Merge "Update for Rust v1.62.0" (1790bbc9) · Commits · e / os / android_packages_modules_Bluetooth

tools/pdl/src/generator.rs

+194 −141

Original line number	Diff line number	Diff line
		@@ -2,6 +2,7 @@ use crate::ast;
		use anyhow::{anyhow, bail, Context, Result};
		use quote::{format_ident, quote};
		use std::collections::HashMap;
		use std::fmt::Write;
		use std::path::Path;
		use syn::parse_quote;

		@@ -22,9 +23,12 @@ fn generate_preamble(path: &Path) -> Result<String> {
		.file_name()
		.and_then(\|path\| path.to_str())
		.ok_or_else(\|\| anyhow!("could not find filename in {:?}", path))?;
		code.push_str(&format!("// @generated rust packets from {filename}\n\n"));
		let _ = write!(code, "// @generated rust packets from {filename}\n\n");

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		use bytes::{BufMut, Bytes, BytesMut};
		use num_derive::{FromPrimitive, ToPrimitive};
		use num_traits::{FromPrimitive, ToPrimitive};
		@@ -32,13 +36,21 @@ fn generate_preamble(path: &Path) -> Result<String> {
		use std::fmt;
		use std::sync::Arc;
		use thiserror::Error;
		});
		}
		);

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		type Result<T> = std::result::Result<T, Error>;
		});
		}
		);

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		#[derive(Debug, Error)]
		pub enum Error {
		#[error("Packet parsing failed")]
		@@ -52,20 +64,29 @@ fn generate_preamble(path: &Path) -> Result<String> {
		#[error("when parsing field {obj}.{field}, {value} is not a valid {type_} value")]
		InvalidEnumValueError { obj: String, field: String, value: u64, type_: String },
		}
		});
		}
		);

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		#[derive(Debug, Error)]
		#[error("{0}")]
		pub struct TryFromError(&'static str);
		});
		}
		);

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		pub trait Packet {
		fn to_bytes(self) -> Bytes;
		fn to_vec(self) -> Vec<u8>;
		}
		});
		}
		);

		Ok(code)
		}
		@@ -226,7 +247,10 @@ fn generate_packet_decl(
		let child_name = format_ident!("{id}Child");
		if has_children {
		let child_data_idents = child_idents.iter().map(\|ident\| format_ident!("{ident}Data"));
		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		#[derive(Debug)]
		enum #data_child_ident {
		#(#child_idents(Arc<#child_data_idents>),)*
		@@ -248,7 +272,8 @@ fn generate_packet_decl(
		#(#child_idents(#child_decl_packet_name),)*
		None,
		}
		});
		}
		);
		}

		let data_name = format_ident!("{id}Data");
		@@ -261,13 +286,17 @@ fn generate_packet_decl(
		.iter()
		.map(\|field\| generate_field(field, parse_quote!()))
		.collect::<Result<Vec<_>>>()?;
		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		#[derive(Debug)]
		struct #data_name {
		#(#plain_fields,)*
		#child_field
		}
		});
		}
		);

		let parent = parent_id.as_ref().map(\|parent_id\| match packets.get(parent_id.as_str()) {
		Some(ast::Decl::Packet { id, .. }) => {
		@@ -281,25 +310,33 @@ fn generate_packet_decl(
		});

		let packet_name = format_ident!("{id}Packet");
		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		#[derive(Debug, Clone)]
		pub struct #packet_name {
		#parent
		#ident: Arc<#data_name>,
		}
		});
		}
		);

		let builder_name = format_ident!("{id}Builder");
		let pub_fields = fields
		.iter()
		.map(\|field\| generate_field(field, parse_quote!(pub)))
		.collect::<Result<Vec<_>>>()?;
		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		#[derive(Debug)]
		pub struct #builder_name {
		#(#pub_fields,)*
		}
		});
		}
		);

		// TODO(mgeisler): use the `Buf` trait instead of tracking
		// the offset manually.
		@@ -336,7 +373,10 @@ fn generate_packet_decl(
		})
		});

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		impl #data_name {
		fn conforms(bytes: &[u8]) -> bool {
		// TODO(mgeisler): return Boolean expression directly.
		@@ -366,9 +406,13 @@ fn generate_packet_decl(
		ret
		}
		}
		});
		}
		);

		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		impl Packet for #packet_name {
		fn to_bytes(self) -> Bytes {
		let mut buffer = BytesMut::new();
		@@ -390,7 +434,8 @@ fn generate_packet_decl(
		packet.to_vec()
		}
		}
		});
		}
		);

		let specialize = has_children.then(\|\| {
		quote! {
		@@ -408,7 +453,10 @@ fn generate_packet_decl(
		.iter()
		.map(\|field\| generate_field_getter(&ident, field))
		.collect::<Result<Vec<_>>>()?;
		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		impl #packet_name {
		pub fn parse(bytes: &[u8]) -> Result<Self> {
		Ok(Self::new(Arc::new(#data_name::parse(bytes)?)).unwrap())
		@@ -423,14 +471,18 @@ fn generate_packet_decl(

		#(#field_getters)*
		}
		});
		}
		);

		let child = has_children.then(\|\| {
		quote! {
		child: #data_child_ident::None,
		}
		});
		code.push_str(&quote_block! {
		let _ = write!(
		code,
		"{}",
		&quote_block! {
		impl #builder_name {
		pub fn build(self) -> #packet_name {
		let #ident = Arc::new(#data_name {
		@@ -440,7 +492,8 @@ fn generate_packet_decl(
		#packet_name::new(#ident).unwrap()
		}
		}
		});
		}
		);

		Ok(code)
		}

tools/rootcanal/lmp/src/procedure/secure_simple_pairing.rs

+3 −3

Original line number	Diff line number	Diff line
		@@ -375,12 +375,12 @@ pub async fn initiate(ctx: &impl Context) -> Result<(), ()> {
		AuthenticationMethod::NumericComparaison => {
		send_commitment(ctx, true).await;

		let _user_confirmation = user_confirmation_request(ctx).await?;
		user_confirmation_request(ctx).await?;
		Ok(())
		}
		AuthenticationMethod::PasskeyEntry => {
		if initiator.io_capability == hci::IoCapability::KeyboardOnly {
		let _user_passkey = user_passkey_request(ctx).await?;
		user_passkey_request(ctx).await?;
		} else {
		ctx.send_hci_event(
		hci::UserPasskeyNotificationBuilder {
		@@ -397,7 +397,7 @@ pub async fn initiate(ctx: &impl Context) -> Result<(), ()> {
		}
		AuthenticationMethod::OutOfBand => {
		if initiator.oob_data_present != hci::OobDataPresent::NotPresent {
		let _remote_oob_data = remote_oob_data_request(ctx).await?;
		remote_oob_data_request(ctx).await?;
		}

		send_commitment(ctx, false).await;