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| 1 : | anton | 1.1 | \ argument expansion |
| 2 : | |||
| 3 : | \ Copyright (C) 1995-1997 Free Software Foundation, Inc. | ||
| 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., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 20 : | |||
| 21 : | : cstring>sstring ( cstring -- addr n ) \ gforth cstring-to-sstring | ||
| 22 : | -1 0 scan 0 swap 1+ /string ; | ||
| 23 : | : arg ( n -- addr count ) \ gforth | ||
| 24 : | \g returns the string for the @var{n}th command-line argument. | ||
| 25 : | cells argv @ + @ cstring>sstring ; | ||
| 26 : | : #! ( -- ) \ gforth hash-bang | ||
| 27 : | \g an alias for @code{\} | ||
| 28 : | postpone \ ; immediate | ||
| 29 : | |||
| 30 : | Create pathstring 2 cells allot \ string | ||
| 31 : | Create pathdirs 2 cells allot \ dir string array, pointer and count | ||
| 32 : | Variable argv ( -- addr ) \ gforth | ||
| 33 : | \g contains a pointer to a vector of pointers to the command-line | ||
| 34 : | \g arguments (including the command-name). Each argument is | ||
| 35 : | \g represented as a C-style string. | ||
| 36 : | Variable argc ( -- addr ) \ gforth | ||
| 37 : | \g contains the number of command-line arguments (including the command name) | ||
| 38 : | |||
| 39 : | 0 Value script? ( -- flag ) | ||
| 40 : | |||
| 41 : | : do-option ( addr1 len1 addr2 len2 -- n ) | ||
| 42 : | 2swap | ||
| 43 : | 2dup s" -e" compare 0= >r | ||
| 44 : | 2dup s" --evaluate" compare 0= r> or | ||
| 45 : | pazsan | 1.3 | IF 2drop dup >r evaluate |
| 46 : | anton | 1.1 | r> >tib +! 2 EXIT THEN |
| 47 : | pazsan | 1.3 | 2dup s" -h" compare 0= >r |
| 48 : | 2dup s" --help" compare 0= r> or | ||
| 49 : | IF ." Image Options:" cr | ||
| 50 : | ." FILE load FILE (with `require')" cr | ||
| 51 : | ." -e STRING, --evaluate STRING interpret STRING (with `EVALUATE')" cr | ||
| 52 : | ." Report bugs to <bug-gforth@gnu.ai.mit.edu>" cr | ||
| 53 : | bye | ||
| 54 : | THEN | ||
| 55 : | anton | 1.1 | ." Unknown option: " type cr 2drop 1 ; |
| 56 : | |||
| 57 : | jwilke | 1.2 | : (process-args) ( -- ) |
| 58 : | anton | 1.1 | true to script? |
| 59 : | pazsan | 1.3 | >tib @ >r #tib @ >r >in @ >r |
| 60 : | anton | 1.1 | argc @ 1 |
| 61 : | ?DO | ||
| 62 : | I arg over c@ [char] - <> | ||
| 63 : | IF | ||
| 64 : | pazsan | 1.3 | 2dup dup #tib ! >in ! >tib ! |
| 65 : | anton | 1.1 | required 1 |
| 66 : | ELSE | ||
| 67 : | I 1+ argc @ = IF s" " ELSE I 1+ arg THEN | ||
| 68 : | do-option | ||
| 69 : | THEN | ||
| 70 : | +LOOP | ||
| 71 : | pazsan | 1.3 | r> >in ! r> #tib ! r> >tib ! |
| 72 : | anton | 1.1 | false to script? |
| 73 : | ; | ||
| 74 : | |||
| 75 : | jwilke | 1.2 | ' (process-args) IS process-args |
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