From dc5ad899d0ff08aba7022a765e8ec363fa6c1f7e Mon Sep 17 00:00:00 2001 From: Jimmy Vogel Date: Mon, 22 Jan 2018 21:32:47 +0000 Subject: Deprecate the var keyword (and mark it an error as experimental 0.5.0 feature) --- libsolidity/analysis/SyntaxChecker.cpp | 14 ++++++++++++++ libsolidity/analysis/SyntaxChecker.h | 2 ++ 2 files changed, 16 insertions(+) (limited to 'libsolidity/analysis') diff --git a/libsolidity/analysis/SyntaxChecker.cpp b/libsolidity/analysis/SyntaxChecker.cpp index b6cc04da..5a3745b0 100644 --- a/libsolidity/analysis/SyntaxChecker.cpp +++ b/libsolidity/analysis/SyntaxChecker.cpp @@ -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; +} diff --git a/libsolidity/analysis/SyntaxChecker.h b/libsolidity/analysis/SyntaxChecker.h index d5d72f14..871bf0a9 100644 --- a/libsolidity/analysis/SyntaxChecker.h +++ b/libsolidity/analysis/SyntaxChecker.h @@ -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 '_'. -- cgit v1.2.3