antlr3rewritestreams.c File Reference

---

Detailed Description

Implementation of token/tree streams that are used by the tree re-write rules to manipulate the tokens and trees produced by rules that are subject to rewrite directives.

#include <antlr3rewritestreams.h>

Include dependency graph for antlr3rewritestreams.c:

Functions
static void *	_next (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Do the work of getting the next element, making sure that it's a tree node or subtree.
static void	add (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream, void *el, void(ANTLR3_CDECL *freePtr)(void *))
static pANTLR3_REWRITE_RULE_ELEMENT_STREAM	antlr3RewriteRuleElementStreamNewAE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description)
static pANTLR3_REWRITE_RULE_ELEMENT_STREAM	antlr3RewriteRuleElementStreamNewAEE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, void *oneElement)
static pANTLR3_REWRITE_RULE_ELEMENT_STREAM	antlr3RewriteRuleElementStreamNewAEV (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, pANTLR3_VECTOR vector)
ANTLR3_API pANTLR3_REWRITE_RULE_NODE_STREAM	antlr3RewriteRuleNODEStreamNewAE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description)
ANTLR3_API pANTLR3_REWRITE_RULE_NODE_STREAM	antlr3RewriteRuleNODEStreamNewAEE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, void *oneElement)
ANTLR3_API pANTLR3_REWRITE_RULE_NODE_STREAM	antlr3RewriteRuleNODEStreamNewAEV (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, pANTLR3_VECTOR vector)
ANTLR3_API pANTLR3_REWRITE_RULE_SUBTREE_STREAM	antlr3RewriteRuleSubtreeStreamNewAE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description)
ANTLR3_API pANTLR3_REWRITE_RULE_SUBTREE_STREAM	antlr3RewriteRuleSubtreeStreamNewAEE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, void *oneElement)
ANTLR3_API pANTLR3_REWRITE_RULE_SUBTREE_STREAM	antlr3RewriteRuleSubtreeStreamNewAEV (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, pANTLR3_VECTOR vector)
ANTLR3_API pANTLR3_REWRITE_RULE_TOKEN_STREAM	antlr3RewriteRuleTOKENStreamNewAE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description)
ANTLR3_API pANTLR3_REWRITE_RULE_TOKEN_STREAM	antlr3RewriteRuleTOKENStreamNewAEE (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, void *oneElement)
ANTLR3_API pANTLR3_REWRITE_RULE_TOKEN_STREAM	antlr3RewriteRuleTOKENStreamNewAEV (pANTLR3_BASE_TREE_ADAPTOR adaptor, pANTLR3_BASE_RECOGNIZER rec, pANTLR3_UINT8 description, pANTLR3_VECTOR vector)
static void *	dupTok (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream, void *el)
	When constructing trees, sometimes we need to dup a token or AST subtree.
static void *	dupTree (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream, void *element)
	When constructing trees, sometimes we need to dup a token or AST subtree.
static void *	dupTreeNode (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream, void *element)
	When constructing trees, sometimes we need to dup a token or AST subtree.
static void	expungeRS (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
static void	freeNodeRS (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Do special nilNode reuse detection for node streams.
static void	freeRS (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
static void *	getDescription (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Returns the description string if there is one available (check for NULL).
static ANTLR3_BOOLEAN	hasNext (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Returns ANTLR3_TRUE if there is a next element available.
static void *	next (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Return the next element in the stream.
static pANTLR3_BASE_TREE	nextNode (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Treat next element as a single node even if it's a subtree.
static pANTLR3_BASE_TREE	nextNodeNode (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
static pANTLR3_BASE_TREE	nextNodeToken (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Get the next token from the list and create a node for it This is the implementation for token streams.
static void *	nextToken (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Return the next element for a caller that wants just the token.
static pANTLR3_BASE_TREE	nextTree (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Return the next element in the stream.
static void	reset (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Reset the condition of this stream so that it appears we have not consumed any of its elements.
static ANTLR3_UINT32	size (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream)
	Number of elements available in the stream.
static pANTLR3_BASE_TREE	toTree (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream, void *element)
	We don;t explicitly convert to a tree unless the call goes to nextTree, which means rewrites are heterogeneous.
static pANTLR3_BASE_TREE	toTreeNode (pANTLR3_REWRITE_RULE_ELEMENT_STREAM stream, void *element)
	Ensure stream emits trees; tokens must be converted to AST nodes.

---

Function Documentation

static void * _next

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Do the work of getting the next element, making sure that it's a tree node or subtree.

