blob: 01e13d02bb21246b7022ee8516bb768b128b4389 [file] [log] [blame]
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.airavata.datacat.parsers.gridchem.scfa;/* The following code was generated by JFlex 1.4.3 on 9/15/14 3:42 PM */
import java_cup.runtime.Symbol;
import org.apache.airavata.datacat.parsers.gridchem.Settings;
/**
* This class is a scanner generated by
* <a href="http://www.jflex.de/">JFlex</a> 1.4.3
* on 9/15/14 3:42 PM from the specification file
* <tt>scfa.flex</tt>
*/
public class SCFaLexer implements java_cup.runtime.Scanner {
/** This character denotes the end of file */
public static final int YYEOF = -1;
/** initial size of the lookahead buffer */
private static final int ZZ_BUFFERSIZE = 16384;
/** lexical states */
public static final int ITER2 = 4;
public static final int INTVALUE = 8;
public static final int IGNOREALL = 16;
public static final int ITER = 2;
public static final int YYINITIAL = 0;
public static final int FLOAT2 = 14;
public static final int FLOAT1 = 12;
public static final int FLOATVALUE = 10;
public static final int ITER3 = 6;
/**
* ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
* ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
* at the beginning of a line
* l is of the form l = 2*k, k a non negative integer
*/
private static final int ZZ_LEXSTATE[] = {
0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 4, 4, 2, 2, 2, 2,
2, 2
};
/**
* Translates characters to character classes
*/
private static final char [] ZZ_CMAP = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6, 0, 0, 0, 0, 0, 0, 0, 21, 5, 0, 2, 0, 2, 3, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 14, 0, 0, 4, 0, 0,
0, 0, 0, 12, 18, 17, 13, 0, 23, 0, 0, 0, 0, 0, 0, 0,
0, 0, 24, 11, 0, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 16, 0, 9, 0, 0, 8, 0, 0, 0, 10, 0, 20, 19,
0, 0, 0, 7, 0, 0, 0, 0, 0, 15, 0, 0, 2, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/**
* Translates DFA states to action switch labels.
*/
private static final int [] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\5\0\5\1\1\2\3\1\7\0\1\3\2\0\1\4"+
"\5\0\1\5\12\0\1\6\15\0\1\7\1\10";
private static int [] zzUnpackAction() {
int [] result = new int[57];
int offset = 0;
offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAction(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/**
* Translates a state to a row index in the transition table
*/
private static final int [] ZZ_ROWMAP = zzUnpackRowMap();
private static final String ZZ_ROWMAP_PACKED_0 =
"\0\0\0\31\0\62\0\113\0\144\0\175\0\226\0\257"+
"\0\310\0\341\0\372\0\372\0\u0113\0\u012c\0\u0145\0\u015e"+
"\0\u0177\0\u0190\0\u0113\0\u01a9\0\u01c2\0\175\0\u01db\0\u01f4"+
"\0\u01a9\0\u020d\0\u0226\0\u023f\0\u0258\0\u0271\0\175\0\u028a"+
"\0\u02a3\0\u02bc\0\u02d5\0\u02ee\0\u0307\0\u0320\0\u0339\0\u0352"+
"\0\u036b\0\175\0\u0384\0\u039d\0\u03b6\0\u03cf\0\u03e8\0\u0401"+
"\0\u041a\0\u0433\0\u044c\0\u0465\0\u047e\0\u0497\0\u04b0\0\175"+
"\0\175";
private static int [] zzUnpackRowMap() {
int [] result = new int[57];
int offset = 0;
offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
return result;
}
private static int zzUnpackRowMap(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int high = packed.charAt(i++) << 16;
result[j++] = high | packed.charAt(i++);
}
return j;
}
/**
* The transition table of the DFA
*/
private static final int [] ZZ_TRANS = zzUnpackTrans();
private static final String ZZ_TRANS_PACKED_0 =
"\6\6\1\7\30\6\1\10\4\6\1\11\1\12\46\6"+
"\1\13\1\14\27\6\1\15\1\16\26\6\40\0\1\17"+
"\42\0\1\20\23\0\1\21\33\0\1\22\12\0\1\13"+
"\30\0\1\23\1\0\1\24\26\0\1\23\37\0\1\25"+
"\24\0\1\26\41\0\1\27\33\0\1\30\11\0\1\31"+
"\40\0\1\32\25\0\1\33\34\0\1\34\30\0\1\35"+
"\40\0\1\36\17\0\1\37\31\0\1\40\41\0\1\41"+
"\13\0\1\42\46\0\1\43\17\0\1\44\26\0\1\45"+
"\33\0\1\46\32\0\1\47\27\0\1\50\21\0\1\51"+
"\40\0\1\52\20\0\1\53\43\0\1\54\34\0\1\55"+
"\31\0\1\56\1\0\1\57\27\0\1\60\30\0\1\61"+
"\16\0\1\62\30\0\1\63\20\0\1\64\30\0\1\65"+
"\31\0\1\66\30\0\1\67\26\0\1\70\30\0\1\71"+
