antlr3treeparser.c File Reference

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Detailed Description

Implementation of the tree parser and overrides for the base recognizer.

#include <antlr3treeparser.h>

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Functions
ANTLR3_API void	antlr3MTNExceptionNew (pANTLR3_BASE_RECOGNIZER recognizer)
	Creates a new Mismatched Tree Nde Exception and inserts in the recognizer exception stack.
ANTLR3_API pANTLR3_TREE_PARSER	antlr3TreeParserNewStream (ANTLR3_UINT32 sizeHint, pANTLR3_COMMON_TREE_NODE_STREAM ctnstream, pANTLR3_RECOGNIZER_SHARED_STATE state)
static void	freeParser (pANTLR3_TREE_PARSER parser)
static void *	getCurrentInputSymbol (pANTLR3_BASE_RECOGNIZER recognizer, pANTLR3_INT_STREAM istream)
static void *	getMissingSymbol (pANTLR3_BASE_RECOGNIZER recognizer, pANTLR3_INT_STREAM istream, pANTLR3_EXCEPTION e, ANTLR3_UINT32 expectedTokenType, pANTLR3_BITSET_LIST follow)
static pANTLR3_COMMON_TREE_NODE_STREAM	getTreeNodeStream (pANTLR3_TREE_PARSER parser)
	Return a pointer to the input stream.
static void	mismatch (pANTLR3_BASE_RECOGNIZER recognizer, ANTLR3_UINT32 ttype, pANTLR3_BITSET_LIST follow)
	Override for standard base recognizer mismatch function as we have DOWN/UP nodes in the stream that have no line info, plus we want to alter the exception type.
static void	setTreeNodeStream (pANTLR3_TREE_PARSER parser, pANTLR3_COMMON_TREE_NODE_STREAM input)
	Set the input stream and reset the parser.

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Function Documentation

ANTLR3_API void antlr3MTNExceptionNew

(

pANTLR3_BASE_RECOGNIZER

recognizer

)

Creates a new Mismatched Tree Nde Exception and inserts in the recognizer exception stack.

Parameters:

recognizer

Context pointer for this recognizer

References ANTLR3_MISMATCHED_TREE_NODE_EXCEPTION, ANTLR3_MISMATCHED_TREE_NODE_NAME, antlr3RecognitionExceptionNew(), ANTLR3_RECOGNIZER_SHARED_STATE_struct::exception, ANTLR3_EXCEPTION_struct::name, ANTLR3_BASE_RECOGNIZER_struct::state, and ANTLR3_EXCEPTION_struct::type.

Referenced by antlr3TreeParserNewStream().

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ANTLR3_API pANTLR3_TREE_PARSER antlr3TreeParserNewStream	(	ANTLR3_UINT32	sizeHint,
		pANTLR3_COMMON_TREE_NODE_STREAM	ctnstream,
		pANTLR3_RECOGNIZER_SHARED_STATE	state
	)

Allocate tree parser memory

References ANTLR3_MALLOC, ANTLR3_TYPE_PARSER, ANTLR3_TYPE_TREE_PARSER, antlr3BaseRecognizerNew(), antlr3MTNExceptionNew(), ANTLR3_BASE_RECOGNIZER_struct::exConstruct, ANTLR3_TREE_PARSER_struct::free, freeParser(), getCurrentInputSymbol(), ANTLR3_BASE_RECOGNIZER_struct::getCurrentInputSymbol, getMissingSymbol(), ANTLR3_BASE_RECOGNIZER_struct::getMissingSymbol, getTreeNodeStream(), ANTLR3_TREE_PARSER_struct::getTreeNodeStream, mismatch(), ANTLR3_BASE_RECOGNIZER_struct::mismatch, ANTLR3_TREE_PARSER_struct::rec, setTreeNodeStream(), ANTLR3_TREE_PARSER_struct::setTreeNodeStream, ANTLR3_BASE_RECOGNIZER_struct::super, and ANTLR3_BASE_RECOGNIZER_struct::type.

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static void freeParser

(

pANTLR3_TREE_PARSER

parser

)

[static]

References ANTLR3_FREE, ANTLR3_RECOGNIZER_SHARED_STATE_struct::following, ANTLR3_BASE_RECOGNIZER_struct::free, ANTLR3_STACK_struct::free, ANTLR3_TREE_PARSER_struct::rec, and ANTLR3_BASE_RECOGNIZER_struct::state.

static void * getCurrentInputSymbol	(	pANTLR3_BASE_RECOGNIZER	recognizer,
		pANTLR3_INT_STREAM	istream
	)			[static]

References ANTLR3_TREE_NODE_STREAM_struct::_LT, ANTLR3_TREE_NODE_STREAM_struct::ctns, and ANTLR3_INT_STREAM_struct::super.

static void * getMissingSymbol	(	pANTLR3_BASE_RECOGNIZER	recognizer,
		pANTLR3_INT_STREAM	istream,
		pANTLR3_EXCEPTION	e,
		ANTLR3_UINT32	expectedTokenType,
		pANTLR3_BITSET_LIST	follow
	)			[static]

References ANTLR3_TREE_NODE_STREAM_struct::_LT, ANTLR3_STRING_struct::append8, ANTLR3_COMMON_TREE_struct::baseTree, ANTLR3_TREE_NODE_STREAM_struct::ctns, ANTLR3_BASE_TREE_struct::dupNode, ANTLR3_COMMON_TREE_NODE_STREAM_struct::EOF_NODE, ANTLR3_COMMON_TOKEN_struct::getText, ANTLR3_BASE_TREE_struct::getToken, ANTLR3_COMMON_TOKEN_struct::setText8, ANTLR3_BASE_RECOGNIZER_struct::state, ANTLR3_BASE_TREE_struct::super, ANTLR3_INT_STREAM_struct::super, and ANTLR3_RECOGNIZER_SHARED_STATE_struct::tokenNames.

static pANTLR3_COMMON_TREE_NODE_STREAM getTreeNodeStream

(

pANTLR3_TREE_PARSER

parser

)

[static]

Return a pointer to the input stream.

References ANTLR3_TREE_PARSER_struct::ctnstream.

Referenced by antlr3TreeParserNewStream().

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static void mismatch	(	pANTLR3_BASE_RECOGNIZER	recognizer,
		ANTLR3_UINT32	ttype,
		pANTLR3_BITSET_LIST	follow
	)			[static]

Override for standard base recognizer mismatch function as we have DOWN/UP nodes in the stream that have no line info, plus we want to alter the exception type.

References ANTLR3_BASE_RECOGNIZER_struct::exConstruct, and ANTLR3_BASE_RECOGNIZER_struct::recoverFromMismatchedToken.

static void setTreeNodeStream	(	pANTLR3_TREE_PARSER	parser,
		pANTLR3_COMMON_TREE_NODE_STREAM	input
	)			[static]

Set the input stream and reset the parser.

References ANTLR3_TREE_PARSER_struct::ctnstream, ANTLR3_TREE_PARSER_struct::rec, ANTLR3_COMMON_TREE_NODE_STREAM_struct::reset, and ANTLR3_BASE_RECOGNIZER_struct::reset.

Referenced by antlr3TreeParserNewStream().

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