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/*
Copyright (C) 1999 Stefan Westerfeld
[email protected]
Copyright (C) 1999 Torben Weis <[email protected]>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
%{
/*
This is the lex file for mcopidl. It is based on the dcopidl (kidl)
lex file, which was written by Torben Weis.
*/
#define YY_NO_UNPUT
#define YY_NEVER_INTERACTIVE 1
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "common.h"
using namespace std;
using namespace Arts;
#ifndef KDE_USE_FINAL
#include "yacc.cc.h"
#endif
extern int idl_line_no;
int comment_mode;
static long ascii_to_longlong( long base, const char *s )
{
long ll = 0;
while( *s != '\0' ) {
char c = *s++;
if( c >= 'a' )
c -= 'a' - 'A';
c -= '0';
if( c > 9 )
c -= 'A' - '0' - 10;
ll = ll * base + c;
}
return ll;
}
extern void startInclude(const char *line);
extern void endInclude();
%}
%option noyywrap
/*--------------------------------------------------------------------------*/
Digits [0-9]+
Oct_Digit [0-7]
Hex_Digit [a-fA-F0-9]
Int_Literal [1-9][0-9]*
Oct_Literal 0{Oct_Digit}*
Hex_Literal (0x|0X){Hex_Digit}*
Esc_Sequence1 "\\"[ntvbrfa\\\?\'\"]
Esc_Sequence2 "\\"{Oct_Digit}{1,3}
Esc_Sequence3 "\\"(x|X){Hex_Digit}{1,2}
Esc_Sequence ({Esc_Sequence1}|{Esc_Sequence2}|{Esc_Sequence3})
Char ([^\n\t\"\'\\]|{Esc_Sequence})
Char_Literal "'"({Char}|\")"'"
String_Literal \"({Char}|"'")*\"
Float_Literal1 {Digits}"."{Digits}(e|E)("+"|"-")?{Digits}
Float_Literal2 {Digits}(e|E)("+"|"-")?{Digits}
Float_Literal3 {Digits}"."{Digits}
Float_Literal4 "."{Digits}
Float_Literal5 "."{Digits}(e|E)("+"|"-")?{Digits}
/*--------------------------------------------------------------------------*/
Kidl_Identifier [_a-zA-Z][a-zA-Z0-9_]*
Qualified_Identifier ("::")?[_a-zA-Z](("::")?[a-zA-Z0-9_])*
/*--------------------------------------------------------------------------*/
%%
[ \t] ;
[\n] { idl_line_no++; }
"/\*" { comment_mode = 1; }
"\*/" { if (!comment_mode) { REJECT; } else { comment_mode = 0; } }
[^\n*]* { if (!comment_mode) { REJECT; } }
"*" { if (!comment_mode) { REJECT; } }
"//"[^\n]* ;
"#startinclude"[^\n]* { startInclude(yytext); }
"#endinclude"[^\n]* { endInclude(); }
"{" return T_LEFT_CURLY_BRACKET;
"}" return T_RIGHT_CURLY_BRACKET;
"(" return T_LEFT_PARANTHESIS;
")" return T_RIGHT_PARANTHESIS;
"<" return T_LESS;
">" return T_GREATER;
"," return T_COMMA;
";" return T_SEMICOLON;
":" return T_COLON;
"=" return T_EQUAL;
void return T_VOID;
byte return T_BYTE;
long return T_LONG;
boolean return T_BOOLEAN;
string return T_STRING;
object return T_OBJECT;
struct return T_STRUCT;
interface return T_INTERFACE;
module return T_MODULE;
"enum" return T_ENUM;
attribute return T_ATTRIBUTE;
sequence return T_SEQUENCE;
readonly return T_READONLY;
in return T_IN;
out return T_OUT;
audio return T_AUDIO;
float return T_FLOAT;
stream return T_STREAM;
multi return T_MULTI;
async return T_ASYNC;
oneway return T_ONEWAY;
default return T_DEFAULT;
{Kidl_Identifier} {
yylval._str = strdup(yytext); // TAKE CARE: free that thing
return T_IDENTIFIER;
}
{Qualified_Identifier} {
yylval._str = strdup(yytext); // TAKE CARE: free that thing
return T_QUALIFIED_IDENTIFIER;
}
{Int_Literal} {
yylval._int = ascii_to_longlong( 10, yytext );
return T_INTEGER_LITERAL;
}
{Oct_Literal} {
yylval._int = ascii_to_longlong( 8, yytext );
return T_INTEGER_LITERAL;
}
{Hex_Literal} {
yylval._int = ascii_to_longlong( 16, yytext + 2 );
return T_INTEGER_LITERAL;
}
. {
return T_UNKNOWN;
}
%%
void mcopidlInitFlex( const char *_code )
{
comment_mode = 0;
yy_switch_to_buffer( yy_scan_string( _code ) );
}
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