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/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "AutoComplete.h"
#include <AK/HashTable.h>
#include <LibLine/SuggestionManager.h>
#include <Shell/AST.h>
#include <Shell/Parser.h>
#include <Shell/Shell.h>
// #define DEBUG_AUTOCOMPLETE
namespace LanguageServers::Shell {
Vector<AutoCompleteResponse> AutoComplete::get_suggestions(const String& code, size_t offset)
{
// FIXME: No need to reparse this every time!
auto ast = ::Shell::Parser { code }.parse();
if (!ast)
return {};
#ifdef DEBUG_AUTOCOMPLETE
dbgln("Complete '{}'", code);
ast->dump(1);
dbgln("At offset {}", offset);
#endif
auto result = ast->complete_for_editor(m_shell, offset);
Vector<AutoCompleteResponse> completions;
for (auto& entry : result) {
#ifdef DEBUG_AUTOCOMPLETE
dbgln("Suggestion: '{}' starting at {}", entry.text_string, entry.input_offset);
#endif
completions.append({ entry.text_string, entry.input_offset });
}
return completions;
}
}
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