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4cbc95f150
* libguile/loader.c: * libguile/loader.h: Rename from objcodes.[ch]. * module/system/vm/loader.scm: Rename from objcode.scm. * libguile/Makefile.am: * libguile/gsubr.c: * libguile/init.c: * libguile/procs.c: * libguile/vm.c: * module/Makefile.am: * module/ice-9/eval-string.scm: * module/language/rtl/spec.scm: * module/system/base/target.scm: * module/system/repl/command.scm: * module/system/repl/common.scm: * module/system/vm/debug.scm: * module/system/vm/disassembler.scm: * module/system/vm/objcode.scm: * test-suite/tests/compiler.test: * test-suite/tests/dwarf.test: * test-suite/tests/rtl-compilation.test: * test-suite/tests/rtl.test: Adapt.
90 lines
3 KiB
Scheme
90 lines
3 KiB
Scheme
;;; Evaluating code from users
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;;; Copyright (C) 2011, 2013 Free Software Foundation, Inc.
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;;; Code:
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(define-module (ice-9 eval-string)
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#:use-module (system base compile)
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#:use-module (system base language)
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#:use-module (system vm program)
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#:use-module (system vm loader)
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#:replace (eval-string))
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(define (ensure-language x)
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(if (language? x)
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x
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(lookup-language x)))
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(define* (read-and-eval port #:key (lang (current-language)))
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(parameterize ((current-language (ensure-language lang)))
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(define (read)
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((language-reader (current-language)) port (current-module)))
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(define (eval exp)
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((language-evaluator (current-language)) exp (current-module)))
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(let ((exp (read)))
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(if (eof-object? exp)
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;; The behavior of read-and-compile and of the old
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;; eval-string.
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*unspecified*
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(let lp ((exp exp))
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(call-with-values
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(lambda () (eval exp))
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(lambda vals
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(let ((next (read)))
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(cond
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((eof-object? next)
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(apply values vals))
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(else
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(lp next)))))))))))
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(define* (eval-string str #:key
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(module (current-module))
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(file #f)
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(line #f)
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(column #f)
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(lang (current-language))
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(compile? #f))
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(define (maybe-with-module module thunk)
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(if module
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(save-module-excursion
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(lambda ()
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(set-current-module module)
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(thunk)))
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(thunk)))
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(let ((lang (ensure-language lang)))
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(call-with-input-string
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str
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(lambda (port)
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(maybe-with-module
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module
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(lambda ()
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(if module
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(set-current-module module))
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(if file
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(set-port-filename! port file))
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(if line
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(set-port-line! port line))
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(if column
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(set-port-column! port line))
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(if (or compile? (not (language-evaluator lang)))
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((load-thunk-from-memory
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(read-and-compile port #:from lang #:to 'rtl)))
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(read-and-eval port #:lang lang))))))))
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