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Check that constructor does not have "returns" directive.

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This commit is contained in:
Christian 2014-12-15 16:09:50 +01:00
parent 40f7c32e57
commit c40725c22a
3 changed files with 16 additions and 5 deletions
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11
AST.cpp
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@ -39,6 +39,17 @@ TypeError ASTNode::createTypeError(string const& _description) const
return TypeError() << errinfo_sourceLocation(getLocation()) << errinfo_comment(_description);
}
void ContractDefinition::checkTypeRequirements()
{
FunctionDefinition const* constructor = getConstructor();
if (constructor && !constructor->getReturnParameters().empty())
BOOST_THROW_EXCEPTION(constructor->getReturnParameterList()->createTypeError(
"Non-empty \"returns\" directive for constructor."));
for (ASTPointer<FunctionDefinition> const& function: getDefinedFunctions())
function->checkTypeRequirements();
}
vector<FunctionDefinition const*> ContractDefinition::getInterfaceFunctions() const
{
vector<FunctionDefinition const*> exportedFunctions;

4
AST.h
View File

@ -174,6 +174,10 @@ public:
std::vector<ASTPointer<VariableDeclaration>> const& getStateVariables() const { return m_stateVariables; }
std::vector<ASTPointer<FunctionDefinition>> const& getDefinedFunctions() const { return m_definedFunctions; }
/// Checks that the constructor does not have a "returns" statement and calls
/// checkTypeRequirements on all its functions.
void checkTypeRequirements();
/// @return A shared pointer of an ASTString.
/// Can contain a nullptr in which case indicates absence of documentation
ASTPointer<ASTString> const& getDocumentation() const { return m_documentation; }

6
NameAndTypeResolver.cpp
View File

@ -62,11 +62,7 @@ void NameAndTypeResolver::resolveNamesAndTypes(ContractDefinition& _contract)
// First, the parameter types of all functions need to be resolved before we can check
// the types, since it is possible to call functions that are only defined later
// in the source.
for (ASTPointer<FunctionDefinition> const& function: _contract.getDefinedFunctions())
{
m_currentScope = &m_scopes[function.get()];
function->checkTypeRequirements();
}
_contract.checkTypeRequirements();
m_currentScope = &m_scopes[nullptr];
}