From 45581d3d376e8deed84952cb838ae330549e5241 Mon Sep 17 00:00:00 2001
From: manuel <manuel@nc8430.lan>
Date: Tue, 12 May 2009 23:18:17 +0200
Subject: my cpu design

---
 ue3/mycpu/cmem.h | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 ue3/mycpu/cmem.h

(limited to 'ue3/mycpu/cmem.h')

diff --git a/ue3/mycpu/cmem.h b/ue3/mycpu/cmem.h
new file mode 100644
index 0000000..5045c34
--- /dev/null
+++ b/ue3/mycpu/cmem.h
@@ -0,0 +1,109 @@
+/**
+ * @module cmem
+ * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
+ * @brief  Memory template and memory definition for CCPU
+ * @date   10.05.2009
+ */
+
+#ifndef CMEM_H
+#define CMEM_H 1
+
+#include <vector>
+#include <istream>
+#include <sstream>
+#include <stdexcept>
+#include <boost/lexical_cast.hpp>
+#ifdef DEBUG
+# include <iostream>
+# include <iomanip>
+#endif
+#include "cdat.h"
+
+/**
+ * @class CVectorMem
+ *
+ * Extends std::vector template for use as memory for CCPU.
+ */
+template <class T, class Allocator=std::allocator<T> >
+class CVectorMem
+  : public std::vector<T, Allocator>
+{
+  public:
+    using std::vector<T, Allocator>::size;
+    using std::vector<T, Allocator>::at;
+
+    /**
+     * @method initialize
+     * @brief  initialize the vector with the content of istream. istream is
+     *         read per line. empty lines will add unitialized elements.
+     * @param  in  inputstream to read from
+     * @return void
+     * @globalvars none
+     * @exception  std::runtime_error
+     * @conditions none
+     */
+    void initialize(std::istream& in)
+    {
+      if (!in.good())
+        return;
+
+      std::string line;
+      unsigned i = 0;
+      while (!in.eof() && in.good())
+      {
+        ++i;
+        std::getline(in, line);
+
+        /* skip last line if it's empty */
+        if (line.empty() && in.eof())
+          break;
+
+        T value;
+        try
+        {
+          if (!line.empty())
+            value = boost::lexical_cast<T>(line);
+        }
+        catch(boost::bad_lexical_cast& ex)
+        {
+          std::stringstream sstr;
+          sstr << "Unable to convert input (line " << i << "): " << ex.what();
+          throw std::runtime_error(sstr.str());
+        }
+
+        push_back(value);
+      }
+    }
+
+#if DEBUG
+    /**
+     * @method dump
+     * @brief  dumps contents of vector to outputstream
+     * @param  out  outputstream to write to
+     * @return void
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    void dump(std::ostream& out)
+    {
+      out << "[MEMORY DUMP]" << std::endl;
+      for(unsigned i = 0; i < size(); ++i)
+      {
+        out << "[" << std::setw(4) << std::setfill('0') << i << "]  "
+            << at(i) << std::endl;
+      }
+    }
+#endif
+};
+
+/**
+ * @class CMem
+ *
+ * Memory definition for CCPU
+ */
+typedef CVectorMem<CDat> CMem;
+
+#endif
+
+/* vim: set et sw=2 ts=2: */
-- 
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