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kconfig: refactor error messages in sym_check_print_recursive()

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Improve the error messages and clean up redundant code.

[1] remove redundant next_sym->name checks

If 'next_sym' is a choice, the first 'if' block is executed. In the
subsequent 'else if' blocks, 'next_sym" is not a choice, hence
next_sym->name is not NULL.

[2] remove redundant sym->name checks

A choice is never selected or implied by anyone because it has no name
(it is syntactically impossible). If it is, sym->name is not NULL.

[3] Show the location of choice instead of "<choice>"

"part of choice <choice>" does not convey useful information. Since a
choice has no name, it is more informative to display the file name and
line number.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-06-27 03:22:04 +09:00
parent d67624d814
commit d5afb4824f
1 changed files with 9 additions and 9 deletions
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18
scripts/kconfig/symbol.c
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@ -1107,37 +1107,37 @@ static void sym_check_print_recursive(struct symbol *last_sym)
prop->filename, prop->lineno);
if (sym_is_choice(next_sym)) {
fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
choice = list_first_entry(&next_sym->menus, struct menu, link);
fprintf(stderr, "%s:%d:\tsymbol %s is part of choice block at %s:%d\n",
menu->filename, menu->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
choice->filename, choice->lineno);
} else if (stack->expr == &sym->dir_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
next_sym->name);
} else if (stack->expr == &sym->rev_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
sym->name, next_sym->name);
} else if (stack->expr == &sym->implied.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s is implied by %s\n",
prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
sym->name, next_sym->name);
} else if (stack->expr) {
fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
next_sym->name);
} else {
fprintf(stderr, "%s:%d:\tsymbol %s %s is visible depending on %s\n",
prop->filename, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
next_sym->name);
}
}