What is the EX4-to-MQ4 File Decompiler: > 자유게시판

This specialized software, an EX4 to MQ4 converter designed to reverse the compilation process for programs operating via the MT4 trading platform.

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The MetaTrader 4 platform relies on MQL4 for creating custom Expert Advisors (EAs), indicators, and scripts.

The MQ4 file holds the core source code (human-readable code) created by the programmer. This is what you can open and edit in the MetaEditor.

The EX4 file is the ready-to-run, compiled file of the MQ4 code. Developers compile MQ4 files into EX4 files for distribution, as the compiled version executes more quickly on the trading terminal and protects the original source code from being easily accessed or edited.

The decompiler attempts to convert the compiled EX4 file back into a close approximation of the original MQ4 source code.

Purpose and Context
The primary reasons traders or programmers seek to decompile EX4 files include:

Code Recovery: Recovering lost source code (MQ4) for an EA or indicator when only the compiled EX4 file remains after a hard drive failure, for instance.

Modification/Debugging: Accessing the source code to debug, modify, or customize the logic of an indicator or EA.

Analysis: Analyzing the trading logic and algorithms used by a compiled program.

Limitations and Ethics
Key factors to note include:

Newer MT4 Builds: Modern versions of MT4 (Build 600 and later, released since 2014) use a different and more secure compilation method, making decompilation significantly more difficult, if not virtually unfeasible, for most commercial decompilers.

Incomplete Code: Decompilers often produce code that is obfuscated, incomplete, or hard to read, requiring significant developer work to restore functionality.

Legal/Ethical Issues: Decompiling commercial EAs or indicators to steal or replicate the underlying strategy is generally a violation of the developer's intellectual property rights and is often considered a breach of law or ethics.