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Instead of a lambda, create a new type containing all data required to call the function, and support it in the evaluator. Because this type now also needs to store the function documentation, it is too big for Lisp_Misc; use a pseudovector instead. That also has the nice benefit that we don't have to add special support to the garbage collector. Since the new type is user-visible, give it a predicate. Now we can easily support 'help-function-args' and 'func-arity'; add unit tests for these. * src/lisp.h (allocate_module_function, MODULE_FUNCTIONP) (XMODULE_FUNCTION): New pseudovector type 'module function'. * src/eval.c (FUNCTIONP): Also treat module functions as functions. (funcall_lambda, Ffuncall, eval_sub): Add support for calling module functions. (Ffunc_arity): Add support for detecting the arity of module functions. * src/emacs-module.c (module_make_function): Adapt to new structure. Return module function object directly instead of wrapping it in a lambda; remove FIXME. (funcall_module): New function to call module functions. Replaces `internal--module-call' and is called directly from eval.c. (syms_of_module): Remove internal helper function, which is no longer needed. (module_function_arity): New helper function. * src/data.c (Ftype_of): Adapt to new implementation. (Fmodule_function_p, syms_of_data): New user-visible function. Now that module functions are first-class objects, they deserve a predicate. Define it even if not compiled with --enable-modules so that Lisp code doesn't have to check for the function's existence. * src/doc.c (Fdocumentation): Support module functions. * src/print.c (print_object): Adapt to new implementation. * src/alloc.c (mark_object): Specialized garbage collector support is no longer needed. * lisp/help.el (help-function-arglist): Support module functions. While there, simplify the arity calculation by using `func-arity', which does the right thing for all kinds of functions. * test/data/emacs-module/mod-test.c: Amend docstring so we can test the argument list. * test/src/emacs-module-tests.el (mod-test-sum-docstring): Adapt to new docstring. (mod-test-non-local-exit-signal-test): Because `internal--module-call' is gone, the backtrace has changed and no longer leaks the implementation. (module--func-arity): New test for `func-arity'. (module--help-function-arglist): New test for `help-function-arglist'. |
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Copyright (C) 2008-2017 Free Software Foundation, Inc. See the end of the file for license conditions. This directory contains files intended to test various aspects of Emacs's functionality. Please help add tests! See the file file-organization.org for the details of the directory structure and file-naming conventions. Emacs uses ERT, Emacs Lisp Regression Testing, for testing. See (info "(ert)") or https://www.gnu.org/software/emacs/manual/html_node/ert/ for more information on writing and running tests. The Makefile in this directory supports the following targets: * make check Run all tests as defined in the directory. Expensive tests are suppressed. The result of the tests for <filename>.el is stored in <filename>.log. * make check-maybe Like "make check", but run only the tests for files which have unresolved prerequisites. * make check-expensive Like "make check", but run also the tests marked as expensive. * make <filename> or make <filename>.log Run all tests declared in <filename>.el. This includes expensive tests. In the former case the output is shown on the terminal, in the latter case the output is written to <filename>.log. ERT offers selectors, which make it possible to filter out which test cases shall run. The make variable $(SELECTOR) gives you a simple mean to use your own selectors. The ERT manual describes how selectors are constructed, see (info "(ert)Test Selectors") or https://www.gnu.org/software/emacs/manual/html_node/ert/Test-Selectors.html You could use predefined selectors of the Makefile. "make <filename> SELECTOR='$(SELECTOR_DEFAULT)'" runs all tests for <filename>.el except the tests tagged as expensive. If your test file contains the tests "test-foo", "test2-foo" and "test-foo-remote", and you want to run only the former two tests, you could use a selector regexp: "make <filename> SELECTOR='\"foo$$\"'". (Also, see etc/compilation.txt for compilation mode font lock tests.) This file is part of GNU Emacs. 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 the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.