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comparison lwasm/pass3.c @ 365:6a98cc90c14f

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Added resolve passes
author lost@starbug
date Wed, 14 Apr 2010 20:49:04 -0600
parents 0b5a26bedbe1
children
comparison
equal deleted inserted replaced
364:0b5a26bedbe1 365:6a98cc90c14f
37 until nothing more reduces 37 until nothing more reduces
38 38
39 */ 39 */
40 void do_pass3(asmstate_t *as) 40 void do_pass3(asmstate_t *as)
41 { 41 {
42 int rc;
43 line_t *cl;
44 struct line_expr_s *le;
45
46 do
47 {
48 rc = 0;
49 for (cl = as -> line_head; cl; cl = cl -> next)
50 {
51 as -> cl = cl;
52
53 // simplify address
54 lwasm_reduce_expr(as, cl -> addr);
55
56 // simplify each expression
57 for (le = cl -> exprs; le; le = le -> next)
58 lwasm_reduce_expr(as, le -> expr);
59
60 if (cl -> len == -1)
61 {
62 // try resolving the instruction length
63 // but don't force resolution
64 if (cl -> insn >= 0 && instab[cl -> insn].resolve)
65 {
66 (instab[cl -> insn].resolve)(as, cl, 0);
67 if (cl -> len != -1)
68 rc++;
69 }
70 }
71 }
72 if (as -> errorcount > 0)
73 return;
74 } while (rc > 0);
42 } 75 }