/*- * Copyright (c) 2016, 2020 * mirabilos * * 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