LibJS: Implement constructor/non-constructor function calls

This adds Function::construct() for constructor function calls via `new` keyword. NativeFunction doesn't have constructor behaviour by default, ScriptFunction simply calls call() in construct()
Author: https://github.com/linusg Commit: 849e2c77e4 Pull-request: https://github.com/SerenityOS/serenity/pull/1546 Reviewed-by: https://github.com/awesomekling Reviewed-by: https://github.com/bugaevc
2025-07-29 04:09:13 +00:00 · 2020-04-01 18:31:24 +01:00 · 2020-04-01 18:31:24 +01:00 · 849e2c77e4 · 2024-07-19 08:00:53 +09:00
commit 849e2c77e4
parent a27884e4be
11 changed files with 66 additions and 1 deletions
--- a/Libraries/LibJS/Runtime/DateConstructor.cpp
+++ b/Libraries/LibJS/Runtime/DateConstructor.cpp
@ -46,6 +46,14 @@ DateConstructor::~DateConstructor()
 }

 Value DateConstructor::call(Interpreter& interpreter)
+{
+    auto* date = static_cast<Date*>(construct(interpreter).as_object());
+    if (!date)
+        return {};
+    return js_string(interpreter.heap(), date->string());
+}
+
+Value DateConstructor::construct(Interpreter& interpreter)
 {
    // TODO: Support args
    struct timeval tv;