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73 lines
1.9 KiB
73 lines
1.9 KiB
operator = @{ "operator" } // TODO
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operand = @{ "operand" } // TODO
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variable =@{ ASCII_ALPHA
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~ (ASCII_ALPHANUMERIC | " ")*
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}
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char =_{ "\"" ~ ANY ~ "\"" }
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decNum =_{ ASCII_DIGIT+ }
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hexNum =_{ "0x" ~ ASCII_HEX_DIGIT+ }
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num =_{ hexNum | decNum }
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constant = { char | num }
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var =@{ "var" ~ spacing+ ~ variable }
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delvar =@{ "delvar" ~ spacing+ ~ variable }
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point =@{ "point" ~ spacing+ ~ variable }
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pointm =@{ "pointm" ~ spacing+ ~ variable }
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add =@{ "add" ~ spacing+ ~ constant }
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addb =@{ "addb" ~ spacing+ ~ constant }
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addv =@{ "addv" ~ spacing+ ~ variable }
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sub =@{ "sub" ~ spacing+ ~ constant }
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subb =@{ "subb" ~ spacing+ ~ constant }
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subv =@{ "subv" ~ spacing+ ~ variable }
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copy =@{ "copy" ~ spacing+ ~ variable }
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setz =@{ "setz" }
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getchr =@{ "getchr" }
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print =@{ "print" }
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instruction =_{ var
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| delvar
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| point
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| pointm
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| add
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| addb
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| addv
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| sub
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| subb
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| subv
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| copy
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| setz
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| getchr
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| print
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| operator ~ (spacing+ ~ operand)?
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}
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loopBlockStart = { "[" ~ NEWLINE }
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loopBlockEnd = { "]" }
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loopBlock = { loopBlockStart
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~ statements
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~ loopBlockEnd
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}
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statement = _{ spacing*
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~ (instruction | loopBlock)
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}
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statements = _{ (statement | NEWLINE)* }
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spacing = _{ " " | "\t" }
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COMMENT = _{ ";;" ~ (!NEWLINE ~ ANY)* ~ NEWLINE}
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file = {SOI ~ (statement ~ NEWLINE+)* ~ EOI}
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