Powered by ViewCVS 1.0-dev
| 1 : | anton | 1.1 | \ TOOLSEXT.FS [IF] [ELSE] [THEN] and more 20may93jaw |
| 2 : | |||
| 3 : | \ This here is fully ans compatible | ||
| 4 : | \ May be cross-compiled | ||
| 5 : | |||
| 6 : | \ ( \ added 09jun93jaw | ||
| 7 : | |||
| 8 : | \ very close to dpANS5 | ||
| 9 : | |||
| 10 : | decimal | ||
| 11 : | |||
| 12 : | CREATE Opennest 7 chars allot | ||
| 13 : | CREATE Closenest 7 chars allot | ||
| 14 : | |||
| 15 : | : SKIPNEST | ||
| 16 : | 1 BEGIN | ||
| 17 : | BEGIN name count dup WHILE | ||
| 18 : | 2dup Opennest count compare 0= | ||
| 19 : | IF 2drop 1+ | ||
| 20 : | ELSE Closenest count compare 0= IF 1- THEN | ||
| 21 : | THEN | ||
| 22 : | anton | 1.2 | ?dup 0= IF EXIT THEN |
| 23 : | anton | 1.1 | REPEAT |
| 24 : | 2drop refill 0= | ||
| 25 : | UNTIL drop ; | ||
| 26 : | |||
| 27 : | \ : ( s" (" Opennest place | ||
| 28 : | \ s" )" Closenest place | ||
| 29 : | \ SKIPNEST ; immediate | ||
| 30 : | |||
| 31 : | : comment? ( c-addr u -- c-addr u ) | ||
| 32 : | 2dup s" (" compare 0= | ||
| 33 : | IF postpone ( | ||
| 34 : | ELSE 2dup s" \" compare 0= IF postpone \ THEN | ||
| 35 : | THEN ; | ||
| 36 : | |||
| 37 : | : [ELSE] | ||
| 38 : | 1 BEGIN | ||
| 39 : | BEGIN name count dup WHILE | ||
| 40 : | comment? | ||
| 41 : | 2dup s" [IF]" compare 0= | ||
| 42 : | IF 2drop 1+ | ||
| 43 : | ELSE 2dup s" [ELSE]" compare 0= | ||
| 44 : | IF 2drop 1- dup IF 1+ THEN | ||
| 45 : | ELSE s" [THEN]" compare 0= IF 1- THEN | ||
| 46 : | THEN | ||
| 47 : | THEN | ||
| 48 : | anton | 1.2 | ?dup 0= IF EXIT THEN |
| 49 : | anton | 1.1 | REPEAT |
| 50 : | 2drop refill 0= | ||
| 51 : | UNTIL drop ; immediate | ||
| 52 : | |||
| 53 : | : [THEN] ( -- ) ; immediate | ||
| 54 : | |||
| 55 : | : [IF] ( flag -- ) | ||
| 56 : | 0= IF postpone [ELSE] THEN ; immediate | ||
| 57 : | |||
| 58 : | \ [IFUNDEF] [IFDEF] 9may93jaw | ||
| 59 : | |||
| 60 : | : [IFUNDEF] | ||
| 61 : | name find nip 0= postpone [IF] ; immediate | ||
| 62 : | : [IFDEF] | ||
| 63 : | name find nip 0<> postpone [IF] ; immediate | ||
| 64 : | |||
| 65 : | |||
| 66 : | \ [IF]? 9jun93jaw | ||
| 67 : | |||
| 68 : | \ same as comment? but skips [IF] .... [THEN] | ||
| 69 : | |||
| 70 : | : [if]? ( c-addr u -- c-addr u ) | ||
| 71 : | 2dup s" [IF]" compare 0= >r | ||
| 72 : | 2dup s" [ELSE]" compare 0= >r | ||
| 73 : | 2dup s" [IFUNDEF]" compare 0= >r | ||
| 74 : | 2dup s" [IFDEF]" compare 0= r> or r> or r> or | ||
| 75 : | IF s" [IF]" Opennest place | ||
| 76 : | s" [THEN]" Closenest place | ||
| 77 : | SKIPNEST THEN ; | ||
| 78 : |
|
CVS Admin Powered by ViewCVS 1.0-dev |
ViewCVS and CVS Help |