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67 рядки
2.9 KiB
67 рядки
2.9 KiB
;;; swank-sbcl-exts.lisp --- Misc extensions for SBCL
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;;
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;; Authors: Tobias C. Rittweiler <tcr@freebits.de>
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;;
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;; License: Public Domain
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;;
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(in-package :swank)
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(eval-when (:compile-toplevel :load-toplevel :execute)
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(swank-require :swank-arglists))
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;; We need to do this so users can place `slime-sbcl-exts' into their
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;; ~/.emacs, and still use any implementation they want.
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#+sbcl
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(progn
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;;; Display arglist of instructions.
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;;;
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(defmethod compute-enriched-decoded-arglist ((operator-form (eql 'sb-assem:inst))
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argument-forms)
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(flet ((decode-instruction-arglist (instr-name instr-arglist)
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(let ((decoded-arglist (decode-arglist instr-arglist)))
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;; The arglist of INST is (instruction ...INSTR-ARGLIST...).
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(push 'sb-assem::instruction (arglist.required-args decoded-arglist))
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(values decoded-arglist
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(list instr-name)
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t))))
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(if (null argument-forms)
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(call-next-method)
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(destructuring-bind (instruction &rest args) argument-forms
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(declare (ignore args))
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(let* ((instr-name
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(typecase instruction
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(arglist-dummy
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(string-upcase (arglist-dummy.string-representation instruction)))
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(symbol
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(string-downcase instruction))))
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(instr-fn
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#+#.(swank/backend:with-symbol 'op-encoder-name 'sb-assem)
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(or (sb-assem::op-encoder-name instr-name)
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(sb-assem::op-encoder-name (string-upcase instr-name)))
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#+#.(swank/backend:with-symbol 'inst-emitter-symbol 'sb-assem)
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(sb-assem::inst-emitter-symbol instr-name)
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#+(and
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(not #.(swank/backend:with-symbol 'inst-emitter-symbol 'sb-assem))
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#.(swank/backend:with-symbol '*assem-instructions* 'sb-assem))
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(gethash instr-name sb-assem:*assem-instructions*)))
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(cond ((functionp instr-fn)
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(with-available-arglist (arglist) (arglist instr-fn)
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(decode-instruction-arglist instr-name arglist)))
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((fboundp instr-fn)
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(with-available-arglist (arglist) (arglist instr-fn)
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;; SB-ASSEM:INST invokes a symbolic INSTR-FN with
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;; current segment and current vop implicitly.
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(decode-instruction-arglist instr-name
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(if (or (get instr-fn :macro)
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(macro-function instr-fn))
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arglist
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(cddr arglist)))))
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(t
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(call-next-method))))))))
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) ; PROGN
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(provide :swank-sbcl-exts)
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