Modifier and Type | Field | Description |
---|---|---|
static int |
COMMENT |
|
static int |
QUOTEDIDENT |
|
static int |
STRING |
lexical states
|
static int |
YYEOF |
This character denotes the end of file
|
static int |
YYINITIAL |
Constructor | Description |
---|---|
ECATokenLexer(InputStream in) |
Creates a new scanner.
|
ECATokenLexer(Reader in) |
Creates a new scanner
There is also a java.io.InputStream version of this constructor.
|
Modifier and Type | Method | 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.
|
void |
setFile(String file) |
|
void |
setStartLine(int startLine) |
|
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 |
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.
|
int |
yystate() |
Returns the current lexical state.
|
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 QUOTEDIDENT
public static final int YYINITIAL
public static final int COMMENT
public ECATokenLexer(Reader in)
in
- the java.io.Reader to read input from.public ECATokenLexer(InputStream in)
in
- the java.io.Inputstream to read input from.public void setStartLine(int startLine)
public void setFile(String file)
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 © 2018. All rights reserved.