* cpplib.h: Undo mistaken commit.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42173 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cpplib.h b/gcc/cpplib.h
index 6100633..dc4c763 100644 (file)
--- a/gcc/cpplib.h
+++ b/gcc/cpplib.h
@@ -37,7 +37,7 @@ typedef struct cpp_buffer cpp_buffer;
 typedef struct cpp_options cpp_options;
 typedef struct cpp_token cpp_token;
 typedef struct cpp_string cpp_string;
-typedef struct c_common_identifier cpp_hashnode;
+typedef struct cpp_hashnode cpp_hashnode;
 typedef struct cpp_macro cpp_macro;
 typedef struct cpp_lexer_pos cpp_lexer_pos;
 typedef struct cpp_lookahead cpp_lookahead;
@@ -177,7 +177,7 @@ struct cpp_token
 
   union
   {
-    cpp_hashnode *node;                /* An identifier.  */
+    struct cpp_hashnode *node; /* An identifier.  */
     struct cpp_string str;     /* A string, or number.  */
     unsigned int arg_no;       /* Argument no. for a CPP_MACRO_ARG.  */
     unsigned char c;           /* Character represented by CPP_OTHER.  */
@@ -466,21 +466,21 @@ enum builtin_type
   BT_STDC                      /* `__STDC__' */
 };
 
-#include "c-rid.h"
+/* There is a slot in the hashnode for use by front ends when integrated
+   with cpplib.  It holds a tree (see tree.h) but we mustn't drag that
+   header into every user of cpplib.h.  cpplib does not do anything with
+   this slot except clear it when a new node is created.  */
+union tree_node;
 
-#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->rid_code)
-
-/* The common part of an identifier node shared amongst all 3 C front
-   ends.  Also used to store CPP identifiers, which are a superset of
-   identifiers in the grammatical sense.  */
-struct c_common_identifier
+struct cpp_hashnode
 {
-  struct tree_identifier ident;                /* See tree-core.h.  */
+  const unsigned char *name;           /* Null-terminated name.  */
+  unsigned int hash;                   /* Cached hash value.  */
+  unsigned short length;               /* Length of name excluding null.  */
   unsigned short arg_index;            /* Macro argument index.  */
   unsigned char directive_index;       /* Index into directive table.  */
-  ENUM_BITFIELD(rid) rid_code : 8;     /* Rid code - for front ends.  */
-  ENUM_BITFIELD(node_type) type : 8;   /* CPP node type.  */
-  unsigned char flags;                 /* CPP flags.  */
+  ENUM_BITFIELD(node_type) type : 8;   /* Node type.  */
+  unsigned char flags;                 /* Node flags.  */
 
   union
   {