parseexception.html

Axion 是一个小型的

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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html">Object</A></B></TD>
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<A NAME="specialConstructor"><!-- --></A><H3>
specialConstructor</H3>
<PRE>
protected boolean <B>specialConstructor</B></PRE>
<DL>
<DD>This variable determines which constructor was used to create
 this object and thereby affects the semantics of the
 "getMessage" method (see below).</DL>
<HR>

<A NAME="currentToken"><!-- --></A><H3>
currentToken</H3>
<PRE>
public <A HREF="../../../org/axiondb/parser/Token.html">Token</A> <B>currentToken</B></PRE>
<DL>
<DD>This is the last token that has been consumed successfully.  If
 this object has been created due to a parse error, the token
 followng this token will (therefore) be the first error token.</DL>
<HR>

<A NAME="expectedTokenSequences"><!-- --></A><H3>
expectedTokenSequences</H3>
<PRE>
public int[][] <B>expectedTokenSequences</B></PRE>
<DL>
<DD>Each entry in this array is an array of integers.  Each array
 of integers represents a sequence of tokens (by their ordinal
 values) that is expected at this point of the parse.</DL>
<HR>

<A NAME="tokenImage"><!-- --></A><H3>
tokenImage</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A>[] <B>tokenImage</B></PRE>
<DL>
<DD>This is a reference to the "tokenImage" array of the generated
 parser within which the parse error occurred.  This array is
 defined in the generated ...Constants interface.</DL>
<HR>

<A NAME="eol"><!-- --></A><H3>
eol</H3>
<PRE>
protected <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A> <B>eol</B></PRE>
<DL>
<DD>The end of line string for this machine.</DL>

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<A NAME="ParseException(org.axiondb.parser.Token, int[][], java.lang.String[])"><!-- --></A><H3>
ParseException</H3>
<PRE>
public <B>ParseException</B>(<A HREF="../../../org/axiondb/parser/Token.html">Token</A>&nbsp;currentTokenVal,
                      int[][]&nbsp;expectedTokenSequencesVal,
                      <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A>[]&nbsp;tokenImageVal)</PRE>
<DL>
<DD>This constructor is used by the method "generateParseException"
 in the generated parser.  Calling this constructor generates
 a new object of this type with the fields "currentToken",
 "expectedTokenSequences", and "tokenImage" set.  The boolean
 flag "specialConstructor" is also set to true to indicate that
 this constructor was used to create this object.
 This constructor calls its super class with the empty string
 to force the "toString" method of parent class "Throwable" to
 print the error message in the form:
     ParseException: <result of getMessage></DL>
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<A NAME="ParseException()"><!-- --></A><H3>
ParseException</H3>
<PRE>
public <B>ParseException</B>()</PRE>
<DL>
<DD>The following constructors are for use by you for whatever
 purpose you can think of.  Constructing the exception in this
 manner makes the exception behave in the normal way - i.e., as
 documented in the class "Throwable".  The fields "errorToken",
 "expectedTokenSequences", and "tokenImage" do not contain
 relevant information.  The JavaCC generated code does not use
 these constructors.</DL>
<HR>

<A NAME="ParseException(java.lang.String)"><!-- --></A><H3>
ParseException</H3>
<PRE>
public <B>ParseException</B>(<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A>&nbsp;message)</PRE>
<DL>
</DL>

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<A NAME="getMessage()"><!-- --></A><H3>
getMessage</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A> <B>getMessage</B>()</PRE>
<DL>
<DD>This method has the standard behavior when this object has been
 created using the standard constructors.  Otherwise, it uses
 "currentToken" and "expectedTokenSequences" to generate a parse
 error message and returns it.  If this object has been created
 due to a parse error, and you do not catch it (it gets thrown
 from the parser), then this method is called during the printing
 of the final stack trace, and hence the correct error message
 gets displayed.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Throwable.html#getMessage()">getMessage</A></CODE> in class <CODE><A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Throwable.html">Throwable</A></CODE></DL>
</DD>
</DL>
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<A NAME="add_escapes(java.lang.String)"><!-- --></A><H3>
add_escapes</H3>
<PRE>
protected <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A> <B>add_escapes</B>(<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/String.html">String</A>&nbsp;str)</PRE>
<DL>
<DD>Used to convert raw characters to their escaped version
 when these raw version cannot be used as part of an ASCII
 string literal.</DL>
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