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serenity/Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.cpp
Ali Mohammad Pur 6d64b13a1b LibDebug+Everywhere: Avoid void* -> FlatPtr -> void* dance
And limit the `void*` to the functions that interface the system (i.e.
ptrace wrappers).
This generally makes the code less riddled with casts.
2022-01-28 22:51:27 +00:00

61 lines
2.2 KiB
C++

/*
* Copyright (c) 2021, Matthew Olsson <matthewcolsson@gmail.com>
* Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "DebuggerVariableJSObject.h"
#include "Debugger.h"
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/PrimitiveString.h>
#include <LibJS/Runtime/PropertyKey.h>
namespace HackStudio {
DebuggerVariableJSObject* DebuggerVariableJSObject::create(DebuggerGlobalJSObject& global_object, const Debug::DebugInfo::VariableInfo& variable_info)
{
return global_object.heap().allocate<DebuggerVariableJSObject>(global_object, variable_info, *global_object.object_prototype());
}
DebuggerVariableJSObject::DebuggerVariableJSObject(const Debug::DebugInfo::VariableInfo& variable_info, JS::Object& prototype)
: JS::Object(prototype)
, m_variable_info(variable_info)
{
}
DebuggerVariableJSObject::~DebuggerVariableJSObject()
{
}
JS::ThrowCompletionOr<bool> DebuggerVariableJSObject::internal_set(const JS::PropertyKey& property_name, JS::Value value, JS::Value)
{
auto& vm = this->vm();
if (!property_name.is_string())
return vm.throw_completion<JS::TypeError>(global_object(), String::formatted("Invalid variable name {}", property_name.to_string()));
auto name = property_name.as_string();
auto it = m_variable_info.members.find_if([&](auto& variable) {
return variable->name == name;
});
if (it.is_end())
return vm.throw_completion<JS::TypeError>(global_object(), String::formatted("Variable of type {} has no property {}", m_variable_info.type_name, property_name));
auto& member = **it;
auto new_value = debugger_object().js_to_debugger(value, member);
if (!new_value.has_value())
return vm.throw_completion<JS::TypeError>(global_object(), String::formatted("Cannot convert JS value {} to variable {} of type {}", value.to_string_without_side_effects(), name, member.type_name));
Debugger::the().session()->poke(member.location_data.address, new_value.value());
return true;
}
DebuggerGlobalJSObject& DebuggerVariableJSObject::debugger_object() const
{
return static_cast<DebuggerGlobalJSObject&>(global_object());
}
}