82 lines
2.6 KiB
Factor
82 lines
2.6 KiB
Factor
|
!:folding=indent:collapseFolds=1:
|
||
|
|
|
||
|
|
! $Id$
|
||
|
|
!
|
||
|
|
! Copyright (C) 2003 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: parser
|
||
|
|
USE: namespaces
|
||
|
|
USE: stack
|
||
|
|
USE: streams
|
||
|
|
|
||
|
|
: parse-file ( file -- list )
|
||
|
|
dup <freader> parse-stream ;
|
||
|
|
|
||
|
|
: run-file ( path -- )
|
||
|
|
parse-file call ;
|
||
|
|
|
||
|
|
: <custom-parser> ( filename reader interactive docs -- parser )
|
||
|
|
interpreter
|
||
|
|
[
|
||
|
|
"java.lang.String"
|
||
|
|
"java.io.BufferedReader"
|
||
|
|
"boolean"
|
||
|
|
"boolean"
|
||
|
|
"factor.FactorInterpreter"
|
||
|
|
]
|
||
|
|
"factor.FactorReader" jnew ;
|
||
|
|
|
||
|
|
: interactive-parse-stream ( filename reader -- list )
|
||
|
|
#! Reads until end-of-file from the reader, building a parse
|
||
|
|
#! tree. The filename is used for error reporting.
|
||
|
|
#!
|
||
|
|
#! This form should be used by the outer interpreter only.
|
||
|
|
#! Its default vocabularies are:
|
||
|
|
#! global [ "use" get ] bind
|
||
|
|
#! global [ "in" get ] bind
|
||
|
|
f t <custom-parser> parse* ;
|
||
|
|
|
||
|
|
: interactive-run-file ( path -- )
|
||
|
|
dup <freader> interactive-parse-stream call ;
|
||
|
|
|
||
|
|
: parse ( string -- list )
|
||
|
|
#! Parse a string using an interactive parser.
|
||
|
|
"<interactive>" swap <sreader> <breader> interactive-parse-stream ;
|
||
|
|
|
||
|
|
: eval ( "X" -- X )
|
||
|
|
parse call ;
|
||
|
|
|
||
|
|
: parse-number* ( str base -- number )
|
||
|
|
[ "java.lang.String" "int" ]
|
||
|
|
"factor.math.NumberParser"
|
||
|
|
"parseNumber"
|
||
|
|
jinvoke-static ;
|
||
|
|
|
||
|
|
: parse-number ( str -- number )
|
||
|
|
10 parse-number* ;
|
||
|
|
|
||
|
|
: hex> ( string -- num )
|
||
|
|
#! Convert a hexadecimal string to a number.
|
||
|
|
16 parse-number* ;
|