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From: =?ISO-8859-1?Q?Hibou57_=28Yannick_Duch=EAne=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Adding a compiler to GPS or a GPR project
Date: Fri, 1 Jan 2010 07:51:27 -0800 (PST)
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Some other comments :

When setting up a compiler definition, keep in mind that the name
provided for the node <executable> is case sensitive, even on none-
case-sensitive systems. Probably GPRConfig is doing a scan of all
directories and doing so, use the names it gets as-is, with no
canonical case conversion, when the system is not case sensitive.

Still about this <executable> node : although GPRBuild will accept a
script or a so called batch file (for Windows users) in the =93for
Driver (language) use "..." =94, GPRConfig will not recognize any script
there, if it is has an extention. If you provide Test.bat here, as the
application, GPRConfig will not find it. At least on Windows, only
real executables can be used there. Probably it will work on Unix-
like, with script which does not use any file name extension.

You have two things : a compiler definition, which seems to be
intended to GPRConfig, and a project configuration chunk, which is
intended to GPRBuild.

Both expects a language name and an application name. These are two
definition, which are related and unrelated in the mean time.

These are related in the way if you do not provide a compiler
definition, then the project configuration chunk will not be handled.
But this is unrelated in the way the application you indicate as a
compiler in the project configuration chunk, is not required to be
same as the one given in the compiler definition. You may prodive
"foo" for <executable> in the compiler definition for the language L,
and provide "bar" in a =93 for Driver ("L") use "bar"; =94 in the project
configuration chunk. No check is done here when you do so, and you
must care about it.

The compiler definition allow you do give an explicit version, or an
external reference to a version (via invocation of an application and
a regexp expression). This version number may be later used as a
filter for the definition of project definition chunk. Always provide
a version, even a dummy one : weither or not you use filtering based
on version number, if you provide no version number, the compiler
definition will be silently ignored by GPRConfig.

The <target> element is mandatory as well, even if the application
provided is not intended to produce any object file at all (see the
exemple of adactl just given in a prior message).

Even if you have provided a language definition file for GPS in one of
its plug-ins directory, and this language definition file define a
file extension for your language, you must explicitly recalls this
file name extension in the projection configuration chunk. This is not
done automatically. GPS uses its language definition file to know what
it will allow you to select as files belonging to a project, but it
must no information about what this file extensions are, neither to
GPRConfig or GPRBuild. You must do it yourself, and take care to have
the same in both place.

Exemple :

         package Naming is
            for Body_Suffix ("AdaControl") use ".aru";
         end Naming;

in the adacontrol.xml file which I've put in share/gprconfig, and

  <Name>AdaControl</Name>
  <Body_Suffix>.aru</Body_Suffix>

for the zadactl.xml file which is in one of the GPS plug-ins
directory.

Note : I've noticed GPRBuild seomtimes have troubles when XML comments
are used in XML file parts standing for a project configuration chunk.
Avoid using XML comments there, and use Ada comments instead.

Another example case where it is required to use a different
application in the compiler definition and the project configuration
chunk : surprisingly to me, GPR configuration files, does not provide
a way to build a commande line like some other IDE do. And indeed, I
did not found any such things in the standard files which are provided
in the gprconfig directory.

You will not be able to say, as an example =93 windres -i filename -o
basename.o =94. GPRBuold seems to always add the filename as the last
option of all the options you may provide in =93 for Required_Switches
(language) use ("..."); =94, and will simply expect the application to
create basename.[target-object-extension] object file in the object
directory, which is the current-working-directory GPRBuild gives to
the compiler. There is no way, neither, to build a command line which
will tell the compiler what the object output directory is.

For these reasons, the wrapper introduced before with the example of
the Windows Resources compiler, is still needed. If this wrapper is a
script with an extension, you will not be able to specify it as the
application in the compiler definition, but you will be able, and have
to, use it in the project configuration chunk. This is another example
case where the application specified in the compiler definition and
the project configuration chunk are not the same.


For my first question which was =93 how do I setup a compiler for
Windows Resources in GPS and GPR ? =94, here is finally the three file I
used :

windows-resources-language.xml in one of the GPS plugins directory
(for language definition) :

<?xml version=3D"1.0" encoding=3D"utf-8" ?>

<!--
   Provides Windows Resources language definition for the GPS IDE.
   This does not provide any definition for the GPR project manager,
which
   requires another configuration file. This file provides syntax
support,
   view of sources in the project view and its outline view (the one
of the
   project view, not the standalone Outline View tab).

   You should put this file in either =93${PREFIX}/share/gps/plug-ins/=94
for an
   all users installation or else in =93${PROFILE}/.gps/plug-ins/=94 for a
single
   user installation.

