autoload 0.1.0

rust autoload macro,single scan load ioc aop
Documentation 
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WHITESPACE = _{" " | notes|NEWLINE}
notes = {"//"+~(!"\n"~ANY)*~NEWLINE+}
char = @{ ASCII_ALPHANUMERIC}
attr_name_char = {(char+|"_")}
attr_name_char_group = {attr_name_char+}


use_char = @{ ASCII_ALPHANUMERIC|":"|","|"{"|"}"|"_"}
use_char_group = {use_char*}
use_content = {("use"~use_char_group~";")}

extern_char =  @{ ASCII_ALPHANUMERIC|":"|","|"{"|"}"|"_"}
extern_char_group = {extern_char+}
extern_content = {("extern"~"crate"~extern_char_group+~";")}

macro_char = @{ ASCII_ALPHANUMERIC|"("|")"|"!"|","|"_"|"-"|">"|"<"|"/"|"\""|"="|"." }
macro_char_group = {macro_char*}
macro_content = {("#"~"["~macro_char_group~"]")}

let_static_char = @{ASCII_ALPHANUMERIC}
let_static_char_group_name = {let_static_char*}
let_static_char_group_value = {let_static_char*}
let_static_content = {("static"~let_static_char_group_name~"="~let_static_char_group_value~";")}


cast_content = {(use_content|extern_content)}
cast_all_content = {cast_content*}

type_char = @{ ASCII_ALPHANUMERIC|":"|"," |"+"|"'"|"_"|"("|")"}
type_fnafor = {(type_fnbfor|type_fncfor|type_fndfor)}
type_fnbfor = {"<"~type_char*~type_fnafor~type_char*~">"}
type_fncfor = {type_char*~"<"~type_char*~">"~type_char*}
type_fndfor = {type_char*~"<"~type_fnafor*~">"~type_char*}

fun_char = { !"{"~!"}"~ANY}
fun_left_char = {"{"}
fun_right_char = {"}"{0,1}}
fun_char_group = {fun_char*}
fun_afor = {(fun_bfor|fun_cfor|fun_dfor)}
fun_bfor = {fun_left_char~fun_char_group~fun_afor~fun_char_group~fun_right_char}
fun_cfor = {fun_char_group~fun_left_char~fun_char_group~fun_right_char~fun_char_group}
fun_dfor = {fun_char_group~fun_left_char~fun_afor*~fun_right_char~fun_char_group}

fun_name_char = @{!"{"~!"}"~ASCII_ALPHANUMERIC|"_"}
fun_name_group = {fun_name_char*}
fun_brackets_char = {!"("~!")"~ANY}
fun_brackets_group = {fun_brackets_char*}
fun_head_end_char = {!"{"~!"}"~ANY}
fun_head_end_group ={fun_head_end_char*}
fun_for_content_group = {fun_afor+}
other_content = {!scan_macro_fun_content~ANY}

scan_macro_fun_content = {"pub"~"fn"~fun_name_group~"("~fun_brackets_group~")"~fun_head_end_group~fun_for_content_group}

file = {
    SOI~
   (other_content|scan_macro_fun_content)*
    ~EOI
}