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nixpkgs/pkgs/development/tools/misc/cbrowser/backslashes-quotes.diff
Lluís Batlle i Rossell dbdfb3d11c Adding cbrowser. Have cscope on the path to use it (which you should already
have, because otherwise how would you have created the database for cbrowser?)

svn path=/nixpkgs/trunk/; revision=29831
2011-10-14 07:47:20 +00:00

50 lines
1.5 KiB
Diff

Based on this:
http://sourceforge.net/tracker/?func=detail&aid=1493886&group_id=5152&atid=305152
fix the infinite loops in quote highlight - ID: 1493886
--- cbrowser-0.8-2/ftcllib.tcl 2000-07-04 01:17:43.000000000 +0200
+++ cbrowser-0.8/ftcllib.tcl 2006-05-24 00:39:18.833762522 +0200
@@ -1290,13 +1290,39 @@
foreach {start end} [concat 1.0 [$widget tag ranges comment] end] {
while {[set temp [$widget search -regexp -- $pattern $start $end]] != ""} {
+ set startquote [$widget index "$temp + 1chars"]
- set endquote [$widget search -regexp -- {[^\\]\"} "$temp + 1chars" $end]
+ set temp [$widget index "$startquote + 1chars"]
+ while {1==1} {
+ set endquote [$widget search -regexp -- {\"} $temp $end]
+
+ # The program will not break if a /*C comment*/ is between C quotes.
+ if { $endquote == "" } {
+ set endquote $startquote
+ break
+ }
+
+ # look for double backslashes
+ if {[set temp2 [$widget search -regexp -- {\\\\} $temp $endquote]] != ""} {
+ set temp "$temp2 + 2chars"
+ continue
+ }
+
+ # look for \"
+ if {[set temp2 [$widget search -regexp -- {\\\"} $temp $endquote]] != ""} {
+ set temp "$temp2 + 2chars"
+ continue
+ }
+
+ break
+ }
if {[strlen $endquote] > 0} {
- set start [$widget index "$endquote + 2chars"]
+ set start [$widget index "$endquote + 1chars"]
- $widget tag add quote "$temp + 1chars" $start
+ $widget tag add quote $startquote $start
+ } else {
+ set start [$widget index "$start + 1chars"]
}
}
}