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Java.target.apidocs.org.antlr.v4.runtime.CommonToken.html Maven / Gradle / Ivy

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org.antlr.v4.runtime
Class CommonToken



java.lang.Object


org.antlr.v4.runtime.CommonToken







All Implemented Interfaces:
Serializable, Token, WritableToken


Direct Known Subclasses:
TokenTagToken




public class CommonToken
extends Object
implements WritableToken, Serializable
See Also:
Serialized Form











Field Summary

Fields 

Modifier and Type
Field and Description


protected int
channel
This is the backing field for getChannel() and
 setChannel(int).



protected int
charPositionInLine
This is the backing field for getCharPositionInLine() and
 setCharPositionInLine(int).



protected static Tuple2<TokenSource,CharStream>
EMPTY_SOURCE
An empty Tuple2 which is used as the default value of
 source for tokens that do not have a source.



protected int
index
This is the backing field for getTokenIndex() and
 setTokenIndex(int).



protected int
line
This is the backing field for getLine() and setLine(int).



protected Tuple2<? extends TokenSource,CharStream>
source
This is the backing field for getTokenSource() and
 getInputStream().



protected int
start
This is the backing field for getStartIndex() and
 setStartIndex(int).



protected int
stop
This is the backing field for getStopIndex() and
 setStopIndex(int).



protected String
text
This is the backing field for getText() when the token text is
 explicitly set in the constructor or via setText(java.lang.String).



protected int
type
This is the backing field for getType() and setType(int).







Fields inherited from interface org.antlr.v4.runtime.Token
DEFAULT_CHANNEL, EOF, EPSILON, HIDDEN_CHANNEL, INVALID_TYPE, MIN_USER_CHANNEL_VALUE, MIN_USER_TOKEN_TYPE








Constructor Summary

Constructors 

Constructor and Description


CommonToken(int type)
Constructs a new CommonToken with the specified token type.



CommonToken(int type,
           String text)
Constructs a new CommonToken with the specified token type and
 text.



CommonToken(Token oldToken)
Constructs a new CommonToken as a copy of another Token.



CommonToken(Tuple2<? extends TokenSource,CharStream> source,
           int type,
           int channel,
           int start,
           int stop) 









Method Summary

Methods 

Modifier and Type
Method and Description


int
getChannel()
Return the channel this token.



int
getCharPositionInLine()
The index of the first character of this token relative to the
  beginning of the line at which it occurs, 0..n-1



CharStream
getInputStream()
Gets the CharStream from which this token was derived.



int
getLine()
The line number on which the 1st character of this token was matched,
  line=1..n



int
getStartIndex()
The starting character index of the token
  This method is optional; return -1 if not implemented.



int
getStopIndex()
The last character index of the token.



String
getText()
Get the text of the token.



int
getTokenIndex()
An index from 0..n-1 of the token object in the input stream.



TokenSource
getTokenSource()
Gets the TokenSource which created this token.



int
getType()
Get the token type of the token



void
setChannel(int channel) 


void
setCharPositionInLine(int charPositionInLine) 


void
setLine(int line) 


void
setStartIndex(int start) 


void
setStopIndex(int stop) 


void
setText(String text)
Explicitly set the text for this token.



void
setTokenIndex(int index) 


void
setType(int type) 


String
toString() 


String
toString(Recognizer<?,?> r) 






Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait














Field Detail





EMPTY_SOURCE
protected static final Tuple2<TokenSource,CharStream> EMPTY_SOURCE
An empty Tuple2 which is used as the default value of
 source for tokens that do not have a source.







type
protected int type
This is the backing field for getType() and setType(int).







line
protected int line
This is the backing field for getLine() and setLine(int).







charPositionInLine
protected int charPositionInLine
This is the backing field for getCharPositionInLine() and
 setCharPositionInLine(int).







channel
protected int channel
This is the backing field for getChannel() and
 setChannel(int).







source
@NotNull
protected Tuple2<? extends TokenSource,CharStream> source
This is the backing field for getTokenSource() and
 getInputStream().

