/* The following code was generated by JFlex 1.4.3 on 1/4/11 9:30 PM */
/*
Craftbook
Copyright (C) 2010 Lymia <lymiahugs@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.craftbook.mech.ic.custom;
import com.sk89q.craftbook.mech.ic.custom.Symbol;
import java.io.File;
import java.io.IOException;
import static com.sk89q.craftbook.mech.ic.custom.CustomICSym.*;
//Yeah, JFlex might be a bit heavy for this...
//But, still. It'll be useful for later features (i.e. higher level languages).
@SuppressWarnings("unused")
/**
* This class is a scanner generated by
* <a href="http://www.jflex.de/">JFlex</a> 1.4.3
* on 1/4/11 9:30 PM from the specification file
* <tt>F:/hiedanoakyu/craftbook/src/com/sk89q/craftbook/ic/custom/CustomICScanner.lex</tt>
*/
final class CustomICScanner {
/**
* This character denotes the end of file
*/
private static final int YYEOF = -1;
/**
* initial size of the lookahead buffer
*/
private static final int ZZ_BUFFERSIZE = 16384;
/**
* lexical states
*/
private static final int YYINITIAL = 0;
private static final int FILE = 4;
private static final int PROGRAM = 2;
/**
* 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
};
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED =
"\11\0\1\3\1\2\1\0\1\3\1\1\22\0\1\3\14\0\2\4" +
"\1\5\12\4\1\6\2\0\1\7\3\0\32\4\4\0\1\4\1\0" +
"\1\4\1\10\1\4\1\17\1\11\1\15\1\12\1\4\1\13\2\4" +
"\1\16\1\4\1\14\14\4\uff85\0";
/**
* Translates characters to character classes
*/
private static final char[] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);
/**
* Translates DFA states to action switch labels.
*/
private static final int[] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\3\0\1\1\2\2\1\3\2\1\3\4\2\5\10\0" +
"\1\6\1\3\5\0\1\7\2\0\1\10\1\11";
private static int[] zzUnpackAction() {
int[] result = new int[34];
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\20\0\40\0\60\0\100\0\60\0\120\0\140" +
"\0\160\0\60\0\200\0\220\0\240\0\60\0\260\0\300" +
"\0\320\0\160\0\340\0\360\0\220\0\u0100\0\260\0\300" +
"\0\u0110\0\u0120\0\u0130\0\u0140\0\u0150\0\60\0\u0160\0\u0170" +
"\0\60\0\60";
private static int[] zzUnpackRowMap() {
int[] result = new int[34];
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 =
"\1\4\1\5\2\6\1\7\1\10\1\4\1\11\10\7" +
"\1\12\1\13\1\14\16\12\1\15\1\16\15\12\22\0" +
"\1\6\21\0\1\7\1\17\1\20\1\0\10\7\5\0" +
"\1\21\13\0\3\22\4\0\1\23\4\0\1\24\4\0" +
"\2\25\5\0\1\26\11\0\1\25\5\0\1\26\10\0" +
"\1\16\21\0\1\27\3\0\10\27\4\0\1\30\3\0" +
"\10\30\1\21\1\5\1\6\15\21\11\0\1\31\21\0" +
"\1\32\20\0\1\33\15\0\1\34\23\0\1\35\20\0" +
"\1\36\13\0\1\37\15\0\1\40\22\0\1\41\11\0" +
"\1\42\11\0";
private static int[] zzUnpackTrans() {
int[] result = new int[384];
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 =
"\3\0\1\11\1\1\1\11\3\1\1\11\3\1\1\11" +
"\10\0\2\1\5\0\1\11\2\0\2\11";
private static int[] zzUnpackAttribute() {
int[] result = new int[34];
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: */
private StringBuilder s = new StringBuilder();
private Symbol sym(int type) {
return sym(type, yytext());
}
private Symbol sym(int type, Object value) {
return new Symbol(type, value, yyline, yycolumn);
}
public Symbol next() throws IOException, UnknownTokenException {
return yylex();
}
/**
* 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.
*/
CustomICScanner(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.
*/
CustomICScanner(java.io.InputStream in) {
this(new java.io.InputStreamReader(in));
}
/**
* Unpacks the compressed character translation table.
*
* @param packed the packed character translation table
*
* @return the unpacked character translation table
*/
private static char[] zzUnpackCMap(String packed) {
char[] map = new char[0x10000];
int i = 0; /* index in packed string */
int j = 0; /* index in unpacked array */
while (i < 70) {
int count = packed.charAt(i++);
char value = packed.charAt(i++);
do map[j++] = value; while (--count > 0);
}
return map;
}
/**
* Refills the input buffer.
*
* @return <code>false</code>, iff there was new input.
*
* @throws 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.
*/
private 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
*/
private 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.
*/
private final int yystate() {
return zzLexicalState;
}
/**
* Enters a new lexical state
*
* @param newState the new lexical state
*/
private final void yybegin(int newState) {
zzLexicalState = newState;
}
/**
* Returns the text matched by the current regular expression.
*/
private 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
*/
private final char yycharat(int pos) {
return zzBuffer[zzStartRead + pos];
}
/**
* Returns the length of the matched text region.
*/
private 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()!
*/
private void yypushback(int number) {
if (number > yylength())
zzScanError(ZZ_PUSHBACK_2BIG);
zzMarkedPos -= number;
}
/**
* 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
*
* @throws java.io.IOException if any I/O-Error occurs
*/
private Symbol yylex() throws java.io.IOException, UnknownTokenException {
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;
boolean zzR = false;
for (zzCurrentPosL = zzStartRead; zzCurrentPosL < zzMarkedPosL;
zzCurrentPosL++) {
switch (zzBufferL[zzCurrentPosL]) {
case '\u000B':
case '\u000C':
case '\u0085':
case '\u2028':
case '\u2029':
yyline++;
yycolumn = 0;
zzR = false;
break;
case '\r':
yyline++;
yycolumn = 0;
zzR = true;
break;
case '\n':
if (zzR)
zzR = false;
else {
yyline++;
yycolumn = 0;
}
break;
default:
zzR = false;
yycolumn++;
}
}
if (zzR) {
// peek one character ahead if it is \n (if we have counted one line too much)
boolean zzPeek;
if (zzMarkedPosL < zzEndReadL)
zzPeek = zzBufferL[zzMarkedPosL] == '\n';
else if (zzAtEOF)
zzPeek = false;
else {
boolean eof = zzRefill();
zzEndReadL = zzEndRead;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
if (eof)
zzPeek = false;
else
zzPeek = zzBufferL[zzMarkedPosL] == '\n';
}
if (zzPeek) yyline--;
}
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 1: {
throw new UnknownTokenException(yyline, yycolumn);
}
case 10:
break;
case 8: {
s.setLength(0);
yybegin(PROGRAM);
}
case 11:
break;
case 6: {
return sym(SYM_TYPE, new Type(yytext()));
}
case 12:
break;
case 5: {
yybegin(YYINITIAL);
return sym(SYM_FILE, new File(s.toString()));
}
case 13:
break;
case 9: {
s.setLength(0);
yybegin(FILE);
}
case 14:
break;
case 3: {
return sym(SYM_NAME, new Name(yytext()));
}
case 15:
break;
case 7: {
yybegin(YYINITIAL);
return sym(SYM_PROG, s.toString());
}
case 16:
break;
case 4: {
s.append(yytext());
}
case 17:
break;
case 2: {
}
case 18:
break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
return null;
} else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}