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

/*

 * Copyright (c) 2010, Oracle America, Inc.

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are

 * met:

 *

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above

 *       copyright notice, this list of conditions and the following

 *       disclaimer in the documentation and/or other materials

 *       provided with the distribution.

 *     * Neither the name of the "Oracle America, Inc." nor the names of its

 *       contributors may be used to endorse or promote products derived

 *       from this software without specific prior written permission.

 *

 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

 *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

 *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * 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_HYPER,

	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));