--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/guile/guile-snarf.1 Fri Apr 08 07:40:32 2011 -0700
@@ -0,0 +1,135 @@
+'\" t
+.\"
+.\" Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
+.\"
+.\" This man page created by Oracle to provide a reference to the
+.\" Info format documentation for guile provided with the distribution.
+.\"
+.TH guile-snarf 1 "26 May 2008"
+.SH NAME
+guile-snarf \- a tool designed to help guile users to collect subr
+information from distributed c files
+.SH SYNOPSIS
+/usr/bin/guile-snarf [-o outfile] [cpp-args ...]
+.SH DESCRIPTION
+When writing C code for use with Guile, you typically define a set of
+C functions, and then make some of them visible to the Scheme world by
+calling the scm_c_define_gsubr function; a C function published in this
+way is called a subr. If you have many subrs to publish, it can sometimes
+be annoying to keep the list of calls to scm_c_define_gsubr in sync with
+the list of function definitions. Frequently, a programmer will define
+a new subr in C, recompile the application, and then discover that the
+Scheme interpreter cannot see the subr, because of a missed call to
+scm_c_define_gsubr.
+.LP
+Guile provides the guile-snarf command to manage this problem. Using this
+tool, you can keep all the information needed to define the subr alongside
+the function definition itself; guile-snarf will extract this information
+from your source code, and automatically generate a file of calls to
+scm_c_define_gsubr which you can #include into an initialization function.
+.LP
+The guile-snarf program will extract initialization actions to outfile or
+to standard output when no outfile has been specified or when outfile
+is -. The C preprocessor is called with cpp-args (which usually include
+an input file) and the output is filtered to extract the initialization
+actions.
+.LP
+If there are errors during processing, outfile is deleted and the program
+exits with non-zero status.
+.LP
+During snarfing, the pre-processor macro SCM_MAGIC_SNARFER is defined.
+You could use this to avoid including snarfer output files that don't yet
+exist by writing code like this:
+.LP
+ #ifndef SCM_MAGIC_SNARFER
+ #include "foo.x"
+ #endif
+.LP
+If the environment variable CPP is set, use its value instead of the C
+pre-processor determined at Guile configure-time.
+.SH EXAMPLES
+For example, here is how you might define a new subr called clear-image,
+implemented by the C function clear_image:
+.LP
+ #include <libguile.h>
+
+ SCM_DEFINE (clear_image, "clear-image", 1, 0, 0,
+ (SCM image_smob),
+ "Clear the image.")
+
+ #define FUNC_NAME s_clear_image
+ {
+ /* C code to clear the image in image_smob... */
+
+ }
+ #undef FUNC_NAME
+
+ void
+ init_image_type ()
+ {
+ #include "image-type.x"
+ }
+.LP
+The SCM_DEFINE declaration says that the C function clear_image implements
+a Scheme subr called clear-image, which takes one required argument (of
+type SCM and named image_smob), no optional arguments, and no rest argument.
+See Doc Snarfing, for info on the docstring.
+.LP
+This works in concert with FUNC_NAME to also define a static array of
+characters named s_clear_image, initialized to the string "clear-image".
+The body of clear_image may use the array in error messages, instead of
+writing out the literal string; this may save string space on some systems.
+.LP
+Assuming the text above lives in a file named image-type.c, you will need
+to execute the following command to prepare this file for compilation:
+
+.I guile-snarf -o image-type.x image-type.c
+.LP
+This scans image-type.c for SCM_DEFINE declarations, and writes to
+image-type.x the output:
+.LP
+scm_c_define_gsubr (s_clear_image, 1, 0, 0, (SCM (*)() ) clear_image);
+.LP
+When compiled normally, SCM_DEFINE is a macro which expands to a
+declaration of the s_clear_image string and the function header for
+clear_image.
+.LP
+Note that the output file name matches the #include from the input file.
+Also, you still need to provide all the same information you would if you
+were using scm_c_define_gsubr yourself, but you can place the information
+near the function definition itself, so it is less likely to become
+incorrect or out-of-date.
+.LP
+If you have many files that guile-snarf must process, you should consider
+using a fragment like the following in your Makefile:
+
+ snarfcppopts = $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
+ .SUFFIXES: .x
+ .c.x:
+ guile-snarf -o $ $< $(snarfcppopts)
+.LP
+This tells make to run guile-snarf to produce each needed .x file from the
+corresponding .c file.
+.LP
+The program guile-snarf passes its command-line arguments directly to the
+C preprocessor, which it uses to extract the information it needs from
+the source code. this means you can pass normal compilation flags to
+guile-snarf to define preprocessor symbols, add header file directories,
+and so on.
+.SH ATTRIBUTES
+See
+.BR attributes (5)
+for descriptions of the following attributes:
+.sp
+.TS
+box;
+cbp-1 | cbp-1
+l | l .
+ATTRIBUTE TYPE ATTRIBUTE VALUE
+=
+Availability library/guile
+=
+Interface Stability Uncommitted
+.TE
+.SH NOTES
+Source for guile is available on http://opensolaris.org.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/guile/guile.license Fri Apr 08 07:40:32 2011 -0700
@@ -0,0 +1,518 @@
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+everyone can redistribute and change. You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of the
+ordinary General Public License).
+
+ To apply these terms, attach the following notices to the library. It is
+safest to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the library's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Also add information on how to contact you by electronic and paper mail.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the library, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the
+ library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+ <signature of Ty Coon>, 1 April 1990
+ Ty Coon, President of Vice
+
+That's all there is to it!
+
+