選択できるのは25トピックまでです。
トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
847 行
29 KiB
847 行
29 KiB
;;;; -*- indent-tabs-mode: nil; outline-regexp: ";;;;;*"; -*-
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;;;
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;;; swank-abcl.lisp --- Armedbear CL specific code for SLIME.
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;;;
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;;; Adapted from swank-acl.lisp, Andras Simon, 2004
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;;;
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;;; This code has been placed in the Public Domain. All warranties
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;;; are disclaimed.
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;;;
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(defpackage swank/abcl
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(:use cl swank/backend))
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(in-package swank/abcl)
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(eval-when (:compile-toplevel :load-toplevel :execute)
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(require :collect) ;just so that it doesn't spoil the flying letters
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(require :pprint)
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(require :gray-streams)
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(assert (>= (read-from-string (subseq (lisp-implementation-version) 0 4))
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0.22)
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() "This file needs ABCL version 0.22 or newer"))
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(defimplementation gray-package-name ()
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"GRAY-STREAMS")
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;; FIXME: switch to shared Gray stream implementation when bugs are
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;; fixed in ABCL. See: http://abcl.org/trac/ticket/373.
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(progn
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(defimplementation make-output-stream (write-string)
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(ext:make-slime-output-stream write-string))
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(defimplementation make-input-stream (read-string)
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(ext:make-slime-input-stream read-string
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(make-synonym-stream '*standard-output*))))
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(defimplementation call-with-compilation-hooks (function)
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(funcall function))
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;;; swank-mop
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;;dummies and definition
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(defclass standard-slot-definition ()())
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;(defun class-finalized-p (class) t)
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(defun slot-definition-documentation (slot)
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(declare (ignore slot))
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#+nil (documentation slot 't))
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(defun slot-definition-type (slot)
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(declare (ignore slot))
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t)
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(defun class-prototype (class)
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(declare (ignore class))
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nil)
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(defun generic-function-declarations (gf)
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(declare (ignore gf))
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nil)
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(defun specializer-direct-methods (spec)
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(mop:class-direct-methods spec))
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(defun slot-definition-name (slot)
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(mop:slot-definition-name slot))
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(defun class-slots (class)
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(mop:class-slots class))
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(defun method-generic-function (method)
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(mop:method-generic-function method))
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(defun method-function (method)
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(mop:method-function method))
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(defun slot-boundp-using-class (class object slotdef)
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(declare (ignore class))
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(system::slot-boundp object (slot-definition-name slotdef)))
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(defun slot-value-using-class (class object slotdef)
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(declare (ignore class))
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(system::slot-value object (slot-definition-name slotdef)))
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(import-to-swank-mop
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'( ;; classes
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cl:standard-generic-function
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standard-slot-definition ;;dummy
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cl:method
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cl:standard-class
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#+#.(swank/backend:with-symbol 'compute-applicable-methods-using-classes
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'mop)
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mop:compute-applicable-methods-using-classes
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;; standard-class readers
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mop:class-default-initargs
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mop:class-direct-default-initargs
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mop:class-direct-slots
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mop:class-direct-subclasses
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mop:class-direct-superclasses
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mop:eql-specializer
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mop:class-finalized-p
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mop:finalize-inheritance
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cl:class-name
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mop:class-precedence-list
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class-prototype ;;dummy
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class-slots
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specializer-direct-methods
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;; eql-specializer accessors
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mop::eql-specializer-object
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;; generic function readers
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mop:generic-function-argument-precedence-order
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generic-function-declarations ;;dummy
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mop:generic-function-lambda-list
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mop:generic-function-methods
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mop:generic-function-method-class
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mop:generic-function-method-combination
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mop:generic-function-name
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;; method readers
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method-generic-function
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method-function
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mop:method-lambda-list
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mop:method-specializers
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mop:method-qualifiers
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;; slot readers
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mop:slot-definition-allocation
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slot-definition-documentation ;;dummy
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mop:slot-definition-initargs
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mop:slot-definition-initform
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mop:slot-definition-initfunction
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slot-definition-name
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slot-definition-type ;;dummy
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mop:slot-definition-readers
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mop:slot-definition-writers
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slot-boundp-using-class
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slot-value-using-class
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mop:slot-makunbound-using-class))
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;;;; TCP Server
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(defimplementation preferred-communication-style ()
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:spawn)
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(defimplementation create-socket (host port &key backlog)
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(ext:make-server-socket port))
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(defimplementation local-port (socket)
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(java:jcall (java:jmethod "java.net.ServerSocket" "getLocalPort") socket))
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(defimplementation close-socket (socket)
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(ext:server-socket-close socket))
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(defimplementation accept-connection (socket
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&key external-format buffering timeout)
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(declare (ignore buffering timeout))
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(ext:get-socket-stream (ext:socket-accept socket)
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:element-type (if external-format
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'character
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'(unsigned-byte 8))
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:external-format (or external-format :default)))
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;;;; UTF8
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;; faster please!