 

 These properties share a field to reduce the memory footprint of
 CommonToken. Tokens created by a CommonTokenFactory from
 the same source and input stream share a reference to the same
 Tuple2 containing these values.







text
protected String text
This is the backing field for getText() when the token text is
 explicitly set in the constructor or via setText(java.lang.String).
See Also:
getText()







index
protected int index
This is the backing field for getTokenIndex() and
 setTokenIndex(int).







start
protected int start
This is the backing field for getStartIndex() and
 setStartIndex(int).







stop
protected int stop
This is the backing field for getStopIndex() and
 setStopIndex(int).









Constructor Detail





CommonToken
public CommonToken(int type)
Constructs a new CommonToken with the specified token type.
Parameters:
type - The token type.







CommonToken
public CommonToken(@NotNull
           Tuple2<? extends TokenSource,CharStream> source,
           int type,
           int channel,
           int start,
           int stop)







CommonToken
public CommonToken(int type,
           String text)
Constructs a new CommonToken with the specified token type and
 text.
Parameters:
type - The token type.
text - The text of the token.







CommonToken
public CommonToken(@NotNull
           Token oldToken)
Constructs a new CommonToken as a copy of another Token.

 

 If oldToken is also a CommonToken instance, the newly
 constructed token will share a reference to the text field and
 the Tuple2 stored in source. Otherwise, text will
 be assigned the result of calling getText(), and source
 will be constructed from the result of Token.getTokenSource() and
 Token.getInputStream().
Parameters:
oldToken - The token to copy.









Method Detail





getType
public int getType()
Description copied from interface: Token
Get the token type of the token

Specified by:
getType in interface Token








setLine
public void setLine(int line)

Specified by:
setLine in interface WritableToken








getText
public String getText()
Description copied from interface: Token
Get the text of the token.

Specified by:
getText in interface Token








setText
public void setText(String text)
Explicitly set the text for this token. If {code text} is not
 null, then getText() will return this value rather than
 extracting the text from the input.

Specified by:
setText in interface WritableToken
Parameters:
text - The explicit text of the token, or null if the text
 should be obtained from the input along with the start and stop indexes
 of the token.







getLine
public int getLine()
Description copied from interface: Token
The line number on which the 1st character of this token was matched,
  line=1..n

Specified by:
getLine in interface Token








getCharPositionInLine
public int getCharPositionInLine()
Description copied from interface: Token
The index of the first character of this token relative to the
  beginning of the line at which it occurs, 0..n-1

Specified by:
getCharPositionInLine in interface Token








setCharPositionInLine
public void setCharPositionInLine(int charPositionInLine)

Specified by:
setCharPositionInLine in interface WritableToken








getChannel
public int getChannel()
Description copied from interface: Token
Return the channel this token. Each token can arrive at the parser
  on a different channel, but the parser only "tunes" to a single channel.
  The parser ignores everything not on DEFAULT_CHANNEL.

Specified by:
getChannel in interface Token








setChannel
public void setChannel(int channel)

Specified by:
setChannel in interface WritableToken








setType
public void setType(int type)

Specified by:
setType in interface WritableToken








getStartIndex
public int getStartIndex()
Description copied from interface: Token
The starting character index of the token
  This method is optional; return -1 if not implemented.

Specified by:
getStartIndex in interface Token








setStartIndex
public void setStartIndex(int start)







getStopIndex
public int getStopIndex()
Description copied from interface: Token
The last character index of the token.
  This method is optional; return -1 if not implemented.

Specified by:
getStopIndex in interface Token








setStopIndex
public void setStopIndex(int stop)







getTokenIndex
public int getTokenIndex()
Description copied from interface: Token
An index from 0..n-1 of the token object in the input stream.
  This must be valid in order to print token streams and
  use TokenRewriteStream.

  Return -1 to indicate that this token was conjured up since
  it doesn't have a valid index.

Specified by:
getTokenIndex in interface Token








setTokenIndex
public void setTokenIndex(int index)

Specified by:
setTokenIndex in interface WritableToken








getTokenSource
public TokenSource getTokenSource()
Description copied from interface: Token
Gets the TokenSource which created this token.

Specified by:
getTokenSource in interface Token








getInputStream
public CharStream getInputStream()
Description copied from interface: Token
Gets the CharStream from which this token was derived.

Specified by:
getInputStream in interface Token








toString
public String toString()

Overrides:
toString in class Object








toString
public String toString(@Nullable
              Recognizer<?,?> r)
















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