f18e1fea36
* build-aux/build.sh.in: Move from ./build.sh
* build-aux/check.sh.in: Likewise.
* build-aux/GNUmakefile.in: Likewise.
* build-aux/install.sh.in: Likewise.
* build-aux/uninstall.sh.in: Likewise.
* configure: Substitute them.
* configure.sh: Likewise.
* build-aux/build-cc.sh: Update: use ${srcdest} instead of ${top_builddest}.
* build-aux/build-cc32.sh: Likewise.
* build-aux/build-guile.sh: Likewise.
* build-aux/build-mes.sh: Likewise.
* build-aux/cc-mes.sh: Likewise.
* build-aux/cc.sh: Likewise.
* build-aux/cc32-mes.sh: Likewise.
* build-aux/check-boot.sh: Likewise.
* build-aux/check-mes.sh: Likewise.
* build-aux/check-mescc.sh: Likewise.
* build-aux/config.sh: Likewise.
* build-aux/export.make: Likewise.
* build-aux/mes-snarf.scm: Likewise.
* build-aux/pre-inst-env.in: Likewise.
* build-aux/test.sh: Likewise.
* build-aux/trace.sh: Likewise.
* module/mescc/mescc.scm: Likewise.
* scripts/mescc.in: Likewise.
* src/mes.c: Likewise.
* .gitignore: Likewise.
248 lines
10 KiB
Scheme
Executable file
248 lines
10 KiB
Scheme
Executable file
#! /bin/sh
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# -*-scheme-*-
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exec ${GUILE-guile} --no-auto-compile -L $(dirname $0) -C $(dirname $0) -e '(mes-snarf)' -s "$0" "$@"
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!#
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;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; mes-snarf.scm: This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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(define-module (mes-snarf)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-8)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 rdelim)
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#:export (main))
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(cond-expand
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(mes
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(define %scheme "mes"))
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(guile-2
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(define %scheme "guile")
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(define-macro (mes-use-module . rest) #t))
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(guile
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(use-modules (ice-9 syncase))
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(define %scheme "guile")
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(define-macro (mes-use-module . rest) #t)))
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(mes-use-module (mes guile))
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(mes-use-module (srfi srfi-1))
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(mes-use-module (srfi srfi-8))
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(mes-use-module (srfi srfi-9))
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(mes-use-module (srfi srfi-26))
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(when (and=> (getenv "V") (lambda (v) (> (string->number v) 1)))
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(format (current-error-port) "mes-snarf[~a]...\n" %scheme))
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(define (char->char from to char)
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(if (eq? char from) to char))
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(define (string-replace-char string from to)
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(string-map (cut char->char from to <>) string))
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(define (string-replace-suffix string from to)
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(if (string-suffix? from string)
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(string-replace string to (- (string-length string) (string-length from)))
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string))
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(define (string-replace-string string from to)
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(cond ((string-contains string from) => (lambda (i) (string-replace string to i (+ i (string-length from)))))
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(else string)))
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(define %gcc? #t)
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(define-record-type <file> (make-file name content)
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file?
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(name file.name)
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(content file.content))
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(define-record-type <function> (make-function name formals annotation)
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function?
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(name function.name)
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(formals function.formals)
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(annotation function.annotation))
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(define (function-scm-name f)
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(or (assoc-ref (function.annotation f) 'name)
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(let ((name ((compose
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identity
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(cut string-replace-char <> #\_ #\-)
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(cut string-replace-string <> "_to_" "->")
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(cut string-replace-suffix <> "_x" "!")
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(cut string-replace-suffix <> "_x_" "!-")
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(cut string-replace-suffix <> "_p" "?")
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)
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(function.name f))))
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(if (not (string-suffix? "-" name)) name
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(string-append "core:" (string-drop-right name 1))))))
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(define %builtin-prefix% "scm_")
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(define (function-builtin-name f)
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(string-append %builtin-prefix% (function.name f)))
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(define %cell-prefix% "cell_")
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(define (function-cell-name f)
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(string-append %cell-prefix% (function.name f)))
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(define %start 1)
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(define (symbol->header s i)
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(format #f "#define cell_~a ~a\n" s i))
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(define (symbol->source s i)
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(string-append
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(format #f "g_free++;\n")
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(format #f "g_cells[cell_~a] = scm_~a;\n\n" s s)))
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(define (symbol->names s i)
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(if %gcc?
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(format #f "g_cells[cell_~a].car = cstring_to_list (scm_~a.name);\n" s s)
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(format #f "g_cells[cell_~a].car = cstring_to_list (scm_~a.car);\n" s s)))
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(define (function->header f i)
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(let* ((arity (or (assoc-ref (function.annotation f) 'arity)
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(if (string-null? (function.formals f)) 0
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(length (string-split (function.formals f) #\,)))))
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(n (if (eq? arity 'n) -1 arity)))
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(string-append
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(format #f "SCM ~a (~a);\n" (function.name f) (function.formals f))
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(if %gcc?
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(format #f "struct function fun_~a = {.function~a=&~a, .arity=~a, .name=~s};\n" (function.name f) arity (function.name f) n (function-scm-name f))
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(format #f "struct function fun_~a = {&~a, ~a, ~s};\n" (function.name f) (function.name f) n (function-scm-name f)))
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(if %gcc?
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(format #f "struct scm ~a = {TFUNCTION, .name=0, .function=0};\n" (function-builtin-name f))
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(format #f "struct scm ~a = {TFUNCTION, 0, 0};\n" (function-builtin-name f)))
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(format #f "SCM cell_~a;\n\n" (function.name f)))))
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(define (function->source f i)
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(string-append
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(if %gcc?
