64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
#ifndef __PLASP__PDDL__EXPRESSION__N_ARY_EXPRESSION_H
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#define __PLASP__PDDL__EXPRESSION__N_ARY_EXPRESSION_H
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#include <memory>
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#include <string>
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#include <vector>
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#include <plasp/pddl/ConsistencyException.h>
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#include <plasp/pddl/Expression.h>
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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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namespace expressions
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// NAryExpression
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NAryExpression: public Expression
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{
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public:
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const std::vector<std::unique_ptr<Expression>> &arguments() const;
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protected:
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template<typename ExpressionParser>
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void parse(utils::Parser &parser, Context &context, const Variables ¶meters, ExpressionParser parseExpression);
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private:
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std::vector<std::unique_ptr<Expression>> m_arguments;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<typename ExpressionParser>
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void NAryExpression::parse(utils::Parser &parser, Context &context, const Variables ¶meters, ExpressionParser parseExpression)
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{
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std::cout << "Parsing n-ary predicate" << std::endl;
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parser.skipWhiteSpace();
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// Assume that expression identifier (and, or, etc.) is already parsed
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// Parse arguments of the expression
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while (parser.currentCharacter() != ')')
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{
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m_arguments.emplace_back(parseExpression(parser, context, parameters));
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parser.skipWhiteSpace();
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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}
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}
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#endif
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