Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.Reader;
   4 import java.io.BufferedReader;
   5 import java.io.FileReader;
   6 import IR.Tree.ParseNode;
   7 import IR.Tree.BuildIR;
   8 import IR.Tree.SemanticCheck;
   9 import IR.Flat.BuildFlat;
  10 import IR.Flat.BuildCode;
  11 import IR.State;
  12 import IR.TypeUtil;
  13
  14 public class Main {
  15
  16     /** Main method for the compiler.  */
  17
  18   public static void main(String args[]) throws Exception {
  19       String ClassLibraryPrefix="./ClassLibrary/";
  20       State state=new State();
  21
  22       for(int i=0;i<args.length;i++) {
  23           String option=args[i];
  24           if (option.equals("-precise"))
  25               IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  26           else if (option.equals("-dir"))
  27               IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  28           else if (option.equals("-classlibrary"))
  29               ClassLibraryPrefix=args[++i]+"/";
  30           else if (option.equals("-mainclass"))
  31               state.main=args[++i];
  32           else if (option.equals("-struct"))
  33               state.structfile=args[++i];
  34           else if (option.equals("-conscheck"))
  35               state.CONSCHECK=true;
  36           else if (option.equals("-task"))
  37               state.TASK=true;
  38           else if (option.equals("-instructionfailures"))
  39               state.INSTRUCTIONFAILURE=true;
  40           else if (option.equals("-help")) {
  41               System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
  42               System.out.println("-dir outputdirectory -- output code in outputdirectory");
  43               System.out.println("-struct structfile -- output structure declarations for repair tool");
  44               System.out.println("-mainclass -- main function to call");
  45               System.out.println("-precise -- use precise garbage collection");
  46
  47               System.out.println("-conscheck -- turn on consistency checking");
  48               System.out.println("-task -- compiler for tasks");
  49               System.out.println("-instructionfailures -- insert code for instruction level failures");
  50               System.out.println("-help -- print out help");
  51               System.exit(0);
  52           } else {
  53               readSourceFile(state, args[i]);
  54           }
  55       }
  56
  57       readSourceFile(state, ClassLibraryPrefix+"Object.java");
  58       readSourceFile(state, ClassLibraryPrefix+"System.java");
  59       readSourceFile(state, ClassLibraryPrefix+"String.java");
  60       readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
  61       readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
  62       readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
  63       readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
  64       readSourceFile(state, ClassLibraryPrefix+"Integer.java");
  65       readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
  66       readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
  67       readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
  68       readSourceFile(state, ClassLibraryPrefix+"File.java");
  69       if (state.TASK) {
  70           readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
  71           readSourceFile(state, ClassLibraryPrefix+"Socket.java");
  72           readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
  73       }
  74
  75       BuildIR bir=new BuildIR(state);
  76       bir.buildtree();
  77
  78       TypeUtil tu=new TypeUtil(state);
  79
  80       SemanticCheck sc=new SemanticCheck(state,tu);
  81       sc.semanticCheck();
  82       tu.createFullTable();
  83
  84       BuildFlat bf=new BuildFlat(state);
  85       bf.buildFlat();
  86
  87       BuildCode bc=new BuildCode(state, bf.getMap(), tu);
  88       bc.buildCode();
  89       System.exit(0);
  90   }
  91
  92     /** Reads in a source file and adds the parse tree to the state object. */
  93
  94     private static void readSourceFile(State state, String sourcefile) throws Exception {
  95         Reader fr = new BufferedReader(new FileReader(sourcefile));
  96         Lex.Lexer l = new Lex.Lexer(fr);
  97         java_cup.runtime.lr_parser g;
  98         g = new Parse.Parser(l);
  99         ParseNode p=(ParseNode) g./*debug_*/parse().value;
 100         state.addParseNode(p);
 101         if (l.numErrors()!=0) {
 102             System.out.println("Error parsing "+sourcefile);
 103             System.exit(l.numErrors());
 104         }
 105     }
 106 }