Deal with the optimization of single- element list versus list of size > 1. Throw an exception (or something similar) if the stream is empty or we're out of elements and size>1. You can override in a 'subclass' if necessary.

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, ANTLR3_VECTOR_struct::get, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::singleElement, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::size, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::toTree.

Referenced by antlr3RewriteRuleElementStreamNewAE().

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static void add	(	pANTLR3_REWRITE_RULE_ELEMENT_STREAM	stream,
		void *	el,
		void(ANTLR3_CDECL *freePtr)(void *)
	)			[static]

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, ANTLR3_VECTOR_struct::add, ANTLR3_TRUE, ANTLR3_VECTOR_struct::count, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::freeElements, ANTLR3_VECTOR_FACTORY_struct::newVector, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::singleElement, and ANTLR3_BASE_TREE_ADAPTOR_struct::super.

static pANTLR3_REWRITE_RULE_ELEMENT_STREAM antlr3RewriteRuleElementStreamNewAE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description
	)			[static]

References _next(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::add, ANTLR3_FALSE, ANTLR3_MALLOC, ANTLR3_VECTOR_struct::count, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dirty, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elementDescription, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::freeElements, freeRS(), getDescription(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::getDescription, hasNext(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::hasNext, next(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::next, nextNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, nextToken(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextToken, nextTree(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextTree, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::rec, ANTLR3_VECTOR_struct::remove, reset(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::reset, ANTLR3_RECOGNIZER_SHARED_STATE_struct::rStreams, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::singleElement, size(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::size, ANTLR3_BASE_RECOGNIZER_struct::state, toTree(), and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::toTree.

Referenced by antlr3RewriteRuleElementStreamNewAEE(), antlr3RewriteRuleElementStreamNewAEV(), antlr3RewriteRuleNODEStreamNewAE(), antlr3RewriteRuleSubtreeStreamNewAE(), and antlr3RewriteRuleTOKENStreamNewAE().

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static pANTLR3_REWRITE_RULE_ELEMENT_STREAM antlr3RewriteRuleElementStreamNewAEE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		void *	oneElement
	)			[static]

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::add, and antlr3RewriteRuleElementStreamNewAE().

Referenced by antlr3RewriteRuleNODEStreamNewAEE(), antlr3RewriteRuleSubtreeStreamNewAEE(), and antlr3RewriteRuleTOKENStreamNewAEE().

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static pANTLR3_REWRITE_RULE_ELEMENT_STREAM antlr3RewriteRuleElementStreamNewAEV	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		pANTLR3_VECTOR	vector
	)			[static]

References ANTLR3_FALSE, ANTLR3_TRUE, antlr3RewriteRuleElementStreamNewAE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, ANTLR3_VECTOR_struct::factoryMade, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::freeElements.

Referenced by antlr3RewriteRuleNODEStreamNewAEV(), antlr3RewriteRuleSubtreeStreamNewAEV(), and antlr3RewriteRuleTOKENStreamNewAEV().

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ANTLR3_API pANTLR3_REWRITE_RULE_NODE_STREAM antlr3RewriteRuleNODEStreamNewAE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description
	)

References antlr3RewriteRuleElementStreamNewAE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTreeNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, freeNodeRS(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, nextNodeNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::toTree, and toTreeNode().

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ANTLR3_API pANTLR3_REWRITE_RULE_NODE_STREAM antlr3RewriteRuleNODEStreamNewAEE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		void *	oneElement
	)

References antlr3RewriteRuleElementStreamNewAEE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTreeNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, freeNodeRS(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, nextNodeNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::toTree, and toTreeNode().

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ANTLR3_API pANTLR3_REWRITE_RULE_NODE_STREAM antlr3RewriteRuleNODEStreamNewAEV	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		pANTLR3_VECTOR	vector
	)

References antlr3RewriteRuleElementStreamNewAEV(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTreeNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, freeNodeRS(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, nextNodeNode(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::toTree, and toTreeNode().

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ANTLR3_API pANTLR3_REWRITE_RULE_SUBTREE_STREAM antlr3RewriteRuleSubtreeStreamNewAE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description
	)

References antlr3RewriteRuleElementStreamNewAE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTree(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, freeNodeRS(), nextNode(), and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode.

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ANTLR3_API pANTLR3_REWRITE_RULE_SUBTREE_STREAM antlr3RewriteRuleSubtreeStreamNewAEE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		void *	oneElement
	)

References antlr3RewriteRuleElementStreamNewAEE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTree(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, freeNodeRS(), nextNode(), and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode.

