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HackStudio: Add tokens_info_result() and tokens_info_result() IPC calls

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These IPC calls are used in the communication with the language server
to fetch semantic information about the tokens in a code document.
This commit is contained in:
Itamar 2022-02-06 22:28:57 +02:00 • committed by Andreas Kling
parent 76000e9137
commit 33043f269d
9 changed files with 130 additions and 2 deletions
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75
Userland/DevTools/HackStudio/LanguageServers/Cpp/CppComprehensionEngine.cpp
View file

@ -894,4 +894,79 @@ Optional<CppComprehensionEngine::FunctionParamsHint> CppComprehensionEngine::get
return hint;
}
Vector<GUI::AutocompleteProvider::TokenInfo> CppComprehensionEngine::get_tokens_info(const String& filename)
{
dbgln_if(CPP_LANGUAGE_SERVER_DEBUG, "CppComprehensionEngine::get_tokens_info: {}", filename);
const auto* document_ptr = get_or_create_document_data(filename);
if (!document_ptr)
return {};
const auto& document = *document_ptr;
Vector<GUI::AutocompleteProvider::TokenInfo> tokens_info;
size_t i = 0;
for (auto const& token : document.preprocessor().unprocessed_tokens()) {
tokens_info.append({ get_token_semantic_type(document, token),
token.start().line, token.start().column, token.end().line, token.end().column });
++i;
}
return tokens_info;
}
GUI::AutocompleteProvider::TokenInfo::SemanticType CppComprehensionEngine::get_token_semantic_type(DocumentData const& document, Token const& token)
{
using GUI::AutocompleteProvider;
switch (token.type()) {
case Cpp::Token::Type::Identifier:
return get_semantic_type_for_identifier(document, token.start());
case Cpp::Token::Type::Keyword:
return AutocompleteProvider::TokenInfo::SemanticType::Keyword;
case Cpp::Token::Type::KnownType:
return AutocompleteProvider::TokenInfo::SemanticType::Type;
case Cpp::Token::Type::DoubleQuotedString:
case Cpp::Token::Type::SingleQuotedString:
case Cpp::Token::Type::RawString:
return AutocompleteProvider::TokenInfo::SemanticType::String;
case Cpp::Token::Type::Integer:
case Cpp::Token::Type::Float:
return AutocompleteProvider::TokenInfo::SemanticType::Number;
case Cpp::Token::Type::IncludePath:
return AutocompleteProvider::TokenInfo::SemanticType::IncludePath;
case Cpp::Token::Type::EscapeSequence:
return AutocompleteProvider::TokenInfo::SemanticType::Keyword;
case Cpp::Token::Type::PreprocessorStatement:
case Cpp::Token::Type::IncludeStatement:
return AutocompleteProvider::TokenInfo::SemanticType::PreprocessorStatement;
case Cpp::Token::Type::Comment:
return AutocompleteProvider::TokenInfo::SemanticType::Comment;
default:
return AutocompleteProvider::TokenInfo::SemanticType::Unknown;
}
}
GUI::AutocompleteProvider::TokenInfo::SemanticType CppComprehensionEngine::get_semantic_type_for_identifier(DocumentData const& document, Position position)
{
auto decl = find_declaration_of(document, GUI::TextPosition { position.line, position.column });
if (!decl)
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Identifier;
if (decl->is_function())
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Function;
if (decl->is_parameter())
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Parameter;
if (decl->is_variable_declaration()) {
if (decl->is_member())
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Member;
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Variable;
}
if (decl->is_struct_or_class())
return GUI::AutocompleteProvider::TokenInfo::SemanticType::CustomType;
if (decl->is_namespace())
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Namespace;
return GUI::AutocompleteProvider::TokenInfo::SemanticType::Identifier;
}
}

4
Userland/DevTools/HackStudio/LanguageServers/Cpp/CppComprehensionEngine.h
View file

@ -30,6 +30,7 @@ public:
virtual void file_opened([[maybe_unused]] const String& file) override;
virtual Optional<GUI::AutocompleteProvider::ProjectLocation> find_declaration_of(const String& filename, const GUI::TextPosition& identifier_position) override;
virtual Optional<FunctionParamsHint> get_function_params_hint(const String&, const GUI::TextPosition&) override;
virtual Vector<GUI::AutocompleteProvider::TokenInfo> get_tokens_info(const String& filename) override;
private:
struct SymbolName {
@ -140,6 +141,9 @@ private:
template<typename Func>
void for_each_included_document_recursive(const DocumentData&, Func) const;
GUI::AutocompleteProvider::TokenInfo::SemanticType get_token_semantic_type(DocumentData const&, Token const&);
GUI::AutocompleteProvider::TokenInfo::SemanticType get_semantic_type_for_identifier(DocumentData const&, Position);
HashMap<String, OwnPtr<DocumentData>> m_documents;
// A document's path will be in this set if we're currently processing it.