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| author | chriseth <c@ethdev.com> | 2017-03-06 21:50:00 +0800 |
|---|---|---|
| committer | chriseth <c@ethdev.com> | 2017-03-08 19:42:07 +0800 |
| commit | 93ef7fd260d680cf6e984e286427542e24749bca (patch) | |
| tree | 0b650eb5c665dce3ba30c5d5407b85900a688da4 /libsolidity/analysis | |
| parent | 276229cc58e00dabeb1c7d800e91131816969a02 (diff) | |
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Disallow compound assignment for tuples.
Diffstat (limited to 'libsolidity/analysis')
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index 93b183a2..acceffda 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -947,6 +947,11 @@ bool TypeChecker::visit(Assignment const& _assignment) _assignment.annotation().type = t; if (TupleType const* tupleType = dynamic_cast<TupleType const*>(t.get())) { + if (_assignment.assignmentOperator() != Token::Assign) + typeError( + _assignment.location(), + "Compound assignment is not allowed for tuple types." + ); // Sequenced assignments of tuples is not valid, make the result a "void" type. _assignment.annotation().type = make_shared<TupleType>(); expectType(_assignment.rightHandSide(), *tupleType); |