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Stefan Monnier authored
* loadup.el: Increase max-lisp-eval-depth when macroexpanding macroexp. * emacs-lisp/pcase.el: Allow (F . ARGS) in `app' patterns. (pcase--funcall, pcase--eval): New functions. (pcase--u1): Use them for guard, pred, let, and app. (\`): Use the new feature to generate better code for vector patterns. * emacs-lisp/pcase.el: Use pcase-defmacro to handle backquote. (pcase--upat): Remove. (pcase--macroexpand): Don't hardcode handling of `. (pcase--split-consp, pcase--split-vector): Remove. (pcase--split-equal): Disregard ` since it's expanded away. (pcase--split-member): Optimize for quote rather than for `. (pcase--split-pred): Optimize for quote rather than for `. (pcase--u1): Remove handling of ` (and of `or' and `and'). Quote non-selfquoting values when passing them to `eq'. Drop `app's let-binding if the variable is not used. (pcase--q1): Remove. (`): Define as a pattern macro. * emacs-lisp/pcase.el (pcase--match): New smart-constructor function. (pcase--expand pcase--q1, pcase--app-subst-match): Use it. (pcase--macroexpand): Handle self-quoting patterns here, expand them to quote patterns. (pcase--split-match): Don't hoist or/and here any more. (pcase--split-equal): Optimize quote patterns as well as ` patterns. (pcase--flip): New helper macro. (pcase--u1): Optimize the memq case directly. Don't handle neither self-quoting nor and/or patterns any more. * emacs-lisp/pcase.el (pcase-defmacro): New macro. (pcase--macroexpand): New function. (pcase--expand): Use it. * emacs-lisp/pcase.el (pcase--app-subst-match, pcase--app-subst-rest): New optimization functions. (pcase--u1): Add support for `quote' and `app'. (pcase): Document them in the docstring.
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