ANTLR3_API pANTLR3_TREE_PARSER
antlr3TreeParserNewStream(ANTLR3_UINT32 sizeHint, pANTLR3_COMMON_TREE_NODE_STREAM ctnstream, pANTLR3_RECOGNIZER_SHARED_STATE state)
{
pANTLR3_TREE_PARSER parser;
/** Allocate tree parser memory
*/
parser =(pANTLR3_TREE_PARSER) ANTLR3_MALLOC(sizeof(ANTLR3_TREE_PARSER));
if (parser == NULL)
{
return NULL;
}
/* Create and install a base recognizer which does most of the work for us
*/
parser->rec = antlr3BaseRecognizerNew(ANTLR3_TYPE_PARSER, sizeHint, state);
if (parser->rec == NULL)
{
parser->free(parser);
return NULL;
}
/* Ensure we can track back to the tree parser super structure
* from the base recognizer structure
*/
parser->rec->super = parser;
parser->rec->type = ANTLR3_TYPE_TREE_PARSER;
/* Install our base recognizer overrides
*/
parser->rec->mismatch = mismatch;
parser->rec->exConstruct = antlr3MTNExceptionNew;
parser->rec->getCurrentInputSymbol = getCurrentInputSymbol;
parser->rec->getMissingSymbol = getMissingSymbol;
/* Install tree parser API
*/
parser->getTreeNodeStream = getTreeNodeStream;
parser->setTreeNodeStream = setTreeNodeStream;
parser->free = freeParser;
/* Install the tree node stream
*/
parser->setTreeNodeStream(parser, ctnstream);
return parser;
}
ANTLR3_API pANTLR3_LEXER
antlr3LexerNew(ANTLR3_UINT32 sizeHint, pANTLR3_RECOGNIZER_SHARED_STATE state)
{
pANTLR3_LEXER lexer;
pANTLR3_COMMON_TOKEN specialT;
/* Allocate memory
*/
lexer = (pANTLR3_LEXER) ANTLR3_MALLOC(sizeof(ANTLR3_LEXER));
if (lexer == NULL)
{
return NULL;
}
/* Now we need to create the base recognizer
*/
lexer->rec = antlr3BaseRecognizerNew(ANTLR3_TYPE_LEXER, sizeHint, state);
if (lexer->rec == NULL)
{
lexer->free(lexer);
return NULL;
}
lexer->rec->super = lexer;
lexer->rec->displayRecognitionError = displayRecognitionError;
lexer->rec->reportError = reportError;
lexer->rec->reset = reset;
lexer->rec->getCurrentInputSymbol = getCurrentInputSymbol;
lexer->rec->getMissingSymbol = getMissingSymbol;
/* Now install the token source interface
*/
if (lexer->rec->state->tokSource == NULL)
{
lexer->rec->state->tokSource = (pANTLR3_TOKEN_SOURCE)ANTLR3_MALLOC(sizeof(ANTLR3_TOKEN_SOURCE));
if (lexer->rec->state->tokSource == NULL)
{
lexer->rec->free(lexer->rec);
lexer->free(lexer);
return NULL;
}
lexer->rec->state->tokSource->super = lexer;
/* Install the default nextToken() method, which may be overridden
* by generated code, or by anything else in fact.
*/
lexer->rec->state->tokSource->nextToken = nextToken;
lexer->rec->state->tokSource->strFactory = NULL;
lexer->rec->state->tokFactory = NULL;
}
/* Install the lexer API
*/
lexer->setCharStream = setCharStream;
lexer->mTokens = (void (*)(void *))(mTokens);
lexer->setCharStream = setCharStream;
lexer->pushCharStream = pushCharStream;
lexer->popCharStream = popCharStream;
lexer->emit = emit;
lexer->emitNew = emitNew;
lexer->matchs = matchs;
lexer->matchc = matchc;
lexer->matchRange = matchRange;
lexer->matchAny = matchAny;
lexer->recover = recover;
lexer->getLine = getLine;
lexer->getCharIndex = getCharIndex;
lexer->getCharPositionInLine = getCharPositionInLine;
lexer->getText = getText;
lexer->free = freeLexer;
/* Initialise the eof token
*/
specialT = &(lexer->rec->state->tokSource->eofToken);
antlr3SetTokenAPI (specialT);
specialT->setType (specialT, ANTLR3_TOKEN_EOF);
specialT->factoryMade = ANTLR3_TRUE; // Prevent things trying to free() it
specialT->strFactory = NULL;
specialT->textState = ANTLR3_TEXT_NONE;
specialT->custom = NULL;
specialT->user1 = 0;
specialT->user2 = 0;
specialT->user3 = 0;
// Initialize the skip token.
//
specialT = &(lexer->rec->state->tokSource->skipToken);
antlr3SetTokenAPI (specialT);
specialT->setType (specialT, ANTLR3_TOKEN_INVALID);
specialT->factoryMade = ANTLR3_TRUE; // Prevent things trying to free() it
specialT->strFactory = NULL;
specialT->custom = NULL;
specialT->user1 = 0;
specialT->user2 = 0;
specialT->user3 = 0;
return lexer;
}
