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/*
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* 12/23/2010
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||||
*
|
||||
* ClojureTokenMaker.java - Scanner for Clojure.
|
||||
*
|
||||
* This library is distributed under a modified BSD license. See the included
|
||||
* RSyntaxTextArea.License.txt file for details.
|
||||
*/
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||||
package org.fife.ui.rsyntaxtextarea.modes;
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||||
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||||
import java.io.*;
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||||
import javax.swing.text.Segment;
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||||
|
||||
import org.fife.ui.rsyntaxtextarea.*;
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||||
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||||
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||||
/**
|
||||
* Scanner for the Clojure programming language.<p>
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||||
*
|
||||
* The original version of this class was graciously donated by the folks at the
|
||||
* <a href="http://pacific.mpi-cbg.de/wiki/index.php/Fiji">Fiji</a> project.
|
||||
* This version has been modified to fix a few issues.
|
||||
* Its original location was
|
||||
* <a href="http://pacific.mpi-cbg.de/cgi-bin/gitweb.cgi?p=fiji.git;a=tree;f=src-plugins/Script_Editor/fiji/scripting;hb=935d85d9d88dd780c6d5f2765937ddc18b5008ca">here</a>.
|
||||
* <p>
|
||||
*
|
||||
* This implementation was created using
|
||||
* <a href="http://www.jflex.de/">JFlex</a> 1.4.1; however, the generated file
|
||||
* was modified for performance. Memory allocation needs to be almost
|
||||
* completely removed to be competitive with the handwritten lexers (subclasses
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||||
* of <code>AbstractTokenMaker</code>, so this class has been modified so that
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||||
* Strings are never allocated (via yytext()), and the scanner never has to
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||||
* worry about refilling its buffer (needlessly copying chars around).
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||||
* We can achieve this because RText always scans exactly 1 line of tokens at a
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||||
* time, and hands the scanner this line as an array of characters (a Segment
|
||||
* really). Since tokens contain pointers to char arrays instead of Strings
|
||||
* holding their contents, there is no need for allocating new memory for
|
||||
* Strings.<p>
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||||
*
|
||||
* The actual algorithm generated for scanning has, of course, not been
|
||||
* modified.<p>
|
||||
*
|
||||
* If you wish to regenerate this file yourself, keep in mind the following:
|
||||
* <ul>
|
||||
* <li>The generated <code>ClojureTokenMaker.java</code> file will contain two
|
||||
* definitions of both <code>zzRefill</code> and <code>yyreset</code>.
|
||||
* You should hand-delete the second of each definition (the ones
|
||||
* generated by the lexer), as these generated methods modify the input
|
||||
* buffer, which we'll never have to do.</li>
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||||
* <li>You should also change the declaration/definition of zzBuffer to NOT
|
||||
* be initialized. This is a needless memory allocation for us since we
|
||||
* will be pointing the array somewhere else anyway.</li>
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||||
* <li>You should NOT call <code>yylex()</code> on the generated scanner
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||||
* directly; rather, you should use <code>getTokenList</code> as you would
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||||
* with any other <code>TokenMaker</code> instance.</li>
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* </ul>
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*
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||||
*
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||||
*/
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%%
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%public
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%class ClojureTokenMaker
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%extends AbstractJFlexTokenMaker
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%unicode
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%type org.fife.ui.rsyntaxtextarea.Token
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%{
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/**
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* Constructor. This must be here because JFlex does not generate a
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* no-parameter constructor.
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||||
*/
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||||
public ClojureTokenMaker() {
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}
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||||
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||||
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||||
/**
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* Adds the token specified to the current linked list of tokens.
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||||
*
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||||
* @param tokenType The token's type.
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* @see #addToken(int, int, int)
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*/
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||||
private void addHyperlinkToken(int start, int end, int tokenType) {
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||||
int so = start + offsetShift;
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addToken(zzBuffer, start,end, tokenType, so, true);
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}
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||||
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||||
|
||||
/**
|
||||
* Adds the token specified to the current linked list of tokens.
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||||
*
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||||
* @param tokenType The token's type.
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||||
*/
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private void addToken(int tokenType) {
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addToken(zzStartRead, zzMarkedPos-1, tokenType);
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}
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||||
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||||
|
||||
/**
|
||||
* Adds the token specified to the current linked list of tokens.
|
||||
*
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||||
* @param tokenType The token's type.
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||||
* @see #addHyperlinkToken(int, int, int)
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||||
*/
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private void addToken(int start, int end, int tokenType) {
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||||
int so = start + offsetShift;
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||||
addToken(zzBuffer, start,end, tokenType, so, false);
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||||
}
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||||
|
||||
|
||||
/**
|
||||
* Adds the token specified to the current linked list of tokens.
