Main

Class prover

java.lang.Object

Main.prover

public class prover
extends java.lang.Object

This class contains the main method. It is responsible to get a command from user and parse and dispatch the command appropriately.

Author:

Hamoon

Constructor Summary

Constructors

Constructor and Description
prover()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	dispatch(java.lang.String s)
static Automaton	dispatchForIntegrationTest(java.lang.String s)
static Automaton	eval_def_commands(java.lang.String s)
static boolean	loadCommand(java.lang.String s) load x.p; loads commands from the file x.p.
static void	main(java.lang.String[] args) if the command line argument is not empty, we treat args[0] as a filename.
static boolean	readBuffer(java.io.BufferedReader in, boolean console) Takes a BufferedReader and reads from it until we hit end of file or exit command.
static Automaton	regCommand(java.lang.String s)
static void	run(java.lang.String[] args)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

prover

public prover()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

if the command line argument is not empty, we treat args[0] as a filename. if this is the case, we read from the file and load its commands before we submit control to user. if the the address is not a valid address or the file does not exist, we print an appropriate error message and submit control to the user. if the file contains the exit command we terminate the program.

Parameters:

args -

Throws:

java.lang.Exception

run

public static void run(java.lang.String[] args)

readBuffer

public static boolean readBuffer(java.io.BufferedReader in,
                 boolean console)

Takes a BufferedReader and reads from it until we hit end of file or exit command.

Parameters:

in -

console - = true if in = System.in

Returns:

dispatch

public static boolean dispatch(java.lang.String s)
                        throws java.lang.Exception

Throws:

java.lang.Exception

dispatchForIntegrationTest

public static Automaton dispatchForIntegrationTest(java.lang.String s)
                                            throws java.lang.Exception

Throws:

java.lang.Exception

loadCommand

public static boolean loadCommand(java.lang.String s)
                           throws java.lang.Exception

load x.p; loads commands from the file x.p. The file can contain any command except for load x.p; The user don't get a warning if the x.p contains load x.p but the program might end up in an infinite loop. Note that the file can contain load y.p; whenever y != x and y exist.

Parameters:

s -

Returns:

Throws:

java.lang.Exception

eval_def_commands

public static Automaton eval_def_commands(java.lang.String s)
                                   throws java.lang.Exception

Throws:

java.lang.Exception

regCommand

public static Automaton regCommand(java.lang.String s)
                            throws java.lang.Exception

Throws:

java.lang.Exception