"\24\0";
private static int [] zzUnpackTrans() {
int [] result = new int[1225];
int offset = 0;
offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
return result;
}
private static int zzUnpackTrans(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
value--;
do result[j++] = value; while (--count > 0);
}
return j;
}
/* error codes */
private static final int ZZ_UNKNOWN_ERROR = 0;
private static final int ZZ_NO_MATCH = 1;
private static final int ZZ_PUSHBACK_2BIG = 2;
/* error messages for the codes above */
private static final String ZZ_ERROR_MSG[] = {
"Unkown internal scanner error",
"Error: could not match input",
"Error: pushback value was too large"
};
/**
* ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
*/
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\5\0\1\11\10\1\7\0\1\11\2\0\1\1\5\0"+
"\1\11\12\0\1\11\15\0\2\11";
private static int [] zzUnpackAttribute() {
int [] result = new int[57];
int offset = 0;
offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAttribute(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/** the input device */
private java.io.Reader zzReader;
/** the current state of the DFA */
private int zzState;
/** the current lexical state */
private int zzLexicalState = YYINITIAL;
/** this buffer contains the current text to be matched and is
the source of the yytext() string */
private char zzBuffer[] = new char[ZZ_BUFFERSIZE];
/** the textposition at the last accepting state */
private int zzMarkedPos;
/** the current text position in the buffer */
private int zzCurrentPos;
/** startRead marks the beginning of the yytext() string in the buffer */
private int zzStartRead;
/** endRead marks the last character in the buffer, that has been read
from input */
private int zzEndRead;
/** number of newlines encountered up to the start of the matched text */
private int yyline;
/** the number of characters up to the start of the matched text */
private int yychar;
/**
* the number of characters from the last newline up to the start of the
* matched text
*/
private int yycolumn;
/**
* zzAtBOL == true <=> the scanner is currently at the beginning of a line
*/
private boolean zzAtBOL = true;
/** zzAtEOF == true <=> the scanner is at the EOF */
private boolean zzAtEOF;
/** denotes if the user-EOF-code has already been executed */
private boolean zzEOFDone;
/* user code: */
public static boolean DEBUG = false;
/**
* Creates a new scanner
* There is also a java.io.InputStream version of this constructor.
*
* @param in the java.io.Reader to read input from.
*/
public SCFaLexer(java.io.Reader in) {
this.zzReader = in;
}
/**
* Creates a new scanner.
* There is also java.io.Reader version of this constructor.
*
* @param in the java.io.Inputstream to read input from.
*/
public SCFaLexer(java.io.InputStream in) {
this(new java.io.InputStreamReader(in));
}
/**
* Refills the input buffer.
*
* @return <code>false</code>, iff there was new input.
*
* @exception java.io.IOException if any I/O-Error occurs
*/
private boolean zzRefill() throws java.io.IOException {
/* first: make room (if you can) */
if (zzStartRead > 0) {
System.arraycopy(zzBuffer, zzStartRead,
zzBuffer, 0,
zzEndRead-zzStartRead);
/* translate stored positions */
zzEndRead-= zzStartRead;
zzCurrentPos-= zzStartRead;
zzMarkedPos-= zzStartRead;
zzStartRead = 0;
}
/* is the buffer big enough? */
if (zzCurrentPos >= zzBuffer.length) {
/* if not: blow it up */
char newBuffer[] = new char[zzCurrentPos*2];
System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
zzBuffer = newBuffer;
}
/* finally: fill the buffer with new input */
int numRead = zzReader.read(zzBuffer, zzEndRead,
zzBuffer.length-zzEndRead);
if (numRead > 0) {
zzEndRead+= numRead;
return false;
}
// unlikely but not impossible: read 0 characters, but not at end of stream
if (numRead == 0) {
int c = zzReader.read();
if (c == -1) {
return true;
} else {
zzBuffer[zzEndRead++] = (char) c;
return false;
}
}
// numRead < 0
return true;
}
/**
* Closes the input stream.
