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Partial fix for #9191 (simplifyTypedef: Problem when namespace is used) (#1952) 

* Partial fix for #9191 (simplifyTypedef: Problem when namespace is used)

This fixes simplifyUsing which has the same problem as simplifyTypedef.

simplifyUsing was designed to support using namespace but it was never
implemented. The changes are minor to add it.

simplifyTypedef requires much more work to support using namespace.

* reduce scope of variable

* make idx const
This commit is contained in:
IOBYTE 2019-07-06 14:22:13 -04:00 committed by Daniel Marjamäki
parent ae86536128
commit 9569fa1374
2 changed files with 62 additions and 4 deletions
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36
lib/tokenize.cpp
View File

@ -1830,7 +1830,6 @@ namespace {
tok2 = tok2->tokAt(-2);
}
// todo: check using namespace
std::string fullScope1 = scope1;
if (!scope1.empty() && !qualification.empty())
fullScope1 += " :: ";
@ -1839,6 +1838,19 @@ namespace {
if (scope == fullScope1)
return true;
// check using namespace
if (!scopeList1.back().usingNamespaces.empty()) {
if (qualification.empty()) {
if (scopeList1.back().usingNamespaces.find(scope) != scopeList1.back().usingNamespaces.end())
return true;
} else {
for (auto ns : scopeList1.back().usingNamespaces) {
if (scope == ns + " :: " + qualification)
return true;
}
}
}
std::string newScope1 = scope1;
// scopes didn't match so try higher scopes
@ -2024,9 +2036,25 @@ bool Tokenizer::simplifyUsing()
continue;
// remove the qualification
while (tok1->strAt(-1) == "::" && tok1->strAt(-2) == scope) {
tok1->deletePrevious();
tok1->deletePrevious();
std::string fullScope = scope;
while (tok1->strAt(-1) == "::") {
if (fullScope == tok1->strAt(-2)) {
tok1->deletePrevious();
tok1->deletePrevious();
break;
} else {
const std::string::size_type idx = fullScope.rfind(" ");
if (idx == std::string::npos)
break;
if (tok1->strAt(-2) == fullScope.substr(idx + 1)) {
tok1->deletePrevious();
tok1->deletePrevious();
fullScope.resize(idx - 3);
} else
break;
}
}
Token * arrayStart = nullptr;

30
test/testsimplifyusing.cpp
View File

@ -64,6 +64,7 @@ private:
TEST_CASE(simplifyUsing8976);
TEST_CASE(simplifyUsing9040);
TEST_CASE(simplifyUsing9042);
TEST_CASE(simplifyUsing9191);
}
std::string tok(const char code[], bool simplify = true, Settings::PlatformType type = Settings::Native, bool debugwarnings = true) {
@ -494,6 +495,35 @@ private:
ASSERT_EQUALS(exp, tok(code, true, Settings::Win64));
}
void simplifyUsing9191() {
const char code[] = "namespace NS1 {\n"
" namespace NS2 {\n"
" using _LONG = signed long long;\n"
" }\n"
"}\n"
"void f1() {\n"
" using namespace NS1;\n"
" NS2::_LONG A;\n"
"}\n"
"void f2() {\n"
" using namespace NS1::NS2;\n"
" _LONG A;\n"
"}";
const char exp[] = "namespace NS1 { "
"} "
"void f1 ( ) { "
"using namespace NS1 ; "
"signed long long A ; "
"} "
"void f2 ( ) { "
"using namespace NS1 :: NS2 ; "
"signed long long A ; "
"}";
ASSERT_EQUALS(exp, tok(code, false));
}
};
REGISTER_TEST(TestSimplifyUsing)