Tiny programming language
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The language itself is so basic that it only includes reading of integer numbers, addition and subtraction arithmetic operations, and displaying numerical values.
The grammar of the language follows:
<program> -> BEGIN <stmt list> END <stmt list> -> <stmt list> <stmt> | <stmt> <stmt> -> <ident> := <expr>; <stmt> -> READ ( <id list> ) ; <stmt> -> WRITE ( <expr list> ) ; <id list> -> <id list>, <ident> | <ident> <expr list> -> <expr list>, <expr> | <expr> <expr> -> <expr> <op> <factor> | <factor> <factor> -> ( <expr> ) | <ident> | INT <op> -> + | - <ident> -> ID
As can be deduced from this simplistic grammar, the language is of limited practical use, gaining the most value as a teaching aid.