org.jboss.dmr.Parser Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.dmr;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.Vector;
import java.util.Stack;
/**
* @author David M. Lloyd
*/
public abstract class Parser
{
protected final static int OPEN_BRACE = 256;
protected final static int CLOSE_BRACE = 257;
protected final static int OPEN_BRACKET = 258;
protected final static int CLOSE_BRACKET = 259;
protected final static int OPEN_PAREN = 260;
protected final static int CLOSE_PAREN = 261;
protected final static int ARROW = 262;
protected final static int COMMA = 263;
protected final static int BIG = 264;
protected final static int BYTES = 265;
protected final static int INTEGER = 266;
protected final static int DECIMAL = 267;
protected final static int EXPRESSION = 268;
protected final static int UNDEFINED = 269;
protected final static int TRUE = 270;
protected final static int FALSE = 271;
protected final static int INT_VAL = 272;
protected final static int INT_HEX_VAL = 273;
protected final static int LONG_VAL = 274;
protected final static int LONG_HEX_VAL = 275;
protected final static int DOUBLE_SPECIAL_VAL = 276;
protected final static int DEC_VAL = 277;
protected final static int STR_VAL = 278;
protected final static int TYPE_VAL = 279;
protected final static int INITIAL = 0;
// an internal class for lazy initiation
private final static class cc_lexer
{
private static char[] accept = ("\000\032\031\032\005\006\007\032\023\023\032\032\032\032\032\032\032\032\032\032\032\032\003\004\032\032\032\032\032\032\032\001\002\033\000\030\000\000\000\000\021\000\010\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\026\024\000\000\000\000\000\027\000\000\000\025\000\000\000\000\000\013\000\000\000\000\000\000\000\000\022\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\011\000\000\026\000\000\000\000\000\000\000\000\000\000\014\000\000\012\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\015\000\016\000\000\000\000\000\000\000\000\000\000\000\020\000\000\017").toCharArray ();
private static char[] ecs = ("\000\000\000\000\000\000\000\000\000\001\002\000\000\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\001\000\003\000\000\000\000\000\004\005\000\000\006\007\010\000\011\012\012\012\012\012\012\012\012\012\000\000\000\013\014\000\000\015\016\017\020\021\022\023\000\024\025\000\026\027\030\031\032\000\033\034\035\036\000\000\037\040\000\041\042\043\000\044\000\045\046\047\050\051\052\053\000\054\000\000\055\056\057\060\061\000\062\063\064\065\000\000\066\067\000\070\000\071\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\072").toCharArray ();
private static char[] base = ("\116\000\000\000\000\000\000\003\000\001\002\000\003\000\000\001\000\001\003\006\006\017\000\000\002\001\002\003\013\011\015\000\000\000\000\000\002\016\000\065\000\043\000\030\047\044\044\051\047\033\052\057\161\165\162\161\163\176\144\134\152\141\146\140\140\156\000\u0081\164\u0083\u0089\u008d\u0081\000\161\000\u008b\000\u008e\u0086\u008d\u0091\u0092\000\173\171\164\164\177\u0080\u0081\011\000\015\u009a\u0090\u0097\u009d\u0080\u00a1\u00a0\u009a\u00a1\u0081\u0087\u008d\u008e\u008d\000\u008f\000\000\u00a9\u00a3\u00af\000\u00a1\u0092\000\u00a4\000\u00ac\000\u009c\u008f\000\u009a\u0098\u00b6\u00a9\u00af\u00ac\u0095\u00ad\u00b3\u009f\u009a\u009c\u00a0\u00bc\u00c0\u00be\u009c\u00b4\u00c4\000\u00aa\000\u00ae\u00c1\u00c6\u00c1\u00cb\u00ac\u00b5\u00d1\u00ce\000\u00b1\000\u00cb\u00c7\000\000\u00e3").toCharArray ();
private static char[] next = ("\042\002\002\043\000\042\000\000\047\011\011\000\010\011\052\065\156\133\157\157\053\062\050\045\060\054\063\046\056\160\066\057\055\161\044\067\042\064\070\071\076\133\074\104\103\103\072\061\103\103\103\103\103\103\051\000\075\073\077\100\101\061\102\102\105\106\107\110\111\112\113\114\103\103\103\103\103\103\001\002\002\003\004\005\006\007\001\010\011\012\001\001\013\001\014\015\001\001\016\001\017\001\020\021\022\001\023\024\025\001\001\026\001\027\001\001\030\001\031\032\033\001\034\001\001\001\001\001\001\001\035\036\001\001\037\040\041\115\116\117\120\121\122\123\124\125\126\127\130\131\132\134\135\136\137\140\141\142\111\143\144\145\111\146\147\150\151\152\153\154\155\162\111\163\164\165\166\167\170\171\172\173\174\175\176\177\u0080\u0081\u0082\u0083\u0084\u0085\u0086\u0087\u0088\u0089\u008a\u008b\u008c\111\u008d\u008e\u008f\u0090\u0091\u0092\u0093\u0094\u0095\u0096\u0097\115\111\u0098\u0099\u009a\u009b\u009c\u009d\111\u009e\u009f\u00a0\u00a1\u00a2\111\111\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000").toCharArray ();
