1 ;;;; functions from classic CMU CL src/compiler/main.lisp which are
2 ;;;; needed only (and which may make sense only) on the
3 ;;;; cross-compilation target, not the cross-compilation host
5 ;;;; This software is part of the SBCL system. See the README file for
8 ;;;; This software is derived from the CMU CL system, which was
9 ;;;; written at Carnegie Mellon University and released into the
10 ;;;; public domain. The software is in the public domain and is
11 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
12 ;;;; files for more information.
18 (defun get-lambda-to-compile (definition-designator)
19 (if (consp definition-designator)
21 (multiple-value-bind (definition env-p)
22 (function-lambda-expression definition-designator)
24 (error "~S was defined in a non-null environment."
25 definition-designator))
27 (error "can't find a definition for ~S" definition-designator))
30 ;;; Handle the nontrivial case of CL:COMPILE.
31 (defun actually-compile (name definition *lexenv*)
32 (with-compilation-values
33 (sb!xc:with-compilation-unit ()
34 ;; FIXME: These bindings were copied from SUB-COMPILE-FILE with
35 ;; few changes. Once things are stable, the shared bindings
36 ;; probably be merged back together into some shared utility
37 ;; macro, or perhaps both merged into one of the existing utility
38 ;; macros SB-C::WITH-COMPILATION-VALUES or
39 ;; CL:WITH-COMPILATION-UNIT.
40 (let* (;; FIXME: Do we need the *INFO-ENVIRONMENT* rebinding
41 ;; here? It's a literal translation of the old CMU CL
42 ;; rebinding to (OR *BACKEND-INFO-ENVIRONMENT*
43 ;; *INFO-ENVIRONMENT*), and it's not obvious whether the
44 ;; rebinding to itself is needed now that SBCL doesn't
45 ;; need *BACKEND-INFO-ENVIRONMENT*.
46 (*info-environment* *info-environment*)
47 (form (get-lambda-to-compile definition))
48 (*source-info* (make-lisp-source-info form))
49 (*toplevel-lambdas* ())
51 (*allow-instrumenting* nil)
52 (*compiler-error-bailout*
53 (lambda (&optional error)
54 (declare (ignore error))
56 "~2&fatal error, aborting compilation~%")
57 (return-from actually-compile (values nil t nil))))
59 (*last-source-context* nil)
60 (*last-original-source* nil)
61 (*last-source-form* nil)
62 (*last-format-string* nil)
63 (*last-format-args* nil)
64 (*last-message-count* 0)
66 ;; KLUDGE: This rebinding of policy is necessary so that
67 ;; forms such as LOCALLY at the REPL actually extend the
68 ;; compilation policy correctly. However, there is an
69 ;; invariant that is potentially violated: future
70 ;; refactoring must not allow this to be done in the file
71 ;; compiler. At the moment we're clearly alright, as we
72 ;; call %COMPILE with a core-object, not a fasl-stream,
73 ;; but caveat future maintainers. -- CSR, 2002-10-27
74 (*policy* (lexenv-policy *lexenv*))
76 (*handled-conditions* (lexenv-handled-conditions *lexenv*))
78 (*disabled-package-locks* (lexenv-disabled-package-locks *lexenv*))
79 ;; FIXME: ANSI doesn't say anything about CL:COMPILE
80 ;; interacting with these variables, so we shouldn't. As
81 ;; of SBCL 0.6.7, COMPILE-FILE controls its verbosity by
82 ;; binding these variables, so as a quick hack we do so
83 ;; too. But a proper implementation would have verbosity
84 ;; controlled by function arguments and lexical variables.
85 (*compile-verbose* nil)
86 (*compile-print* nil))
87 (handler-bind (((satisfies handle-condition-p) #'handle-condition-handler))
89 (find-source-paths form 0)
90 (%compile form (make-core-object)
92 :path '(original-source-start 0 0)))))))
94 (defun compile-in-lexenv (name definition lexenv)
95 (multiple-value-bind (compiled-definition warnings-p failure-p)
96 (if (compiled-function-p definition)
97 (values definition nil nil)
98 (actually-compile name definition lexenv))
100 (if (and (symbolp name)
101 (macro-function name))
102 (setf (macro-function name) compiled-definition)
103 (setf (fdefinition name) compiled-definition))
104 (values name warnings-p failure-p))
106 (values compiled-definition warnings-p failure-p)))))
108 (defun compile (name &optional (definition (or (macro-function name)
109 (fdefinition name))))
111 "Coerce DEFINITION (by default, the function whose name is NAME)
112 to a compiled function, returning (VALUES THING WARNINGS-P FAILURE-P),
113 where if NAME is NIL, THING is the result of compilation, and
114 otherwise THING is NAME. When NAME is not NIL, the compiled function
115 is also set into (MACRO-FUNCTION NAME) if NAME names a macro, or into
116 (FDEFINITION NAME) otherwise."
117 (compile-in-lexenv name definition (make-null-lexenv)))