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authorchriseth <chris@ethereum.org>2017-08-21 22:22:20 +0800
committerchriseth <chris@ethereum.org>2017-08-21 22:57:37 +0800
commitec82706396aa1770851223d59c0efdde7407fda0 (patch)
treebff7e508a449c1efc9fd5357bb957f7e84156d4c
parentd270879c8ff4447417c1c0cfce0b008b4df7bc9c (diff)
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Fix crash related to ``using for`` without a library.
-rw-r--r--Changelog.md1
-rw-r--r--libsolidity/analysis/TypeChecker.cpp2
-rw-r--r--test/libsolidity/SolidityNameAndTypeResolution.cpp15
3 files changed, 17 insertions, 1 deletions
diff --git a/Changelog.md b/Changelog.md
index 49d92eb5..3574455b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -13,6 +13,7 @@ Bugfixes:
* Assembly Parser: Be more strict about number literals.
* Parser: Enforce commas between array and tuple elements.
* Parser: Limit maximum recursion depth.
+ * Type Checker: Crash fix related to ``using``.
* Type Checker: Disallow constructors in libraries.
### 0.4.15 (2017-08-08)
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index e5660cde..32d078fd 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -463,7 +463,7 @@ void TypeChecker::endVisit(UsingForDirective const& _usingFor)
_usingFor.libraryName().annotation().referencedDeclaration
);
if (!library || !library->isLibrary())
- m_errorReporter.typeError(_usingFor.libraryName().location(), "Library name expected.");
+ m_errorReporter.fatalTypeError(_usingFor.libraryName().location(), "Library name expected.");
}
bool TypeChecker::visit(StructDefinition const& _struct)
diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp
index fad1ca61..e349bf83 100644
--- a/test/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -6657,6 +6657,21 @@ BOOST_AUTO_TEST_CASE(library_function_without_implementation)
CHECK_ERROR(text, TypeError, "Internal library function must be implemented if declared.");
}
+BOOST_AUTO_TEST_CASE(using_for_with_non_library)
+{
+ // This tests a crash that was resolved by making the first error fatal.
+ char const* text = R"(
+ library L {
+ struct S { uint d; }
+ using S for S;
+ function f(S _s) internal {
+ _s.d = 1;
+ }
+ }
+ )";
+ CHECK_ERROR(text, TypeError, "Library name expected.");
+}
+
BOOST_AUTO_TEST_CASE(experimental_pragma)
{
char const* text = R"(