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//===-- RPCServerHeaderEmitter.cpp ----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "RPCServerHeaderEmitter.h"
#include "RPCCommon.h"
#include "clang/AST/AST.h"
#include "clang/AST/Mangle.h"
#include "clang/Frontend/CompilerInstance.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
using namespace lldb_rpc_gen;
void RPCServerHeaderEmitter::EmitMethod(const Method &method) {
// We'll be using the mangled name in order to disambiguate
// overloaded methods.
const std::string &MangledName = method.MangledName;
EmitLine("class " + MangledName +
" : public rpc_common::RPCFunctionInstance {");
EmitLine("public:");
IndentLevel++;
EmitConstructor(MangledName);
EmitDestructor(MangledName);
EmitHandleRPCCall();
IndentLevel--;
EmitLine("};");
}
void RPCServerHeaderEmitter::EmitHandleRPCCall() {
EmitLine("bool HandleRPCCall(rpc_common::Connection &connection, "
"rpc_common::RPCStream &send, rpc_common::RPCStream &response) "
"override;");
}
void RPCServerHeaderEmitter::EmitConstructor(const std::string &MangledName) {
EmitLine(MangledName + "() : RPCFunctionInstance(\"" + MangledName +
"\") {}");
}
void RPCServerHeaderEmitter::EmitDestructor(const std::string &MangledName) {
EmitLine("~" + MangledName + "() override {}");
}
std::string RPCServerHeaderEmitter::GetHeaderGuard() {
const std::string UpperFilenameNoExt =
llvm::sys::path::stem(
llvm::sys::path::filename(OutputFile->getFilename()))
.upper();
return "GENERATED_LLDB_RPC_SERVER_" + UpperFilenameNoExt + "_H";
}
void RPCServerHeaderEmitter::Begin() {
const std::string HeaderGuard = GetHeaderGuard();
EmitLine("#ifndef " + HeaderGuard);
EmitLine("#define " + HeaderGuard);
EmitLine("");
EmitLine("#include <lldb-rpc/common/RPCFunction.h>");
EmitLine("");
EmitLine("namespace rpc_server {");
}
void RPCServerHeaderEmitter::End() {
EmitLine("} // namespace rpc_server");
EmitLine("#endif // " + GetHeaderGuard());
}
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