Import changeset

1 files changed, 127 insertions, 0 deletions

diff --git a/scripts/tkparse.h b/scripts/tkparse.h
new file mode 100644
index 000000000000..1ca16b1852e7
--- /dev/null
+++ b/scripts/tkparse.h
@@ -0,0 +1,127 @@
+/*
+ * tkparse.h
+ */
+
+/*
+ * Token types (mostly statement types).
+ */
+
+enum e_token
+{
+    token_UNKNOWN,
+    token_bool, 
+    token_choice_header,
+    token_choice_item,
+    token_comment, 
+    token_define_bool,
+    token_define_hex,
+    token_define_int,
+    token_define_string,
+    token_define_tristate,
+    token_dep_bool,
+    token_dep_mbool,
+    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,
+};
+
+/*
+ * Operator types for conditionals.
+ */
+
+enum operator
+{
+    op_eq,
+    op_neq,
+    op_and,
+    op_and1,
+    op_or,
+    op_bang,
+    op_lparen,
+    op_rparen,
+    op_constant,
+    op_variable,
+    op_true,
+    op_false,
+    op_nuked
+};
+
+/*
+ * Conditions come in linked lists.
+ * Some operators take strings:
+ *
+ *   op_constant   "foo"
+ *   op_variable   "$ARCH", "$CONFIG_PMAC", "$CONFIG_EXPERIMENTAL"
+ *
+ * Most "$..." constructs refer to a variable which is defined somewhere
+ * in the script.  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;
+    const char *	str;		/* op_constant */
+    int			nameindex;	/* op_variable */
+};
+
+/*
+ * Dependency list for dep_bool, dep_mbool, dep_tristate
+ */
+
+struct dependency
+{
+    char *		name;
+    struct dependency *	next;
+};
+
+/*
+ * A statement from a config.in file
+ */
+
+struct kconfig
+{
+    struct kconfig *	next;
+    enum e_token	token;
+    int			nameindex;
+    char *		label;
+    char *		value;
+    struct condition *	cond;
+    struct dependency *	depend;		/* token_dep_tristate */
+    struct kconfig *	cfg_parent;	/* token_choice_item */
+
+    /* used only in tkgen.c */
+    int			menu_number;
+    int			menu_line;
+    struct kconfig *	menu_next;
+};
+
+struct variable
+{
+    char *	name;
+    char	defined;
+    char	global_written;
+};
+
+extern struct variable vartable[];
+extern int max_varnum;
+
+/*
+ * Prototypes
+ */
+
+extern void fix_conditionals ( struct kconfig * scfg );		/* tkcond.c */
+extern void dump_tk_script   ( struct kconfig * scfg );		/* tkgen.c  */
+extern int get_varnum        ( char * name );			/* tkparse.c */