30 lines
785 B
Plaintext
30 lines
785 B
Plaintext
key = _{quoted | word}
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value = _{quoted | word}
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quoted = _{ (PUSH("'") | PUSH("\"")) ~ string ~ POP }
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string = {char*}
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word = ${(LETTER | NUMBER | "_" | "-" | ".")+}
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char = _{ !(PEEK | "\\") ~ ANY
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| "\\" ~ (PEEK | "\\" | "/" | "b" | "f" | "n" | "r" | "t")
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| "\\" ~ ("u" ~ ASCII_HEX_DIGIT{4})}
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condition = _{between | eq | greater | less | geq | leq | neq}
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between = {key ~ value ~ "TO" ~ value}
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geq = {key ~ ">=" ~ value}
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leq = {key ~ "<=" ~ value}
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neq = {key ~ "!=" ~ value}
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eq = {key ~ "=" ~ value}
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greater = {key ~ ">" ~ value}
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less = {key ~ "<" ~ value}
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prgm = {SOI ~ expr ~ EOI}
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expr = _{ ( term ~ (operation ~ term)* ) }
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term = { ("(" ~ expr ~ ")") | condition | not }
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operation = _{ and | or }
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and = {"AND"}
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or = {"OR"}
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not = {"NOT" ~ term}
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WHITESPACE = _{ " " }
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