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| author | Mattias Engdegård <mattiase@acm.org> | 2020-02-11 20:04:42 +0100 |
|---|---|---|
| committer | Mattias Engdegård <mattiase@acm.org> | 2020-03-01 10:47:14 +0100 |
| commit | 49d3cd90bd80a225d5ec26027318ffb4606ff513 (patch) | |
| tree | 13ba7b7faec7014b626d1c4dfdbfec98df44631f /test/lisp/emacs-lisp/cl-seq-tests.el | |
| parent | 6b48aedb6b3b1de0b41b61b727d14ab8277d2f73 (diff) | |
| download | emacs-49d3cd90bd80a225d5ec26027318ffb4606ff513.tar.gz emacs-49d3cd90bd80a225d5ec26027318ffb4606ff513.tar.bz2 emacs-49d3cd90bd80a225d5ec26027318ffb4606ff513.zip | |
rx: Improve 'or' compositionality (bug#37659)
Perform 'regexp-opt' on nested 'or' forms, and after expansion of
user-defined and 'eval' forms. Characters are now turned into strings
for wider 'regexp-opt' scope. This preserves the longest-match
semantics for string in 'or' forms over composition.
* doc/lispref/searching.texi (Rx Constructs): Document.
* lisp/emacs-lisp/rx.el (rx--normalise-or-arg)
(rx--all-string-or-args): New.
(rx--translate-or): Normalise arguments first, and check for strings
in subforms.
(rx--expand-eval): Extracted from rx--translate-eval.
(rx--translate-eval): Call rx--expand-eval.
* test/lisp/emacs-lisp/rx-tests.el (rx-or, rx-def-in-or): Add tests.
* etc/NEWS: Announce.
Diffstat (limited to 'test/lisp/emacs-lisp/cl-seq-tests.el')
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