roza/doc/roza.bnf

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BNF
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MOD ::= EXPR*
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EXPR ::=
| ASSERT
| EQNE
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ASSERT ::= assert EXPR
EQNE ::=
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| CMP
| CMP eq CMP
| CMP ne CMP
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CMP ::= TERM ((lt | le | ge | gt) TERM)?
TERM ::= FACTOR ((add | sub) FACTOR)*
FACTOR ::= POWER ((mul | div | mod) POWER)*
POWER ::= UNARY (pow UNARY)?
UNARY ::= sub? GROUP
GROUP ::= BUILTIN | opar EXPR cpar
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BUILTIN ::= num | bool | str