LibJS: Dump a JavaScript backtrace when throwing exceptions

Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/72df9c74174
2020-04-16 20:23:03 +02:00 · 2020-04-16 20:23:03 +02:00 · 72df9c7417 · 2024-07-19 07:32:31 +09:00
commit 72df9c7417
parent 2db2b8b0ef
1 changed files with 7 additions and 0 deletions
--- a/Libraries/LibJS/Interpreter.cpp
+++ b/Libraries/LibJS/Interpreter.cpp
@ -219,6 +219,13 @@ Value Interpreter::throw_exception(Exception* exception)
    if (exception->value().is_object() && exception->value().as_object().is_error()) {
        auto& error = static_cast<Error&>(exception->value().as_object());
        dbg() << "Throwing JavaScript Error: " << error.name() << ", " << error.message();
+
+        for (ssize_t i = m_call_stack.size() - 1; i >= 0; --i) {
+            auto function_name = m_call_stack[i].function_name;
+            if (function_name.is_empty())
+                function_name = "<anonymous>";
+            dbg() << "  " << function_name;
+        }
    }
    m_exception = exception;
    unwind(ScopeType::Try);