) ) { } ( *const ( ) ( ) ) { } ( * const<> ( size_t )) ) { } ( * const ( ) ( ) ) { }"); } void garbageCode110() { // #6902 "segmentation fault (invalid code) in CheckStl::string_c_str" checkCode("( *const<> ( size_t ) ; foo ) { } * ( *const ( size_t ) ( ) ;> foo )< { }"); } void garbageCode111() { // #6907 ASSERT_THROW(checkCode("enum { FOO = 1( ,) } {{ FOO }} ;"), InternalError); } void garbageCode112() { // #6909 ASSERT_THROW(checkCode("enum { FOO = ( , ) } {{ }}>> enum { FOO< = ( ) } { { } } ;"), InternalError); } void garbageCode113() { // #6858 checkCode("*(*const<> (size_t); foo) { } *(*const (size_t)() ; foo) { }"); } void garbageCode114() { // #2118 ASSERT_THROW(checkCode("Q_GLOBAL_STATIC_WITH_INITIALIZER(Qt4NodeStaticData, qt4NodeStaticData, {\n" " for (unsigned i = 0 ; i < count; i++) {\n" " }\n" "});"), InternalError); } void garbageCode115() { // #5506 checkCode("A template < int { int = -1 ; } template < int N > struct B { int [ A < N > :: zero ] ; } ; B < 0 > b ;"); } void garbageCode116() { // #5356 checkCode("struct template struct B { }; B < 0 > b;"); } void garbageCode117() { // #6121 ASSERT_THROW(checkCode("enum E { f = {} };\n" "int a = f;"), InternalError); } void garbageCode118() { // #5600 - missing include causes invalid enum ASSERT_THROW(checkCode("enum {\n" " NUM_OPCODES = \n" // #include "definition" "};\n" "struct bytecode {};\n" "jv jq_next() { opcode = ((opcode) +NUM_OPCODES);\n" "}"), InternalError); } void garbageCode119() { // #5598 checkCode("{ { void foo() { struct }; template struct S { Used x; void bar() } auto f = [this] { }; } };"); } void garbageCode120() { // #4927 checkCode("int main() {\n" " return 0\n" "}"); ASSERT_EQUALS("", errout.str()); } void garbageCode121() { // #2585 ASSERT_THROW(checkCode("abcdef?""?<" "123456?""?>" "+?""?="), InternalError); } void garbageCode122() { // #6303 checkCode("void foo() {\n" "char *a = malloc(10);\n" "a[0]\n" "}"); } void garbageCode123() { checkCode("namespace pr16989 {\n" " class C {\n" " C tpl_mem(T *) { return }\n" " };\n" "}"); } void garbageCode124() { checkCode("+---+"); } void garbageCode125() { ASSERT_THROW(checkCode("{ T struct B : T valueA_AA ; } T : [ T > ( ) { B } template < T > struct A < > : ] { ( ) { return valueA_AC struct { : } } b A < int > AC ( ) a_aa.M ; ( ) ( ) }"), InternalError); ASSERT_THROW(checkCode("template < Types > struct S :{ ( S < ) S >} { ( ) { } } ( ) { return S < void > ( ) }"), InternalError); } void garbageCode126() { ASSERT_THROW(checkCode("{ } float __ieee754_sinhf ( float x ) { float t , , do { gf_u ( jx ) { } ( 0 ) return ; ( ) { } t } ( 0x42b17180 ) { } }"), InternalError); } void garbageCode127() { // #6667 checkCode("extern \"C\" int printf(const char* fmt, ...);\n" "class A {\n" "public:\n" " int Var;\n" " A(int arg) { Var = arg; }\n" " ~A() { printf(\"A d'tor\\n\"); }\n" "};\n" " const A& foo(const A& arg) { return arg; }\n" " foo(A(12)).Var\n"); } void garbageCode128() { ASSERT_THROW(checkCode("enum { FOO = ( , ) } {{ }} enum {{ FOO << = } ( ) } {{ }} ;"), InternalError); } void garbageCode129() { ASSERT_THROW(checkCode("operator - ( { } typedef typename x ; ( ) ) { ( { { ( ( ) ) } ( { } ) } ) }"), InternalError); } void garbageCode130() { ASSERT_THROW(checkCode("enum { FOO = ( , ){ } { { } } { { FOO} = } ( ) } { { } } enumL\" ( enumL\" { { FOO } ( ) } { { } } ;"), InternalError); } void garbageCode131() { checkCode("( void ) { ( ) } ( ) / { ( ) }"); // actually the invalid code should trigger an syntax error... } void garbageCode132() { // #7022 checkCode("() () { } { () () ({}) i() } void i(void(*ptr) ()) { ptr(!) () }"); } void garbageCode133() { ASSERT_THROW(checkCode("void f() {{}"), InternalError); ASSERT_THROW(checkCode("void f()) {}"), InternalError); ASSERT_THROW(checkCode("void f()\n" "{\n" " foo(;\n" "}\n"), InternalError); ASSERT_THROW(checkCode("void f()\n" "{\n" " for(;;){ foo();\n" "}\n"), InternalError); ASSERT_THROW(checkCode("void f()\n" "{\n" " a[10;\n" "}\n"), InternalError); { errout.str(""); const char code[] = "{\n" " a(\n" "}\n" "{\n" " b());\n" "}\n"; Tokenizer tokenizer(&settings, this); std::istringstream istr(code); try { tokenizer.tokenize(istr, "test.cpp"); assertThrowFail(__FILE__, __LINE__); } catch (InternalError& e) { ASSERT_EQUALS("Invalid number of character '(' when these macros are defined: ''.", e.errorMessage); ASSERT_EQUALS("syntaxError", e.id); ASSERT_EQUALS(2, e.token->linenr()); } } } void garbageCode134() { // Ticket #5605, #5759, #5762, #5774, #5823, #6059 checkCode("template<>\n"); checkCode("foo() template struct tuple Args> tuple { } main() { foo(); }"); checkCode("( ) template < T1 = typename = unused> struct Args { } main ( ) { foo < int > ( ) ; }"); checkCode("() template < T = typename = x > struct a {} { f () }"); checkCode("template < T = typename = > struct a { f }"); checkCode("struct S { int i, j; }; " "template struct X {}; " "X<&S::i, int> x = X<&S::i, int>(); " "X<&S::j, int> y = X<&S::j, int>(); "); checkCode("template struct A {}; " "template <> struct A {}; " "void foo(const void* f = 0) {}"); checkCode("template struct A { " " static const int s = 0; " "}; " "A a;"); checkCode("template class A {}; " "template > class B {}; " "template > class C { " " C() : _a(0), _b(0) {} " " int _a, _b; " "};"); checkCode("template struct A { " " static int i; " "}; " "void f() { A::i = 0; }"); } void garbageCode135() { // #4994 checkCode("long f () {\n" " return a >> extern\n" "}\n" "long a = 1 ;\n" "long b = 2 ;"); } void garbageCode136() { // #7033 checkCode("{ } () { void f() { node_t * n; for (; -n) {} } } { }"); } void garbageCode137() { // #7034 checkCode("\" \" typedef signed char f; \" \"; void a() { f * s = () &[]; (; ) (; ) }"); } void garbageCode138() { // #6660 checkCode("CS_PLUGIN_NAMESPACE_BEGIN(csparser)\n" "{\n" " struct foo\n" " {\n" " union\n" " {};\n" " } halo;\n" "}\n" "CS_PLUGIN_NAMESPACE_END(csparser)"); } void garbageCode139() { // #6659 heap user after free: kernel: sm750_accel.c ASSERT_THROW(checkCode("void hw_copyarea() {\n" " de_ctrl = (nDirection == RIGHT_TO_LEFT) ?\n" " ( (0 & ~(((1 << (1 - (0 ? DE_CONTROL_DIRECTION))) - 1) << (0 ? DE_CONTROL_DIRECTION))) )\n" " : 42;\n" "}"), InternalError); } void garbageCode140() { // #7035 ASSERT_THROW(checkCode("int foo(int align) { int off(= 0 % align; return off) ? \\ align - off : 0; \\ }"), InternalError); } void garbageCode141() { // #7043 ASSERT_THROW(checkCode("enum { X = << { X } } enum { X = X } = X ;"), InternalError); } void garbageCode142() { // #7050 checkCode("{ } ( ) { void mapGraphs ( ) { node_t * n ; for (!oid n ) { } } } { }"); } void garbageCode143() { // #6922 ASSERT_THROW(checkCode("void neoProgramShadowRegs() {\n" " int i;\n" " Bool noProgramShadowRegs;\n" " if (noProgramShadowRegs) {\n" " } else {\n" " switch (nPtr->NeoPanelWidth) {\n" " case 1280:\n" " VGAwCR(0x64,0x?? );\n" " }\n" " }\n" "}"), InternalError); } void garbageCode144() { // #6865 //ASSERT_THROW(checkCode("template < typename > struct A { } ; template < typename > struct A < INVALID > : A < int[ > { }] ;"), InternalError); } void garbageCode145() { // #7074 checkCode("++4++ + + E++++++++++ + ch " "tp.oed5[.]"); } void garbageValueFlow() { // #6089 const char* code = "{} int foo(struct, x1, struct x2, x3, int, x5, x6, x7)\n" "{\n" " (foo(s, , 2, , , 5, , 7)) abort()\n" "}\n"; checkCode(code); // #6106 code = " f { int i ; b2 , [ ] ( for ( i = 0 ; ; ) ) }"; checkCode(code); // 6122 survive garbage code code = "; { int i ; for ( i = 0 ; = 123 ; ) - ; }"; checkCode(code); code = "void f1() { for (int n = 0 n < 10 n++); }"; checkCode(code); } void garbageSymbolDatabase() { checkCode("void f( { u = 1 ; } ) { }"); checkCode("{ }; void namespace A::f; { g() { int } }"); ASSERT_THROW(checkCode("class Foo {}; class Bar : public Foo"), InternalError); checkCode("YY_DECL { switch (yy_act) {\n" " case 65: YY_BREAK\n" " case YY_STATE_EOF(block):\n" " yyterminate(); \n" "} }"); // #5663 } void garbageAST() { checkCode("--"); // don't crash checkCode("N 1024 float a[N], b[N + 3], c[N]; void N; (void) i;\n" "int #define for (i = avx_test i < c[i]; i++)\n" "b[i + 3] = a[i] * {}"); // Don't hang (#5787) checkCode("START_SECTION([EXTRA](bool isValid(const String &filename)))"); // Don't crash (#5991) } void templateSimplifierCrashes() { checkCode( // #5950 "struct A { \n" " template operator T*();\n" "}; \n" "\n" "template <> A::operator char*(){ return 0; } // specialization\n" "\n" "int main() { \n" " A a;\n" " int *ip = a.operator int*();\n" "}\n" "\n" "namespace PR5742 {\n" " template struct A { };\n" " struct S {\n" " template operator T();\n" " } s;\n" " void f() {\n" " s.operator A >();\n" " }\n" "}\n"); checkCode( // #6034 "template class T, typename... Args>\n" "struct foo > {\n" " const bool value = true;\n" "};\n" "\n" "template\n" "struct int_\n" "{};\n" "\n" "int main() {\n" " foo >::value;\n" "}\n" ); checkCode(" > template < . > struct Y < T > { = } ;\n"); // #6108 checkCode( // #6117 "template struct something_like_tuple\n" "{};\n" "template struct is_last {\n" " static const bool value = false;\n" "};\n" "template class Tuple, typename ... Head>\n" "struct is_last>\n" "{\n" " static const bool value = true;\n" "};\n" "\n" "#define SA(X) static_assert (X, #X)\n" "\n" "typedef something_like_tuple something_like_tuple_t;\n" "SA ((is_last::value == false));\n" "SA ((is_last::value == false));\n" ); checkCode( // #6225 "template \n" "void templ_fun_with_ty_pack() {}\n" " \n" "namespace PR20047 {\n" " template \n" " struct A {};\n" " using AliasA = A;\n" "}\n" ); // #3449 ASSERT_EQUALS("template < typename T > struct A ;\n" "struct B { template < typename T > struct C } ;\n" "{ } ;", checkCode("template struct A;\n" "struct B { template struct C };\n" "{};")); // #4169 checkCode("volatile true , test < test < #ifdef __ppc__ true ,"); } }; REGISTER_TEST(TestGarbage)