1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Awk -- data definitions 24 * 25 * Copyright (c) 1995 by Sun Microsystems, Inc. 26 * 27 * Copyright 1986, 1992 by Mortice Kern Systems Inc. All rights reserved. 28 * 29 * Based on MKS awk(1) ported to be /usr/xpg4/bin/awk with POSIX/XCU4 changes 30 */ 31 32 #include "awk.h" 33 #include "y.tab.h" 34 35 /* 36 * This file contains data definitions for awk. 37 */ 38 39 RESERVED reserved[] = { 40 s_BEGIN, KEYWORD, BEGIN, NULL, 41 s_END, KEYWORD, END, NULL, 42 M_MB_L("break"), KEYWORD, BREAK, NULL, 43 M_MB_L("continue"), KEYWORD, CONTINUE, NULL, 44 M_MB_L("for"), KEYWORD, FOR, NULL, 45 M_MB_L("if"), KEYWORD, IF, NULL, 46 M_MB_L("else"), KEYWORD, ELSE, NULL, 47 M_MB_L("in"), KEYWORD, IN, NULL, 48 s_next, KEYWORD, NEXT, NULL, 49 M_MB_L("while"), KEYWORD, WHILE, NULL, 50 M_MB_L("do"), KEYWORD, DO, NULL, 51 M_MB_L("print"), KEYWORD, PRINT, NULL, 52 M_MB_L("printf"), KEYWORD, PRINTF, NULL, 53 M_MB_L("return"), KEYWORD, RETURN, NULL, 54 M_MB_L("func"), KEYWORD, DEFFUNC, NULL, 55 M_MB_L("function"), KEYWORD, DEFFUNC, NULL, 56 M_MB_L("delete"), KEYWORD, DELETE, NULL, 57 M_MB_L("exit"), KEYWORD, EXIT, NULL, 58 s_FILENAME, VAR, 0, _null, 59 s_NF, SVAR, 0, NULL, 60 s_NR, VAR, 0, NULL, 61 s_FS, SVAR, 1, M_MB_L(" "), 62 s_OFS, VAR, 1, M_MB_L(" "), 63 s_ORS, VAR, 1, M_MB_L("\n"), 64 s_OFMT, VAR, 4, M_MB_L("%.6g"), 65 s_CONVFMT, VAR, 4, M_MB_L("%.6g"), 66 s_RS, SVAR, 1, M_MB_L("\n"), 67 s_FNR, VAR, 0, NULL, 68 s_SUBSEP, VAR, 1, 69 #ifdef M_AWK_SUBSEP 70 M_AWK_SUBSEP, 71 #else 72 M_MB_L("\34"), 73 #endif 74 s_ARGC, SVAR, 0, NULL, 75 (LOCCHARP)NULL 76 }; 77 78 RESFUNC resfuncs[] = { 79 s_exp, FUNC, f_exp, 80 s_getline, GETLINE, f_getline, 81 s_index, FUNC, f_index, 82 s_int, FUNC, f_int, 83 s_length, FUNC, f_length, 84 s_log, FUNC, f_log, 85 s_split, FUNC, f_split, 86 s_sprintf, FUNC, f_sprintf, 87 s_sqrt, FUNC, f_sqrt, 88 s_substr, FUNC, f_substr, 89 s_rand, FUNC, f_rand, 90 s_srand, FUNC, f_srand, 91 s_sin, FUNC, f_sin, 92 s_cos, FUNC, f_cos, 93 s_atan2, FUNC, f_atan2, 94 s_sub, FUNC, f_sub, 95 s_gsub, FUNC, f_gsub, 96 s_match, FUNC, f_match, 97 s_system, FUNC, f_system, 98 s_ord, FUNC, f_ord, 99 s_toupper, FUNC, f_toupper, 100 s_tolower, FUNC, f_tolower, 101 s_asort, FUNC, f_asort, 102 s_close, FUNC, f_close, 103 (LOCCHARP)NULL 104 }; 105 106 107 OFILE *ofiles; /* Remembered open files (print) */ 108 long NIOSTREAM = 512; /* max num of open file descriptors */ 109 110 111 112 113 wchar_t _null[] = M_MB_L(""); /* Empty string */ 114 char r[] = "r"; /* Read file mode */ 115 char w[] = "w"; /* Write file mode */ 116 wchar_t s_OFMT[] = M_MB_L("OFMT"); /* Name of "OFMT" variable */ 117 wchar_t s_CONVFMT[] = M_MB_L("CONVFMT"); /* Name of "CONVFMT" variable */ 118 wchar_t s_NR[] = M_MB_L("NR"); /* Name of "NR" variable */ 119 wchar_t s_NF[] = M_MB_L("NF"); /* Name of "NF" variable */ 120 wchar_t s_OFS[] = M_MB_L("OFS"); /* Name