Moved files to 'reactics-bdd'

reactics-bdd/stateconstr.cc

@@ -0,0 +1,118 @@
+/*
+    Copyright (c) 2018
+    Artur Meski <meski@ipipan.waw.pl>
+
+    Reuse of the code or its part for any purpose
+    without the author's permission is strictly prohibited.
+*/
+
+#include "stateconstr.hh"
+#include "types.hh"
+#include "cudd.hh"
+#include "bdd_macro.hh"
+#include "symrs.hh"
+
+std::string StateConstr::toStr(void) const
+{
+  if (oper == STC_PV) {
+    return proc_name + "." + entity_name;
+  }
+  else if (oper == STC_TF) {
+    if (tf) {
+      return "true";
+    }
+    else {
+      return "false";
+    }
+  }
+  else if (oper == STC_AND) {
+    return "(" + arg[0]->toStr() + " AND " + arg[1]->toStr() + ")";
+  }
+  else if (oper == STC_OR) {
+    return "(" + arg[0]->toStr() + " OR " + arg[1]->toStr() + ")";
+  }
+  else if (oper == STC_XOR) {
+    return "(" + arg[0]->toStr() + " XOR " + arg[1]->toStr() + ")";
+  }
+  else if (oper == STC_NOT) {
+    return "~" + arg[0]->toStr();
+  }
+
+  else {
+    return "??";
+    assert(0);
+  }
+}
+
+BDD StateConstr::getBDDforState(const SymRS *srs) const
+{
+  return getBDD(srs, false);
+}
+
+BDD StateConstr::getBDDforContext(const SymRS *srs) const
+{
+  return getBDD(srs, true);
+}
+
+BDD StateConstr::getBDD(const SymRS *srs, bool encode_context) const
+{
+  if (oper == STC_PV) {
+    if (encode_context) {
+      return srs->encActStrEntity(proc_name, entity_name);
+    }
+    else {
+      return srs->encEntity(proc_name, entity_name);
+    }
+  }
+  else if (oper == STC_TF) {
+    if (tf) {
+      return srs->getBDDtrue();
+    }
+    else {
+      return srs->getBDDfalse();
+    }
+  }
+  else if (oper == STC_AND) {
+    return arg[0]->getBDD(srs, encode_context) * arg[1]->getBDD(srs, encode_context);
+  }
+  else if (oper == STC_OR) {
+    return arg[0]->getBDD(srs, encode_context) + arg[1]->getBDD(srs, encode_context);
+  }
+  else if (oper == STC_XOR) {
+    return arg[0]->getBDD(srs, encode_context) ^ arg[1]->getBDD(srs, encode_context);
+  }
+  else if (oper == STC_NOT) {
+    return !arg[0]->getBDD(srs, encode_context);
+  }
+  else {
+    assert(0);
+    FERROR("Undefined operator used in Boolean state/context definition. This should not happen.");
+    return srs->getBDDfalse();
+  }
+}
+
+bool StateConstr::isFalse(void) const
+{
+  if (oper == STC_TF && tf == false) {
+    return true;
+  }
+
+  if (oper == STC_NOT && arg[0]->isTrue()) {
+    return true;
+  }
+
+  return false;
+}
+
+bool StateConstr::isTrue(void) const
+{
+  if (oper == STC_TF && tf == true) {
+    return true;
+  }
+
+  if (oper == STC_NOT && arg[0]->isFalse()) {
+    return true;
+  }
+
+  return false;
+}