93 lines
2.7 KiB
Factor
93 lines
2.7 KiB
Factor
! :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: compiler
|
|
USE: alien
|
|
|
|
: DATASTACK ( -- ptr )
|
|
#! A pointer to a pointer to the datastack top.
|
|
"ds" dlsym-self ;
|
|
|
|
: CALLSTACK ( -- ptr )
|
|
#! A pointer to a pointer to the callstack top.
|
|
"cs" dlsym-self ;
|
|
|
|
: LITERAL ( cell -- )
|
|
#! Push literal on data stack.
|
|
#! Assume that it is ok to clobber EAX without saving.
|
|
DATASTACK EAX [I]>R
|
|
EAX I>[R]
|
|
4 DATASTACK I+[I] ;
|
|
|
|
: [LITERAL] ( cell -- )
|
|
#! Push complex literal on data stack by following an
|
|
#! indirect pointer.
|
|
ECX PUSH-R
|
|
( cell -- ) ECX [I]>R
|
|
DATASTACK EAX [I]>R
|
|
ECX EAX R>[R]
|
|
4 DATASTACK I+[I]
|
|
ECX POP-R ;
|
|
|
|
: PUSH-DS ( -- )
|
|
#! Push contents of EAX onto datastack.
|
|
ECX PUSH-R
|
|
DATASTACK ECX [I]>R
|
|
EAX ECX R>[R]
|
|
4 DATASTACK I+[I]
|
|
ECX POP-R ;
|
|
|
|
: PEEK-DS ( -- )
|
|
#! Peek datastack, store pointer to datastack top in EAX.
|
|
DATASTACK EAX [I]>R
|
|
4 EAX R-I ;
|
|
|
|
: POP-DS ( -- )
|
|
#! Pop datastack, store pointer to datastack top in EAX.
|
|
PEEK-DS
|
|
EAX DATASTACK R>[I] ;
|
|
|
|
: SELF-CALL ( name -- )
|
|
#! Call named C function in Factor interpreter executable.
|
|
dlsym-self CALL JUMP-FIXUP ;
|
|
|
|
: TYPE ( -- )
|
|
#! Peek datastack, store type # in EAX.
|
|
PEEK-DS
|
|
EAX PUSH-[R]
|
|
"type_of" SELF-CALL
|
|
4 ESP R+I ;
|
|
|
|
: ARITHMETIC-TYPE ( -- )
|
|
#! Peek top two on datastack, store arithmetic type # in EAX.
|
|
PEEK-DS
|
|
EAX PUSH-[R]
|
|
4 EAX R-I
|
|
EAX PUSH-[R]
|
|
"arithmetic_type" SELF-CALL
|
|
8 ESP R+I ;
|