80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
#include <pddlparse/detail/parsing/InitialState.h>
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#include <pddlparse/AST.h>
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// TODO: remove
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#include <pddlparse/detail/parsing/Utils.h>
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namespace pddl
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{
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namespace detail
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{
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// InitialState
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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ast::InitialState parseInitialState(Context &context, ASTContext &)
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{
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auto &tokenizer = context.tokenizer;
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ast::InitialState initialState;
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// TODO: reimplement
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/*const auto parseInitialStateElement =
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[&]() -> ExpressionPointer
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{
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ExpressionPointer expression;
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// TODO: do not allow negative initial state literals
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if ((expression = parseLiteral(context, expressionContext))
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|| (expression = expressions::At::parse(context, expressionContext, parseLiteral)))
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{
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return expression;
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}
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const auto position = tokenizer.position();
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tokenizer.expect<std::string>("(");
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const auto expressionIdentifierPosition = tokenizer.position();
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if (tokenizer.testIdentifierAndSkip("="))
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{
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tokenizer.seek(expressionIdentifierPosition);
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const auto expressionIdentifier = tokenizer.getIdentifier();
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tokenizer.seek(position);
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return expressions::Unsupported::parse(context);
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}
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tokenizer.seek(expressionIdentifierPosition);
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const auto expressionIdentifier = tokenizer.getIdentifier();
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tokenizer.seek(position);
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throw tokenize::TokenizerException(tokenizer.location(), "expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
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};
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tokenizer.skipWhiteSpace();
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while (tokenizer.currentCharacter() != ')')
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{
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ast::Expression expression;
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if ((expression = parseInitialStateElement()))
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initialState->m_facts.emplace_back(std::move(expression));
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tokenizer.skipWhiteSpace();
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}*/
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skipSection(tokenizer);
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return initialState;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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}
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}
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