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Refactored annotations.

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chriseth
2015-09-21 20:03:10 +02:00
parent 34a81fd60e
commit 39d1e2bc06
8 changed files with 188 additions and 47 deletions
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libsolidity/ASTAnnotations.h
+73 -28
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@@ -25,54 +25,99 @@
#include <map>
#include <memory>
#include <vector>
#include <libsolidity/ASTForward.h>
namespace dev
{
namespace solidity
{
class ASTNode;
class ContractDefinition;
class Declaration;
class ParameterList;
class Type;
using TypePointer = std::shared_ptr<Type const>;
struct ASTAnnotation
{
///@TODO save space here - we do not need all members for all types.
virtual ~ASTAnnotation() {}
};
/// For expression: Inferred type. - For type declaration: Declared type. - For variable declaration: Type of variable.
TypePointer type;
/// For expression: Whether it is an LValue (i.e. something that can be assigned to).
bool isLValue = false;
/// For expression: Whether the expression is used in a context where the LValue is actually required.
bool lValueRequested = false;
/// For expressions: Types of arguments if the expression is a function that is called - used
/// for overload resolution.
std::shared_ptr<std::vector<TypePointer>> argumentTypes;
/// For contract: Whether all functions are implemented.
struct ContractDefinitionAnnotation: ASTAnnotation
{
/// Whether all functions are implemented.
bool isFullyImplemented = true;
/// For contract: List of all (direct and indirect) base contracts in order from derived to
/// List of all (direct and indirect) base contracts in order from derived to
/// base, including the contract itself.
std::vector<ContractDefinition const*> linearizedBaseContracts;
/// For member access and Identifer: Referenced declaration, set during overload resolution stage.
Declaration const* referencedDeclaration = nullptr;
/// For Identifier: List of possible declarations it could refer to.
std::vector<Declaration const*> overloadedDeclarations;
/// For function call: Whether this is an explicit type conversion.
bool isTypeConversion = false;
/// For function call: Whether this is a struct constructor call.
bool isStructConstructorCall = false;
/// For Return statement: Reference to the return parameters of the function.
};
struct VariableDeclarationAnnotation: ASTAnnotation
{
/// Type of variable (type of identifier referencing this variable).
TypePointer type;
};
struct ReturnAnnotation: ASTAnnotation
{
/// Reference to the return parameters of the function.
ParameterList const* functionReturnParameters = nullptr;
/// For Identifier: Stores a reference to the current contract.
};
struct TypeNameAnnotation: ASTAnnotation
{
/// Type declared by this type name, i.e. type of a variable where this type name is used.
/// Set during reference resolution stage.
TypePointer type;
};
struct UserDefinedTypeNameAnnotation: TypeNameAnnotation
{
/// Referenced declaration, set during reference resolution stage.
Declaration const* referencedDeclaration = nullptr;
};
struct ExpressionAnnotation: ASTAnnotation
{
/// Inferred type of the expression.
TypePointer type;
/// Whether it is an LValue (i.e. something that can be assigned to).
bool isLValue = false;
/// Whether the expression is used in a context where the LValue is actually required.
bool lValueRequested = false;
/// Types of arguments if the expression is a function that is called - used
/// for overload resolution.
std::shared_ptr<std::vector<TypePointer>> argumentTypes;
};
struct IdentifierAnnotation: ExpressionAnnotation
{
/// Stores a reference to the current contract.
/// This is needed because types of base contracts change depending on the context.
ContractDefinition const* contractScope = nullptr;
/// For BinaryOperation: The common type that is used for the operation, not necessarily the result type (e.g. for
/// comparisons, this is always bool).
/// Referenced declaration, set at latest during overload resolution stage.
Declaration const* referencedDeclaration = nullptr;
/// List of possible declarations it could refer to.
std::vector<Declaration const*> overloadedDeclarations;
};
struct MemberAccessAnnotation: ExpressionAnnotation
{
/// Referenced declaration, set at latest during overload resolution stage.
Declaration const* referencedDeclaration = nullptr;
};
struct BinaryOperationAnnotation: ExpressionAnnotation
{
/// The common type that is used for the operation, not necessarily the result type (which
/// e.g. for comparisons is bool).
TypePointer commonType;
};
struct FunctionCallAnnotation: ExpressionAnnotation
{
/// Whether this is an explicit type conversion.
bool isTypeConversion = false;
/// Whether this is a struct constructor call.
bool isStructConstructorCall = false;
};
}
}