/*-

 * Copyright (c) 2016

 *	mirabilos <m@mirbsd.org>

 *

 * Provided that these terms and disclaimer and all copyright notices

 * are retained or reproduced in an accompanying document, permission

 * is granted to deal in this work without restriction, including un-

 * limited rights to use, publicly perform, distribute, sell, modify,

 * merge, give away, or sublicence.

 *

 * This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to

 * the utmost extent permitted by applicable law, neither express nor

 * implied; without malicious intent or gross negligence. In no event

 * may a licensor, author or contributor be held liable for indirect,

 * direct, other damage, loss, or other issues arising in any way out

 * of dealing in the work, even if advised of the possibility of such

 * damage or existence of a defect, except proven that it results out

 * of said person's immediate fault when using the work as intended.

 */

#if defined(EXPRTOK_DEFNS)

__RCSID("$MirOS: src/bin/mksh/exprtok.h,v 1.2 2016/08/12 16:48:05 tg Exp $");

/* see range comment below */

#define IS_ASSIGNOP(op) ((int)(op) >= (int)O_ASN && (int)(op) <= (int)O_BORASN)

#define FN(name, len, prec, enum)	/* nothing */

#define F1(enum)			/* nothing */

#elif defined(EXPRTOK_ENUM)

#define F0(name, len, prec, enum)	enum = 0,

#define FN(name, len, prec, enum)	enum,

#define F1(enum)			enum,

#define F2(enum)			enum,

#define F9(enum)			enum

#elif defined(EXPRTOK_NAME)

#define FN(name, len, prec, enum)	name,

#define F1(enum)			""

#elif defined(EXPRTOK_LEN)

#define FN(name, len, prec, enum)	len,

#define F1(enum)			0

#elif defined(EXPRTOK_PREC)

#define FN(name, len, prec, enum)	prec,

#define F1(enum)			P_PRIMARY

#endif

#ifndef F0

#define F0 FN

#endif

#ifndef F2

#define F2(enum)			/* nothing */

#define F9(enum)			/* nothing */

#endif

/* tokens must be ordered so the longest are first (e.g. += before +) */

/* some (long) unary operators */

FN("++", 2, P_PRIMARY, O_PLUSPLUS = 0)	/* before + */

FN("--", 2, P_PRIMARY, O_MINUSMINUS)	/* before - */

/* binary operators */

FN("==", 2, P_EQUALITY, O_EQ)		/* before = */

FN("!=", 2, P_EQUALITY, O_NE)		/* before ! */

/* assignments are assumed to be in range O_ASN .. O_BORASN */

FN("=", 1, P_ASSIGN, O_ASN)

FN("*=", 2, P_ASSIGN, O_TIMESASN)

FN("/=", 2, P_ASSIGN, O_DIVASN)

FN("%=", 2, P_ASSIGN, O_MODASN)

FN("+=", 2, P_ASSIGN, O_PLUSASN)

FN("-=", 2, P_ASSIGN, O_MINUSASN)

#ifndef MKSH_LEGACY_MODE

FN("^<=", 3, P_ASSIGN, O_ROLASN)	/* before ^< */

FN("^>=", 3, P_ASSIGN, O_RORASN)	/* before ^> */

#endif

FN("<<=", 3, P_ASSIGN, O_LSHIFTASN)

FN(">>=", 3, P_ASSIGN, O_RSHIFTASN)

FN("&=", 2, P_ASSIGN, O_BANDASN)

FN("^=", 2, P_ASSIGN, O_BXORASN)

FN("|=", 2, P_ASSIGN, O_BORASN)

/* binary non-assignment operators */

#ifndef MKSH_LEGACY_MODE

FN("^<", 2, P_SHIFT, O_ROL)		/* before ^ */

FN("^>", 2, P_SHIFT, O_ROR)		/* before ^ */

#endif

FN("<<", 2, P_SHIFT, O_LSHIFT)

FN(">>", 2, P_SHIFT, O_RSHIFT)

FN("<=", 2, P_RELATION, O_LE)

FN(">=", 2, P_RELATION, O_GE)

FN("<", 1, P_RELATION, O_LT)

FN(">", 1, P_RELATION, O_GT)

FN("&&", 2, P_LAND, O_LAND)

FN("||", 2, P_LOR, O_LOR)

FN("*", 1, P_MULT, O_TIMES)

FN("/", 1, P_MULT, O_DIV)

FN("%", 1, P_MULT, O_MOD)

FN("+", 1, P_ADD, O_PLUS)

FN("-", 1, P_ADD, O_MINUS)

FN("&", 1, P_BAND, O_BAND)

FN("^", 1, P_BXOR, O_BXOR)

FN("|", 1, P_BOR, O_BOR)

FN("?", 1, P_TERN, O_TERN)

FN(",", 1, P_COMMA, O_COMMA)

/* things after this aren't used as binary operators */

/* unary that are not also binaries */

FN("~", 1, P_PRIMARY, O_BNOT)

FN("!", 1, P_PRIMARY, O_LNOT)

/* misc */

FN("(", 1, P_PRIMARY, OPEN_PAREN)

FN(")", 1, P_PRIMARY, CLOSE_PAREN)

FN(":", 1, P_PRIMARY, CTERN)

/* things that don't appear in the opinfo[] table */

F1(VAR)				/*XXX should be F2 */

F2(LIT)

F2(END)

F9(BAD)

#undef FN

#undef F0

#undef F1

#undef F2

#undef F9

#undef EXPRTOK_DEFNS

#undef EXPRTOK_ENUM

#undef EXPRTOK_NAME

#undef EXPRTOK_LEN

#undef EXPRTOK_PREC