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/*
***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (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.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2006 Charles O Nutter
* Copyright (C) 2006 Thomas E Enebo
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the CPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the CPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.ast;
public enum NodeType {
ALIASNODE, ANDNODE, ARGSCATNODE, ARGSNODE, ARGUMENTNODE, ARRAYNODE, ASSIGNABLENODE,
BACKREFNODE, BEGINNODE, BIGNUMNODE, BINARYOPERATORNODE, BLOCKARGNODE, BLOCKNODE,
BLOCKPASSNODE, BREAKNODE, CALLNODE, CASENODE, CLASSNODE, CLASSVARASGNNODE, CLASSVARDECLNODE,
CLASSVARNODE, COLON2NODE, COLON3NODE, CONSTDECLNODE, CONSTNODE, DASGNNODE, DEFINEDNODE,
DEFNNODE, DEFSNODE, DOTNODE, DREGEXPNODE, DSTRNODE, DSYMBOLNODE, DVARNODE, DXSTRNODE,
ENSURENODE, EVSTRNODE, FALSENODE, FCALLNODE, FIXNUMNODE, FLIPNODE, FLOATNODE, FORNODE,
GLOBALASGNNODE, GLOBALVARNODE, HASHNODE, IFNODE, INSTASGNNODE, INSTVARNODE, ISCOPINGNODE,
ITERNODE, LISTNODE, LOCALASGNNODE, LOCALVARNODE, MATCH2NODE, MATCH3NODE, MATCHNODE,MODULENODE,
MULTIPLEASGNNODE, NEWLINENODE, NEXTNODE, NILNODE, NOTNODE, NTHREFNODE, OPASGNANDNODE,
OPASGNNODE, OPASGNORNODE, OPELEMENTASGNNODE, ORNODE, PREEXENODE, POSTEXENODE, REDONODE,
REGEXPNODE, RESCUEBODYNODE, RESCUENODE, RETRYNODE, RETURNNODE, SCLASSNODE, SCOPENODE,
SELFNODE, SPLATNODE, STARNODE, STRNODE, SUPERNODE, SVALUENODE, SYMBOLNODE, TOARYNODE,
TRUENODE, UNDEFNODE, UNTILNODE, VALIASNODE, VCALLNODE, WHENNODE, WHILENODE, XSTRNODE, YIELDNODE,
ZARRAYNODE, ZEROARGNODE, ZSUPERNODE, COMMENTNODE, ROOTNODE, ATTRASSIGNNODE, ARGSPUSHNODE,
OPTARGNODE, ARGAUXILIARYNODE, LAMBDANODE, MULTIPLEASGN19NODE, RESTARG, ENCODINGNODE,
LITERALNODE, BLOCKARG18NODE;
/**
* Whether this node type would always evaluate as being true.
*
* @return whether this node type would always evaluate as being true
*/
public boolean alwaysTrue() {
switch (this) {
case TRUENODE:
case FIXNUMNODE:
case FLOATNODE:
case REGEXPNODE:
case STRNODE:
case DOTNODE:
case SYMBOLNODE:
case BIGNUMNODE:
case ARRAYNODE:
case HASHNODE:
return true;
default:
return false;
}
}
/**
* Whether this node type would always evaluate as being false.
*
* @return whether this node type would always evaluate as being false
*/
public boolean alwaysFalse() {
switch (this) {
case NILNODE:
case FALSENODE:
return true;
default:
return false;
}
}
public boolean isImmediate() {
switch (this) {
case FIXNUMNODE:
case STRNODE:
case FLOATNODE:
case BIGNUMNODE:
case SELFNODE:
case TRUENODE:
case FALSENODE:
case NILNODE:
return true;
default:
return false;
}
}
}