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ANTLR3_API pANTLR3_REWRITE_RULE_SUBTREE_STREAM antlr3RewriteRuleSubtreeStreamNewAEV	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		pANTLR3_VECTOR	vector
	)

References antlr3RewriteRuleElementStreamNewAEV(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTree(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::free, freeNodeRS(), nextNode(), and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode.

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ANTLR3_API pANTLR3_REWRITE_RULE_TOKEN_STREAM antlr3RewriteRuleTOKENStreamNewAE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description
	)

References antlr3RewriteRuleElementStreamNewAE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTok(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, and nextNodeToken().

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ANTLR3_API pANTLR3_REWRITE_RULE_TOKEN_STREAM antlr3RewriteRuleTOKENStreamNewAEE	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		void *	oneElement
	)

References antlr3RewriteRuleElementStreamNewAEE(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTok(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, and nextNodeToken().

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ANTLR3_API pANTLR3_REWRITE_RULE_TOKEN_STREAM antlr3RewriteRuleTOKENStreamNewAEV	(	pANTLR3_BASE_TREE_ADAPTOR	adaptor,
		pANTLR3_BASE_RECOGNIZER	rec,
		pANTLR3_UINT8	description,
		pANTLR3_VECTOR	vector
	)

References antlr3RewriteRuleElementStreamNewAEV(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, dupTok(), ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::nextNode, and nextNodeToken().

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static void * dupTok	(	pANTLR3_REWRITE_RULE_ELEMENT_STREAM	stream,
		void *	el
	)			[static]

When constructing trees, sometimes we need to dup a token or AST subtree.

Dup'ing a token means just creating another AST node around it. For trees, you must call the adaptor.dupTree().

References ANTLR3_FPRINTF.

Referenced by antlr3RewriteRuleTOKENStreamNewAE(), antlr3RewriteRuleTOKENStreamNewAEE(), and antlr3RewriteRuleTOKENStreamNewAEV().

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static void * dupTree	(	pANTLR3_REWRITE_RULE_ELEMENT_STREAM	stream,
		void *	element
	)			[static]

When constructing trees, sometimes we need to dup a token or AST subtree.

Dup'ing a token means just creating another AST node around it. For trees, you must call the adaptor.dupTree().

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, and ANTLR3_BASE_TREE_ADAPTOR_struct::dupNode.

static void * dupTreeNode	(	pANTLR3_REWRITE_RULE_ELEMENT_STREAM	stream,
		void *	element
	)			[static]

When constructing trees, sometimes we need to dup a token or AST subtree.

Dup'ing a token means just creating another AST node around it. For trees, you must call the adaptor.dupTree().

References ANTLR3_FPRINTF.

Referenced by antlr3RewriteRuleNODEStreamNewAE(), antlr3RewriteRuleNODEStreamNewAEE(), and antlr3RewriteRuleNODEStreamNewAEV().

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static void expungeRS

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

References ANTLR3_FREE, ANTLR3_TRUE, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::freeElements.

Referenced by freeNodeRS(), and freeRS().

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static void freeNodeRS

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Do special nilNode reuse detection for node streams.

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, ANTLR3_VECTOR_struct::add, ANTLR3_FALSE, ANTLR3_TRUE, ANTLR3_VECTOR_struct::clear, ANTLR3_VECTOR_struct::count, ANTLR3_VECTOR_ELEMENT_struct::element, ANTLR3_VECTOR_struct::elements, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, expungeRS(), ANTLR3_VECTOR_struct::factoryMade, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::freeElements, ANTLR3_BASE_TREE_struct::isNilNode, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::rec, ANTLR3_VECTOR_FACTORY_struct::returnVector, ANTLR3_RECOGNIZER_SHARED_STATE_struct::rStreams, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::singleElement, ANTLR3_BASE_RECOGNIZER_struct::state, and ANTLR3_BASE_TREE_ADAPTOR_struct::super.

Referenced by antlr3RewriteRuleNODEStreamNewAE(), antlr3RewriteRuleNODEStreamNewAEE(), antlr3RewriteRuleNODEStreamNewAEV(), antlr3RewriteRuleSubtreeStreamNewAE(), antlr3RewriteRuleSubtreeStreamNewAEE(), and antlr3RewriteRuleSubtreeStreamNewAEV().

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static void freeRS

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, ANTLR3_VECTOR_struct::add, ANTLR3_FALSE, ANTLR3_TRUE, ANTLR3_VECTOR_struct::clear, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, expungeRS(), ANTLR3_VECTOR_struct::factoryMade, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::freeElements, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::rec, ANTLR3_VECTOR_FACTORY_struct::returnVector, ANTLR3_RECOGNIZER_SHARED_STATE_struct::rStreams, ANTLR3_BASE_RECOGNIZER_struct::state, and ANTLR3_BASE_TREE_ADAPTOR_struct::super.

