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LanguageServers/Cpp: Add 'FindDeclaration' capability

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The C++ LanguageServer can now find the matching declaration for
variable names, function calls, struct/class types and properties.

When clicking on one of the above with Ctrl pressed, HackStudio will
ask the language server to find a matching declaration, and navigate
to the result in the Editor. :^)
This commit is contained in:
Itamar 2021-02-20 12:27:39 +02:00 • committed by Andreas Kling
parent d3ff82ba80
commit 5bc82c0185
12 changed files with 150 additions and 38 deletions
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5
Userland/DevTools/HackStudio/LanguageServers/Cpp/ParserAutoComplete.h
View file

@ -47,10 +47,11 @@ public:
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;
virtual Optional<ProjectPosition> find_declaration_of(const String& file_name, const GUI::TextPosition& identifier_position) override;
private:
struct DocumentData {
DocumentData(String&& text);
DocumentData(String&& text, const String& filename);
String text;
Preprocessor preprocessor;
Parser parser;
@ -63,6 +64,8 @@ private:
String type_of_variable(const Identifier&) const;
bool is_property(const ASTNode&) const;
bool is_empty_property(const DocumentData&, const ASTNode&, const Position& autocomplete_position) const;
RefPtr<Declaration> find_declaration_of(const DocumentData&, const ASTNode&) const;
NonnullRefPtrVector<Declaration> get_available_declarations(const DocumentData&, const ASTNode&) const;
struct PropertyInfo {
StringView name;