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authorGravatar Emil Fresk <emil.fresk@gmail.com> 2022-12-31 14:45:13 +0100
committerGravatar Henrik Tjäder <henrik@tjaders.com> 2023-03-01 00:29:10 +0100
commit7614b96fe45240dafe91ae549e712b560e2d4c10 (patch)
tree30e1666c0aac09480e1a87e5fe7965487f4a99e6 /macros/src/syntax/parse/resource.rs
parent1c5db277e4161470136dbd2a11e914ff1d383581 (diff)
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RTIC v2: Initial commit
rtic-syntax is now part of RTIC repository
Diffstat (limited to 'macros/src/syntax/parse/resource.rs')
-rw-r--r--macros/src/syntax/parse/resource.rs55
1 files changed, 55 insertions, 0 deletions
diff --git a/macros/src/syntax/parse/resource.rs b/macros/src/syntax/parse/resource.rs
new file mode 100644
index 00000000..ff100576
--- /dev/null
+++ b/macros/src/syntax/parse/resource.rs
@@ -0,0 +1,55 @@
+use proc_macro2::Span;
+use syn::{parse, Field, Visibility};
+
+use crate::syntax::parse::util::FilterAttrs;
+use crate::syntax::{
+ ast::{LocalResource, SharedResource, SharedResourceProperties},
+ parse::util,
+};
+
+impl SharedResource {
+ pub(crate) fn parse(item: &Field, span: Span) -> parse::Result<Self> {
+ if item.vis != Visibility::Inherited {
+ return Err(parse::Error::new(
+ span,
+ "this field must have inherited / private visibility",
+ ));
+ }
+
+ let FilterAttrs {
+ cfgs,
+ mut attrs,
+ docs,
+ } = util::filter_attributes(item.attrs.clone());
+
+ let lock_free = util::extract_lock_free(&mut attrs)?;
+
+ Ok(SharedResource {
+ cfgs,
+ attrs,
+ docs,
+ ty: Box::new(item.ty.clone()),
+ properties: SharedResourceProperties { lock_free },
+ })
+ }
+}
+
+impl LocalResource {
+ pub(crate) fn parse(item: &Field, span: Span) -> parse::Result<Self> {
+ if item.vis != Visibility::Inherited {
+ return Err(parse::Error::new(
+ span,
+ "this field must have inherited / private visibility",
+ ));
+ }
+
+ let FilterAttrs { cfgs, attrs, docs } = util::filter_attributes(item.attrs.clone());
+
+ Ok(LocalResource {
+ cfgs,
+ attrs,
+ docs,
+ ty: Box::new(item.ty.clone()),
+ })
+ }
+}