version 1.1, 1994/02/11 16:30:47
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version 1.4, 1995/08/27 19:56:39
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Line 12
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Line 12
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\ 1 cells: field enum-method |
\ 1 cells: field enum-method |
\ end-struct ext-wordlist-map \ with the fields search-method,...,enum-method |
\ end-struct ext-wordlist-map \ with the fields search-method,...,enum-method |
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\ 2, 2constant and nalign should be somewhere else |
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: 2, ( w1 w2 -- ) |
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here 2 cells allot 2! ; |
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: 2constant ( w1 w2 -- ) |
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create 2, |
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does> ( -- w1 w2 ) |
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2@ ; |
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: nalign ( addr1 n -- addr2 ) |
: nalign ( addr1 n -- addr2 ) |
\ 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 -7 ( [ :dostruc ] Literal ) 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 36
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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 |
Line 61
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Line 52
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\ dfloats 1 dfloats ; |
\ dfloats 1 dfloats ; |
\ |
\ |
\ : sfloats: ( n -- size align ) |
\ : sfloats: ( n -- size align ) |
\ sfloats 1 sfloats ; |
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\ sfloats 1 sfloats ; |
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: struct-align ( size align -- ) |
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dp @ swap nalign dp ! |
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drop ; |
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: struct-allot ( size align -- addr ) |
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over swap struct-align |
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here swap allot ; |
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: struct-allocate ( size align -- addr ) |
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drop allocate ; |