diff options
Diffstat (limited to 'scripts/kconfig/symbol.c')
| -rw-r--r-- | scripts/kconfig/symbol.c | 79 |
1 files changed, 55 insertions, 24 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index c35dcc5d618..3929e5b35e7 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -34,6 +34,8 @@ struct symbol *sym_defconfig_list; struct symbol *modules_sym; tristate modules_val; +struct expr *sym_env_list; + void sym_add_default(struct symbol *sym, const char *def) { struct property *prop = prop_alloc(P_DEFAULT, sym); @@ -45,7 +47,6 @@ void sym_init(void) { struct symbol *sym; struct utsname uts; - char *p; static bool inited = false; if (inited) @@ -54,20 +55,6 @@ void sym_init(void) uname(&uts); - sym = sym_lookup("ARCH", 0); - sym->type = S_STRING; - sym->flags |= SYMBOL_AUTO; - p = getenv("ARCH"); - if (p) - sym_add_default(sym, p); - - sym = sym_lookup("KERNELVERSION", 0); - sym->type = S_STRING; - sym->flags |= SYMBOL_AUTO; - p = getenv("KERNELVERSION"); - if (p) - sym_add_default(sym, p); - sym = sym_lookup("UNAME_RELEASE", 0); sym->type = S_STRING; sym->flags |= SYMBOL_AUTO; @@ -117,6 +104,15 @@ struct property *sym_get_choice_prop(struct symbol *sym) return NULL; } +struct property *sym_get_env_prop(struct symbol *sym) +{ + struct property *prop; + + for_all_properties(sym, prop, P_ENV) + return prop; + return NULL; +} + struct property *sym_get_default_prop(struct symbol *sym) { struct property *prop; @@ -199,7 +195,7 @@ static void sym_calc_visibility(struct symbol *sym) tri = no; for_all_prompts(sym, prop) { prop->visible.tri = expr_calc_value(prop->visible.expr); - tri = E_OR(tri, prop->visible.tri); + tri = EXPR_OR(tri, prop->visible.tri); } if (tri == mod && (sym->type != S_TRISTATE || modules_val == no)) tri = yes; @@ -247,8 +243,7 @@ static struct symbol *sym_calc_choice(struct symbol *sym) /* just get the first visible value */ prop = sym_get_choice_prop(sym); - for (e = prop->expr; e; e = e->left.expr) { - def_sym = e->right.sym; + expr_list_for_each_sym(prop->expr, e, def_sym) { sym_calc_visibility(def_sym); if (def_sym->visible != no) return def_sym; @@ -303,7 +298,7 @@ void sym_calc_value(struct symbol *sym) if (sym_is_choice_value(sym) && sym->visible == yes) { prop = sym_get_choice_prop(sym); newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no; - } else if (E_OR(sym->visible, sym->rev_dep.tri) != no) { + } else if (EXPR_OR(sym->visible, sym->rev_dep.tri) != no) { sym->flags |= SYMBOL_WRITE; if (sym_has_value(sym)) newval.tri = sym->def[S_DEF_USER].tri; @@ -312,7 +307,7 @@ void sym_calc_value(struct symbol *sym) if (prop) newval.tri = expr_calc_value(prop->expr); } - newval.tri = E_OR(E_AND(newval.tri, sym->visible), sym->rev_dep.tri); + newval.tri = EXPR_OR(EXPR_AND(newval.tri, sym->visible), sym->rev_dep.tri); } else if (!sym_is_choice(sym)) { prop = sym_get_default_prop(sym); if (prop) { @@ -347,6 +342,9 @@ void sym_calc_value(struct symbol *sym) ; } + if (sym->flags & SYMBOL_AUTO) + sym->flags &= ~SYMBOL_WRITE; + sym->curr = newval; if (sym_is_choice(sym) && newval.tri == yes) sym->curr.val = sym_calc_choice(sym); @@ -361,12 +359,14 @@ void sym_calc_value(struct symbol *sym) } if (sym_is_choice(sym)) { + struct symbol *choice_sym; int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE); + prop = sym_get_choice_prop(sym); - for (e = prop->expr; e; e = e->left.expr) { - e->right.sym->flags |= flags; + expr_list_for_each_sym(prop->expr, e, choice_sym) { + choice_sym->flags |= flags; if (flags & SYMBOL_CHANGED) - sym_set_changed(e->right.sym); + sym_set_changed(choice_sym); } } } @@ -849,7 +849,7 @@ struct property *prop_alloc(enum prop_type type, struct symbol *sym) struct symbol *prop_get_symbol(struct property *prop) { if (prop->expr && (prop->expr->type == E_SYMBOL || - prop->expr->type == E_CHOICE)) + prop->expr->type == E_LIST)) return prop->expr->left.sym; return NULL; } @@ -859,6 +859,8 @@ const char *prop_get_type_name(enum prop_type type) switch (type) { case P_PROMPT: return "prompt"; + case P_ENV: + return "env"; case P_COMMENT: return "comment"; case P_MENU: @@ -876,3 +878,32 @@ const char *prop_get_type_name(enum prop_type type) } return "unknown"; } + +void prop_add_env(const char *env) +{ + struct symbol *sym, *sym2; + struct property *prop; + char *p; + + sym = current_entry->sym; + sym->flags |= SYMBOL_AUTO; + for_all_properties(sym, prop, P_ENV) { + sym2 = prop_get_symbol(prop); + if (strcmp(sym2->name, env)) + menu_warn(current_entry, "redefining environment symbol from %s", + sym2->name); + return; + } + + prop = prop_alloc(P_ENV, sym); + prop->expr = expr_alloc_symbol(sym_lookup(env, 1)); + + sym_env_list = expr_alloc_one(E_LIST, sym_env_list); + sym_env_list->right.sym = sym; + + p = getenv(env); + if (p) + sym_add_default(sym, p); + else + menu_warn(current_entry, "environment variable %s undefined", env); +} |