--- /dev/null
+/*-
+ * 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
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