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cperl-mode.el: Support syntax of Perl version 5.42
* lisp/progmodes/cperl-mode.el (cperl--sub-name-generated-rx): Simplify captures to account for the :writer attribute. Parsing is done later. (cperl-imenu-sub-keywords): Remove attributes which generate subs (cperl-imenu--create-perl-index): Analyze field declarations for autogenerated methods (cperl-init-faces): Add "all" and "any" to the list of functions (cperl-short-docs): Add short docs for "all" and "any" * test/lisp/progmodes/cperl-mode-tests.el (cperl-test-autogenerated-reader-rx): Adjust for modified rx form due to ":writer" support (cperl-test-imenu-index): Add tests for autogenerated writer accessors (in grammar.pl) * test/lisp/progmodes/cperl-mode-resources/grammar.pl: Add code samples for ":writer" * etc/NEWS: Announce that CPerl mode supports Perl 5.42.
This commit is contained in:
Harald Jörg
parent
62fba3a723
commit
cef4302d30
4 changed files with 67 additions and 29 deletions
7
etc/NEWS
7
etc/NEWS
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@ -2460,6 +2460,13 @@ The new commands 'newsticker-hide-old-feed-header' and
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respectively, hide and show the headers of feeds whose items are all old
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or obsolete.
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** CPerl mode
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*** Syntax of Perl up to version 5.42 is supported.
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CPerl mode creates imenu entries for :writer-generated accessors and
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recognizes the new functions "all" and "any".
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* New Modes and Packages in Emacs 31.1
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@ -1465,28 +1465,17 @@ the subroutine name.")
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`(sequence symbol-start
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(optional (group-n 3 unmatchable))
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;; autogenerated methods are not lexicals, so enforce the
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;; first capture group to be nil
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"field"
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;; third capture group to be nil
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(group-n 1 "field")
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,cperl--ws+-rx
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(or
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(sequence (in "$%@")
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(group-n 2 ,cperl--basic-identifier-rx)
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(1+ (not (in ";={")))
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":"
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(group-n 1 "reader")
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(not "("))
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(sequence ,cperl--basic-variable-rx
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(1+ (not (in ";={")))
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":"
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(group-n 1 "reader")
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"("
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(group-n 2 ,cperl--basic-identifier-rx)
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")")))
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,cperl--basic-variable-rx
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,cperl--ws+-rx
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(group-n 2 ,cperl--attribute-list-rx))
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"A regular expression to capture autogenerated reader methods.
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The name of the method is either the field name without its sigil, or
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given in parentheses after the \":reader\" keyword.")
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;; I don't dare to think about :writer where the generated name does
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;; not even occur in the text.
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given in parentheses after the \":reader\" or \":writer\" keyword. More
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than one attribute can be present: The match will be parsed in an extra
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step.")
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(defconst cperl--block-declaration-rx
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`(sequence
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@ -6106,8 +6095,7 @@ use, it indicates a recursive call."
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;; The following lists are used for categorizing the entries found by
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;; `cperl-imenu--create-perl-index'.
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(defvar cperl-imenu-package-keywords '("package" "class" "role"))
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(defvar cperl-imenu-sub-keywords '("sub" "method" "function" "fun"
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"reader")) ;; for autogenerated
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(defvar cperl-imenu-sub-keywords '("sub" "method" "function" "fun"))
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(defvar cperl-imenu-pod-keywords '("=head"))
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(defun cperl-imenu--create-perl-index ()
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@ -6175,6 +6163,38 @@ comment, or POD."
