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[Emacs-diffs] dynamic-modules 1be7b68 10/22: new module: opaque
From: |
Teodor Zlatanov |
Subject: |
[Emacs-diffs] dynamic-modules 1be7b68 10/22: new module: opaque |
Date: |
Thu, 27 Nov 2014 02:01:52 +0000 |
branch: dynamic-modules
commit 1be7b68e1260220f256131a239f1be535269f33c
Author: Aurélien Aptel <address@hidden>
Date: Sun Nov 23 21:08:48 2014 +0100
new module: opaque
The opaque module is a simple module which shows how to embed any C
type in a Lisp_Object.
---
modules/opaque/Makefile | 12 ++++++++++
modules/opaque/opaque.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 65 insertions(+), 0 deletions(-)
diff --git a/modules/opaque/Makefile b/modules/opaque/Makefile
new file mode 100644
index 0000000..7f50732
--- /dev/null
+++ b/modules/opaque/Makefile
@@ -0,0 +1,12 @@
+ROOT = ../..
+
+all: opaque.so opaque.doc
+
+%.so: %.o
+ gcc -shared -o $@ $<
+
+%.o: %.c
+ gcc -ggdb3 -Wall -I$(ROOT)/src -I$(ROOT)/lib -fPIC -c $<
+
+%.doc: %.c
+ $(ROOT)/lib-src/make-docfile $< > $@
diff --git a/modules/opaque/opaque.c b/modules/opaque/opaque.c
new file mode 100644
index 0000000..f1ba759
--- /dev/null
+++ b/modules/opaque/opaque.c
@@ -0,0 +1,53 @@
+#include <config.h>
+#include <lisp.h>
+
+int plugin_is_GPL_compatible;
+
+struct opaque
+{
+ int a, b, c;
+};
+
+static Lisp_Object Qa, Qb, Qc;
+
+EXFUN (Fopaque_make, 3);
+DEFUN ("opaque-make", Fopaque_make, Sopaque_make, 3, 3, 0,
+ doc: "Make opaque type.")
+ (Lisp_Object a, Lisp_Object b, Lisp_Object c)
+{
+ struct opaque *p = malloc (sizeof (*p));
+ p->a = XINT (a);
+ p->b = XINT (b);
+ p->c = XINT (c);
+ return make_save_ptr ((void*)p);
+}
+
+EXFUN (Fopaque_free, 1);
+DEFUN ("opaque-free", Fopaque_free, Sopaque_free, 1, 1, 0,
+ doc: "Free opaque type.")
+ (Lisp_Object p)
+{
+ free (XSAVE_POINTER (p, 0));
+ return Qnil;
+}
+
+EXFUN (Fopaque_get, 2);
+DEFUN ("opaque-get", Fopaque_get, Sopaque_get, 2, 2, 0,
+ doc: "Return the field F (`a', `b', `c') of the opaque object OBJ.")
+ (Lisp_Object obj, Lisp_Object f)
+{
+ struct opaque *p = XSAVE_POINTER (obj, 0);
+ int val = EQ (f, Qa) ? p->a : EQ (f, Qb) ? p->b : EQ (f, Qc) ? p->c : -1;
+ return make_number (val);
+}
+
+void init ()
+{
+ DEFSYM (Qa, "a");
+ DEFSYM (Qb, "b");
+ DEFSYM (Qc, "c");
+
+ defsubr (&Sopaque_make);
+ defsubr (&Sopaque_free);
+ defsubr (&Sopaque_get);
+}
- [Emacs-diffs] dynamic-modules 14ea9e0 03/22: intern literal strings as regular string., (continued)
- [Emacs-diffs] dynamic-modules 14ea9e0 03/22: intern literal strings as regular string., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 3f762bd 02/22: add `load-module' function to emacs lisp., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 5c710fb 01/22: add libltdl configure option/dependency., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 2010646 04/22: add sample module `fmod'., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 1be03fd 08/22: doc.c: don't prefix doc path by ../etc/ for modules, Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules fa450f8 07/22: doc.c: use DOC format sanity checks instead of bytecompiled checks on module doc files., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules d2271bc 06/22: alloc.c: protect doc field from GC., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules cc5fe95 09/22: move fmod module in modules/fmod/., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules c0eb5a6 05/22: change Subr doc field from char* to Lisp_Object., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules e374b97 11/22: opaque: add comments., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 1be7b68 10/22: new module: opaque,
Teodor Zlatanov <=
- [Emacs-diffs] dynamic-modules db69d49 12/22: new module: elisp, Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 106c15b 14/22: curl: use url arg., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 334564f 15/22: fix docstring., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules ada5c5e 13/22: new module: curl. basic URL fetcher working., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 399d8ec 16/22: make `load' look for and handle dynamic modules., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 01e2303 17/22: update modules examples with `provide' call., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 6334cf7 18/22: use `load-module-suffixes' as a source of module suffixes., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules eae5da9 20/22: yaml module: add `yaml-parse-string'., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 4efd6a2 21/22: yaml module: rename `yaml-parse' to `yaml-parse-buffer'., Teodor Zlatanov, 2014/11/26
- [Emacs-diffs] dynamic-modules 9313182 22/22: configure.ac: dynamic modules off by default., Teodor Zlatanov, 2014/11/26