/media/sda-magnetic/david/Extern-Magnetic-2022-06-29/Extern01/Dokumente-2020-11-16/disk10-ab-2020-01-10/02-debian-pc2-work/informatik/yun7x/grammar.txt

sequence -> statement | statement; sequence
statement -> print assignment | assignment | cond | loop
assignment -> id := expr
cond -> if boolexpr then statement fi | if boolexpr then statement else statement fi
loop -> while boolexpr do statement od
expr -> numexpr | boolexpr
boolexpr -> numexpr cop numexpr
numexpr -> numexpr + term | term
term -> term * factor | factor
factor -> id | const | (numexpr)