scripts/config: merge fixes for various issues, including recursive dependency detect...

SVN-Revision: 28658

diff --git a/scripts/config/expr.c b/scripts/config/expr.c
index 30e4f9d69c2fbc2e080022f6fe5db49985207d9d..98c7ddb91e205ad5f657391e2e98d0b99bf52974 100644 (file)
--- 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, "<choice>");
+                       fn(data, NULL, "<choice>");
                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, "<choice>");
+               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, "<choice>");
+               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, "<unknown type %d>", 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 ae79d8fad1acdd9fbc8e47d146b31d6cf4930b1d..f6690a20e2d59a2bcb68a638033f8e54506427d3 100644 (file)
--- 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 527f60c99c50a4ac4b597aff3eeae5de1136d12e..a6622e60eb75964c91dc2b6f1d9de9aa88ffdb36 100644 (file)
--- 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 e5fd58e7d6deb8b3a4be1ae7131b4e7f0cdb4416..14a3256bbd5f4cbf029038b450d85a5f34fe783e 100644 (file)
--- 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 8c58b623863d54d91c6ad1df1379103fe66303a0..a62e924dcb779329c1ed6fc02bfc36e625eae4f6 100644 (file)
--- 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 2c1392ad436990030c10b99da2c7976f2a704b98..1d718da3a9c30ac2d8f40f36ad3b4202e6102bb4 100644 (file)
--- 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 77f392a961bf4536659302d409ab4f2c492ef0c8..7aeffb5deba3c7edaa181873a7aa28e6086c310e 100644 (file)
--- 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;