version 1.2, 1994/07/29 11:16:26
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version 1.7, 1995/10/07 17:38:20
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Line 16
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\ addr2 is the aligned version of addr1 wrt the alignment size n |
\ addr2 is the aligned version of addr1 wrt the alignment size n |
1- tuck + swap invert and ; |
1- tuck + swap invert and ; |
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: create-field ( offset1 align1 size align -- offset2 align2 ) |
: field ( offset1 align1 size align -- offset2 align2 ) |
\ note: this version uses local variables |
\ note: this version uses local variables |
create |
Header reveal dofield: cfa, |
>r rot r@ nalign dup , ( align1 size offset ) |
>r rot r@ nalign dup , ( align1 size offset ) |
+ swap r> nalign ; |
+ swap r> nalign ; |
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Line 27
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0 1 chars end-struct struct |
0 1 chars end-struct struct |
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: field ( offset1 align1 size align -- offset2 align2 ) |
\ : field ( offset1 align1 size align -- offset2 align2 ) |
create-field |
\ create-field |
does> ( addr1 -- addr2 ) |
\ does> ( addr1 -- addr2 ) |
@ + ; |
\ @ + ; |
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\ I don't really like the "type:" syntax. Any other ideas? - anton |
\ I don't really like the "type:" syntax. Any other ideas? - anton |
\ Also, this seems to be somewhat general. It probably belongs to some |
\ Also, this seems to be somewhat general. It probably belongs to some |
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Line 47
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: floats: ( n -- size align ) |
: floats: ( n -- size align ) |
floats 1 floats ; |
floats 1 floats ; |
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\ dfoats and sfloats is not yet defined |
: dfloats: ( n -- size align ) |
\ : dfloats: ( n -- size align ) |
dfloats 1 dfloats ; |
\ dfloats 1 dfloats ; |
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\ |
: sfloats: ( n -- size align ) |
\ : sfloats: ( n -- size align ) |
sfloats 1 sfloats ; |
\ sfloats 1 sfloats ; |
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: struct-align ( size align -- ) |
: struct-align ( size align -- ) |
dp @ swap nalign dp ! |
dp @ swap nalign dp ! |
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Line 61
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over swap struct-align |
over swap struct-align |
here swap allot ; |
here swap allot ; |
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: struct-allocate ( size align -- addr ) |
: struct-allocate ( size align -- addr ior ) |
drop allocate ; |
drop allocate ; |