factor/library/cli.factor

57 lines
1.7 KiB
Factor

! Copyright (C) 2003, 2004 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: kernel
USING: errors hashtables io kernel-internals lists namespaces
parser sequences strings ;
: run-user-init ( -- )
#! Run user init file if it exists
"user-init" get [
"~" get "/.factor-rc" append dup exists?
[ try-run-file ] [ drop ] if
] when ;
: set-path ( value seq -- )
unswons over [ nest [ set-path ] bind ] [ nip set ] if ;
: cli-var-param ( name value -- )
swap ":" split >list set-path ;
: cli-bool-param ( name -- ) "no-" ?head not cli-var-param ;
: 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.
#!
#! Arguments containing = are handled differently; they
#! set the object path.
"=" split1 [ cli-var-param ] [ cli-bool-param ] if* ;
: cli-arg ( argument -- argument )
#! Handle a command-line argument. If the argument was
#! consumed, returns f. Otherwise returns the argument.
#! Parameters that start with + are runtime parameters.
dup empty? [
"-" ?head [ cli-param f ] when
dup [ "+" ?head [ drop f ] when ] when
] unless ;
: cli-args ( -- args ) 10 getenv ;
: default-shell "tty" ;
: default-cli-args
#! Some flags are *on* by default, unless user specifies
#! -no-<flag> CLI switch
"user-init" on
"compile" on
"native-io" on
"null-stdio" off
macosx? "cocoa" set
unix? macosx? not and "x11" set
default-shell "shell" set ;
: parse-command-line ( -- )
cli-args [ cli-arg ] subset [ try-run-file ] each ;