Initial check in.

2017-04-22 15:35:18 -04:00
commit 9c88f730d5
43 changed files with 7039 additions and 0 deletions
--- a/src/main.cc
+++ b/src/main.cc
@@ -0,0 +1,89 @@
+// $Id: main.cc,v 1.5 2000/01/30 00:59:32 david Exp $
+
+// main.cc
+// by David Baer
+//
+// Main module -- read formula and attempt a proof, then save if desired
+
+#include <cstdio>
+#include <iostream>
+#include <fstream>
+#include <cstdlib>
+//#include <bsd/string.h>
+#include <cstring>
+#include "formula.h"
+#include "Proof.h"
+#include "parser.h"
+#include "Options.h"
+#include "Axiom.h"
+#include "ParamSource.h"
+
+using namespace std;
+
+int main(int argc, char *argv[])
+{
+   PropFormula *form;
+   char filename[200];
+   Options opt(argc, argv);
+
+   if (opt.help())
+   {
+      opt.syntax();
+      exit(0);
+   }
+
+   form = opt.getFormula();
+
+   if (!form)
+   {
+      cout << "Formula to be proved: " << flush;
+
+      initParser(cin);
+      form = parseFormula();
+      endParser();
+   }
+
+   if (!form)
+   {
+      cout << "not a valid formula" << endl;
+      exit(0);
+   }
+
+   psource.setMax(opt.maxParam());
+
+   //form->println(cout);
+   RuleSource *guide;
+   guide = (opt.manual() ? new UserRuleSource(cin, cout) : new AutoRuleSource(cin, cout, opt.quiet(), opt.pause(), opt.induction()));
+   Proof *pf = (opt.manual() ? new Proof(form, guide) : new Proof(axioms.getVector(), form, guide));
+   //Proof *pf = new Proof(form);
+   if (pf->prove() == PROOF_TRUE)
+   {
+      if (!opt.quiet()) cout << "Theorem is a tautology" << endl;
+      //cin >> filename;
+      //cin.getline(filename, 198); // don't ask me why I have to do this...
+      if (!opt.dump())
+      {
+         if (opt.outputFile())
+         {
+            if (!opt.quiet()) cout << "Saving proof to " << opt.outputFile() << endl;
+            strlcpy(filename, opt.outputFile(), 200);
+         }
+         else
+         {
+            cout << "Save proof to <none>: " << flush;
+            cin.getline(filename, 198);
+         }
+         if (strlen(filename))
+         {
+            ofstream o(filename);
+            pf->print(o);
+         }
+      }
+      else pf->print(cout);
+   }
+   else cout << "Did not find a proof " << endl;
+
+   //pf->cleanup();
+   delete pf;
+   return 0;
+}