Symantec Visual Cafe for Java 2.5/symantec-visual-cafe-2.5-database-dev-edition.iso/VPage/Java.bin/CLASSES.ZIP/sun/tools/asm/LocalVariableTable.class

Java Class File | 1997-07-08 | 1.7 KB | 45 lines

package sun.tools.asm;

import java.io.DataOutputStream;
import java.io.IOException;
import sun.tools.java.Environment;
import sun.tools.java.FieldDefinition;

final class LocalVariableTable {
   LocalVariable[] locals = new LocalVariable[8];
   int len;

   void define(FieldDefinition var1, int var2, int var3, int var4) {
      if (var3 < var4) {
         for(int var5 = 0; var5 < this.len; ++var5) {
            if (this.locals[var5].field == var1 && this.locals[var5].slot == var2 && var3 <= this.locals[var5].to && var4 >= this.locals[var5].from) {
               this.locals[var5].from = Math.min(this.locals[var5].from, var3);
               this.locals[var5].to = Math.max(this.locals[var5].to, var4);
               return;
            }
         }

         if (this.len == this.locals.length) {
            LocalVariable[] var6 = new LocalVariable[this.len * 2];
            System.arraycopy(this.locals, 0, var6, 0, this.len);
            this.locals = var6;
         }

         this.locals[this.len++] = new LocalVariable(var1, var2, var3, var4);
      }
   }

   void write(Environment var1, DataOutputStream var2, ConstantPool var3) throws IOException {
      var2.writeShort(this.len);

      for(int var4 = 0; var4 < this.len; ++var4) {
         var2.writeShort(this.locals[var4].from);
         var2.writeShort(this.locals[var4].to - this.locals[var4].from);
         var2.writeShort(var3.index(this.locals[var4].field.getName().toString()));
         var2.writeShort(var3.index(this.locals[var4].field.getType().getTypeSignature()));
         var2.writeShort(this.locals[var4].slot);
      }

   }
}