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From: Andrew Cagney <cagney@redhat.com>
To: Stan Cox <scox@redhat.com>
Cc: Frysk List <frysk@sourceware.org>
Subject: Re: Use StringBuilder instead of PrintWriter for type display
Date: Sat, 08 Dec 2007 00:53:00 -0000	[thread overview]
Message-ID: <4759EB1B.7040007@redhat.com> (raw)
In-Reply-To: <4759D33D.5050206@redhat.com>

Andrew Cagney wrote:
> Stan Cox wrote:
>> This changes type display so it builds in a StringBuilder
>> instead of displaying a piece at a time.  Most of the changes are
>> changing writer.print to stringBuilder.append.  A printf style %s token
>> is used to support types like
>> "int (*ptr_arr) [4]" where (in this instance) the name and pointer
>> info have to be inserted a printf %s string is used.  For instance
>> ArrayType would construct "int %s [4]" and then PointerType would
>> massage that to "int (*%s) [4] and if it is member of a struct
>> CompositeType would massage it to "int (*ptr_arr) [4]" (otherwise "int
>> (*) [4]).  This allows removal of some instanceof checks and some
>> specialized code.
>>   
> Yes, the result is much better.
>
Hmm, if the below works, then wouldn't passing in the middle part vis:
    toPrint(String middle)
be sufficient:
  CompositeType: member.type.toPrint("foo");
  PointerType: pointerTarget.type.toPrint("*" +middle); // *foo
  ArrayType returns  "(" + middle + ")" + "[...]" // (*foo)[...]

Andrew

 
> Would a specialized class help: instead of a SingleString buffer, it 
> would contain the prefix and postfix strings, and methods to edit 
> them. For instance, given:
>  struct s {
>     (*foo)[10];
>  }
> ArrayType would .append("[10]");
> called by PointerType would .insert("(*", ")");
> called by CompositeType would .insert("foo");
>
>
> Andrew
>

  reply	other threads:[~2007-12-08  0:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-07 21:43 Stan Cox
2007-12-07 23:11 ` Andrew Cagney
2007-12-08  0:53   ` Andrew Cagney [this message]
2007-12-10 22:00     ` Stan Cox
2007-12-10 22:08       ` Stan Cox

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