This commit was manufactured by cvs2svn to create tag 'buildscript'.

[IRC.git] / Robust / cup / java_cup / simple_calc / scanner.java

diff --git a/Robust/cup/java_cup/simple_calc/scanner.java b/Robust/cup/java_cup/simple_calc/scanner.java
deleted file mode 100644 (file)
index f8f850a..0000000
--- 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;
-         }
-    }
-};