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cppcheck/test/testgarbage.cpp

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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#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(garbageCode146); // #7081
TEST_CASE(garbageCode147); // #7082
TEST_CASE(garbageCode148); // #7090
TEST_CASE(garbageCode149); // #7085
TEST_CASE(garbageCode150); // #7089
TEST_CASE(garbageCode151); // #4175
TEST_CASE(garbageCode152); // travis after 9c7271a5
TEST_CASE(garbageCode153);
TEST_CASE(garbageCode154); // #7112
TEST_CASE(garbageCode155); // #7118
TEST_CASE(garbageCode156); // #7120
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<Check *>::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<Check *>::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<int> 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<int> x;\n"
" Y<int, int, int, int, int, char> y;\n"
"}\n"
"\n"
"void G( template <typename T> 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<typename... bar(Args&&...)");
}
void garbageCode8() { // #5604
ASSERT_THROW(checkCode("{ enum struct : };"), InternalError);
ASSERT_THROW(checkCode("int ScopedEnum{ template<typename T> { { e = T::error }; };\n"
"ScopedEnum1<int> se1; { enum class E : T { e = 0 = e ScopedEnum2<void*> struct UnscopedEnum3 { T{ e = 4 }; };\n"
"arr[(int) E::e]; }; UnscopedEnum3<int> 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<typename T> struct UnscopedEnum1 { E{ e = T::error }; }; UnscopedEnum1<int> { enum E : { e = 0 }; };\n"
"UnscopedEnum2<void*> ue3; template<typename T> struct UnscopedEnum3 { enum { }; }; int arr[E::e]; };\n"
"UnscopedEnum3<int> namespace template<typename T> int f() { enum E { e }; T::error }; return (int) E(); } int test1 int g() { enum E { e = E };\n"
"E::e; } int test2 = g<int>(); }"), 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 : <x::");
checkCode("\xe2u.");
}
// Bug #6626 crash: Token::astOperand2() const ( do while )
void garbageCode34() {
const char code[] = "void foo(void) {\n"
" do\n"
" while (0);\n"
"}";
ASSERT_THROW(checkCode(code), InternalError);
}
void garbageCode35() {
// ticket #2599 segmentation fault
checkCode("sizeof");
// ticket #2604 segmentation fault
checkCode("sizeof <= A");
}
void garbageCode36() { // #6334
checkCode("{ } < class template < > , { = } ; 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<void> 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); <voidfn&"), InternalError);
}
void garbageCode73() { // #6750
ASSERT_THROW(checkCode("typedef int IRT[2]; IRT&"), InternalError);
}
void garbageCode74() { // #6751
checkCode("_lenraw(const char* digits) { } typedef decltype(sizeof(0)) { } operator");
}
void garbageCode75() { // #6753
checkCode("{ { void foo() { struct }; { }; } }; struct S { } f =", false);
}
void garbageCode76() { // #6754
checkCode(" ( ) ( ) { ( ) [ ] } TEST ( ) { ( _broadcast_f32x4 ) ( ) ( ) ( ) ( ) if ( ) ( ) ; } E mask = ( ) [ ] ( ) res1.x =");
}
void garbageCode77() { // #6755
checkCode("void foo (int **p) { { { };>= } } 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
checkCode("{ { ( ) } P ( ) ^ { } { } { } ( ) } 0"); // 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<void> 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<int { = }; > 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 <typename> 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<typename T1 = T2 = typename = unused, T5 = = unused> struct tuple Args> tuple<Args...> { } main() { foo<int,int,int,int,int,int>(); }");
checkCode("( ) template < T1 = typename = unused> struct Args { } main ( ) { foo < int > ( ) ; }");
checkCode("() template < T = typename = x > struct a {} { f <int> () }");
checkCode("template < T = typename = > struct a { f <int> }");
checkCode("struct S { int i, j; }; "
"template<int S::*p, typename U> struct X {}; "
"X<&S::i, int> x = X<&S::i, int>(); "
"X<&S::j, int> y = X<&S::j, int>(); ");
checkCode("template <typename T> struct A {}; "
