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Commit 346d55c5 authored by Zach Johnson's avatar Zach Johnson Committed by Automerger Merge Worker
Browse files

Merge changes I3a54a514,Iada70c9f,I1fb728ce,I181f0d77,I1df3c852, ... am: 56f45b7e 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1543582

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5df27e4e393b1ad1a86a3ca5ece157af4b5336c7
parents 5bb18083 56f45b7e

system/gd/packet/parser/gen_rust.cc

+1 −1
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ 
void generate_rust_packet_preamble(std::ostream& s) {

  s <<

      R"(

use bytes::{Bytes, BytesMut};

use bytes::{Bytes, BytesMut, BufMut};

use num_derive::{FromPrimitive, ToPrimitive};

use num_traits::{FromPrimitive, ToPrimitive};

use std::convert::TryInto;

system/gd/packet/parser/packet_def.cc

+71 −59
Original line number Diff line number Diff line
@@ -741,7 +741,8 @@ void PacketDef::GenBuilderConstructor(std::ostream& s) const { 
}



void PacketDef::GenRustChildEnums(std::ostream& s) const {

  if (!children_.empty()) {

  if (HasChildEnums()) {

    bool payload = fields_.HasPayload();

    s << "#[derive(Debug)] ";

    s << "enum " << name_ << "DataChild {";

    for (const auto& child : children_) {
@@ -750,6 +751,9 @@ void PacketDef::GenRustChildEnums(std::ostream& s) const { 
      }

      s << child->name_ << "(Arc<" << child->name_ << "Data>),";

    }

    if (payload) {

      s << "Payload(Bytes),";

    }

    s << "None,";

    s << "}\n";

    s << "#[derive(Debug)] ";
@@ -760,6 +764,9 @@ void PacketDef::GenRustChildEnums(std::ostream& s) const { 
      }

      s << child->name_ << "(" << child->name_ << "Packet),";

    }

    if (payload) {

      s << "Payload(Bytes),";

    }

    s << "None,";

    s << "}\n";

  }
@@ -771,7 +778,7 @@ void PacketDef::GenRustStructDeclarations(std::ostream& s) const { 


  // Generate struct fields

  GenRustStructFieldNameAndType(s);

  if (!children_.empty()) {

  if (HasChildEnums()) {

    s << "child: " << name_ << "DataChild,";

  }

  s << "}\n";
@@ -799,6 +806,9 @@ void PacketDef::GenRustStructDeclarations(std::ostream& s) const { 
    param->GenRustNameAndType(s);

    s << ", ";

  }

  if (fields_.HasPayload()) {

    s << "pub payload: Option<Bytes>,";

  }

  s << "}\n";

}
@@ -855,21 +865,6 @@ void PacketDef::GenRustStructSizeField(std::ostream& s) const { 


void PacketDef::GenRustStructImpls(std::ostream& s) const {

  s << "impl " << name_ << "Data {";

  s << "fn new(";

  bool fields_exist = GenRustStructFieldNameAndType(s);

  if (!children_.empty()) {

    s << "child: " << name_ << "DataChild,";

  }

  s << ") -> Self { ";



  s << "Self { ";

  GenRustStructFieldNames(s);

  if (!children_.empty()) {

    s << "child";

  }



  s << "}";

  s << "}";



  // parse function

  if (parent_constraints_.empty() && !children_.empty() && parent_ != nullptr) {
@@ -913,7 +908,6 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 


  if (!children_.empty()) {

    s << "let child = match " << constraint_name << " {";

  }



    for (const auto& desc : constrained_descendants) {

      if (desc.first->name_.rfind("LeGetVendorCapabilitiesComplete", 0) == 0) {
@@ -951,8 +945,13 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 
      s << "_ => panic!(\"unexpected value " << "\"),";

    }



  if (!children_.empty()) {

    s << "};\n";

  } else if (fields_.HasPayload()) {

    s << "let child = if payload.len() > 0 {";

    s << name_ << "DataChild::Payload(Bytes::from(payload))";

    s << "} else {";

    s << name_ << "DataChild::None";

    s << "};";

  }



  s << "Ok(Self {";
@@ -966,7 +965,7 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 
      FixedScalarField::kFieldType,

  });



  if (fields_exist) {

  if (fields.size() > 0) {

    for (int i = 0; i < fields.size(); i++) {

      auto field_type = fields[i]->GetFieldType();

      s << fields[i]->GetName();
@@ -974,7 +973,7 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 
    }

  }



  if (!children_.empty()) {

  if (HasChildEnums()) {

    s << "child,";

