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How to determine which types are defined in Delphi DCU?

I have a set of compiled Delphi dcu files, without source. Is there a way to determine what types are defined inside this dcu?

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3 answers

You can look at DCU32INT , the Delphi DCU decompiler. It generates a .int file, which is somehow readable, but not compiled, but if you only want to define certain types, this may be enough.

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To find out what is in the module named FooUnit, enter the following in the editor:

unit Test;

interface

uses FooUnit;

var
  x: FooUnit.

Ctrl + Space , IDE , , , .

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The DCU format is undocumented, the last time I checked. However, there is a tool I found that can give you some basic information called DCUtoPAS . It is not well rated on the site, but it can at least extract types for you. There is also DCU32INT , which may also help.

Otherwise, you just need to open the file with a hex editor and dig up the lines.

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