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(push index index-alist)
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(push index index-sub-alist)
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(push index index-unsorted-alist))))
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((string-equal entry-type "field")
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(unless (nth 4 state) ; skip if in a comment
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(let ((limit (match-end 0))
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field-name)
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(save-excursion
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(goto-char (match-end 1))
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(re-search-forward
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(rx (in "$%@")
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(group-n 1 (eval cperl--basic-identifier-rx)))
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limit t)
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(setq field-name (match-string-no-properties 1))
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(when field-name
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(while (re-search-forward
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(rx (group-n 1 (eval cperl--basic-identifier-rx))
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(optional
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(sequence
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"("
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(group-n 2
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(eval cperl--basic-identifier-rx))
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")")))
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limit t)
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(when (member (match-string 1) '("reader" "writer"))
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(let* ((name (or (match-string 2)
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(if (string-equal
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(match-string 1) "reader")
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field-name)
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(concat "set_" field-name)))
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(qname (concat current-namespace "->" name))
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(index (cons qname (match-beginning 1))))
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(push index index-alist)
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(push index index-sub-alist)
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(push index index-unsorted-alist)))))))))
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((member entry-type cperl-imenu-pod-keywords) ; POD heading
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(when (get-text-property (match-beginning 2) 'in-pod)
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(setq name (concat (make-string
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@ -6461,7 +6481,9 @@ functions (which they are not). Inherits from `default'.")
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"\\(^\\|[^$@%&\\]\\)\\<\\("
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(regexp-opt
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'("AUTOLOAD" "BEGIN" "CHECK" "DESTROY" "END" "INIT" "UNITCHECK"
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"__END__" "__DATA__" "break" "catch" "chomp" "chop" "default"
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"__END__" "__DATA__"
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"all" "any"
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"break" "catch" "chomp" "chop" "default"
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"defined" "delete" "do" "each" "else" "elsif" "eval"
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"evalbytes" "exists" "finally" "for" "foreach" "format" "given"
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"goto" "grep" "if" "keys" "last" "local" "m" "map" "my" "next"
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@ -8295,6 +8317,8 @@ DATA Input filehandle for what follows after __END__ or __DATA__.
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abs [ EXPR ] absolute value function
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accept(NEWSOCKET,GENERICSOCKET) accept an incoming socket connect
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alarm(SECONDS) schedule a SIGALRM
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all {BLOCK} LIST true if BLOCK is true for all elements in LIST
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any {BLOCK} LIST true if BLOCK is true for any element in LIST
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async(SUB NAME {}|SUB {}) Mark function as potentially asynchronous
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atan2(X,Y) arctangent of Y/X in the range -PI to PI
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await(ASYNCEXPR) Yield result of Future
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@ -1,4 +1,4 @@
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use 5.024;
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use 5.042;
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use strict;
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use warnings;
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use utf8;
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@ -204,9 +204,11 @@ method-generator for classes are available with Perl 5.40.
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=cut
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class With::Readers {
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class With::Accessors {
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field $simple;
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field $auto_reader :reader;
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field $named_reader :reader(named);
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field $auto_writer :writer = 0;
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field $auto_all :param :reader(read_all) :writer;
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}
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1;
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@ -637,14 +637,16 @@ Also includes valid cases with whitespace in strange places."
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"field $name :param :reader;"
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"field $field :param :reader(name);"
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"field $field :reader(name) :param;"
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"field $field :reader(name) = 'value';")))
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"field $field :reader(name) = 'value';"
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"field $field :writer = 'value';"
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"field $field :writer(write_f)")))
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(dolist (code code-examples)
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(with-temp-buffer
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(insert code)
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(goto-char (point-min))
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(search-forward-regexp (rx (eval cperl--sub-name-generated-rx)))
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(should (string= (match-string 1) "reader"))
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(should (string= (match-string 2) "name"))))))
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(should (string= (match-string 1) "field"))
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(should (string-match ":\\(reader\\|writer\\)" (match-string 2)))))))
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;;; Test unicode identifier in various places
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@ -973,8 +975,11 @@ created by CPerl mode, so skip it for Perl mode."
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"Erdős::Number::erdős_number"
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"Class::Class::init"
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"Class::Inner::init_again"
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"With::Readers::auto_reader"
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"With::Readers::named")))
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"With::Accessors->auto_reader"
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"With::Accessors->named"
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"With::Accessors->set_auto_writer"
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"With::Accessors->read_all"
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"With::Accessors->set_auto_all")))
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(dolist (sub expected)
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(should (assoc-string sub index))))
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(should-not (assoc-string "_false" index)))))
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