-----------------------------------------------------------------------
-- Project: Bluespec

-- File: ESyntax1.bs

-- Author : Nitin Chand Rahul      <ncr@noida.interrasystems.com>

-- Description: This testcase triggers a Syntax error (ESyntax)

-- Error Message : bsc ESyntax1.bs
-- bsc: Compilation errors:
-- "ESyntax1.bs", line 50, Syntax error: found token "package", expected ";", "; from layout", or "<EOF>"
-----------------------------------------------------------------------
package ESyntax1 (ESyntax1(..), mkESyntax1) where

import Int

interface ESyntax1 =
    start  :: Int 32 -> Int 32 -> Action
    result :: Int 32

mkESyntax1 :: Module ESyntax1
mkESyntax1 =
    module
        x :: Reg (Int 32)
        x <- mkRegU

        y :: Reg (Int 32)
        y <- mkReg 0

        rules
          "Swap":
            when x > y, y /= 0
              ==> action
                      x := y
                      y := x

          "Subtract":
            when x <= y, y /= 0
              ==> action
                      y := y - x

        interface
            start ix iy = action
                              x := ix
                              y := iy
                          when y == 0
            result = x when y == 0

package EXTRA () where

import Int

interface EXTRA =
    start  :: Int 32 -> Int 32 -> Action
    result :: Int 32