Referenced by antlr3RewriteRuleElementStreamNewAE().

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static void * getDescription

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Returns the description string if there is one available (check for NULL).

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elementDescription.

Referenced by antlr3RewriteRuleElementStreamNewAE().

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static ANTLR3_BOOLEAN hasNext

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Returns ANTLR3_TRUE if there is a next element available.

References ANTLR3_FALSE, ANTLR3_TRUE, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::singleElement, and ANTLR3_VECTOR_struct::size.

Referenced by antlr3RewriteRuleElementStreamNewAE().

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static void * next

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Return the next element in the stream.

If out of elements, throw an exception unless size()==1. If size is 1, then return elements[0].

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::size.

Referenced by antlr3ExceptionFree(), and antlr3RewriteRuleElementStreamNewAE().

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static pANTLR3_BASE_TREE nextNode

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Treat next element as a single node even if it's a subtree.

This is used instead of next() when the result has to be a tree root node. Also prevents us from duplicating recently-added children; e.g., ^(type ID)+ adds ID to type and then 2nd iteration must dup the type node, but ID has been added.

Referencing to a rule result twice is ok; dup entire tree as we can't be adding trees; e.g., expr expr.

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, ANTLR3_TRUE, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dirty, ANTLR3_BASE_TREE_ADAPTOR_struct::dupNode, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::size.

Referenced by antlr3RewriteRuleElementStreamNewAE(), antlr3RewriteRuleSubtreeStreamNewAE(), antlr3RewriteRuleSubtreeStreamNewAEE(), antlr3RewriteRuleSubtreeStreamNewAEV(), intTrieAdd(), and intTrieGet().

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static pANTLR3_BASE_TREE nextNodeNode

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next.

Referenced by antlr3RewriteRuleNODEStreamNewAE(), antlr3RewriteRuleNODEStreamNewAEE(), and antlr3RewriteRuleNODEStreamNewAEV().

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static pANTLR3_BASE_TREE nextNodeToken

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Get the next token from the list and create a node for it This is the implementation for token streams.

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, and ANTLR3_BASE_TREE_ADAPTOR_struct::create.

Referenced by antlr3RewriteRuleTOKENStreamNewAE(), antlr3RewriteRuleTOKENStreamNewAEE(), and antlr3RewriteRuleTOKENStreamNewAEV().

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static void * nextToken

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Return the next element for a caller that wants just the token.

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next.

static pANTLR3_BASE_TREE nextTree

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Return the next element in the stream.

If out of elements, throw an exception unless size()==1. If size is 1, then return elements[0]. Return a duplicate node/subtree if stream is out of elements and size==1. If we've already used the element, dup (dirty bit set).

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::_next, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dirty, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dup, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::size.

Referenced by antlr3RewriteRuleElementStreamNewAE().

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static void reset

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Reset the condition of this stream so that it appears we have not consumed any of its elements.

Elements themselves are untouched.

References ANTLR3_TRUE, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::cursor, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::dirty.

static ANTLR3_UINT32 size

(

pANTLR3_REWRITE_RULE_ELEMENT_STREAM

stream

)

[static]

Number of elements available in the stream.

Should be a count of one if singleElement is set. I copied this logic from the java implementation, which I suspect is just guarding against someone setting singleElement and forgetting to NULL it out

References ANTLR3_VECTOR_struct::count, ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::elements, and ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::singleElement.

static pANTLR3_BASE_TREE toTree	(	pANTLR3_REWRITE_RULE_ELEMENT_STREAM	stream,
		void *	element
	)			[static]

We don;t explicitly convert to a tree unless the call goes to nextTree, which means rewrites are heterogeneous.

Referenced by antlr3RewriteRuleElementStreamNewAE().

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static pANTLR3_BASE_TREE toTreeNode	(	pANTLR3_REWRITE_RULE_ELEMENT_STREAM	stream,
		void *	element
	)			[static]

Ensure stream emits trees; tokens must be converted to AST nodes.

AST nodes can be passed through unmolested.

References ANTLR3_REWRITE_RULE_ELEMENT_STREAM_struct::adaptor, and ANTLR3_BASE_TREE_ADAPTOR_struct::dupNode.

Referenced by antlr3RewriteRuleNODEStreamNewAE(), antlr3RewriteRuleNODEStreamNewAEE(), and antlr3RewriteRuleNODEStreamNewAEV().

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