private static char[] check = ("\u00a3\002\002\003\044\044\u00a4\156\010\010\010\u00a4\007\007\012\021\133\102\133\133\013\017\010\007\016\013\017\007\014\135\022\015\013\135\003\023\044\020\024\025\033\102\031\053\051\051\030\016\051\051\051\051\051\051\010\011\032\030\034\035\036\045\047\047\054\055\056\057\060\061\062\063\051\051\051\051\051\051\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\064\065\066\067\070\071\072\073\074\075\076\077\100\101\103\104\105\106\107\110\112\114\116\117\120\121\122\124\125\126\127\130\131\132\136\137\140\141\142\143\144\145\146\147\150\151\152\153\155\160\161\162\164\165\167\171\173\174\176\177\u0080\u0081\u0082\u0083\u0084\u0085\u0086\u0087\u0088\u0089\u008a\u008b\u008c\u008d\u008e\u008f\u0090\u0092\u0094\u0095\u0096\u0097\u0098\u0099\u009a\u009b\u009c\u009e\u00a0\u00a1\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4\u00a4").toCharArray ();
private static char[] defaults = ("\u00a4\u00a4\001\u00a3\u00a4\u00a4\u00a4\001\001\010\001\001\001\001\001\001\001\001\001\001\001\001\u00a4\u00a4\001\001\001\001\001\001\001\u00a4\u00a4\u00a4\003\u00a4\003\001\020\001\u00a4\001\u00a4\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\047\051\001\001\001\001\001\u00a4\001\060\001\u00a4\001\001\001\001\001\u00a4\001\001\001\001\001\001\001\001\u00a4\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\u00a4\001\133\156\001\001\001\121\001\001\060\001\114\001\u00a4\001\001\u00a4\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001\u00a4\001\u00a4\001\001\001\001\001\001\001\001\001\u0082\001\u00a4\001\001\u00a4\u00a4\u00a4").toCharArray ();
private static char[] meta = ("\000\000\000\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\001").toCharArray ();
}
// an internal class for lazy initiation
private final static class cc_parser
{
private static char[] rule = ("\000\001\001\003\003\003\001\001\002\003\003\001\002\001\001\001\001\002\002\003\002\002\003\005\001\001\001\003\003\003\003\002\003\004\005").toCharArray ();
private static char[] ecs = ("\000\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\000\026\027\030").toCharArray ();
private static char[] base = ("\031\060\017\001\003\000\007\u00d4\111\112\124\125\137\140\152\153\165\012\000\005\u00d5\010\166\032\u0080\004\060\u00ca\017\000\u0081\u008b\003\u008c\067\u0096\002\000\000\u0097\u00a1\u00a2\u00ac\035\064\u00ad\u00b4\u00b5\u00bc\060\u00c4\103\u00b7\u00d8\000\u00cc\u00bf\u00e2\u00f0\u00fc\u00f5\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00f6\u00fc\u00fc\u00f7\u00f8\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00fc\u00f9\u00fc\u00fc\u00fc").toCharArray ();
private static char[] next = ("\ufffe\000\035\052\000\062\055\000\037\uffe1\uffff\043\000\uffe1\040\033\034\044\053\054\030\056\057\000\032\063\000\001\000\002\036\003\uffe5\050\045\004\005\051\uffe5\006\007\010\011\012\013\014\015\016\017\020\000\026\000\uffe0\000\uffe4\046\uffe0\000\000\060\uffe4\000\000\000\000\000\000\000\000\000\027\000\ufffa\ufff9\066\ufffa\ufff9\ufffa\ufff9\ufffa\ufff9\ufffa\ufff9\ufff3\ufff2\000\ufff3\ufff2\ufff3\ufff2\ufff3\ufff2\ufff3\ufff2\ufff1\ufff0\000\ufff1\ufff0\ufff1\ufff0\ufff1\ufff0\ufff1\ufff0\ufff5\uffe8\000\ufff5\uffe8\ufff5\uffe8\ufff5\uffe8\ufff5\uffe8\uffe7\uffec\000\uffe7\uffec\uffe7\uffec\uffe7\uffec\uffe7\uffec\uffef\ufff4\000\uffef\ufff4\uffef\ufff4\uffef\ufff4\uffef\ufff4\ufff8\uffee\000\ufff8\uffee\ufff8\uffee\ufff8\uffee\ufff8\uffee\uffeb\ufffb\000\uffeb\ufffb\uffeb\ufffb\uffeb\ufffb\uffeb\ufffb\ufffc\ufffd\000\ufffc\ufffd\ufffc\ufffd\ufffc\ufffd\ufffc\ufffd\ufff6\ufff7\000\ufff6\ufff7\ufff6\ufff7\ufff6\ufff7\ufff6\ufff7\uffe3\uffe2\000\uffdf\000\uffed\uffe3\uffe2\uffed\uffdf\uffed\uffde\uffed\uffea\uffed\000\uffea\uffde\uffea\000\uffea\uffe9\uffea\000\uffe9\000\uffe9\000\uffe9\uffe6\uffe9\000\uffe6\000\uffe6\041\uffe6\047\uffe6\042\067\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\021\022\023\024\025\000\031\061\064\065\070\000\000\000\000\000\000").toCharArray ();
