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make the init::Resources argument optional

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This commit is contained in:
Jorge Aparicio 2017-07-09 16:30:04 -05:00
parent b7e43c1dbc
commit 8485a24d36
1 changed files with 40 additions and 23 deletions
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63
macros/src/trans.rs
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@ -30,41 +30,58 @@ fn init(app: &App, main: &mut Vec<Tokens>, root: &mut Vec<Tokens>) {
let device = &app.device;
let krate = krate();
let mut fields = vec![];
let mut exprs = vec![];
let mut lifetime = None;
for (name, resource) in &app.resources {
lifetime = Some(quote!('a));
let mut tys = vec![quote!(init::Peripherals)];
let mut exprs = vec![quote!(init::Peripherals::all())];
let mut mod_items = vec![];
let ty = &resource.ty;
if !app.resources.is_empty() {
let mut fields = vec![];
let mut lifetime = None;
let mut rexprs = vec![];
fields.push(quote! {
pub #name: &'a mut #krate::Static<#ty>,
});
for (name, resource) in &app.resources {
lifetime = Some(quote!('a));
exprs.push(quote! {
#name: ::#krate::Static::ref_mut(&mut *super::#name.get()),
});
}
let ty = &resource.ty;
root.push(quote! {
#[allow(non_camel_case_types)]
#[allow(non_snake_case)]
pub struct _initResources<#lifetime> {
#(#fields)*
fields.push(quote! {
pub #name: &'a mut #krate::Static<#ty>,
});
rexprs.push(quote! {
#name: ::#krate::Static::ref_mut(&mut *super::#name.get()),
});
}
mod init {
pub use ::#device::Peripherals;
root.push(quote! {
#[allow(non_camel_case_types)]
#[allow(non_snake_case)]
pub struct _initResources<#lifetime> {
#(#fields)*
}
});
mod_items.push(quote! {
pub use ::_initResources as Resources;
impl<#lifetime> Resources<#lifetime> {
pub unsafe fn new() -> Self {
Resources {
#(#exprs)*
#(#rexprs)*
}
}
}
});
tys.push(quote!(init::Resources));
exprs.push(quote!(init::Resources::new()));
}
root.push(quote! {
mod init {
pub use ::#device::Peripherals;
#(#mod_items)*
}
});
@ -116,10 +133,10 @@ fn init(app: &App, main: &mut Vec<Tokens>, root: &mut Vec<Tokens>) {
let init = &app.init.path;
main.push(quote! {
// type check
let init: fn(init::Peripherals, init::Resources) = #init;
let init: fn(#(#tys,)*) = #init;
#krate::atomic(|_cs| unsafe {
init(init::Peripherals::all(), init::Resources::new());
init(#(#exprs,)*);
#(#exceptions)*
#(#interrupts)*