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-rw-r--r--ipl/mprocs/loadfile.icn64
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diff --git a/ipl/mprocs/loadfile.icn b/ipl/mprocs/loadfile.icn
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-############################################################################
-#
-# File: loadfile.icn
-#
-# Subject: Procedure to produce and load program on the fly
-#
-# Author: Ralph E. Griswold
-#
-# Date: November 21, 1996
-#
-############################################################################
-#
-# This file is in the public domain.
-#
-############################################################################
-#
-# loadfile(exp, link, ...) produces and loads a program that generates
-# the results of exp. The trailing arguments name link
-# files needed for the expression. loadfile() returns a procedure
-# that generates the results.
-#
-############################################################################
-#
-# Requires: MT-Icon, system(), pipes, /tmp
-#
-############################################################################
-#
-# Links: io
-#
-############################################################################
-
-link io
-
-procedure loadfile(exp, links[]) #: produce and load program
- local output, prog
- static name
-
- output := tempfile("load", ".icn", "/tmp")
-
- image(output) ? {
- ="file("
- name := tab(find(".icn"))
- }
-
- write(output, "invocable all")
- every write(output, "link ", image(!links))
- write(output, "procedure main(args)")
- write(output, " suspend ", exp)
- write(output, "end")
-
- close(output)
-
- if system("mticont -o " || name || " -s " || name ||
- " >/dev/null 2>/dev/null") ~= 0 then fail
-
- remove(name || ".icn") # remove source code file
-
- # Load the program
-
- prog := load(name) | stop("*** load failure in loadfile")
-
- return variable("main", prog)
-
-end