static pANTLR3_BASE_TREE
newUpNode (pANTLR3_COMMON_TREE_NODE_STREAM ctns)
{
pANTLR3_COMMON_TREE uNode;
pANTLR3_COMMON_TOKEN token;
token = antlr3CommonTokenNew(ANTLR3_TOKEN_UP);
token->text = ctns->stringFactory->newPtr(ctns->stringFactory, (pANTLR3_UINT8)"UP", 2);
uNode = antlr3CommonTreeNewFromToken(token);
return &(uNode->baseTree);
}
static pANTLR3_BASE_TREE
newDownNode (pANTLR3_COMMON_TREE_NODE_STREAM ctns)
{
pANTLR3_COMMON_TREE dNode;
pANTLR3_COMMON_TOKEN token;
token = antlr3CommonTokenNew(ANTLR3_TOKEN_DOWN);
token->text = ctns->stringFactory->newPtr(ctns->stringFactory, (pANTLR3_UINT8)"DOWN", 4);
dNode = antlr3CommonTreeNewFromToken(token);
return &(dNode->baseTree);
}
static pANTLR3_BASE_TREE
newUpNode (pANTLR3_COMMON_TREE_NODE_STREAM ctns)
{
pANTLR3_COMMON_TREE uNode;
pANTLR3_COMMON_TOKEN token;
token = antlr3CommonTokenNew(ANTLR3_TOKEN_UP);
token->textState = ANTLR3_TEXT_CHARP;
token->tokText.chars = (pANTLR3_UCHAR)"UP";
uNode = antlr3CommonTreeNewFromToken(token);
return &(uNode->baseTree);
}
ANTLR3_API pANTLR3_COMMON_TREE_NODE_STREAM
antlr3CommonTreeNodeStreamNew(pANTLR3_STRING_FACTORY strFactory, ANTLR3_UINT32 hint)
{
pANTLR3_COMMON_TREE_NODE_STREAM stream;
pANTLR3_COMMON_TOKEN token;
// Memory for the interface structure
//
stream = (pANTLR3_COMMON_TREE_NODE_STREAM) ANTLR3_CALLOC(1, sizeof(ANTLR3_COMMON_TREE_NODE_STREAM));
if (stream == NULL)
{
return NULL;
}
// String factory for tree walker
//
stream->stringFactory = strFactory;
// Create an adaptor for the common tree node stream
//
stream->adaptor = ANTLR3_TREE_ADAPTORNew(strFactory);
if (stream->adaptor == NULL)
{
stream->free(stream);
return NULL;
}
// Create space for the tree node stream interface
//
stream->tnstream = antlr3TreeNodeStreamNew();
if (stream->tnstream == NULL)
{
stream->adaptor->free (stream->adaptor);
stream->free (stream);
return NULL;
}
// Create space for the INT_STREAM interface
//
stream->tnstream->istream = antlr3IntStreamNew();
if (stream->tnstream->istream == NULL)
{
stream->adaptor->free (stream->adaptor);
stream->tnstream->free (stream->tnstream);
stream->free (stream);
return NULL;
}
// Install the common tree node stream API
//
stream->addNavigationNode = addNavigationNode;
stream->hasUniqueNavigationNodes = hasUniqueNavigationNodes;
stream->newDownNode = newDownNode;
stream->newUpNode = newUpNode;
stream->reset = reset;
stream->push = push;
stream->pop = pop;
stream->free = antlr3CommonTreeNodeStreamFree;
// Install the tree node stream API
//
stream->tnstream->getTreeAdaptor = getTreeAdaptor;
stream->tnstream->getTreeSource = getTreeSource;
stream->tnstream->_LT = _LT;
stream->tnstream->setUniqueNavigationNodes = setUniqueNavigationNodes;
stream->tnstream->toString = toString;
stream->tnstream->toStringSS = toStringSS;
stream->tnstream->toStringWork = toStringWork;
stream->tnstream->get = get;
// Install INT_STREAM interface
//
stream->tnstream->istream->consume = consume;
stream->tnstream->istream->index = tindex;
stream->tnstream->istream->_LA = _LA;
stream->tnstream->istream->mark = mark;
stream->tnstream->istream->release = release;
stream->tnstream->istream->rewind = rewindMark;
stream->tnstream->istream->rewindLast = rewindLast;
stream->tnstream->istream->seek = seek;
stream->tnstream->istream->size = size;
// Initialize data elements of INT stream
//
stream->tnstream->istream->type = ANTLR3_COMMONTREENODE;
stream->tnstream->istream->super = (stream->tnstream);
// Initialize data elements of TREE stream
//
stream->tnstream->ctns = stream;
// Initialize data elements of the COMMON TREE NODE stream
//
stream->super = NULL;
stream->uniqueNavigationNodes = ANTLR3_FALSE;
stream->markers = NULL;
stream->nodeStack = antlr3StackNew(INITIAL_CALL_STACK_SIZE);
// Create the node list map
//
if (hint == 0)
{
hint = DEFAULT_INITIAL_BUFFER_SIZE;
}
stream->nodes = antlr3VectorNew(hint);
stream->p = -1;
// Install the navigation nodes
//
antlr3SetCTAPI(&(stream->UP));
antlr3SetCTAPI(&(stream->DOWN));
antlr3SetCTAPI(&(stream->EOF_NODE));
antlr3SetCTAPI(&(stream->INVALID_NODE));
token = antlr3CommonTokenNew(ANTLR3_TOKEN_UP);
token->strFactory = strFactory;
token->textState = ANTLR3_TEXT_CHARP;
token->tokText.chars = (pANTLR3_UCHAR)"UP";
stream->UP.token = token;
token = antlr3CommonTokenNew(ANTLR3_TOKEN_DOWN);
token->strFactory = strFactory;
token->textState = ANTLR3_TEXT_CHARP;
token->tokText.chars = (pANTLR3_UCHAR)"DOWN";
stream->DOWN.token = token;
token = antlr3CommonTokenNew(ANTLR3_TOKEN_EOF);
token->strFactory = strFactory;
token->textState = ANTLR3_TEXT_CHARP;
token->tokText.chars = (pANTLR3_UCHAR)"EOF";
stream->EOF_NODE.token = token;
token = antlr3CommonTokenNew(ANTLR3_TOKEN_INVALID);
token->strFactory = strFactory;
token->textState = ANTLR3_TEXT_CHARP;
token->tokText.chars = (pANTLR3_UCHAR)"INVALID";
stream->INVALID_NODE.token = token;
return stream;
}
