protected <T> boolean match(
int bid, SequenceMatcher.MatchedStates<T> matchedStates, boolean consume) {
if (consume) {
// Get element and return if it matched or not
T node = matchedStates.get();
// TODO: Fix type checking
if (pattern.match(node)) {
// If matched, need to add next states to the queue of states to be processed
matchedStates.addStates(bid, next);
return true;
} else {
return false;
}
} else {
// Not consuming element - add this state back to queue of states to be processed
// This state was not successfully matched
matchedStates.addState(bid, this);
return false;
}
}
public final NodePattern Description(GraphRelation r) throws ParseException {
Token name = null;
boolean link = false;
boolean isRoot = false;
boolean isEmpty = false;
Token attr = null;
Token value = null;
Map<String, String> attributes = Generics.newHashMap();
NodePattern pat;
jj_consume_token(23);
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk) {
case IDENTIFIER:
{
attr = jj_consume_token(IDENTIFIER);
jj_consume_token(12);
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk) {
case IDENTIFIER:
{
value = jj_consume_token(IDENTIFIER);
break;
}
case REGEX:
{
value = jj_consume_token(REGEX);
break;
}
default:
jj_la1[22] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
if (attr != null && value != null) attributes.put(attr.image, value.image);
label_6:
while (true) {
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk) {
case 24:
{;
break;
}
default:
jj_la1[23] = jj_gen;
break label_6;
}
jj_consume_token(24);
attr = jj_consume_token(IDENTIFIER);
jj_consume_token(12);
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk) {
case IDENTIFIER:
{
value = jj_consume_token(IDENTIFIER);
break;
}
case REGEX:
{
value = jj_consume_token(REGEX);
break;
}
default:
jj_la1[24] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
if (attr != null && value != null) attributes.put(attr.image, value.image);
}
jj_consume_token(25);
break;
}
case ROOT:
{
attr = jj_consume_token(ROOT);
jj_consume_token(25);
isRoot = true;
break;
}
case EMPTY:
{
attr = jj_consume_token(EMPTY);
jj_consume_token(25);
isEmpty = true;
break;
}
case 25:
{
jj_consume_token(25);
break;
}
default:
jj_la1[25] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? jj_ntk_f() : jj_ntk) {
case 22:
{
jj_consume_token(22);
link = true;
name = jj_consume_token(IDENTIFIER);
String nodeName = name.image;
if (underNegation) {
if (!knownVariables.contains(nodeName)) {
{
if (true)
throw new ParseException(
"Cannot add new variable names under negation. Node '"
+ nodeName
+ "' not seen before");
}
}
} else {
knownVariables.add(nodeName);
}
break;
}
default:
jj_la1[26] = jj_gen;
;
}
pat =
new NodePattern(
r, underNodeNegation, attributes, isRoot, isEmpty, name != null ? name.image : null);
if (link) pat.makeLink();
{
if ("" != null) return pat;
}
throw new Error("Missing return statement in function");
}