2023-12-09 17:24:41 +00:00
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MOD ::= EXPR*
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2023-12-11 17:01:22 +00:00
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EXPR ::=
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| ASSERT
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2023-12-17 18:10:17 +00:00
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| VARDECL
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2023-12-18 13:19:38 +00:00
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| VARSET
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| BLOCK
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2023-12-16 18:12:20 +00:00
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| OR
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2023-12-11 17:01:22 +00:00
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ASSERT ::= assert EXPR
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2023-12-17 18:10:17 +00:00
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VARDECL ::= let ident assign EXPR
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2023-12-18 13:19:38 +00:00
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VARSET ::= ident assign EXPR
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BLOCK ::= begin EXPR* end
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2023-12-16 18:12:20 +00:00
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OR ::= AND (or AND)*
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AND ::= EQNE (and EQNE)*
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2023-12-15 18:30:20 +00:00
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EQNE ::=
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2023-12-15 20:32:17 +00:00
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| CMP
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| CMP eq CMP
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| CMP ne CMP
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2023-12-15 21:31:01 +00:00
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CMP ::= TERM ((lt | le | ge | gt) TERM)?
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TERM ::= FACTOR ((add | sub) FACTOR)*
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FACTOR ::= POWER ((mul | div | mod) POWER)*
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POWER ::= UNARY (pow UNARY)?
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2023-12-16 18:12:20 +00:00
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UNARY ::= sub? GROUP | not? GROUP
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2023-12-15 21:31:01 +00:00
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GROUP ::= BUILTIN | opar EXPR cpar
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2023-12-17 18:10:17 +00:00
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BUILTIN ::= num | bool | str | ident
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