diff options
10 files changed, 93 insertions, 9 deletions
diff --git a/Changelog.md b/Changelog.md index dbb44983..0790c0ca 100644 --- a/Changelog.md +++ b/Changelog.md @@ -69,6 +69,7 @@ Language Features: * General: Allow appending ``calldata`` keyword to types, to explicitly specify data location for arguments of external functions. * General: Support ``pop()`` for storage arrays. * General: Scoping rules now follow the C99-style. + * General: Allow ``enum``s in interfaces. Compiler Features: * C API (``libsolc``): Export the ``solidity_license``, ``solidity_version`` and ``solidity_compile`` methods. diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index d98d6af1..38331a43 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -751,13 +751,6 @@ bool TypeChecker::visit(VariableDeclaration const& _variable) return false; } -bool TypeChecker::visit(EnumDefinition const& _enum) -{ - if (m_scope->contractKind() == ContractDefinition::ContractKind::Interface) - m_errorReporter.typeError(_enum.location(), "Enumerable cannot be declared in interfaces."); - return false; -} - void TypeChecker::visitManually( ModifierInvocation const& _modifier, vector<ContractDefinition const*> const& _bases diff --git a/libsolidity/analysis/TypeChecker.h b/libsolidity/analysis/TypeChecker.h index 47892a3f..b696de85 100644 --- a/libsolidity/analysis/TypeChecker.h +++ b/libsolidity/analysis/TypeChecker.h @@ -96,7 +96,6 @@ private: virtual bool visit(StructDefinition const& _struct) override; virtual bool visit(FunctionDefinition const& _function) override; virtual bool visit(VariableDeclaration const& _variable) override; - virtual bool visit(EnumDefinition const& _enum) override; /// We need to do this manually because we want to pass the bases of the current contract in /// case this is a base constructor call. void visitManually(ModifierInvocation const& _modifier, std::vector<ContractDefinition const*> const& _bases); diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index bd1d9de7..a6c1372b 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -4577,6 +4577,50 @@ BOOST_AUTO_TEST_CASE(constructing_enums_from_ints) ABI_CHECK(callContractFunction("test()"), encodeArgs(1)); } +BOOST_AUTO_TEST_CASE(enum_referencing) +{ + char const* sourceCode = R"( + interface I { + enum Direction { A, B, Left, Right } + } + library L { + enum Direction { Left, Right } + function f() public pure returns (Direction) { + return Direction.Right; + } + function g() public pure returns (I.Direction) { + return I.Direction.Right; + } + } + contract C is I { + function f() public pure returns (Direction) { + return Direction.Right; + } + function g() public pure returns (I.Direction) { + return I.Direction.Right; + } + function h() public pure returns (L.Direction) { + return L.Direction.Right; + } + function x() public pure returns (L.Direction) { + return L.f(); + } + function y() public pure returns (I.Direction) { + return L.g(); + } + } + )"; + compileAndRun(sourceCode, 0, "L"); + ABI_CHECK(callContractFunction("f()"), encodeArgs(1)); + ABI_CHECK(callContractFunction("g()"), encodeArgs(3)); + compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"L", m_contractAddress}}); + ABI_CHECK(callContractFunction("f()"), encodeArgs(3)); + ABI_CHECK(callContractFunction("g()"), encodeArgs(3)); + ABI_CHECK(callContractFunction("h()"), encodeArgs(1)); + ABI_CHECK(callContractFunction("x()"), encodeArgs(1)); + ABI_CHECK(callContractFunction("y()"), encodeArgs(3)); +} + BOOST_AUTO_TEST_CASE(inline_member_init) { char const* sourceCode = R"( diff --git a/test/libsolidity/syntaxTests/nameAndTypeResolution/422_interface_enums.sol b/test/libsolidity/syntaxTests/nameAndTypeResolution/422_interface_enums.sol index 5513817d..1533e7ff 100644 --- a/test/libsolidity/syntaxTests/nameAndTypeResolution/422_interface_enums.sol +++ b/test/libsolidity/syntaxTests/nameAndTypeResolution/422_interface_enums.sol @@ -2,4 +2,3 @@ interface I { enum A { B, C } } // ---- -// TypeError: (18-33): Enumerable cannot be declared in interfaces. diff --git a/test/libsolidity/syntaxTests/parsing/enum_from_interface.sol b/test/libsolidity/syntaxTests/parsing/enum_from_interface.sol new file mode 100644 index 00000000..0fe0fbae --- /dev/null +++ b/test/libsolidity/syntaxTests/parsing/enum_from_interface.sol @@ -0,0 +1,9 @@ +interface I { + enum Direction { Left, Right } +} + +contract D { + function f() public pure returns (I.Direction) { + return I.Direction.Left; + } +} diff --git a/test/libsolidity/syntaxTests/parsing/enum_from_interface_in_library.sol b/test/libsolidity/syntaxTests/parsing/enum_from_interface_in_library.sol new file mode 100644 index 00000000..8d9003eb --- /dev/null +++ b/test/libsolidity/syntaxTests/parsing/enum_from_interface_in_library.sol @@ -0,0 +1,12 @@ +interface I { + enum Direction { Left, Right } +} + +library L { + function f() public pure returns (I.Direction) { + return I.Direction.Left; + } + function g() internal pure returns (I.Direction) { + return I.Direction.Left; + } +} diff --git a/test/libsolidity/syntaxTests/parsing/enum_from_library.sol b/test/libsolidity/syntaxTests/parsing/enum_from_library.sol new file mode 100644 index 00000000..ab762a82 --- /dev/null +++ b/test/libsolidity/syntaxTests/parsing/enum_from_library.sol @@ -0,0 +1,9 @@ +library L { + enum Direction { Left, Right } +} + +contract D { + function f() public pure returns (L.Direction) { + return L.Direction.Left; + } +} diff --git a/test/libsolidity/syntaxTests/parsing/enum_inheritance_contract.sol b/test/libsolidity/syntaxTests/parsing/enum_inheritance_contract.sol new file mode 100644 index 00000000..e5b98352 --- /dev/null +++ b/test/libsolidity/syntaxTests/parsing/enum_inheritance_contract.sol @@ -0,0 +1,9 @@ +contract C { + enum Direction { Left, Right } +} + +contract D is C { + function f() public pure returns (Direction) { + return Direction.Left; + } +} diff --git a/test/libsolidity/syntaxTests/parsing/enum_inheritance_interface.sol b/test/libsolidity/syntaxTests/parsing/enum_inheritance_interface.sol new file mode 100644 index 00000000..75858744 --- /dev/null +++ b/test/libsolidity/syntaxTests/parsing/enum_inheritance_interface.sol @@ -0,0 +1,9 @@ +interface I { + enum Direction { Left, Right } +} + +contract D is I { + function f() public pure returns (Direction) { + return Direction.Left; + } +} |