newline = ${ "\n" | "\r" }
space = ${ " "+ }
other = ${ !(string) ~ ANY }
comment = ${ single_line_comment | multiline_comment }
single_line_comment = _{ "#" ~ (!(newline) ~ ANY)* }
multiline_comment = _{
"\"\"\"" ~ (!("\"\"\"") ~ ANY)* ~ "\"\"\""
}
string = ${
string_val
| ("\"\"\"" ~ (!("\"\"\"") ~ ANY)* ~ "\"\"\"")
| ("~" ~ ("s" | "c") ~ "(" ~ (!(newline | ")") ~ ANY)* ~ ")")
}
string_val = _{
("'" ~ (!(newline | "'") ~ ANY)* ~ "'")
| ("\"" ~ (!(newline | "\"") ~ ANY)* ~ "\"")
}
regexp = ${
( "~r/" ~ (!(newline | "/") ~ ANY)* ~ "/" )
| ("Regex.compile(" ~ " "* ~ string_val ~ (!")" ~ ANY)* ~ ")")
}
line = _{ regexp | comment | string | space | other | newline }
item = _{ SOI ~ line* ~ EOI }