private static char[] check = ("\022\071\005\035\003\044\040\023\023\031\021\025\021\031\023\004\004\025\035\035\002\040\040\005\003\044\004\000\027\000\006\000\053\034\027\000\000\034\053\000\000\000\000\000\000\000\000\000\000\000\001\001\001\061\001\054\032\061\001\001\042\054\001\001\001\001\001\001\001\001\001\001\001\010\011\063\010\011\010\011\010\011\010\011\012\013\071\012\013\012\013\012\013\012\013\014\015\071\014\015\014\015\014\015\014\015\016\017\071\016\017\016\017\016\017\016\017\020\026\071\020\026\020\026\020\026\020\026\030\036\071\030\036\030\036\030\036\030\036\037\041\071\037\041\037\041\037\041\037\041\043\047\071\043\047\043\047\043\047\043\047\050\051\071\050\051\050\051\050\051\050\051\052\055\071\052\055\052\055\052\055\052\055\056\057\071\064\071\060\056\057\060\064\060\070\060\062\060\071\062\070\062\071\062\067\062\071\067\071\067\071\067\007\067\007\007\024\007\024\007\033\007\024\065\065\033\071\071\071\071\071\071\071\071\071\071\071\071\071\071\071\072\072\072\072\072\074\074\134\137\140\160\163\163\163\163\163\163").toCharArray ();
private static char[] defaults = ("\071\000\000\001\003\003\003\005\007\007\007\007\007\007\007\007\007\005\021\005\023\023\007\005\007\024\027\003\033\033\007\007\033\007\000\007\001\000\000\007\007\007\007\023\023\007\023\023\007\024\007\027\023\027\000\007\023\071").toCharArray ();
private static char[] gotoDefault = ("\163\163\072\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\074\163\163\074\074\163\163\163\163\163\163\163\163\163\163\163\163\163\163\163\074\163\163\163").toCharArray ();
private static char[] lhs = ("\000\031\032\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\033\034\034\034\034\035\035\036\036").toCharArray ();
}
private final static class YYParserState // internal tracking tool
{
int token; // the current token type
Object value; // the current value associated with token
int state; // the current scan state
YYParserState () // EOF token construction
{
this (0, null, 0);
}
YYParserState (int token)
{
this (token, null, 0);
}
YYParserState (int token, Object value)
{
this (token, value, 0);
}
YYParserState (int token, Object value, int state)
{
this.token = token;
this.value = value;
this.state = state;
}
}
// lookahead stack for the parser
private final LinkedList _yyLookaheadStack = new LinkedList ();
// state stack for the parser
private final Vector _yyStateStack = new Vector (512, 512);
// flag that indicates error
private boolean _yyInError;
// internal track of the argument start
private int _yyArgStart;
// for passing value from lexer to parser
private Object _yyValue;
private InputStream _yyIs = System.in;
private byte[] _yyBuffer;
private int _yyBufferSize = 4096;
private int _yyMatchStart;
private int _yyBufferEnd;
private int _yyBaseState;
private int _yyTextStart;
private int _yyLength;
private Stack _yyLexerStack;
private Stack _yyInputStack;
/**
* Set the current input.
*
* @param is
* the new input.
*/
public void setInput (InputStream is)
{
_yyIs = is;
}
/**
* Obtain the current input.
*
* @return the current input
*/
public InputStream getInput ()
{
return _yyIs;
}
/**
* Switch the current input to the new input. The old input and already
* buffered characters are pushed onto the stack.
*
* @param is
* the new input
*/
public void yyPushInput (InputStream is)
{
int len = _yyBufferEnd - _yyMatchStart;
byte[] leftOver = new byte[len];
System.arraycopy (_yyBuffer, _yyMatchStart, leftOver, 0, len);
Object[] states = new Object[4];
states[0] = _yyIs;
states[1] = leftOver;
if (_yyInputStack == null)
_yyInputStack = new Stack ();
_yyInputStack.push (states);
_yyIs = is;
_yyMatchStart = 0;
_yyBufferEnd = 0;
}
/**
* Switch the current input to the old input on stack. The currently
* buffered characters are inserted infront of the old buffered characters.
