diff -r 2fcd7c2da729 -r 4980f421b3b0 progs/compile_arr.scala
--- a/progs/compile_arr.scala	Sun Jan 26 14:16:30 2020 +0000
+++ b/progs/compile_arr.scala	Mon Jan 27 10:11:44 2020 +0000
@@ -60,10 +60,12 @@
    .limit locals 200
    .limit stack 200
 
+; COMPILED CODE STARTS   
+
 """
 
 val ending = """
-
+; COMPILED CODE ENDS
    return
 
 .end method
@@ -359,7 +361,7 @@
    ("if" ~ BExp ~ "then" ~ Block ~ "else" ~ Block) ==>
     { case _ ~ y ~ _ ~ u ~ _ ~w => If(y, u, w): Stmt } |
    ("while" ~ BExp ~ "do" ~ Block) ==> { case _ ~ y ~ _ ~ w => While(y, w) } |
-   ("new" ~ IdParser ~ "[" ~ NumParser ~ "]") ==> { 
+   ("new(" ~ IdParser ~ "[" ~ NumParser ~ "])") ==> { 
     case _ ~ y ~ _ ~ u ~ _ => ArrayDef(y, u) } |
    ("write" ~ IdParser) ==> { case _ ~ y => Write(y) } 
  
@@ -405,11 +407,11 @@
 def instr(c: Char) : String = c match {
   case '>' => "ptr := ptr + 1;"
   case '<' => "ptr := ptr - 1;"
-  case '+' => "field[ptr] := field[ptr] + 1;"
-  case '-' => "field[ptr] := field[ptr] - 1;"
-  case '.' => "x := field[ptr]; write x;"
+  case '+' => "mem[ptr] := mem[ptr] + 1;"
+  case '-' => "mem[ptr] := mem[ptr] - 1;"
+  case '.' => "x := mem[ptr]; write x;"
   //case ',' => "XXX" // "ptr = getchar();\n"
-  case '['  => "while (field[ptr] != 0) do {"
+  case '['  => "while (mem[ptr] != 0) do {"
   case ']'  => "skip};"
   case _ => ""
 }
@@ -443,11 +445,11 @@
 def instr2(c: Char, n: Int) : String = c match {
   case '>' => s"ptr := ptr + $n;"
   case '<' => s"ptr := ptr - $n;"
-  case '0' => s"field[ptr] := 0;"
-  case '+' => s"field[ptr] := field[ptr] + $n;"
-  case '-' => s"field[ptr] := field[ptr] - $n;"
-  case '.' => s"x := field[ptr]; write x;" 
-  case '['  => "while (field[ptr] != 0) do {" * n 
+  case '0' => s"mem[ptr] := 0;"
+  case '+' => s"mem[ptr] := mem[ptr] + $n;"
+  case '-' => s"mem[ptr] := mem[ptr] - $n;"
+  case '.' => s"x := mem[ptr]; write x;" 
+  case '['  => "while (mem[ptr] != 0) do {" * n 
   case ']'  => "skip};" * n
   case _ => ""
 }
@@ -456,7 +458,7 @@
   spl(prog.replaceAll("""\[-\]""", "0")).map{ case (c, n) => instr2(c, n) }.mkString
 
 def bf_str(prog: String) : String = {
-  "\n" ++
+  "new(mem[30000]);" ++
   "ptr := 15000;" ++
   instrs2(prog) ++
   "skip"
@@ -468,7 +470,7 @@
   println(s"BF parsing (program length ${bf_string.length} characters)")
   val (time, bf_prog) = time_needed(1, Stmts.parse_all(bf_string).toList.head)
   println(s"BF generated WHILE program (needed $time for parsing)")
-  compile_and_run(ArrayDef("field", 30000) :: bf_prog, name)
+  compile_and_run(bf_prog, name)
 }
 
 // a benchmark program (counts down from 'Z' to 'A')