/usr/share/acl2-7.2dfsg/akcl-acl2-trace.lisp is in acl2-source 7.2dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | ; ACL2 Version 7.2 -- A Computational Logic for Applicative Common Lisp
; Copyright (C) 2016, Regents of the University of Texas
; This version of ACL2 is a descendent of ACL2 Version 1.9, Copyright
; (C) 1997 Computational Logic, Inc. See the documentation topic NOTE-2-0.
; This program is free software; you can redistribute it and/or modify
; it under the terms of the LICENSE file distributed with ACL2.
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; LICENSE for more details.
; Written by: Matt Kaufmann and J Strother Moore
; email: Kaufmann@cs.utexas.edu and Moore@cs.utexas.edu
; Department of Computer Science
; University of Texas at Austin
; Austin, TX 78712 U.S.A.
; We don't intend this file to be compiled.
; TRACE stuff
; We put over into old-trace the macro for trace that comes with ACKL.
; Thus one can type (old-trace foo) and get the effect that (trace
; foo) would have previously provided. We do not guarantee that using
; old-trace works well with trace$, however.
(cond ((null (macro-function 'old-trace))
(setf (macro-function 'old-trace) (macro-function 'trace))))
(cond ((null (macro-function 'old-untrace))
(setf (macro-function 'old-untrace) (macro-function 'untrace))))
(defmacro trace (&rest fns)
(let (acl2-fns non-acl2-fns all-fns)
(loop for fn in fns
do (if (function-symbolp
(cond
((symbolp fn) fn)
((and (consp fn) (symbolp (car fn)))
(car fn))
(t (error "Not a symbol or a cons of a symbol: ~s" fn)))
(w *the-live-state*))
(push fn acl2-fns)
(push fn non-acl2-fns)))
(cons
'old-trace
(progn
; Turn every element of acl2-fns into (list* fn fn ...).
(setq acl2-fns
(loop for x in acl2-fns
collect
(cond ((symbolp x) (list x x))
(t (list* (car x) (car x) (cdr x))))))
; Trace the *1* functions too. Then every element of acl2-fns will have the
; form (list* fn original-fn ...).
(dolist (x acl2-fns)
(push (cons (*1*-symbol (car x))
(cdr x))
acl2-fns))
(dolist (fn acl2-fns)
(push (progn (cond ((member :break (cdr fn))
(interface-er "Use of :break is not permitted in ~
TRACE. Consider :entry (progn ~
(break$) arglist) instead.")))
(cons (car fn)
(trace-fix-cond
(trace-fix-entry
(car fn)
(trace-fix-exit (car fn)
(cadr fn)
(cddr fn))))))
all-fns))
(dolist (fn non-acl2-fns)
(let* ((spec (if (symbolp fn) (list fn) fn))
(fn (car spec)))
(push (cons fn
(trace-fix-entry-raw
fn
(trace-fix-exit-raw
fn
(cdr spec))))
all-fns)))
all-fns))))
(defmacro untrace (&rest fns)
(cons
'old-untrace
(let ((ans fns))
(dolist (fn fns)
(push (*1*-symbol fn) ans))
ans)))
(defun trace-ppr-gcl (direction x &aux (state *the-live-state*))
; Unfortunately, in native GCL trace :entry and :exit cause a return
; value to be printed in addition to the side-effect printing. The > character
; is a pretty innocuous value to print.
(let ((*inside-trace$* t))
(declare (special *inside-trace$*))
(cond ((eq direction :in)
(f-put-global 'trace-level
(1+f (f-get-global 'trace-level state))
state)))
(let ((trace-evisc-tuple (trace-evisc-tuple))
(x (trace-hide-world-and-state x)))
(ppr (eviscerate-top x
(cadr trace-evisc-tuple) ;;; print-level
(caddr trace-evisc-tuple) ;;; print-length
(car trace-evisc-tuple) ;;; alist
(table-alist 'evisc-table (w state))
(car (cddddr trace-evisc-tuple)) ;;; hiding-cars
state)
(+ 2 ; GCL starts "1>" in column 2
(first-trace-printing-column state))
(f-get-global 'trace-co state)
state
t))
(cond ((eq direction :out)
(f-put-global 'trace-level
(1-f (f-get-global 'trace-level state))
state)))
'>))
(defun trace-fix-entry-raw (name l)
(cond ((null l)
(list :entry `(cons ',name (trace-hide-world-and-state si::arglist))))
((or (atom l)
(and (cdr l)
(atom (cdr l))))
(error "A trace spec must be a true-list, but yours ends in ~s."
l))
((eq (car l) :entry)
(list* :entry
`(cons ',name (trace-hide-world-and-state
(let ((arglist si::arglist))
,(cadr l))))
(cddr l)))
(t (list* (car l) (cadr l) (trace-fix-entry-raw name (cddr l))))))
(defun trace-fix-entry (name l)
(cond ((endp l)
(list :entry
`(trace-ppr-gcl :in
(cons ',name si::arglist))))
((eq (car l) :entry)
(list* :entry
`(trace-ppr-gcl :in
(cons ',name
(let ((arglist si::arglist))
,(cadr l))))
(cddr l)))
(t (list* (car l) (cadr l) (trace-fix-entry name (cddr l))))))
#-acl2-mv-as-values
(defun trace-values (name)
(list* 'list
'(car values)
(let ((mul (trace-multiplicity name *the-live-state*)))
(cond ((or (null mul)
(eql mul 1))
nil)
(t (mv-refs-fn (1- mul)))))))
#+acl2-mv-as-values
(defun trace-values (name)
(declare (ignore name))
'values)
#-acl2-mv-as-values
(defun make-nths (i n var)
(if (zerop n)
nil
(cons `(nth ,i ,var)
(make-nths (1+ i) (1- n) var))))
(defun trace-fix-exit-raw (name l)
(cond ((endp l)
(list :exit
`(cons ',name (trace-hide-world-and-state
,(trace-values name)))))
((eq (car l) :exit)
(list* :exit
`(cons ',name
(trace-hide-world-and-state
(let ((arglist si::arglist))
(declare (ignorable arglist))
,(cadr l))))
(cddr l)))
(t (list* (car l) (cadr l) (trace-fix-exit-raw name (cddr l))))))
(defun trace-fix-exit (name original-name l &aux (state *the-live-state*))
(cond ((endp l)
(list :exit
(protect-mv
`(trace-ppr-gcl :out
(cons ',name
,(trace-values original-name)))
(trace-multiplicity original-name state))))
((eq (car l) :exit)
(list* :exit
(protect-mv
`(trace-ppr-gcl :out
(cons ',name
(let* ((values ,(trace-values original-name))
(arglist si::arglist))
(declare (ignorable values arglist))
,(cadr l))))
(trace-multiplicity original-name state))
(cddr l)))
(t (list* (car l) (cadr l) (trace-fix-exit name original-name (cddr l))))))
(defun trace-fix-cond (trace-spec)
(if (member-eq :cond trace-spec) ; optimization
(loop for tail on trace-spec
append
(if (eq (car tail) :cond)
(prog1 (list :cond
`(let ((arglist si::arglist))
,(cadr tail)))
(setq tail (cdr tail)))
(list (car tail))))
trace-spec))
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