Add more font-lock faces (Bug#58940)

* lisp/font-lock.el (font-lock-bracket-face, font-lock-delimiter-face,
font-lock-escape-face, font-lock-number-face,
font-lock-misc-punctuation-face, font-lock-operator-face,
font-lock-property-face, font-lock-punctuation-face): Define new
faces.
* lisp/cus-theme.el (custom-theme--listed-faces): Add them to the
list.
* doc/lispref/modes.texi (Faces for Font Lock): Document them.
* etc/NEWS: Mention them.

doc/lispref/modes.texi

@@ -3653,6 +3653,71 @@ This face inherits, by default, from @code{font-lock-constant-face}.
 @item font-lock-negation-char-face
 @vindex font-lock-negation-char-face
 for easily-overlooked negation characters.
+
+@item font-lock-escape-face
+@vindex font-lock-escape-face
+for escape sequences in strings.
+This face inherits, by default, from @code{font-lock-regexp-grouping-backslash}.
+
+Here is an example in Python, where the escape sequence @code{\n} is used:
+
+@smallexample
+@group
+print('Hello world!\n')
+@end group
+@end smallexample
+
+@item font-lock-number-face
+@vindex font-lock-number-face
+for numbers.
+
+@item font-lock-operator-face
+@vindex font-lock-operator-face
+for operators.
+
+@item font-lock-property-face
+@vindex font-lock-property-face
+for properties of an object, such as the declaration and use of fields
+in a struct.
+This face inherits, by default, from @code{font-lock-variable-name-face}.
+
+For example,
+
+@smallexample
+@group
+typedef struct
+@{
+  int prop;
+//    ^ property
+@} obj;
+
+int main()
+@{
+  obj o;
+  o.prop = 3;
+//  ^ property
+@}
+@end group
+@end smallexample
+
+@item font-lock-punctuation-face
+@vindex font-lock-punctuation-face
+for punctuation such as brackets and delimiters.
+
+@item font-lock-bracket-face
+@vindex font-lock-bracket-face
+for brackets (e.g., @code{()}, @code{[]}, @code{@{@}}).
+This face inherits, by default, from @code{font-lock-punctuation-face}.
+
+@item font-lock-delimiter-face
+@vindex font-lock-delimiter-face
+for delimiters (e.g., @code{;}, @code{:}, @code{,}).
+This face inherits, by default, from @code{font-lock-punctuation-face}.
+
+@item font-lock-misc-punctuation-face
+@vindex font-lock-misc-punctuation-face
+for punctuation that is not a bracket or delimiter.
+This face inherits, by default, from @code{font-lock-punctuation-face}.
 @end table
 
 @node Syntactic Font Lock

etc/NEWS

@@ -732,6 +732,14 @@ If the current buffer is visiting a file that is executable, the
 This determines how long to pause Emacs after a process
 filter/sentinel error has been handled.
 
++++
+** New faces for font-lock.
+These faces are primarily meant for use with tree-sitter. They are:
+'font-lock-bracket-face', 'font-lock-delimiter-face',
+'font-lock-escape-face', 'font-lock-number-face',
+'font-lock-misc-punctuation-face', 'font-lock-operator-face',
+'font-lock-property-face', 'font-lock-punctuation-face'.
+
 +++
 ** New face 'variable-pitch-text'.
 This face is like 'variable-pitch' (from which it inherits), but is

lisp/cus-theme.el

@@ -66,13 +66,17 @@ Do not call this mode function yourself.  It is meant for internal use."
   variable-pitch escape-glyph homoglyph
   minibuffer-prompt highlight region
   shadow secondary-selection trailing-whitespace
-  font-lock-builtin-face font-lock-comment-delimiter-face
-  font-lock-comment-face font-lock-constant-face
-  font-lock-doc-face font-lock-doc-markup-face font-lock-function-name-face
+  font-lock-bracket-face font-lock-builtin-face
+  font-lock-comment-delimiter-face font-lock-comment-face
+  font-lock-constant-face font-lock-delimiter-face
+  font-lock-doc-face font-lock-doc-markup-face
+  font-lock-escape-face font-lock-function-name-face
   font-lock-keyword-face font-lock-negation-char-face
-  font-lock-preprocessor-face font-lock-regexp-grouping-backslash
-  font-lock-regexp-grouping-construct font-lock-string-face
-  font-lock-type-face font-lock-variable-name-face
+  font-lock-number-face font-lock-misc-punctuation-face
+  font-lock-operator-face font-lock-preprocessor-face
+  font-lock-property-face font-lock-punctuation-face
+  font-lock-regexp-grouping-backslash font-lock-regexp-grouping-construct
+  font-lock-string-face font-lock-type-face font-lock-variable-name-face
   font-lock-warning-face button link link-visited fringe
   header-line tooltip mode-line mode-line-buffer-id
   mode-line-emphasis mode-line-highlight mode-line-inactive

lisp/font-lock.el

@@ -2095,6 +2095,55 @@ as the constructs of Haddock, Javadoc and similar systems."
   "Font Lock mode face used to highlight grouping constructs in Lisp regexps."
   :group 'font-lock-faces)
 
+(defface font-lock-escape-face
+  '((t :inherit font-lock-regexp-grouping-backslash))
+  "Font Lock mode face used to highlight escape sequences in strings."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-number-face
+  '((t nil))
+  "Font Lock mode face used to highlight numbers."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-operator-face
+  '((t nil))
+  "Font Lock mode face used to highlight operators."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-property-face
+  '((t :inherit font-lock-variable-name-face))
+  "Font Lock mode face used to highlight properties of an object.
+For example, the declaration and use of fields in a struct."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-punctuation-face
+  '((t nil))
+  "Font Lock mode face used to highlight punctuation."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-bracket-face
+  '((t :inherit font-lock-punctuation-face))
+  "Font Lock mode face used to highlight brackets."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-delimiter-face
+  '((t :inherit font-lock-punctuation-face))
+  "Font Lock mode face used to highlight delimiters."
+  :group 'font-lock-faces
+  :version "29.1")
+
+(defface font-lock-misc-punctuation-face
+  '((t :inherit font-lock-punctuation-face))
+  "Font Lock mode face used to highlight miscellaneous punctuation."
+  :group 'font-lock-faces
+  :version "29.1")
+
 ;; End of Color etc. support.
 
 ;;; Menu support.