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plasp/lib/pddl/src/pddl/detail/parsing/Term.cpp

43 lines
1020 B
C++

#include <pddl/detail/parsing/Term.h>
#include <pddl/Exception.h>
#include <pddl/detail/parsing/Constant.h>
#include <pddl/detail/parsing/Variable.h>
namespace pddl
{
namespace detail
{
////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Term
//
////////////////////////////////////////////////////////////////////////////////////////////////////
std::experimental::optional<ast::Term> parseTerm(Context &context, ASTContext &astContext, VariableStack &variableStack)
{
auto &tokenizer = context.tokenizer;
tokenizer.skipWhiteSpace();
// TODO: refactor
auto variable = parseVariable(context, variableStack);
if (variable)
return std::move(variable.value());
// Parse argument if it is a constant
auto constant = parseConstant(context, astContext);
if (constant)
return std::move(constant.value());
return std::experimental::nullopt;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
}
}