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LanguageServers/Cpp: ParserAutoComplete engine inspects header files

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... and performs preprocessing on the source code before parsing.

To support this, we are now able to keep track of multiple
files in the autocomplete engine. We re-parse a file whenever it is
edited.
This commit is contained in:
Itamar 2021-02-06 16:27:39 +02:00 • committed by Andreas Kling
parent 02038a0ede
commit 72fdab7bfb
4 changed files with 170 additions and 48 deletions
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44
Userland/DevTools/HackStudio/LanguageServers/Cpp/ParserAutoComplete.h
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@ -26,41 +26,59 @@
#pragma once
#include "LibCpp/AST.h"
#include "AutoCompleteEngine.h"
#include "FileDB.h"
#include <AK/String.h>
#include <AK/Vector.h>
#include <DevTools/HackStudio/AutoCompleteResponse.h>
#include <LibCpp/AST.h>
#include <LibCpp/Parser.h>
#include <LibCpp/Preprocessor.h>
#include <LibGUI/TextPosition.h>
namespace LanguageServers::Cpp {
using namespace ::Cpp;
class ParserAutoComplete {
class ParserAutoComplete : public AutoCompleteEngine {
public:
ParserAutoComplete(const String& code);
ParserAutoComplete(const FileDB& filedb);
Vector<GUI::AutocompleteProvider::Entry> get_suggestions(const GUI::TextPosition& autocomplete_position) const;
virtual Vector<GUI::AutocompleteProvider::Entry> get_suggestions(const String& file, const GUI::TextPosition& autocomplete_position) override;
virtual void on_edit(const String& file) override;
virtual void file_opened([[maybe_unused]] const String& file) override;
private:
Vector<GUI::AutocompleteProvider::Entry> autocomplete_property(const MemberExpression&, const StringView partial_text) const;
Vector<GUI::AutocompleteProvider::Entry> autocomplete_identifier(const ASTNode&) const;
String type_of(const Expression&) const;
String type_of_property(const Identifier&) const;
struct DocumentData {
DocumentData(String&& text);
String text;
Preprocessor preprocessor;
Parser parser;
};
Vector<GUI::AutocompleteProvider::Entry> autocomplete_property(const DocumentData&, const MemberExpression&, const StringView partial_text) const;
Vector<GUI::AutocompleteProvider::Entry> autocomplete_identifier(const DocumentData&, const ASTNode&) const;
String type_of(const DocumentData&, const Expression&) const;
String type_of_property(const DocumentData&, const Identifier&) const;
String type_of_variable(const Identifier&) const;
bool is_property(const ASTNode&) const;
bool is_empty_property(const ASTNode&, const Position& autocomplete_position) const;
bool is_empty_property(const DocumentData&, const ASTNode&, const Position& autocomplete_position) const;
struct PropertyInfo {
StringView name;
RefPtr<Type> type;
};
Vector<PropertyInfo> properties_of_type(const String& type) const;
Vector<PropertyInfo> properties_of_type(const DocumentData& document, const String& type) const;
NonnullRefPtrVector<Declaration> get_declarations_in_outer_scope_including_headers(const DocumentData& document) const;
private:
String m_code;
Cpp::Parser m_parser;
const DocumentData& get_document_data(const String& file) const;
const DocumentData& get_or_create_document_data(const String& file);
void set_document_data(const String& file, OwnPtr<DocumentData>&& data);
OwnPtr<DocumentData> create_document_data_for(const String& file);
String document_path_from_include_path(const StringView& include_path) const;
HashMap<String, OwnPtr<DocumentData>> m_documents;
};
}