*/
public void yyPopInput ()
{
Object[] states = (Object[])_yyInputStack.pop ();
_yyIs = (InputStream)states[0];
byte[] leftOver = (byte[])states[1];
int curLen = _yyBufferEnd - _yyMatchStart;
if ((leftOver.length + curLen) > _yyBuffer.length)
{
byte[] newBuffer = new byte[leftOver.length + curLen];
System.arraycopy (_yyBuffer, _yyMatchStart, newBuffer, 0, curLen);
System.arraycopy (leftOver, 0, newBuffer, curLen, leftOver.length);
_yyBuffer = newBuffer;
_yyMatchStart = 0;
_yyBufferEnd = leftOver.length + curLen;
}
else
{
int start = _yyMatchStart;
int end = _yyBufferEnd;
byte[] buffer = _yyBuffer;
for (int i = 0; start < end; ++i, ++start)
buffer[i] = buffer[start];
System.arraycopy (leftOver, 0, buffer, curLen, leftOver.length);
_yyMatchStart = 0;
_yyBufferEnd = leftOver.length + curLen;
}
}
/**
* Obtain the number of input objects on the stack.
*
* @return the number of input objects on the stack.
*/
public int yyInputStackSize ()
{
return _yyInputStack == null ? 0 : _yyInputStack.size ();
}
/**
* Get the current token text.
*
* Avoid calling this function unless it is absolutely necessary since it creates
* a copy of the token string. The string length can be found by reading _yyLength
* or calling yyLength () function.
*
* @return the current text token.
*/
public String yyText ()
{
if (_yyMatchStart == _yyTextStart) // this is the case when we have EOF
return null;
return new String (_yyBuffer, _yyTextStart, _yyMatchStart - _yyTextStart);
}
/**
* Get the current text token's length. Actions specified in the CookCC file
* can directly access the variable _yyLength.
*
* @return the string token length
*/
public int yyLength ()
{
return _yyLength;
}
/**
* Print the current string token to the standard output.
*/
public void echo ()
{
System.out.print (yyText ());
}
/**
* Put all but n characters back to the input stream. Be aware that calling
* yyLess (0) is allowed, but be sure to change the state some how to avoid
* an endless loop.
*
* @param n
* The number of characters.
*/
protected void yyLess (int n)
{
if (n < 0)
throw new IllegalArgumentException ("yyLess function requires a non-zero value.");
if (n > (_yyMatchStart - _yyTextStart))
throw new IndexOutOfBoundsException ("yyLess function called with a too large index value " + n + ".");
_yyMatchStart = _yyTextStart + n;
}
/**
* Set the lexer's current state.
*
* @param baseState
* the base state index
*/
protected void begin (int baseState)
{
_yyBaseState = baseState;
}
/**
* Push the current state onto lexer state onto stack and
* begin the new state specified by the user.
*
* @param newState
* the new state.
*/
protected void yyPushLexerState (int newState)
{
if (_yyLexerStack == null)
_yyLexerStack = new Stack ();
_yyLexerStack.push (new Integer (_yyBaseState));
begin (newState);
}
/**
* Restore the previous lexer state.
*/
protected void yyPopLexerState ()
{
begin (((Integer)_yyLexerStack.pop ()).intValue ());
}
// read more data from the input
protected boolean yyRefreshBuffer () throws IOException
{
if (_yyBuffer == null)
_yyBuffer = new byte[_yyBufferSize];
if (_yyMatchStart > 0)
{
if (_yyBufferEnd > _yyMatchStart)
{
System.arraycopy (_yyBuffer, _yyMatchStart, _yyBuffer, 0, _yyBufferEnd - _yyMatchStart);
_yyBufferEnd -= _yyMatchStart;
_yyMatchStart = 0;
}
else
{
_yyMatchStart = 0;
_yyBufferEnd = 0;
}
}
else if (_yyBufferEnd == _yyBuffer.length)
{
byte[] newBuffer = new byte[_yyBuffer.length + _yyBuffer.length / 2];
System.arraycopy (_yyBuffer, 0, newBuffer, 0, _yyBufferEnd);
_yyBuffer = newBuffer;
}
int readSize = _yyIs.read (_yyBuffer, _yyBufferEnd, _yyBuffer.length - _yyBufferEnd);
if (readSize > 0)
_yyBufferEnd += readSize;
else if (readSize < 0 && !yyWrap ()) // since we are at EOF, call yyWrap (). If the return value of yyWrap is false, refresh buffer again
return yyRefreshBuffer ();
return readSize >= 0;
}
/**
* Reset the internal buffer.
*/
public void yyResetBuffer ()
{
_yyMatchStart = 0;
_yyBufferEnd = 0;
}
/**
* Set the internal buffer size. This action can only be performed
* when the buffer is empty. Having a large buffer is useful to read
* a whole file in to increase the performance sometimes.
*
* @param bufferSize
* the new buffer size.
*/
public void setBufferSize (int bufferSize)
{
if (_yyBufferEnd > _yyMatchStart)
throw new IllegalArgumentException ("Cannot change lexer buffer size at this moment.");
_yyBufferSize = bufferSize;
_yyMatchStart = 0;
_yyBufferEnd = 0;
if (_yyBuffer != null && bufferSize != _yyBuffer.length)
_yyBuffer = new byte[bufferSize];
}
/**
* Call this function to start the scanning of the input.
