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%{
/*
* Copyright (C) 1999, 2000, 2001 Lorenzo Bettini
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
static int lineno = 1 ; /* number of scanned lines */
char linebuf[1024] ; /* current code line in the source */
int tokenpos = 0 ; // current token position in the current line
#include "tags.h"
#include "tokens.h"
#include "colors.h"
#include "genfun.h"
%}
%option prefix="java_scanner_"
%option noyywrap
ws [ ]+
tabs [\t]+
nl \n
cr \r
IDE [a-zA-Z_]([a-zA-Z0-9_])*
wspace [ \t\n\r]
STRING \"[^\"\n]*\"
not_alpha [^a-zA-Z0-9]
%s COMMENT_STATE
%s SINGLELINE_COMMENT
%s STRING_STATE
%s CHAR_STATE
keyword (abstract|assert|break|case|catch|class|const|continue|default|do|else|extends|final|finally|for|goto|if|implements|instanceof|interface|native|new|null|package|private|protected|public|return|static|super|switch|synchronized|throw|throws|this|transient|try|volatile|while)
basetype (int|byte|boolean|char|long|float|double|short|void)
symbol [\~\!\%\^\*\(\)\-\+\=\[\]\|\\\:\;\,\.\/\?\&\<\>]
funccall {IDE}/{wspace}*\(
%%
\r {}
<INITIAL>"/*" { BEGIN COMMENT_STATE ;
startComment( yytext ) ;
}
<INITIAL>"/*".*"*/" { generateComment( yytext ) ; }
<COMMENT_STATE>\n {
endComment ("");
++lineno;
generateNewLine() ;
if (true) {
startComment ("");
} else {
for (int i = 0; i < 10; ++i) {
; // do nothing, just to test the { }
}
}
/* if we encounter another // during a comment we simply
treat it as a ordinary string */
}
<COMMENT_STATE>"*/" { endComment(yytext) ;
BEGIN INITIAL ; /* end of the comment */ }
<INITIAL>"//" { BEGIN SINGLELINE_COMMENT ; startComment( yytext ) ; }
<SINGLELINE_COMMENT>\n {
BEGIN INITIAL ;
yyless (0); // put the \n back
endComment( yytext ) ;
/* if we encounter another // during a comment we simply
treat it as a ordinary string */
}
<INITIAL>\" { BEGIN STRING_STATE ; startString( yytext ); }
<STRING_STATE>\\\\ { generate_preproc( yytext ) ; }
<STRING_STATE>"\\\"" { generate_preproc( yytext ) ; }
<STRING_STATE>\n {
endString ("");
++lineno;
generateNewLine() ;
startString ("");
}
<STRING_STATE>\" { BEGIN INITIAL ; endString( yytext ) ; }
<INITIAL>\' { BEGIN CHAR_STATE ; startString( yytext ); }
<CHAR_STATE>\\\\ { generate_preproc( yytext ) ; }
<CHAR_STATE>"\\\'" { generate_preproc( yytext ) ; }
<CHAR_STATE>\' { BEGIN INITIAL ; endString( yytext ) ; }
<INITIAL>{keyword} { generateKeyWord( yytext ) ; }
<INITIAL>{basetype} { generateBaseType( yytext ) ; }
<INITIAL>{symbol} { generateSymbol( yytext ); }
<INITIAL>[\{\}] { generateCBracket ( yytext ); }
<INITIAL>0[xX][0-9a-fA-F]* { generateNumber( yytext ) ; }
<INITIAL>[0-9][0-9]*(\.[0-9]*[eE]?[-+]?[0-9]*)? { generateNumber( yytext ) ; }
<INITIAL>{keyword}/{wspace}*\( { generateKeyWord( yytext ) ; }
<INITIAL>{basetype}/{wspace}*\( { generateBaseType( yytext ) ; }
<INITIAL>{funccall} { generateFunction ( yytext ); }
<INITIAL>import { generatePreProc( yytext) ; }
<INITIAL>[a-zA-Z_]([a-zA-Z0-9_])* { generate_normal( yytext ) ; }
\t {
generateTab() ;
}
. { generate_preproc( yytext ) ; /* anything else */ }
\n {
++lineno;
generateNewLine() ;
}
%%
void yyerror( char *s ) ;
void yyerror( char *s )
{
fprintf( stderr, "%d: %s: %s\n%s\n", lineno, s, yytext, linebuf ) ;
fprintf( stderr, "%*s\n", tokenpos, "^" ) ;
}
void yyerror( const std::string &s )
{
yyerror(s.c_str());
}
/* vim:set ft=flex expandtab cindent tabstop=4 softtabstop=4 shiftwidth=4 textwidth=0: */
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