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|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; HOL 88 Version 2.0 ;;;
;;; ;;;
;;; FILE NAME: f-iox-stand.l ;;;
;;; ;;;
;;; DESCRIPTION: ML I/O and flags ;;;
;;; ;;;
;;; USES FILES: f-franz.l (or f-cl.l), f-constants.l, f-macro.l ;;;
;;; ;;;
;;; University of Cambridge ;;;
;;; Hardware Verification Group ;;;
;;; Computer Laboratory ;;;
;;; New Museums Site ;;;
;;; Pembroke Street ;;;
;;; Cambridge CB2 3QG ;;;
;;; England ;;;
;;; ;;;
;;; COPYRIGHT: University of Edinburgh ;;;
;;; COPYRIGHT: University of Cambridge ;;;
;;; COPYRIGHT: INRIA ;;;
;;; ;;;
;;; REVISION HISTORY: Original code: din,iox (lisp 1.6) part of Edinburgh ;;;
;;; LCF by M. Gordon, R. Milner and C. Wadsworth (1978) ;;;
;;; Transported by G. Huet in Maclisp on Multics, Fall ;;;
;;; 1981 ;;;
;;; ;;;
;;; V1.4: nextch imported from F-parser, digitp,etc. exported to F-parser ;;;
;;; ;;;
;;; V2.2: part 4 imported from F-tml ;;;
;;; local variables in and lcferror ;;;
;;; ;;;
;;; |%undisch_defs-flag| deleted [TFM 90.12.01] ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(eval-when (compile)
#+franz (include "lisp/f-franz")
(include "lisp/f-constants")
(include "lisp/f-macro")
(special %flags %search-path |%prompt-flag| |%print_load-flag| %directory
%library-search-path |%print_lib-flag|)
(*lexpr concat uconcat))
;;; print on an output file, setting output parameters properly
;;; use channel %outport
(defun hol-print-file (x)
(let ((*print-level* nil) (*print-length* nil)
(*print-escape* t) (*print-pretty* nil)
(prinlevel nil) (prinlength nil)
(#+franz poport #-franz *standard-output* %outport))
(llprint x)
(llterpri))) ; hol-print-file
;;; Part 2: Predicates on tokens
(defun idenp (tok)
(let ((l (exploden tok)))
(and l
(letterp (car l))
(forall 'alphanump (cdr l))))) ;idenp
(defun nump (tok)
(can (function ml-int_of_string) (list tok))) ;nump
;;; Part 3 : terminal input
;;; MJCG 30/11/88 for HOL88
;;; List of settable flags
;;; |%undisch_defs-flag| deleted [TFM 90.12.01]
;;; |%read_sexpr-flag| added [JVT 90.13.12]
;;; |%print_fasl-flag| added [TFM 91.01.20]
(setq %flags
'(|%theory_pp-flag| |%prompt-flag| |%show_types-flag| |%type_error-flag|
|%timing-flag| |%sticky-flag| |%interface_print-flag|
|%abort_when_fail-flag|
|%print_top_val-flag| |%print_top_types-flag| |%print_list-flag|
|%print_set-flag| |%print_cond-flag| |%print_infix-flag|
|%print_load-flag|
|%print_quant-flag| |%print_restrict-flag| |%print_let-flag|
|%print_uncurry-flag| |%print_lettypes-flag| |%print_lib-flag|
|%compile_on_the_fly-flag| |%file_load_msg-flag| |%preterm-flag|
|%read_sexpr-flag| |%print_fasl-flag|
|%pp_sexpr-flag| |%print_sexpr-flag| |%print_parse_trees-flag|))
(setq |%print_lib-flag| nil)
(setq |%print_load-flag| t)
;;; (setq |%undisch_defs-flag| t) deleted [TFM 90.12.01]
(setq |%preterm-flag| nil)
(setq |%print_fasl-flag| nil)
;;; MJCG 28/11/88 for HOL88
;;; dml-ed function for setting Lisp flags from ML
;;; special case for print_fasl-flag
(defun ml-set_flag (flag val)
