////////SYNTAX COMPONENTS
enum class SyntaxComponents {
    WHITESPACE, SYMBOL, NAME, INTEGER, STATEMENT_LIST, STATEMENT
}

enum class KeywordsTypes(val keyword: String) {
    PROCEDURE("procedure"),
    IF("if"),
    THEN("then"),
    ELSE("else"),
    WHILE("while"),
    CALL("call")
}

enum class SymbolsTypes(val symbol: String) {
    OPEN_BRACKET("{"),
    CLOSE_BRACKET("}"),
    PLUS("+"),
    MINUS("-"),
    TIMES("*"),
    SEMICOLON(";")
}

enum class GrammarRules(val rule: List<Any>) {
    PROCEDURE(listOf(KeywordsTypes.PROCEDURE, SyntaxComponents.WHITESPACE, SyntaxComponents.NAME, SyntaxComponents.WHITESPACE, SymbolsTypes.OPEN_BRACKET, SyntaxComponents.WHITESPACE, SyntaxComponents.STATEMENT_LIST, SyntaxComponents.WHITESPACE, SymbolsTypes.CLOSE_BRACKET))
}