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| author | chriseth <chris@ethereum.org> | 2017-08-16 19:52:06 +0800 |
|---|---|---|
| committer | chriseth <chris@ethereum.org> | 2017-08-16 19:54:28 +0800 |
| commit | 3d595d4b149e590138f35a6f535c0a20a28e6f04 (patch) | |
| tree | eb1cc0d4735e34f121684d6099f4f0c663b850ef /libsolidity/analysis/TypeChecker.cpp | |
| parent | 83561e136c992287211f348e0b7bd85b8087fe23 (diff) | |
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Warn about shift of literals.
Diffstat (limited to 'libsolidity/analysis/TypeChecker.cpp')
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index dbc95c4f..ca848dd0 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -1305,8 +1305,9 @@ void TypeChecker::endVisit(BinaryOperation const& _operation) _operation.leftExpression().annotation().isPure && _operation.rightExpression().annotation().isPure; - if (_operation.getOperator() == Token::Exp) + if (_operation.getOperator() == Token::Exp || _operation.getOperator() == Token::SHL) { + string operation = _operation.getOperator() == Token::Exp ? "exponentiation" : "shift"; if ( leftType->category() == Type::Category::RationalNumber && rightType->category() != Type::Category::RationalNumber @@ -1320,7 +1321,7 @@ void TypeChecker::endVisit(BinaryOperation const& _operation) )) m_errorReporter.warning( _operation.location(), - "Result of exponentiation has type " + commonType->toString() + " and thus " + "Result of " + operation + " has type " + commonType->toString() + " and thus " "might overflow. Silence this warning by converting the literal to the " "expected type." ); |