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Unary + now a synax error (experimental 0.5.0)

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The unary + was deprecated with a warning, but will be elevated to an
error in 0.5.0.  This adds the syntax error for the 0.5.0 pragma, and
for a true 0.5.0 release we should consider removing the operator from
the parser.
This commit is contained in:
Rhett Aultman
2017-09-29 17:50:25 +01:00
committed by Alex Beregszaszi
parent 466cce58df
commit e434437eb7
3 changed files with 34 additions and 1 deletions
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libsolidity/analysis/SyntaxChecker.cpp
+8 -1
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@@ -182,8 +182,15 @@ bool SyntaxChecker::visit(Throw const& _throwStatement)
bool SyntaxChecker::visit(UnaryOperation const& _operation)
{
bool const v050 = m_sourceUnit->annotation().experimentalFeatures.count(ExperimentalFeature::V050);
if (_operation.getOperator() == Token::Add)
m_errorReporter.warning(_operation.location(), "Use of unary + is deprecated.");
{
if (v050)
m_errorReporter.syntaxError(_operation.location(), "Use of unary + is deprecated.");
else
m_errorReporter.warning(_operation.location(), "Use of unary + is deprecated.");
}
return true;
}