patch-2.2.0-pre9 linux/scripts/tkparse.h

• Lines: 176
• Date: Wed Jan 20 10:05:49 1999
• Orig file: v2.2.0-pre8/linux/scripts/tkparse.h
• Orig date: Tue Jan 19 11:32:54 1999

diff -u --recursive --new-file v2.2.0-pre8/linux/scripts/tkparse.h linux/scripts/tkparse.h
@@ -1,82 +1,112 @@
+/*
+ * tkparse.h
+ */
 
-enum token {
-  tok_menuname, 
-  tok_menuoption, 
-  tok_comment, 
-  tok_bool, 
-  tok_tristate, 
-  tok_dep_tristate,
-  tok_nop,
-  tok_if, 
-  tok_else, 
-  tok_fi, 
-  tok_int,
-  tok_hex,
-  tok_string,
-  tok_define,
-  tok_choose,
-  tok_choice,
-  tok_endmenu,
-  tok_unknown
-};
+/*
+ * Define this symbol to generate exactly the same output, byte for byte,
+ * as the previous version of xconfig.  I need to do this to make sure I
+ * I don't break anything in my moby edit. -- mec
+ */
 
-enum operator {
-  op_eq,
-  op_neq,
-  op_and,
-  op_and1,
-  op_or,
-  op_bang,
-  op_lparen,
-  op_rparen,
-  op_variable,
-  op_kvariable,
-  op_shellcmd,
-  op_constant,
-  op_nuked
+#define BUG_COMPATIBLE
+
+/*
+ * Token types (mostly statement types).
+ */
+
+enum e_token
+{
+    token_UNKNOWN,
+    token_bool, 
+    token_choice_header,
+    token_choice_item,
+    token_comment, 
+    token_define_bool,
+    token_dep_tristate,
+    token_else, 
+    token_endmenu,
+    token_fi, 
+    token_hex,
+    token_if, 
+    token_int,
+    token_mainmenu_name, 
+    token_mainmenu_option, 
+    token_source,
+    token_string,
+    token_then,
+    token_tristate, 
+    token_unset,
 };
 
-union var
+/*
+ * Operator types for conditionals.
+ */
+
+enum operator
 {
-  char * str;
-  struct kconfig * cfg;
+    op_eq,
+    op_neq,
+    op_and,
+    op_and1,
+    op_or,
+    op_bang,
+    op_lparen,
+    op_rparen,
+    op_constant,
+    op_variable,
+    op_kvariable,
+    op_nuked
 };
 
+/*
+ * Conditions come in linked lists.
+ * Some operators take strings:
+ *
+ *   op_constant   "foo"
+ *   op_variable   "$ARCH", "$CONFIG_PMAC"
+ *   op_kvariable  "$CONFIG_EXPERIMENTAL"
+ *
+ * Most "$..." constructs refer to a variable which is defined somewhere
+ * in the script, so they become op_kvariable's instead.  Note that it
+ * is legal to test variables which are never defined, such as variables
+ * that are meaningful only on other architectures.
+ */
+
 struct condition
 {
-  struct condition * next;
-  enum operator op;
-  union var variable;
+    struct condition * next;
+    enum operator op;
+    const char * str;		/* op_constant, op_variable */
+    struct kconfig * cfg;	/* op_kvariable */
 };
 
-#define GLOBAL_WRITTEN  1
-#define CFG_DUP 	2
-#define UNSAFE		4
+/*
+ * A statement from a config.in file
+ */
 
 struct kconfig
 {
-  struct kconfig 	* next;
-  int 			  flags;
-  enum 			  token tok;
-  int   		  menu_number;
-  int   		  menu_line;
-  int   		  submenu_start;
-  int   		  submenu_end;
-  char 			* optionname;
-  char 			* label;
-  char 			* value;
-  int   		  choice_value;
-  struct kconfig        * choice_label;
-  union var 		  depend;
-  struct condition 	* cond;
+    struct kconfig *	next;
+    enum e_token	token;
+    char *		optionname;
+    char *		label;
+    char *		value;
+    struct condition *	cond;
+    char *		depend;		/* token_dep_tristate */
+    struct kconfig *	cfg_parent;	/* token_choice_item */
+
+    /* used only in tkgen.c */
+    char		global_written;
+    int			menu_number;
+    int			menu_line;
+    struct kconfig *	menu_next;
 };
 
-extern struct kconfig * config;
-extern struct kconfig * clast;
-extern struct kconfig * koption;
+
 
 /*
  * Prototypes
  */
-void fix_conditionals(struct kconfig * scfg);	/* tkcond.c */
-void dump_tk_script(struct kconfig *scfg);	/* tkgen.c  */
+
+extern void fix_conditionals ( struct kconfig * scfg );		/* tkcond.c */
+extern void dump_tk_script   ( struct kconfig * scfg );		/* tkgen.c  */