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-rw-r--r--libsolidity/ast/Types.cpp13
-rw-r--r--libsolidity/ast/Types.h3
2 files changed, 8 insertions, 8 deletions
diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp
index 95f461ec..102e43e9 100644
--- a/libsolidity/ast/Types.cpp
+++ b/libsolidity/ast/Types.cpp
@@ -442,10 +442,11 @@ MemberList::MemberMap Type::boundFunctions(Type const& _type, ContractDefinition
if (!function->isVisibleAsLibraryMember() || seenFunctions.count(function))
continue;
seenFunctions.insert(function);
- FunctionType funType(*function, false);
- if (auto fun = funType.asCallableFunction(true, true))
- if (_type.isImplicitlyConvertibleTo(*fun->selfType()))
- members.push_back(MemberList::Member(function->name(), fun, function));
+ if (function->parameters().empty())
+ continue;
+ FunctionTypePointer fun = FunctionType(*function, false).asCallableFunction(true, true);
+ if (_type.isImplicitlyConvertibleTo(*fun->selfType()))
+ members.push_back(MemberList::Member(function->name(), fun, function));
}
}
return members;
@@ -3061,8 +3062,8 @@ TypePointer FunctionType::copyAndSetGasOrValue(bool _setGas, bool _setValue) con
FunctionTypePointer FunctionType::asCallableFunction(bool _inLibrary, bool _bound) const
{
- if (_bound && m_parameterTypes.empty())
- return FunctionTypePointer();
+ if (_bound)
+ solAssert(!m_parameterTypes.empty(), "");
TypePointers parameterTypes;
for (auto const& t: m_parameterTypes)
diff --git a/libsolidity/ast/Types.h b/libsolidity/ast/Types.h
index 3b3b2bdf..953aa557 100644
--- a/libsolidity/ast/Types.h
+++ b/libsolidity/ast/Types.h
@@ -1158,9 +1158,8 @@ public:
/// from CallData to Memory. This is the type that would be used when the function is
/// called, as opposed to the parameter types that are available inside the function body.
/// Also supports variants to be used for library or bound calls.
- /// Returns empty shared pointer on a failure. Namely, if a bound function has no parameters.
/// @param _inLibrary if true, uses DelegateCall as location.
- /// @param _bound if true, the arguments are placed as `arg1.functionName(arg2, ..., argn)`.
+ /// @param _bound if true, the function type is set to be bound.
FunctionTypePointer asCallableFunction(bool _inLibrary, bool _bound = false) const;
private: