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Re: [PATCH] Add UNARY_PLUS_EXPR to C++ front-end (take 2)


Roger Sayle <roger@eyesopen.com> writes:

| On 28 May 2005, Gabriel Dos Reis wrote:
| > Roger Sayle <roger@eyesopen.com> writes:
| > Thanks for doind this.  The addition of the code should be in
| > pp_cxx_unary_expression, which has the following comments:
| 
| If you look closely, you'll see that this code was added to
| pp_cxx_unary_expression (and even mentioned in the ChangeLog)
| precisely because of the helpful comment you cited.  The thing
| that might have been confusing is that because the syntax is:

You're absolutely right: I'm was completely confused in the way I read
the ChangeLog.  Please ignore my previous comment (how does one cancel
message sent to you and GCC list? ;))

| >> /* unary-expression:
| >> ...
| >>      unary-operator cast-expression
| 
| we now need to call "cast-expression" from "unary-expression".
| As a result, with my change pp_cxx_unary_expression needs to invoke
| pp_cxx_cast_expression, which unfortunately is defined later in the
| source file.  As a result, I have to add a new prototype for the
| function pp_cxx_cast_expression even though my functional change
| is to pp_cxx_unary_expression.
| 
| I hope this make sense.

All the way down.  Thanks for your patience.

-- Gaby


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