C++ Interpreter

Design and implement an interpreter in C++ that executes the code written in LAO language (the name of our own programming language). The statements in LAO language are:

• ::= REM | REM
• ::= =
• ::= PRINT | PRINT | PRINT | PRINT
• ::= READ
• ::= IF THEN
• ::= END.

Where:

::= |

::= a-z | A-Z

::= |

::= | < unsign integer>

::= |

::= |

::=

::= .

::=

::= e | E

::= 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9

::= + | -

::= "" | ""

::=

::= .gt. | .lt. | .eq. | .ge. | .le. | .ne.

::= .or. | .and. | .not.

::= | |