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| author | Andy Wingo <wingo@pobox.com> | 2010-03-19 12:30:31 +0100 |
|---|---|---|
| committer | Andy Wingo <wingo@pobox.com> | 2010-03-19 12:30:38 +0100 |
| commit | 1fc8dcc7ac6a83ae6586e02491784954e3be94ef (patch) | |
| tree | 87277ede10d3f5b0d53dadcb0460190c4f719206 /doc/ref/api-debug.texi | |
| parent | a6e60a9571711cf90ec9cf547125cb1495e58bca (diff) | |
| download | guile-1fc8dcc7ac6a83ae6586e02491784954e3be94ef.tar.gz | |
document syntax-case
* doc/ref/api-macros.texi: Document syntax-case, and tweak defmacro
docs.
* doc/ref/api-debug.texi: Move cons-source here.
Diffstat (limited to 'doc/ref/api-debug.texi')
| -rw-r--r-- | doc/ref/api-debug.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/ref/api-debug.texi b/doc/ref/api-debug.texi index 747ac45d1..37a5b21ab 100644 --- a/doc/ref/api-debug.texi +++ b/doc/ref/api-debug.texi @@ -256,6 +256,17 @@ If the @code{positions} reader option is enabled, each parenthesized expression will have values set for the @code{filename}, @code{line} and @code{column} properties. +If you're stuck with defmacros (@pxref{Defmacros}), and want to preserve +source information, the following helper function might be useful to +you: + +@deffn {Scheme Procedure} cons-source xorig x y +@deffnx {C Function} scm_cons_source (xorig, x, y) +Create and return a new pair whose car and cdr are @var{x} and @var{y}. +Any source properties associated with @var{xorig} are also associated +with the new pair. +@end deffn + @node Starting a New Stack @subsubsection Starting a New Stack |