of "OFS" variable */ 121 wchar_t s_ORS[] = M_MB_L("ORS"); /* Name of "ORS" variable */ 122 wchar_t s_RS[] = M_MB_L("RS"); /* Name of "RS" variable */ 123 wchar_t s_FS[] = M_MB_L("FS"); /* Name of "FS" variable */ 124 wchar_t s_FNR[] = M_MB_L("FNR"); /* Name of "FNR" variable */ 125 wchar_t s_SUBSEP[] = M_MB_L("SUBSEP"); /* Name of "SUBSEP" variable */ 126 wchar_t s_ARGC[] = M_MB_L("ARGC"); /* Name of "ARGC" variable */ 127 wchar_t s_ARGV[] = M_MB_L("ARGV"); /* Name of "ARGV" array variable */ 128 wchar_t s_ENVIRON[] = M_MB_L("ENVIRON"); /* Name of "ENVIRON" array variable */ 129 wchar_t s_FILENAME[] = M_MB_L("FILENAME"); /* Name of "FILENAME" variable */ 130 wchar_t s_SYMTAB[] = M_MB_L("SYMTAB"); /* Name of "SYMTAB" variable */ 131 wchar_t s_BEGIN[] = M_MB_L("BEGIN"); /* Name of "BEGIN" action */ 132 wchar_t s_END[] = M_MB_L("END"); /* Name of "END" action */ 133 wchar_t s_next[] = M_MB_L("next"); /* Name of "next" keyword */ 134 wchar_t s_exp[] = M_MB_L("exp"); /* Name of "exp" function */ 135 wchar_t s_getline[] = M_MB_L("getline"); /* Name of "getline" function */ 136 wchar_t s_index[] = M_MB_L("index"); /* Name of "index" function */ 137 wchar_t s_int[] = M_MB_L("int"); /* Name of "int" function */ 138 wchar_t s_length[] = M_MB_L("length"); /* Name of "length" function */ 139 wchar_t s_log[] = M_MB_L("log"); /* Name of "log" function */ 140 wchar_t s_split[] = M_MB_L("split"); /* Name of "split" function */ 141 wchar_t s_sprintf[] = M_MB_L("sprintf"); /* Name of "sprintf" function */ 142 wchar_t s_sqrt[] = M_MB_L("sqrt"); /* Name of "sqrt" function */ 143 wchar_t s_substr[] = M_MB_L("substr"); /* Name of "substr" function */ 144 wchar_t s_rand[] = M_MB_L("rand"); /* Name of "rand" function */ 145 wchar_t s_srand[] = M_MB_L("srand"); /* Name of "srand" function */ 146 wchar_t s_sin[] = M_MB_L("sin"); /* Name of "sin" function */ 147 wchar_t s_cos[] = M_MB_L("cos"); /* Name of "cos" function */ 148 wchar_t s_atan2[] = M_MB_L("atan2"); /* Name of "atan" function */ 149 wchar_t s_sub[] = M_MB_L("sub"); /* Name of "sub" function */ 150 wchar_t s_gsub[] = M_MB_L("gsub"); /* Name of "gsub" function */ 151 wchar_t s_match[] = M_MB_L("match"); /* Name of "match" function */ 152 wchar_t s_system[] = M_MB_L("system"); /* Name of "system" function */ 153 wchar_t s_ord[] = M_MB_L("ord"); /* Name of "ord" function */ 154 wchar_t s_toupper[] = M_MB_L("toupper"); /* Name of "toupper" function */ 155 wchar_t s_tolower[] = M_MB_L("tolower"); /* Name of "tolower" function */ 156 wchar_t s_asort[] = M_MB_L("asort"); /* Name of "asort" function */ 157 wchar_t s_close[] = M_MB_L("close"); /* Name of "close" function */ 158 159 wchar_t redelim; /* Delimiter for regexp (yylex) */ 160 uchar_t inprint; /* Special meaning for '>' & '|' */ 161 uchar_t funparm; /* Defining function parameters */ 162 uchar_t splitdone; /* Line split into fields (fieldbuf) */ 