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Refactor type system to allow multiple entry points.

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This commit is contained in:
chriseth
2017-02-14 13:23:44 +01:00
parent fc8e50f688
commit c87bafd2ed
4 changed files with 27 additions and 15 deletions
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libsolidity/analysis/NameAndTypeResolver.cpp
+20 -10
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@@ -44,18 +44,12 @@ NameAndTypeResolver::NameAndTypeResolver(
m_scopes[nullptr]->registerDeclaration(*declaration);
}
bool NameAndTypeResolver::registerDeclarations(SourceUnit& _sourceUnit)
bool NameAndTypeResolver::registerDeclarations(ASTNode& _sourceUnit)
{
if (!m_scopes[&_sourceUnit])
// By importing, it is possible that the container already exists.
m_scopes[&_sourceUnit].reset(new DeclarationContainer(nullptr, m_scopes[nullptr].get()));
m_currentScope = m_scopes[&_sourceUnit].get();
// The helper registers all declarations in m_scopes as a side-effect of its construction.
try
{
DeclarationRegistrationHelper registrar(m_scopes, _sourceUnit, m_errors);
_sourceUnit.annotation().exportedSymbols = m_scopes[&_sourceUnit]->declarations();
}
catch (FatalError const&)
{
@@ -458,11 +452,26 @@ DeclarationRegistrationHelper::DeclarationRegistrationHelper(
ErrorList& _errors
):
m_scopes(_scopes),
m_currentScope(&_astRoot),
m_currentScope(nullptr),
m_errors(_errors)
{
solAssert(!!m_scopes.at(m_currentScope), "");
_astRoot.accept(*this);
solAssert(m_currentScope == nullptr, "Scopes not correctly closed.");
}
bool DeclarationRegistrationHelper::visit(SourceUnit& _sourceUnit)
{
if (!m_scopes[&_sourceUnit])
// By importing, it is possible that the container already exists.
m_scopes[&_sourceUnit].reset(new DeclarationContainer(nullptr, m_scopes[nullptr].get()));
m_currentScope = &_sourceUnit;
return true;
}
void DeclarationRegistrationHelper::endVisit(SourceUnit& _sourceUnit)
{
_sourceUnit.annotation().exportedSymbols = m_scopes[&_sourceUnit]->declarations();
closeCurrentScope();
}
bool DeclarationRegistrationHelper::visit(ImportDirective& _import)
@@ -583,12 +592,13 @@ void DeclarationRegistrationHelper::enterNewSubScope(Declaration const& _declara
void DeclarationRegistrationHelper::closeCurrentScope()
{
solAssert(m_currentScope, "Closed non-existing scope.");
solAssert(m_currentScope && m_scopes.count(m_currentScope), "Closed non-existing scope.");
m_currentScope = m_scopes[m_currentScope]->enclosingNode();
}
void DeclarationRegistrationHelper::registerDeclaration(Declaration& _declaration, bool _opensScope)
{
solAssert(m_currentScope && m_scopes.count(m_currentScope), "No current scope.");
if (!m_scopes[m_currentScope]->registerDeclaration(_declaration, nullptr, !_declaration.isVisibleInContract()))
{
SourceLocation firstDeclarationLocation;