   Questions and comments : yannick_duchene@yahoo.fr
-->

<GPS>
   <Language>
      <Name>Windows Resources</Name>
      <Parent>C</Parent> <!-- Formally speaking, this should be CPP,
but it is not available in standard GPS languages -->
      <Body_Suffix>.rc</Body_Suffix>
      <Extension>.rc</Extension>
      <Keywords>^(__DATE__|__FILE__|__LINE__|__STDC__|__TIME__|
__TIMESTAMP__)\b</Keywords> <!-- RC predefined macros -->
      <Keywords>^(ACCELERATORS|BITMAP|CURSOR|DIALOG|DIALOGEX|FONT|HTML|
ICON|MENU|MENUEX|MESSAGETABLE|POPUP|PLUGPLAY|RCDATA|STRINGTABLE|
TEXTINCLUDE|TYPELIB|VERSIONINFO|VXD)\b</Keywords> <!-- Standard
resources -->
      <Keywords>^(AUTO3STATE|AUTOCHECKBOX|AUTORADIOBUTTON|CHECKBOX|
COMBOBOX|CONTROL|CTEXT|DEFPUSHBUTTON|EDITTEXT|GROUPBOX|ICON|LISTBOX|
LTEXT|PUSHBOX|PUSHBUTTON|RADIOBUTTON|RTEXT|SCROLLBAR|STATE3)\b</
Keywords> <!-- Control resources -->
      <Keywords>^(CAPTION|CHARACTERISTICS|CLASS|EXSTYLE|FONT|LANGUAGE|
MENU|MENUITEM|STYLE|VERSION)\b</Keywords> <!-- Statement resources -->
      <Keywords>^(RT_CURSOR|RT_BITMAP|RT_ICON|RT_MENU|RT_DIALOG|
RT_STRING|RT_FONTDIR|RT_FONT|RT_ACCELERATORS|RT_RCDATA|RT_MESSAGETABLE|
RT_GROUP_CURSOR|RT_GROUP_ICON|RT_VERSION|RT_DLGINCLUDE)\b</Keywords>
<!-- Resource type IDs -->
      <Keywords>^(RT_MANIFEST)\b</Keywords> <!-- Others -->
      <Context>
         <Comment_Start>/*</Comment_Start>
         <Comment_End>*/</Comment_End>
         <New_Line_Comment_Start>//</New_Line_Comment_Start>
         <String_Delimiter>"</String_Delimiter>
         <Quote_Character>\</Quote_Character>
         <Constant_Character>'</Constant_Character>
         <Can_Indent>True</Can_Indent>
         <Syntax_Highlighting>True</Syntax_Highlighting>
         <Case_Sensitive>True</Case_Sensitive>
      </Context>
      <Categories>
         <Category>
            <Name>include</Name>
            <Pattern>^\s*(#include\s+\S+).*</Pattern> <!-- Ex.
#include "resources.h" -->
            <Index>1</Index>
         </Category>
         <Category>
            <Name>statement</Name>
            <Pattern>^\s*((\w+|\d+)\s+(\w+)).*</Pattern> <!-- Ex. 1
RT_MANIFEST ".\\Manifest.xml". The name may be either an ID or a
string -->
            <Index>1</Index>
         </Category>
      </Categories>
   </Language>
</GPS>

<!--
   Ref=E9rences for Windows Resources source files :
   http://msdn.microsoft.com/en-us/library/aa381032(VS.85,lightweight).aspx
   http://msdn.microsoft.com/en-us/library/aa381043(VS.85).aspx
   http://msdn.microsoft.com/en-us/library/cc194804.aspx
   http://msdn.microsoft.com/en-us/library/ms997646.aspx

   References for GPS language configuration :
   http://www.adacore.com/wp-content/files/auto_update/gps-docs/Adding-supp=
ort-for-new-languages.html
-->

windows-resources.xml in the share/gprconfig directory (for compiler
and project configuration chunk definitions) :

<?xml version=3D"1.0" ?>
<gprconfig>

  <compiler_description>
    <name>WindRes</name>
    <executable>windres</executable>
    <version>DummyVersion</version>
    <languages>Windows Resources</languages>
    <target>i686-pc-mingw32</target>
  </compiler_description>

   <configuration>
      <compilers>
         <compiler name=3D"WindRes" language=3D"Windows Resources" />
      </compilers>
      <config>
         package Naming is
            for Body_Suffix ("Windows Resources") use ".rc";
            -- for Casing ("Windows Resources") use "mixedcase";
         end Naming;
         package Compiler is
            for Driver ("Windows Resources") use "windres-for-
gps.bat";
            <!-- for Required_Switches ("Windows Resources") use ("");
-->
         end Compiler;
      </config>
   </configuration>

</gprconfig>

The wrapper batch windres-for-gps.bat file which have to be located in
your shell ${PATH} :

@echo off

rem Compiles a Windows resource file (*.rc). It do so running windres
from
rem the directory where the resource file belong, just for windres to
be
rem able to resolve relative path the resource file may contains.
rem The object file is produced in this same directory. Later, the
object
rem file is moved to the object directory, which is the one from where
rem gnatmake will invok this batch.
rem
rem This batch script is to be invoked with the file name to compile
as
rem its first and unique argument.
rem
rem The argument is retrieved in %1
rem
rem %1 is the full file name
rem %~n1 is the base name
rem %~dp1 is the parent directory name
rem pushd <dir> goes to <dir> and remember of the actual directory
rem popd comes back to the actual directory

pushd %~dp1
windres.exe -i %1 -o %~n1.o
popd
if exist %~n1.o del %~n1.o
if exist %~dp1\%~n1.o move %~dp1\%~n1.o .




Or simply download the three files here :
http://www.les-ziboux.rasama.org/download/windres-in-gpr-gps-on-windows-hos=
t.zip