1 files changed, 109 insertions, 0 deletions

diff --git a/ue3/mycpu/cprogram.cpp b/ue3/mycpu/cprogram.cpp
new file mode 100644
index 0000000..9297b6e
--- /dev/null
+++ b/ue3/mycpu/cprogram.cpp
@@ -0,0 +1,109 @@
+/**
+ * @module cprogram
+ * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
+ * @brief  class for parsing and saving a program
+ * @date   11.05.2009
+ */
+
+#include <fstream>
+#include <vector>
+#include <string>
+#include <boost/tokenizer.hpp>
+#include <boost/algorithm/string.hpp>
+#include <boost/algorithm/string/split.hpp>
+#include "cprogram.h"
+
+
+
+using namespace std;
+using namespace boost;
+
+CProgram::CProgram(const std::string& progfile) :
+        m_programfile(progfile)
+{
+        parse();
+        dump(std::cout);   
+ 
+}
+
+/*----------------------------------------------------------------------------*/
+
+CProgram::~CProgram()
+{
+
+}
+
+
+
+/*----------------------------------------------------------------------------*/
+
+void CProgram::parse()
+{
+         /* open and read file */
+  ifstream file(m_programfile.c_str(), ios::in);
+ // if (!file)
+   // throw ParserError("Unable to open scriptfile '" + m_scriptfile + "'.");
+        
+        int cur_line_nr = 0;
+        
+  while (!file.eof() && file.good())
+  {
+        string cur_line;
+        
+    /* read file per line */
+    getline(file, cur_line);
+    if (cur_line.empty())
+      continue;
+
+    trim(cur_line);
+
+    /* ignore comments */
+    if (cur_line.find_first_of('#') == 0)
+      continue;
+
+                /*remove commas from current line */
+                unsigned int pos;
+                while (( pos = cur_line.find_first_of(",") ) != string::npos)
+                         cur_line.erase(pos, 1);
+                
+                /* add source line*/
+                m_progsource.push_back(vector<string>());
+        algorithm::split( m_progsource.back(), cur_line, is_any_of(" \t"));
+        
+        /* jump addr as line number */
+        if(m_progsource[cur_line_nr][0] == "label")
+        {
+                int size = m_progsource[cur_line_nr][01].size() - 1;
+                string label(m_progsource[cur_line_nr][01].substr(0, size));
+                m_jumpaddr[label] = cur_line_nr;
+        }
+        
+                cur_line_nr++;
+  }
+  file.close();
+
+}
+
+/*----------------------------------------------------------------------------*/
+
+#ifdef DEBUG
+void CProgram::dump(std::ostream& out)
+{
+        
+        out << endl << "Program file:" << endl << m_programfile << endl;
+        
+        out << endl     << "Program source:" << endl;
+        for (int i = 0; i < (int) m_progsource.size();i++)
+  {
+                for(int x = 0; x < (int) m_progsource[i].size();x++)
+                out << m_progsource[i][x] << " ";
+        out << std::endl;
+  }
+  
+  out << endl   << "Jump addresses:" << endl;
+  map<string, unsigned int>::iterator it;
+        for (it = m_jumpaddr.begin(); it != m_jumpaddr.end(); it++)
+                out << (*it).first << "  " <<  (*it).second << endl;
+  
+}
+#endif