comparison lwasm/pass6.c @ 367:34dfc9747f23

Reduction passes complete
author lost@starbug
date Thu, 15 Apr 2010 21:56:06 -0600
parents
children 898a41f7eb59
comparison
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366:84dc6d2ec6ba 367:34dfc9747f23
1 /*
2 pass6.c
3
4 Copyright © 2010 William Astle
5
6 This file is part of LWTOOLS.
7
8 LWTOOLS is free software: you can redistribute it and/or modify it under the
9 terms of the GNU General Public License as published by the Free Software
10 Foundation, either version 3 of the License, or (at your option) any later
11 version.
12
13 This program is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 more details.
17
18 You should have received a copy of the GNU General Public License along with
19 this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include <config.h>
23
24 #include <stdio.h>
25 #include <string.h>
26
27 #include <lw_alloc.h>
28 #include <lw_string.h>
29
30 #include "lwasm.h"
31 #include "instab.h"
32
33 /*
34 Finalize Pass
35
36 Reduce all expressions in a final pass.
37
38 Observation:
39
40 Everything should reduce as far as it is going to in a single pass
41 because all line addresses are now constant (or section-base offset)
42
43 */
44 void do_pass6(asmstate_t *as)
45 {
46 line_t *cl;
47 struct line_expr_s *le;
48
49 for (cl = as -> line_head; cl; cl = cl -> next)
50 {
51 as -> cl = cl;
52 for (le = cl -> exprs; le; le = le -> next)
53 {
54 lwasm_reduce_expr(as, le -> expr);
55 }
56 }
57 }