xref: /arkcompiler/ets_frontend/ets2panda/lexer/templates/keywords.h.erb

/**
 * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Autogenerated file -- DO NOT EDIT!

#ifndef ES2PANDA_LEXER_KEYWORDS_H
#define ES2PANDA_LEXER_KEYWORDS_H

#include "lexer/keywordsBase.h"
#include "utils/span.h"

// NOLINTBEGIN(readability-identifier-naming)

namespace ark::es2panda::lexer {
% token_type_prefix = 'TokenType::'
% Keywords::extensions.each do |extension_name, desc|
% class_name = extension_name.upcase + 'Keywords'
class <%=class_name%> : public Keywords {
public:
    explicit <%=class_name%>(Lexer* lexer, lexer::NextTokenFlags flags) : Keywords(lexer, flags) {}
    NO_COPY_SEMANTIC(<%=class_name%>);
    NO_MOVE_SEMANTIC(<%=class_name%>);
    ~<%=class_name%>() = default;

    Span<const KeywordString> KeywordMap(char32_t cp) const override {
        switch(cp) {
%   desc['keyword_starts'].each do |cp|
        case '<%= cp %>': return Span<const KeywordString>(KEYWORDS_<%= cp %>);
%   end
        default: return Span<const KeywordString>();
        }
    }

    void ScanKeyword(char32_t cp) override {
        ASSERT(cp >= 'a' && cp <= 'z');
        switch(cp) {
%   desc['all_word_starts'].each do |cp|
        case '<%=cp%>': Scan_<%=cp%>(); break;
%   end
        default: Util().ScanIdContinue(); break;
        }
    }

    void HandlePotentialEscapedKeyword(const KeywordString& kws) const override {
        switch(kws.GetTokenType()) {
%   desc['all_words'].select { |kw| kw&.custom_handler&.include? extension_name}.each do |kw|
        case <%=token_type_prefix + kw.token %>: Util().SetKeyword(Handle_<%=kw.name %>(Util(), "<%=kw.name %>", <%=token_type_prefix + kw.token %>)); return;
%   end
        default: if (Util().KeywordToIdent()) {
            return;
        }
        }

        Util().ThrowEscapedKeyword();
    }

%   desc['all_words'].select { |kw| kw&.custom_handler&.include? extension_name}.each do |kw|
    // NOLINTNEXTLINE(readability-identifier-naming)
    static KeywordString Handle_<%= kw.name%>(const KeywordsUtil& util, std::string_view src, TokenType tokenType);
%   end

private:
%   desc['keyword_starts'].each do |cp|
%     kws = desc['keywords'].select { |kw| kw.name[0] == cp }
    static constexpr std::array<const KeywordString, <%= kws.size %>> KEYWORDS_<%= cp %> = {{
%     kws.each do |kw|
        {"<%= kw.name%>", <%= token_type_prefix + kw.token %>},
%     end
    }};
%   end

%   desc['tree'].each do |key, prefixes|
    inline void Scan_<%= key %>()
    {
        switch(Util().Iterator().Peek()) {
%   prefixes.select{|p| !p.nil? }.each do |prefix|
        case '<%=prefix%>': {
            Util().Iterator().Forward(1);
            Scan_<%= key%><%= prefix %>();
            return;
        }
%     end
%     if prefixes.include?(nil)
        default: {
            if (!KeywordsUtil::IsIdentifierPart(Util().Iterator().PeekCp())) {
%       kw_desc = desc['all_words'].find{ |x| x.name == key }
%       if kw_desc&.custom_handler&.include? extension_name
                SetKeyword<Handle_<%=key%>>({"<%=key%>", <%= token_type_prefix + kw_desc.token%>});
%       else
%         token_type =kw_desc.token
%         if kw_desc&.keyword_like&.include? extension_name
%           token_type = 'LITERAL_IDENT'
%         end
                SetKeyword({"<%=key%>", <%=token_type_prefix + token_type%>, <%=token_type_prefix + kw_desc.token%>});
%       end
                return;
            }
            break;
        }
        }
%     else
        default: {
            break;
        }
        }
%     end
%     if desc['keyword_starts'].include?(key[0])
        Util().ScanIdContinueMaybeKeyword(this, Span<const KeywordString>(KEYWORDS_<%= key[0] %>));
%     else
        Util().ScanIdContinue();
%     end
    }

%   end
};
% end
} // namespace ark::es2panda::lexer

// NOLINTEND(readability-identifier-naming)

#endif