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||||
*
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||||
* @param array The character array.
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||||
* @param start The starting offset in the array.
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||||
* @param end The ending offset in the array.
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||||
* @param tokenType The token's type.
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||||
* @param startOffset The offset in the document at which this token
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||||
* occurs.
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* @param hyperlink Whether this token is a hyperlink.
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||||
*/
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||||
@Override
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||||
public void addToken(char[] array, int start, int end, int tokenType,
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||||
int startOffset, boolean hyperlink) {
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||||
super.addToken(array, start,end, tokenType, startOffset, hyperlink);
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||||
zzStartRead = zzMarkedPos;
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||||
}
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||||
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
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||||
*/
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||||
@Override
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||||
public String[] getLineCommentStartAndEnd(int languageIndex) {
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||||
return new String[] { ";", null };
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||||
}
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||||
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||||
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||||
/**
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||||
* Returns the first token in the linked list of tokens generated
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||||
* from <code>text</code>. This method must be implemented by
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||||
* subclasses so they can correctly implement syntax highlighting.
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||||
*
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||||
* @param text The text from which to get tokens.
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||||
* @param initialTokenType The token type we should start with.
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||||
* @param startOffset The offset into the document at which
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||||
* <code>text</code> starts.
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* @return The first <code>Token</code> in a linked list representing
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* the syntax highlighted text.
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||||
*/
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||||
public Token getTokenList(Segment text, int initialTokenType, int startOffset) {
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resetTokenList();
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||||
this.offsetShift = -text.offset + startOffset;
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||||
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||||
// Start off in the proper state.
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||||
int state = Token.NULL;
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||||
switch (initialTokenType) {
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||||
/*case Token.COMMENT_MULTILINE:
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||||
state = MLC;
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||||
start = text.offset;
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||||
break;
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||||
case Token.COMMENT_DOCUMENTATION:
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||||
state = DOCCOMMENT;
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||||
start = text.offset;
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||||
break;*/
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||||
case Token.LITERAL_STRING_DOUBLE_QUOTE:
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||||
state = STRING;
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||||
start = text.offset;
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||||
break;
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||||
default:
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||||
state = Token.NULL;
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||||
}
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||||
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||||
s = text;
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||||
try {
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||||
yyreset(zzReader);
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||||
yybegin(state);
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||||
return yylex();
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||||
} catch (IOException ioe) {
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||||
ioe.printStackTrace();
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||||
return new TokenImpl();
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||||
}
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||||
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||||
}
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||||
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||||
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||||
/**
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||||
* Refills the input buffer.
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||||
*
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||||
* @return <code>true</code> if EOF was reached, otherwise
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||||
* <code>false</code>.
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||||
*/
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||||
private boolean zzRefill() {
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||||
return zzCurrentPos>=s.offset+s.count;
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||||
}
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||||
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||||
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||||
/**
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||||
* Resets the scanner to read from a new input stream.
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||||
* Does not close the old reader.
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||||
*
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||||
* All internal variables are reset, the old input stream
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||||
* <b>cannot</b> be reused (internal buffer is discarded and lost).
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||||
* Lexical state is set to <tt>YY_INITIAL</tt>.
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||||
*
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||||
* @param reader the new input stream
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||||
*/
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||||
public final void yyreset(Reader reader) {
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||||
// 's' has been updated.
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||||
zzBuffer = s.array;
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||||
/*
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||||
* We replaced the line below with the two below it because zzRefill
|
||||
* no longer "refills" the buffer (since the way we do it, it's always
|
||||
* "full" the first time through, since it points to the segment's
|
||||
* array). So, we assign zzEndRead here.