*
* @return a token or status value.
* @throws IOException
* in case of I/O error.
*/
protected int yyLex () throws IOException
{
char[] cc_ecs = cc_lexer.ecs;
char[] cc_next = cc_lexer.next;
char[] cc_check = cc_lexer.check;
char[] cc_base = cc_lexer.base;
char[] cc_default = cc_lexer.defaults;
char[] cc_meta = cc_lexer.meta;
char[] cc_accept = cc_lexer.accept;
byte[] buffer = _yyBuffer;
while (true)
{
// initiate variables necessary for lookup
int cc_matchedState = _yyBaseState;
int matchedLength = 0;
int internalBufferEnd = _yyBufferEnd;
int lookahead = _yyMatchStart;
int cc_backupMatchedState = cc_matchedState;
int cc_backupMatchedLength = 0;
// the DFA lookup
while (true)
{
// check buffer status
if (lookahead < internalBufferEnd)
{
// now okay to process the character
int cc_toState;
int symbol = cc_ecs[buffer[lookahead] & 0xff];
cc_toState = cc_matchedState;
while (cc_check[symbol + cc_base[cc_toState]] != cc_toState)
{
cc_toState = cc_default[cc_toState];
if (cc_toState >= 163)
symbol = cc_meta[symbol];
}
cc_toState = cc_next[symbol + cc_base[cc_toState]];
if (cc_toState == 0)
{
cc_matchedState = cc_backupMatchedState;
matchedLength = cc_backupMatchedLength;
break;
}
cc_matchedState = cc_toState;
++lookahead;
++matchedLength;
if (cc_accept[cc_matchedState] > 0)
{
cc_backupMatchedState = cc_toState;
cc_backupMatchedLength = matchedLength;
}
}
else
{
int lookPos = lookahead - _yyMatchStart;
boolean refresh = yyRefreshBuffer ();
buffer = _yyBuffer;
internalBufferEnd = _yyBufferEnd;
lookahead = _yyMatchStart + lookPos;
if (! refresh)
{
// <>
int cc_toState;
int symbol = cc_ecs[256];
cc_toState = cc_matchedState;
while (cc_check[symbol + cc_base[cc_toState]] != cc_toState)
{
cc_toState = cc_default[cc_toState];
if (cc_toState >= 163)
symbol = cc_meta[symbol];
}
cc_toState = cc_next[symbol + cc_base[cc_toState]];
if (cc_toState != 0)
cc_matchedState = cc_toState;
else
{
cc_matchedState = cc_backupMatchedState;
matchedLength = cc_backupMatchedLength;
}
break;
}
}
}
_yyTextStart = _yyMatchStart;
_yyMatchStart += matchedLength;
_yyLength = matchedLength;
switch (cc_accept[cc_matchedState])
{
case 1: // \{
{
_yyValue = m_this.parseToken (); return OPEN_BRACE;
}
case 31: break;
case 2: // \}
{
_yyValue = m_this.parseToken (); return CLOSE_BRACE;
}
case 32: break;
case 3: // \[
{
_yyValue = m_this.parseToken (); return OPEN_BRACKET;
}
case 33: break;
case 4: // \]
{
_yyValue = m_this.parseToken (); return CLOSE_BRACKET;
}
case 34: break;
case 5: // \(
{
_yyValue = m_this.parseToken (); return OPEN_PAREN;
}
case 35: break;
case 6: // \)
{
_yyValue = m_this.parseToken (); return CLOSE_PAREN;
}
case 36: break;
case 7: // ,
{
_yyValue = m_this.parseToken (); return COMMA;
}
case 37: break;
case 8: // =>
{
_yyValue = m_this.parseToken (); return ARROW;
}
case 38: break;
case 9: // true
{
_yyValue = m_this.parseToken (); return TRUE;
}
case 39: break;
case 10: // false
{
_yyValue = m_this.parseToken (); return FALSE;
}
case 40: break;
case 11: // big
{
_yyValue = m_this.parseToken (); return BIG;
}
case 41: break;
case 12: // bytes
{
_yyValue = m_this.parseToken (); return BYTES;
}
case 42: break;
case 13: // decimal
{
_yyValue = m_this.parseToken (); return DECIMAL;
}
case 43: break;
case 14: // integer
{
_yyValue = m_this.parseToken (); return INTEGER;
}
case 44: break;
case 15: // expression
{
_yyValue = m_this.parseToken (); return EXPRESSION;
}
case 45: break;
case 16: // undefined
{
_yyValue = m_this.parseToken (); return UNDEFINED;
}
case 46: break;
case 17: // [+-]?[0-9]+L
{
_yyValue = m_this.parsePlainValue (); return LONG_VAL;
}
case 47: break;
case 18: // [+-]?0x[0-9a-fA-F]+L
{
_yyValue = m_this.parsePlainValue (); return LONG_HEX_VAL;
}
case 48: break;
case 19: // [+-]?[0-9]+
{
_yyValue = m_this.parsePlainValue (); return INT_VAL;
}
case 49: break;
case 20: // [+-]?0x[0-9a-fA-F]+
{
_yyValue = m_this.parsePlainValue (); return INT_HEX_VAL;
}
case 50: break;
case 21: // [+-]?(NaN|Infinity)
{
_yyValue = m_this.parsePlainValue (); return DOUBLE_SPECIAL_VAL;
}
case 51: break;
case 22: // [+-]?([0-9]+\.[0-9]+([eE][+-]?[0-9]+)?)
