substreams 0.7.6

Substreams SDK - A streaming data engine for The Graph - by StreamingFast
Documentation 
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expression = { or ~ space? ~ EOI }
or = { (and ~ (space? ~ ("||") ~ space? ~ and )* ) }
and = { (value ~ ((space ~ value) | (space? ~ ("&&") ~ space? ~ value ~ space?))* ) }
value = { (space? ~ singleQuoteKeyTerm ~ space?) | (space? ~ doubleQuoteKeyTerm ~ space?) | keyterm | (space? ~ "(" ~ space? ~ or ~ space? ~ ")" ~ space?) }
keyterm = { !("-") ~ (ctr_accepted)+ }
singleQuoteKeyTerm = { ("'") ~ !("-") ~ (!"'" ~ ANY)+ ~ ("'")}
doubleQuoteKeyTerm = { ("\"") ~ !("-") ~ (!"\"" ~ ANY)+ ~ ("\"")}

ctr_accepted = _{(!(space | "'" | "\"" | "(" | ")" | ("||") | ("&&")) ~ ANY)}
space = _{ (" " | "\t" | "\n" )+ }