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Fix assignment sub-expressions.

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This commit is contained in:
Bill Currie 2011-02-07 14:43:07 +09:00
parent 6fa5bbe473
commit d2b464053c
1 changed files with 10 additions and 2 deletions
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12
tools/qfcc/source/statements.c
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@ -274,7 +274,7 @@ statement_branch (sblock_t *sblock, expr_t *e)
}
static sblock_t *
statement_assign (sblock_t *sblock, expr_t *e)
expr_assign (sblock_t *sblock, expr_t *e, operand_t **op)
{
statement_t *s;
expr_t *src_expr = e->e.expr.e2;
@ -288,6 +288,8 @@ statement_assign (sblock_t *sblock, expr_t *e)
sblock = statement_subexpr (sblock, dst_expr, &dst);
sblock = statement_subexpr (sblock, src_expr, &src);
ofs = 0;
if (op)
*op = dst;
} else {
//FIXME this sucks. find a better way to handle both pointer
//dereferences and pointer assignements
@ -306,6 +308,8 @@ statement_assign (sblock_t *sblock, expr_t *e)
sblock = statement_subexpr (sblock, dst_expr, &dst);
ofs = 0;
}
if (op)
*op = src;
}
s = new_statement (opcode);
s->opa = src;
@ -446,6 +450,10 @@ expr_expr (sblock_t *sblock, expr_t *e, operand_t **op)
case 'c':
sblock = expr_call (sblock, e, op);
break;
case '=':
case PAS:
sblock = expr_assign (sblock, e, op);
break;
default:
opcode = convert_op (e->e.expr.op);
if (!opcode)
@ -731,7 +739,7 @@ statement_expr (sblock_t *sblock, expr_t *e)
break;
case '=':
case PAS:
sblock = statement_assign (sblock, e);
sblock = expr_assign (sblock, e, 0);
break;
default:
if (e->e.expr.op < 256)