{
_yyValue = m_this.parsePlainValue (); return DEC_VAL;
}
case 52: break;
case 23: // BIG_DECIMAL|BIG_INTEGER|BOOLEAN|BYTES|DOUBLE|EXPRESSION|INT|LIST|LONG|OBJECT|PROPERTY|STRING|TYPE|UNDEFINED
{
_yyValue = m_this.parsePlainValue (); return TYPE_VAL;
}
case 53: break;
case 24: // \"([^"\\]+|\\.)*\"
{
_yyValue = m_this.parseStringValue (); return STR_VAL;
}
case 54: break;
case 25: // [ \t\r\n]+
{
m_this.ignored ();
}
case 55: break;
case 26: // .
{
m_this.invalid ();
}
case 56: break;
case 27: // <>
{
m_this.parseEOF (); return 0;
}
case 57: break;
case 28: // .|\n
{
echo (); // default character action
}
case 58: break;
case 29: // <>
{
return 0; // default EOF action
}
case 59: break;
default:
throw new IOException ("Internal error in Parser lexer.");
}
}
}
/**
* Call this function to start parsing.
*
* @return 0 if everything is okay, or 1 if an error occurred.
* @throws IOException
* in case of error
*/
public int yyParse () throws IOException
{
char[] cc_ecs = cc_parser.ecs;
char[] cc_next = cc_parser.next;
char[] cc_check = cc_parser.check;
char[] cc_base = cc_parser.base;
char[] cc_default = cc_parser.defaults;
char[] cc_gotoDefault = cc_parser.gotoDefault;
char[] cc_rule = cc_parser.rule;
char[] cc_lhs = cc_parser.lhs;
LinkedList cc_lookaheadStack = _yyLookaheadStack;
Vector cc_stateStack = _yyStateStack;
if (cc_stateStack.size () == 0)
cc_stateStack.add (new YYParserState ());
int cc_toState = 0;
for (;;)
{
YYParserState cc_lookahead;
int cc_fromState;
char cc_ch;
//
// check if there are any lookahead tokens on stack
// if not, then call yyLex ()
//
if (cc_lookaheadStack.size () == 0)
{
_yyValue = null;
int val = yyLex ();
cc_lookahead = new YYParserState (val, _yyValue);
cc_lookaheadStack.add (cc_lookahead);
}
else
cc_lookahead = (YYParserState)cc_lookaheadStack.getLast ();
cc_ch = cc_ecs[cc_lookahead.token];
cc_fromState = ((YYParserState)cc_stateStack.get (cc_stateStack.size () - 1)).state;
int cc_symbol = cc_ch;
cc_toState = cc_fromState;
while (cc_check[cc_symbol + cc_base[cc_toState]] != cc_toState)
{
cc_toState = cc_default[cc_toState];
if (cc_toState >= 57)
cc_symbol = 0;
}
cc_toState = (short)cc_next[cc_symbol + cc_base[cc_toState]];
//
// check the value of toState and determine what to do
// with it
//
if (cc_toState > 0)
{
// shift
cc_lookahead.state = cc_toState;
cc_stateStack.add (cc_lookahead);
cc_lookaheadStack.removeLast ();
continue;
}
else if (cc_toState == 0)
{
// error
if (_yyInError)
{
// first check if the error is at the lookahead
if (cc_ch == 1)
{
// so we need to reduce the stack until a state with reduceable
// action is found
if (_yyStateStack.size () > 1)
_yyStateStack.setSize (_yyStateStack.size () - 1);
else
return 1; // can't do much we exit the parser
}
else
{
// this means that we need to dump the lookahead.
if (cc_ch == 0) // can't do much with EOF;
return 1;
cc_lookaheadStack.removeLast ();
}
continue;
}
else
{
if (yyParseError (cc_lookahead.token))
return 1;
_yyLookaheadStack.add (new YYParserState (1, _yyValue));
_yyInError = true;
continue;
}
}
_yyInError = false;
// now the reduce action
int cc_ruleState = -cc_toState;
_yyArgStart = cc_stateStack.size () - cc_rule[cc_ruleState] - 1;
//
// find the state that said need this non-terminal
//
cc_fromState = ((YYParserState)cc_stateStack.get (_yyArgStart)).state;
//
// find the state to goto after shifting the non-terminal
// onto the stack.
