com.goldencode.trpl

Class WalkState

java.lang.Object

com.goldencode.trpl.BaseState

com.goldencode.trpl.WalkState

public class WalkState
extends BaseState

Contains resources needed by tree walkers when processing specific nodes in a walk.

• Walk services such as an ID to tree node cache.
• Tree node being walked, read-only version.
• Tree node being walked, editable version.

Field Summary

Fields

Modifier and Type	Field and Description
Aast	copy Tree node being walked, editable version.
Aast	here Tree node being walked, read-only version.
Resolver	resolver Provides walk services such as an ID to tree node cache.

Fields inherited from class com.goldencode.trpl.BaseState

engine, mgr

Constructor Summary

Constructors

Constructor and Description
WalkState(AstManager mgr, Engine engine, Resolver resolver, Aast here, Aast copy) Construct an instance that contains the resources for the processing of a single AST node.
WalkState(BaseState base, Resolver resolver, Aast here, Aast copy) Construct an instance that contains the resources for the processing of a single AST node.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

resolver

public final Resolver resolver

Provides walk services such as an ID to tree node cache.

here

public final Aast here

Tree node being walked, read-only version.

copy

public final Aast copy

Tree node being walked, editable version.

Constructor Detail

WalkState

public WalkState(AstManager mgr,
                 Engine engine,
                 Resolver resolver,
                 Aast here,
                 Aast copy)

Construct an instance that contains the resources for the processing of a single AST node.

Parameters:

mgr - Provides core AST services.

engine - Tree processing engine which drives and controls the walk process.

resolver - Provides walk services such as an ID to tree node cache.

here - AST being walked, read-only version.

copy - AST being walked, editable version.

WalkState

public WalkState(BaseState base,
                 Resolver resolver,
                 Aast here,
                 Aast copy)

Construct an instance that contains the resources for the processing of a single AST node.

Parameters:

base - Common state to copy.

resolver - Provides walk services such as an ID to tree node cache.

here - AST being walked, read-only version.

copy - AST being walked, editable version.