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Delphi DCU转PAS工具:还原编译单元文件

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Delphi是一种广泛使用的集成开发环境(IDE),最初由Anders Hejlsberg创建,并由Borland公司开发。Delphi广泛应用于Windows平台的快速应用程序开发,特别是针对数据库和企业级应用。Delphi使用其专属的编程语言Object Pascal,同时支持COM(Component Object Model)组件的开发。Delphi编译器在编译程序时,会生成两种基本类型的文件:DCU文件(Delphi 编译单元)和EXE/DLL文件(可执行程序或动态链接库)。 DCU文件是Delphi编译器单元文件,它包含了编译后的代码,但不包含调试信息。在Delphi中,源代码首先被编译成DCU文件,然后这些文件会被链接成最终的可执行程序或库。DCU文件的目的是为了加速编译过程,因为编译器可以直接使用这些已经编译的文件而无需重新编译整个程序。 标题中提到的工具名为"Dcu To Pas View Tool",这款工具的主要功能是将Delphi编译器生成的DCU文件还原成其原始的Pascal代码。这一点对于开发者来说非常重要,尤其是在以下几个方面: 1. 维护旧版本代码:如果源代码丢失或损坏,而仅剩下DCU文件,那么拥有这样一个工具可以恢复大部分原始代码,从而减少重新编写代码的工作量。 2. 代码审查和学习:开发者可以使用这个工具来查看第三方组件或库的源代码,这有助于理解它们的工作原理,同时也为学习提供了便利。 3. 逆向工程:在某些情况下,开发人员可能需要对不是他们自己编写的代码进行修改。通过这个工具,他们能够了解代码的实现细节,从而进行必要的修改。 根据描述,该工具支持Delphi版本直到Delphi 2009,意味着它能够处理这个版本之前的DCU文件。由于软件行业的发展非常迅速,新版本的Delphi可能会更改其内部的编译机制,因此该工具可能无法处理之后版本的DCU文件。 标签"DcuToPas"很可能是该工具的名称或者关键字。在网络资源搜索时,使用这个标签可能会帮助找到相关的社区讨论、教程、下载链接和其他参考资料。 压缩包中的文件名称列表显示,包含了一个名为"test.dcu"的DCU文件,一个名为"BeaEngine.dll"的动态链接库,一个名为"dcu2pas.exe"的可执行文件,以及一个名为"test.pas"的文件。其中,"test.pas"很可能是通过工具还原"test.dcu"得到的Pascal源代码文件。 对于这个工具的具体使用方法,虽然在给出的信息中没有详细介绍,但一般而言,开发者可能需要在命令行界面或者图形用户界面中指定DCU文件的位置,并执行还原操作。还原过程可能会涉及到复杂的映射,以确保恢复的Pascal代码尽可能贴近原始代码的结构和语法。 总之,"Dcu To Pas View Tool"是一个专门为了Delphi开发者社区服务的实用工具,它能够将DCU文件还原成Pascal源代码,帮助解决一些在开发和维护过程中可能遇到的难题。

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delphi2-delphi2010 全支持 dcu 装换 pas -------------------------------------------------------------------------------- Project Dcu2Pas Version 1.3 Purpose Decompile a D2-D7, K1-K3's dcu(dpu) file to Delphi source as origin as possible, without or with minimal modifications, then recompile to new one under other Delphi versions Author Nengwen Zhuo(卓能文) Homes http://soarowl.uhome.net, http://www.websamba.com/soarowl, http://soarowl.0catch.com Emails [email protected], [email protected] Released 2003-02-10 Lastest home/dl/Dcu2Pas.rar(zip) FOR RESTORE YOUR LOST SOURCES AND OPTIMIZE YOUR CODES ONLY!!! -------------------------------------------------------------------------------- This project is in very early stage, no document yet. To see some features, reference my test cases file -- test.pas and the output file test.int, please. The output maybe more clear organised than source files!!! For further development, any suggestions and ideas are welcome. I have no time to update my homepages for a long time ;-) -------------------------------------------------------------------------------- Usage Run Dcu2pas, set properly options, select a desired dcu file double click to decompile it -------------------------------------------------------------------------------- Features - Supports the following type declarations and their typed consts: * Type redeclarations, for example: type MyTypeString = type String; * All integer types(Byte, Cardinal, Int64, Integer, Longint, Longword, Shortint, Smallint, Word) * All char types(AnsiChar, Char, WideChar) * All boolean types(Boolean, ByteBool, LongBool, WordBool) * Enumerated type, subrange of enumerated type and set of enumerated type For examples: type Size = (Small = 5, Medium = 10, Large = Small + Medium); TMySize = Medium..Large; type TEnumSet = set of (Club, Diamond, Heart, Spade); const vcSet4: TEnumSet = [Club,Spade]; * All real types(Comp, Currency, Double, Extended, Real, Real48, Single) * All string types(AnsiString, ShortString, String, String[XX], WideString) * Array type(with/without packed keyword), dynamic array and multidimensional dynamic array * Set type * Record type, with any variant parts in records. But if a record has any variant parts in it, the typed const may can't correctly decompile * Function/procedure type declaration - Support threadvar - Support resourcestring - Support class type, interface inheritation - Support object type - Support interface - Code decompiler to BASM, then a decpompiled file can recompile under other Delphi versions... - Code decompiler to Object-Pascal. I have some ideas, but I have no time, maybe in near future, I will code for it! -------------------------------------------------------------------------------- Update history Legend: - Bug fixed * Algorithm enhanced + New featuer added Ver2.0 Ver1.3 2003-02-10 * Code decompiler redesigned * Partly support D7 Ver1.2 2002-07-28 + Delete procedure, contructor, destructor frame 2002-07-18 + Procedure variable const + Now can distinguish: vc1: PChar ='test'; vc2: PChar = @vc1; 2002-05-28(Ver1.1) + Now correctly process interface properties and argument default values + Support resources, for example: {%R *.dfm}, {$R *.res} 2002-05-26 + Support default arguments + Support interface 2002-05-25 + Support object type + Support resourcestring + Support threadvar + Support function/procedure type 2002-05-24 + Support file type + Support set of enumerated type const decompiler + Support enumerated type const decompiler + Support subrange of enumerated type + Support dynamic array type - Array [enumerted type] of ... - Bugs in [packed] array fixed - Bugs in [packed] record fixed - Bugs in enumerated type fixed - Bugs in classify interface and implement declarations fixed
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