--- gforth/cross.fs 1995/01/24 17:31:17 1.20 +++ gforth/cross.fs 1996/05/09 18:12:58 1.35 @@ -1,7 +1,23 @@ \ CROSS.FS The Cross-Compiler 06oct92py -\ $Id: cross.fs,v 1.20 1995/01/24 17:31:17 pazsan Exp $ \ Idea and implementation: Bernd Paysan (py) -\ Copyright 1992-94 by the GNU Forth Development Group + +\ Copyright (C) 1995 Free Software Foundation, Inc. + +\ This file is part of Gforth. + +\ Gforth is free software; you can redistribute it and/or +\ modify it under the terms of the GNU General Public License +\ as published by the Free Software Foundation; either version 2 +\ of the License, or (at your option) any later version. + +\ This program is distributed in the hope that it will be useful, +\ but WITHOUT ANY WARRANTY; without even the implied warranty of +\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +\ GNU General Public License for more details. + +\ You should have received a copy of the GNU General Public License +\ along with this program; if not, write to the Free Software +\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. \ Log: \ changed in ; [ to state off 12may93jaw @@ -23,6 +39,10 @@ \ include other.fs \ ansforth extentions for cross +: string, ( c-addr u -- ) + \ puts down string as cstring + dup c, here swap chars dup allot move ; +' falign Alias cfalign : comment? ( c-addr u -- c-addr u ) 2dup s" (" compare 0= IF postpone ( @@ -39,10 +59,10 @@ decimal VARIABLE GhostNames 0 GhostNames ! : GhostName ( -- addr ) - here GhostNames @ , GhostNames ! here 0 , - bl word count -\ 2dup type space - dup c, here over chars allot swap move align ; + here GhostNames @ , GhostNames ! here 0 , + bl word count + \ 2dup type space + string, cfalign ; hex @@ -116,8 +136,9 @@ H -4 Constant :dovar -5 Constant :douser -6 Constant :dodefer --7 Constant :dodoes --8 Constant :doesjump +-7 Constant :dofield +-8 Constant :dodoes +-9 Constant :doesjump >CROSS @@ -172,11 +193,18 @@ CREATE Bittable 80 c, 40 c, 20 c, 10 c, : align+ ( taddr -- rest ) cell tuck 1- and - [ cell 1- ] Literal and ; +: cfalign+ ( taddr -- rest ) + \ see kernal.fs:cfaligned + float tuck 1- and - [ float 1- ] Literal and ; >TARGET : aligned ( taddr -- ta-addr ) dup align+ + ; \ assumes cell alignment granularity (as GNU C) +: cfaligned ( taddr1 -- taddr2 ) + \ see kernal.fs + dup cfalign+ + ; + >CROSS : >image ( taddr -- absaddr ) image @ + ; >TARGET @@ -195,6 +223,8 @@ CREATE Bittable 80 c, 40 c, 20 c, 10 c, : , ( w -- ) T here H cell T allot ! H ; : c, ( char -- ) T here 1 allot c! H ; : align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; +: cfalign ( -- ) + T here H cfalign+ 0 ?DO bl T c, H LOOP ; : A! dup relon T ! H ; : A, ( w -- ) T here H relon T , H ; @@ -274,7 +304,7 @@ VARIABLE Already UNTIL 2 cells + count cr ." CROSS: Exists: " type 4 spaces drop swap cell+ ! - ELSE true ABORT" CROSS: Ghostnames inconsistent" + ELSE true abort" CROSS: Ghostnames inconsistent " THEN ; : resolve ( ghost tcfa -- ) @@ -343,10 +373,73 @@ VARIABLE ^imm \ Target Header Creation 01nov92py : string, ( addr count -- ) - dup T c, H bounds DO I c@ T c, H LOOP ; -: name, ( "name" -- ) bl word count string, T align H ; + dup T c, H bounds ?DO I c@ T c, H LOOP ; +: name, ( "name" -- ) bl word count string, T cfalign H ; : view, ( -- ) ( dummy ) ; +\ Target Document Creation (goes to crossdoc.fd) 05jul95py + +s" crossdoc.fd" r/w create-file throw value doc-file-id +\ contains the file-id of the documentation file + +: \G ( -- ) + source >in @ /string doc-file-id write-line throw + source >in ! drop ; immediate + +Variable to-doc + +: cross-doc-entry ( -- ) + to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header + IF + s" " doc-file-id write-line throw + s" make-doc " doc-file-id write-file throw + tlast @ >image count $1F and doc-file-id write-file throw + >in @ + [char] ( parse 2drop + [char] ) parse doc-file-id write-file throw + s" )" doc-file-id write-file throw + [char] \ parse 2drop + POSTPONE \g + >in ! + THEN to-doc on ; + +\ Target TAGS