Merge pull request #34920 from GodotExplorer/lsp-signatureHelper

GDScript LSP: Implement signatureHelp

1 files changed, 15 insertions, 0 deletions

diff --git a/modules/gdscript/language_server/gdscript_text_document.cpp b/modules/gdscript/language_server/gdscript_text_document.cpp
index b3d1b67af5..33ca4a5d15 100644
--- a/modules/gdscript/language_server/gdscript_text_document.cpp
+++ b/modules/gdscript/language_server/gdscript_text_document.cpp
@@ -50,6 +50,7 @@ void GDScriptTextDocument::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("hover"), &GDScriptTextDocument::hover);
 	ClassDB::bind_method(D_METHOD("definition"), &GDScriptTextDocument::definition);
 	ClassDB::bind_method(D_METHOD("declaration"), &GDScriptTextDocument::declaration);
+	ClassDB::bind_method(D_METHOD("signatureHelp"), &GDScriptTextDocument::signatureHelp);
 	ClassDB::bind_method(D_METHOD("show_native_symbol_in_editor"), &GDScriptTextDocument::show_native_symbol_in_editor);
 }
 
@@ -387,6 +388,20 @@ Variant GDScriptTextDocument::declaration(const Dictionary &p_params) {
 	return arr;
 }
 
+Variant GDScriptTextDocument::signatureHelp(const Dictionary &p_params) {
+	Variant ret;
+
+	lsp::TextDocumentPositionParams params;
+	params.load(p_params);
+
+	lsp::SignatureHelp s;
+	if (OK == GDScriptLanguageProtocol::get_singleton()->get_workspace()->resolve_signature(params, s)) {
+		ret = s.to_json();
+	}
+
+	return ret;
+}
+
 GDScriptTextDocument::GDScriptTextDocument() {
 	file_checker = FileAccess::create(FileAccess::ACCESS_RESOURCES);
 }