org.antlr.v4.runtime.tree

Interface SyntaxTree

All Superinterfaces:

Tree

All Known Subinterfaces:

ErrorNode, ParseTree, RuleNode, TerminalNode

All Known Implementing Classes:

ErrorNodeImpl, ParserRuleContext, RuleContext, TerminalNodeImpl

public interface SyntaxTree
extends Tree

A tree that knows about an interval in a token stream is some kind of syntax tree. Subinterfaces distinguish between parse trees and other kinds of syntax trees we might want to create.

Method Summary

Methods

Modifier and Type	Method and Description
Interval	getSourceInterval() Return an Interval indicating the index in the TokenStream of the first and last token associated with this subtree.

Methods inherited from interface org.antlr.v4.runtime.tree.Tree

getChild, getChildCount, getParent, getPayload, toStringTree

Method Detail

getSourceInterval

@NotNull
Interval getSourceInterval()

Return an Interval indicating the index in the TokenStream of the first and last token associated with this subtree. If this node is a leaf, then the interval represents a single token.

If source interval is unknown, this returns Interval.INVALID.