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(defimplementation string-to-utf8 (s)
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(jbytes-to-octets
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(java:jcall
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(java:jmethod "java.lang.String" "getBytes" "java.lang.String")
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s
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"UTF8")))
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(defimplementation utf8-to-string (u)
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(java:jnew
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(java:jconstructor "org.armedbear.lisp.SimpleString"
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"java.lang.String")
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(java:jnew (java:jconstructor "java.lang.String" "[B" "java.lang.String")
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(octets-to-jbytes u)
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"UTF8")))
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(defun octets-to-jbytes (octets)
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(declare (type octets (simple-array (unsigned-byte 8) (*))))
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(let* ((len (length octets))
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(bytes (java:jnew-array "byte" len)))
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(loop for byte across octets
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for i from 0
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do (java:jstatic (java:jmethod "java.lang.reflect.Array" "setByte"
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"java.lang.Object" "int" "byte")
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"java.lang.relect.Array"
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bytes i byte))
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bytes))
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(defun jbytes-to-octets (jbytes)
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(let* ((len (java:jarray-length jbytes))
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(octets (make-array len :element-type '(unsigned-byte 8))))
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(loop for i from 0 below len
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for jbyte = (java:jarray-ref jbytes i)
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do (setf (aref octets i) jbyte))
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octets))
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;;;; External formats
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(defvar *external-format-to-coding-system*
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'((:iso-8859-1 "latin-1" "iso-latin-1" "iso-8859-1")
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((:iso-8859-1 :eol-style :lf)
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"latin-1-unix" "iso-latin-1-unix" "iso-8859-1-unix")
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(:utf-8 "utf-8")
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((:utf-8 :eol-style :lf) "utf-8-unix")
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(:euc-jp "euc-jp")
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((:euc-jp :eol-style :lf) "euc-jp-unix")
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(:us-ascii "us-ascii")
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((:us-ascii :eol-style :lf) "us-ascii-unix")))
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(defimplementation find-external-format (coding-system)
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(car (rassoc-if (lambda (x)
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(member coding-system x :test #'equal))
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*external-format-to-coding-system*)))
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;;;; Unix signals
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(defimplementation getpid ()
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(handler-case
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(let* ((runtime
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(java:jstatic "getRuntime" "java.lang.Runtime"))
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(command
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(java:jnew-array-from-array
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"java.lang.String" #("sh" "-c" "echo $PPID")))
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(runtime-exec-jmethod
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;; Complicated because java.lang.Runtime.exec() is
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;; overloaded on a non-primitive type (array of
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;; java.lang.String), so we have to use the actual
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;; parameter instance to get java.lang.Class
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(java:jmethod "java.lang.Runtime" "exec"
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(java:jcall
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(java:jmethod "java.lang.Object" "getClass")
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command)))
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(process
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(java:jcall runtime-exec-jmethod runtime command))
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(output
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(java:jcall (java:jmethod "java.lang.Process" "getInputStream")
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process)))
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(java:jcall (java:jmethod "java.lang.Process" "waitFor")
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process)
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(loop :with b :do
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(setq b
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(java:jcall (java:jmethod "java.io.InputStream" "read")
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output))
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:until (member b '(-1 #x0a)) ; Either EOF or LF
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:collecting (code-char b) :into result
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:finally (return
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(parse-integer (coerce result 'string)))))
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(t () 0)))
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(defimplementation lisp-implementation-type-name ()
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"armedbear")
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(defimplementation set-default-directory (directory)
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(let ((dir (sys::probe-directory directory)))
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(when dir (setf *default-pathname-defaults* dir))
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(namestring dir)))
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;;;; Misc
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(defimplementation arglist (fun)
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(cond ((symbolp fun)
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(multiple-value-bind (arglist present)
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(sys::arglist fun)