*/
public final void yyclose() throws java.io.IOException {
zzAtEOF = true; /* indicate end of file */
zzEndRead = zzStartRead; /* invalidate buffer */
if (zzReader != null)
zzReader.close();
}
/**
* Resets the scanner to read from a new input stream.
* Does not close the old reader.
*
* All internal variables are reset, the old input stream
* <b>cannot</b> be reused (internal buffer is discarded and lost).
* Lexical state is set to <tt>ZZ_INITIAL</tt>.
*
* @param reader the new input stream
*/
public final void yyreset(java.io.Reader reader) {
zzReader = reader;
zzAtBOL = true;
zzAtEOF = false;
zzEOFDone = false;
zzEndRead = zzStartRead = 0;
zzCurrentPos = zzMarkedPos = 0;
yyline = yychar = yycolumn = 0;
zzLexicalState = YYINITIAL;
}
/**
* Returns the current lexical state.
*/
public final int yystate() {
return zzLexicalState;
}
/**
* Enters a new lexical state
*
* @param newState the new lexical state
*/
public final void yybegin(int newState) {
zzLexicalState = newState;
}
/**
* Returns the text matched by the current regular expression.
*/
public final String yytext() {
return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
}
/**
* Returns the character at position <tt>pos</tt> from the
* matched text.
*
* It is equivalent to yytext().charAt(pos), but faster
*
* @param pos the position of the character to fetch.
* A value from 0 to yylength()-1.
*
* @return the character at position pos
*/
public final char yycharat(int pos) {
return zzBuffer[zzStartRead+pos];
}
/**
* Returns the length of the matched text region.
*/
public final int yylength() {
return zzMarkedPos-zzStartRead;
}
/**
* Reports an error that occured while scanning.
*
* In a wellformed scanner (no or only correct usage of
* yypushback(int) and a match-all fallback rule) this method
* will only be called with things that "Can't Possibly Happen".
* If this method is called, something is seriously wrong
* (e.g. a JFlex bug producing a faulty scanner etc.).
*
* Usual syntax/scanner level error handling should be done
* in error fallback rules.
*
* @param errorCode the code of the errormessage to display
*/
private void zzScanError(int errorCode) {
String message;
try {
message = ZZ_ERROR_MSG[errorCode];
}
catch (ArrayIndexOutOfBoundsException e) {
message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
}
throw new Error(message);
}
/**
* Pushes the specified amount of characters back into the input stream.
*
* They will be read again by then next call of the scanning method
*
* @param number the number of characters to be read again.
* This number must not be greater than yylength()!
*/
public void yypushback(int number) {
if ( number > yylength() )
zzScanError(ZZ_PUSHBACK_2BIG);
zzMarkedPos -= number;
}
/**
* Contains user EOF-code, which will be executed exactly once,
* when the end of file is reached
*/
private void zzDoEOF() throws java.io.IOException {
if (!zzEOFDone) {
zzEOFDone = true;
yyclose();
}
}
/**
* Resumes scanning until the next regular expression is matched,
* the end of input is encountered or an I/O-Error occurs.
