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java.lang.Objectpolyglot.parse.Lexer_c
public class Lexer_c
This class is a scanner generated by JFlex 1.3.5 on 6/1/06 10:23 PM from the specification file file:/Users/nystrom/Research/eclipse/polyglot/src/polyglot/parse/java.flex
Field Summary | |
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static int |
CHARACTER
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static int |
END_OF_LINE_COMMENT
lexical states |
static int |
STRING
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static int |
TRADITIONAL_COMMENT
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static int |
YYEOF
This character denotes the end of file |
static int |
YYINITIAL
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Constructor Summary | |
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Lexer_c(java.io.InputStream in)
Creates a new scanner. |
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Lexer_c(java.io.Reader in)
Creates a new scanner There is also a java.io.InputStream version of this constructor. |
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Lexer_c(java.io.Reader reader,
FileSource file,
ErrorQueue eq)
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Method Summary | |
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java.lang.String |
file()
The file being scanned, for use in constructing diagnostic messages. |
protected void |
init_keywords()
|
Token |
nextToken()
Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs. |
java.lang.String |
path()
The path to the file being scanned, for use in constructing diagnostic messages. |
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 |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int YYEOF
public static final int END_OF_LINE_COMMENT
public static final int STRING
public static final int YYINITIAL
public static final int CHARACTER
public static final int TRADITIONAL_COMMENT
Constructor Detail |
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public Lexer_c(java.io.Reader reader, FileSource file, ErrorQueue eq)
public Lexer_c(java.io.Reader in)
in
- the java.io.Reader to read input from.public Lexer_c(java.io.InputStream in)
in
- the java.io.Inputstream to read input from.Method Detail |
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protected void init_keywords()
public java.lang.String file()
Lexer
file
in interface Lexer
public java.lang.String path()
Lexer
path
in interface Lexer
public 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()
public Token nextToken() throws java.io.IOException
nextToken
in interface Lexer
IOException
- if any I/O-Error occurs
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