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authorbecquet2007-05-10 18:49:20 +0000
committerbecquet2007-05-10 18:49:20 +0000
commit8f486613be58ced269db1d437e560c16558604e8 (patch)
tree41e94b2122a118cb06abf6fc2a0038cd1dfbec4a /i/chuck/src/parser/yylexer.ll
parent4daa2c76c2a028e4b2c8ab379e7d1e0f535a0a31 (diff)
Création de chuck, le programme du robot 2007.
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+%{
+// marvin - programme du robot 2006. {{{
+//
+// Copyright (C) 2006 Nicolas Schodet
+//
+// Robot APB Team/Efrei 2006.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+#include "parser/parser.hh"
+#include "yyparser.hh"
+%}
+
+%option reentrant
+%option header-file="yylexer.hh"
+%option outfile="yylexer.cc"
+%option bison-bridge
+%option noyywrap nodefault nounput
+
+%x strst
+
+INTDEC [+-]?[0-9]+
+INTHEX "0x"[0-9a-fA-F]+
+INTNUM {INTDEC}|{INTHEX}
+DOUBLEEX [eE]{INTDEC}
+DOUBLE1 [+-]?\.[0-9]+{DOUBLEEX}?
+DOUBLE2 [+-]?[0-9]+\.[0-9]*{DOUBLEEX}?
+DOUBLE3 {INTDEC}{DOUBLEEX}
+DOUBLENUM {DOUBLE1}|{DOUBLE2}|{DOUBLE3}
+
+%%
+
+"true"|"on"|"yes" {
+ yylval->b = true;
+ return BOOLEAN;
+}
+
+"false"|"off"|"no" {
+ yylval->b = false;
+ return BOOLEAN;
+}
+
+"'"\\n"'" {
+ yylval->c = '\n';
+ return CHAR;
+}
+"'"\\r"'" {
+ yylval->c = '\r';
+ return CHAR;
+}
+"'"\\t"'" {
+ yylval->c = '\t';
+ return CHAR;
+}
+"'"\\."'" {
+ yylval->c = yytext[1];
+ return CHAR;
+}
+"'"\\\n"'" {
+ yyextra->line++;
+ yylval->c = yytext[1];
+ return CHAR;
+}
+"'"."'" {
+ yylval->c = yytext[1];
+ return CHAR;
+}
+
+[a-zA-Z][_a-zA-Z0-9.-]* {
+ yylval->s = new std::string (yytext);
+ return ID;
+}
+
+{DOUBLENUM} {
+ yylval->d = strtod (yytext, 0);
+ return DOUBLE;
+}
+
+{INTNUM} {
+ yylval->i = strtol (yytext, 0, 0);
+ return INT;
+}
+
+\" {
+ BEGIN(strst);
+ yyextra->tmp.clear ();
+}
+
+\n {
+ yyextra->line++;
+ return SEP;
+}
+
+; {
+ return SEP;
+}
+
+[=()] return yytext[0];
+
+[ \t]+ /* Skip. */
+#.* /* Skip comments. */
+
+. {
+ yyextra->error (std::string ("unexpected character \'") \
+ + yytext[0] + '\'');
+ return UNKNOWN;
+}
+
+<strst>\" {
+ BEGIN (INITIAL);
+ yylval->s = new std::string (yyextra->tmp);
+ return STRING;
+}
+
+<strst>\\n yyextra->tmp += '\n';
+<strst>\\r yyextra->tmp += '\r';
+<strst>\\t yyextra->tmp += '\t';
+<strst>\\. yyextra->tmp += yytext[1];
+<strst>\\\n {
+ yyextra->line++;
+ yyextra->tmp += yytext[1];
+}
+<strst>. yyextra->tmp += yytext[0];
+<strst>\n {
+ yyextra->error ("unexpected end of line inside string");
+ yyextra->line++;
+ return UNKNOWN;
+}
+
+%%
+
+/* vim:ft=lex:
+*/