jsyntaxpane.lexers
public final class ScalaLexer extends DefaultJFlexLexer
Modifier and Type | Field and Description |
---|---|
static int |
CHARLITERAL |
static int |
JDOC |
static int |
JDOC_TAG |
static int |
STRING
lexical states
|
static int |
YYEOF
This character denotes the end of file
|
static int |
YYINITIAL |
offset, tokenLength, tokenStart
Constructor and Description |
---|
ScalaLexer()
Create an empty lexer, yyrset will be called later to reset and assign
the reader
|
ScalaLexer(java.io.InputStream in)
Creates a new scanner.
|
ScalaLexer(java.io.Reader in)
Creates a new scanner
There is also a java.io.InputStream version of this constructor.
|
Modifier and Type | Method and Description |
---|---|
void |
yybegin(int newState)
Enters a new lexical state
|
int |
yychar()
Return the char number from beginning of input stream.
|
char |
yycharat(int pos)
Returns the character at position pos from the
matched text.
|
void |
yyclose()
Closes the input stream.
|
int |
yylength()
Returns the length of the matched text region.
|
Token |
yylex()
Resumes scanning until the next regular expression is matched,
the end of input is encountered or an I/O-Error occurs.
|
void |
yypushback(int number)
Pushes the specified amount of characters back into the input stream.
|
void |
yyreset(java.io.Reader reader)
Resets the scanner to read from a new input stream.
|
int |
yystate()
Returns the current lexical state.
|
java.lang.String |
yytext()
Returns the text matched by the current regular expression.
|
public static final int YYEOF
public static final int STRING
public static final int JDOC_TAG
public static final int JDOC
public static final int YYINITIAL
public static final int CHARLITERAL
public ScalaLexer()
public ScalaLexer(java.io.Reader in)
in
- the java.io.Reader to read input from.public ScalaLexer(java.io.InputStream in)
in
- the java.io.Inputstream to read input from.public int yychar()
DefaultJFlexLexer
yychar
in class DefaultJFlexLexer
public final void yyclose() throws java.io.IOException
java.io.IOException
public final void yyreset(java.io.Reader reader)
yyreset
in class DefaultJFlexLexer
reader
- the new input streampublic final int yystate()
public final void yybegin(int newState)
newState
- the new lexical statepublic final java.lang.String yytext()
yytext
in class DefaultJFlexLexer
public final char yycharat(int pos)
yycharat
in class DefaultJFlexLexer
pos
- the position of the character to fetch.
A value from 0 to yylength()-1.public final int yylength()
yylength
in class DefaultJFlexLexer
public void yypushback(int number)
number
- the number of characters to be read again.
This number must not be greater than yylength()!public Token yylex() throws java.io.IOException
yylex
in class DefaultJFlexLexer
java.io.IOException
- if any I/O-Error occurs