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java.lang.Objecttip.node.Node
tip.node.Token
tip.node.TNull
public final class TNull
TNull
represents a 'null'
token from the input file.
Constructor Summary | |
---|---|
TNull()
Creates a new TNull token with no line and position information. |
|
TNull(int line,
int pos)
Creates a new TNull token with the given line and position information. |
|
TNull(Token token)
Creates a new TNull token that is an alias of the given token. |
Method Summary | ||
---|---|---|
void |
apply(Analysis caller)
Calls the Analysis.caseTNull(TNull) of the Analysis caller . |
|
|
apply(Answer<A> caller)
Returns the answer for caller by applying this TNull
node to the Answer visitor. |
|
|
apply(Question<Q> caller,
Q question)
Applies this TNull node to the Question visitor caller . |
|
|
apply(QuestionAnswer<Q,A> caller,
Q question)
Returns the answer for caller by applying this TNull node with the
question to the QuestionAnswer visitor. |
|
TNull |
clone()
Creates a clone of this TNull token. |
|
TNull |
clone(Map<Node,Node> oldToNewMap)
Creates a deep clone of this TNull token while putting all
old node-new node relations in the map oldToNewMap . |
|
TokenEnum |
kindToken()
Returns the TokenEnum corresponding to the
type of this Token node. |
|
void |
setText(String text)
Implements the Token.setText(String) method. |
Methods inherited from class tip.node.Token |
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checkOptionalInvariant, getChildren, getDescendants, getLine, getPos, getText, getToken, kindNode, setLine, setPos, toString |
Methods inherited from class tip.node.Node |
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getAncestor, getAncestor, getAncestor, getChildren, getChildren, getDescendants, getDescendants, getDescendants, isOptionalInvariant, parent, replaceBy, setOptionalInvariant |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
---|
public TNull()
TNull
token with no line and position information.
public TNull(int line, int pos)
TNull
token with the given line and position information.
line
- the line number information for this TNull
tokenpos
- the line position information for this TNull
tokenpublic TNull(Token token)
TNull
token that is an alias of the given token.
token
- the original token for this TNull
tokenMethod Detail |
---|
public TNull clone()
TNull
token.
clone
in interface NodeInterface
clone
in class Token
TNull
tokenpublic TNull clone(Map<Node,Node> oldToNewMap)
TNull
token while putting all
old node-new node relations in the map oldToNewMap
.
clone
in interface NodeInterface
clone
in class Token
oldToNewMap
- the map filled with the old node-new node relation
TNull
tokenpublic TokenEnum kindToken()
TokenEnum
corresponding to the
type of this Token
node.
kindToken
in class Token
TokenEnum
for this nodepublic void setText(String text)
Token.setText(String)
method. Since TNull represents
fixed token, this method throws a RuntimeException
.
setText
in class Token
text
- the new text of this tokenpublic void apply(Analysis caller)
Analysis.caseTNull(TNull)
of the Analysis
caller
.
apply
in interface NodeInterface
apply
in class Node
sw
- the Analysis
to which this TNull
node is appliedpublic <A> A apply(Answer<A> caller)
caller
by applying this TNull
node to the Answer
visitor.
apply
in interface NodeInterface
apply
in class Node
caller
- the Answer
to which this node is applied
caller
public <Q> void apply(Question<Q> caller, Q question)
TNull
node to the Question
visitor caller
.
apply
in interface NodeInterface
apply
in class Node
caller
- the Question
to which this node is appliedquestion
- the question provided to caller
public <Q,A> A apply(QuestionAnswer<Q,A> caller, Q question)
caller
by applying this TNull
node with the
question
to the QuestionAnswer
visitor.
apply
in interface NodeInterface
apply
in class Node
caller
- the QuestionAnswer
to which this node is appliedquestion
- the question provided to caller
caller
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