00001 00002 /* 00003 | Author: Michael Schmidt; 00004 | Gunnar Jehl 00005 | 00006 | ************************* SOFTWARE LICENSE AGREEMENT *********************** 00007 | This source code is published under the BSD License. 00008 | 00009 | See file 'LICENSE.txt' that comes with this distribution or 00010 | http://dbis.informatik.uni-freiburg.de/index.php?project=GCX/license.php 00011 | for the full license agreement. 00012 | 00013 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00014 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00015 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00016 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00017 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00018 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00019 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00020 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00021 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00022 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00023 | POSSIBILITY OF SUCH DAMAGE. 00024 | **************************************************************************** 00025 */ 00026 00035 #include "environment.h" 00036 #include "outputstream.h" 00037 00038 Environment::Environment() { 00039 } 00040 00041 Environment::Environment(BufferNode * _root) { 00042 env[TAGID_ROOT] = _root; 00043 } 00044 00045 Environment::~Environment() { 00046 } 00047 00048 void Environment::insertNodeBinding(unsigned var, BufferNode * node) { 00049 env[var] = node; 00050 } 00051 00052 void Environment::print(OutputStream & dos) { 00053 Env::iterator it; 00054 00055 for (it = env.begin(); it != env.end(); it++) { 00056 dos << "$" << VarName::getInstance()->getVarname(it->first) << " -> "; 00057 it->second->print(dos); 00058 dos << NEWLINE; 00059 } 00060 } 00061 00062 BufferNode *Environment::getNodeBinding(unsigned var) { 00063 Env::iterator it; 00064 00065 it = env.find(var); 00066 return it->second; 00067 } 00068 00069 Environment *Environment::clone() { 00070 Env::iterator it; 00071 Environment *newenv = new Environment(); 00072 00073 for (it = env.begin(); it != env.end(); it++) { 00074 newenv->insertNodeBinding(it->first, it->second); 00075 } 00076 00077 return newenv; 00078 }