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||||
*/
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||||
//zzStartRead = zzEndRead = s.offset;
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||||
zzStartRead = s.offset;
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||||
zzEndRead = zzStartRead + s.count - 1;
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||||
zzCurrentPos = zzMarkedPos = s.offset;
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||||
zzLexicalState = YYINITIAL;
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||||
zzReader = reader;
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||||
zzAtBOL = true;
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||||
zzAtEOF = false;
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||||
}
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||||
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||||
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||||
%}
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||||
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||||
|
||||
LineCommentBegin = (";")
|
||||
Keyword = ([:][a-zA-Z?!\-+*/][a-zA-Z0-9?!\-+*/]*)
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||||
NonzeroDigit = [1-9]
|
||||
Digit = ("0"|{NonzeroDigit})
|
||||
HexDigit = ({Digit}|[A-Fa-f])
|
||||
OctalDigit = ([0-7])
|
||||
EscapedSourceCharacter = ("u"{HexDigit}{HexDigit}{HexDigit}{HexDigit})
|
||||
Escape = ("\\"(([btnfr\"'\\])|([0123]{OctalDigit}?{OctalDigit}?)|({OctalDigit}{OctalDigit}?)|{EscapedSourceCharacter}))
|
||||
AnyCharacterButDoubleQuoteOrBackSlash = ([^\\\"\n])
|
||||
StringLiteralStart = ([\"])
|
||||
CharLiteral = ("\\."|"\\space"|"\\tab"|"\\newline")
|
||||
AnyCharacter = ([.]*)
|
||||
Separator = ([\(\)\{\}\[\]])
|
||||
NonSeparator = ([^\t\f\r\n\ \(\)\{\}\[\]\;\,\.\=\>\<\!\~\?\:\+\-\*\/\&\|\^\%\"\'])
|
||||
|
||||
BooleanLiteral =("true"|"false")
|
||||
|
||||
LineTerminator = (\n)
|
||||
WhiteSpace = ([ \t\f])
|
||||
|
||||
IntegerHelper1 = (({NonzeroDigit}{Digit}*)|"0")
|
||||
IntegerHelper2 = ("0"(([xX]{HexDigit}+)|({OctalDigit}*)))
|
||||
IntegerLiteral = ({IntegerHelper1}[lL]?)
|
||||
HexLiteral = ({IntegerHelper2}[lL]?)
|
||||
FloatHelper1 = ([fFdD]?)
|
||||
FloatHelper2 = ([eE][+-]?{Digit}+{FloatHelper1})
|
||||
FloatLiteral1 = ({Digit}+"."({FloatHelper1}|{FloatHelper2}|{Digit}+({FloatHelper1}|{FloatHelper2})))
|
||||
FloatLiteral2 = ("."{Digit}+({FloatHelper1}|{FloatHelper2}))
|
||||
FloatLiteral3 = ({Digit}+{FloatHelper2})
|
||||
FloatLiteral = ({FloatLiteral1}|{FloatLiteral2}|{FloatLiteral3}|({Digit}+[fFdD]))
|
||||
ErrorNumberFormat = (({IntegerLiteral}|{HexLiteral}|{FloatLiteral}){NonSeparator}+)
|
||||
|
||||
|
||||
Nil = ("nil")
|
||||
Quote = (\('\|`\))
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||||
Unquote = (\(\~@\|\~\))
|
||||
DispatchStart = ("#^"|"#^{")
|
||||
Dispatch = ({DispatchStart}[^\s\t\n;\"}]*([ \t\n;\"]|"}"))
|
||||
VarQuote = ("#'"[.]*[ \t\n;(\"])
|
||||
DefName = ([a-zA-Z0-9?!\-+*\./<>_]*)
|
||||
|
||||
NonAssignmentOperator = ("+"|"-"|"<="|"^"|"<"|"*"|">="|"%"|">"|"/"|"!="|"?"|">>"|"!"|"&"|"=="|":"|">>"|"~"|">>>")
|
||||
AssignmentOperator = ("=")
|
||||
Operator = ({NonAssignmentOperator}|{AssignmentOperator})
|
||||
|
||||
Letter = [A-Za-z]
|
||||
LetterOrUnderscore = ({Letter}|[_])
|
||||
Digit = [0-9]
|
||||
URLGenDelim = ([:\/\?#\[\]@])
|
||||
URLSubDelim = ([\!\$&'\(\)\*\+,;=])
|
||||
URLUnreserved = ({LetterOrUnderscore}|{Digit}|[\-\.\~])
|
||||
URLCharacter = ({URLGenDelim}|{URLSubDelim}|{URLUnreserved}|[%])
|
||||
URLCharacters = ({URLCharacter}*)
|
||||
URLEndCharacter = ([\/\$]|{Letter}|{Digit})
|
||||
URL = (((https?|f(tp|ile))"://"|"www.")({URLCharacters}{URLEndCharacter})?)
