Fix white spaces.

[pforth] / fth / case.fth

diff --git a/fth/case.fth b/fth/case.fth
index ab71641..830dc83 100644 (file)
--- a/fth/case.fth
+++ b/fth/case.fth
@@ -1,78 +1,78 @@
-\ @(#) case.fth 98/01/26 1.2\r
-\ CASE Statement\r
-\\r
-\ This definition is based upon Wil Baden's assertion that\r
-\ >MARK >RESOLVE ?BRANCH etc. are not needed if one has IF ELSE THEN etc.\r
-\\r
-\ Author: Phil Burk\r
-\ Copyright 1994 3DO, Phil Burk, Larry Polansky, Devid Rosenboom\r
-\\r
-\ The pForth software code is dedicated to the public domain,\r
-\ and any third party may reproduce, distribute and modify\r
-\ the pForth software code or any derivative works thereof\r
-\ without any compensation or license.  The pForth software\r
-\ code is provided on an "as is" basis without any warranty\r
-\ of any kind, including, without limitation, the implied\r
-\ warranties of merchantability and fitness for a particular\r
-\ purpose and their equivalents under the laws of any jurisdiction.\r
-\\r
-\ MOD: PLB 6/24/91 Check for missing ENDOF\r
-\ MOD: PLB 8/7/91 Add ?OF and RANGEOF\r
-\ MOD: PLB 11/2/99 Fixed nesting of CASE. Needed to save of-depth on stack as well as case-depth.\r
-\r
-anew TASK-CASE\r
-\r
-variable CASE-DEPTH\r
-variable OF-DEPTH\r
-\r
-: CASE  ( n -- , start case statement ) ( -c- case-depth )\r
-       ?comp\r
-       of-depth @   0 of-depth !   \ 11/2/99\r
-       case-depth @ 0 case-depth !  ( allow nesting )\r
-; IMMEDIATE\r
-\r
-: ?OF  ( n flag -- | n , doit if true ) ( -c- addr )\r
-       [compile] IF\r
-       compile drop\r
-       1 case-depth +!\r
-       1 of-depth +!\r
-; IMMEDIATE\r
-\r
-: OF  ( n t -- | n , doit if match ) ( -c- addr )\r
-       ?comp\r
-       compile over compile =\r
-       [compile] ?OF\r
-; IMMEDIATE\r
-\r
-: (RANGEOF?)  ( n lo hi -- | n  flag )\r
-       >r over ( n lo n ) <=\r
-       IF\r
-               dup r> ( n n hi ) <=\r
-       ELSE\r
-               rdrop false\r
-       THEN\r
-;\r
-\r
-: RANGEOF  ( n lo hi -- | n , doit if within ) ( -c- addr )\r
-       compile (rangeof?)\r
-       [compile] ?OF\r
-; IMMEDIATE\r
-\r
-: ENDOF  ( -- ) ( addr -c- addr' )\r
-       [compile] ELSE\r
-       -1 of-depth +!\r
-; IMMEDIATE\r
-\r
-: ENDCASE ( n -- )  ( old-case-depth addr' addr' ??? -- )\r
-       of-depth @\r
-       IF >newline ." Missing ENDOF in CASE!" cr abort\r
-       THEN\r
-\\r
-       compile drop\r
-       case-depth @ 0\r
-       ?DO [compile] THEN\r
-       LOOP\r
-       case-depth !\r
-       of-depth !\r
-; IMMEDIATE\r
-\r
+\ @(#) case.fth 98/01/26 1.2
+\ CASE Statement
+\
+\ This definition is based upon Wil Baden's assertion that
+\ >MARK >RESOLVE ?BRANCH etc. are not needed if one has IF ELSE THEN etc.
+\
+\ Author: Phil Burk
+\ Copyright 1994 3DO, Phil Burk, Larry Polansky, Devid Rosenboom
+\
+\ The pForth software code is dedicated to the public domain,
+\ and any third party may reproduce, distribute and modify
+\ the pForth software code or any derivative works thereof
+\ without any compensation or license.  The pForth software
+\ code is provided on an "as is" basis without any warranty
+\ of any kind, including, without limitation, the implied
+\ warranties of merchantability and fitness for a particular
+\ purpose and their equivalents under the laws of any jurisdiction.
+\
+\ MOD: PLB 6/24/91 Check for missing ENDOF
+\ MOD: PLB 8/7/91 Add ?OF and RANGEOF
+\ MOD: PLB 11/2/99 Fixed nesting of CASE. Needed to save of-depth on stack as well as case-depth.
+
+anew TASK-CASE
+
+variable CASE-DEPTH
+variable OF-DEPTH
+
+: CASE  ( n -- , start case statement ) ( -c- case-depth )
+    ?comp
+    of-depth @   0 of-depth !   \ 11/2/99
+    case-depth @ 0 case-depth !  ( allow nesting )
+; IMMEDIATE
+
+: ?OF  ( n flag -- | n , doit if true ) ( -c- addr )
+    [compile] IF
+    compile drop
+    1 case-depth +!
+    1 of-depth +!
+; IMMEDIATE
+
+: OF  ( n t -- | n , doit if match ) ( -c- addr )
+    ?comp
+    compile over compile =
+    [compile] ?OF
+; IMMEDIATE
+
+: (RANGEOF?)  ( n lo hi -- | n  flag )
+    >r over ( n lo n ) <=
+    IF
+        dup r> ( n n hi ) <=
+    ELSE
+        rdrop false
+    THEN
+;
+
+: RANGEOF  ( n lo hi -- | n , doit if within ) ( -c- addr )
+    compile (rangeof?)
+    [compile] ?OF
+; IMMEDIATE
+
+: ENDOF  ( -- ) ( addr -c- addr' )
+    [compile] ELSE
+    -1 of-depth +!
+; IMMEDIATE
+
+: ENDCASE ( n -- )  ( old-case-depth addr' addr' ??? -- )
+    of-depth @
+    IF >newline ." Missing ENDOF in CASE!" cr abort
+    THEN
+\
+    compile drop
+    case-depth @ 0
+    ?DO [compile] THEN
+    LOOP
+    case-depth !
+    of-depth !
+; IMMEDIATE
+