//
if (cc_ruleState == 1)
cc_toState = 0; // reset the parser
else
{
cc_toState = cc_fromState + 58;
int cc_tmpCh = cc_lhs[cc_ruleState] - 25;
while (cc_check[cc_tmpCh + cc_base[cc_toState]] != cc_toState)
cc_toState = cc_gotoDefault[cc_toState - 58];
cc_toState = cc_next[cc_tmpCh + cc_base[cc_toState]];
}
_yyValue = null;
switch (cc_ruleState)
{
case 1: // accept
return 0;
case 2: // complete : node
{
return m_this.parse ((org.jboss.dmr.ModelNode)yyGetValue (1));
}
case 37: break;
case 3: // node : BIG DECIMAL DEC_VAL
{
_yyValue = m_this.parseBigDecimal ((java.lang.String)yyGetValue (3));
}
case 38: break;
case 4: // node : BIG DECIMAL INT_VAL
{
_yyValue = m_this.parseBigDecimal ((java.lang.String)yyGetValue (3));
}
case 39: break;
case 5: // node : BIG INTEGER INT_VAL
{
_yyValue = m_this.parseBigInteger ((java.lang.String)yyGetValue (3));
}
case 40: break;
case 6: // node : TRUE
{
_yyValue = m_this.parseTrue ();
}
case 41: break;
case 7: // node : FALSE
{
_yyValue = m_this.parseFalse ();
}
case 42: break;
case 8: // node : bytes CLOSE_BRACE
{
_yyValue = m_this.finishBytes ((java.io.ByteArrayOutputStream)yyGetValue (1));
}
case 43: break;
case 9: // node : bytes COMMA CLOSE_BRACE
{
_yyValue = m_this.finishBytes ((java.io.ByteArrayOutputStream)yyGetValue (1));
}
case 44: break;
case 10: // node : BYTES OPEN_BRACE CLOSE_BRACE
{
_yyValue = m_this.emptyBytes ();
}
case 45: break;
case 11: // node : DEC_VAL
{
_yyValue = m_this.parseDouble ((java.lang.String)yyGetValue (1));
}
case 46: break;
case 12: // node : EXPRESSION STR_VAL
{
_yyValue = m_this.parseExpression ((java.lang.String)yyGetValue (2));
}
case 47: break;
case 13: // node : INT_VAL
{
_yyValue = m_this.parseInt ((java.lang.String)yyGetValue (1));
}
case 48: break;
case 14: // node : INT_HEX_VAL
{
_yyValue = m_this.parseIntHex ((java.lang.String)yyGetValue (1));
}
case 49: break;
case 15: // node : LONG_VAL
{
_yyValue = m_this.parseLong ((java.lang.String)yyGetValue (1));
}
case 50: break;
case 16: // node : LONG_HEX_VAL
{
_yyValue = m_this.parseLongHex ((java.lang.String)yyGetValue (1));
}
case 51: break;
case 17: // node : OPEN_BRACKET CLOSE_BRACKET
{
_yyValue = m_this.parseEmptyList ();
}
case 52: break;
case 18: // node : list CLOSE_BRACKET
{
_yyValue = m_this.finishList ((org.jboss.dmr.ModelNode)yyGetValue (1));
}
case 53: break;
case 19: // node : list COMMA CLOSE_BRACKET
{
_yyValue = m_this.finishList ((org.jboss.dmr.ModelNode)yyGetValue (1));
}
case 54: break;
case 20: // node : OPEN_BRACE CLOSE_BRACE
{
_yyValue = m_this.parseEmptyObject ();
}
case 55: break;
case 21: // node : object CLOSE_BRACE
{
_yyValue = m_this.finishObject ((org.jboss.dmr.ModelNode)yyGetValue (1));
}
case 56: break;
case 22: // node : object COMMA CLOSE_BRACE
{
_yyValue = m_this.finishObject ((org.jboss.dmr.ModelNode)yyGetValue (1));
}
case 57: break;
case 23: // node : OPEN_PAREN STR_VAL ARROW node CLOSE_PAREN
{
_yyValue = m_this.parseProperty ((java.lang.String)yyGetValue (2), (org.jboss.dmr.ModelNode)yyGetValue (4));
}
case 58: break;
case 24: // node : STR_VAL
{
_yyValue = m_this.parseString ((java.lang.String)yyGetValue (1));
}
case 59: break;
case 25: // node : TYPE_VAL
{
_yyValue = m_this.parseType ((java.lang.String)yyGetValue (1));
}
case 60: break;
case 26: // node : UNDEFINED
{
_yyValue = m_this.parseUndefined ();
}
case 61: break;
case 27: // bytes : BYTES OPEN_BRACE INT_VAL
{
_yyValue = m_this.startBytesInt ((java.lang.String)yyGetValue (3));
}
case 62: break;
case 28: // bytes : BYTES OPEN_BRACE INT_HEX_VAL
{
_yyValue = m_this.startBytesHex ((java.lang.String)yyGetValue (3));
}
case 63: break;
case 29: // bytes : bytes COMMA INT_VAL
{
_yyValue = m_this.nextByteInt ((java.io.ByteArrayOutputStream)yyGetValue (1), (java.lang.String)yyGetValue (3));
}
case 64: break;
case 30: // bytes : bytes COMMA INT_HEX_VAL
{
_yyValue = m_this.nextByteHex ((java.io.ByteArrayOutputStream)yyGetValue (1), (java.lang.String)yyGetValue (3));
}
case 65: break;
case 31: // list : OPEN_BRACKET node
{
_yyValue = m_this.parseStartList ((org.jboss.dmr.ModelNode)yyGetValue (2));
}
case 66: break;
