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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/String.h>
#include <LibJS/AST.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/Exception.h>
#include <LibJS/Runtime/VM.h>
namespace JS {
Exception::Exception(Value value)
: m_value(value)
{
auto& vm = this->vm();
m_traceback.ensure_capacity(vm.execution_context_stack().size());
for (ssize_t i = vm.execution_context_stack().size() - 1; i >= 0; i--) {
auto* context = vm.execution_context_stack()[i];
auto function_name = context->function_name;
if (function_name.is_empty())
function_name = "<anonymous>";
m_traceback.empend(
move(function_name),
// We might not have an AST node associated with the execution context, e.g. in promise
// reaction jobs (which aren't called anywhere from the source code).
// They're not going to generate any _unhandled_ exceptions though, so a meaningless
// source range is fine.
context->current_node ? context->current_node->source_range() : SourceRange {});
}
}
void Exception::visit_edges(Visitor& visitor)
{
Cell::visit_edges(visitor);
visitor.visit(m_value);
}
}
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