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Re: [Plplot-devel] [Plplot-cvs] SF.net SVN: plplot:[9242] trunk
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From: Andrew R. <and...@us...> - 2009-01-05 22:21:32
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Jerry, Your work-around fixes things for me. I now get ada working again and identical results to the C versions of the examples. Thanks Andrew On Sat, Jan 03, 2009 at 07:58:01PM -0700, Jerry wrote: > Thanks, Andrew. I'll look into this. worst case is we delete the > second argument. > Jerry > > On Jan 3, 2009, at 3:09 AM, Andrew Ross wrote: > > > > > Jerry, > > > > The commit below breaks ada support for me. It looks like this form of > > the ada warnings pragma is only available in recent versions of gnat. > > With gnat 4.2.4 I get errors like > > plplot.ads:72:26: second argument of pragma "Warnings" must be > > entity > > name > > > > According to the documentation only the forms > > pragma Warnings (On | Off [, local_NAME]); > > pragma Warnings (static_string_EXPRESSION); > > are supported in gcc 4.2.4. > > > > Andrew > > > > On Fri, Jan 02, 2009 at 10:54:32AM +0000, > > jb...@us... wrote: > >> Revision: 9242 > >> http://plplot.svn.sourceforge.net/plplot/?rev=9242&view=rev > >> Author: jbauck > >> Date: 2009-01-02 10:54:32 +0000 (Fri, 02 Jan 2009) > >> > >> Log Message: > >> ----------- > >> Added pragmas to selectively disable warning messages that were > >> being generated during compilation of the Ada bindings and Ada > >> Examples 21. Building should now proceed without these specific > >> warnings but other warnings can still be generated as they arise. > >> > >> Modified Paths: > >> -------------- > >> trunk/bindings/ada/plplot.ads.cmake > >> trunk/bindings/ada/plplot_traditional.ads.cmake > >> trunk/doc/docbook/src/ada.xml > >> trunk/examples/ada/x20a.adb.cmake > >> trunk/examples/ada/xthick20a.adb.cmake > >> > >> Modified: trunk/bindings/ada/plplot.ads.cmake > >> =================================================================== > >> --- trunk/bindings/ada/plplot.ads.cmake 2009-01-02 10:17:24 UTC > >> (rev 9241) > >> +++ trunk/bindings/ada/plplot.ads.cmake 2009-01-02 10:54:32 UTC > >> (rev 9242) > >> @@ -69,7 +69,13 @@ > >> -- from this package (PLplot_Traditional) can't be used. > >> Thus, this also > >> -- overloads the name Fill_Polygon. It might never occur to > >> the Ada programmer > >> -- that this is happening, which is good. > >> + pragma Warnings(Off, "foreign caller must pass bounds > >> explicitly"); > >> + pragma Warnings(Off, "type of argument ""Fill_Polygon.x"" is > >> unconstrained array"); > >> + pragma Warnings(Off, "type of argument ""Fill_Polygon.y"" is > >> unconstrained array"); > >> procedure Fill_Polygon(length : Integer; x, y : Real_Vector) > >> renames PLplot_Thin.plfill; > >> + pragma Warnings(On, "foreign caller must pass bounds > >> explicitly"); > >> + pragma Warnings(On, "type of argument ""Fill_Polygon.x"" is > >> unconstrained array"); > >> + pragma Warnings(On, "type of argument ""Fill_Polygon.y"" is > >> unconstrained array"); > >> > >> -- Make Mask_Function_Pointer_Type available to the user so > >> that s/he doesn't > >> -- have to "with" PLplot_Thin. Note that it is also used herein. > >> > >> Modified: trunk/bindings/ada/plplot_traditional.ads.cmake > >> =================================================================== > >> --- trunk/bindings/ada/plplot_traditional.ads.cmake 2009-01-02 > >> 10:17:24 UTC (rev 9241) > >> +++ trunk/bindings/ada/plplot_traditional.ads.cmake 2009-01-02 > >> 10:54:32 UTC (rev 9242) > >> @@ -69,7 +69,13 @@ > >> -- from this package (PLplot_Traditional) can't be used. > >> Thus, this also > >> -- overloads the name plfill. It might never occur to the Ada > >> programmer > >> -- that this is happening, which is good. > >> + pragma Warnings(Off, "foreign caller must pass bounds > >> explicitly"); > >> + pragma Warnings(Off, "type of argument ""plfill.x"" is > >> unconstrained array"); > >> + pragma Warnings(Off, "type of argument ""plfill.y"" is > >> unconstrained array"); > >> procedure plfill(length : Integer; x, y : Real_Vector) > >> renames PLplot_Thin.plfill; > >> + pragma Warnings(On, "foreign caller must pass bounds > >> explicitly"); > >> + pragma Warnings(On, "type of argument ""plfill.x"" is > >> unconstrained array"); > >> + pragma Warnings(On, "type of argument ""plfill.y"" is > >> unconstrained array"); > >> > >> -- Make Mask_Function_Pointer_Type available to the user so > >> that s/he doesn't > >> -- have to "with" PLplot_Thin. Note that it is also used herein. > >> > >> Modified: trunk/doc/docbook/src/ada.xml > >> =================================================================== > >> --- trunk/doc/docbook/src/ada.xml 2009-01-02 10:17:24 UTC (rev 9241) > >> +++ trunk/doc/docbook/src/ada.xml 2009-01-02 10:54:32 UTC (rev 9242) > >> @@ -304,12 +304,7 @@ > >> <para> As discussed in Section 6.1, the bindings are > >> made to work with Ada 95 but to also take advantage of the Annex G. > >> 3 (vector-matrix) features of Ada 2005. Actually, this adaptation > >> takes place during the PLplot build process when > >> <literal>DHAVE_ADA_2007=OFF</literal> or > >> <literal>DHAVE_ADA_2007=ON</literal> is chosen; the appropriate > >> binding source files are generated automatically. User programs > >> will work with either compiler type without modification.