/**
* It is called when parser enters grammar rule (bit), it perform validations and updates the data
* model tree.
*
* @param listener listener's object
* @param ctx context object of the grammar rule
*/
public static void processBitEntry(
TreeWalkListener listener, GeneratedYangParser.BitStatementContext ctx) {
// Check for stack to be non empty.
checkStackIsNotEmpty(listener, MISSING_HOLDER, BIT_DATA, ctx.identifier().getText(), ENTRY);
String identifier = getValidIdentifier(ctx.identifier().getText(), BIT_DATA, ctx);
YangBit bitNode = new YangBit();
bitNode.setBitName(identifier);
listener.getParsedDataStack().push(bitNode);
}
/**
* It is called when parser exits from grammar rule (bit), it perform validations and update the
* data model tree.
*
* @param listener Listener's object
* @param ctx context object of the grammar rule
*/
public static void processBitExit(
TreeWalkListener listener, GeneratedYangParser.BitStatementContext ctx) {
// Check for stack to be non empty.
checkStackIsNotEmpty(listener, MISSING_HOLDER, BIT_DATA, ctx.identifier().getText(), EXIT);
Parsable tmpBitNode = listener.getParsedDataStack().peek();
if (tmpBitNode instanceof YangBit) {
listener.getParsedDataStack().pop();
// Check for stack to be non empty.
checkStackIsNotEmpty(listener, MISSING_HOLDER, BIT_DATA, ctx.identifier().getText(), EXIT);
Parsable tmpNode = listener.getParsedDataStack().peek();
switch (tmpNode.getYangConstructType()) {
case BITS_DATA:
{
YangBits yangBits = (YangBits) tmpNode;
if (ctx.bitBodyStatement() == null
|| ctx.bitBodyStatement().positionStatement() == null) {
int maxPosition = 0;
boolean isPositionPresent = false;
for (YangBit curBit : yangBits.getBitSet()) {
if (maxPosition <= curBit.getPosition()) {
maxPosition = curBit.getPosition();
isPositionPresent = true;
}
}
if (isPositionPresent) {
maxPosition++;
}
((YangBit) tmpBitNode).setPosition(maxPosition);
}
try {
yangBits.addBitInfo((YangBit) tmpBitNode);
} catch (DataModelException e) {
ParserException parserException =
new ParserException(
constructExtendedListenerErrorMessage(
INVALID_CONTENT,
BIT_DATA,
ctx.identifier().getText(),
EXIT,
e.getMessage()));
parserException.setLine(ctx.getStart().getLine());
parserException.setCharPosition(ctx.getStart().getCharPositionInLine());
throw parserException;
}
break;
}
default:
throw new ParserException(
constructListenerErrorMessage(
INVALID_HOLDER, BIT_DATA, ctx.identifier().getText(), EXIT));
}
} else {
throw new ParserException(
constructListenerErrorMessage(
MISSING_CURRENT_HOLDER, BIT_DATA, ctx.identifier().getText(), EXIT));
}
}