--- gforth/debug.fs 1999/12/03 18:28:58 1.14 +++ gforth/debug.fs 2000/05/12 07:55:41 1.15 @@ -22,7 +22,18 @@ decimal VARIABLE dbg-ip \ instruction pointer for debugger +\ !! move to see? + +: save-see-flags ( -- n* cnt ) + C-Output @ + C-Formated @ 1 ; + +: restore-see-flags ( n* cnt -- ) + drop C-Formated ! + C-Output ! ; + : scanword ( body -- ) + >r save-see-flags r> c-init C-Output off ScanMode c-pass ! dup MakePass @@ -30,7 +41,7 @@ VARIABLE dbg-ip \ instruction pointe 0 XPos ! DisplayMode c-pass ! MakePass - C-Output on ; + restore-see-flags ; : .n 0 <# # # # # #S #> ctype bl cemit ; @@ -42,15 +53,20 @@ VARIABLE dbg-ip \ instruction pointe C-Formated off ; -: disp-step +: Leave-D ; + +: disp-step ( -- ) +\ display step at current dbg-ip DisplayMode c-pass ! \ change to displaymode cr c-stop off Base @ hex dbg-ip @ 8 u.r space dbg-ip @ @ 8 u.r space Base ! + save-see-flags NoFine 10 XPos ! dbg-ip @ DisplayMode c-pass ! Analyse drop - 25 XPos @ - 0 max spaces ." -> " ; + 25 XPos @ - 0 max spaces ." -> " + restore-see-flags ; : get-next ( -- n | n n ) DebugMode c-pass ! @@ -94,10 +110,6 @@ VARIABLE Body VARIABLE Nesting -: Leave-D - C-Formated on - C-Output on ; - VARIABLE Unnest : D-KEY ( -- flag ) @@ -120,11 +132,11 @@ VARIABLE Unnest ENDCASE AGAIN ; -: (debug) ( body -- ) +: (_debug) ( body ip -- ) 0 Nesting ! BEGIN Unnest off cr ." Scanning code..." cr C-Formated on - dup scanword dbg-ip ! + swap scanword dbg-ip ! cr ." Nesting debugger ready!" cr BEGIN d.s disp-step D-Key WHILE C-Stop @ 0= @@ -138,21 +150,29 @@ VARIABLE Unnest ELSE dbg-ip @ 1 cells + >r 1 Nesting +! THEN + dup AGAIN ; +: (debug) dup (_debug) ; + : dbg ( "name" -- ) \ gforth ' NestXT IF EXIT THEN (debug) Leave-D ; -has? compiler invert [IF] \ nac bugfix +: break:, ( -- ) + lastxt postpone literal ; + +: (break:) + r> ['] (_debug) >body >r ; + : break: ( -- ) \ gforth - r> ['] (debug) >body >r ; + break:, postpone (break:) ; immediate : (break") cr ." BREAK AT: " type cr - r> ['] (debug) >body >r ; + r> ['] (_debug) >body >r ; : break" ( 'ccc"' -- ) \ gforth + break:, postpone s" postpone (break") ; immediate -[THEN]