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grammar: Support escaping backticks using double backticks
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This adds support for escaping backticks inside an identifier using
backticks as quote characters by adding a second backtick following the
first one (e.g. `test``test`  => 'test`test').
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@MKleusberg
MKleusberg committed Aug 16, 2015
1 parent 282c439 commit 160bc87
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Showing 3 changed files with 79 additions and 73 deletions.
62 changes: 34 additions & 28 deletions src/grammar/Sqlite3Lexer.cpp
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Expand Up @@ -472,17 +472,23 @@ void Sqlite3Lexer::mQUOTEDID(bool _createToken) {
match(L'`' /* charlit */ );
{ // ( ... )*
for (;;) {
if ((_tokenSet_0.member(LA(1)))) {
if ((LA(1) == 0x60 /* '`' */ ) && (LA(2) == 0x60 /* '`' */ )) {
{
match(L'`' /* charlit */ );
match(L'`' /* charlit */ );
}
}
else if ((_tokenSet_0.member(LA(1)))) {
{
match(_tokenSet_0);
}
}
else {
goto _loop10;
goto _loop11;
}

}
_loop10:;
_loop11:;
} // ( ... )*
match(L'`' /* charlit */ );
break;
Expand All @@ -498,11 +504,11 @@ void Sqlite3Lexer::mQUOTEDID(bool _createToken) {
}
}
else {
goto _loop13;
goto _loop14;
}

}
_loop13:;
_loop14:;
} // ( ... )*
match(L']' /* charlit */ );
break;
Expand Down Expand Up @@ -538,11 +544,11 @@ void Sqlite3Lexer::mQUOTEDLITERAL(bool _createToken) {
matchNot(L'\"' /* charlit */ );
}
else {
goto _loop17;
goto _loop18;
}

}
_loop17:;
_loop18:;
} // ( ... )*
match(L'\"' /* charlit */ );
if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
Expand Down Expand Up @@ -572,18 +578,18 @@ void Sqlite3Lexer::mNUMERIC(bool _createToken) {
case 0x39 /* '9' */ :
{
{ // ( ... )+
int _cnt21=0;
int _cnt22=0;
for (;;) {
if (((LA(1) >= 0x30 /* '0' */ && LA(1) <= 0x39 /* '9' */ ))) {
mDIGIT(false);
}
else {
if ( _cnt21>=1 ) { goto _loop21; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
if ( _cnt22>=1 ) { goto _loop22; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
}

_cnt21++;
_cnt22++;
}
_loop21:;
_loop22:;
} // ( ... )+
{
if ((LA(1) == 0x2e /* '.' */ )) {
Expand All @@ -594,11 +600,11 @@ void Sqlite3Lexer::mNUMERIC(bool _createToken) {
mDIGIT(false);
}
else {
goto _loop24;
goto _loop25;
}

}
_loop24:;
_loop25:;
} // ( ... )*
}
else {
Expand All @@ -612,18 +618,18 @@ void Sqlite3Lexer::mNUMERIC(bool _createToken) {
match(L'.' /* charlit */ );
_ttype=DOT;
{ // ( ... )+
int _cnt26=0;
int _cnt27=0;
for (;;) {
if (((LA(1) >= 0x30 /* '0' */ && LA(1) <= 0x39 /* '9' */ ))) {
mDIGIT(false);
}
else {
if ( _cnt26>=1 ) { goto _loop26; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
if ( _cnt27>=1 ) { goto _loop27; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
}

_cnt26++;
_cnt27++;
}
_loop26:;
_loop27:;
} // ( ... )+
break;
}
Expand Down Expand Up @@ -668,18 +674,18 @@ void Sqlite3Lexer::mNUMERIC(bool _createToken) {
}
}
{ // ( ... )+
int _cnt30=0;
int _cnt31=0;
for (;;) {
if (((LA(1) >= 0x30 /* '0' */ && LA(1) <= 0x39 /* '9' */ ))) {
mDIGIT(false);
}
else {
if ( _cnt30>=1 ) { goto _loop30; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
if ( _cnt31>=1 ) { goto _loop31; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
}

_cnt30++;
_cnt31++;
}
_loop30:;
_loop31:;
} // ( ... )+
}
else {
Expand Down Expand Up @@ -773,11 +779,11 @@ void Sqlite3Lexer::mCOMMENT(bool _createToken) {
}
}
else {
goto _loop37;
goto _loop38;
}

}
_loop37:;
_loop38:;
} // ( ... )*
mNL(false);
newline();
Expand All @@ -790,7 +796,7 @@ void Sqlite3Lexer::mCOMMENT(bool _createToken) {
{ // ( ... )*
for (;;) {
// nongreedy exit test
if ((LA(1) == 0x2a /* '*' */ ) && (LA(2) == 0x2f /* '/' */ )) goto _loop40;
if ((LA(1) == 0x2a /* '*' */ ) && (LA(2) == 0x2f /* '/' */ )) goto _loop41;
if ((_tokenSet_3.member(LA(1))) && ((LA(2) >= 0x0 /* '\0' */ && LA(2) <= 0xfffe))) {
{
match(_tokenSet_3);
Expand All @@ -801,11 +807,11 @@ void Sqlite3Lexer::mCOMMENT(bool _createToken) {
newline();
}
else {
goto _loop40;
goto _loop41;
}

}
_loop40:;
_loop41:;
} // ( ... )*
match(L'*' /* charlit */ );
match(L'/' /* charlit */ );
Expand Down Expand Up @@ -887,11 +893,11 @@ void Sqlite3Lexer::mSTRINGLITERAL(bool _createToken) {
matchNot(L'\'' /* charlit */ );
}
else {
goto _loop46;
goto _loop47;
}

}
_loop46:;
_loop47:;
} // ( ... )*
match(L'\'' /* charlit */ );
if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
Expand Down

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