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Split external type into ecoding and interface type.

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This commit is contained in:
chriseth
2015-10-06 14:19:56 +02:00
parent d2332769d3
commit 9cc7402c95
7 changed files with 128 additions and 55 deletions
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libsolidity/ReferencesResolver.cpp
+36 -18
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@@ -106,27 +106,45 @@ void ReferencesResolver::endVisit(VariableDeclaration const& _variable)
// References are forced to calldata for external function parameters (not return)
// and memory for parameters (also return) of publicly visible functions.
// They default to memory for function parameters and storage for local variables.
// As an exception, "storage" is allowed for library functions.
if (auto ref = dynamic_cast<ReferenceType const*>(type.get()))
{
if (_variable.isExternalCallableParameter())
if (_variable.isCallableParameter())
{
// force location of external function parameters (not return) to calldata
if (loc != Location::Default)
BOOST_THROW_EXCEPTION(_variable.createTypeError(
"Location has to be calldata for external functions "
"(remove the \"memory\" or \"storage\" keyword)."
));
type = ref->copyForLocation(DataLocation::CallData, true);
}
else if (_variable.isCallableParameter() && _variable.scope()->isPublic())
{
// force locations of public or external function (return) parameters to memory
if (loc == VariableDeclaration::Location::Storage)
BOOST_THROW_EXCEPTION(_variable.createTypeError(
"Location has to be memory for publicly visible functions "
"(remove the \"storage\" keyword)."
));
type = ref->copyForLocation(DataLocation::Memory, true);
auto const& contract = dynamic_cast<ContractDefinition const&>(*_variable.scope()->scope());
if (_variable.isExternalCallableParameter())
{
if (contract.isLibrary())
{
if (loc == Location::Memory)
BOOST_THROW_EXCEPTION(_variable.createTypeError(
"Location has to be calldata or storage for external "
"library functions (remove the \"memory\" keyword)."
));
}
else
{
// force location of external function parameters (not return) to calldata
if (loc != Location::Default)
BOOST_THROW_EXCEPTION(_variable.createTypeError(
"Location has to be calldata for external functions "
"(remove the \"memory\" or \"storage\" keyword)."
));
}
if (loc == Location::Default)
type = ref->copyForLocation(DataLocation::CallData, true);
}
else if (_variable.isCallableParameter() && _variable.scope()->isPublic())
{
// force locations of public or external function (return) parameters to memory
if (loc == Location::Storage && !contract.isLibrary())
BOOST_THROW_EXCEPTION(_variable.createTypeError(
"Location has to be memory for publicly visible functions "
"(remove the \"storage\" keyword)."
));
if (loc == Location::Default)
type = ref->copyForLocation(DataLocation::Memory, true);
}
}
else
{