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(when (and (not present)
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(fboundp fun)
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(typep (symbol-function fun)
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'standard-generic-function))
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(setq arglist
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(mop::generic-function-lambda-list (symbol-function fun))
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present
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t))
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(if present arglist :not-available)))
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(t :not-available)))
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(defimplementation function-name (function)
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(nth-value 2 (function-lambda-expression function)))
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(defimplementation macroexpand-all (form &optional env)
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(ext:macroexpand-all form env))
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(defimplementation collect-macro-forms (form &optional env)
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;; Currently detects only normal macros, not compiler macros.
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(declare (ignore env))
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(with-collected-macro-forms (macro-forms)
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(handler-bind ((warning #'muffle-warning))
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(ignore-errors
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(compile nil `(lambda () ,(macroexpand-all form env)))))
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(values macro-forms nil)))
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(defimplementation describe-symbol-for-emacs (symbol)
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(let ((result '()))
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(flet ((doc (kind &optional (sym symbol))
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(or (documentation sym kind) :not-documented))
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(maybe-push (property value)
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(when value
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(setf result (list* property value result)))))
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(maybe-push
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:variable (when (boundp symbol)
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(doc 'variable)))
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(when (fboundp symbol)
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(maybe-push
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(cond ((macro-function symbol) :macro)
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((special-operator-p symbol) :special-operator)
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((typep (fdefinition symbol) 'generic-function)
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:generic-function)
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(t :function))
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(doc 'function)))
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(maybe-push
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:class (if (find-class symbol nil)
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(doc 'class)))
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result)))
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(defimplementation describe-definition (symbol namespace)
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(ecase namespace
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((:variable :macro)
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(describe symbol))
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((:function :generic-function)
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(describe (symbol-function symbol)))
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(:class
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(describe (find-class symbol)))))
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(defimplementation describe-definition (symbol namespace)
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(ecase namespace
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(:variable
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(describe symbol))
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((:function :generic-function)
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(describe (symbol-function symbol)))
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(:class
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(describe (find-class symbol)))))
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;;;; Debugger
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;; Copied from swank-sbcl.lisp.
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;;
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;; Notice that *INVOKE-DEBUGGER-HOOK* is tried before *DEBUGGER-HOOK*,
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;; so we have to make sure that the latter gets run when it was
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;; established locally by a user (i.e. changed meanwhile.)
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(defun make-invoke-debugger-hook (hook)
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(lambda (condition old-hook)
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(if *debugger-hook*
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(funcall *debugger-hook* condition old-hook)
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(funcall hook condition old-hook))))
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(defimplementation call-with-debugger-hook (hook fun)
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(let ((*debugger-hook* hook)
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(sys::*invoke-debugger-hook* (make-invoke-debugger-hook hook)))
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(funcall fun)))
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(defimplementation install-debugger-globally (function)
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(setq *debugger-hook* function)
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(setq sys::*invoke-debugger-hook* (make-invoke-debugger-hook function)))
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(defvar *sldb-topframe*)
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(defimplementation call-with-debugging-environment (debugger-loop-fn)
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(let* ((magic-token (intern "SWANK-DEBUGGER-HOOK" 'swank))
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(*sldb-topframe*
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(second (member magic-token (sys:backtrace)
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:key (lambda (frame)
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(first (sys:frame-to-list frame)))))))
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(funcall debugger-loop-fn)))
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(defun backtrace (start end)
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"A backtrace without initial SWANK frames."
