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Add pallet dev mode (#12536)

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* stub for construct_dev_runtime!

* revert

* stub for dev_mode proc macro

* preliminary docs for pallet::dev_mode (attribute) proc macro

* add dev_mode to pallet_macros module

* add docs item for dev_mode to frame_support

* parsing of #[pallet(dev_mode)]

* strip out dev_mode stub since it will be an arg for pallet instead

* make pallet Def struct aware of dev mode

* WIP

* revert changes to call.rs

* pass dev_mode to pallet parsing code

* auto-specify default weights when in dev mode if not specified

* add proof / expect for syn::parse in dev mode weight processing

* set all storages to unbounded when in dev mode

* just use 0

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* add invalid pallet arg test

* add passing dev mode pallet test

* add test confirming that dev mode features only work in dev mode

* cargo fmt + clean up

* bump CI

* fix pallet ui test

* add docs for dev mode

* add warning about using dev mode in production circumstances

* remove comment about no other attributes being supported

* fix unneeded assignment

* make warning more explicit

* more explicit warning about using dev mode in production

* simpler assignment for dev_mode boolean

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* add note about MEL requirement

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* add comment specifying why weights can be omitted in example

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* tweak wording of comments

* bump ci

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Sam Johnson
2022-11-07 16:40:55 -05:00
committed by GitHub
parent cf5c78dbe8
commit 7c4bfc9749
14 changed files with 233 additions and 12 deletions
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substrate/frame/support/procedural/src/pallet/mod.rs
+16 -6
View File
@@ -31,20 +31,30 @@ mod parse;
pub use parse::Def;
use syn::spanned::Spanned;
mod keyword {
syn::custom_keyword!(dev_mode);
}
pub fn pallet(
attr: proc_macro::TokenStream,
item: proc_macro::TokenStream,
) -> proc_macro::TokenStream {
let mut dev_mode = false;
if !attr.is_empty() {
let msg =
"Invalid pallet macro call: expected no attributes, e.g. macro call must be just \
`#[frame_support::pallet]` or `#[pallet]`";
let span = proc_macro2::TokenStream::from(attr).span();
return syn::Error::new(span, msg).to_compile_error().into()
if let Ok(_) = syn::parse::<keyword::dev_mode>(attr.clone()) {
dev_mode = true;
} else {
let msg = "Invalid pallet macro call: unexpected attribute. Macro call must be \
bare, such as `#[frame_support::pallet]` or `#[pallet]`, or must specify the \
`dev_mode` attribute, such as `#[frame_support::pallet(dev_mode)]` or \
#[pallet(dev_mode)].";
let span = proc_macro2::TokenStream::from(attr).span();
return syn::Error::new(span, msg).to_compile_error().into()
}
}
let item = syn::parse_macro_input!(item as syn::ItemMod);
match parse::Def::try_from(item) {
match parse::Def::try_from(item, dev_mode) {
Ok(def) => expand::expand(def).into(),
Err(e) => e.to_compile_error().into(),
}