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optimize unit tester to use clear as EMPTY-STACK

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mgcaret 2019-12-27 11:05:26 -08:00
parent 513aefa0c4
commit 3bfba53afb
1 changed files with 7 additions and 2 deletions
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9
fcode-modules/tester.fs
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@ -31,8 +31,11 @@ VARIABLE VERBOSE
FALSE VERBOSE !
\ TRUE VERBOSE !
: EMPTY-STACK \ ( ... -- ) EMPTY STACK: HANDLES UNDERFLOWED STACK TOO.
DEPTH ?DUP IF DUP 0< IF NEGATE 0 DO 0 LOOP ELSE 0 DO DROP LOOP THEN THEN ;
\ : EMPTY-STACK \ ( ... -- ) EMPTY STACK: HANDLES UNDERFLOWED STACK TOO.
\ DEPTH ?DUP IF DUP 0< IF NEGATE 0 DO 0 LOOP ELSE 0 DO DROP LOOP THEN THEN ;
\ THE IEEE-1275 CLEAR word works the same but the standard does not define
\ an FCode for it...
defer EMPTY-STACK s" ' clear" eval to EMPTY-STACK
VARIABLE #ERRORS 0 #ERRORS !
@ -50,6 +53,8 @@ CREATE ACTUAL-RESULTS 20 CELLS ALLOT
: T{ \ ( -- ) SYNTACTIC SUGAR.
;
\ FCode tokenizer will issue a warning for this
\ it can be ignored
: -> \ ( ... -- ) RECORD DEPTH AND CONTENT OF STACK.
DEPTH DUP ACTUAL-DEPTH ! \ RECORD DEPTH
?DUP IF \ IF THERE IS SOMETHING ON STACK