| /*- |
| * Copyright (c) 2016, 2020 |
| * mirabilos <[email protected]> |
| * |
| * 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 1.4 2020/04/07 11:56:46 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 */ |
| F0("++", 2, P_PRIMARY, O_PLUSPLUS) /* 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 |