creation + +s" kernal.TAGS" r/w create-file throw value tag-file-id +\ contains the file-id of the tags file + +Create tag-beg 2 c, 7F c, bl c, +Create tag-end 2 c, bl c, 01 c, +Create tag-bof 1 c, 0C c, + +2variable last-loadfilename 0 0 last-loadfilename 2! + +: put-load-file-name ( -- ) + loadfilename 2@ last-loadfilename 2@ d<> + IF + tag-bof count tag-file-id write-line throw + sourcefilename 2dup + tag-file-id write-file throw + last-loadfilename 2! + s" ,0" tag-file-id write-line throw + THEN ; + +: cross-tag-entry ( -- ) + tlast @ 0<> \ not an anonymous (i.e. noname) header + IF + put-load-file-name + source >in @ min tag-file-id write-file throw + tag-beg count tag-file-id write-file throw + tlast @ >image count $1F and tag-file-id write-file throw + tag-end count tag-file-id write-file throw + base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw +\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw + s" ,0" tag-file-id write-line throw + base ! + THEN ; + +\ Target header creation + VARIABLE CreateFlag CreateFlag off : (Theader ( "name" -- ghost ) T align H view, @@ -361,7 +454,8 @@ VARIABLE CreateFlag CreateFlag off dup >magic ^imm ! \ a pointer for immediate Already @ IF dup >end tdoes ! ELSE 0 tdoes ! THEN - 80 flag! ; + 80 flag! + cross-doc-entry cross-tag-entry ; VARIABLE ;Resolve 1 cells allot @@ -370,6 +464,7 @@ VARIABLE ;Resolve 1 cells allot >TARGET : Alias ( cfa -- ) \ name + dup 0< IF to-doc off THEN (THeader over resolve T A, H 80 flag! ; >CROSS @@ -404,7 +499,7 @@ ghost (loop) ghost (+loop) ghost (next) drop ghost unloop ghost ;S 2drop ghost lit ghost (compile) ghost ! 2drop drop -ghost (;code) ghost noop 2drop +ghost (does>) ghost noop 2drop ghost (.") ghost (S") ghost (ABORT") 2drop drop ghost ' @@ -492,7 +587,7 @@ Cond: [ restrict? state off ;Cond >TARGET Cond: DOES> restrict? - compile (;code) dodoes, tdoes @ ?dup IF @ T here H resolve THEN + compile (does>) dodoes, tdoes @ ?dup IF @ T here H resolve THEN ;Cond : DOES> dodoes, T here H !does depth T ] H ; @@ -591,15 +686,46 @@ Build: ( n -- ) T A, H ; by Constant Builder AConstant +Build: ( d -- ) T , , H ; +DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO +Builder 2Constant + Build: T 0 , H ; by Constant Builder Value +Build: T 0 A, H ; +by Constant +Builder AValue + Build: ( -- ) compile noop ; DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO Builder Defer by Defer :dodefer resolve +\ Sturctures 23feb95py + +>CROSS +: nalign ( addr1 n -- addr2 ) +\ addr2 is the aligned version of addr1 wrt the alignment size n + 1- tuck + swap invert and ; +>TARGET + +Build: >r rot r@ nalign dup T , H ( align1 size offset ) + + swap r> nalign ; +DO: T @ H + ;DO +Builder Field +by Field :dofield resolve + +: struct T 0 1 chars H ; +: end-struct T 2Constant H ; + +: cells: ( n -- size align ) + T cells 1 cells H ; + +\ ' 2Constant Alias2 end-struct +\ 0 1 T Chars H 2Constant struct + \ structural conditionals 17dec92py >CROSS @@ -751,10 +877,23 @@ Cond: [ELSE] [ELSE] ;Cond bigendian Constant bigendian -: save-cross ( "name" -- ) - bl parse ." Saving to " 2dup type +Create magic s" Gforth10" here over allot swap move + +char 1 bigendian + cell + magic 7 + c! + +: save-cross ( "image-name" "binary-name" -- ) + bl parse ." Saving to " 2dup type cr w/o bin create-file throw >r - s" gforth00" r@ write-file throw \ write magic + s" #! " r@ write-file throw + bl parse r@ write-file throw + s" -i" r@ write-file throw + #lf r@ emit-file throw + r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index ) + ?do + bl over emit-file throw + loop + drop + magic 8 r@ write-file throw \ write magic image @ there r@ write-file throw \ write image bit$ @ there 1- cell>bit rshift 1+ r@ write-file throw \ write tags @@ -775,8 +914,9 @@ cell constant cell \ include bug5.fs \ only forth also minimal definitions -: \ postpone \ ; -: ( postpone ( ; +: \ postpone \ ; +: \G postpone \G ; +: ( postpone ( ; : include bl word count included ; : .( [char] ) parse type ; : cr cr ;