//! Scala Parser
item       = _{ SOI ~ line* ~ EOI }
line       = _{ regexp | string_literal | string | other }
other      = ${ !(string) ~ ANY }
WHITESPACE =  { " " | "\t" | NEWLINE }

/// Comment
COMMENT       = ${ line_comment | block_comment }
line_comment  = _{ "//" ~ (!(NEWLINE) ~ ANY)* }
block_comment = _{ "/*" ~ (!("*/") ~ ANY)* ~ "*/" }

/// String
string         = ${ inner_string }
inner_string   = _{
    ("\"\"\"" ~ (!("\"\"\"") ~ ANY)* ~ "\"\"\"")
  | ("\"" ~ (!(NEWLINE | "\"") ~ ANY)* ~ "\"")
}
string_literal = ${ "s" ~ inner_string }

/// Regexp
regexp = ${
    ("Regex(" ~ " "* ~ inner_string ~ (!")" ~ ANY)* ~ ")")
  | (inner_string ~ ".r")
}