main.java

编译原理大作业---tiger编译器 包括semant,translate,mipsframe,regalloc等所有phase 懂的人自会知道

package Parse;

public class Main {
   public static void main(String[] argv)  {
      String filename;
      int flagd = 0; // flag stampa debug
      int write = 0; // flag scrittura alberi su file

      System.out.println("\nCompilatore Tiger (produce il codice intermedio canonizzato)");

      if (argv.length!=0) {
         filename = argv[0]; // file sorgente
         System.out.println("File sorgente: " + filename);
         if (argv.length==3) {
            if (argv[1].equals("-d") || argv[1].equals("--debug")) flagd = 1;
            else if (argv[1].equals("-w") || argv[1].equals("--write")) write = 1;
                 else { usage(); System.exit(0); }
            if (argv[2].equals("-d") || argv[2].equals("--debug")) flagd = 1;
            else if (argv[2].equals("-w") || argv[2].equals("--write")) write = 1;
                 else { usage(); System.exit(0); }
         }

         if (argv.length==2) {
            if (argv[1].equals("-d") || argv[1].equals("--debug")) flagd = 1;
            else if(argv[1].equals("-w") || argv[1].equals("--write")) write = 1;
                 else { usage(); System.exit(0); }
         }

         try { new Parse(filename,flagd,write); }
         catch (Exception e) { System.exit(0); } // eventuali errori vengono riportati da Parse.java
      }
      else usage();
   }

   public static void usage() {
      System.out.println("Utilizzo:");
      System.out.println("java Parse/Main Filename [-d] [-w] [..]\n");
      System.out.println("  --debug ,  -d     Debug: stampa informazioni utili per il debug");
      System.out.println("  --write ,  -w     Write: salva gli alberi sui file Tree_Sintax, Tree_CI e Tree_CI_Canon\n");
  }
}