  }

  s << "})\n";
@@ -982,7 +981,7 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 


  // write_to function

  s << "fn write_to(&self, buffer: &mut BytesMut) {";

  if (fields_exist) {

  if (fields.size() > 0) {

    s << " buffer.resize(buffer.len() + self.get_size(), 0);";

  }
@@ -1007,7 +1006,7 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 
    field->GenRustWriter(s, start_field_offset, end_field_offset);

  }



  if (!children_.empty()) {

  if (HasChildEnums()) {

    s << "match &self.child {";

    for (const auto& child : children_) {

      if (child->name_.rfind("LeGetVendorCapabilitiesComplete", 0) == 0) {
@@ -1015,13 +1014,16 @@ void PacketDef::GenRustStructImpls(std::ostream& s) const { 
      }

      s << name_ << "DataChild::" << child->name_ << "(value) => value.write_to(buffer),";

    }

    if (fields_.HasPayload()) {

      s << name_ << "DataChild::Payload(p) => buffer.put(&p[..]),";

    }

    s << name_ << "DataChild::None => {}";

    s << "}";

  }



  s << "}\n";



  if (fields_exist) {

  if (fields.size() > 0) {

    s << "pub fn get_size(&self) -> usize {";

    GenRustStructSizeField(s);

    s << "}";
@@ -1061,7 +1063,7 @@ void PacketDef::GenRustAccessStructImpls(std::ostream& s) const { 
    s << "}";

  }



  if (!children_.empty()) {

  if (HasChildEnums()) {

    s << " pub fn specialize(&self) -> " << name_ << "Child {";

    s << " match &self." << util::CamelCaseToUnderScore(name_) << ".child {";

    for (const auto& child : children_) {
@@ -1071,6 +1073,9 @@ void PacketDef::GenRustAccessStructImpls(std::ostream& s) const { 
      s << name_ << "DataChild::" << child->name_ << "(_) => " << name_ << "Child::" << child->name_ << "("

        << child->name_ << "Packet::new(self." << root_accessor << ".clone())),";

    }

    if (fields_.HasPayload()) {

      s << name_ << "DataChild::Payload(p) => " << name_ << "Child::Payload(p.clone()),";

    }

    s << name_ << "DataChild::None => " << name_ << "Child::None,";

    s << "}}";

  }
@@ -1190,9 +1195,16 @@ void PacketDef::GenRustBuilderStructImpls(std::ostream& s) const { 
      }

      s << ", ";

    }

    if (!ancestor->children_.empty()) {

    if (ancestor->HasChildEnums()) {

      if (prev == nullptr) {

        if (ancestor->fields_.HasPayload()) {

          s << "child: match self.payload { ";

          s << "None => " << name_ << "DataChild::None,";

          s << "Some(bytes) => " << name_ << "DataChild::Payload(bytes),";

          s << "},";

        } else {

          s << "child: " << name_ << "DataChild::None,";

        }

      } else {

        s << "child: " << ancestor->name_ << "DataChild::" << prev->name_ << "("

          << util::CamelCaseToUnderScore(prev->name_) << "),";

system/gd/packet/parser/parent_def.cc

+4 −0
Original line number Diff line number Diff line
@@ -565,3 +565,7 @@ std::vector<const ParentDef*> ParentDef::FindPathToDescendant(std::string descen 
  }

  return res;

}



bool ParentDef::HasChildEnums() const {

  return !children_.empty() || fields_.HasPayload();

}

system/gd/packet/parser/parent_def.h

+2 −0
Original line number Diff line number Diff line
@@ -85,4 +85,6 @@ class ParentDef : public TypeDef { 


  std::map<std::string, std::variant<int64_t, std::string>> parent_constraints_;

  bool is_little_endian_;



  bool HasChildEnums() const;

};

system/gd/rust/acl/Android.bp

0 → 100644
+27 −0
Original line number Diff line number Diff line 
rust_library {

    name: "libbt_acl",

    defaults: ["gd_rust_defaults"],

    crate_name: "bt_acl",

    srcs: ["src/lib.rs"],

    edition: "2018",

    rustlibs: [

        "libbt_hci",

        "libbt_hal",

        "libbt_facade_proto",

        "libbt_packets",

        "libbytes",

        "libfutures",

        "libgrpcio",

        "libnum_traits",

        "libthiserror",

        "libtokio",

        "libprotobuf",

        "libgddi",

        "liblog_rust",

        "libbt_common",

        "libbt_hci_custom_types",

    ],

    proc_macros: [

        "libnum_derive",

    ],

}