Re: [Texmacs-dev] maple_filter in 1.0.1.5

[Joris van der Hoeven]

Hi Christian,

I enabled default support for Maple from TeXmacs-1.0.1.5 on,
because I found a way to ignore possible errors during
the compilation of your filters.

As a consequence, there may be some bug reports like the one
below concerning your interface. Would you be so kind to
reply to Martin Costabel on texmacs-dev?

Best wishes, Joris

---------------------------------------------------------
> When compiling texmacs-1.0.1.5 on Mac OSX (gcc-3.1), I get the following 
> error
> 
> cd plugins/maple; make -i -f Makefile CC=gcc CXX=c++
> c++ src/maple_in_filter.cc -o bin/maple_in_filter
> c++ src/maple_filter.cc -o bin/maple_filter
> src/maple_filter.cc:27: `string' was not declared in this scope
> src/maple_filter.cc:27: parse error before `,' token
> src/maple_filter.cc:36: `string' was not declared in this scope
> src/maple_filter.cc:36: `s' was not declared in this scope
> src/maple_filter.cc:36: parse error before `)' token
> [20 more lines of the same omitted]
> make[2]: [bin/maple_filter] Error 1 (ignored)
> 
> This is not fatal for the compilation (the maple plugin is not built, 
> that's all) and it is not even important, because AFAIK a suitable 
> version of maple for MacOSX doesn't exist anyway. But I would like to 
> know what causes this error. I tried all kinds of compiler options, 
> other #include files, namespace declarations, all to no avail. Could 
> someone who knows C++ please explain?
> 
> The first 36 lines of that file are below.
> 
> --
> Martin
> 
> % less -N TeXmacs-1.0.1.5-src/plugins/maple/src/maple_filter.cc
>       1
>       2  #include <stdio.h>
>       3  #include <stdlib.h>
>       4  #include <string.h>
>       5  #include <iostream.h>
>       6  #include <string>
>       7
>       8  /*#define DATA_BEGIN   ((string) "debut" )
>       9  #define DATA_END     ((string) "fin" )
>      10  #define DATA_ESCAPE  ((string) "escape" )*/
>      11
>      12  #define DATA_BEGIN   ((char) 2)
>      13  #define DATA_END     ((char) 5)
>      14  #define DATA_ESCAPE  ((char) 27)
>      15
>      16  static int counter= 0;
>      17
>      18  void
>      19  next_input () {
>      20    counter++;
>      21    cout << DATA_BEGIN << "channel:prompt" << DATA_END;
>      22    cout << DATA_BEGIN << "latex:\\brown Maple " << counter
>      23         << "]\\ " << DATA_END;
>      24  }
>      25
>      26  string
>      27  remplacer(string in, string what, string by) {
>      28    string result= in;
>      29    while (result.find(what)!=string::npos) {
>      30      result= result.replace (result.find(what), what.length(), by);
>      31    }
>      32    return result;
>      33  }
>      34
>      35  void
>      36  passer (string &s, int indentation) {
> 
> 
> 
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