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enhance DeclarationContainer to use std::set so that it can handle overloaded function names

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This commit is contained in:
Lu Guanqun 2015-02-28 16:15:27 +08:00
parent 1efef53cb3
commit 068bb5d731
2 changed files with 27 additions and 8 deletions
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29
DeclarationContainer.cpp
View File

@ -22,6 +22,7 @@
#include <libsolidity/DeclarationContainer.h>
#include <libsolidity/AST.h>
#include <libsolidity/Types.h>
namespace dev
{
@ -34,17 +35,35 @@ bool DeclarationContainer::registerDeclaration(Declaration const& _declaration,
if (name.empty())
return true;
if (!_update && (m_declarations.count(name) || m_invisibleDeclarations.count(name)))
return false;
if (!_update)
{
if (dynamic_cast<FunctionDefinition const*>(&_declaration))
{
// other declarations must be FunctionDefinition, otherwise clash with other declarations.
for (auto&& declaration: m_declarations[_declaration.getName()])
if (dynamic_cast<FunctionDefinition const*>(declaration) == nullptr)
return false;
}
else if (m_declarations.count(_declaration.getName()) != 0)
return false;
}
else
{
// update declaration
solAssert(dynamic_cast<FunctionDefinition const*>(&_declaration) == nullptr, "cannot be FunctionDefinition");
m_declarations[_declaration.getName()].clear();
}
if (_invisible)
m_invisibleDeclarations.insert(name);
else
m_declarations[name] = &_declaration;
m_declarations[_declaration.getName()].insert(&_declaration);
return true;
}
Declaration const* DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
std::set<Declaration const*> DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
{
solAssert(!_name.empty(), "Attempt to resolve empty name.");
auto result = m_declarations.find(_name);
@ -52,7 +71,7 @@ Declaration const* DeclarationContainer::resolveName(ASTString const& _name, boo
return result->second;
if (_recursive && m_enclosingContainer)
return m_enclosingContainer->resolveName(_name, true);
return nullptr;
return std::set<Declaration const*>({});
}
}

6
DeclarationContainer.h
View File

@ -48,14 +48,14 @@ public:
/// @param _update if true, replaces a potential declaration that is already present
/// @returns false if the name was already declared.
bool registerDeclaration(Declaration const& _declaration, bool _invisible = false, bool _update = false);
Declaration const* resolveName(ASTString const& _name, bool _recursive = false) const;
std::set<Declaration const*> resolveName(ASTString const& _name, bool _recursive = false) const;
Declaration const* getEnclosingDeclaration() const { return m_enclosingDeclaration; }
std::map<ASTString, Declaration const*> const& getDeclarations() const { return m_declarations; }
std::map<ASTString, std::set<Declaration const*>> const& getDeclarations() const { return m_declarations; }
private:
Declaration const* m_enclosingDeclaration;
DeclarationContainer const* m_enclosingContainer;
std::map<ASTString, Declaration const*> m_declarations;
std::map<ASTString, std::set<Declaration const*>> m_declarations;
std::set<ASTString> m_invisibleDeclarations;
};