openharmony/third_party_rust_cxx
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Data structure for parsed contents of bridge module

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This commit is contained in:
David Tolnay 2020-08-29 15:06:16 -07:00
parent 633f5669fa
commit 00a83852cd
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GPG Key ID: F9BA143B95FF6D82
2 changed files with 28 additions and 3 deletions
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26
syntax/file.rs
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@ -1,7 +1,10 @@
use crate::syntax::namespace::Namespace;
use quote::quote;
use syn::parse::{Error, Parse, ParseStream, Result};
use syn::{braced, token, Attribute, Ident, Item, Token, Visibility};
use syn::{
braced, token, Attribute, Ident, Item as RustItem, ItemEnum, ItemForeignMod, ItemStruct,
ItemUse, Token, Visibility,
};
pub struct Module {
pub namespace: Namespace,
@ -14,6 +17,14 @@ pub struct Module {
pub content: Vec<Item>,
}
pub enum Item {
Struct(ItemStruct),
Enum(ItemEnum),
ForeignMod(ItemForeignMod),
Use(ItemUse),
Other(RustItem),
}
impl Parse for Module {
fn parse(input: ParseStream) -> Result<Self> {
let namespace = Namespace::none();
@ -53,3 +64,16 @@ impl Parse for Module {
})
}
}
impl Parse for Item {
fn parse(input: ParseStream) -> Result<Self> {
let item = input.parse()?;
match item {
RustItem::Struct(item) => Ok(Item::Struct(item)),
RustItem::Enum(item) => Ok(Item::Enum(item)),
RustItem::ForeignMod(item) => Ok(Item::ForeignMod(item)),
RustItem::Use(item) => Ok(Item::Use(item)),
other => Ok(Item::Other(other)),
}
}
}

5
syntax/parse.rs
View File

@ -1,4 +1,5 @@
use crate::syntax::discriminant::DiscriminantSet;
use crate::syntax::file::Item;
use crate::syntax::report::Errors;
use crate::syntax::Atom::*;
use crate::syntax::{
@ -11,7 +12,7 @@ use syn::parse::{ParseStream, Parser};
use syn::punctuated::Punctuated;
use syn::{
Abi, Attribute, Error, Fields, FnArg, ForeignItem, ForeignItemFn, ForeignItemType,
GenericArgument, Ident, Item, ItemEnum, ItemForeignMod, ItemStruct, LitStr, Pat, PathArguments,
GenericArgument, Ident, ItemEnum, ItemForeignMod, ItemStruct, LitStr, Pat, PathArguments,
Result, ReturnType, Token, Type as RustType, TypeBareFn, TypePath, TypeReference, TypeSlice,
};
@ -33,7 +34,7 @@ pub fn parse_items(cx: &mut Errors, items: Vec<Item>) -> Vec<Api> {
},
Item::ForeignMod(foreign_mod) => parse_foreign_mod(cx, foreign_mod, &mut apis),
Item::Use(item) => cx.error(item, error::USE_NOT_ALLOWED),
_ => cx.error(item, "unsupported item"),
Item::Other(item) => cx.error(item, "unsupported item"),
}
}
apis