kconfig: create links in info window

Extend the expression print helper function to allow customization of the
symbol output and use it to add links to the info window.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 25 insertions, 25 deletions

diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 87238afb21b7..6f98dbfe70cf 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -1013,73 +1013,73 @@ 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);
+                fn(data, e->left.sym, e->left.sym->name);
+                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);
+                fn(data, e->left.sym, e->left.sym->name);
+                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);
 }
@@ -1089,7 +1089,7 @@ 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);
 }