Modifier and Type | Field and Description |
---|---|
private boolean |
yy_atBOL
yy_atBOL == true <=> the scanner is currently at the beginning of a line
|
private boolean |
yy_atEOF
yy_atEOF == true <=> the scanner is at the EOF
|
private static byte[] |
YY_ATTRIBUTE
YY_ATTRIBUTE[aState] contains the attributes of state
aState |
private char[] |
yy_buffer
this buffer contains the current text to be matched and is
the source of the yytext() string
|
private static int |
YY_BUFFERSIZE
initial size of the lookahead buffer
|
private int |
yy_currentPos
the current text position in the buffer
|
private int |
yy_endRead
endRead marks the last character in the buffer, that has been read
from input
|
private boolean |
yy_eof_done
denotes if the user-EOF-code has already been executed
|
private static String[] |
YY_ERROR_MSG |
private static int |
YY_ILLEGAL_STATE |
private int |
yy_lexical_state
the current lexical state
|
private int |
yy_markedPos
the textposition at the last accepting state
|
private static int |
YY_NO_MATCH |
private static String |
yy_packed0
The packed transition table of the DFA (part 0)
|
private static int |
YY_PUSHBACK_2BIG |
private int |
yy_pushbackPos
the textposition at the last state to be included in yytext
|
private Reader |
yy_reader
the input device
|
private static int[] |
yy_rowMap
Translates a state to a row index in the transition table
|
private int |
yy_startRead
startRead marks the beginning of the yytext() string in the buffer
|
private int |
yy_state
the current state of the DFA
|
private static int |
YY_UNKNOWN_ERROR |
private int |
yychar
the number of characters up to the start of the matched text
|
private static char[] |
yycmap
Translates characters to character classes
|
private static String |
yycmap_packed
Translates characters to character classes
|
private int |
yycolumn
the number of characters from the last newline up to the start of the
matched text
|
static int |
YYEOF
This character denotes the end of file
|
static int |
YYINITIAL
lexical states
|
private int |
yyline
number of newlines encountered up to the start of the matched text
|
private static int[] |
yytrans
The transition table of the DFA
|
Constructor and Description |
---|
Lexer(InputStream in)
Creates a new scanner.
|
Lexer(Reader in)
Creates a new scanner
There is also a java.io.InputStream version of this constructor.
|
Lexer(String in)
Constructor called by the
Selector class. |
Modifier and Type | Method and Description |
---|---|
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.
|
private long |
parseLong(String s,
int radix) |
private java_cup.runtime.Symbol |
symbol(int type) |
private java_cup.runtime.Symbol |
symbol(int type,
Object value) |
private int |
yy_advance()
Gets the next input character.
|
private void |
yy_do_eof()
Contains user EOF-code, which will be executed exactly once,
when the end of file is reached
|
private void |
yy_ScanError(int errorCode)
Reports an error that occured while scanning.
|
private static char[] |
yy_unpack_cmap(String packed)
Unpacks the compressed character translation table.
|
private static int[] |
yy_unpack()
Unpacks the split, compressed DFA transition table.
|
private static int |
yy_unpack(String packed,
int offset,
int[] trans)
Unpacks the compressed DFA transition table.
|
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.
|
int |
yylength()
Returns the length of the matched text region.
|
private void |
yypushback(int number)
Pushes the specified amount of characters back into the input stream.
|
void |
yyreset(Reader reader)
Closes the current stream, and resets the
scanner to read from a new input stream.
|
int |
yystate()
Returns the current lexical state.
|
String |
yytext()
Returns the text matched by the current regular expression.
|
public static final int YYEOF
private static final int YY_BUFFERSIZE
public static final int YYINITIAL
private static final String yycmap_packed
private static final char[] yycmap
private static final int[] yy_rowMap
private static final String yy_packed0
private static final int[] yytrans
private static final int YY_UNKNOWN_ERROR
private static final int YY_ILLEGAL_STATE
private static final int YY_NO_MATCH
private static final int YY_PUSHBACK_2BIG
private static final String[] YY_ERROR_MSG
private static final byte[] YY_ATTRIBUTE
aState
private Reader yy_reader
private int yy_state
private int yy_lexical_state
private char[] yy_buffer
private int yy_markedPos
private int yy_pushbackPos
private int yy_currentPos
private int yy_startRead
private int yy_endRead
private int yyline
private int yychar
private int yycolumn
private boolean yy_atBOL
private boolean yy_atEOF
private boolean yy_eof_done
Lexer(String in)
Selector
class.Lexer(Reader in)
in
- the java.io.Reader to read input from.Lexer(InputStream in)
in
- the java.io.Inputstream to read input from.private java_cup.runtime.Symbol symbol(int type)
private java_cup.runtime.Symbol symbol(int type, Object value)
private long parseLong(String s, int radix)
private static int[] yy_unpack()
private static int yy_unpack(String packed, int offset, int[] trans)
packed
- the packed transition tableprivate static char[] yy_unpack_cmap(String packed)
packed
- the packed character translation tableprivate int yy_advance() throws IOException
IOException
- if any I/O-Error occurspublic final void yyclose() throws IOException
IOException
public final void yyreset(Reader reader) throws IOException
reader
- the new input streamIOException
public 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()
private void yy_ScanError(int errorCode)
errorCode
- the code of the errormessage to displayprivate void yypushback(int number)
number
- the number of characters to be read again.
This number must not be greater than yylength()!private void yy_do_eof() throws IOException
IOException
public java_cup.runtime.Symbol next_token() throws IOException
next_token
in interface java_cup.runtime.Scanner
IOException
- if any I/O-Error occursCopyright © 2015 ScalAgent D.T.. All Rights Reserved.