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| author | Christian <c@ethdev.com> | 2014-11-11 00:31:09 +0800 |
|---|---|---|
| committer | Christian <c@ethdev.com> | 2014-11-14 21:08:14 +0800 |
| commit | 46dd62982084dfe5712292b88047d2a58e0a420e (patch) | |
| tree | fda7b3871e7de54cbb4cdab8cf3add6ff6090f42 /Types.h | |
| parent | c4a65cf6888f6b15fa7740b6db5d9dae8f18b7ba (diff) | |
| download | dexon-solidity-46dd62982084dfe5712292b88047d2a58e0a420e.tar.gz dexon-solidity-46dd62982084dfe5712292b88047d2a58e0a420e.tar.zst dexon-solidity-46dd62982084dfe5712292b88047d2a58e0a420e.zip | |
Mapping types.
Diffstat (limited to 'Types.h')
| -rw-r--r-- | Types.h | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -35,7 +35,7 @@ namespace dev namespace solidity { -// @todo realMxN, string<N>, mapping +// @todo realMxN, string<N> /** * Abstract base class that forms the root of the type hierarchy. @@ -78,6 +78,8 @@ public: /// @returns number of bytes required to hold this value in storage. /// For dynamically "allocated" types, it returns the size of the statically allocated head, virtual u256 getStorageSize() const { return 1; } + /// Returns false if the type cannot live outside the storage, i.e. if it includes some mapping. + virtual bool canLiveOutsideStorage() const { return true; } virtual std::string toString() const = 0; virtual u256 literalValue(Literal const&) const @@ -182,6 +184,8 @@ public: virtual bool operator==(Type const& _other) const override; virtual u256 getStorageSize() const; + //@todo it can, if its members can + virtual bool canLiveOutsideStorage() const { return false; } virtual std::string toString() const override { return "struct{...}"; } private: @@ -202,6 +206,7 @@ public: virtual bool operator==(Type const& _other) const override; virtual std::string toString() const override { return "function(...)returns(...)"; } virtual u256 getStorageSize() const { BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Storage size of non-storable function type requested.")); } + virtual bool canLiveOutsideStorage() const { return false; } private: FunctionDefinition const& m_function; @@ -214,11 +219,15 @@ class MappingType: public Type { public: virtual Category getCategory() const override { return Category::MAPPING; } - MappingType() {} + MappingType(std::shared_ptr<Type const> _keyType, std::shared_ptr<Type const> _valueType): + m_keyType(_keyType), m_valueType(_valueType) {} virtual bool operator==(Type const& _other) const override; virtual std::string toString() const override { return "mapping(...=>...)"; } + virtual bool canLiveOutsideStorage() const { return false; } + std::shared_ptr<Type const> getKeyType() const { return m_keyType; } + std::shared_ptr<Type const> getValueType() const { return m_valueType; } private: std::shared_ptr<Type const> m_keyType; std::shared_ptr<Type const> m_valueType; @@ -236,6 +245,7 @@ public: virtual std::string toString() const override { return "void"; } virtual u256 getStorageSize() const { BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Storage size of non-storable void type requested.")); } + virtual bool canLiveOutsideStorage() const { return false; } }; /** @@ -252,6 +262,7 @@ public: virtual bool operator==(Type const& _other) const override; virtual u256 getStorageSize() const { BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Storage size of non-storable type type requested.")); } + virtual bool canLiveOutsideStorage() const { return false; } virtual std::string toString() const override { return "type(" + m_actualType->toString() + ")"; } private: |