Source code of MARS Assembler

First commit of the 4.5 version (latest version available)
2014-12-21 12:49:28 +01:00
parent 343642d6ad
commit 0da1c5dcca
1333 changed files with 207089 additions and 3 deletions
@@ -0,0 +1,91 @@
+   package mars.assembler;
+   import mars.*;
+   import java.util.*;
+
+/*
+Copyright (c) 2003-2013,  Pete Sanderson and Kenneth Vollmar
+
+Developed by Pete Sanderson (psanderson@otterbein.edu)
+and Kenneth Vollmar (kenvollmar@missouristate.edu)
+
+Permission is hereby granted, free of charge, to any person obtaining 
+a copy of this software and associated documentation files (the 
+"Software"), to deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, merge, publish, 
+distribute, sublicense, and/or sell copies of the Software, and to 
+permit persons to whom the Software is furnished to do so, subject 
+to the following conditions:
+
+The above copyright notice and this permission notice shall be 
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+(MIT license, http://www.opensource.org/licenses/mit-license.html)
+ */
+ 
+ /**
+  *  Handy class to represent, for a given line of source code, the code
+  *  itself, the program containing it, and its line number within that program.
+  *  This is used to separately keep track of the original file/position of 
+  *  a given line of code.  When .include is used, it will migrate to a different
+  *  line and possibly different program but the migration should not be visible
+  *  to the user.
+  */
+    public class SourceLine {
+      private String source;
+      private String filename;
+      private MIPSprogram mipsProgram;
+      private int lineNumber;
+   
+   /**
+   *  SourceLine constructor
+   *  @param source The source code itself
+   *  @param mipsProgram The program (object representing source file) containing that line    
+   *  @param lineNumber The line number within that program where source appears.
+   */
+       public SourceLine(String source, MIPSprogram mipsProgram, int lineNumber) {
+         this.source = source;
+         this.mipsProgram = mipsProgram;
+         if (mipsProgram != null) 
+            this.filename = mipsProgram.getFilename();
+         this.lineNumber = lineNumber;
+      }
+   /**
+   *  Retrieve source statement itself
+   *  @return Source statement as String
+   */ 	
+       public String getSource() {
+         return source;
+      }
+   	
+   /** Retrieve name of file containing source statement
+    *  @return File name as String
+    */
+   	 
+       public String getFilename() {
+         return filename;
+      }
+   	
+   /** Retrieve line number of source statement
+    *  @return Line number of source statement
+    */
+   	 
+       public int getLineNumber() {
+         return lineNumber;
+      }
+   	
+   /** Retrieve MIPSprogram object containing source statement
+    *  @return program as MIPSprogram object
+    */
+   	 
+       public MIPSprogram getMIPSprogram() {
+         return mipsProgram;
+      }
+   }