parse.java

来自「Tiger语言的一种编译器,在大学CS课程必做的,不过可惜的是没有完全完成,做好」· Java 代码 · 共 29 行

package Parse;

public class Parse {

  public ErrorMsg.ErrorMsg errorMsg;

  public Parse(String filename) {
       errorMsg = new ErrorMsg.ErrorMsg(filename);
       java.io.InputStream inp;
       try {inp=new java.io.FileInputStream(filename);
       } catch (java.io.FileNotFoundException e) {
	 throw new Error("File not found: " + filename);
       }
       Grm parser = new Grm(new Yylex(inp,errorMsg), errorMsg);

      try {
          parser./*debug_*/parse();
      } catch (Throwable e) {
	e.printStackTrace();
	throw new Error(e.toString());
      } 
      finally {
         try {inp.close();} catch (java.io.IOException e) {}
      }
  }
}