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lint: split complicated function for looking up struct members

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No functional change.
This commit is contained in:
rillig 2021-03-28 19:30:08 +00:00
parent 46e70dbb1a
commit 42f643d6d2
1 changed files with 27 additions and 28 deletions
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49
usr.bin/xlint/lint1/init.c
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@ -1,4 +1,4 @@
/* $NetBSD: init.c,v 1.171 2021/03/28 18:33:27 rillig Exp $ */
/* $NetBSD: init.c,v 1.172 2021/03/28 19:30:08 rillig Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: init.c,v 1.171 2021/03/28 18:33:27 rillig Exp $");
__RCSID("$NetBSD: init.c,v 1.172 2021/03/28 19:30:08 rillig Exp $");
#endif
#include <stdlib.h>
@ -589,8 +589,8 @@ brace_level_look_up_member(const struct brace_level *level, const char *name)
/* TODO: merge duplicate code */
static sym_t *
brace_level_look_up_member_bloated(struct brace_level *level,
const struct designator *dr, int *count)
brace_level_look_up_member_named(struct brace_level *level, const char *name,
int *count)
{
sym_t *m;
@ -598,25 +598,25 @@ brace_level_look_up_member_bloated(struct brace_level *level,
m != NULL; m = m->s_next) {
if (m->s_bitfield && m->s_name == unnamed)
continue;
/*
* TODO: split into separate functions:
*
* look_up_array_next
* look_up_array_designator
* look_up_struct_next
* look_up_struct_designator
*/
if (dr != NULL) {
/* XXX: this log entry looks unnecessarily verbose */
debug_step("have member '%s', want member '%s'",
m->s_name, dr->name);
if (strcmp(m->s_name, dr->name) == 0) {
if (strcmp(m->s_name, name) != 0)
continue;
(*count)++;
break;
} else
continue;
}
return m;
}
/* TODO: merge duplicate code */
static sym_t *
brace_level_look_up_member_unnamed(struct brace_level *level, int *count)
{
sym_t *m;
for (m = level->bl_type->t_str->sou_first_member;
m != NULL; m = m->s_next) {
if (m->s_bitfield && m->s_name == unnamed)
continue;
/* XXX: What is this code for? */
if (++(*count) == 1) {
level->bl_next_member = m;
@ -812,10 +812,6 @@ initialization_set_error(struct initialization *in)
static bool
initialization_push_struct_or_union(struct initialization *in)
{
/*
* TODO: remove unnecessary 'const' for variables in functions that
* fit on a single screen. Keep it for larger functions.
*/
struct brace_level *level = in->brace_level;
int cnt;
sym_t *m;
@ -833,8 +829,11 @@ initialization_push_struct_or_union(struct initialization *in)
type_name(level->bl_type),
level->bl_seen_named_member ? ", seen named member" : "");
m = brace_level_look_up_member_bloated(level,
in->designation.head, &cnt);
if (in->designation.head != NULL)
m = brace_level_look_up_member_named(level,
in->designation.head->name, &cnt);
else
m = brace_level_look_up_member_unnamed(level, &cnt);
if (in->designation.head != NULL) {
if (m == NULL) {