--- gforth/prims2x.fs 1994/07/21 10:52:49 1.5 +++ gforth/prims2x.fs 1994/11/17 15:53:19 1.11 @@ -21,7 +21,8 @@ warnings off -[IFUNDEF] vocabulary include search-order.fs [THEN] +[IFUNDEF] vocabulary include search-order.fs [THEN] +[IFUNDEF] environment? include environ.fs [THEN] include gray.fs 100 constant max-effect \ number of things on one side of a stack effect @@ -37,7 +38,7 @@ maxchar 1+ constant eof-char begin ( c-addr file-id ) 2dup batch-size swap read-file if - abort" I/O error" + true abort" I/O error" endif ( c-addr file-id actual-size ) rot over + -rot batch-size <> @@ -89,7 +90,7 @@ variable effect-out-end ( pointer ) 2variable effect-in-size 2variable effect-out-size -variable primitive-number -8 primitive-number ! +variable primitive-number -9 primitive-number ! \ for several reasons stack items of a word are stored in a wordlist \ since neither forget nor marker are implemented yet, we make a new @@ -241,22 +242,25 @@ constant type-description : fetch-single ( item -- ) >r - r@ item-name 2@ type ." = (" + r@ item-name 2@ type + ." = (" r@ item-type @ type-c-name 2@ type ." ) " r@ item-d-offset @ effect-in-size 2@ data-stack-access ." ;" cr rdrop ; : fetch-double ( item -- ) >r - ." {Double_Store _d; _d.cells.low = " + r@ item-name 2@ type + ." = ({Double_Store _d; _d.cells.low = " r@ item-d-offset @ dup effect-in-size 2@ data-stack-access - ." ; _d.cells.high = " 1+ effect-in-size 2@ data-stack-access ." ; " - r@ item-name 2@ type ." = _d.dcell;}" cr + ." ; _d.cells.high = " 1+ effect-in-size 2@ data-stack-access + ." ; _d.dcell;});" cr rdrop ; : fetch-float ( item -- ) >r - r@ item-name 2@ type ." = " + r@ item-name 2@ type + ." = " \ ." (" r@ item-type @ type-c-name 2@ type ." ) " r@ item-f-offset @ effect-in-size 2@ fp-stack-access ." ;" cr rdrop ; @@ -265,9 +269,7 @@ constant type-description \ f is true iff the offset of item is the same as on input >r r@ item-name 2@ items @ search-wordlist 0= - if - ." bug" cr abort - endif + abort" bug" execute @ dup r@ = if \ item first appeared in output @@ -313,9 +315,7 @@ constant type-description \ f is true iff the offset of item is the same as on input >r r@ item-name 2@ items @ search-wordlist 0= - if - ." bug" cr abort - endif + abort" bug" execute @ dup r@ = if \ item first appeared in output @@ -348,13 +348,13 @@ constant type-description endif rdrop ; -: single-type ( -- xt n1 n2 ) +: single-type ( -- xt1 xt2 n1 n2 ) ['] fetch-single ['] store-single 1 0 ; -: double-type ( -- xt n1 n2 ) +: double-type ( -- xt1 xt2 n1 n2 ) ['] fetch-double ['] store-double 2 0 ; -: float-type ( -- xt n1 n2 ) +: float-type ( -- xt1 xt2 n1 n2 ) ['] fetch-float ['] store-float 0 1 ; : s, ( addr u -- ) @@ -407,7 +407,7 @@ set-current endif -1 s+loop \ we did not find a type, abort - ." unknown type prefix" cr ABORT ; + true abort" unknown type prefix" ; : declare ( addr "name" -- ) \ remember that there is a stack item at addr called name @@ -429,6 +429,9 @@ set-current i declaration item-descr +loop ; +: fetch ( addr -- ) + dup item-type @ type-fetch-handler execute ; + : declarations ( -- ) wordlist dup items ! set-current effect-in effect-in-end @ declaration-list @@ -480,16 +483,13 @@ set-current ." IF_TOS(TOS = sp[0]);" cr endif ; -: fetch ( addr -- ) - dup item-type @ type-fetch-handler execute ; - : fetches ( -- ) effect-in-end @ effect-in ?do i fetch item-descr +loop ; : stack-pointer-updates ( -- ) -\ we do not check if an update is a noop; gcc does this for us +\ we need not check if an update is a noop; gcc does this for us effect-in-size 2@ effect-out-size 2@ rot swap - ( d-in d-out f-diff ) @@ -507,6 +507,11 @@ set-current i store item-descr +loop ; +: .stack-list ( start end -- ) + swap ?do + i item-name 2@ type space + item-descr +loop ; + : output-c ( -- ) ." I_" c-name 2@ type ." : /* " forth-name 2@ type ." ( " stack-string 2@ type ." ) */" cr ." /* " doc 2@ type ." */" cr @@ -524,7 +529,7 @@ set-current ." NEXT_P1;" cr stores fill-tos - ." NEXT1_P2;" cr + ." NEXT_P2;" cr ." }" cr cr ; @@ -536,11 +541,30 @@ set-current primitive-number @ . ." alias " forth-name 2@ type cr -1 primitive-number +! ; +: output-forth ( -- ) + forth-code @ 0= + IF output-alias + ELSE ." : " forth-name 2@ type ." ( " + effect-in effect-in-end @ .stack-list ." -- " + effect-out effect-out-end @ .stack-list ." )" cr + forth-code 2@ type cr + -1 primitive-number +! + THEN ; + +[IFDEF] documentation +: register-doc ( -- ) + get-current documentation set-current + forth-name 2@ nextname create + forth-name 2@ 2, + stack-string 2@ 2, + wordset 2@ 2, + c-name 2@ 2, + doc 2@ 2, + set-current ; +[THEN] + : process-file ( addr u xt -- ) - >r r/o open-file - if - ." cannot open file" cr abort - endif + >r r/o open-file abort" cannot open file" warnings @ if ." ------------ CUT HERE -------------" cr endif r> primfilter ;