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||||
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||||
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||||
%state STRING
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||||
%state EOL_COMMENT
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||||
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||||
%%
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||||
|
||||
<YYINITIAL> {
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||||
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||||
"case" |
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||||
"class" |
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||||
"cond" |
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||||
"condp" |
|
||||
"def" |
|
||||
"defmacro" |
|
||||
"defn" |
|
||||
"do" |
|
||||
"fn" |
|
||||
"for" |
|
||||
"if" |
|
||||
"if-let" |
|
||||
"if-not" |
|
||||
"instance?" |
|
||||
"let" |
|
||||
"loop" |
|
||||
"monitor-enter" |
|
||||
"monitor-exit" |
|
||||
"new" |
|
||||
"quote" |
|
||||
"recur" |
|
||||
"set!" |
|
||||
"this" |
|
||||
"throw" |
|
||||
"try-finally" |
|
||||
"var" |
|
||||
"when" |
|
||||
"when-first" |
|
||||
"when-let" |
|
||||
"when-not" { addToken(Token.RESERVED_WORD); }
|
||||
|
||||
"*warn-on-reflection*" |
|
||||
"*1" |
|
||||
"*2" |
|
||||
"*3" |
|
||||
"*agent*" |
|
||||
"*allow-unresolved-args*" |
|
||||
"*assert*" |
|
||||
"*clojure-version*" |
|
||||
"*command-line-args*" |
|
||||
"*compile-files*" |
|
||||
"*compile-path*" |
|
||||
"*e" |
|
||||
"*err*" |
|
||||
"*file*" |
|
||||
"*flush-on-newline*" |
|
||||
"*fn-loader*" |
|
||||
"*in*" |
|
||||
"*math-context*" |
|
||||
"*ns*" |
|
||||
"*out*" |
|
||||
"*print-dup*" |
|
||||
"*print-length*" |
|
||||
"*print-level*" |
|
||||
"*print-meta*" |
|
||||
"*print-readably*" |
|
||||
"*read-eval*" |
|
||||
"*source-path*" |
|
||||
"*unchecked-math*" |
|
||||
"*use-context-classloader*" { addToken(Token.VARIABLE); }
|
||||
|
||||
"*current-namespace*" |
|
||||
"*in*" |
|
||||
"*out*" |
|
||||
"*print-meta*" |
|
||||
"->" |
|
||||
".." |
|
||||
"agent" |
|
||||
"agent-errors" |
|
||||
"agent-of" |
|
||||
"aget" |
|
||||
"alter" |
|
||||
"and" |
|
||||
"any" |
|
||||
"appl" |
|
||||
"apply" |
|
||||
"array" |
|
||||
"aset" |
|
||||
"aset-boolean" |
|
||||
"aset-byte" |
|
||||
"aset-double" |
|
||||
"aset-float" |
|
||||
"aset-int" |
|
||||
"aset-long" |
|
||||
"aset-short" |
|
||||
"assoc" |
|
||||
"binding" |
|
||||
"boolean" |
|
||||
"byte" |
|
||||
"char" |
|
||||
"clear-agent-errors" |
|
||||
"commute" |
|
||||
"comp" |
|
||||
"complement" |
|
||||
"concat" |
|
||||
"conj" |
|
||||
"cons" |
|
||||
"constantly" |
|
||||
"count" |
|
||||
"cycle" |
|
||||
"dec" |
|
||||
"defmethod" |
|
||||
"defmulti" |
|
||||
"delay" |
|
||||
"deref" |
|
||||
"dissoc" |
|
||||
"doseq" |
|
||||
"dotimes" |
|
||||
"doto" |
|
||||
"double" |
|
||||
"drop" |
|
||||
"drop-while" |
|
||||
"ensure" |
|
||||
"eql-ref?" |
|
||||
"eql?" |
|
||||
"eval" |
|
||||
"every" |
|
||||
"ffirst" |
|
||||
"filter" |
|
||||
"find" |
|
||||
"find-var" |
|
||||
"first" |
|
||||
"float" |
|
||||
"fnseq" |
|
||||
"frest" |
|
||||
"gensym" |
|
||||
"get" |
|
||||
"hash-map" |
|
||||
"identity" |
|
||||
"implement" |
|
||||
"import" |
|
||||
"in-namespace" |
|
||||
"inc" |
|
||||
"int" |
|
||||
"into" |
