X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0d6508efab13d47fb08e9b49a90579abfb3a6d20..490abf53b1391c2bc49564bff71ac400880323ad:/src/lex.h

diff --git a/src/lex.h b/src/lex.h
index d14479aa..cb5a75e8 100644
--- a/src/lex.h
+++ b/src/lex.h
@@ -1,5 +1,5 @@
 /* Token type definitions for bison's input reader,
-   Copyright 1984, 1989, 1992, 2000 Free Software Foundation, Inc.
+   Copyright 1984, 1989, 1992, 2000, 2001 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -22,41 +22,48 @@
 # define LEX_H_
 
 /* Token-type codes. */
-# define ENDFILE	0
-# define IDENTIFIER	1
-# define COMMA		2
-# define COLON		3
-# define SEMICOLON	4
-# define BAR   		5
-# define LEFT_CURLY     6
-# define TWO_PERCENTS	7
-# define PERCENT_LEFT_CURLY	8
-# define TOKEN		9
-# define NTERM		10
-# define GUARD		11
-# define TYPE  		12
-# define UNION		13
-# define START		14
-# define LEFT  		15
-# define RIGHT		16
-# define NONASSOC	17
-# define PREC  		18
-# define TYPENAME  	21
-# define NUMBER		22
-# define EXPECT		23
-# define THONG		24
-# define NOOP		25
-# define SETOPT		26
-# define ILLEGAL	27
+typedef enum token_e
+  {
+    tok_undef,	/* Not defined.  Used to initial token_t vars. */
+    tok_eof,
+    tok_identifier,
+    tok_comma,
+    tok_colon,
+    tok_semicolon,
+    tok_bar,
+    tok_left_curly,
+    tok_two_percents,
+    tok_percent_left_curly,
+    tok_token,
+    tok_nterm,
+    tok_guard,
+    tok_type,
+    tok_union,
+    tok_start,
+    tok_left,
+    tok_right,
+    tok_nonassoc,
+    tok_prec,
+    tok_typename,
+    tok_number,
+    tok_expect,
+    tok_thong,
+    tok_define,
+    tok_skel,
+    tok_noop,
+    tok_setopt,
+    tok_illegal,
+    tok_obsolete
+  } token_t;
 
-
-extern char *token_buffer;
+extern const char *token_buffer;
 extern bucket *symval;
 extern int numval;
 
-void init_lex PARAMS ((void));
+void lex_init PARAMS ((void));
+void lex_free PARAMS ((void));
 int skip_white_space PARAMS ((void));
-void unlex PARAMS ((int));
+void unlex PARAMS ((token_t));
 void read_type_name PARAMS ((FILE *fin));
 
 /* Return one of the token-type codes.  When an identifier is seen,
@@ -64,8 +71,8 @@ void read_type_name PARAMS ((FILE *fin));
    symbol table using symtab.c; symval is set to a pointer to the
    entry found.  */
 
-int lex PARAMS ((void));
+token_t lex PARAMS ((void));
 
-int parse_percent_token PARAMS ((void));
+token_t parse_percent_token PARAMS ((void));
 
 #endif /* !LEX_H_ */