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Disallow conversion between unrelated contract types.

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chriseth
2018-08-01 11:04:35 +01:00
committed by Alex Beregszaszi
parent 21888e246b
commit c8232d9759
16 changed files with 99 additions and 16 deletions
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libsolidity/ast/Types.h
+2 -2
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@@ -692,9 +692,9 @@ public:
virtual Category category() const override { return Category::Contract; }
explicit ContractType(ContractDefinition const& _contract, bool _super = false):
m_contract(_contract), m_super(_super) {}
/// Contracts can be implicitly converted to super classes and to addresses.
/// Contracts can be implicitly converted only to base contracts.
virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
/// Contracts can be converted to themselves and to integers.
/// Contracts can only be explicitly converted to address types and base contracts.
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
virtual std::string richIdentifier() const override;