Method checkDuplicateFunctions

libsolidity/analysis/ContractLevelChecker.cpp:140–189

	}
}
void ContractLevelChecker::checkDuplicateFunctions(ContractDefinition const& _contract)
{
	/// Checks that two functions with the same name defined in this contract have different
	/// argument types and that there is at most one constructor.
	std::map<std::string, std::vector<FunctionDefinition const*>> functions;
	FunctionDefinition const* constructor = nullptr;
	FunctionDefinition const* fallback = nullptr;
	FunctionDefinition const* receive = nullptr;
	for (FunctionDefinition const* function: _contract.definedFunctions())
		if (function->isConstructor())
		{
			if (constructor)
				m_errorReporter.declarationError(
					7997_error,
					function->location(),
					SecondarySourceLocation().append("Another declaration is here:", constructor->location()),
					"More than one constructor defined."
				);
			constructor = function;
		}
		else if (function->isFallback())
		{
			if (fallback)
				m_errorReporter.declarationError(
					7301_error,
					function->location(),
					SecondarySourceLocation().append("Another declaration is here:", fallback->location()),
					"Only one fallback function is allowed."
				);
			fallback = function;
		}
		else if (function->isReceive())
		{
			if (receive)
				m_errorReporter.declarationError(
					4046_error,
					function->location(),
					SecondarySourceLocation().append("Another declaration is here:", receive->location()),
					"Only one receive function is allowed."
				);
			receive = function;
		}
		else
		{
			solAssert(!function->name().empty(), "");
			functions[function->name()].push_back(function);
		}

	findDuplicateDefinitions(functions);
}

void ContractLevelChecker::checkDuplicateEvents(ContractDefinition const& _contract)
{