public class Scanner extends Object implements java_cup.runtime.Scanner
Modifier and Type | Field and Description |
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static int |
SQ_STRING |
static int |
STRING
lexical states
|
static int |
YYEOF
This character denotes the end of file
|
static int |
YYINITIAL |
Constructor and Description |
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Scanner(InputStream in)
Creates a new scanner.
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Scanner(Reader in)
Creates a new scanner
There is also a java.io.InputStream version of this constructor.
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Modifier and Type | Method and Description |
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java_cup.runtime.Symbol |
next_token()
Resumes scanning until the next regular expression is matched,
the end of input is encountered or an I/O-Error occurs.
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void |
yybegin(int newState)
Enters a new lexical state
|
char |
yycharat(int pos)
Returns the character at position pos from the
matched text.
|
void |
yyclose()
Closes the input stream.
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int |
yylength()
Returns the length of the matched text region.
|
void |
yypushback(int number)
Pushes the specified amount of characters back into the input stream.
|
void |
yyreset(Reader reader)
Resets the scanner to read from a new input stream.
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int |
yystate()
Returns the current lexical state.
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String |
yytext()
Returns the text matched by the current regular expression.
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public static final int YYEOF
public static final int STRING
public static final int YYINITIAL
public static final int SQ_STRING
public Scanner(Reader in)
in
- the java.io.Reader to read input from.public Scanner(InputStream in)
in
- the java.io.Inputstream to read input from.public final void yyclose() throws IOException
IOException
public final void yyreset(Reader reader)
reader
- the new input streampublic final int yystate()
public final void yybegin(int newState)
newState
- the new lexical statepublic final String yytext()
public final char yycharat(int pos)
pos
- the position of the character to fetch.
A value from 0 to yylength()-1.public final int yylength()
public void yypushback(int number)
number
- the number of characters to be read again.
This number must not be greater than yylength()!public java_cup.runtime.Symbol next_token() throws IOException
next_token
in interface java_cup.runtime.Scanner
IOException
- if any I/O-Error occursCopyright © 2013 Nuxeo SA. All Rights Reserved.