mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2015
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* Object containing the type and other annotations for the AST nodes.
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*/
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#pragma once
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#include <map>
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#include <memory>
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#include <vector>
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#include <libsolidity/ASTForward.h>
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namespace dev
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{
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namespace solidity
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{
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class Type;
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using TypePointer = std::shared_ptr<Type const>;
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struct ASTAnnotation
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{
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virtual ~ASTAnnotation() {}
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};
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struct ContractDefinitionAnnotation: ASTAnnotation
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{
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/// Whether all functions are implemented.
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bool isFullyImplemented = true;
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/// List of all (direct and indirect) base contracts in order from derived to
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/// base, including the contract itself.
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std::vector<ContractDefinition const*> linearizedBaseContracts;
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};
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struct VariableDeclarationAnnotation: ASTAnnotation
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{
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/// Type of variable (type of identifier referencing this variable).
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TypePointer type;
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};
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struct ReturnAnnotation: ASTAnnotation
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{
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/// Reference to the return parameters of the function.
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ParameterList const* functionReturnParameters = nullptr;
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};
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struct TypeNameAnnotation: ASTAnnotation
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{
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/// Type declared by this type name, i.e. type of a variable where this type name is used.
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/// Set during reference resolution stage.
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TypePointer type;
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};
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struct UserDefinedTypeNameAnnotation: TypeNameAnnotation
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{
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/// Referenced declaration, set during reference resolution stage.
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Declaration const* referencedDeclaration = nullptr;
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};
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struct ExpressionAnnotation: ASTAnnotation
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{
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/// Inferred type of the expression.
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TypePointer type;
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/// Whether it is an LValue (i.e. something that can be assigned to).
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bool isLValue = false;
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/// Whether the expression is used in a context where the LValue is actually required.
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bool lValueRequested = false;
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/// Types of arguments if the expression is a function that is called - used
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/// for overload resolution.
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std::shared_ptr<std::vector<TypePointer>> argumentTypes;
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};
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struct IdentifierAnnotation: ExpressionAnnotation
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{
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/// Stores a reference to the current contract.
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/// This is needed because types of base contracts change depending on the context.
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ContractDefinition const* contractScope = nullptr;
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/// Referenced declaration, set at latest during overload resolution stage.
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Declaration const* referencedDeclaration = nullptr;
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/// List of possible declarations it could refer to.
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std::vector<Declaration const*> overloadedDeclarations;
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};
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struct MemberAccessAnnotation: ExpressionAnnotation
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{
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/// Referenced declaration, set at latest during overload resolution stage.
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Declaration const* referencedDeclaration = nullptr;
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};
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struct BinaryOperationAnnotation: ExpressionAnnotation
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{
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/// The common type that is used for the operation, not necessarily the result type (which
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/// e.g. for comparisons is bool).
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TypePointer commonType;
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};
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struct FunctionCallAnnotation: ExpressionAnnotation
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{
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/// Whether this is an explicit type conversion.
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bool isTypeConversion = false;
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/// Whether this is a struct constructor call.
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bool isStructConstructorCall = false;
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};
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}
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}
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