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use crate::compiler::message::Message;

use crate::compiler::util::types::TypePathMap;

use crate::gen::base::map::{DefaultTypeMapper, TypePathMapper};

use crate::gen::base::message::{gen_message_array_type_decls, generate, Templates};

use crate::gen::base::Error;

use crate::gen::codec::CodecMap;

use crate::gen::rust::util::RustUtils;

use crate::gen::template::Template;

use crate::gen::RustParams;

const TEMPLATE: &[u8] = include_bytes!("decl.template");

const TEMPLATE_EXT: &[u8] = include_bytes!("ext.template");

pub fn gen_message_decl(

    msg: &Message,

    codec_map: &CodecMap,

    type_path_map: &TypePathMap,

    params: &RustParams,

) -> Result<String, Error> {

    let type_path_map = TypePathMapper::new(type_path_map, DefaultTypeMapper);

    let mut templates = Templates {

        template: Template::compile(TEMPLATE_EXT).unwrap(),

        codec_map,

    };

    templates.template.var("msg_name", &msg.name);

    let mut code = String::new();

    if params.enable_list_wrappers {

  Branch (55:8): [True: 6, False: 22]
  Branch (55:8): [Folded - Ignored]

        code += &gen_message_array_type_decls::<RustUtils, _>(&templates, "wrappers", msg, &type_path_map)
?0
;

    }

    templates.template = Template::compile(TEMPLATE).unwrap();

    templates.template.var(

        "generics",

        RustUtils::get_generics(msg, &type_path_map).to_string_with_defaults(),

    );

    code += &generate::<RustUtils, _>(templates, msg, &type_path_map)
?0
;

    Ok(code)

}