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Better support for funciton pointers in checkuninitvar.cpp (#6404)

This commit is contained in:
PKEuS 2015-01-30 19:16:25 +01:00
parent 6b20172a36
commit 0d151b45b5
2 changed files with 27 additions and 0 deletions
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4
lib/checkuninitvar.cpp
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@ -1072,6 +1072,10 @@ void CheckUninitVar::checkScope(const Scope* scope)
checkRhs(i->nameToken(), *i, NO_ALLOC, "");
continue;
}
if (Token::Match(i->nameToken(), "%var% ) (") && Token::simpleMatch(i->nameToken()->linkAt(2), ") =")) { // Function pointer is initialized, but Rhs might be not
checkRhs(i->nameToken()->linkAt(2)->next(), *i, NO_ALLOC, "");
continue;
}
bool stdtype = _tokenizer->isC();
const Token* tok = i->typeStartToken();

23
test/testuninitvar.cpp
View File

@ -71,6 +71,7 @@ private:
TEST_CASE(uninitvar8); // ticket #6230
TEST_CASE(uninitvar9); // ticket #6424
TEST_CASE(uninitvar_unconditionalTry);
TEST_CASE(uninitvar_funcptr); // #6404
TEST_CASE(syntax_error); // Ticket #5073
@ -2825,6 +2826,28 @@ private:
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str());
}
void uninitvar_funcptr() {
checkUninitVar2("void getLibraryContainer() {\n"
" Reference< XStorageBasedLibraryContainer >(*Factory)(const Reference< XComponentContext >&, const Reference< XStorageBasedDocument >&)\n"
" = &DocumentDialogLibraryContainer::create;\n"
" rxContainer.set((*Factory)(m_aContext, xDocument));\n"
"}");
ASSERT_EQUALS("", errout.str());
checkUninitVar2("void getLibraryContainer() {\n"
" void* x;\n"
" Reference< XStorageBasedLibraryContainer >(*Factory)(const Reference< XComponentContext >&, const Reference< XStorageBasedDocument >&)\n"
" = x;\n"
" rxContainer.set((*Factory)(m_aContext, xDocument));\n"
"}", "test.cpp", false);
ASSERT_EQUALS("[test.cpp:5]: (error) Uninitialized variable: x\n", errout.str());
checkUninitVar2("void getLibraryContainer() {\n"
" Reference< XStorageBasedLibraryContainer >(*Factory)(const Reference< XComponentContext >&, const Reference< XStorageBasedDocument >&);\n"
" rxContainer.set((*Factory)(m_aContext, xDocument));\n"
"}");
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: Factory\n", errout.str());
}
// Handling of function calls
void uninitvar2_func() {
// non-pointer variable