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Force compile of [ELSE] inside of [IF]

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This commit is contained in:
Dave Schmenk 2024-02-11 16:10:09 -08:00
parent 29498dc6e7
commit a818dec4aa
2 changed files with 33 additions and 41 deletions
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29
src/scripts/hdinstall.4th
View File

@ -5,29 +5,7 @@ SRC" conio.4th"
DEFER [ELSE] ( SKIP UNTIL [THEN] IF EXECUTED )
: [IF] ( F -- )
NOT IF ( SKIP CODE IN BETWEEN [ELSE] OR [THEN] )
1 >R
BEGIN
BL WORD FIND IF
CASE
' [ELSE] OF
R@ 1 = IF ( RESUME EXECUTING AT MATCHING [ELSE] )
R> DROP DROP EXIT
THEN
ENDOF
' [THEN] OF
R> 1- ?DUP 0= IF ( EXIT AT FINAL [THEN] )
DROP EXIT
THEN
>R
ENDOF
[ LATEST ] LITERAL OF ( CHECK FOR NESTED [IF] )
R> 1+ >R
ENDOF
ENDCASE
ELSE
DROP
THEN
AGAIN
[COMPILE] [ELSE]
THEN
; IMMEDIATE
:NONAME ( [ELSE] )
@ -35,6 +13,11 @@ DEFER [ELSE] ( SKIP UNTIL [THEN] IF EXECUTED )
BEGIN
BL WORD FIND IF
CASE
' [ELSE] OF
R@ 1 = IF ( RESUME EXECUTING AT MATCHING [ELSE] )
R> DROP DROP EXIT
THEN
ENDOF
' [THEN] OF
R> 1- ?DUP 0= IF ( EXIT AT FINAL [THEN] )
DROP EXIT

45
src/scripts/hdinstall2.4th
View File

@ -2,28 +2,37 @@ SRC" plasma.4th"
SRC" conio.4th"
: [THEN] ; IMMEDIATE ( PLACE HOLDER TO RESUME EXECUTION )
DEFER [ELSE] ( SKIP UNTIL [THEN] IF EXECUTED )
: [IF] ( F -- )
NOT IF ( SKIP CODE IN BETWEEN [ELSE] OR [THEN] )
1 >R
BEGIN
BL WORD FIND IF
CASE
' [THEN] OF
R> 1- ?DUP 0= IF ( EXIT AT FINAL [THEN] )
DROP EXIT
THEN
>R
ENDOF
[ LATEST ] LITERAL OF ( CHECK FOR NESTED [IF] )
R> 1+ >R
ENDOF
ENDCASE
ELSE
DROP
THEN
AGAIN
[COMPILE] [ELSE]
THEN
; IMMEDIATE
:NONAME ( [ELSE] )
1 >R
BEGIN
BL WORD FIND IF
CASE
' [ELSE] OF
R@ 1 = IF ( RESUME EXECUTING AT MATCHING [ELSE] )
R> DROP DROP EXIT
THEN
ENDOF
' [THEN] OF
R> 1- ?DUP 0= IF ( EXIT AT FINAL [THEN] )
DROP EXIT
THEN
>R
ENDOF
' [IF] OF ( CHECK FOR NESTED [IF] )
R> 1+ >R
ENDOF
ENDCASE
ELSE
DROP
THEN
AGAIN
; IMMEDIATE IS [ELSE]
: STRING CREATE 256 ALLOT DOES> ; ( JUST ALLOCATE THE BIGGEST STRING POSSIBLE )
: CONFIRM" ( -- F )