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;
15 public static void main(String args[]) throws Exception {
16 String ClassLibraryPrefix="./ClassLibrary/";
17 State state=new State();
19 for(int i=0;i<args.length;i++) {
20 String option=args[i];
21 if (option.equals("-precise"))
22 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
23 else if (option.equals("-dir"))
24 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
25 else if (option.equals("-classlibrary"))
26 ClassLibraryPrefix=args[++i]+"/";
27 else if (option.equals("-mainclass"))
29 else if (option.equals("-help")) {
30 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
31 System.out.println("-dir outputdirectory -- output code in outputdirectory");
32 System.out.println("-mainclass -- main function to call");
33 System.out.println("-precise -- use precise garbage collection");
35 System.out.println("-help -- print out help");
38 readSourceFile(state, args[i]);
42 readSourceFile(state, ClassLibraryPrefix+"Object.java");
43 readSourceFile(state, ClassLibraryPrefix+"System.java");
44 readSourceFile(state, ClassLibraryPrefix+"String.java");
46 BuildIR bir=new BuildIR(state);
49 TypeUtil tu=new TypeUtil(state);
51 SemanticCheck sc=new SemanticCheck(state,tu);
55 BuildFlat bf=new BuildFlat(state);
58 BuildCode bc=new BuildCode(state, bf.getMap(), tu);
63 private static void readSourceFile(State state, String sourcefile) throws Exception {
64 Reader fr = new BufferedReader(new FileReader(sourcefile));
65 Lex.Lexer l = new Lex.Lexer(fr);
66 java_cup.runtime.lr_parser g;
67 g = new Parse.Parser(l);
68 ParseNode p=(ParseNode) g./*debug_*/parse().value;
69 state.addParseNode(p);
70 if (l.numErrors()!=0) {
71 System.out.println("Error parsing Object.java");
72 System.exit(l.numErrors());