org.antlr.v4.tool.ast

Class GrammarAST

java.lang.Object

org.antlr.runtime.tree.BaseTree

org.antlr.runtime.tree.CommonTree

org.antlr.v4.tool.ast.GrammarAST

All Implemented Interfaces:

org.antlr.runtime.tree.Tree

Direct Known Subclasses:

AltAST, GrammarASTErrorNode, GrammarASTWithOptions, NotAST, OptionalBlockAST, PlusBlockAST, RangeAST, SetAST, StarBlockAST

public class GrammarAST
extends org.antlr.runtime.tree.CommonTree

Field Summary

Fields

Modifier and Type	Field and Description
ATNState	atnState If we build an ATN, we make AST node point at left edge of ATN construct
Grammar	g For error msgs, nice to know which grammar this AST lives in
String	textOverride

Fields inherited from class org.antlr.runtime.tree.CommonTree

childIndex, parent, startIndex, stopIndex, token

Fields inherited from class org.antlr.runtime.tree.BaseTree

children

Fields inherited from interface org.antlr.runtime.tree.Tree

INVALID_NODE

Constructor Summary

Constructors

Constructor and Description
GrammarAST()
GrammarAST(GrammarAST node)
GrammarAST(int type)
GrammarAST(int type, org.antlr.runtime.Token t)
GrammarAST(int type, org.antlr.runtime.Token t, String text)
GrammarAST(org.antlr.runtime.Token t)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	deleteChild(org.antlr.runtime.tree.Tree t)
GrammarAST	dupNode()
GrammarAST	dupTree()
List<GrammarAST>	getAllChildrenWithType(int type)
String	getAltLabel() Walk ancestors of this node until we find ALT with alt!=null or leftRecursiveAltInfo!=null.
GrammarAST[]	getChildrenAsArray()
org.antlr.runtime.tree.CommonTree	getFirstDescendantWithType(org.antlr.runtime.BitSet types)
org.antlr.runtime.tree.CommonTree	getFirstDescendantWithType(int type)
List<GrammarAST>	getNodesWithType(int ttype)
List<GrammarAST>	getNodesWithType(IntervalSet types)
AltAST	getOutermostAltNode()
void	insertChild(int i, Object t) Fix bug
void	setText(String text)
void	setType(int type)
String	toTokenString()
Object	visit(GrammarASTVisitor v)

Methods inherited from class org.antlr.runtime.tree.CommonTree

getCharPositionInLine, getChildIndex, getLine, getParent, getText, getToken, getTokenStartIndex, getTokenStopIndex, getType, isNil, setChildIndex, setParent, setTokenStartIndex, setTokenStopIndex, setUnknownTokenBoundaries, toString

Methods inherited from class org.antlr.runtime.tree.BaseTree

addChild, addChildren, createChildrenList, deleteChild, freshenParentAndChildIndexes, freshenParentAndChildIndexes, freshenParentAndChildIndexesDeeply, freshenParentAndChildIndexesDeeply, getAncestor, getAncestors, getChild, getChildCount, getChildren, getFirstChildWithType, hasAncestor, replaceChildren, sanityCheckParentAndChildIndexes, sanityCheckParentAndChildIndexes, setChild, toStringTree

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

g

public Grammar g

For error msgs, nice to know which grammar this AST lives in

atnState

public ATNState atnState

If we build an ATN, we make AST node point at left edge of ATN construct

textOverride

public String textOverride

Constructor Detail

GrammarAST

public GrammarAST()

GrammarAST

public GrammarAST(org.antlr.runtime.Token t)

GrammarAST

public GrammarAST(GrammarAST node)

GrammarAST

public GrammarAST(int type)

GrammarAST

public GrammarAST(int type,
          org.antlr.runtime.Token t)

GrammarAST

public GrammarAST(int type,
          org.antlr.runtime.Token t,
          String text)

Method Detail

getChildrenAsArray

public GrammarAST[] getChildrenAsArray()

getNodesWithType

public List<GrammarAST> getNodesWithType(int ttype)

getAllChildrenWithType

public List<GrammarAST> getAllChildrenWithType(int type)

getNodesWithType

public List<GrammarAST> getNodesWithType(IntervalSet types)

getOutermostAltNode

public AltAST getOutermostAltNode()

getAltLabel

public String getAltLabel()

Walk ancestors of this node until we find ALT with alt!=null or leftRecursiveAltInfo!=null. Then grab label if any. If not a rule element, just returns null.

deleteChild

public boolean deleteChild(org.antlr.runtime.tree.Tree t)

insertChild

public void insertChild(int i,
               Object t)

Fix bug

Overrides:

insertChild in class org.antlr.runtime.tree.BaseTree

getFirstDescendantWithType

public org.antlr.runtime.tree.CommonTree getFirstDescendantWithType(int type)

getFirstDescendantWithType

public org.antlr.runtime.tree.CommonTree getFirstDescendantWithType(org.antlr.runtime.BitSet types)

setType

public void setType(int type)

setText

public void setText(String text)

dupNode

public GrammarAST dupNode()

Specified by:

dupNode in interface org.antlr.runtime.tree.Tree

Overrides:

dupNode in class org.antlr.runtime.tree.CommonTree

dupTree

public GrammarAST dupTree()

toTokenString

public String toTokenString()

visit

public Object visit(GrammarASTVisitor v)