Annotation of gforth/simp-see.fs, revision 1.6

1.1       anton       1: \ simple-minded see (good for seeing what the compiler produces)
                      2: 
1.6     ! anton       3: \ Copyright (C) 2001,2003,2007 Free Software Foundation, Inc.
1.1       anton       4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
                      9: \ as published by the Free Software Foundation; either version 2
                     10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
                     18: \ along with this program; if not, write to the Free Software
                     19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
                     20: 
                     21: require see.fs
                     22: 
1.5       anton      23: : simple-see-word { addr -- }
                     24:     xpos off addr hex. addr cell+ addr @ .word drop ;
                     25: 
1.3       anton      26: : simple-see-range ( addr1 addr2 -- ) \ gforth
1.1       anton      27:     swap u+do
1.5       anton      28:        cr i simple-see-word
                     29:     cell +loop ;
1.1       anton      30: 
1.3       anton      31: : simple-see ( "name" -- ) \ gforth
                     32:     \G a simple decompiler that's closer to @code{dump} than @code{see}.
1.1       anton      33:     \ !! at the moment NEXT-HEAD is a little too optimistic (see
                     34:     \ comment in HEAD?)
                     35:     ' >body dup next-head simple-see-range ;
                     36: 
1.5       anton      37: : see-code-next-inline { addr1 addr2 -- addr3 }
                     38:     \ decompile starting at addr1 until an inlined primitive is found,
                     39:     \ or addr2 is reached; addr3 is addr2 or the next inlined
                     40:     \ primitive
                     41:     addr1 begin { addr }
                     42:         addr addr2 u< while
                     43:             addr @ dup decompile-prim = while
                     44:                 addr cr simple-see-word
                     45:                 addr cell+
                     46:         repeat then
                     47:     addr ;
                     48: 
                     49: : see-code-range { addr1 addr2 -- } \ gforth
                     50:     cr addr1 begin { a }
                     51:         a simple-see-word
                     52:         a cell+ addr2 see-code-next-inline { b }
                     53:         b addr2 u< while
                     54:             a @ b @ over - discode
                     55:             b
                     56:     repeat ;
                     57: 
                     58: : see-code ( "name" -- ) \ gforth
                     59: \G like @code{simple-see}, but also shows the dynamic native code for
                     60: \G the inlined primitives (except for the last).
                     61:     ' >body dup next-head see-code-range ;
                     62:     

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