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IPCCompiler: Remove invalid state from IPC message classes

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At some point, we stopped ever constructing invalid messages. This makes
that clearer, and will allow us to stop requiring that IPC arguments be
default-constructible.
This commit is contained in:
Sam Atkins 2025-02-17 15:12:28 +00:00 committed by Tim Flynn
parent e53df7e6c9
commit b3b7e76c10
2 changed files with 1 additions and 10 deletions
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1
Libraries/LibIPC/Message.h
View File

@ -69,7 +69,6 @@ public:
virtual u32 endpoint_magic() const = 0;
virtual int message_id() const = 0;
virtual char const* message_name() const = 0;
virtual bool valid() const = 0;
virtual ErrorOr<MessageBuffer> encode() const = 0;
protected:

10
Meta/Lagom/Tools/CodeGenerators/IPCCompiler/main.cpp
View File

@ -345,7 +345,6 @@ public:)~~~");
typedef class @message.response_type@ ResponseType;)~~~");
message_generator.appendln(R"~~~(
@message.pascal_name@(decltype(nullptr)) : m_ipc_message_valid(false) { }
@message.pascal_name@(@message.pascal_name@ const&) = default;
@message.pascal_name@(@message.pascal_name@&&) = default;
@message.pascal_name@& operator=(@message.pascal_name@ const&) = default;
@ -412,12 +411,8 @@ public:)~~~");
})~~~");
message_generator.appendln(R"~~~(
virtual bool valid() const override { return m_ipc_message_valid; }
virtual ErrorOr<IPC::MessageBuffer> encode() const override
{
VERIFY(valid());
IPC::MessageBuffer buffer;
IPC::Encoder stream(buffer);
TRY(stream.encode(endpoint_magic()));
@ -445,8 +440,7 @@ public:)~~~");
}
message_generator.appendln(R"~~~(
private:
bool m_ipc_message_valid { true };)~~~");
private:)~~~");
for (auto const& parameter : parameters) {
auto parameter_generator = message_generator.fork();
@ -715,8 +709,6 @@ public:
message_generator.appendln(R"~~~(
[[maybe_unused]] auto& request = static_cast<const Messages::@endpoint.name@::@message.pascal_name@&>(message);
auto response = @handler_name@(@arguments@);
if (!response.valid())
return Error::from_string_literal("Failed to handle @endpoint.name@::@message.pascal_name@ message");
return make<IPC::MessageBuffer>(TRY(response.encode()));)~~~");
}
} else {