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language_parser.txt
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language_parser.txt
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program -> lines
lines -> line lines | epsilon;
line -> identifier '-' '>' rightSide ';' ;
rightSide -> side rightSide2
rightSide2 -> '|' rightSide | epsilon
side -> string sideTail | identifier sideTail
sideTail -> side | epsilon
number -> digit numberTail;
numberTail -> digit numberTail | epsilon;
identifier -> letter identifierTail;
identifierTail -> letter identifierTail | digit identifierTail | epsilon;
optionalWhiteSpace -> whitespace | epsilon
whitespace -> space whitespaceTail;
whitespaceTail -> whitespace whitespaceTail | epsilon;
string -> '\'' stringMiddle '\'';
stringMiddle -> allChars stringMiddle | epsilon;
doubleChars -> '\\' 'n' | '\\' 't' | '\\'
allChars -> space | digit | letter | '-' | '>' | ';';
space -> ' ' | '\t' | '\n'
digit -> '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0';
letter -> lowerCase | upperCase;
lowerCase -> 'q' | 'w' | 'e' | 'r' | 't' | 'y' | 'u' | 'i' | 'o' | 'p' | 'a' | 's' | 'd' | 'f' | 'g' | 'h' | 'j' | 'k' | 'l' | 'z' | 'x' | 'c' | 'v' | 'b' | 'n' | 'm';
upperCase -> 'Q' | 'W' | 'E' | 'R' | 'T' | 'Y' | 'U' | 'I' | 'O' | 'P' | 'A' | 'S' | 'D' | 'F' | 'G' | 'H' | 'J' | 'K' | 'L' | 'Z' | 'X' | 'C' | 'V' | 'B' | 'N' | 'M';
epsilon -> '';