Interface DerivationTree

All Known Implementing Classes:

DerivationTree.RuleNode, DerivationTree.TerminalNode

public sealed interface DerivationTree
permits DerivationTree.RuleNode, DerivationTree.TerminalNode

Immutable derivation tree (AST) built from grammar productions.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static final record	DerivationTree.RuleNode	Non-terminal expansion node.
static final record	DerivationTree.TerminalNode	Leaf terminal node.

Method Summary

Modifier and Type	Method	Description
List<DerivationTree>	children()	Child nodes.
int	depth()	Node depth where root is zero.
default boolean	isTerminal()	Node representation kind.
ValueType	outputType()	Output type of this expression node.

Method Details

depth

int depth()

Node depth where root is zero.

outputType

ValueType outputType()

Output type of this expression node.

children

List<DerivationTree> children()

Child nodes.

isTerminal

default boolean isTerminal()

Node representation kind.