summaryrefslogtreecommitdiff
path: root/doc/ref/api-debug.texi
diff options
context:
space:
mode:
authorAndy Wingo <wingo@pobox.com>2012-02-17 10:21:50 +0100
committerAndy Wingo <wingo@pobox.com>2012-02-17 10:21:50 +0100
commit58565208bdfe7544f7e4da8762e4c331171f9876 (patch)
treeb28ff26d75e226f4d8e45fe02378e650c843278d /doc/ref/api-debug.texi
parent2c84211e6317dacddfbda979ea67683e1d8fbdb4 (diff)
parentcac24946da089e1e1fddf9c9dc7ae7dae9e29014 (diff)
downloadguile-58565208bdfe7544f7e4da8762e4c331171f9876.tar.gz
Merge remote-tracking branch 'local-2.0/stable-2.0'
Conflicts: libguile/read.c libguile/srcprop.c module/ice-9/psyntax-pp.scm
Diffstat (limited to 'doc/ref/api-debug.texi')
-rw-r--r--doc/ref/api-debug.texi10
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/ref/api-debug.texi b/doc/ref/api-debug.texi
index c5fbe5629..dd2a3d19d 100644
--- a/doc/ref/api-debug.texi
+++ b/doc/ref/api-debug.texi
@@ -239,8 +239,8 @@ Guile's debugger can point back to the file and location where the
expression originated.
The way that source properties are stored means that Guile cannot
-associate source properties with individual numbers, symbols,
-characters, booleans, or keywords. This can be seen by typing
+associate source properties with individual symbols, keywords,
+characters, booleans, or small integers. This can be seen by typing
@code{(xxx)} and @code{xxx} at the Guile prompt (where the variable
@code{xxx} has not been defined):
@@ -258,6 +258,12 @@ ERROR: Unbound variable: xxx
In the latter case, no source properties were stored, so the error
doesn't have any source information.
+@deffn {Scheme Procedure} supports-source-properties? obj
+@deffnx {C Function} scm_supports_source_properties_p (obj)
+Return #t if source properties can be associated with @var{obj},
+otherwise return #f.
+@end deffn
+
The recording of source properties is controlled by the read option
named ``positions'' (@pxref{Scheme Read}). This option is switched
@emph{on} by default.