/**Make sure current lookahead symbol matches the given set
* Throw an exception upon mismatch, which is catch by either the
* error handler or by the syntactic predicate.
*/
void Parser::match(const BitSet& b)
{
if ( DEBUG_PARSER )
std::cout << "enter match(" << "bitset" /*b.toString()*/
<< ") with LA(1)=" << LA(1) << std::endl;
if ( !b.member(LA(1)) ) {
if ( DEBUG_PARSER )
std::cout << "token mismatch: " << LA(1) << " not member of "
<< "bitset" /*b.toString()*/ << std::endl;
throw MismatchedTokenException(tokenNames, LT(1), b, false);
} else {
// mark token as consumed -- fetch next token deferred until LA/LT
consume();
}
}
/**Make sure current lookahead symbol matches the given set
* Throw an exception upon mismatch, which is catch by either the
* error handler or by the syntactic predicate.
*/
void Parser::match(const BitSet& b)
{
if ( DEBUG_PARSER )
{
traceIndent();
ANTLR_USE_NAMESPACE(std)cout << "enter match(" << "bitset" /*b.toString()*/
<< ") with LA(1)=" << LA(1) << ANTLR_USE_NAMESPACE(std)endl;
}
if ( !b.member(LA(1)) ) {
if ( DEBUG_PARSER )
{
traceIndent();
ANTLR_USE_NAMESPACE(std)cout << "token mismatch: " << LA(1) << " not member of "
<< "bitset" /*b.toString()*/ << ANTLR_USE_NAMESPACE(std)endl;
}
throw MismatchedTokenException(getTokenNames(), getNumTokens(), LT(1), b, false, getFilename());
} else {
// mark token as consumed -- fetch next token deferred until LA/LT
consume();
}
}
/** Consume tokens until one matches the given token set */
void Parser::consumeUntil(const BitSet& set)
{
while (LA(1) != Token::EOF_TYPE && !set.member(LA(1)))
consume();
}
/** Make sure current lookahead symbol matches the given set
* Throw an exception upon mismatch, which is caught by either the
* error handler or by the syntactic predicate.
*/
void TreeParser::match(RefAST t, const BitSet& b)
{
if ( !t || t==ASTNULL || !b.member(t->getType()) )
throw MismatchedTokenException( getTokenNames(), getNumTokens(),
t, b, false );
}
/**Make sure current lookahead symbol matches the given set
* Throw an exception upon mismatch, which is caught by either the
* error handler or by the syntactic predicate.
*/
void TreeParser::match(RefAST t, const BitSet& b)
{
if ( !t || t==ASTNULL || !b.member(t->getType()) ) {
throw MismatchedTokenException();
}
}
