From 5e48d47dfe7134080ef13fddb506a461d109a2de Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 28 Oct 2011 14:09:12 +0000 Subject: [PATCH] scripts/config: merge fixes for various issues, including recursive dependency detection/handling (patch by mbm) SVN-Revision: 28658 --- scripts/config/expr.c | 90 ++++++++++++++++++++---------- scripts/config/expr.h | 3 +- scripts/config/lkc.h | 5 ++ scripts/config/lkc_proto.h | 2 +- scripts/config/mconf.c | 2 + scripts/config/symbol.c | 18 +++--- scripts/config/zconf.tab.c_shipped | 2 +- 7 files changed, 82 insertions(+), 40 deletions(-) diff --git a/scripts/config/expr.c b/scripts/config/expr.c index 30e4f9d69c..98c7ddb91e 100644 --- a/scripts/config/expr.c +++ b/scripts/config/expr.c @@ -145,7 +145,8 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e return; } if (e1->type == E_SYMBOL && e2->type == E_SYMBOL && - e1->left.sym == e2->left.sym && (e1->left.sym->flags & (SYMBOL_YES|SYMBOL_NO))) + e1->left.sym == e2->left.sym && + (e1->left.sym == &symbol_yes || e1->left.sym == &symbol_no)) return; if (!expr_eq(e1, e2)) return; @@ -347,7 +348,7 @@ struct expr *expr_trans_bool(struct expr *e) /* * e1 || e2 -> ? */ -struct expr *expr_join_or(struct expr *e1, struct expr *e2) +static struct expr *expr_join_or(struct expr *e1, struct expr *e2) { struct expr *tmp; struct symbol *sym1, *sym2; @@ -411,7 +412,7 @@ struct expr *expr_join_or(struct expr *e1, struct expr *e2) return NULL; } -struct expr *expr_join_and(struct expr *e1, struct expr *e2) +static struct expr *expr_join_and(struct expr *e1, struct expr *e2) { struct expr *tmp; struct symbol *sym1, *sym2; @@ -1012,73 +1013,79 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2) #endif } -void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken) +void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken) { if (!e) { - fn(data, "y"); + fn(data, NULL, "y"); return; } if (expr_compare_type(prevtoken, e->type) > 0) - fn(data, "("); + fn(data, NULL, "("); switch (e->type) { case E_SYMBOL: if (e->left.sym->name) - fn(data, e->left.sym->name); + fn(data, e->left.sym, e->left.sym->name); else - fn(data, ""); + fn(data, NULL, ""); break; case E_NOT: - fn(data, "!"); + fn(data, NULL, "!"); expr_print(e->left.expr, fn, data, E_NOT); break; case E_EQUAL: - fn(data, e->left.sym->name); - fn(data, "="); - fn(data, e->right.sym->name); + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, ""); + fn(data, NULL, "="); + fn(data, e->right.sym, e->right.sym->name); break; case E_UNEQUAL: - fn(data, e->left.sym->name); - fn(data, "!="); - fn(data, e->right.sym->name); + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, ""); + fn(data, NULL, "!="); + fn(data, e->right.sym, e->right.sym->name); break; case E_OR: expr_print(e->left.expr, fn, data, E_OR); - fn(data, " || "); + fn(data, NULL, " || "); expr_print(e->right.expr, fn, data, E_OR); break; case E_AND: expr_print(e->left.expr, fn, data, E_AND); - fn(data, " && "); + fn(data, NULL, " && "); expr_print(e->right.expr, fn, data, E_AND); break; case E_CHOICE: - fn(data, e->right.sym->name); + fn(data, e->right.sym, e->right.sym->name); if (e->left.expr) { - fn(data, " ^ "); + fn(data, NULL, " ^ "); expr_print(e->left.expr, fn, data, E_CHOICE); } break; case E_RANGE: - fn(data, "["); - fn(data, e->left.sym->name); - fn(data, " "); - fn(data, e->right.sym->name); - fn(data, "]"); + fn(data, NULL, "["); + fn(data, e->left.sym, e->left.sym->name); + fn(data, NULL, " "); + fn(data, e->right.sym, e->right.sym->name); + fn(data, NULL, "]"); break; default: { char buf[32]; sprintf(buf, "", e->type); - fn(data, buf); + fn(data, NULL, buf); break; } } if (expr_compare_type(prevtoken, e->type) > 0) - fn(data, ")"); + fn(data, NULL, ")"); } -static void expr_print_file_helper(void *data, const char *str) +static void expr_print_file_helper(void *data, struct symbol *sym, const char *str) { fwrite(str, strlen(str), 1, data); } @@ -1088,9 +1095,34 @@ void expr_fprint(struct expr *e, FILE *out) expr_print(e, expr_print_file_helper, out, E_NONE); } -static void expr_print_gstr_helper(void *data, const char *str) +static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str) { - str_append((struct gstr*)data, str); + struct gstr *gs = (struct gstr*)data; + const char *sym_str = NULL; + + if (sym) + sym_str = sym_get_string_value(sym); + + if (gs->max_width) { + unsigned extra_length = strlen(str); + const char *last_cr = strrchr(gs->s, '\n'); + unsigned last_line_length; + + if (sym_str) + extra_length += 4 + strlen(sym_str); + + if (!last_cr) + last_cr = gs->s; + + last_line_length = strlen(gs->s) - (last_cr - gs->s); + + if ((last_line_length + extra_length) > gs->max_width) + str_append(gs, "\\\n"); + } + + str_append(gs, str); + if (sym && sym->type != S_UNKNOWN) + str_printf(gs, " [=%s]", sym_str); } void expr_gstr_print(struct expr *e, struct gstr *gs) diff --git a/scripts/config/expr.h b/scripts/config/expr.h index ae79d8fad1..f6690a20e2 100644 --- a/scripts/config/expr.h +++ b/scripts/config/expr.h @@ -77,7 +77,7 @@ struct symbol { struct expr_value rev_dep_inv; }; -#define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER) +#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER) #define SYMBOL_YES 0x0001 #define SYMBOL_MOD 0x0002 @@ -98,7 +98,6 @@ struct symbol { #define SYMBOL_MAXLENGTH 256 #define SYMBOL_HASHSIZE 257 -#define SYMBOL_HASHMASK 0xff enum prop_type { P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_DEFAULT, P_CHOICE, P_DESELECT, P_SELECT, P_RANGE, P_RESET diff --git a/scripts/config/lkc.h b/scripts/config/lkc.h index 527f60c99c..a6622e60eb 100644 --- a/scripts/config/lkc.h +++ b/scripts/config/lkc.h @@ -88,6 +88,11 @@ int file_write_dep(const char *name); struct gstr { size_t len; char *s; + /* + * when max_width is not zero long lines in string s (if any) get + * wrapped not to exceed the max_width value + */ + int max_width; }; struct gstr str_new(void); struct gstr str_assign(const char *s); diff --git a/scripts/config/lkc_proto.h b/scripts/config/lkc_proto.h index e5fd58e7d6..14a3256bbd 100644 --- a/scripts/config/lkc_proto.h +++ b/scripts/config/lkc_proto.h @@ -39,4 +39,4 @@ P(prop_get_type_name,const char *,(enum prop_type type)); /* expr.c */ P(expr_compare_type,int,(enum expr_type t1, enum expr_type t2)); -P(expr_print,void,(struct expr *e, void (*fn)(void *, const char *), void *data, int prevtoken)); +P(expr_print,void,(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)); diff --git a/scripts/config/mconf.c b/scripts/config/mconf.c index 8c58b62386..a62e924dcb 100644 --- a/scripts/config/mconf.c +++ b/scripts/config/mconf.c @@ -872,6 +872,8 @@ static void show_help(struct menu *menu) struct gstr help = str_new(); struct symbol *sym = menu->sym; + help.max_width = cols - 10; + if (sym->help) { if (sym->name) { diff --git a/scripts/config/symbol.c b/scripts/config/symbol.c index 2c1392ad43..1d718da3a9 100644 --- a/scripts/config/symbol.c +++ b/scripts/config/symbol.c @@ -56,7 +56,6 @@ void sym_init(void) sym = sym_lookup("ARCH", 0); sym->type = S_STRING; - sym->flags |= SYMBOL_AUTO; p = getenv("ARCH"); if (p) sym_add_default(sym, p); @@ -362,11 +361,14 @@ void sym_calc_value(struct symbol *sym) sym->curr.val = sym_calc_choice(sym); sym_validate_range(sym); - if (memcmp(&oldval, &sym->curr, sizeof(oldval))) + if (memcmp(&oldval, &sym->curr, sizeof(oldval))) { + sym->flags &= ~SYMBOL_VALID; sym_set_changed(sym); - - if (modules_sym == sym) - modules_val = modules_sym->curr.tri; + if (modules_sym == sym) { + sym_set_all_changed(); + modules_val = modules_sym->curr.tri; + } + } if (sym_is_choice(sym)) { int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE); @@ -377,6 +379,9 @@ void sym_calc_value(struct symbol *sym) sym_set_changed(e->right.sym); } } + + if (sym->flags & SYMBOL_AUTO) + sym->flags &= ~SYMBOL_WRITE; } void sym_clear_all_valid(void) @@ -462,8 +467,6 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val) sym->user.tri = val; if (oldval != val) { sym_clear_all_valid(); - if (sym == modules_sym) - sym_set_all_changed(); } return true; @@ -756,6 +759,7 @@ struct symbol **sym_re_search(const char *pattern) return NULL; } } + sym_calc_value(sym); sym_arr[cnt++] = sym; } if (sym_arr) diff --git a/scripts/config/zconf.tab.c_shipped b/scripts/config/zconf.tab.c_shipped index 77f392a961..7aeffb5deb 100644 --- a/scripts/config/zconf.tab.c_shipped +++ b/scripts/config/zconf.tab.c_shipped @@ -169,7 +169,7 @@ static void zconf_error(const char *err, ...); static void zconferror(const char *err); static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken); -struct symbol *symbol_hash[257]; +struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; -- 2.30.2