factor/library/platform/jvm/init.factor

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!:folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2004 Slava Pestov.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
IN: init
USE: combinators
USE: compiler
USE: continuations
USE: kernel
USE: lists
USE: interpreter
USE: namespaces
USE: parser
USE: stack
USE: stdio
USE: streams
USE: strings
: cli-param ( param -- )
#! Handle a command-line argument starting with '-' by
#! setting that variable to t, or if the argument is
#! prefixed with 'no-', setting the variable to f.
dup "no-" str-head? dup [
f put drop
] [
drop t put
] ifte ;
: cli-arg ( argument -- argument )
#! Handle a command-line argument. If the argument was
#! consumed, returns f. Otherwise returns the argument.
dup [
dup "-" str-head? dup [
cli-param drop f
] [
drop
] ifte
] when ;
: parse-switches ( args -- args )
[ cli-arg ] inject ;
: run-files ( args -- )
[ [ run-file ] when* ] each ;
: parse-command-line ( args -- )
#! Parse command line arguments.
"args" get parse-switches run-files ;
: stdin ( -- stdin )
"java.lang.System" "in" jvar-static-get
<ireader> <breader> ;
: stdout ( -- stdout )
"java.lang.System" "out" jvar-static-get <owriter> ;
: init-stdio ( -- )
#! Initialize standard input/output.
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stdin stdout <char-stream> "stdio" set ;
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: init-environment ( -- )
#! Initialize OS-specific constants.
"user.home" system-property "~" set
"file.separator" system-property "/" set ;
: run-user-init ( -- )
#! Run user init file if it exists
"~" get "/" get ".factor-rc" cat3 "init-path" set
"user-init" get [
"init-path" get dup exists? [
interactive-run-file
] [
drop
] ifte
] when ;
: boot ( -- )
#! The boot word is run by the intepreter when starting from
#! an object database.
! Some flags are *on* by default, unless user specifies
! -no-<flag> CLI switch
t "user-init" set
t "compile" set
init-stdio
init-environment
init-search-path
init-scratchpad
parse-command-line
run-user-init
"compile" get [
compile-all
] when
print-banner
init-interpreter ;