(let
((pflag (concat '|%| (canonise-case-symbol flag) '|-flag|)))
(if (equal pflag '|%print_fasl-flag|)
(prog1 (eval pflag) (set-fasl-flag val))
(if (memq pflag %flags)
(prog1 (eval pflag) (set pflag val))
(failwith (concat flag " not a settable flag"))))))
(dml |set_flag| 2 ml-set_flag ((|string| |#| |bool|) -> |bool|))
;;; MJCG 13/10/89 for HOL88
;;; dml-ed function for creating new Lisp flags from ML
(defun ml-new_flag (flag val)
(let
((pflag (concat '|%| (canonise-case-symbol flag) '|-flag|)))
(if(memq pflag %flags)
(failwith (concat flag " is already a flag"))
(prog ()
(setq %flags (cons pflag %flags))
(set pflag val)
(return nil)))))
(dml |new_flag| 2 ml-new_flag ((|string| |#| |bool|) -> |void|))
;;; MJCG 5/2/89 for HOL88
;;; dml-ed function for accessing the value of a settable flag from ML
(defun ml-get_flag_value (flag)
(let
((pflag
(concat '|%| (canonise-case-symbol flag) '|-flag|)))
(if (memq pflag %flags)
(eval pflag)
(failwith (concat flag " not a settable flag")))))
(dml |get_flag_value| 1 ml-get_flag_value (|string| -> |bool|))
;;; MJCG 13/10/89 for HOL88
;;; dml-ed function for getting list of flags
;;; Bugfix for CL. MJCG 23/11/90: cdddddr expanded out
;;; (since not defined in CL)
(defun ml-flags ()
(reverse
(mapcar
(function
; (lambda (x) (imploden (reverse(cdddddr(reverse(cdr(exploden x))))))))
(lambda (x)
(imploden
(reverse(cdr(cdr(cdr(cdr(cdr(reverse(cdr(exploden x))))))))))))
%flags)))
(dml |flags| 0 ml-flags (|void| -> (|string| |list|)))
;;; MJCG 29/11/88 for HOL88
;;; |%prompt-flag| determines whether to output a prompt
(setq |%prompt-flag| t)
(defun nextcn ()
(if (null inputstack)
(cond
(fin-ligne
(if |%prompt-flag| (princ %prompt-string))
(setq fin-ligne nil))))
(let ((c (llreadcn)))
(if (null c) (throw-from eof nil))
;; Modification J.Joyce Apr 87 - prompt also on cr character
(if (or (= c lf) (= c cr))
(setq fin-ligne t)) ;newline: arm prompt
c)) ;nextch
;;; MJCG 28/11/88 for HOL88
;;; dml-ed function for setting |%prompt-flag|
(defun ml-prompt (x) (prog1 |%prompt-flag| (setq |%prompt-flag| x)))
(dml |prompt| 1 ml-prompt (|bool| -> |bool|))
;;; Part 4: file token handling and file opening, closing, etc
;;; MJCG 12/10/88 for HOL88
;;; %search-path holds the HOL users search path. It is initialized to nil.
(setq %search-path nil)
;;; MJCG 13/10/88 for HOL88
;;; dml-ed function for getting search path from ML
(defun ml-search_path () %search-path)
(dml |search_path| 0 ml-search_path (|void| -> (|string| |list|)))
;;; MJCG 13/10/88 for HOL88
;;; dml-ed function for setting search path from ML
;;; (old search path returned)
;;; MJCG 26/9/89 for HOL88
;;; () returned
(defun ml-set_search_path (new-path)
(progn %search-path (setq %search-path new-path) nil))
(dml |set_search_path| 1 ml-set_search_path
((|string| |list|) -> |void|))
;;; =====================================================================
;;; TFM 23.11.91 for version 2.01
;;; %library-search-path holds the HOL users library search path.
;;; It is initialized to nil.
