--- gforth/stuff.fs 2009/11/28 21:19:34 1.63 +++ gforth/stuff.fs 2011/12/31 15:29:25 1.70 @@ -1,6 +1,6 @@ \ miscelleneous words -\ Copyright (C) 1996,1997,1998,2000,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc. +\ Copyright (C) 1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -136,6 +136,12 @@ AUser CSP \ ]] ... [[ +: [[ ( -- ) \ gforth left-bracket-bracket +\G switch from postpone state to compile state + \ this is only a marker; it is never really interpreted + compile-only-error ; immediate + +[ifdef] compiler1 : compile-literal ( n -- ) postpone literal ; @@ -148,12 +154,6 @@ AUser CSP : compile-compile-2literal ( n1 n2 -- ) compile-2literal postpone compile-2literal ; -: [[ ( -- ) \ gforth left-bracket-bracket -\G switch from postpone state to compile state - \ this is only a marker; it is never really interpreted - compile-only-error ; immediate - -[ifdef] compiler1 : postponer1 ( c-addr u -- ... xt ) 2dup find-name [ifdef] run-prelude run-prelude [then] @@ -181,11 +181,23 @@ AUser CSP : ]] ( -- ) \ gforth right-bracket-bracket \G switch into postpone state ['] postponer1 is parser1 state on ; immediate restrict +[then] + +[ifdef] compiler-r +: postponer-r ( addr u -- ... xt ) + forth-recognizer do-recognizer + over [ s" [[" find-name ] Literal = + IF 2drop [comp'] ] drop ELSE ['] >postpone THEN ; -: postpone-literal postpone literal ; -: postpone-2literal postpone 2literal ; -: postpone-fliteral postpone fliteral ; -: postpone-sliteral postpone sliteral ; +: ]] ( -- ) \ gforth right-bracket-bracket + \G switch into postpone state + ['] postponer-r is parser1 state on ; immediate restrict +[then] + +comp' literal drop alias postpone-literal +comp' 2literal drop alias postpone-2literal +comp' fliteral drop alias postpone-fliteral +comp' sliteral drop alias postpone-sliteral : ]]L ( postponing: x -- ; compiling: -- x ) \ gforth right-bracket-bracket-l \G Shortcut for @code{]] literal}. @@ -204,8 +216,6 @@ AUser CSP \G allocated permanently, you can use @code{]]2L} instead. ]] postpone-sliteral ]] [[ ; immediate -[then] - \ f.rdp : push-right ( c-addr u1 u2 cfill -- ) @@ -423,3 +433,33 @@ previous source-id dup 0> IF >r r@ file-size throw r> reposition-file throw BEGIN refill 0= UNTIL postpone \ THEN ; immediate + +\ WORD SWORD + +: sword ( char -- addr len ) \ gforth-obsolete s-word +\G Parses like @code{word}, but the output is like @code{parse} output. +\G @xref{core-idef}. + \ this word was called PARSE-WORD until 0.3.0, but Open Firmware and + \ dpANS6 A.6.2.2008 have a word with that name that behaves + \ differently (like NAME). + source 2dup >r >r >in @ over min /string + rot dup bl = IF + drop (parse-white) + ELSE + (word) + THEN +[ has? new-input [IF] ] + 2dup input-lexeme! +[ [THEN] ] + 2dup + r> - 1+ r> min >in ! ; + +: word ( char "ccc-- c-addr ) \ core + \G Skip leading delimiters. Parse @i{ccc}, delimited by + \G @i{char}, in the parse area. @i{c-addr} is the address of a + \G transient region containing the parsed string in + \G counted-string format. If the parse area was empty or + \G contained no characters other than delimiters, the resulting + \G string has zero length. A program may replace characters within + \G the counted string. OBSOLESCENT: the counted string has a + \G trailing space that is not included in its length. + sword here place bl here count + c! here ;