Add a parser for linear equations

(Also add the antlr jar and C runtime)

1 files changed, 7 insertions, 2 deletions

diff --git a/impl/Variable.hpp b/impl/Variable.hpp
index 2386e7a..c46db02 100644
--- a/impl/Variable.hpp
+++ b/impl/Variable.hpp
@@ -1,23 +1,28 @@
 #ifndef VARIABLE_HPP
 #define VARIABLE_HPP
 
+#include <string>
 #include "Operator.hpp"
 
 template<typename T>
 struct Variable : public Operator<T> {
-  Variable(unsigned int id)
-    : _id(id) { }
+  Variable(unsigned int id, const std::string& name)
+    : _id(id), _name(name) { }
   Variable(const Variable& other)
     : _id(other._id) { }
   unsigned int id() const {
     return _id;
   }
+  std::string name() const {
+    return _name;
+  }
   T operator() (const std::vector< Expression<T>* >& args, const VariableAssignment<T>& ass) const {
     //assert(args.size() == 0)
     return ass[*this];
   }
   private:
   const unsigned int _id;
+  const std::string _name;
 };
 
 #endif