/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user or with the express written consent of
 * Sun Microsystems, Inc.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */

/*      @(#)rpc_scan.h  1.3  90/08/29  (C) 1987 SMI   */

/*
 * rpc_scan.h, Definitions for the RPCL scanner 
 */

/*
 * kinds of tokens 
 */
enum tok_kind {
	TOK_IDENT,
	TOK_CHARCONST,
	TOK_STRCONST,
	TOK_LPAREN,
	TOK_RPAREN,
	TOK_LBRACE,
	TOK_RBRACE,
	TOK_LBRACKET,
	TOK_RBRACKET,
	TOK_LANGLE,
	TOK_RANGLE,
	TOK_STAR,
	TOK_COMMA,
	TOK_EQUAL,
	TOK_COLON,
	TOK_SEMICOLON,
	TOK_CONST,
	TOK_STRUCT,
	TOK_UNION,
	TOK_SWITCH,
	TOK_CASE,
	TOK_DEFAULT,
	TOK_ENUM,
	TOK_TYPEDEF,
	TOK_INT,
	TOK_SHORT,
	TOK_LONG,
	TOK_UNSIGNED,
	TOK_FLOAT,
	TOK_DOUBLE,
	TOK_OPAQUE,
	TOK_CHAR,
	TOK_STRING,
	TOK_BOOL,
	TOK_VOID,
	TOK_PROGRAM,
	TOK_VERSION,
	TOK_EOF
};
typedef enum tok_kind tok_kind;

/*
 * a token 
 */
struct token {
	tok_kind kind;
	const char *str;
};
typedef struct token token;


/*
 * routine interface 
 */
void scan(tok_kind expect, token *tokp);
void scan2(tok_kind expect1, tok_kind expect2, token *tokp);
void scan3(tok_kind expect1, tok_kind expect2, tok_kind expect3, token *tokp);
void scan_num(token *tokp);
void peek(token *tokp);
int peekscan(tok_kind expect, token *tokp);
void get_token(token *tokp);
void expected1(tok_kind exp1) __attribute__ ((noreturn));
void expected2(tok_kind exp1, tok_kind exp2)  __attribute__ ((noreturn));
void expected3(tok_kind exp1, tok_kind exp2, tok_kind exp3)
     __attribute__ ((noreturn));