*
* @return the next token
* @exception java.io.IOException if any I/O-Error occurs
*/
public java_cup.runtime.Symbol next_token() throws java.io.IOException {
int zzInput;
int zzAction;
// cached fields:
int zzCurrentPosL;
int zzMarkedPosL;
int zzEndReadL = zzEndRead;
char [] zzBufferL = zzBuffer;
char [] zzCMapL = ZZ_CMAP;
int [] zzTransL = ZZ_TRANS;
int [] zzRowMapL = ZZ_ROWMAP;
int [] zzAttrL = ZZ_ATTRIBUTE;
while (true) {
zzMarkedPosL = zzMarkedPos;
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = ZZ_LEXSTATE[zzLexicalState];
zzForAction: {
while (true) {
if (zzCurrentPosL < zzEndReadL)
zzInput = zzBufferL[zzCurrentPosL++];
else if (zzAtEOF) {
zzInput = YYEOF;
break zzForAction;
}
else {
// store back cached positions
zzCurrentPos = zzCurrentPosL;
zzMarkedPos = zzMarkedPosL;
boolean eof = zzRefill();
// get translated positions and possibly new buffer
zzCurrentPosL = zzCurrentPos;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
zzEndReadL = zzEndRead;
if (eof) {
zzInput = YYEOF;
break zzForAction;
}
else {
zzInput = zzBufferL[zzCurrentPosL++];
}
}
int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
if (zzNext == -1) break zzForAction;
zzState = zzNext;
int zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ( (zzAttributes & 8) == 8 ) break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 6:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Found Shell SCF");
yybegin(ITER);
return new Symbol(SCFaSym.FOUNDITER);
}
case 9: break;
case 5:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Found the cycle number");
yybegin(INTVALUE);
return new Symbol(SCFaSym.NSearch);
}
case 10: break;
case 7:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Done");
yybegin(IGNOREALL);
return new Symbol(SCFaSym.SCFDONE);
}
case 11: break;
case 2:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Found iteration");
if (Settings.DEBUG) System.out.println(yytext());
yybegin (ITER);
return new Symbol(SCFaSym.ITERATION, new Integer(yytext()));
}
case 12: break;
case 8:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Found the energy");
yybegin(IGNOREALL);
return new Symbol(SCFaSym.SCFDONE);
}
case 13: break;
case 4:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Found in FLOATVALUE the energy");
if (Settings.DEBUG) System.out.println(yytext());
yybegin(ITER);
return new Symbol(SCFaSym.ENERGY, new Float(yytext()));
}
case 14: break;
case 3:
{ if (Settings.DEBUG) System.out.println("SCFaFlex: Found the energy");
yybegin(FLOATVALUE);
return new Symbol(SCFaSym.Energ);
}
case 15: break;
case 1:
{
}
case 16: break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
zzDoEOF();
{ return new java_cup.runtime.Symbol(SCFaSym.EOF); }
}
else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
/**
* Converts an int token code into the name of the
* token by reflection on the cup symbol class/interface sym
*
* This code was contributed by Karl Meissner <meissnersd@yahoo.com>
*/
private String getTokenName(int token) {
try {
java.lang.reflect.Field [] classFields = SCFaSym.class.getFields();
for (int i = 0; i < classFields.length; i++) {
if (classFields[i].getInt(null) == token) {
return classFields[i].getName();
}
}
} catch (Exception e) {
e.printStackTrace(System.err);
}
return "UNKNOWN TOKEN";
}
/**
* Same as next_token but also prints the token to standard out
* for debugging.
*
* This code was contributed by Karl Meissner <meissnersd@yahoo.com>
*/
public java_cup.runtime.Symbol debug_next_token() throws java.io.IOException {
java_cup.runtime.Symbol s = next_token();
System.out.println( " --"+ yytext() + "--" + getTokenName(s.sym) + "--");
return s;
}
/**
* Runs the scanner on input files.
*
* This is a standalone scanner, it will print any unmatched
* text to System.out unchanged.
*
* @param argv the command line, contains the filenames to run
* the scanner on.
*/
public static void main(String argv[]) {
if (argv.length == 0) {
System.out.println("Usage : java SCFaLexer <inputfile>");
}
else {
for (int i = 0; i < argv.length; i++) {
SCFaLexer scanner = null;
try {
scanner = new SCFaLexer( new java.io.FileReader(argv[i]) );
while ( !scanner.zzAtEOF ) scanner.next_token();
}
catch (java.io.FileNotFoundException e) {
System.out.println("File not found : \""+argv[i]+"\"");
}
catch (java.io.IOException e) {
System.out.println("IO error scanning file \""+argv[i]+"\"");
System.out.println(e);
}
catch (Exception e) {
System.out.println("Unexpected exception:");
e.printStackTrace();
}
}
}
}
}