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Philipp Stephani 48ffef5ef4 Implement finalizers for module functions (Bug#30373) 
* src/module-env-28.h: Add new module environment functions to
module environment for Emacs 28.

* src/emacs-module.h.in: Document that 'emacs_finalizer' also works
for function finalizers.

* src/emacs-module.c (CHECK_MODULE_FUNCTION): New function.
(struct Lisp_Module_Function): Add finalizer data member.
(module_make_function): Initialize finalizer.
(module_get_function_finalizer)
(module_set_function_finalizer): New module environment functions.
(module_finalize_function): New function.
(initialize_environment): Initialize new environment functions.

* src/alloc.c (cleanup_vector): Call potential module function
finalizer during garbage collection.

* test/data/emacs-module/mod-test.c (signal_error): New helper
function.
(memory_full): Use it.
(finalizer): New example function finalizer.
(Fmod_test_make_function_with_finalizer)
(Fmod_test_function_finalizer_calls): New test module functions.
(emacs_module_init): Define them.

* test/src/emacs-module-tests.el (module/function-finalizer): New unit
test.

* doc/lispref/internals.texi (Module Functions): Document new
functionality.
(Module Misc): Move description of 'emacs_finalizer' type to 'Module
Functions' node, and add a reference to it.

* etc/NEWS: Mention new functionality.
2020-01-03 19:24:10 +01:00
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README

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Copyright (C) 2001-2020 Free Software Foundation, Inc.  -*- outline -*-
See the end of the file for license conditions.


README for the Emacs Lisp Reference Manual.

* This directory contains the texinfo source files for the Emacs Lisp
Reference Manual.

* Report bugs in the Lisp Manual (or in Emacs) using M-x report-emacs-bug.
To ask questions, use the help-gnu-emacs mailing list.

* The Emacs Lisp Reference Manual is quite large.  It totals around
1100 pages in smallbook format; the info files total around 3.0 megabytes.

* You can format this manual for Info, for printing hardcopy using TeX,
or for HTML.

* You can buy nicely printed copies from the Free Software Foundation.
Buying a manual from the Free Software Foundation helps support our GNU
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(At time of writing, this manual is out of print.)

* The master file for formatting this manual for Tex is called 'elisp.texi'.
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** To make an Info file, you need to install Texinfo, then run 'make info'.

** Use 'make elisp.pdf' or 'make elisp.html' to create PDF or HTML versions.


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GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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(at your option) any later version.

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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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You should have received a copy of the GNU General Public License
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