TreeVisitor Class
Namespace: Stimulsoft.Data.Expressions.Antlr.Runtime.Tree
Do a depth first walk of a tree, applying pre() and post() actions as we go.
Constructors
| Constructor | Description |
|---|---|
| constructor(ITreeAdaptor adaptor) |
constructor(adaptor: ITreeAdaptor)
Parameters
- adaptor (ITreeAdaptor)
Methods
| Method | Returns | Description |
|---|---|---|
| visit | void | Visit every node in tree t and trigger an action for each node before/after having visited all of its children. Bottom up walk. Execute both actions even if t has no children. Ignore return results from transforming children since they will have altered the child list of this node (their parent). Return result of applying post action to this node. |
Method Details
visit
visit(t: any, action: ITreeVisitorAction): void
Visit every node in tree t and trigger an action for each node before/after having visited all of its children. Bottom up walk. Execute both actions even if t has no children. Ignore return results from transforming children since they will have altered the child list of this node (their parent). Return result of applying post action to this node.
Parameters
- t (any)
- action (ITreeVisitorAction)
Fields
| Field | Type | Description |
|---|---|---|
| adaptor | ITreeAdaptor | |
| t | any | |
| t | any |