X-Git-Url: http://plrg.eecs.uci.edu/git/?p=IRC.git;a=blobdiff_plain;f=Robust%2Fcup%2Fjava_cup%2Fsimple_calc%2Fscanner.java;fp=Robust%2Fcup%2Fjava_cup%2Fsimple_calc%2Fscanner.java;h=0000000000000000000000000000000000000000;hp=f8f850acad7431764d212939083c87b31182670a;hb=refs%2Ftags%2Fbuildscript;hpb=d10ef53954b37b62a281cc4e79aef7a4be2af98a

diff --git a/Robust/cup/java_cup/simple_calc/scanner.java b/Robust/cup/java_cup/simple_calc/scanner.java
deleted file mode 100644
index f8f850ac..00000000
--- a/Robust/cup/java_cup/simple_calc/scanner.java
+++ /dev/null
@@ -1,63 +0,0 @@
-// Simple Example Scanner Class
-
-package java_cup.simple_calc;
-
-import java_cup.runtime.Symbol;
-
-public class scanner implements java_cup.runtime.Scanner {
-  final java.io.InputStream instream;
-
-  public scanner(java.io.InputStream is) throws java.io.IOException {
-    instream = is;
-  }
-  public scanner() throws java.io.IOException { this(System.in); }
-
-  /* single lookahead character */
-  protected int next_char = -2;
-
-  /* advance input by one character */
-  protected void advance()
-    throws java.io.IOException
-    { next_char = instream.read(); }
-
-  /* initialize the scanner */
-  private void init()
-    throws java.io.IOException
-    { advance(); }
-
-  /* recognize and return the next complete token */
-  public Symbol next_token()
-    throws java.io.IOException
-    {
-      if (next_char==-2) init(); // set stuff up first time we are called.
-      for (;;)
-        switch (next_char)
-	  {
-	    case '0': case '1': case '2': case '3': case '4': 
-	    case '5': case '6': case '7': case '8': case '9': 
-	      /* parse a decimal integer */
-	      int i_val = 0;
-	      do {
-	        i_val = i_val * 10 + (next_char - '0');
-	        advance();
-	      } while (next_char >= '0' && next_char <= '9');
-	    return new Symbol(sym.NUMBER, new Integer(i_val));
-
-	    case ';': advance(); return new Symbol(sym.SEMI);
-	    case '+': advance(); return new Symbol(sym.PLUS);
-	    case '-': advance(); return new Symbol(sym.MINUS);
-	    case '*': advance(); return new Symbol(sym.TIMES);
-	    case '/': advance(); return new Symbol(sym.DIVIDE);
-	    case '%': advance(); return new Symbol(sym.MOD);
-	    case '(': advance(); return new Symbol(sym.LPAREN);
-	    case ')': advance(); return new Symbol(sym.RPAREN);
-
-	    case -1: return new Symbol(sym.EOF);
-
-	    default: 
-	      /* in this simple scanner we just ignore everything else */
-	      advance();
-	    break;
-	  }
-    }
-};