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| author | Alex Beregszaszi <alex@rtfs.hu> | 2018-03-27 21:38:28 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2018-03-27 22:49:41 +0800 |
| commit | b540ba527a70df440299de9c0bf44f9d11ac6ef6 (patch) | |
| tree | e9a57df2cabfc118ba92f671d66f430c1936ec2c /libsolidity | |
| parent | 62559cf1278afc417d19ec181e2bced364cadea2 (diff) | |
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Disallow empty structs
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/analysis/SyntaxChecker.cpp | 7 | ||||
| -rw-r--r-- | libsolidity/analysis/SyntaxChecker.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/libsolidity/analysis/SyntaxChecker.cpp b/libsolidity/analysis/SyntaxChecker.cpp index ddac194b..e03417a9 100644 --- a/libsolidity/analysis/SyntaxChecker.cpp +++ b/libsolidity/analysis/SyntaxChecker.cpp @@ -255,3 +255,10 @@ bool SyntaxChecker::visit(VariableDeclaration const& _declaration) } return true; } + +bool SyntaxChecker::visit(StructDefinition const& _struct) +{ + if (_struct.members().empty()) + m_errorReporter.syntaxError(_struct.location(), "Defining empty structs is disallowed."); + return true; +} diff --git a/libsolidity/analysis/SyntaxChecker.h b/libsolidity/analysis/SyntaxChecker.h index 871bf0a9..1579df57 100644 --- a/libsolidity/analysis/SyntaxChecker.h +++ b/libsolidity/analysis/SyntaxChecker.h @@ -71,6 +71,8 @@ private: virtual bool visit(VariableDeclaration const& _declaration) override; + virtual bool visit(StructDefinition const& _struct) override; + ErrorReporter& m_errorReporter; /// Flag that indicates whether a function modifier actually contains '_'. |