diff options
-rw-r--r-- | Changelog.md | 4 | ||||
-rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 17 | ||||
-rw-r--r-- | test/libsolidity/SolidityNameAndTypeResolution.cpp | 22 |
3 files changed, 14 insertions, 29 deletions
diff --git a/Changelog.md b/Changelog.md index 9087742d..3484b369 100644 --- a/Changelog.md +++ b/Changelog.md @@ -7,9 +7,9 @@ Bugfixes: * Code Generator: ``.delegatecall()`` should always return execution outcome. * Code Generator: Provide "new account gas" for low-level ``callcode`` and ``delegatecall``. * Type Checker: Constructors must be implemented if declared. - * Type Checker: Do not mark overloaded functions as shadowing other functions. * Type Checker: Disallow the ``.gas()`` modifier on ``ecrecover``, ``sha256`` and ``ripemd160``. - * Type Checker: Raise error when using unimplemented internal library functions. + * Type Checker: Do not mark overloaded functions as shadowing other functions. + * Type Checker: Internal library functions must be implemented if declared. ### 0.4.14 (2017-07-31) diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index fbdac1c7..6852c13d 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -518,6 +518,8 @@ bool TypeChecker::visit(FunctionDefinition const& _function) _function.body().accept(*this); else if (_function.isConstructor()) m_errorReporter.typeError(_function.location(), "Constructor must be implemented if declared."); + else if (isLibraryFunction && _function.visibility() <= FunctionDefinition::Visibility::Internal) + m_errorReporter.typeError(_function.location(), "Internal library function must be implemented if declared."); return false; } @@ -1403,21 +1405,6 @@ bool TypeChecker::visit(FunctionCall const& _functionCall) else _functionCall.annotation().type = make_shared<TupleType>(functionType->returnParameterTypes()); - // Internal library functions must be implemented, because of inlining rules. - if ( - functionType->kind() == FunctionType::Kind::Internal && - functionType->hasDeclaration() && - dynamic_cast<FunctionDefinition const*>(&functionType->declaration()) - ) - { - FunctionDefinition const* function = dynamic_cast<FunctionDefinition const*>(&functionType->declaration()); - bool isLibraryFunction = - dynamic_cast<ContractDefinition const*>(function->scope()) && - dynamic_cast<ContractDefinition const*>(function->scope())->isLibrary(); - if (!function->isImplemented() && isLibraryFunction) - m_errorReporter.typeError(_functionCall.location(), "Inlined library function is lacking implementation."); - } - TypePointers parameterTypes = functionType->parameterTypes(); if (!functionType->takesArbitraryParameters() && parameterTypes.size() != arguments.size()) { diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp index ef83cc61..2fbc6ac8 100644 --- a/test/libsolidity/SolidityNameAndTypeResolution.cpp +++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp @@ -6536,28 +6536,26 @@ BOOST_AUTO_TEST_CASE(constructor_without_implementation) CHECK_ERROR(text, TypeError, "Constructor must be implemented if declared."); } -BOOST_AUTO_TEST_CASE(calling_unimplemented_internal_functions) +BOOST_AUTO_TEST_CASE(library_function_without_implementation) { char const* text = R"( - contract C { - function f() internal; - function g() { f(); } + library L { + function f(); } )"; CHECK_SUCCESS_NO_WARNINGS(text); -} - -BOOST_AUTO_TEST_CASE(calling_unimplemented_internal_library_functions) -{ - char const* text = R"( + text = R"( library L { function f() internal; } - contract C { - function g() { L.f(); } + )"; + CHECK_ERROR(text, TypeError, "Internal library function must be implemented if declared."); + text = R"( + library L { + function f() private; } )"; - CHECK_ERROR(text, TypeError, "Inlined library function is lacking implementation."); + CHECK_ERROR(text, TypeError, "Internal library function must be implemented if declared."); } BOOST_AUTO_TEST_SUITE_END() |