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(let ((backtrace (sys:backtrace)))
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(subseq (or (member *sldb-topframe* backtrace) backtrace)
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start end)))
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(defun nth-frame (index)
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(nth index (backtrace 0 nil)))
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(defimplementation compute-backtrace (start end)
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(let ((end (or end most-positive-fixnum)))
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(backtrace start end)))
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(defimplementation print-frame (frame stream)
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(write-string (sys:frame-to-string frame)
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stream))
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;;; Sorry, but can't seem to declare DEFIMPLEMENTATION under FLET.
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;;; --ME 20150403
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(defun nth-frame-list (index)
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(java:jcall "toLispList" (nth-frame index)))
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(defun match-lambda (operator values)
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(jvm::match-lambda-list
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(multiple-value-list
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(jvm::parse-lambda-list (ext:arglist operator)))
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values))
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(defimplementation frame-locals (index)
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(loop
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:for id :upfrom 0
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:with frame = (nth-frame-list index)
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:with operator = (first frame)
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:with values = (rest frame)
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:with arglist = (if (and operator (consp values) (not (null values)))
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(handler-case
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(match-lambda operator values)
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(jvm::lambda-list-mismatch (e)
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:lambda-list-mismatch))
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:not-available)
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:for value :in values
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:collecting (list
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:name (if (not (keywordp arglist))
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(first (nth id arglist))
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(format nil "arg~A" id))
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:id id
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:value value)))
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(defimplementation frame-var-value (index id)
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(elt (rest (java:jcall "toLispList" (nth-frame index))) id))
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#+nil
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(defimplementation disassemble-frame (index)
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(disassemble (debugger:frame-function (nth-frame index))))
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(defimplementation frame-source-location (index)
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(let ((frame (nth-frame index)))
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(or (source-location (nth-frame index))
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`(:error ,(format nil "No source for frame: ~a" frame)))))
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#+nil
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(defimplementation eval-in-frame (form frame-number)
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(debugger:eval-form-in-context
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form
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(debugger:environment-of-frame (nth-frame frame-number))))
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#+nil
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(defimplementation return-from-frame (frame-number form)
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(let ((frame (nth-frame frame-number)))
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(multiple-value-call #'debugger:frame-return
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frame (debugger:eval-form-in-context
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form
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(debugger:environment-of-frame frame)))))
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;;; XXX doesn't work for frames with arguments
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#+nil
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(defimplementation restart-frame (frame-number)
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(let ((frame (nth-frame frame-number)))
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(debugger:frame-retry frame (debugger:frame-function frame))))
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;;;; Compiler hooks
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(defvar *buffer-name* nil)
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(defvar *buffer-start-position*)
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(defvar *buffer-string*)
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(defvar *compile-filename*)
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(defvar *abcl-signaled-conditions*)
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(defun handle-compiler-warning (condition)
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(let ((loc (when (and jvm::*compile-file-pathname*
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system::*source-position*)
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(cons jvm::*compile-file-pathname* system::*source-position*))))
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;; filter condition signaled more than once.
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(unless (member condition *abcl-signaled-conditions*)
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(push condition *abcl-signaled-conditions*)
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(signal 'compiler-condition
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:original-condition condition
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:severity :warning
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:message (format nil "~A" condition)
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:location (cond (*buffer-name*
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(make-location
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(list :buffer *buffer-name*)
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(list :offset *buffer-start-position* 0)))
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(loc
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(destructuring-bind (file . pos) loc
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(make-location
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(list :file (namestring (truename file)))
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(list :position (1+ pos)))))
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(t
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(make-location
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(list :file (namestring *compile-filename*))
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(list :position 1))))))))
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(defimplementation swank-compile-file (input-file output-file
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load-p external-format
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&key policy)
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(declare (ignore external-format policy))
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(let ((jvm::*resignal-compiler-warnings* t)
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(*abcl-signaled-conditions* nil))
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(handler-bind ((warning #'handle-compiler-warning))
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(let ((*buffer-name* nil)
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(*compile-filename* input-file))
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(multiple-value-bind (fn warn fail)
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(compile-file input-file :output-file output-file)
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(values fn warn
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(and fn load-p
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(not (load fn)))))))))
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(defimplementation swank-compile-string (string &key buffer position filename
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policy)
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(declare (ignore filename policy))
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(let ((jvm::*resignal-compiler-warnings* t)
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(*abcl-signaled-conditions* nil))
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(handler-bind ((warning #'handle-compiler-warning))
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(let ((*buffer-name* buffer)
|
|
(*buffer-start-position* position)
|
|
(*buffer-string* string)
|
|
(sys::*source* (make-pathname :device "emacs-buffer" :name buffer))
|
|
(sys::*source-position* position))
|
|
(funcall (compile nil (read-from-string
|
|
(format nil "(~S () ~A)" 'lambda string))))
|
|
t))))
|
|
|
|
#|
|
|
;;;; Definition Finding
|
|
|
|
(defun find-fspec-location (fspec type)
|
|
(let ((file (excl::fspec-pathname fspec type)))
|
|
(etypecase file
|
|
(pathname
|
|
(let ((start (scm:find-definition-in-file fspec type file)))
|
|
(make-location (list :file (namestring (truename file)))
|
|
(if start
|
|
(list :position (1+ start))
|
|
(list :function-name (string fspec))))))
|
|
((member :top-level)
|
|
(list :error (format nil "Defined at toplevel: ~A" fspec)))
|
|
(null
|
|
(list :error (format nil "Unkown source location for ~A" fspec))))))
|
|
|
|
(defun fspec-definition-locations (fspec)
|
|
(let ((defs (excl::find-multiple-definitions fspec)))
|
|
(loop for (fspec type) in defs
|
|
collect (list fspec (find-fspec-location fspec type)))))
|
|
|
|
(defimplementation find-definitions (symbol)
|
|
(fspec-definition-locations symbol))
|
|
|#
|
|
|
|
(defgeneric source-location (object))
|
|
|
|
(defmethod source-location ((symbol symbol))
|
|
(when (pathnamep (ext:source-pathname symbol))
|
|
(let ((pos (ext:source-file-position symbol))
|
|
(path (namestring (ext:source-pathname symbol))))
|
|
(cond ((ext:pathname-jar-p path)
|
|
`(:location
|
|
;; strip off "jar:file:" = 9 characters
|
|
(:zip ,@(split-string (subseq path 9) "!/"))
|
|
;; pos never seems right. Use function name.
|
|
(:function-name ,(string symbol))
|
|
(:align t)))
|
|
((equal (pathname-device (ext:source-pathname symbol)) "emacs-buffer")
|
|
;; conspire with swank-compile-string to keep the buffer
|
|
;; name in a pathname whose device is "emacs-buffer".
|
|
`(:location
|
|
(:buffer ,(pathname-name (ext:source-pathname symbol)))
|
|
(:function-name ,(string symbol))
|
|
(:align t)))
|
|
(t
|
|
`(:location
|
|
(:file ,path)
|
|
,(if pos
|
|
(list :position (1+ pos))
|
|
(list :function-name (string symbol)))
|
|
(:align t)))))))
|
|
|
|
(defmethod source-location ((frame sys::java-stack-frame))
|
|
(destructuring-bind (&key class method file line) (sys:frame-to-list frame)
|
|
(declare (ignore method))
|
|
(let ((file (or (find-file-in-path file *source-path*)
|
|
(let ((f (format nil "~{~a/~}~a"
|
|
(butlast (split-string class "\\."))
