File:
[gforth] /
gforth /
fi2c.fs
Revision
1.1:
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Sun Nov 8 23:08:04 1998 UTC (25 years, 5 months ago) by
pazsan
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Bug fix: print cause for problems in command line
Cleaned up Makefiles
Adjusted configures for DOS and OS/2 (not tested yet)
New feature: link image into executable (for non-OS systems)
\ Convert image to C include file
0 Value image
0 Value bitmap
Create magicbuf 8 allot
: search-magic ( fd -- ) >r
BEGIN magicbuf 8 r@ read-file throw 8 = WHILE
magicbuf s" Gforth1" tuck compare 0= UNTIL
ELSE true abort" No magic found" THEN
rdrop ;
Create image-header 4 cells allot
Variable image-cells
Variable bitmap-chars
: read-header ( fd -- )
image-header 4 cells rot read-file throw drop
image-header 2 cells + @ dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars !
image-cells @ cells allocate throw to image
bitmap-chars @ allocate throw to bitmap ;
: read-dictionary ( fd -- ) >r
image image-cells @ cells r> read-file throw drop ;
: read-bitmap ( fd -- ) >r
bitmap bitmap-chars @ r> read-file throw drop ;
: .08x ( n -- ) 0 <# # # # # # # # # 'x hold '0 hold #> type ;
: .02x ( n -- ) 0 <# # # 'x hold '0 hold #> type ;
: .image ( -- )
image-cells @ 0 ?DO
I 4 + I' min I ?DO space image I cells + @ .08x ." ," LOOP cr
4 +LOOP ;
: .reloc ( -- )
bitmap-chars @ 0 ?DO
I 8 + I' min I ?DO space bitmap I + c@ .02x ." ," LOOP cr
8 +LOOP ;
: read-image ( addr u -- )
r/o bin open-file throw >r
r@ search-magic
r@ file-position throw r@ read-header r@ reposition-file throw
r@ read-dictionary r@ read-bitmap r> close-file throw ;
: .imagesize ( -- )
image-header 3 cells + @ 1 cells / .08x ;
: .relocsize ( -- )
bitmap-chars @ .08x ;
: fi2c ( addr u -- ) base @ >r hex
read-image
." #include " '" emit ." forth.h" '" emit cr
." Cell image[" .imagesize ." ] = {" cr .image ." };" cr
." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr
r> base ! ;
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