120 lines
4.3 KiB
Plaintext
120 lines
4.3 KiB
Plaintext
/*********************************************************************************************************
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* Software License Agreement (BSD License) *
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* Author: Sebastien Decugis <sdecugis@freediameter.net> *
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* *
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* Copyright (c) 2013, WIDE Project and NICT *
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* All rights reserved. *
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* *
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* Redistribution and use of this software in source and binary forms, with or without modification, are *
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* permitted provided that the following conditions are met: *
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* *
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* * Redistributions of source code must retain the above *
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* copyright notice, this list of conditions and the *
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* following disclaimer. *
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* *
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* * Redistributions in binary form must reproduce the above *
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* copyright notice, this list of conditions and the *
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* following disclaimer in the documentation and/or other *
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* materials provided with the distribution. *
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* *
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* * Neither the name of the WIDE Project or NICT nor the *
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* names of its contributors may be used to endorse or *
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* promote products derived from this software without *
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* specific prior written permission of WIDE Project and *
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* NICT. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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*********************************************************************************************************/
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/* Tokenizer */
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%{
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#include "test_netemul.h"
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/* Include yacc tokens definitions */
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#include "test_netemul.tab.h"
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/* Update the column information */
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#define YY_USER_ACTION { \
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yylloc->first_column = yylloc->last_column + 1; \
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yylloc->last_column = yylloc->first_column + yyleng - 1; \
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}
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/* Avoid warning with newer flex */
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#define YY_NO_INPUT
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%}
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%option bison-bridge bison-locations
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%option noyywrap
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%option nounput
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%%
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/* Update the line count */
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\n {
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yylloc->first_line++;
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yylloc->last_line++;
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yylloc->last_column=0;
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}
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/* Eat all spaces but not new lines */
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([[:space:]]{-}[\n])+ ;
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/* Eat all comments */
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#.*$ ;
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/* Recognize floats */
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[[:digit:]]+"."[[:digit:]]* {
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/* Convert this to an integer value */
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int ret=0;
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ret = sscanf(yytext, "%f", &yylval->decimal);
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if (ret != 1) {
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/* No matching: an error occurred */
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fd_log_debug("Unable to convert the value '%s' to a valid float: %s", yytext, strerror(errno));
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return LEX_ERROR; /* trig an error in yacc parser */
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/* Maybe we could REJECT instead of failing here? */
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}
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return FLOAT;
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}
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/* Recognize simple integers */
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[[:digit:]]+ {
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/* Convert this to an integer value */
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int ret=0;
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ret = sscanf(yytext, "%lu", &yylval->ulong);
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if (ret != 1) {
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/* No matching: an error occurred */
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fd_log_debug("Unable to convert the value '%s' to a valid long: %s", yytext, strerror(errno));
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return LEX_ERROR; /* trig an error in yacc parser */
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/* Maybe we could REJECT instead of failing here? */
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}
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return ULONG;
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}
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/* The key words */
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(?i:"latency_average") { return LATENCY_AVERAGE; }
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(?i:"latency_deviation") { return LATENCY_DEVIATION; }
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(?i:"dupl_proba") { return DUPL_PROBA; }
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(?i:"ms") { return UNIT_MSEC; }
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(?i:"s") { return UNIT_SEC; }
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/* Valid single characters for yyparse */
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[=;%/] { return yytext[0]; }
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/* Unrecognized sequence, if it did not match any previous pattern */
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[^[:space:][:digit:]=;%/\n]+ {
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fd_log_debug("Unrecognized text on line %d col %d: '%s'.", yylloc->first_line, yylloc->first_column, yytext);
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return LEX_ERROR;
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}
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%%
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