</para> > >> <para><emphasis role="bold"> 10.2 GNAT Dependence</emphasis></ > >> para> > >> <para> There is a slight but significant dependence > >> on the GNAT version of Ada. This is discussed more fully in > >> Section 6.2</para> > >> - <para><emphasis role="bold"> 10.3 Compiler Warnings</ > >> emphasis></para> > >> - <para> During normal compilation of the Ada bindings, > >> approximately a dozen warnings are generated, in pairs, of the > >> following form:</para> > >> - <para> <literal>bar.adb:46: warning: type of argument "foo" > >> is unconstrained array</literal></para> > >> - <para> <literal>bar.adb:46: warning: foreign caller must pass > >> bounds explicitly</literal></para> > >> - <para> These are normal and an unavoidable consequence of > >> some of the callback routines interacting with the underlying C > >> code.</para> > >> - <para><emphasis role="bold"> 10.4 PLplot_Auxiliary</ > >> emphasis></para> > >> + <para><emphasis role="bold"> 10.3 PLplot_Auxiliary</ > >> emphasis></para> > >> <para> The bindings include files > >> <literal>PLplot_Auxiliary.ads</literal> and > >> <literal>PLplot_Auxiliary.adb</literal>. These files are currently > >> used to provide a few convenience subprograms that are used in the > >> examples. However, they are also very tightly associated with the > >> above-mentioned facility to accommodate either Ada 95 or Ada 2005 > >> compilers. The current situation is such that if the user is using > >> an Ada 95 compiler <emphasis>and</emphasis> requires the > >> Real_Vector or Real_Matrix type definitions, then he/she should > >> <literal>with</literal> <literal>PLplot_Auxiliary</literal>. If in > >> doubt, <literal>PLplot_Auxiliary</literal> can always be > >> <literal>with</literal>-ed without harm. In the future, this > >> confusion might be removed and the need for > >> <literal>PLplot_Auxiliary</literal> removed. (However, user > >> programs that with it should still work without change.)</para> > >> > >> </sect1> > >> > >> Modified: trunk/examples/ada/x20a.adb.cmake > >> =================================================================== > >> --- trunk/examples/ada/x20a.adb.cmake 2009-01-02 10:17:24 UTC (rev > >> 9241) > >> +++ trunk/examples/ada/x20a.adb.cmake 2009-01-02 10:54:32 UTC (rev > >> 9242) > >> @@ -142,7 +142,11 @@ > >> xxi := gin.wX; > >> yyi := gin.wY; > >> if start /= 0 then > >> + pragma Warnings(Off, """sx"" may be > >> referenced before it has a value"); > >> + pragma Warnings(Off, """sy"" may be > >> referenced before it has a value"); > >> plline(sx, sy); -- Clear previous rectangle. > >> + pragma Warnings(On, """sx"" may be > >> referenced before it has a value"); > >> + pragma Warnings(On, """sy"" may be > >> referenced before it has a value"); > >> end if; > >> > >> start := 0; > >> > >> Modified: trunk/examples/ada/xthick20a.adb.cmake > >> =================================================================== > >> --- trunk/examples/ada/xthick20a.adb.cmake 2009-01-02 10:17:24 UTC > >> (rev 9241) > >> +++ trunk/examples/ada/xthick20a.adb.cmake 2009-01-02 10:54:32 UTC > >> (rev 9242) > >> @@ -142,7 +142,11 @@ > >> xxi := gin.wX; > >> yyi := gin.wY; > >> if start /= 0 then > >> + pragma Warnings(Off, """sx"" may be > >> referenced before it has a value"); > >> + pragma Warnings(Off, """sy"" may be > >> referenced before it has a value"); > >> Draw_Curve(sx, sy); -- Clear previous > >> rectangle. > >> + pragma Warnings(On, """sx"" may be > >> referenced before it has a value"); > >> + pragma Warnings(On, """sy"" may be > >> referenced before it has a value"); > >> end if; > >> > >> start := 0; > >> > >> > >> This was sent by the SourceForge.net collaborative development > >> platform, the world's largest Open Source development site. > >> > >> --------------------------------------------------------------------- > >> --------- > >> _______________________________________________ > >> Plplot-cvs mailing list > >> Plp...@li... > >> https://lists.sourceforge.net/lists/listinfo/plplot-cvs > >> > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Plplot-devel mailing list > Plp...@li... > https://lists.sourceforge.net/lists/listinfo/plplot-devel > |