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Disallow comparisons between some types.

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This commit is contained in:
chriseth
2017-06-26 16:30:36 +02:00
parent d2445dfdce
commit f47e6e90fb
4 changed files with 16 additions and 5 deletions
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libsolidity/ast/Types.h
+4 -5
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@@ -933,6 +933,7 @@ public:
virtual bool operator==(Type const& _other) const override;
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override;
virtual std::string canonicalName(bool /*_addDataLocation*/) const override;
virtual std::string toString(bool _short) const override;
virtual unsigned calldataEncodedSize(bool _padded) const override;
@@ -1038,6 +1039,7 @@ public:
virtual std::string toString(bool _short) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;
virtual bool canLiveOutsideStorage() const override { return false; }
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
virtual TypePointer encodingType() const override
{
return std::make_shared<IntegerType>(256);
@@ -1116,11 +1118,7 @@ public:
explicit ModuleType(SourceUnit const& _source): m_sourceUnit(_source) {}
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override
{
return TypePointer();
}
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
virtual std::string identifier() const override;
virtual bool operator==(Type const& _other) const override;
virtual bool canBeStored() const override { return false; }
@@ -1178,6 +1176,7 @@ public:
virtual std::string identifier() const override { return "t_inaccessible"; }
virtual bool isImplicitlyConvertibleTo(Type const&) const override { return false; }
virtual bool isExplicitlyConvertibleTo(Type const&) const override { return false; }
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
virtual unsigned calldataEncodedSize(bool _padded) const override { (void)_padded; return 32; }
virtual bool canBeStored() const override { return false; }
virtual bool canLiveOutsideStorage() const override { return false; }