90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
#ifndef __PLASP__PDDL__EXPRESSION_H
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#define __PLASP__PDDL__EXPRESSION_H
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#include <memory>
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#include <boost/variant.hpp>
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#include <plasp/utils/Parser.h>
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namespace plasp
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{
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namespace pddl
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Expression
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class Context;
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class ExpressionVisitor;
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class Expression;
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using ExpressionPointer = std::unique_ptr<Expression>;
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using Expressions = std::vector<ExpressionPointer>;
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namespace expressions
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{
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class And;
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using AndPointer = std::unique_ptr<And>;
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class Constant;
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using ConstantPointer = std::unique_ptr<Constant>;
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using Constants = std::vector<ConstantPointer>;
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class Either;
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using EitherPointer = std::unique_ptr<Either>;
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class Not;
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using NotPointer = std::unique_ptr<Not>;
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class Or;
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using OrPointer = std::unique_ptr<Or>;
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class Predicate;
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using PredicatePointer = std::unique_ptr<Predicate>;
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using Predicates = std::vector<PredicatePointer>;
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class PredicateDeclaration;
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using PredicateDeclarationPointer = std::unique_ptr<PredicateDeclaration>;
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using PredicateDeclarations = std::vector<PredicateDeclarationPointer>;
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class PrimitiveType;
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using PrimitiveTypePointer = std::unique_ptr<PrimitiveType>;
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using PrimitiveTypes = std::vector<PrimitiveTypePointer>;
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template<class Type>
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class Reference;
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template<class Type>
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using ReferencePointer = std::unique_ptr<Reference<Type>>;
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class Variable;
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using VariablePointer = std::unique_ptr<Variable>;
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using Variables = std::vector<VariablePointer>;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class Expression
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{
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public:
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virtual void accept(ExpressionVisitor &expressionVisitor) const = 0;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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ExpressionPointer parsePreconditionExpression(Context &context,
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const expressions::Variables ¶meters);
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ExpressionPointer parseExpression(Context &context, const expressions::Variables ¶meters);
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ExpressionPointer parseEffectExpression(Context &context, const expressions::Variables ¶meters);
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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}
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#endif
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