gforth/smartdots.fs - diff

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version 1.6, 2012/03/27 23:02:01	version 1.8, 2012/03/27 23:17:52
Line 21	Line 21

: addr? ( addr -- flag )	: addr? ( addr -- flag )
TRY c@ IFERROR 2drop false nothrow ELSE drop true THEN ENDTRY ;	TRY c@ IFERROR 2drop false nothrow ELSE drop true THEN ENDTRY ;
	: .var? ( addr -- flag )
	TRY body> @ dovar: <> throw IFERROR 2drop false nothrow
	ELSE true THEN ENDTRY ;

: string? ( addr u -- flag )	: string? ( addr u -- flag )
TRY dup #80 u> throw bounds ?DO I c@ bl < IF -1 throw THEN LOOP	TRY dup #80 u> throw bounds ?DO I c@ bl < IF -1 throw THEN LOOP
Line 28	Line 31

: .string. ( addr u -- )	: .string. ( addr u -- )
.\" s\" " type '"' emit space ;	.\" s\" " type '"' emit space ;
: .addr. ( addr -- ) hex. ;	: .addr. ( addr -- )
	dup >name dup IF ." ' " .name drop ELSE drop hex. THEN ;
	: .var. ( addr -- )
	dup body> >name dup IF .name drop ELSE drop hex. THEN ;

Variable smart.s-skip	Variable smart.s-skip

: smart.s. ( n -- )	: smart.s. ( n -- )
smart.s-skip @ smart.s-skip off IF drop EXIT THEN	smart.s-skip @ smart.s-skip off IF drop EXIT THEN
over r> i swap >r -	over r> i swap >r - \ we access the .s loop counter
dup 1 = IF false ELSE pick 2dup string? THEN IF	dup 1 = IF false ELSE pick 2dup string? THEN IF
.string. smart.s-skip on	.string. smart.s-skip on
ELSE drop dup addr? IF .addr.	ELSE drop dup addr? IF dup .var? IF .var. ELSE .addr. THEN
ELSE . THEN	ELSE . THEN
THEN ;	THEN ;