(in-package "SB!IMPL")
-(file-comment
- "$Header$")
-
-(defvar *load-source-types* '("lisp" "l" "cl" "lsp")
- #!+sb-doc
- "The source file types which LOAD recognizes.")
-
-(defvar *load-object-types*
- '(#.sb!c:*backend-fasl-file-type*
- #.(sb!c:backend-byte-fasl-file-type)
- "fasl")
+(defvar *load-source-default-type* "lisp"
#!+sb-doc
- "A list of the object file types recognized by LOAD.")
-
-(declaim (list *load-source-types* *load-object-types*))
+ "The source file types which LOAD looks for by default.")
(defvar *load-truename* nil
#!+sb-doc
\f
;;;; SLOLOAD
-;;; something not EQ to anything read from a file
-;;; FIXME: shouldn't be DEFCONSTANT; and maybe make a shared EOF cookie in
-;;; SB-INT:*EOF-VALUE*?
-(defconstant load-eof-value '(()))
-
;;; Load a text file.
(defun sloload (stream verbose print)
(do-load-verbose stream verbose)
- (do ((sexpr (read stream nil load-eof-value)
- (read stream nil load-eof-value)))
- ((eq sexpr load-eof-value)
+ (do ((sexpr (read stream nil *eof-object*)
+ (read stream nil *eof-object*)))
+ ((eq sexpr *eof-object*)
t)
(if print
(let ((results (multiple-value-list (eval sexpr))))
(internal-load pathname truename if-does-not-exist verbose print
:binary))
(t
- (when (member (pathname-type truename)
- *load-object-types*
- :test #'string=)
+ (when (string= (pathname-type truename)
+ sb!c:*backend-fasl-file-type*)
(error "File has a fasl file type, but no fasl file header:~% ~S"
(namestring truename)))
(internal-load pathname truename if-does-not-exist verbose print
:source))))))))
-;;; a helper function for INTERNAL-LOAD-DEFAULT-TYPE
-(defun try-default-types (pathname types lp-type)
- ;; Modified 18-Jan-97/pw for logical-pathname support.
- ;;
- ;; FIXME: How does logical-pathname support interact with
- ;; *LOAD-SOURCE-TYPES* and *LOAD-OBJECT-TYPES*?
- (flet ((frob (pathname type)
- (let* ((pn (make-pathname :type type :defaults pathname))
- (tn (probe-file pn)))
- (values pn tn))))
- (if (typep pathname 'logical-pathname)
- (frob pathname lp-type)
- (dolist (type types (values nil nil))
- (multiple-value-bind (pn tn) (frob pathname type)
- (when tn
- (return (values pn tn))))))))
+;;; a helper function for INTERNAL-LOAD-DEFAULT-TYPE: Try the default
+;;; file type TYPE and return (VALUES PATHNAME TRUENAME) for a match,
+;;; or (VALUES PATHNAME NIL) if the file doesn't exist.
+;;;
+;;; This is analogous to CMU CL's TRY-DEFAULT-TYPES, but we only try a
+;;; single type. By avoiding CMU CL's generality here, we avoid having
+;;; to worry about some annoying ambiguities. (E.g. what if the
+;;; possible types are ".lisp" and ".cl", and both "foo.lisp" and
+;;; "foo.cl" exist?)
+(defun try-default-type (pathname type)
+ (let ((pn (make-pathname :type type :defaults pathname)))
+ (values pn (probe-file pn))))
-;;; a helper function for LOAD: Handle the case of INTERNAL-LOAD where the file
-;;; does not exist.
+;;; a helper function for LOAD: Handle the case of INTERNAL-LOAD where
+;;; the file does not exist.
(defun internal-load-default-type (pathname if-does-not-exist verbose print)
(declare (type (member nil :error) if-does-not-exist))
- ;; FIXME: How do the fixed "LISP" and "FASL" types interact with the
- ;; *LOAD-SOURCE-TYPES* and *LOAD-OBJECT-TYPES* values?
(multiple-value-bind (src-pn src-tn)
- (try-default-types pathname *load-source-types* "LISP")
+ (try-default-type pathname *load-source-default-type*)
(multiple-value-bind (obj-pn obj-tn)
- (try-default-types pathname *load-object-types* "FASL")
+ (try-default-type pathname sb!c:*backend-fasl-file-type*)
(cond
((and obj-tn
src-tn
(t
(internal-load pathname nil if-does-not-exist verbose print nil))))))
-;;; This function mainly sets up special bindings and then calls sub-functions.
-;;; We conditionally bind the switches with PROGV so that people can set them
-;;; in their init files and have the values take effect. If the compiler is
-;;; loaded, we make the compiler-policy local to LOAD by binding it to itself.
+;;; This function mainly sets up special bindings and then calls
+;;; sub-functions. We conditionally bind the switches with PROGV so
+;;; that people can set them in their init files and have the values
+;;; take effect. If the compiler is loaded, we make the
+;;; compiler-policy local to LOAD by binding it to itself.
;;;
;;; FIXME: ANSI specifies an EXTERNAL-FORMAT keyword argument.
;;;
source, the result of evaluating each top-level form is printed.
The default is *LOAD-PRINT*."
- (let ((sb!c::*default-cookie* sb!c::*default-cookie*)
- (sb!c::*default-interface-cookie* sb!c::*default-interface-cookie*)
- (*package* *package*)
+ (let ((sb!c::*policy* sb!c::*policy*)
+ (sb!c::*interface-policy* sb!c::*interface-policy*)
+ (*package* (sane-package))
(*readtable* *readtable*)
(*load-depth* (1+ *load-depth*))
;; The old CMU CL LOAD function used an IF-DOES-NOT-EXIST argument of
(gethash (concatenate 'simple-string
#!+linux "ldso_stub__"
#!+openbsd "_"
- #!+freebsd ""
+ #!+freebsd "ldso_stub__"
foreign-symbol)
*static-foreign-symbols*)
(sb!sys:get-dynamic-foreign-symbol-address foreign-symbol)
projects / sbcl.git / blobdiff