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use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
use rtfm_syntax::ast::App;
use crate::{analyze::Analysis, check::Extra};
mod assertions;
mod dispatchers;
mod hardware_tasks;
mod idle;
mod init;
mod locals;
mod module;
mod post_init;
mod pre_init;
mod resources;
mod resources_struct;
mod schedule;
mod schedule_body;
mod software_tasks;
mod spawn;
mod spawn_body;
mod timer_queue;
mod util;
// TODO document the syntax here or in `rtfm-syntax`
pub fn app(app: &App, analysis: &Analysis, extra: &Extra) -> TokenStream2 {
let mut const_app = vec![];
let mut mains = vec![];
let mut root = vec![];
let mut user = vec![];
// generate a `main` function for each core
for core in 0..app.args.cores {
let assertion_stmts = assertions::codegen(core, analysis, extra);
let (const_app_pre_init, pre_init_stmts) = pre_init::codegen(core, &app, analysis, extra);
let (const_app_init, root_init, user_init, call_init) =
init::codegen(core, app, analysis, extra);
let (const_app_post_init, root_post_init, post_init_stmts) =
post_init::codegen(core, &app, analysis, extra);
let (const_app_idle, root_idle, user_idle, call_idle) =
idle::codegen(core, app, analysis, extra);
user.push(quote!(
#user_init
#user_idle
));
root.push(quote!(
#(#root_init)*
#(#root_post_init)*
#(#root_idle)*
));
const_app.push(quote!(
#(#const_app_pre_init)*
#const_app_init
#(#const_app_post_init)*
#const_app_idle
));
let cfg_core = util::cfg_core(core, app.args.cores);
let main = util::suffixed("main", core);
let section = util::link_section("text", core);
mains.push(quote!(
#[no_mangle]
#section
#cfg_core
unsafe extern "C" fn #main() -> ! {
#(#assertion_stmts)*
#(#pre_init_stmts)*
#call_init
#(#post_init_stmts)*
#call_idle
}
));
}
let (const_app_resources, mod_resources, mod_gresources) =
resources::codegen(app, analysis, extra);
let (const_app_hardware_tasks, root_hardware_tasks, user_hardware_tasks) =
hardware_tasks::codegen(app, analysis, extra);
let (const_app_software_tasks, root_software_tasks, user_software_tasks) =
software_tasks::codegen(app, analysis, extra);
let const_app_dispatchers = dispatchers::codegen(app, analysis, extra);
let const_app_spawn = spawn::codegen(app, analysis, extra);
let const_app_timer_queue = timer_queue::codegen(app, analysis, extra);
let const_app_schedule = schedule::codegen(app, extra);
let cores = app.args.cores.to_string();
let cfg_core = quote!(#[cfg(core = #cores)]);
let msg = format!(
"specified {} core{} but tried to compile for more than {0} core{1}",
app.args.cores,
if app.args.cores > 1 { "s" } else { "" }
);
let check_excess_cores = quote!(
#cfg_core
compile_error!(#msg);
);
let name = &app.name;
let device = extra.device;
quote!(
#(#user)*
#(#user_hardware_tasks)*
#(#user_software_tasks)*
#(#root)*
#mod_resources
#mod_gresources
#(#root_hardware_tasks)*
#(#root_software_tasks)*
/// Implementation details
// the user can't access the items within this `const` item
const #name: () = {
/// Always include the device crate which contains the vector table
use #device as _;
#check_excess_cores
#(#const_app)*
#(#const_app_resources)*
#(#const_app_hardware_tasks)*
#(#const_app_software_tasks)*
#(#const_app_dispatchers)*
#(#const_app_spawn)*
#(#const_app_timer_queue)*
#(#const_app_schedule)*
#(#mains)*
};
)
}
|