Problems creating dll / preprocessor

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  • Posted by andi49 Aug 20, 2014
  • 2133 views

Hallo

I started using the Euphoria Preprocessor feature. To get more specific i like to use the Jeremy Cowgar's dot4 preprocessor (it can be found here https://bitbucket.org/jcowgar/dot4/ )
The Preprocessor as a script-file (dot.ex) seems to work with Eu4.0.x and Eu4.1 (32bit and 64bit ).
I also can translate and compile it to dot.exe with all Versions of Euphoria I use.

What i can't do is, building a working dll of the preprocessor, they all fail for different reasons.

Okay, this is what i use:
Operatingsystem Win8 64bit.

C:\eu4neu\jcowgar-dot4-466834760c1b\src>ver 
 
Microsoft Windows [Version 6.3.9600]

64bit Deevelopment:

C:\eu4neu\jcowgar-dot4-466834760c1b\src>c:\eu4.1-64\bin\euc 
Euphoria to C Translator v4.1.0 development 
   64-bit Windows, Using System Memory 
   Revision Date: 2014-03-03 19:34:37, Id: 6199:59b3bcba649a 
 
ERROR: Must specify the file to be translated on the command line 
 


C:\eu4neu\jcowgar-dot4-466834760c1b\src>gcc --version 
gcc (tdm64-1) 4.7.1 
Copyright (C) 2012 Free Software Foundation, Inc. 
This is free software; see the source for copying conditions.  There is NO 
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

The 64bit Version generates a dll. The dll can be loaded, but linking the c_func fails.

32bit Development:

C:\eu4neu\jcowgar-dot4-466834760c1b\src>gcc --version 
gcc (tdm-1) 4.7.1 
Copyright (C) 2012 Free Software Foundation, Inc. 
This is free software; see the source for copying conditions.  There is NO 
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 


C:\eu4neu\jcowgar-dot4-466834760c1b\src>c:\eu4.1-32\bin\euc 
Euphoria to C Translator v4.1.0 development 
   32-bit Windows, Using System Memory 
   Revision Date: 2014-03-03 19:34:37, Id: 6199:59b3bcba649a 
 
ERROR: Must specify the file to be translated on the command line 


C:\eu4neu\jcowgar-dot4-466834760c1b\src>c:\eu4.0-32\bin\euc 
Euphoria to C Translator v4.0.5 development 
   Windows, Using System Memory 
   Revision Date: 2014-06-09 15:57:20, Id: 6227:9cca399cbb74 
 
ERROR: Must specify the file to be translated on the command line

The 32Bit Eu4.1 Version gives this Error Message:

C:\eu4neu\jcowgar-dot4-466834760c1b\src>c:\eu4.1-32\bin\euc -dll dot_dll.ex 
Build directory: build-232385\ 
Translating code, pass: 1 2 3 4 5 6 7 8 9 10 11  generating 
Compiling with GCC 
Compiling   2% init-.c 
Compiling  11% dot_dll.c 
Compiling  17% main-.c 
Compiling  22% dot_pp.c 
dot_pp.c:2761:8: error: conflicting types for '_2dot' 
In file included from dot_pp.c:3:0: 
main-.h:951:18: note: previous declaration of '_2dot' was here 
Couldn't compile file 'dot_pp.c' 
Status: 1 Command: gcc  -DEWINDOWS -fomit-frame-pointer -c -w -fsigned-char -O2 
-m32 -Ic:/EU4~2.1-3 -ffast-math dot_pp.c 


dot_pp.c:2761 
object _2dot(object _inFileName_11917, object _outFileName_11918, object _verbose_11919) 
 
main-.h:951 
object __stdcall _2dot(object, object, object);

The 32bit 4.0 Version generates a dll. The dll can be loaded, but linking the c_func fails.

PE Explorer shows that the function is exported:

// _1preprocess@12; Index 535;		Information not available

If i use this mangeld name i can succesfully link the function.

I use this little program for testing.

include std/dll.e 
include std/machine.e 
include std/os.e 
include std/console.e 
 
ifdef BITS64 then 
	constant tinlib= open_dll("dot_dll64.dll") 
elsedef 
	constant tinlib= open_dll("dot_dll.dll") 
end ifdef 
 
if tinlib then 
    puts(1,"DLL linked ..."&"\n") 
else 
    puts(1,"DLL linking failed ..."&"\n") 
    -- abort(1) 
end if 
 
 
constant preproc=define_c_func(tinlib,"_1preprocess@12",{E_SEQUENCE,E_SEQUENCE,E_SEQUENCE},E_INTEGER) 
-- constant preproc=define_c_func(tinlib,"preprocess",{E_SEQUENCE,E_SEQUENCE,E_SEQUENCE},E_INTEGER) 
if preproc>0 then 
    puts(1,"Function linked ..."&"\n") 
else 
    puts(1,"Function preprocess linking failed ..."&"\n") 
    -- abort(1) 
end if 
 
any_key()

Maybe someone knows what I'am are doing wrong. btw. All Versions of Euphoria i use are build with the above shown Compiler. I regulary use the translator but didn't used it for creating dll's for a longer time.

Andreas

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