16 lines
320 B
BNF
16 lines
320 B
BNF
PROG ::= (INSTR (EOI INSTR)*)?
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INSTR ::= EXPR
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EXPR ::= IMP
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IMP ::= OR (imp OR)?
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OR ::= AND (or AND)*
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AND ::= TERM (and TERM)*
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TERM ::= FACTOR ((add | sub) FACTOR)*
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FACTOR ::= UNOP ((mul | div | mod) UNOP)*
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UNOP ::= (add | sub | not)? POW
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POW ::= GROUP (pow GROUP)?
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GROUP ::= BASE | opar EXPR cpar
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BASE ::= int | bool
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