|
The Meta-Environment API | |||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objecttoolbus.parsercup.Lexer
public class Lexer
This class is a scanner generated by JFlex 1.3.5 on 7/3/08 11:06 AM from the specification file file:/export/scratch1/lankamp/metaClipse/toolbus-ng/src/toolbus/parsercup/toolbus.jflex
Field Summary | |
---|---|
static int |
INCLUDE
|
private int |
previousYYchar
|
private java.lang.StringBuilder |
string
|
static int |
STRING
lexical states |
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 java.lang.String[] |
YY_ERROR_MSG
|
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 java.lang.String |
yy_packed0
The packed transition table of the DFA (part 0) |
private int |
yy_pushbackPos
the textposition at the last state to be included in yytext |
private java.io.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 java.lang.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
|
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 Summary | |
---|---|
Lexer(java.io.InputStream in)
Creates a new scanner. |
|
Lexer(java.io.Reader in)
Creates a new scanner There is also a java.io.InputStream version of this constructor. |
Method Summary | |
---|---|
int |
getPosition()
|
int |
getPreviousPosition()
|
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 java_cup.runtime.Symbol |
symbol(int type)
|
private java_cup.runtime.Symbol |
symbol(int type,
java.lang.Object value)
|
private void |
yy_do_eof()
Contains user EOF-code, which will be executed exactly once, when the end of file is reached |
private boolean |
yy_refill()
Refills the input buffer. |
private void |
yy_ScanError(int errorCode)
Reports an error that occured while scanning. |
private static char[] |
yy_unpack_cmap(java.lang.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(java.lang.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. |
void |
yyreset(java.io.Reader reader)
Closes the current stream, and 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. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final int YYEOF
private static final int YY_BUFFERSIZE
public static final int STRING
public static final int YYINITIAL
public static final int INCLUDE
private static final java.lang.String yycmap_packed
private static final char[] yycmap
private static final int[] yy_rowMap
private static final java.lang.String yy_packed0
private static final int[] yytrans
private static final int YY_UNKNOWN_ERROR
private static final int YY_NO_MATCH
private static final java.lang.String[] YY_ERROR_MSG
private static final byte[] YY_ATTRIBUTE
aState
private java.io.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_atEOF
private boolean yy_eof_done
private java.lang.StringBuilder string
private volatile int previousYYchar
Constructor Detail |
---|
public Lexer(java.io.Reader in)
in
- the java.io.Reader to read input from.public Lexer(java.io.InputStream in)
in
- the java.io.Inputstream to read input from.Method Detail |
---|
private java_cup.runtime.Symbol symbol(int type)
private java_cup.runtime.Symbol symbol(int type, java.lang.Object value)
public int getPreviousPosition()
public int getPosition()
private static int[] yy_unpack()
private static int yy_unpack(java.lang.String packed, int offset, int[] trans)
packed
- the packed transition table
private static char[] yy_unpack_cmap(java.lang.String packed)
packed
- the packed character translation table
private boolean yy_refill() throws java.io.IOException
false
, iff there was new input.
java.io.IOException
- if any I/O-Error occurspublic final void yyclose() throws java.io.IOException
java.io.IOException
public final void yyreset(java.io.Reader reader) throws java.io.IOException
reader
- the new input stream
java.io.IOException
public final int yystate()
public final void yybegin(int newState)
newState
- the new lexical statepublic final java.lang.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 yy_do_eof() throws java.io.IOException
java.io.IOException
public java_cup.runtime.Symbol next_token() throws java.io.IOException
next_token
in interface java_cup.runtime.Scanner
java.io.IOException
- if any I/O-Error occurs
|
The Meta-Environment API | |||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |