| java.lang.Object
 xtc.tree.Node
All known Subclasses: xtc.type.Type, xtc.parser.Module, xtc.tree.Annotation, xtc.tree.GNode, xtc.parser.ModuleList, xtc.tree.Attribute, xtc.tree.Token, xtc.parser.CharCase, xtc.parser.Grammar, xtc.parser.ModuleDependency, xtc.parser.Element, xtc.parser.Name, xtc.parser.Production, xtc.parser.CharRange,
| Node | | abstract public class Node (Code) | | A node in an abstract syntax tree or DAG.
author:
Robert Grimm
version:
$Revision: 1.1 $ |
| Constructor Summary | |
| public | Node()
Create a new node. | | public | Node(Location location)
Create a new node. |
| Method Summary | |
| public Object | accept(Visitor v)
Accept the specified visitor.
Optionally, a visitor may return a value, thus making it
possible, for example, to replace nodes or to construct entirely
new trees. | | public Object | getProperty(String name)
Get a property value.
Parameters:
name - The property name. | | public boolean | hasProperty(String name)
Test if this node has a property.
Parameters:
name - The property name. | | public Iterator | properties()
Get an iterator over this node's property names. | | public Object | removeProperty(String name)
Remove a property.
Parameters:
name - The property name. | | public void | setLocation(String file, int line, int column)
Set the location of this node to the specified values,
iff the location has not been set before. | | public Object | setProperty(String name, Object value)
Set the value of a property.
Parameters:
name - The property name.
Parameters:
value - The new property value. |
| Node | | public Node()(Code) | | Create a new node.
|
| Node | | public Node(Location location)(Code) | | Create a new node.
Parameters:
location - The source location for the new node. |
| accept | | public Object accept(Visitor v)(Code) | | Accept the specified visitor.
Optionally, a visitor may return a value, thus making it
possible, for example, to replace nodes or to construct entirely
new trees. If the specified visitor does not return a value, this
method returns null.
Parameters:
v - The visitor. The (optional) return value.
throws:
VisitorException - Signals that the specified visitor does not have a matchingvisit() method.
throws:
VisitingException - Signals an exceptional condition while applying the specifiedvisitor on this node. |
| getProperty | | public Object getProperty(String name)(Code) | | Get a property value.
Parameters:
name - The property name. The property's value or null if theproperty doesn't have a value. |
| hasProperty | | public boolean hasProperty(String name)(Code) | | Test if this node has a property.
Parameters:
name - The property name. true if this node has a property with thespecified name. |
| properties | | public Iterator properties()(Code) | | Get an iterator over this node's property names.
An iterator over this node's property names. |
| removeProperty | | public Object removeProperty(String name)(Code) | | Remove a property.
Parameters:
name - The property name. The property's old value or null if theproperty didn't have a value. |
| setLocation | | public void setLocation(String file, int line, int column)(Code) | | Set the location of this node to the specified values,
iff the location has not been set before.
Parameters:
file - The file.
Parameters:
line - The line number.
Parameters:
column - The column number. |
| setProperty | | public Object setProperty(String name, Object value)(Code) | | Set the value of a property.
Parameters:
name - The property name.
Parameters:
value - The new property value. The property's old value or null if theproperty didn't have a value. |
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