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| author | Federico Bond <federicobond@gmail.com> | 2017-06-15 23:36:14 +0800 |
|---|---|---|
| committer | Federico Bond <federicobond@gmail.com> | 2017-06-22 09:46:27 +0800 |
| commit | 0f8ad1d68f60270fb22057e787ff689318c31fa9 (patch) | |
| tree | 5b6f9f78fdce1e7164c4ebf94011d1598664f1c5 | |
| parent | 26ea9ce07cf85849cd881465a4322f14bff87eb8 (diff) | |
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Fix segmentation fault with constant function parameters
| -rw-r--r-- | Changelog.md | 1 | ||||
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 9 | ||||
| -rw-r--r-- | test/libsolidity/SolidityNameAndTypeResolution.cpp | 20 |
3 files changed, 29 insertions, 1 deletions
diff --git a/Changelog.md b/Changelog.md index 0fb2fe5c..4bf85d5f 100644 --- a/Changelog.md +++ b/Changelog.md @@ -16,6 +16,7 @@ Bugfixes: * Fixed crash concerning non-callable types. * Unused variable warnings no longer issued for variables used inside inline assembly. * Inline Assembly: Enforce function arguments when parsing functional instructions. + * Fixed segfault with constant function parameters ### 0.4.11 (2017-05-03) diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index 2a8d1ff6..4194e1c2 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -463,6 +463,8 @@ bool TypeChecker::visit(FunctionDefinition const& _function) m_errorReporter.typeError(var->location(), "Type is required to live outside storage."); if (_function.visibility() >= FunctionDefinition::Visibility::Public && !(type(*var)->interfaceType(isLibraryFunction))) m_errorReporter.fatalTypeError(var->location(), "Internal type is not allowed for public or external functions."); + + var->accept(*this); } for (ASTPointer<ModifierInvocation> const& modifier: _function.modifiers()) visitManually( @@ -487,7 +489,12 @@ bool TypeChecker::visit(FunctionDefinition const& _function) bool TypeChecker::visit(VariableDeclaration const& _variable) { - if (m_scope->contractKind() == ContractDefinition::ContractKind::Interface) + // Forbid any variable declarations inside interfaces unless they are part of + // a function's input/output parameters. + if ( + m_scope->contractKind() == ContractDefinition::ContractKind::Interface + && !_variable.isCallableParameter() + ) m_errorReporter.typeError(_variable.location(), "Variables cannot be declared in interfaces."); // Variables can be declared without type (with "var"), in which case the first assignment diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp index 0b3cb481..c4b1250f 100644 --- a/test/libsolidity/SolidityNameAndTypeResolution.cpp +++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp @@ -1597,6 +1597,16 @@ BOOST_AUTO_TEST_CASE(empty_name_input_parameter) CHECK_SUCCESS(text); } +BOOST_AUTO_TEST_CASE(constant_input_parameter) +{ + char const* text = R"( + contract test { + function f(uint[] constant a) { } + } + )"; + CHECK_ERROR_ALLOW_MULTI(text, TypeError, "Illegal use of \"constant\" specifier."); +} + BOOST_AUTO_TEST_CASE(empty_name_return_parameter) { char const* text = R"( @@ -5582,6 +5592,16 @@ BOOST_AUTO_TEST_CASE(interface_variables) CHECK_ERROR(text, TypeError, "Variables cannot be declared in interfaces"); } +BOOST_AUTO_TEST_CASE(interface_function_parameters) +{ + char const* text = R"( + interface I { + function f(uint a) returns(bool); + } + )"; + success(text); +} + BOOST_AUTO_TEST_CASE(interface_enums) { char const* text = R"( |