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emit.c:

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fix a missing else (should convert to switch)
expr.c:
	fix address_expr for binary expressions
	fix unary .
This commit is contained in:
Bill Currie 2001-12-12 18:34:41 +00:00
parent f9149a0d6c
commit b56d7f3248
2 changed files with 18 additions and 12 deletions
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2
tools/qfcc/source/emit.c
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@ -350,7 +350,7 @@ emit_sub_expr (expr_t *e, def_t *dest)
dest = PR_GetTempDef (e->e.expr.type, pr_scope); dest = PR_GetTempDef (e->e.expr.type, pr_scope);
dest->users += 2; dest->users += 2;
} }
} if (e->e.expr.op == '.') { } else if (e->e.expr.op == '.') {
if (!dest if (!dest
&& (e->e.expr.e1->type != ex_pointer && (e->e.expr.e1->type != ex_pointer
|| !(e->e.expr.e1->e.pointer.val > 0 || !(e->e.expr.e1->e.pointer.val > 0

28
tools/qfcc/source/expr.c
View file

@ -1331,8 +1331,15 @@ unary_expr (int op, expr_t *e)
case '.': case '.':
if (extract_type (e) != ev_pointer) if (extract_type (e) != ev_pointer)
return error (e, "invalid type for unary ."); return error (e, "invalid type for unary .");
e = new_unary_expr ('.', e); if (e->type == ex_expr && e->e.expr.op == '&'
e->e.expr.type = get_type (e->e.expr.e1)->aux_type; && (extract_type (e->e.expr.e1) == ev_entity
|| extract_type (e->e.expr.e1) == ev_pointer)) {
e->e.expr.op = '.';
e->e.expr.type = e->e.expr.type->aux_type;
} else {
e = new_unary_expr ('.', e);
e->e.expr.type = get_type (e->e.expr.e1)->aux_type;
}
return e; return e;
} }
error (e, "internal error"); error (e, "internal error");
@ -1619,16 +1626,15 @@ address_expr (expr_t *e1, expr_t *e2, type_t *t)
break; break;
case ex_expr: case ex_expr:
if (e1->e.expr.op == '.') { if (e1->e.expr.op == '.') {
expr_t *e = e1->e.expr.e1; e = e1;
e->e.expr.op = '&';
type = get_type (e); e->e.expr.type = pointer_type (e->e.expr.type);
if (type->type == ev_entity || type->type == ev_pointer) { print_expr (e);puts("");
e->e.expr.type = pointer_type (type); printf ("%s %s\n", pr_type_name[e->e.expr.type->type],
e->e.expr.op = '&'; pr_type_name[e->e.expr.type->aux_type->type]);
return e; break;
}
} }
return error (e, "invalid type for unary &"); return error (e1, "invalid type for unary &");
case ex_uexpr: case ex_uexpr:
if (e1->e.expr.op == '.') { if (e1->e.expr.op == '.') {
e = e1->e.expr.e1; e = e1->e.expr.e1;