demangle tool

[Andrei Alexandrescu]

Sergey Gromov wrote:
> Thu, 09 Apr 2009 13:40:36 -0700, Andrei Alexandrescu wrote:
> 
>> The line wraps are all garbled, but you get the idea: all symbols quoted 
>> `like this' have been demangled appropriately. Below is the source of 
>> the demangle script:
>>
>> #!/home/andrei/bin/rdmd
>> import std.algorithm, std.demangle, std.getopt, std.stdio;
>>
>> void main(string[] args)
>> {
>>      string lSep = "`", rSep = "'";
>>      getopt(args, "lsep", &lSep, "rsep", &rSep);
>>      foreach (line; stdin.byLine())
>>      {
>>          auto sym = find(line, lSep);
>>          if (!sym.length)
>>          {
>>              writeln(line);
>>              continue;
>>          }
>>          sym = sym[1 .. $];
>>          auto before = line[0 .. $ - sym.length];
>>          sym = sym[0 .. $ - find(sym, rSep).length];
>>          auto after = line[before.length + sym.length .. $];
>>          writeln(before, demangle(sym.idup), after);
>>      }
>> }
> 
> What happened to the range boolean operations, those
> before/after/whatever?  Do you still plan to implement them?

Curiously, I didn't find a need for them in std.algorithm so far. I only 
defined sameHead, and that's only to help a little improvement in the 
bringToFront algorithm.

Andrei