case 32: // list : list COMMA node
{
_yyValue = m_this.parseListItem ((org.jboss.dmr.ModelNode)yyGetValue (1), (org.jboss.dmr.ModelNode)yyGetValue (3));
}
case 67: break;
case 33: // object : OPEN_BRACE STR_VAL ARROW node
{
_yyValue = m_this.parseStartObject ((java.lang.String)yyGetValue (2), (org.jboss.dmr.ModelNode)yyGetValue (4));
}
case 68: break;
case 34: // object : object COMMA STR_VAL ARROW node
{
_yyValue = m_this.parseObjectItem ((org.jboss.dmr.ModelNode)yyGetValue (1), (java.lang.String)yyGetValue (3), (org.jboss.dmr.ModelNode)yyGetValue (5));
}
case 69: break;
default:
throw new IOException ("Internal error in Parser parser.");
}
YYParserState cc_reduced = new YYParserState (-cc_ruleState, _yyValue, cc_toState);
_yyValue = null;
cc_stateStack.setSize (_yyArgStart + 1);
cc_stateStack.add (cc_reduced);
}
}
/**
* This function is used by the error handling grammars to check the immediate
* lookahead token on the stack.
*
* @return the top of lookahead stack.
*/
protected YYParserState yyPeekLookahead ()
{
return (YYParserState)_yyLookaheadStack.getLast ();
}
/**
* This function is used by the error handling grammars to pop an unwantted
* token from the lookahead stack.
*/
protected void yyPopLookahead ()
{
_yyLookaheadStack.removeLast ();
}
/**
* Clear the error flag. If this flag is present and the parser again sees
* another error transition, it would immediately calls yyParseError, which
* would by default exit the parser.
*
* This function is used in error recovery.
*/
protected void yyClearError ()
{
_yyInError = false;
}
/**
* This function reports error and return true if critical error occurred, or
* false if the error has been successfully recovered. IOException is an optional
* choice of reporting error.
*
* @param terminal
* the terminal that caused the error.
* @return true if irrecoverable error occurred. Or simply throw an IOException.
* false if the parsing can be continued to check for specific
* error tokens.
* @throws IOException
* in case of error.
*/
protected boolean yyParseError (int terminal) throws IOException
{
return false;
}
/**
* Gets the object value associated with the symbol at the argument's position.
*
* @param arg
* the symbol position starting from 1.
* @return the object value associated with symbol.
*/
protected Object yyGetValue (int arg)
{
return ((YYParserState)_yyStateStack.get (_yyArgStart + arg)).value;
}
/**
* Set the object value for the current non-terminal being reduced.
*
* @param value
* the object value for the current non-terminal.
*/
protected void yySetValue (Object value)
{
_yyValue = value;
}
private final org.jboss.dmr.ModelNodeParser m_this = (org.jboss.dmr.ModelNodeParser)this;
/**
* This function is used to change the initial state for the lexer.
*
* @param state
* the name of the state
*/
protected void begin (String state)
{
if ("INITIAL".equals (state))
{
begin (INITIAL);
return;
}
throw new IllegalArgumentException ("Unknown lexer state: " + state);
}
/**
* Push the current state onto lexer state onto stack and
* begin the new state specified by the user.
*
* @param state
* the new state.
*/
protected void yyPushLexerState (String state)
{
if ("INITIAL".equals (state))
{
yyPushLexerState (INITIAL);
return;
}
throw new IllegalArgumentException ("Unknown lexer state: " + state);
}
/**
* Check if there are more inputs. This function is called when EOF is
* encountered.
*
* @return true to indicate no more inputs.
* @throws IOException
* in case of an IO error
*/
protected boolean yyWrap () throws IOException
{
return true;
}
/*
* lexer properties:
* unicode = false
* bol = false
* backup = true
* cases = 29
* table = compressed
* ecs = 59
* states = 163
* max symbol value = 256
*
* memory usage:
* full table = 41891
* ecs table = 9874
* next = 268
* check = 268
* default = 165
* meta = 59
* compressed table = 1017
*
* parser properties:
* symbols = 31
* max terminal = 279
* used terminals = 25
* non-terminals = 6
* rules = 34
* shift/reduce conflicts = 0
* reduct/reduce conflicts = 0
*
* memory usage:
* ecs table = 2047
* compressed table = 1028
*/
}