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//===-- CPlusPlusLanguageTest.cpp -------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "Plugins/Language/CPlusPlus/CPlusPlusLanguage.h"
using namespace lldb_private;
TEST(CPlusPlusLanguage, MethodNameParsing) {
struct TestCase {
std::string input;
std::string context, basename, arguments, qualifiers, scope_qualified_name;
};
TestCase test_cases[] = {
{"main(int, char *[]) ", "", "main", "(int, char *[])", "", "main"},
{"foo::bar(baz) const", "foo", "bar", "(baz)", "const", "foo::bar"},
{"foo::~bar(baz)", "foo", "~bar", "(baz)", "", "foo::~bar"},
{"a::b::c::d(e,f)", "a::b::c", "d", "(e,f)", "", "a::b::c::d"},
{"void f(int)", "", "f", "(int)", "", "f"},
// Operators
{"std::basic_ostream<char, std::char_traits<char> >& "
"std::operator<<<std::char_traits<char> >"
"(std::basic_ostream<char, std::char_traits<char> >&, char const*)",
"std", "operator<<<std::char_traits<char> >",
"(std::basic_ostream<char, std::char_traits<char> >&, char const*)", "",
"std::operator<<<std::char_traits<char> >"},
{"operator delete[](void*, clang::ASTContext const&, unsigned long)", "",
"operator delete[]", "(void*, clang::ASTContext const&, unsigned long)",
"", "operator delete[]"},
{"llvm::Optional<clang::PostInitializer>::operator bool() const",
"llvm::Optional<clang::PostInitializer>", "operator bool", "()", "const",
"llvm::Optional<clang::PostInitializer>::operator bool"},
{"(anonymous namespace)::FactManager::operator[](unsigned short)",
"(anonymous namespace)::FactManager", "operator[]", "(unsigned short)",
"", "(anonymous namespace)::FactManager::operator[]"},
{"const int& std::map<int, pair<short, int>>::operator[](short) const",
"std::map<int, pair<short, int>>", "operator[]", "(short)", "const",
"std::map<int, pair<short, int>>::operator[]"},
{"CompareInsn::operator()(llvm::StringRef, InsnMatchEntry const&)",
"CompareInsn", "operator()", "(llvm::StringRef, InsnMatchEntry const&)",
"", "CompareInsn::operator()"},
{"llvm::Optional<llvm::MCFixupKind>::operator*() const &",
"llvm::Optional<llvm::MCFixupKind>", "operator*", "()", "const &",
"llvm::Optional<llvm::MCFixupKind>::operator*"},
// Internal classes
{"operator<<(Cls, Cls)::Subclass::function()",
"operator<<(Cls, Cls)::Subclass", "function", "()", "",
"operator<<(Cls, Cls)::Subclass::function"},
{"SAEC::checkFunction(context&) const::CallBack::CallBack(int)",
"SAEC::checkFunction(context&) const::CallBack", "CallBack", "(int)", "",
"SAEC::checkFunction(context&) const::CallBack::CallBack"},
// Anonymous namespace
{"XX::(anonymous namespace)::anon_class::anon_func() const",
"XX::(anonymous namespace)::anon_class", "anon_func", "()", "const",
"XX::(anonymous namespace)::anon_class::anon_func"},
// Function pointers
{"string (*f(vector<int>&&))(float)", "", "f", "(vector<int>&&)", "",
"f"},
{"void (*&std::_Any_data::_M_access<void (*)()>())()", "std::_Any_data",
"_M_access<void (*)()>", "()", "",
"std::_Any_data::_M_access<void (*)()>"},
{"void (*(*(*(*(*(*(*(* const&func1(int))())())())())())())())()", "",
"func1", "(int)", "", "func1"},
// Decltype
{"decltype(nullptr)&& std::forward<decltype(nullptr)>"
"(std::remove_reference<decltype(nullptr)>::type&)",
