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LanguageServers/Cpp: Update client asynchronously about symbols

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As a document is parsed, the language server updates the client
asynchronously about symbol declarations it finds.
This commit is contained in:
Itamar 2021-02-27 09:42:57 +02:00 • committed by Andreas Kling
parent 71c7597130
commit a94b5376bc
12 changed files with 83 additions and 19 deletions
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35
Userland/DevTools/HackStudio/LanguageServers/Cpp/ParserAutoComplete.cpp
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@ -27,6 +27,7 @@
#include "ParserAutoComplete.h"
#include <AK/Assertions.h>
#include <AK/HashTable.h>
#include <DevTools/HackStudio/LanguageServers/Cpp/ClientConnection.h>
#include <LibCpp/AST.h>
#include <LibCpp/Lexer.h>
#include <LibCpp/Parser.h>
@ -35,8 +36,8 @@
namespace LanguageServers::Cpp {
ParserAutoComplete::ParserAutoComplete(const FileDB& filedb)
: AutoCompleteEngine(filedb)
ParserAutoComplete::ParserAutoComplete(ClientConnection& connection, const FileDB& filedb)
: AutoCompleteEngine(connection, filedb)
{
}
@ -71,6 +72,9 @@ OwnPtr<ParserAutoComplete::DocumentData> ParserAutoComplete::create_document_dat
#ifdef CPP_LANGUAGE_SERVER_DEBUG
root->dump(0);
#endif
update_declared_symbols(*document_data);
return move(document_data);
}
@ -79,8 +83,9 @@ void ParserAutoComplete::set_document_data(const String& file, OwnPtr<DocumentDa
m_documents.set(filedb().to_absolute_path(file), move(data));
}
ParserAutoComplete::DocumentData::DocumentData(String&& _text, const String& filename)
: text(move(_text))
ParserAutoComplete::DocumentData::DocumentData(String&& _text, const String& _filename)
: filename(_filename)
, text(move(_text))
, preprocessor(text.view())
, parser(preprocessor.process().view(), filename)
{
@ -360,4 +365,26 @@ RefPtr<Declaration> ParserAutoComplete::find_declaration_of(const DocumentData&
return {};
}
void ParserAutoComplete::update_declared_symbols(const DocumentData& document)
{
Vector<GUI::AutocompleteProvider::Declaration> declarations;
for (auto& decl : document.parser.root_node()->declarations()) {
declarations.append({ decl.name(), { document.filename, decl.start().line, decl.start().column }, type_of_declaration(decl) });
}
set_declarations_of_document(document.filename, move(declarations));
}
GUI::AutocompleteProvider::DeclarationType ParserAutoComplete::type_of_declaration(const Declaration& decl)
{
if (decl.is_struct())
return GUI::AutocompleteProvider::DeclarationType::Struct;
if (decl.is_class())
return GUI::AutocompleteProvider::DeclarationType::Class;
if (decl.is_function())
return GUI::AutocompleteProvider::DeclarationType::Function;
if (decl.is_variable_declaration())
return GUI::AutocompleteProvider::DeclarationType::Variable;
return GUI::AutocompleteProvider::DeclarationType::Variable;
}
}