r4d 0.1.0

Text oriented macro processor
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WHITESPACE = _{ " " | "\t" | "\r" | "\n" }

char = { !"\"" ~ ANY }
char_name = _{ ASCII_ALPHANUMERIC | "_" }
name = @{ char_name* }
// No space characters allowed in macro_name
macro_name = { "$" ~ name }
macro_header = _{ macro_name ~ "(" }
string = ${ "\"" ~ char* ~ "\"" }
macro_args = { "[" ~ "]" | "[" ~ string ~ ( "," ~ string )* ~ "]"}
macro_impls = { "[" ~ "]" | "[" ~ string ~ ( "," ~ string )* ~ "]" ~ ")"}
macro_body = _{ macro_header ~ macro_args ~ "," ~ macro_impls }

source_stdin = { SOI ~ macro_body* }
source_file = { SOI ~ macro_body* ~ EOI }
// source = { SOI ~ macro_body* ~ EOI }