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46 lines
1.6 KiB
46 lines
1.6 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBTEXTCLASSIFIER_UTILS_GRAMMAR_SEMANTICS_EVAL_CONTEXT_H_
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#define LIBTEXTCLASSIFIER_UTILS_GRAMMAR_SEMANTICS_EVAL_CONTEXT_H_
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#include <unordered_map>
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#include "utils/grammar/parsing/parse-tree.h"
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#include "utils/grammar/semantics/value.h"
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#include "utils/grammar/text-context.h"
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namespace libtextclassifier3::grammar {
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// Context for the evaluation of the semantic expression of a rule parse tree.
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// This contains data about the evaluated constituents (named parts) of a rule
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// and it's match.
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struct EvalContext {
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// The input text.
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const TextContext* text_context = nullptr;
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// The syntactic parse tree that is begin evaluated.
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const ParseTree* parse_tree = nullptr;
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// A map of an id of a rule constituent (named part of a rule match) to it's
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// evaluated semantic value.
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std::unordered_map<int, const SemanticValue*> rule_constituents;
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};
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} // namespace libtextclassifier3::grammar
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#endif // LIBTEXTCLASSIFIER_UTILS_GRAMMAR_SEMANTICS_EVAL_CONTEXT_H_
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