--- gforth/kernel/vars.fs 2007/12/31 18:40:26 1.47 +++ gforth/kernel/vars.fs 2012/05/26 10:20:01 1.53 @@ -1,6 +1,6 @@ \ VARS.FS Kernal variables -\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2011 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -45,23 +45,16 @@ has? floating [IF] \G @i{c-char} is the character value for a space. \ used by docon:, must be constant -has? EC [IF] 40 [ELSE] FF [THEN] Constant /line +has? EC [IF] 20 cells [ELSE] FF [THEN] Constant /line has? file [IF] -40 Constant c/l -10 Constant l/s -400 Constant chars/block +40 Value c/l +10 Value l/s +400 Value chars/block [THEN] 20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u ) -has? EC 0= [IF] -create holdbuf word-pno-size chars allot -holdbuf word-pno-size chars + aconstant holdbuf-end -avariable holdptr holdbuf-end holdptr a! -avariable holdend holdbuf-end holdend a! -[THEN] - 84 constant pad-minsize ( -- u ) $400 Value def#tib @@ -111,6 +104,8 @@ AUser lp0 ( -- a-addr ) \ gforth \G OBSOLETE alias of @code{lp0} [THEN] +AUser throw-entry \ pointer to task-specific signal handler + AUser handler \ pointer to last throw frame has? backtrace [IF] AUser backtrace-rp0 \ rp at last call of interpret @@ -122,6 +117,16 @@ AUser errorhandler AUser "error 0 "error ! +has? EC 0= [IF] + auser holdbufptr + here word-pno-size chars allot dup holdbufptr ! + word-pno-size chars + + : holdbuf ( -- addr ) holdbufptr @ ; + : holdbuf-end holdbuf word-pno-size chars + ; + auser holdptr dup holdptr a! + auser holdend holdend a! +[THEN] + has? new-input [IF] User current-input [ELSE] @@ -179,6 +184,16 @@ User dpl ( -- a-addr ) \ gforth \G 0. After the conversion of 234123.9 it contains 1, and so forth. -1 dpl ! +User dp-char ( -- a-addr ) \ VFX +\G @code{User} variable -- @i{a-addr} is the address of a cell that stores the +\G decimal point character for double number conversion +'.' dp-char ! + +User fp-char ( -- a-addr ) \ VFX +\G @code{User} variable -- @i{a-addr} is the address of a cell that stores the +\G decimal point character for floating point number conversion +'.' fp-char ! + User state ( -- a-addr ) \ core,tools-ext \G @code{User} variable -- @i{a-addr} is the address of a cell \G containing the compilation state flag. 0 => interpreting, -1 => @@ -199,7 +214,9 @@ AUser dpp normal-dp dpp ! \ the pointer to the current dictionary pointer \ ist reset to normal-dp on (doerror) \ (i.e. any throw caught by quit) -AUser LastCFA +has? ec [IF] + AUser LastCFA +[THEN] AUser Last has? flash [IF]