"std", "forward<decltype(nullptr)>",
"(std::remove_reference<decltype(nullptr)>::type&)", "",
"std::forward<decltype(nullptr)>"},
// Templates
{"void llvm::PM<llvm::Module, llvm::AM<llvm::Module>>::"
"addPass<llvm::VP>(llvm::VP)",
"llvm::PM<llvm::Module, llvm::AM<llvm::Module>>", "addPass<llvm::VP>",
"(llvm::VP)", "",
"llvm::PM<llvm::Module, llvm::AM<llvm::Module>>::"
"addPass<llvm::VP>"},
{"void std::vector<Class, std::allocator<Class> >"
"::_M_emplace_back_aux<Class const&>(Class const&)",
"std::vector<Class, std::allocator<Class> >",
"_M_emplace_back_aux<Class const&>", "(Class const&)", "",
"std::vector<Class, std::allocator<Class> >::"
"_M_emplace_back_aux<Class const&>"},
{"unsigned long llvm::countTrailingOnes<unsigned int>"
"(unsigned int, llvm::ZeroBehavior)",
"llvm", "countTrailingOnes<unsigned int>",
"(unsigned int, llvm::ZeroBehavior)", "",
"llvm::countTrailingOnes<unsigned int>"},
{"std::enable_if<(10u)<(64), bool>::type llvm::isUInt<10u>(unsigned "
"long)",
"llvm", "isUInt<10u>", "(unsigned long)", "", "llvm::isUInt<10u>"},
{"f<A<operator<(X,Y)::Subclass>, sizeof(B)<sizeof(C)>()", "",
"f<A<operator<(X,Y)::Subclass>, sizeof(B)<sizeof(C)>", "()", "",
"f<A<operator<(X,Y)::Subclass>, sizeof(B)<sizeof(C)>"}};
for (const auto &test : test_cases) {
CPlusPlusLanguage::MethodName method(ConstString(test.input));
EXPECT_TRUE(method.IsValid()) << test.input;
if (method.IsValid()) {
EXPECT_EQ(test.context, method.GetContext().str());
EXPECT_EQ(test.basename, method.GetBasename().str());
EXPECT_EQ(test.arguments, method.GetArguments().str());
EXPECT_EQ(test.qualifiers, method.GetQualifiers().str());
EXPECT_EQ(test.scope_qualified_name, method.GetScopeQualifiedName());
}
}
}
TEST(CPlusPlusLanguage, ExtractContextAndIdentifier) {
struct TestCase {
std::string input;
std::string context, basename;
};
TestCase test_cases[] = {
{"main", "", "main"},
{"main ", "", "main"},
{"foo01::bar", "foo01", "bar"},
{"foo::~bar", "foo", "~bar"},
{"std::vector<int>::push_back", "std::vector<int>", "push_back"},
{"operator<<(Cls, Cls)::Subclass::function",
"operator<<(Cls, Cls)::Subclass", "function"},
{"std::vector<Class, std::allocator<Class>>"
"::_M_emplace_back_aux<Class const&>",
"std::vector<Class, std::allocator<Class>>",
"_M_emplace_back_aux<Class const&>"}};
llvm::StringRef context, basename;
for (const auto &test : test_cases) {
EXPECT_TRUE(CPlusPlusLanguage::ExtractContextAndIdentifier(
test.input.c_str(), context, basename));
EXPECT_EQ(test.context, context.str());
EXPECT_EQ(test.basename, basename.str());
}
EXPECT_FALSE(CPlusPlusLanguage::ExtractContextAndIdentifier("void", context,
basename));
EXPECT_FALSE(
CPlusPlusLanguage::ExtractContextAndIdentifier("321", context, basename));
EXPECT_FALSE(
CPlusPlusLanguage::ExtractContextAndIdentifier("", context, basename));
EXPECT_FALSE(CPlusPlusLanguage::ExtractContextAndIdentifier(
"selector:", context, basename));
EXPECT_FALSE(CPlusPlusLanguage::ExtractContextAndIdentifier(
"selector:otherField:", context, basename));
EXPECT_FALSE(CPlusPlusLanguage::ExtractContextAndIdentifier(
"abc::", context, basename));
}
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