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Contracts as types and framework for special global variables.

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This commit is contained in:
Christian
2014-11-23 21:28:44 +01:00
parent fa987e0a20
commit c50cd646ce
13 changed files with 259 additions and 66 deletions
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Types.cpp
+27 -3
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@@ -60,13 +60,24 @@ shared_ptr<Type> Type::fromElementaryTypeName(Token::Value _typeToken)
shared_ptr<Type> Type::fromUserDefinedTypeName(UserDefinedTypeName const& _typeName)
{
return make_shared<StructType>(*_typeName.getReferencedStruct());
Declaration const* declaration = _typeName.getReferencedDeclaration();
if (StructDefinition const* structDef = dynamic_cast<StructDefinition const*>(declaration))
return make_shared<StructType>(*structDef);
else if (FunctionDefinition const* function = dynamic_cast<FunctionDefinition const*>(declaration))
return make_shared<FunctionType>(*function);
else if (ContractDefinition const* contract = dynamic_cast<ContractDefinition const*>(declaration))
return make_shared<ContractType>(*contract);
return shared_ptr<Type>();
}
shared_ptr<Type> Type::fromMapping(Mapping const& _typeName)
{
shared_ptr<Type const> keyType = _typeName.getKeyType().toType();
if (!keyType)
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Error resolving type name."));
shared_ptr<Type const> valueType = _typeName.getValueType().toType();
if (!valueType)
BOOST_THROW_EXCEPTION(_typeName.getValueType().createTypeError("Invalid type name"));
return make_shared<MappingType>(keyType, valueType);
}
@@ -201,6 +212,15 @@ u256 BoolType::literalValue(Literal const& _literal) const
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Bool type constructed from non-boolean literal."));
}
bool ContractType::isExplicitlyConvertibleTo(Type const& _convertTo) const
{
if (isImplicitlyConvertibleTo(_convertTo))
return true;
if (_convertTo.getCategory() == Category::INTEGER)
return dynamic_cast<IntegerType const&>(_convertTo).isAddress();
return false;
}
bool ContractType::operator==(Type const& _other) const
{
if (_other.getCategory() != getCategory())
@@ -217,6 +237,11 @@ u256 ContractType::getStorageSize() const
return max<u256>(1, size);
}
string ContractType::toString() const
{
return "contract " + m_contract.getName();
}
bool StructType::operator==(Type const& _other) const
{
if (_other.getCategory() != getCategory())
@@ -282,8 +307,7 @@ bool FunctionType::operator==(Type const& _other) const
string FunctionType::toString() const
{
//@todo nice string for function types
return "function(...)returns(...)";
return "function " + m_function.getName();
}
bool MappingType::operator==(Type const& _other) const