|
|
file)))
|
|
(find-file-in-path f *source-path*)))))
|
|
(and file
|
|
`(:location ,file (:line ,line) ())))))
|
|
|
|
(defmethod source-location ((frame sys::lisp-stack-frame))
|
|
(destructuring-bind (operator &rest args) (sys:frame-to-list frame)
|
|
(declare (ignore args))
|
|
(etypecase operator
|
|
(function (source-location operator))
|
|
(list nil)
|
|
(symbol (source-location operator)))))
|
|
|
|
(defmethod source-location ((fun function))
|
|
(let ((name (function-name fun)))
|
|
(and name (source-location name))))
|
|
|
|
(defun system-property (name)
|
|
(java:jstatic "getProperty" "java.lang.System" name))
|
|
|
|
(defun pathname-parent (pathname)
|
|
(make-pathname :directory (butlast (pathname-directory pathname))))
|
|
|
|
(defun pathname-absolute-p (pathname)
|
|
(eq (car (pathname-directory pathname)) ':absolute))
|
|
|
|
(defun split-string (string regexp)
|
|
(coerce
|
|
(java:jcall (java:jmethod "java.lang.String" "split" "java.lang.String")
|
|
string regexp)
|
|
'list))
|
|
|
|
(defun path-separator ()
|
|
(java:jfield "java.io.File" "pathSeparator"))
|
|
|
|
(defun search-path-property (prop-name)
|
|
(let ((string (system-property prop-name)))
|
|
(and string
|
|
(remove nil
|
|
(mapcar #'truename
|
|
(split-string string (path-separator)))))))
|
|
|
|
(defun jdk-source-path ()
|
|
(let* ((jre-home (truename (system-property "java.home")))
|
|
(src-zip (merge-pathnames "src.zip" (pathname-parent jre-home)))
|
|
(truename (probe-file src-zip)))
|
|
(and truename (list truename))))
|
|
|
|
(defun class-path ()
|
|
(append (search-path-property "java.class.path")
|
|
(search-path-property "sun.boot.class.path")))
|
|
|
|
(defvar *source-path*
|
|
(append (search-path-property "user.dir")
|
|
(jdk-source-path)
|
|
;;(list (truename "/scratch/abcl/src"))
|
|
)
|
|
"List of directories to search for source files.")
|
|
|
|
(defun zipfile-contains-p (zipfile-name entry-name)
|
|
(let ((zipfile (java:jnew (java:jconstructor "java.util.zip.ZipFile"
|
|
"java.lang.String")
|
|
zipfile-name)))
|
|
(java:jcall
|
|
(java:jmethod "java.util.zip.ZipFile" "getEntry" "java.lang.String")
|
|
zipfile entry-name)))
|
|
|
|
;; (find-file-in-path "java/lang/String.java" *source-path*)
|
|
;; (find-file-in-path "Lisp.java" *source-path*)
|
|
|
|
;; Try to find FILENAME in PATH. If found, return a file spec as
|
|
;; needed by Emacs. We also look in zip files.
|
|
(defun find-file-in-path (filename path)
|
|
(labels ((try (dir)
|
|
(cond ((not (pathname-type dir))
|
|
(let ((f (probe-file (merge-pathnames filename dir))))
|
|
(and f `(:file ,(namestring f)))))
|
|
((equal (pathname-type dir) "zip")
|
|
(try-zip dir))
|
|
(t (error "strange path element: ~s" path))))
|
|
(try-zip (zip)
|
|
(let* ((zipfile-name (namestring (truename zip))))
|
|
(and (zipfile-contains-p zipfile-name filename)
|
|
`(:dir ,zipfile-name ,filename)))))
|
|
(cond ((pathname-absolute-p filename) (probe-file filename))
|
|
(t
|
|
(loop for dir in path
|
|
if (try dir) return it)))))
|
|
|
|
(defimplementation find-definitions (symbol)
|
|
(ext:resolve symbol)
|
|
(let ((srcloc (source-location symbol)))
|
|
(and srcloc `((,symbol ,srcloc)))))
|
|
|
|
#|
|
|
Uncomment this if you have patched xref.lisp, as in
|
|
http://article.gmane.org/gmane.lisp.slime.devel/2425
|
|
Also, make sure that xref.lisp is loaded by modifying the armedbear
|
|
part of *sysdep-pathnames* in swank.loader.lisp.
