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|
header "pre_include_hpp" {
#include <string>
using namespace std;
#include "parser.h"
}
options {
language="Cpp";
}
{
#include <iostream>
#include "GettextLexer.h"
#include "GettextParser.h"
#include "antlr/AST.h"
#include "antlr/CommonAST.h"
/*
int main()
{
ANTLR_USING_NAMESPACE(std)
ANTLR_USING_NAMESPACE(antlr)
try {
GettextLexer lexer(cin);
GettextParser parser(lexer);
parser.file();
} catch(exception& e) {
cerr << "exception: " << e.what() << endl;
}
}
*/
}
class GettextParser extends Parser;
options {
codeGenMakeSwitchThreshold = 3;
codeGenBitsetTestThreshold = 4;
}
file returns [ MsgList ml ]
{
string c, mi, ms;
MsgBlock mb;
MsgList ml2;
}
: (comment T_MSGID) => (mb=file_block ml2=file { ml = ml2; ml.append(mb); } )
| (comment EOF) => c=comment { (void)c; }
;
file_block returns [ MsgBlock mb ]
{
string c, mi, mip, ms;
}
: c=comment mi=msgid
(
( ms=msgstr {
mb.comment = QString::fromUtf8(c.c_str());
mb.msgid = QString::fromUtf8(mi.c_str());
mb.msgstr = QString::fromUtf8(ms.c_str());
}
)
|
( mip=msgid_plural ms=msgstr_plural {
mb.comment = QString::fromUtf8(c.c_str());
mb.msgid = QString::fromUtf8(mi.c_str());
mb.msgid_plural = QString::fromUtf8(mip.c_str());
mb.msgstr = QString::fromUtf8(ms.c_str());
}
)
)
;
comment returns [string s]
{
string r;
}
: (c:T_COMMENT r=comment { s = c->getText() + r; } )
| /* nothing */
;
msgid returns [string s]
: T_MSGID t:T_STRING { s = t->getText(); }
;
msgid_plural returns [string s]
: T_MSGID_PLURAL t:T_STRING { s = t->getText(); }
;
msgstr returns [string s]
: T_MSGSTR t:T_STRING { s = t->getText(); }
;
msgstr_plural returns [string s]
: (
T_MSGSTR L_BRACKET n:T_INT R_BRACKET t:T_STRING { s = t->getText(); }
)+
;
class GettextLexer extends Lexer;
options {
charVocabulary = '\u0000'..'\u00FF';
testLiterals=false; // don't automatically test for literals
}
WS
: (' ' | '\t'
| ('\n' | "\r\n") { newline(); }
) { $setType(ANTLR_USE_NAMESPACE(antlr)Token::SKIP); }
;
L_BRACKET: '[' ;
R_BRACKET: ']' ;
T_INT : ( '0'..'9' )+
;
T_COMMENT : '#' (~'\n')*
;
MSG_TAG : "msg" ( ("id") (
"" { $setType(T_MSGID); }
| "_plural" { $setType(T_MSGID_PLURAL); }
)
| "str" { $setType(T_MSGSTR); }
)
;
T_STRING
: ('"'! (ESC|~'"')* ('"'! (' ' | 't')*! '\n'! { newline(); } (' '! | '\t'!)*))+
;
// copied from example
protected
ESC : '\\'
( 'n'
| 'r'
| 't'
| 'b'
| 'f'
| '"'
| '\''
| '\\'
| ('0'..'3')
(
options {
warnWhenFollowAmbig = false;
}
: ('0'..'9')
(
options {
warnWhenFollowAmbig = false;
}
: '0'..'9'
)?
)?
| ('4'..'7')
(
options {
warnWhenFollowAmbig = false;
}
: ('0'..'9')
)?
)
;
|
