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Deprecate the var keyword (and mark it an error as experimental 0.5.0 feature)

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This commit is contained in:
Jimmy Vogel
2018-02-12 22:37:26 +00:00
committed by Alex Beregszaszi
parent 8795036919
commit dc5ad899d0
3 changed files with 17 additions and 0 deletions
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libsolidity/analysis/SyntaxChecker.cpp
+14
View File
@@ -224,3 +224,17 @@ bool SyntaxChecker::visit(FunctionTypeName const& _node)
return true;
}
bool SyntaxChecker::visit(VariableDeclaration const& _declaration)
{
bool const v050 = m_sourceUnit->annotation().experimentalFeatures.count(ExperimentalFeature::V050);
if (!_declaration.typeName())
{
if (v050)
m_errorReporter.syntaxError(_declaration.location(), "Use of the \"var\" keyword is deprecated.");
else
m_errorReporter.warning(_declaration.location(), "Use of the \"var\" keyword is deprecated.");
}
return true;
}
libsolidity/analysis/SyntaxChecker.h
+2
View File
@@ -69,6 +69,8 @@ private:
virtual bool visit(FunctionDefinition const& _function) override;
virtual bool visit(FunctionTypeName const& _node) override;
virtual bool visit(VariableDeclaration const& _declaration) override;
ErrorReporter& m_errorReporter;
/// Flag that indicates whether a function modifier actually contains '_'.