|
|
|
|
;;;; XREF
|
|
(setq pxref:*handle-package-forms* '(cl:in-package))
|
|
|
|
(defmacro defxref (name function)
|
|
`(defimplementation ,name (name)
|
|
(xref-results (,function name))))
|
|
|
|
(defxref who-calls pxref:list-callers)
|
|
(defxref who-references pxref:list-readers)
|
|
(defxref who-binds pxref:list-setters)
|
|
(defxref who-sets pxref:list-setters)
|
|
(defxref list-callers pxref:list-callers)
|
|
(defxref list-callees pxref:list-callees)
|
|
|
|
(defun xref-results (symbols)
|
|
(let ((xrefs '()))
|
|
(dolist (symbol symbols)
|
|
(push (list symbol (cadar (source-location symbol))) xrefs))
|
|
xrefs))
|
|
|#
|
|
|
|
;;;; Inspecting
|
|
(defmethod emacs-inspect ((o t))
|
|
(let ((parts (sys:inspected-parts o)))
|
|
`("The object is of type " ,(symbol-name (type-of o)) "." (:newline)
|
|
,@(if parts
|
|
(loop :for (label . value) :in parts
|
|
:appending (label-value-line label value))
|
|
(list "No inspectable parts, dumping output of CL:DESCRIBE:"
|
|
'(:newline)
|
|
(with-output-to-string (desc) (describe o desc)))))))
|
|
|
|
(defmethod emacs-inspect ((slot mop::slot-definition))
|
|
`("Name: "
|
|
(:value ,(mop:slot-definition-name slot))
|
|
(:newline)
|
|
"Documentation:" (:newline)
|
|
,@(when (slot-definition-documentation slot)
|
|
`((:value ,(slot-definition-documentation slot)) (:newline)))
|
|
"Initialization:" (:newline)
|
|
" Args: " (:value ,(mop:slot-definition-initargs slot)) (:newline)
|
|
" Form: " ,(if (mop:slot-definition-initfunction slot)
|
|
`(:value ,(mop:slot-definition-initform slot))
|
|
"#<unspecified>") (:newline)
|
|
" Function: "
|
|
(:value ,(mop:slot-definition-initfunction slot))
|
|
(:newline)))
|
|
|
|
(defmethod emacs-inspect ((f function))
|
|
`(,@(when (function-name f)
|
|
`("Name: "
|
|
,(princ-to-string (function-name f)) (:newline)))
|
|
,@(multiple-value-bind (args present)
|
|
(sys::arglist f)
|
|
(when present
|
|
`("Argument list: "
|
|
,(princ-to-string args) (:newline))))
|
|
(:newline)
|
|
#+nil,@(when (documentation f t)
|
|
`("Documentation:" (:newline)
|
|
,(documentation f t) (:newline)))
|
|
,@(when (function-lambda-expression f)
|
|
`("Lambda expression:"
|
|
(:newline) ,(princ-to-string
|
|
(function-lambda-expression f)) (:newline)))))
|
|
|
|
;;; Although by convention toString() is supposed to be a
|
|
;;; non-computationally expensive operation this isn't always the
|
|
;;; case, so make its computation a user interaction.
