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guile/libguile/gdb_interface.h
Marius Vollmer c01a6af52f * __scm.h, alist.h, arbiters.h, async.h, backtrace.h, boolean.h, 
chars.h, continuations.h, coop-defs.h, coop-threads.h,
debug-malloc.h, debug.h, deprecation.h, dynl.h, dynwind.h,
environments.h, eq.h, error.h, eval.h, evalext.h, extensions.h,
feature.h, filesys.h, fluids.h, fports.h, gc.h, gdb_interface.h,
gdbint.h, gh.h, goops.h, gsubr.h, guardians.h, hash.h, hashtab.h,
hooks.h, init.h, ioext.h, iselect.h, keywords.h, lang.h, list.h,
load.h, macros.h, mallocs.h, modules.h, net_db.h, numbers.h,
objects.h, objprop.h, options.h, pairs.h, ports.h, posix.h, print.h,
procprop.h, procs.h, properties.h, ramap.h, random.h, rdelim.h,
read.h, regex-posix.h, root.h, rw.h, scmsigs.h, script.h, simpos.h,
smob.h, socket.h, sort.h, srcprop.h, stackchk.h, stacks.h, stime.h,
strings.h, strop.h, strorder.h, strports.h, struct.h, symbols.h,
tags.h, threads.h, throw.h, unif.h, values.h, variable.h, vectors.h,
vports.h, weaks.h:
Prefixed each each exported symbol with SCM_API.

* gdb_interface.h (GDB_INTERFACE): Also support __CYGWIN__.
2001-11-02 00:09:41 +00:00

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/* classes: h_files */
#ifndef GDB_INTERFACE_H
#define GDB_INTERFACE_H
/* Simple interpreter interface for GDB, the GNU debugger.
Copyright (C) 1996, 2000, 2001 Free Software Foundation
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
As a special exception, the Free Software Foundation gives permission
for additional uses of the text contained in its release of GUILE.
The exception is that, if you link the GUILE library with other files
to produce an executable, this does not by itself cause the
resulting executable to be covered by the GNU General Public License.
Your use of that executable is in no way restricted on account of
linking the GUILE library code into it.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License.
This exception applies only to the code released by the
Free Software Foundation under the name GUILE. If you copy
code from other Free Software Foundation releases into a copy of
GUILE, as the General Public License permits, the exception does
not apply to the code that you add in this way. To avoid misleading
anyone as to the status of such modified files, you must delete
this exception notice from them.
If you write modifications of your own for GUILE, it is your choice
whether to permit this exception to apply to your modifications.
If you do not wish that, delete this exception notice.
The author can be reached at djurfeldt@nada.kth.se
Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN */
/* This is the header file for GDB's interpreter interface. The
interpreter must supply definitions of all symbols declared in this
file.
Before including this file, you must #define GDB_TYPE to be the
data type used for communication with the interpreter. */
/* The following macro can be used to anchor the symbols of the
interface in your main program. This is necessary if the interface
is defined in a library, such as Guile. */
#if !defined (__MINGW32__) && !defined (__CYGWIN__)
#define GDB_INTERFACE \
void *gdb_interface[] = { \
&gdb_options, \
&gdb_language, \
&gdb_result, \
&gdb_output, \
&gdb_output_length, \
(void *) gdb_maybe_valid_type_p, \
(void *) gdb_read, \
(void *) gdb_eval, \
(void *) gdb_print, \
(void *) gdb_binding \
}
#else /* __MINGW32__, __CYGWIN__ */
/* Because the following functions are imported from a DLL (some kind of
shared library) these are NO static initializers. That is why you need to
define them and assign the functions and data items at run time. */
#define GDB_INTERFACE \
void *gdb_interface[] = \
{ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
#define GDB_INTERFACE_INIT \
do { \
gdb_interface[0] = &gdb_options; \
gdb_interface[1] = &gdb_language; \
gdb_interface[2] = &gdb_result; \
gdb_interface[3] = &gdb_output; \
gdb_interface[4] = &gdb_output_length; \
gdb_interface[5] = (void *) gdb_maybe_valid_type_p; \
gdb_interface[6] = (void *) gdb_read; \
gdb_interface[7] = (void *) gdb_eval; \
gdb_interface[8] = (void *) gdb_print; \
gdb_interface[9] = (void *) gdb_binding; \
} while (0);
#endif /* __MINGW32__ */
/* GDB_OPTIONS is a set of flags informing gdb what features are present
in the interface. Currently only one option is supported: */
/* GDB_HAVE_BINDINGS: Set this bit if your interpreter can create new
top level bindings on demand (through gdb_top_level_binding) */
#define GDB_HAVE_BINDINGS 1
SCM_API unsigned short gdb_options;
/* GDB_LANGUAGE holds the name of the preferred language mode for this
interpreter. For lisp interpreters, the suggested mode is "lisp/c". */
SCM_API char *gdb_language;
/* GDB_RESULT is used for passing results from the interpreter to GDB */
SCM_API GDB_TYPE gdb_result;
/* The interpreter passes strings to GDB in GDB_OUTPUT and
GDB_OUTPUT_LENGTH. GDB_OUTPUT should hold the pointer to the
string. GDB_OUTPUT_LENGTH should hold its length. The string
doesn't need to be terminated by '\0'. */
SCM_API char *gdb_output;
SCM_API int gdb_output_length;
/* Return TRUE if the interpreter regards VALUE's type as valid. A
lazy implementation is allowed to pass TRUE always. FALSE should
only be returned when it is certain that VALUE is not valid.
In the "lisp/c" language mode, this is used to heuristically
discriminate lisp values from C values during printing. */
SCM_API int gdb_maybe_valid_type_p (GDB_TYPE value);
/* Parse expression in string STR. Store result in GDB_RESULT, then
return 0 to indicate success. On error, return -1 to indicate
failure. An error string can be passed in GDB_OUTPUT and
GDB_OUTPUT_LENGTH. Be careful to set GDB_OUTPUT_LENGTH to zero if
no message is passed. Please note that the resulting value should
be protected against garbage collection. */
SCM_API int gdb_read (char *str);
/* Evaluate expression EXP. Store result in GDB_RESULT, then return 0
to indicate success. On error, return -1 to indicate failure. Any
output (both on success and failure) can be passed in GDB_OUTPUT
and GDB_OUTPUT_LENGTH. Be careful to set GDB_OUTPUT_LENGTH to zero
if no output is passed. Please note that the resulting lisp object
should be protected against garbage collection. */
SCM_API int gdb_eval (GDB_TYPE exp);
/* Print VALUE. Store output in GDB_OUTPUT and GDB_OUTPUT_LENGTH.
Return 0 to indicate success. On error, return -1 to indicate
failure. GDB will not look at GDB_OUTPUT or GDB_OUTPUT_LENGTH on
failure. Note that this function should be robust against strange
values. It could in fact be passed any kind of value. */
SCM_API int gdb_print (GDB_TYPE value);
/* Bind NAME to VALUE in interpreter. (GDB has previously obtained
NAME by passing a string to gdb_read.) Return 0 to indicate
success or -1 to indicate failure. This feature is optional. GDB
will only call this function if the GDB_HAVE_BINDINGS flag is set
in gdb_options. Note that GDB may call this function many times
for the same name.
For scheme interpreters, this function should introduce top-level
bindings. */
SCM_API int gdb_binding (GDB_TYPE name, GDB_TYPE value);
#endif /* GDB_INTERFACE_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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