bug#45183: [PATCH] cperl-mode: Remove obsolete font-lock fallbacks

[haj@posteo.de (Harald Jörg)]

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Severity: minor

This is a followup inspired by a recent commit by Stefan Kangas
"Assume font-lock is provided; it's preloaded since 22.1".

In that case, we can safely shave off some fallback conditionals.
Patch attached.

--
Cheers,
haj

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From e2d7b0bcc865cef5aa8f3f8b891f9fcc97ccbe5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Harald=20J=C3=B6rg?= <haj@posteo.de>
Date: Fri, 11 Dec 2020 17:48:30 +0100
Subject: [PATCH] ; cperl-mode: Eliminate fallbacks if font-lock isn't loaded

* lisp/progmodes/cperl-mode.el (cperl-find-pods-heres):
Eliminate conditionals which always evaluate to true if
font-lock is preloaded (since Emacs 22.1).
---
 lisp/progmodes/cperl-mode.el | 45 ++++++------------------------------
 1 file changed, 7 insertions(+), 38 deletions(-)

diff --git a/lisp/progmodes/cperl-mode.el b/lisp/progmodes/cperl-mode.el
index ed9b234d69..ae839a6622 100644
--- a/lisp/progmodes/cperl-mode.el
+++ b/lisp/progmodes/cperl-mode.el
@@ -3473,49 +3473,18 @@ cperl-find-pods-heres
 	 (font-lock-string-face (if (boundp 'font-lock-string-face)
 				    font-lock-string-face
 				  'font-lock-string-face))
-	 (my-cperl-delimiters-face (if (boundp 'font-lock-constant-face)
-				      font-lock-constant-face
-				    'font-lock-constant-face))
+	 (my-cperl-delimiters-face
+	  font-lock-constant-face)
 	 (my-cperl-REx-spec-char-face	; [] ^.$ and wrapper-of ({})
-	  (if (boundp 'font-lock-function-name-face)
-	      font-lock-function-name-face
-	    'font-lock-function-name-face))
-	 (font-lock-variable-name-face	; interpolated vars and ({})-code
-	  (if (boundp 'font-lock-variable-name-face)
-	      font-lock-variable-name-face
-	    'font-lock-variable-name-face))
-	 (font-lock-function-name-face	; used in `cperl-find-sub-attrs'
-	  (if (boundp 'font-lock-function-name-face)
-	      font-lock-function-name-face
-	    'font-lock-function-name-face))
-	 (font-lock-constant-face	; used in `cperl-find-sub-attrs'
-	  (if (boundp 'font-lock-constant-face)
-	      font-lock-constant-face
-	    'font-lock-constant-face))
+          font-lock-function-name-face)
 	 (my-cperl-REx-0length-face ; 0-length, (?:)etc, non-literal \
-	  (if (boundp 'font-lock-builtin-face)
-	      font-lock-builtin-face
-	    'font-lock-builtin-face))
-	 (font-lock-comment-face
-	  (if (boundp 'font-lock-comment-face)
-	      font-lock-comment-face
-	    'font-lock-comment-face))
-	 (font-lock-warning-face
-	  (if (boundp 'font-lock-warning-face)
-	      font-lock-warning-face
-	    'font-lock-warning-face))
+          font-lock-builtin-face)
 	 (my-cperl-REx-ctl-face		; (|)
-	  (if (boundp 'font-lock-keyword-face)
-	      font-lock-keyword-face
-	    'font-lock-keyword-face))
+          font-lock-keyword-face)
 	 (my-cperl-REx-modifiers-face	; //gims
-	  (if (boundp 'cperl-nonoverridable-face)
-	      cperl-nonoverridable-face
-	    'cperl-nonoverridable-face))
+	  'cperl-nonoverridable-face)
 	 (my-cperl-REx-length1-face	; length=1 escaped chars, POSIX classes
-	  (if (boundp 'font-lock-type-face)
-	      font-lock-type-face
-	    'font-lock-type-face))
+          font-lock-type-face)
 	 (stop-point (if ignore-max
 			 (point-max)
 		       max))
-- 
2.20.1