rev_dep expressions can get rather unwieldy, especially if a symbol is selected by more than a handful of other symbols. Ie, it's possible to have near endless expressions like: A && B && !C || D || F && (G || H) || [...] Chop these expressions into actually readable chunks: - A && B && !C - D - F && (G || H) - [...] Ie, transform the top level "||" tokens into newlines and prepend each line with a minus. This makes the "Selected by:" blurb much easier to read. This also prevents trimming too long lines. Based on patch from Paul Bolle. Reported-by: Paul Bolle <pebolle@xxxxxxxxxx> Cc: Paul Bolle <pebolle@xxxxxxxxxx> Signed-off-by: Petr Vorel <pvorel@xxxxxxx> --- scripts/kconfig/expr.c | 16 +++++++++++++--- scripts/kconfig/menu.c | 2 +- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c index cbf4996dd9c1..4b4309b59349 100644 --- a/scripts/kconfig/expr.c +++ b/scripts/kconfig/expr.c @@ -1070,6 +1070,8 @@ struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2) return expr_get_leftmost_symbol(ret); } +static int print_level = 0; + void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken) { if (!e) { @@ -1077,8 +1079,11 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char * return; } - if (expr_compare_type(prevtoken, e->type) > 0) + if (expr_compare_type(prevtoken, e->type) > 0) { + print_level++; fn(data, NULL, "("); + } + switch (e->type) { case E_SYMBOL: if (e->left.sym->name) @@ -1126,7 +1131,10 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char * break; case E_OR: expr_print(e->left.expr, fn, data, E_OR); - fn(data, NULL, " || "); + if (print_level == 0) + fn(data, NULL, "\n - "); + else + fn(data, NULL, " || "); expr_print(e->right.expr, fn, data, E_OR); break; case E_AND: @@ -1156,8 +1164,10 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char * break; } } - if (expr_compare_type(prevtoken, e->type) > 0) + if (expr_compare_type(prevtoken, e->type) > 0) { + print_level--; fn(data, NULL, ")"); + } } static void expr_print_file_helper(void *data, struct symbol *sym, const char *str) diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index e9357931b47d..3daf7b81637f 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -675,7 +675,7 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym, get_symbol_props_str(r, sym, P_SELECT, _(" Selects: ")); if (sym->rev_dep.expr) { - str_append(r, _(" Selected by: ")); + str_append(r, _(" Selected by: \n - ")); expr_gstr_print(sym->rev_dep.expr, r); str_append(r, "\n"); } -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html