163 uint npattern; /* Number of non-BEGIN patterns */ 164 uint nfield; /* Number of fields (if splitdone) */ 165 uint fcount; /* Field counter (used by blackfield)*/ 166 uint phase; /* BEGIN, END, or 0 */ 167 uint running = 0; /* Set if not in compile phase */ 168 uchar_t catterm; /* Can inject concat or ';' */ 169 uint lexlast = '\n'; /* Last lexical token */ 170 uint lineno = 0; /* Current programme line number */ 171 uchar_t doing_begin; /* set if compiling BEGIN block */ 172 uchar_t begin_getline; /* flags a getline was done in BEGIN */ 173 uchar_t needsplit; /* Set if $0 must be split when read */ 174 uchar_t needenviron; /* Set if ENVIRON variable referenced */ 175 ushort slevel; /* Scope level (0 == root) */ 176 ushort loopexit; /* Short circuit loop with keyword */ 177 wchar_t radixpoint; /* soft radix point for I18N */ 178 REGEXP resep; /* Field separator as regexp */ 179 wchar_t *linebuf = NULL; /* $0 buffer - malloc'd in awk1.c */ 180 size_t lbuflen; /* Length of linebuf */ 181 182 /* 183 * XXX - Make sure to check where this error message is printed 184 */ 185 char interr[] = "internal execution tree error at E string"; 186 char nomem[] = "insufficient memory for string storage"; 187 NODE *symtab[NBUCKET]; /* Heads of symbol table buckets */ 188 NODE *yytree; /* Code tree */ 189 NODE *freelist; /* Free every pattern {action} line */ 190 wchar_t *(*awkrecord) ANSI((wchar_t *, int, FILE*)) = defrecord; 191 /* Function to read a record */ 192 wchar_t *(*awkfield) ANSI((wchar_t **)) = whitefield; 193 /* Function to extract a field */ 194 195 /* 196 * Nodes used to speed up the execution of the 197 * interpreter. 198 */ 199 NODE *constant; /* Node to hold a constant INT */ 200 NODE *const0; /* Constant INT 0 node */ 201 NODE *const1; /* Constant INT 1 node */ 202 NODE *constundef; /* Undefined variable */ 203 NODE *field0; /* $0 */ 204 NODE *incNR; /* Code to increment NR variable */ 205 NODE *incFNR; /* Code to increment FNR variable */ 206 NODE *clrFNR; /* Zero FNR variable (each file) */ 207 NODE *ARGVsubi; /* Compute ARGV[i] */ 208 NODE *varNR; /* Remove search for NR variable */ 209 NODE *varFNR; /* Don't search for FNR variable */ 210 NODE *varNF; /* Pointer to NF variable */ 211 NODE *varOFMT; /* For s_prf */ 212 NODE *varCONVFMT; /* For internal conv of float to str */ 213 NODE *varOFS; /* For s_print */ 214 NODE *varORS; /* For s_print */ 215 NODE *varFS; /* Field separtor */ 216 NODE *varRS; /* Record separator */ 217 NODE *varARGC; /* Quick access to ARGC */ 218 NODE *varSUBSEP; /* Quick access to SUBSEP */ 219 NODE *varENVIRON; /* Pointer to ENVIRON variable */ 220 NODE *varSYMTAB; /* Symbol table special variable */ 221 NODE *varFILENAME; /* Node for FILENAME variable */ 222 NODE *curnode; /* Pointer to current line */ 223 NODE *inc_oper; /* used by INC/DEC in awk3.c */ 224 NODE *asn_oper; /* used by AADD, etc in awk3.c */ 225