1 %{ 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License, Version 1.0 only 7 * (the "License"). You may not use this file except in compliance 8 * with the License. 9 * 10 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 11 * or http://www.opensolaris.org/os/licensing. 12 * See the License for the specific language governing permissions 13 * and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL HEADER in each 16 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17 * If applicable, add the following below this CDDL HEADER, with the 18 * fields enclosed by brackets "[]" replaced with your own identifying 19 * information: Portions Copyright [yyyy] [name of copyright owner] 20 * 21 * CDDL HEADER END 22 * 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <stdio.h> 28 #include <stdarg.h> 29 #include <string.h> 30 #include <errno.h> 31 32 #include <inj.h> 33 #include <inj_lex.h> 34 #include <inj_string.h> 35 #include <inj_event.h> 36 #include <inj_grammar.h> 37 38 int yynerrors; 39 const char *yyinname; 40 41 %} 42 43 /* 44 * S0 is for normal input processing. SCOMMENT is used to process comments. 45 * We need a separate state for comments to prevent the lex regexp engine from 46 * overflowing its own buffers as it searches for the end of comments. 47 */ 48 %s S0 SCOMMENT 49 50 RGX_IMM_SEQ -?([0-9]+|0[xX][0-9A-Fa-f]+) 51 RGX_STR_SEQ ([^"\\\n]|\\[^"\n]|\\\")* 52 RGX_IDENT [a-zA-Z][a-zA-Z0-9\-_]* 53 54 %% 55 56 <S0>"/*" { BEGIN(SCOMMENT); } 57 <SCOMMENT>.|\n ; /* discard */ 58 <SCOMMENT>"*/" { BEGIN(S0); } 59 60 <S0>evdef { return (INJ_TOK_EVDEF); } 61 <S0>fmridef { return (INJ_TOK_FMRIDEF); } 62 <S0>authdef { return (INJ_TOK_AUTHDEF); } 63 <S0>listdef { return (INJ_TOK_LISTDEF); } 64 65 <S0>int8_t { return (INJ_TOK_INT8); } 66 <S0>int16_t { return (INJ_TOK_INT16); } 67 <S0>int32_t { return (INJ_TOK_INT32); } 68 <S0>int64_t { return (INJ_TOK_INT64); } 69 <S0>uint8_t { return (INJ_TOK_UINT8); } 70 <S0>uint16_t { return (INJ_TOK_UINT16); } 71 <S0>uint32_t { return (INJ_TOK_UINT32); } 72 <S0>uint64_t { return (INJ_TOK_UINT64); } 73 <S0>boolean { return (INJ_TOK_BOOLEAN); } 74 <S0>boolean_t { return (INJ_TOK_BOOLEAN); } 75 <S0>string { return (INJ_TOK_STRING); } 76 <S0>enum { return (INJ_TOK_ENUM); } 77 78 <S0>event { return (INJ_TOK_EVENT); } 79 <S0>fmri { return (INJ_TOK_FMRI); } 80 <S0>auth { return (INJ_TOK_AUTH); } 81 <S0>list { return (INJ_TOK_LIST); } 82 83 <S0>addhrtime { return (INJ_TOK_ADDHRT); } 84 <S0>endhrtime { return (INJ_TOK_ENDHRT); } 85 <S0>sleep { return (INJ_TOK_SLEEP); } 86 <S0>repeat { return (INJ_TOK_REPEAT); } 87 <S0>randomize { return (INJ_TOK_RANDOMIZE); } 88 89 <S0>\"{RGX_STR_SEQ}$ { yyerror("syntax error: \" unmatched"); } 90 91 <S0>\"{RGX_STR_SEQ}\" { 92 /* Quoted string */ 93 yylval.l_string = inj_strndup(yytext + 1, yyleng - 2); 94 return (INJ_TOK_QSTRING); 95 } 96 97 <S0>{RGX_IDENT}("."{RGX_IDENT})+ { 98 yylval.l_string = inj_strdup(yytext); 99 return (INJ_TOK_FMACLASS); 100 } 101 102 <S0>{RGX_IDENT} { 103 yylval.l_string = inj_strdup(yytext); 104 return (INJ_TOK_IDENT); 105 } 106 107 <S0>{RGX_IMM_SEQ} { 108 yylval.l_string = inj_strdup(yytext); 109 return (INJ_TOK_IMM); 110 } 111 112 <S0>[ \t\n] ; /* Ignore whitespace */ 113 114 . { return (yytext[0]); } 115 116 %% 117 118 void 119 yyerror(const char *format, ...) 120 { 121 int err = errno; 122 va_list ap; 123 char *s; 124 125 /* Don't print the line number if the message begins with a space */ 126 if (*format == ' ') { 127 (void) fprintf(stderr, "%s: ", yyinname, yylineno); 128 format++; 129 } else 130 (void) fprintf(stderr, "%s: %d: ", yyinname, yylineno); 131 132 va_start(ap, format); 133 (void) vfprintf(stderr, format, ap); 134 va_end(ap); 135 136 if (strchr(format, '\n') == NULL) 137 (void) fprintf(stderr, " near \"%s\"\n", yytext); 138 139 yynerrors++; 140 errno = err; 141 } 142 143 int 144 yywrap(void) 145 { 146 return (1); 147 } 148 149 void 150 yyreset(void) 151 { 152 BEGIN(S0); 153 } 154