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8e2bbc3bed
This patch allows Error and Expected types to be passed to and returned from RPC functions. Serializers and deserializers for custom error types (types deriving from the ErrorInfo class template) can be registered with the SerializationTraits for a given channel type (see registerStringError in RPCSerialization.h for an example), allowing a given custom type to be sent/received. Unregistered types will be serialized/deserialized as StringErrors using the custom type's log message as the error string. llvm-svn: 300167
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
//===---------------- OrcError.cpp - Error codes for ORC ------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Error codes for ORC.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/OrcError.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/ManagedStatic.h"
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using namespace llvm;
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using namespace llvm::orc;
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namespace {
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// FIXME: This class is only here to support the transition to llvm::Error. It
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// will be removed once this transition is complete. Clients should prefer to
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// deal with the Error value directly, rather than converting to error_code.
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class OrcErrorCategory : public std::error_category {
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public:
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const char *name() const noexcept override { return "orc"; }
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std::string message(int condition) const override {
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switch (static_cast<OrcErrorCode>(condition)) {
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case OrcErrorCode::RemoteAllocatorDoesNotExist:
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return "Remote allocator does not exist";
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case OrcErrorCode::RemoteAllocatorIdAlreadyInUse:
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return "Remote allocator Id already in use";
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case OrcErrorCode::RemoteMProtectAddrUnrecognized:
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return "Remote mprotect call references unallocated memory";
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case OrcErrorCode::RemoteIndirectStubsOwnerDoesNotExist:
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return "Remote indirect stubs owner does not exist";
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case OrcErrorCode::RemoteIndirectStubsOwnerIdAlreadyInUse:
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return "Remote indirect stubs owner Id already in use";
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case OrcErrorCode::RPCConnectionClosed:
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return "RPC connection closed";
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case OrcErrorCode::RPCCouldNotNegotiateFunction:
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return "Could not negotiate RPC function";
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case OrcErrorCode::RPCResponseAbandoned:
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return "RPC response abandoned";
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case OrcErrorCode::UnexpectedRPCCall:
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return "Unexpected RPC call";
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case OrcErrorCode::UnexpectedRPCResponse:
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return "Unexpected RPC response";
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case OrcErrorCode::UnknownErrorCodeFromRemote:
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return "Unknown error returned from remote RPC function "
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"(Use StringError to get error message)";
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}
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llvm_unreachable("Unhandled error code");
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}
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};
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static ManagedStatic<OrcErrorCategory> OrcErrCat;
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}
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namespace llvm {
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namespace orc {
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std::error_code orcError(OrcErrorCode ErrCode) {
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typedef std::underlying_type<OrcErrorCode>::type UT;
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return std::error_code(static_cast<UT>(ErrCode), *OrcErrCat);
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}
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}
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}
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