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Re: Problem with braces in C


From: Colin S. Miller
Subject: Re: Problem with braces in C
Date: Thu, 05 Nov 2009 23:52:00 +0000
User-agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090706)

Burkhard Schultheis wrote:
Am 05.11.2009 19:47, schrieb address@hidden:

Are there #if/#ifdef around some parts of the braces?

No. ;-)

Regards
Burkhard


Hmm.
The normal way of spooking paren-mode is to do something like this, as Scott 
suggested

#if DEBUG
void myFunc(int a, float b, const char *FILE, int LINE) {
#else
void myFunc(int a, float b) {
#endif

replacing with

#if DEBUG
void myFunc(int a, float b, const char *FILE, int LINE)
#else
void myFunc(int a, float b)
#endif
{

will fix it.

As paren mode looks at the file before it pre-processed, it needs the brackets 
to match literally.
Other things that can spook it include (nb. brackets include {} () [] - if the 
order doesn't match, then
paren-mode can get confused)

1) Brackets in C++ style // comments, if C mode doesn't define these as a 
comment.
2) Brackets in pre-processor expansions.


Try placing the cursor immediately after the last curly bracket, and pressing
C-M-p. This will jump the cursor to what emacs thinks is the matching bracket.
Likewise, pressing C-M-n on an opening bracket will make the cursor jump
to the corresponding closing bracket.

hide-show-mode might be useful to see how emacs is blocking the code,
but hide-show-mode might get to confused to be much help.


HTH,
Colin S. Miller


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