59. The method of claim 58 wherein the operation in a transducer block is a pattern matching operation, and the automatically generating computer source code implements the operation using a state machine reflecting technique that processes data of an input stream of a producer without backtracking.
59. The method of claim 58 wherein the operation in a transducer block is a pattern matching operation, and the automatically generating computer source code implements the operation using a state machine reflecting technique that processes data of an input stream of a producer without backtracking. 61. The method of claim 59 comprising: providing the user with performance semantic-level debugging capabilities.