|
||||
"into-array" |
|
||||
"iterate" |
|
||||
"key" |
|
||||
"keys" |
|
||||
"lazy-cons" |
|
||||
"list" |
|
||||
"list*" |
|
||||
"load-file" |
|
||||
"locking" |
|
||||
"long" |
|
||||
"make-array" |
|
||||
"make-proxy" |
|
||||
"map" |
|
||||
"mapcat" |
|
||||
"max" |
|
||||
"memfn" |
|
||||
"merge" |
|
||||
"meta" |
|
||||
"min" |
|
||||
"name" |
|
||||
"namespace" |
|
||||
"neg?" |
|
||||
"newline" |
|
||||
"nil?" |
|
||||
"not" |
|
||||
"not-any" |
|
||||
"not-every" |
|
||||
"nth" |
|
||||
"or" |
|
||||
"peek" |
|
||||
"pmap" |
|
||||
"pop" |
|
||||
"pos?" |
|
||||
"print" |
|
||||
"prn" |
|
||||
"quot" |
|
||||
"range" |
|
||||
"read" |
|
||||
"reduce" |
|
||||
"ref" |
|
||||
"refer" |
|
||||
"rem" |
|
||||
"remove-method" |
|
||||
"repeat" |
|
||||
"replicate" |
|
||||
"rest" |
|
||||
"reverse" |
|
||||
"rfirst" |
|
||||
"rrest" |
|
||||
"rseq" |
|
||||
"second" |
|
||||
"seq" |
|
||||
"set" |
|
||||
"short" |
|
||||
"sorted-map" |
|
||||
"sorted-map-by" |
|
||||
"split-at" |
|
||||
"split-with" |
|
||||
"str" |
|
||||
"strcat" |
|
||||
"sym" |
|
||||
"sync" |
|
||||
"take" |
|
||||
"take-while" |
|
||||
"time" |
|
||||
"unimport" |
|
||||
"unintern" |
|
||||
"unrefer" |
|
||||
"val" |
|
||||
"vals" |
|
||||
"vector" |
|
||||
"with-meta" |
|
||||
"zero?" |
|
||||
"zipmap" { addToken(Token.FUNCTION); }
|
||||
|
||||
{LineTerminator} { addNullToken(); return firstToken; }
|
||||
|
||||
{WhiteSpace}+ { addToken(Token.WHITESPACE); }
|
||||
|
||||
{CharLiteral} { addToken(Token.LITERAL_CHAR); }
|
||||
{StringLiteralStart} { start = zzMarkedPos-1; yybegin(STRING); }
|
||||
|
||||
{Nil} { addToken(Token.DATA_TYPE); }
|
||||
|
||||
{BooleanLiteral} { addToken(Token.LITERAL_BOOLEAN); }
|
||||
|
||||
|
||||
{Quote} { addToken(Token.SEPARATOR); }
|
||||
{Unquote} { addToken(Token.SEPARATOR); }
|
||||
{VarQuote} { addToken(Token.SEPARATOR); }
|
||||
{Dispatch} { addToken(Token.DATA_TYPE); }
|
||||
|
||||
{LineCommentBegin} { start = zzMarkedPos-1; yybegin(EOL_COMMENT); }
|
||||
|
||||
{Separator} { addToken(Token.SEPARATOR); }
|
||||
|
||||
{Operator} { addToken(Token.OPERATOR); }
|
||||
|
||||
{IntegerLiteral} { addToken(Token.LITERAL_NUMBER_DECIMAL_INT); }
|
||||
{HexLiteral} { addToken(Token.LITERAL_NUMBER_HEXADECIMAL); }
|
||||
{FloatLiteral} { addToken(Token.LITERAL_NUMBER_FLOAT); }
|
||||
{ErrorNumberFormat} { addToken(Token.ERROR_NUMBER_FORMAT); }
|
||||
{Keyword} { addToken(Token.PREPROCESSOR); }
|
||||
{DefName} { addToken(Token.IDENTIFIER); }
|
||||
|
||||
<<EOF>> { addNullToken(); return firstToken; }
|
||||
|
||||
. { addToken(Token.ERROR_IDENTIFIER); }
|
||||
|
||||
}
|
||||
|
||||
<STRING> {
|
||||
[^\n\\\"]+ {}
|
||||
\\.? { /* Skip escaped chars. */ }
|
||||
\"\" {}
|
||||
\" { yybegin(YYINITIAL); addToken(start,zzStartRead, Token.LITERAL_STRING_DOUBLE_QUOTE); }
|
||||
\n |
|
||||
<<EOF>> { addToken(start,zzStartRead-1, Token.LITERAL_STRING_DOUBLE_QUOTE); return firstToken; }
|
||||
}
|
||||
|
||||
<EOL_COMMENT> {
|
||||
[^hwf\n]+ {}
|
||||
{URL} { int temp=zzStartRead; addToken(start,zzStartRead-1, Token.COMMENT_EOL); addHyperlinkToken(temp,zzMarkedPos-1, Token.COMMENT_EOL); start = zzMarkedPos; }
|
||||
[hwf] {}
|
||||
\n |
|
||||
<<EOF>> { addToken(start,zzStartRead-1, Token.COMMENT_EOL); addNullToken(); return firstToken; }
|
||||
|
||||
}
|
||||
Reference in new issue
Block a user