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Report From: Delphi-BCB/Compiler/Delphi/Header Generation [ Add a report in this area ]

Report #: 68172

Status: Closed

Delphi Int64 constants are translated to 32-bit values by BCB

Project: C++Builder

Build #: 10.0.2288.42451

Version: 10.0

Submitted By: Kristofer Skaug

Report Type: Basic functionality failure

Date Reported: 10/22/2008 6:47:12 AM

Severity: Commonly encountered problem

Last Updated: 3/20/2012 2:24:39 AM

Platform: All platforms

Internal Tracking #: 266113

Resolution: Fixed (Resolution Comments)

Resolved in Build: : 12.0.3250.18309

Duplicate of: None

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Description

See Steps.

Workaround is to patch the hpp file manually, but I suppose this only works if the imported .pas unit is relatively stable and you only were using it for the declarations (not e.g. functions or classes).

Steps to Reproduce:

1. Create a valid Delphi .pas unit with the following declaration

unit DelphiUnit;

interface

const IMPORTED_DELPHI_CONST = $FEDCBA9876543210; // an Int64 value

implementation

end.

2. Start BCB 2006 and create a default VCL project.

3. Add DelphiUnit.pas to the BCB project and build it;

4. A DelphUnit.hpp file will be generated, with the following line:
...
static const __int64 IMPORTED_DELPHI_CONST = 0x76543210;

Workarounds

None

Attachment

None

Comments

Remy Lebeau (TeamB) at 12/31/2008 2:29:58 PM -

Appears to be fixed in C++Builder 2007/2009. An unsigned __int64 constant is produced now:

static const unsigned __int64 IMPORTED_DELPHI_CONST = 0xfedcba9876543210ULL;

Tomohiro Takahashi at 1/4/2009 6:55:14 PM -

Thanks for confirmation. I will check internal status of this report.

Tomohiro Takahashi at 1/7/2009 1:01:42 AM -

Indeed, this issue is not reproducible with recent versions(2009 etc...).

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