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| author | Lu Guanqun <guanqun.lu@gmail.com> | 2016-01-04 16:11:04 +0800 |
|---|---|---|
| committer | Lu Guanqun <guanqun.lu@gmail.com> | 2016-01-04 16:11:36 +0800 |
| commit | 568da1136992f8f188ba419bef814659f7a7794a (patch) | |
| tree | 947396ddacbf9ed3d86434826b501a82f9ac7674 | |
| parent | 6b711d0527823ff6287fe869579260bb27feacdd (diff) | |
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support decayed tuple expression as left value
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 5 | ||||
| -rw-r--r-- | libsolidity/codegen/ExpressionCompiler.cpp | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index 9718bf75..de30dcf7 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -792,7 +792,10 @@ bool TypeChecker::visit(TupleExpression const& _tuple) } else types.push_back(TypePointer()); - _tuple.annotation().type = make_shared<TupleType>(types); + if (components.size() == 1) + _tuple.annotation().type = type(*components[0]); + else + _tuple.annotation().type = make_shared<TupleType>(types); // If some of the components are not LValues, the error is reported above. _tuple.annotation().isLValue = true; } diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp index 2fd0b2c4..b0e92b59 100644 --- a/libsolidity/codegen/ExpressionCompiler.cpp +++ b/libsolidity/codegen/ExpressionCompiler.cpp @@ -233,7 +233,12 @@ bool ExpressionCompiler::visit(TupleExpression const& _tuple) else if (_tuple.annotation().lValueRequested) lvalues.push_back(unique_ptr<LValue>()); if (_tuple.annotation().lValueRequested) - m_currentLValue.reset(new TupleObject(m_context, move(lvalues))); + { + if (_tuple.components().size() == 1) + m_currentLValue = move(lvalues[0]); + else + m_currentLValue.reset(new TupleObject(m_context, move(lvalues))); + } return false; } |