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257 lines (210 loc) · 5 KB
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//
// Struct.cpp
//
// $Id: //poco/1.4/CppParser/src/Struct.cpp#1 $
//
// Library: CppParser
// Package: SymbolTable
// Module: Struct
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/CppParser/Struct.h"
#include "Poco/CppParser/Function.h"
#include "Poco/String.h"
#include <algorithm>
#include <sstream>
#include <cstddef>
namespace Poco {
namespace CppParser {
Struct::Struct(const std::string& decl, bool isClass, NameSpace* pNameSpace):
NameSpace(extractName(decl), pNameSpace),
_decl(decl),
_flags(0),
_isClass(isClass)
{
std::size_t pos = decl.find("template");
if (pos != std::string::npos)
{
_flags |= FN_TEMPLATE;
std::size_t templTypeStart = decl.find("<", pos);
std::size_t templTypeEnd = decl.find(">", templTypeStart);
if (templTypeStart != std::string::npos && templTypeEnd != std::string::npos)
{
std::string templParam = decl.substr(templTypeStart+1, templTypeEnd-templTypeStart-1);
Poco::trimInPlace(templParam);
if (templParam.empty())
_flags |= FN_TEMPLATE_SPECIALIZATION;
}
}
}
Struct::~Struct()
{
}
void Struct::addBase(const std::string& name, Symbol::Access access, bool isVirtual)
{
Base base;
base.name = name;
base.access = access;
base.isVirtual = isVirtual;
base.pClass = 0;
_bases.push_back(base);
}
Struct::BaseIterator Struct::baseBegin() const
{
return _bases.begin();
}
Struct::BaseIterator Struct::baseEnd() const
{
return _bases.end();
}
void Struct::addDerived(Struct* pClass)
{
poco_check_ptr (pClass);
_derived.push_back(pClass);
}
void Struct::fixupBases()
{
for (BaseClasses::iterator it = _bases.begin(); it != _bases.end(); ++it)
{
it->pClass = dynamic_cast<Struct*>(lookup(it->name));
if (it->pClass)
it->pClass->addDerived(this);
}
}
Struct::DerivedIterator Struct::derivedBegin() const
{
return _derived.begin();
}
Struct::DerivedIterator Struct::derivedEnd() const
{
return _derived.end();
}
namespace
{
struct CPLT
{
bool operator() (const Function* pF1, const Function* pF2) const
{
int pc1 = pF1->countParameters();
int pc2 = pF2->countParameters();
return pc1 < pc2;
}
};
};
void Struct::constructors(Functions& functions) const
{
for (NameSpace::Iterator it = begin(); it != end(); ++it)
{
Function* pFunc = dynamic_cast<Function*>(it->second);
if (pFunc && pFunc->isConstructor())
functions.push_back(pFunc);
}
std::sort(functions.begin(), functions.end(), CPLT());
}
void Struct::bases(std::set<std::string>& bases) const
{
for (BaseIterator it = baseBegin(); it != baseEnd(); ++it)
{
if (it->pClass)
{
bases.insert(it->pClass->fullName());
it->pClass->bases(bases);
}
else bases.insert(it->name);
}
}
Function* Struct::destructor() const
{
for (NameSpace::Iterator it = begin(); it != end(); ++it)
{
Function* pFunc = dynamic_cast<Function*>(it->second);
if (pFunc && pFunc->isDestructor())
return pFunc;
}
return 0;
}
void Struct::methods(Symbol::Access access, Functions& functions) const
{
for (NameSpace::Iterator it = begin(); it != end(); ++it)
{
Function* pFunc = dynamic_cast<Function*>(it->second);
if (pFunc && pFunc->getAccess() == access && pFunc->isMethod())
functions.push_back(pFunc);
}
}
void Struct::inheritedMethods(FunctionSet& functions) const
{
for (BaseIterator it = baseBegin(); it != baseEnd(); ++it)
{
Struct* pBase = it->pClass;
if (pBase)
{
for (NameSpace::Iterator itm = pBase->begin(); itm != pBase->end(); ++itm)
{
Function* pFunc = dynamic_cast<Function*>(itm->second);
if (pFunc && pFunc->getAccess() != Symbol::ACC_PRIVATE && pFunc->isMethod())
functions.insert(pFunc);
}
pBase->inheritedMethods(functions);
}
}
}
void Struct::derived(StructSet& derived) const
{
for (DerivedIterator it = derivedBegin(); it != derivedEnd(); ++it)
{
derived.insert(*it);
(*it)->derived(derived);
}
}
Symbol::Kind Struct::kind() const
{
return Symbol::SYM_STRUCT;
}
Function* Struct::findFunction(const std::string& signature) const
{
for (NameSpace::Iterator it = begin(); it != end(); ++it)
{
Function* pFunc = dynamic_cast<Function*>(it->second);
if (pFunc && pFunc->signature() == signature)
return pFunc;
}
for (BaseIterator it = baseBegin(); it != baseEnd(); ++it)
{
if (it->pClass)
{
Function* pFunc = it->pClass->findFunction(signature);
if (pFunc) return pFunc;
}
}
return 0;
}
bool Struct::hasVirtualDestructor() const
{
Function* pFunc = destructor();
if (pFunc && (pFunc->flags() & Function::FN_VIRTUAL))
return true;
for (BaseIterator it = baseBegin(); it != baseEnd(); ++it)
{
if (it->pClass && it->pClass->hasVirtualDestructor())
return true;
}
return false;
}
std::string Struct::toString() const
{
std::ostringstream ostr;
ostr << declaration() << "\n{\n";
for (Iterator it = begin(); it != end(); ++it)
{
ostr << it->second->fullName() << "\n";
ostr << it->second->toString() << "\n";
}
ostr << "};\n";
return ostr.str();
}
} } // namespace Poco::CppParser