"template <> struct A<void> {}; "
"void foo(const void* f = 0) {}");
checkCode("template<typename... T> struct A { "
" static const int s = 0; "
"}; "
"A<int> a;");
checkCode("template<class T, class U> class A {}; "
"template<class T = A<int, int> > class B {}; "
"template<class T = B<int> > class C { "
" C() : _a(0), _b(0) {} "
" int _a, _b; "
"};");
checkCode("template<class... T> struct A { "
" static int i; "
"}; "
"void f() { A<int>::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 garbageCode146() { // #7081
ASSERT_THROW(checkCode("void foo() {\n"
" ? std::cout << pow((, 1) << std::endl;\n"
" double <ip = NUO ip) << std::end;\n"
"}"), InternalError);
}
void garbageCode147() { // #7082
checkCode("free(3();\n"
"$ vWrongAllocp1) test1<int, -!>() ^ {\n"
" int *p<ynew int[n];\n"
" delete[]p;\n"
" int *p1 = (int*)malloc(n*sizeof(int));\n"
" free(p1);\n"
"}\n"
"void est2() {\n"
" for (int ui = 0; ui < 1z; ui++)\n"
" ;\n"
"}");
checkCode("; void f ^ { return } int main ( ) { }"); // #4941
}
void garbageCode148() { // #7090
ASSERT_THROW(checkCode("void f_1() {\n"
" typedef S0 b[][1][1] != 0\n"
"};\n"
"b[K][0] S0 b[][1][1] != 4{ 0 };\n"
"b[0][0]"), InternalError);
}
void garbageCode149() { // #7085
checkCode("int main() {\n"
" for (j = 0; j < 1; j)\n"
" j6;\n"
"}");
}
void garbageCode150() { // #7089
ASSERT_THROW(checkCode("class A {\n"
" pl vFoo() {\n"
" A::\n"
" };\n"
" A::\n"
"}\n"), InternalError);
}
void garbageCode151() { // #4175
checkCode(">{ x while (y) z int = }");
checkCode("void f() {\n" // #4911 - bad simplification => don't crash
" int a;\n"
" do { a=do_something() } while (a);\n"
"}");
}
void garbageCode152() { // happened in travis, originaly from llvm clang code
const char* code = "template <bool foo = std::value &&>\n"
"static std::string foo(char *Bla) {\n"
" while (Bla[1] && Bla[1] != ',') }\n";
checkCode(code);
}
void garbageCode153() {
ASSERT_THROW(checkCode("enum { X = << { X } } { X X } enum { X = << { ( X ) } } { } X */"), InternalError);
}
void garbageCode154() {
checkCode("\"abc\"[];");
}
void garbageCode155() { // #7118
checkCode("&p(!{}e x){({(0?:?){({})}()})}");
}
void garbageCode156() { // #7120
checkCode("struct {}a; d f() { c ? : } {}a.p");
}
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 <class T> 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 <class T> struct A { };\n"
" struct S {\n"
" template <class T> operator T();\n"
" } s;\n"
" void f() {\n"
" s.operator A<A<int> >();\n"
" }\n"
"}\n");
checkCode( // #6034
"template<template<typename...> class T, typename... Args>\n"
"struct foo<T<Args...> > {\n"
" const bool value = true;\n"
"};\n"
"\n"
"template<int I>\n"
"struct int_\n"
"{};\n"
"\n"
"int main() {\n"
" foo<int_<0> >::value;\n"
"}\n"
);
checkCode(" > template < . > struct Y < T > { = } ;\n"); // #6108
checkCode( // #6117
"template <typename ...> struct something_like_tuple\n"
"{};\n"
"template <typename, typename> struct is_last {\n"
" static const bool value = false;\n"
"};\n"
"template <typename T, template <typename ...> class Tuple, typename ... Head>\n"
"struct is_last<T, Tuple<Head ..., T>>\n"
"{\n"
" static const bool value = true;\n"
"};\n"
"\n"
"#define SA(X) static_assert (X, #X)\n"
"\n"
"typedef something_like_tuple<char, int, float> something_like_tuple_t;\n"
"SA ((is_last<float, something_like_tuple_t>::value == false));\n"
"SA ((is_last<int, something_like_tuple_t>::value == false));\n"
);
checkCode( // #6225
"template <typename...>\n"
"void templ_fun_with_ty_pack() {}\n"
" \n"
"namespace PR20047 {\n"
" template <typename T>\n"
" struct A {};\n"
" using AliasA = A<T>;\n"
"}\n"
);
// #3449
ASSERT_EQUALS("template < typename T > struct A ;\n"
"struct B { template < typename T > struct C } ;\n"
"{ } ;",
checkCode("template<typename T> struct A;\n"
"struct B { template<typename T> struct C };\n"
"{};"));
// #4169
checkCode("volatile true , test < test < #ifdef __ppc__ true ,");
}
};
REGISTER_TEST(TestGarbage)
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