/*
 BarewordNode.cpp
 
 Qore Programming Language
 
 Copyright 2003 - 2013 David Nichols
 
 This library 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 library 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 library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <qore/Qore.h>
#include <qore/intern/QoreNamespaceIntern.h>

// object takes over ownership of str
BarewordNode::BarewordNode(char *c_str) : ParseNoEvalNode(NT_BAREWORD), str(c_str) {
}

BarewordNode::~BarewordNode() {
   if (str)
      free(str);
}

// get string representation (for %n and %N), foff is for multi-line formatting offset, -1 = no line breaks
// the ExceptionSink is only needed for QoreObject where a method may be executed
// use the QoreNodeAsStringHelper class (defined in QoreStringNode.h) instead of using these functions directly
// returns -1 for exception raised, 0 = OK
int BarewordNode::getAsString(QoreString &qstr, int foff, ExceptionSink *xsink) const {
   qstr.sprintf("%s '%s' (0x%08p)", getTypeName(), str ? str : "<null>", this);
   return 0;
}

// if del is true, then the returned QoreString * should be deleted, if false, then it must not be
QoreString *BarewordNode::getAsString(bool &del, int foff, ExceptionSink *xsink) const {
   del = true;
   QoreString *rv = new QoreString();
   getAsString(*rv, foff, xsink);
   return rv;
}

// returns the data type
qore_type_t BarewordNode::getType() const {
   return NT_BAREWORD;
}

// returns the type name as a c string
const char *BarewordNode::getTypeName() const {
   return "bareword";
}

QoreStringNode *BarewordNode::makeQoreStringNode() {
   assert(str);
   int len = strlen(str);
   QoreStringNode *qstr = new QoreStringNode(str, len, len + 1, QCS_DEFAULT);
   str = 0;
   return qstr;
}

char *BarewordNode::takeString() {
   assert(str);
   char *p = str;
   str = 0;
   return p;
}

AbstractQoreNode *BarewordNode::parseInitImpl(LocalVar *oflag, int pflag, int &lvids, const QoreTypeInfo *&typeInfo) {
   //printd(5, "BarewordNode::parseInitImpl() this: %p str: %s\n", this, str);
   AbstractQoreNode *n = qore_root_ns_private::parseResolveBareword(str, typeInfo);
   if (!n)
      return this;

   deref(0);
   typeInfo = 0;
   return n->parseInit(oflag, pflag, lvids, typeInfo);
}
