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HackStudio: Implement custom JS -> C++ "proxy" objects

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This patch adds a custom JS Object type that will convert written
properties to their C++ equivalents, reflecting JS writes back
to the debugging session. This is better than a simple proxy because
printing this custom object works as expected because properties
still exist on the object as existing handlers expect.
This commit is contained in:
FalseHonesty 2021-04-12 21:59:15 -04:00 • committed by Linus Groh
parent 60d329a186
commit 4f2c0e9968
Notes: sideshowbarker 2024-07-18 19:06:09 +09:00
5 changed files with 111 additions and 36 deletions
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35
Userland/DevTools/HackStudio/Debugger/DebuggerVariableJSObject.h Normal file
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/*
* Copyright (c) 2021, Matthew Olsson <matthewcolsson@gmail.com>
* Copyright (c) 2021, Hunter Salyer <thefalsehonesty@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "DebuggerGlobalJSObject.h"
#include <LibDebug/DebugInfo.h>
#include <LibJS/Runtime/Object.h>
namespace HackStudio {
class DebuggerVariableJSObject final : public JS::Object {
JS_OBJECT(DebuggerVariableJSObject, JS::Object);
public:
static DebuggerVariableJSObject* create(DebuggerGlobalJSObject&, const Debug::DebugInfo::VariableInfo& variable_info);
DebuggerVariableJSObject(const Debug::DebugInfo::VariableInfo& variable_info, JS::Object& prototype);
virtual ~DebuggerVariableJSObject() override;
virtual bool put(const JS::PropertyName& name, JS::Value value, JS::Value) override;
void finish_writing_properties() { m_is_writing_properties = false; }
private:
DebuggerGlobalJSObject& debugger_object() const;
const Debug::DebugInfo::VariableInfo& m_variable_info;
bool m_is_writing_properties { true };
};
}