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(format #f "~a.function = g_function;\n" (function-builtin-name f))
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(format #f "~a.cdr = g_function;\n" (function-builtin-name f)))
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(format #f "g_functions[g_function++] = fun_~a;\n" (function.name f))
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(format #f "cell_~a = g_free++;\n" (function.name f))
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(format #f "g_cells[cell_~a] = ~a;\n\n" (function.name f) (function-builtin-name f))))
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(define (function->environment f i)
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(string-append
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(if %gcc?
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(format #f "scm_~a.string = cstring_to_list (fun_~a.name);\n" (function.name f) (function.name f))
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(format #f "scm_~a.car = cstring_to_list (fun_~a.name);\n" (function.name f) (function.name f)))
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(if %gcc?
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(format #f "g_cells[cell_~a].string = MAKE_STRING (scm_~a.string);\n" (function.name f) (function.name f))
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(format #f "g_cells[cell_~a].car = MAKE_STRING (scm_~a.car);\n" (function.name f) (function.name f)))
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(if %gcc?
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(format #f "a = acons (lookup_symbol_ (scm_~a.string), ~a, a);\n\n" (function.name f) (function-cell-name f))
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(format #f "a = acons (lookup_symbol_ (scm_~a.car), ~a, a);\n\n" (function.name f) (function-cell-name f)))))
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(define (disjoin . predicates)
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(lambda (. arguments)
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(any (cut apply <> arguments) predicates)))
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(define (snarf-symbols string)
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(let* ((lines (string-split string #\newline))
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(scm (filter (cut string-prefix? "struct scm scm_" <>) lines))
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(symbols (filter (disjoin (cut string-contains <> "TSPECIAL") (cut string-contains <> "TSYMBOL")) scm)))
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(define (line->symbol line)
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((compose
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(lambda (s) (string-take s (string-index s #\space)))
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(cut string-drop <> (string-length "struct scm scm_")))
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line))
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(map line->symbol symbols)))
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(define (string-split-string string sep)
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(cond ((string-contains string sep) => (lambda (i) (list (string-take string i) (string-drop string (+ i (string-length sep))))))
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(else (list string #f))))
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(define (snarf-functions string)
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(let ((lines (string-split string #\newline)))
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(filter-map
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(lambda (line previous)
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(receive (function rest)
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(apply values (string-split-string line " "))
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(and function
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(equal? (string-trim previous) "SCM")
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(not (string-null? function))
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(not (string-prefix? "#" function))
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(not (string-prefix? "/" function))
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rest
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(receive (parameter-list annotation)
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(apply values (string-split-string rest " ///"))
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(let* ((parameters (string-drop parameter-list 1))
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(parameters (string-drop-right parameters 1))
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(formals (if (string-null? parameters) '()
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(string-split parameters #\,)))
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(formals (map string-trim formals)))
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(and parameters
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(let* ((non-SCM (filter (negate (cut string-prefix? "SCM" <>)) formals)))
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(and (null? non-SCM)
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(let ((annotation (and annotation (with-input-from-string annotation read))))
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(make-function function parameters annotation))))))))))
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lines (cons "\n" lines))))
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(define (content? f)
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((compose not string-null? file.content) f))
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(define (internal? f)
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((compose (cut assoc-ref <> 'internal) function.annotation) f))
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(define (no-environment? f)
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((compose (cut assoc-ref <> 'no-environment) function.annotation) f))
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(define (generate-includes file-name)
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(let* ((srcdest (or (getenv "srcdest") ""))
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(string (with-input-from-file (string-append srcdest file-name) read-string))
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(functions (snarf-functions string))
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(functions (delete-duplicates functions (lambda (a b) (equal? (function.name a) (function.name b)))))
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(functions (filter (negate internal?) functions))
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(symbols (snarf-symbols string))
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(base-name (basename file-name ".c"))
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(dir (string-append (dirname file-name)))
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(base-name (string-append dir "/" base-name))
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(base-name (if %gcc? base-name
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(string-append base-name ".mes")))
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(header (make-file
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(string-append base-name ".h")
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(string-join (map function->header functions (iota (length functions) (+ %start (length symbols)))) "")))
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(source (make-file
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(string-append base-name ".i")
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(string-join (map function->source (filter (negate no-environment?) functions) (iota (length functions) (+ (length symbols) %start))) "")))
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(environment (make-file
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(string-append base-name ".environment.i")
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(string-join (map function->environment (filter (negate no-environment?) functions) (iota (length functions) (+ (length symbols) %start))) "")))
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(symbols.h (make-file
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(string-append base-name ".symbols.h")
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(string-join (map symbol->header symbols (iota (length symbols) %start)) "")))
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(symbols.i (make-file
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(string-append base-name ".symbols.i")
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(string-join (map symbol->source symbols (iota (length symbols))) "")))
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(symbol-names.i (make-file
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(string-append base-name ".symbol-names.i")
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(string-join (map symbol->names symbols (iota (length symbols))) ""))))
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(list header source environment symbols.h symbols.i symbol-names.i)))
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(define (file-write file)
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(system* "mkdir" "-p" (dirname (file.name file)))
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(with-output-to-file (file.name file) (lambda () (display (file.content file)))))
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(define (main args)
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(let* ((files (if (not (and (pair? (cdr args)) (equal? (cadr args) "--mes"))) (cdr args)
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(begin (set! %gcc? #f)
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(cddr args))))
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(files (append-map generate-includes files)))
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(map file-write (filter content? files))))
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