|
|
(defparameter *to-string-hashtable* (make-hash-table))
|
|
(defmethod emacs-inspect ((o java:java-object))
|
|
(let ((to-string (lambda ()
|
|
(handler-case
|
|
(setf (gethash o *to-string-hashtable*)
|
|
(java:jcall "toString" o))
|
|
(t (e)
|
|
(setf (gethash o *to-string-hashtable*)
|
|
(format nil
|
|
"Could not invoke toString(): ~A"
|
|
e)))))))
|
|
(append
|
|
(if (gethash o *to-string-hashtable*)
|
|
(label-value-line "toString()" (gethash o *to-string-hashtable*))
|
|
`((:action "[compute toString()]" ,to-string) (:newline)))
|
|
(loop :for (label . value) :in (sys:inspected-parts o)
|
|
:appending (label-value-line label value)))))
|
|
|
|
;;;; Multithreading
|
|
|
|
(defimplementation spawn (fn &key name)
|
|
(threads:make-thread (lambda () (funcall fn)) :name name))
|
|
|
|
(defvar *thread-plists* (make-hash-table) ; should be a weak table
|
|
"A hashtable mapping threads to a plist.")
|
|
|
|
(defvar *thread-id-counter* 0)
|
|
|
|
(defimplementation thread-id (thread)
|
|
(threads:synchronized-on *thread-plists*
|
|
(or (getf (gethash thread *thread-plists*) 'id)
|
|
(setf (getf (gethash thread *thread-plists*) 'id)
|
|
(incf *thread-id-counter*)))))
|
|
|
|
(defimplementation find-thread (id)
|
|
(find id (all-threads)
|
|
:key (lambda (thread)
|
|
(getf (gethash thread *thread-plists*) 'id))))
|
|
|
|
(defimplementation thread-name (thread)
|
|
(threads:thread-name thread))
|
|
|
|
(defimplementation thread-status (thread)
|
|
(format nil "Thread is ~:[dead~;alive~]" (threads:thread-alive-p thread)))
|
|
|
|
(defimplementation make-lock (&key name)
|
|
(declare (ignore name))
|
|
(threads:make-thread-lock))
|
|
|
|
(defimplementation call-with-lock-held (lock function)
|
|
(threads:with-thread-lock (lock) (funcall function)))
|
|
|
|
(defimplementation current-thread ()
|
|
(threads:current-thread))
|
|
|
|
(defimplementation all-threads ()
|
|
(copy-list (threads:mapcar-threads #'identity)))
|
|
|
|
(defimplementation thread-alive-p (thread)
|
|
(member thread (all-threads)))
|
|
|
|
(defimplementation interrupt-thread (thread fn)
|
|
(threads:interrupt-thread thread fn))
|
|
|
|
(defimplementation kill-thread (thread)
|
|
(threads:destroy-thread thread))
|
|
|
|
(defstruct mailbox
|
|
(queue '()))
|
|
|
|
(defun mailbox (thread)
|
|
"Return THREAD's mailbox."
|
|
(threads:synchronized-on *thread-plists*
|
|
(or (getf (gethash thread *thread-plists*) 'mailbox)
|
|
(setf (getf (gethash thread *thread-plists*) 'mailbox)
|
|
(make-mailbox)))))
|
|
|
|
(defimplementation send (thread message)
|
|
(let ((mbox (mailbox thread)))
|
|
(threads:synchronized-on mbox
|
|
(setf (mailbox-queue mbox)
|
|
(nconc (mailbox-queue mbox) (list message)))
|
|
(threads:object-notify-all mbox))))
|
|
|
|
(defimplementation receive-if (test &optional timeout)
|
|
(let* ((mbox (mailbox (current-thread))))
|
|
(assert (or (not timeout) (eq timeout t)))
|
|
(loop
|
|
(check-slime-interrupts)
|
|
(threads:synchronized-on mbox
|
|
(let* ((q (mailbox-queue mbox))
|
|
(tail (member-if test q)))
|
|
(when tail
|
|
(setf (mailbox-queue mbox) (nconc (ldiff q tail) (cdr tail)))
|
|
(return (car tail)))
|
|
(when (eq timeout t) (return (values nil t)))
|
|
(threads:object-wait mbox 0.3))))))
|
|
|
|
(defimplementation quit-lisp ()
|
|
(ext:exit))
|
|
;;;
|
|
#+#.(swank/backend:with-symbol 'package-local-nicknames 'ext)
|
|
(defimplementation package-local-nicknames (package)
|
|
(ext:package-local-nicknames package))
|