;;; =====================================================================
(setq %library-search-path nil)
;;; dml-ed function for getting library search path from ML
(defun ml-library_search_path () %library-search-path)
(dml |library_search_path| 0 ml-library_search_path
(|void| -> (|string| |list|)))
;;; dml-ed function for setting library search path from ML
(defun ml-set_library_search_path (new-path)
(progn %library-search-path (setq %library-search-path new-path) nil))
(dml |set_library_search_path| 1 ml-set_library_search_path
((|string| |list|) -> |void|))
;;; MJCG 312/10/88 for HOL88
;;; Split a file into its name and extension
(defun dest-file-name (tok)
(prog (chars ext)
(setq chars (reverse (exploden tok)))
(setq ext nil)
loop (if (null chars) (return (cons tok nil)))
(cond
((or (not (= (car chars) #/.)) (null (cdr chars)))
(setq ext (cons (car chars) ext))
(setq chars (cdr chars))
(go loop))
((= (cadr chars) #/.) ; we have the unix '..' directory idiom
(return (cons tok nil)))
(t
(return
(cons (imploden (reverse (cdr chars))) (imploden ext)))))))
(defun file-name (tok) (car (dest-file-name tok)))
(defun file-ext (tok) (cdr (dest-file-name tok)))
;;; MJCG 12/10/88 and 31/10/88 for HOL88
;;; (find-file name) returns name if it exists on the current directory,
;;; otherwise it returns the first piname that exists, where
;;; %search-path = (p1 ... pn).
;;; If no such pi exists then name (prepended with %directory) is returned
;;; (for compatability with old code).
;;; If the file name has the form `name.m*` then find-file
;;; searches each directory first for `name_ml.o` and then `name.ml`
;;; (this hack is for code compatibility).
(defun find-file (tok)
(let*
((name-and-type (dest-file-name tok))
(name (car name-and-type))
(exts
(if (eq (cdr name-and-type) '|m*|)
(list "_ml.o" ".ml")
(list
(if (cdr name-and-type) (catenate "." (cdr name-and-type))
""))))
(found nil)
(pre-directory
;; JAC 19.06.92 for pc - prepend empty string if filename
;; is already completely specified (i.e. contains :) - was
;; (or (and (boundp '%directory) (symbol-value '%directory)) "")
(or
(and (boundp '%directory)
#+pc (not (find (schar ":" 0) (string tok)))
(symbol-value '%directory))
"")))
(do
((search-path
(nconc (if (exploden pre-directory) (list pre-directory))
(or %search-path (list "")))
(cdr search-path)))
((null search-path)
(catenate pre-directory tok))
(setq found
(find-file1 (car search-path) name exts))
(if found (return found)))))
;;; JVT 11/03/93 for HOL88 V2.02
;;; Some common lisps do not support automatic expansion of "~" into
;;; the user's home directory when loading files. A change was made to
;;; find-file1 to ensure that the file returned (if found) by find-file1
;;; has a fully expanded pathname.
(defun find-file1 (dir name exts)
(do
((exts (cons "" exts) (cdr exts))
(file nil))
((null exts) nil)
(setq file (catenate dir name (car exts)))
(let ((fle (probe-file file)))
(if fle #+franz (return file) #-franz (return (namestring fle))))))
;;; MJCG 13/10/88 for HOL88
;;; dml-ed versions of find-file; failure if files can't be found
;;; (N.B. Lisp find-file doesn't fail)
(defun ml-find_file (name)
(let
((file (find-file name)))
(if (probe-file file) file (failwith '|find_file|))))
(dml |find_file| 1 ml-find_file (|string| -> |string|))
(defun ml-find_ml_file (name)
(let
((file
(find-file
(if (ends-in-ml name) name (catenate name '|.m*|)))))
(if (probe-file file) file (failwith '|find_file|))))
(dml |find_ml_file| 1 ml-find_ml_file (|string| -> |string|))
(defun ml-find_theory (name)
(or (fileexists 'theory name) (failwith '|find_file|)))
(dml |find_theory| 1 ml-find_theory (|string| -> |string|))
;;; MJCG 12/10/88 for HOL88
;;; find-file wrapped around fileof
(defun fileexists (kind tok)
(let ((file (find-file (fileof kind tok))))
(if (probe-file file) file)))
|
