| 1 | //===-- RPCServerHeaderEmitter.cpp ----------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "RPCServerHeaderEmitter.h" |
| 10 | #include "RPCCommon.h" |
| 11 | |
| 12 | #include "clang/AST/AST.h" |
| 13 | #include "clang/AST/Mangle.h" |
| 14 | #include "clang/Frontend/CompilerInstance.h" |
| 15 | |
| 16 | #include "llvm/ADT/StringRef.h" |
| 17 | #include "llvm/Support/ToolOutputFile.h" |
| 18 | #include "llvm/Support/raw_ostream.h" |
| 19 | |
| 20 | using namespace clang; |
| 21 | using namespace lldb_rpc_gen; |
| 22 | |
| 23 | void RPCServerHeaderEmitter::EmitMethod(const Method &method) { |
| 24 | // We'll be using the mangled name in order to disambiguate |
| 25 | // overloaded methods. |
| 26 | const std::string &MangledName = method.MangledName; |
| 27 | |
| 28 | EmitLine("class "+ MangledName + |
| 29 | " : public rpc_common::RPCFunctionInstance {"); |
| 30 | EmitLine("public:"); |
| 31 | IndentLevel++; |
| 32 | EmitConstructor(MangledName); |
| 33 | EmitDestructor(MangledName); |
| 34 | EmitHandleRPCCall(); |
| 35 | IndentLevel--; |
| 36 | EmitLine("};"); |
| 37 | } |
| 38 | |
| 39 | void RPCServerHeaderEmitter::EmitHandleRPCCall() { |
| 40 | EmitLine("bool HandleRPCCall(rpc_common::Connection &connection, " |
| 41 | "rpc_common::RPCStream &send, rpc_common::RPCStream &response) " |
| 42 | "override;"); |
| 43 | } |
| 44 | |
| 45 | void RPCServerHeaderEmitter::EmitConstructor(const std::string &MangledName) { |
| 46 | EmitLine(MangledName + "() : RPCFunctionInstance(\""+ MangledName + |
| 47 | "\") {}"); |
| 48 | } |
| 49 | |
| 50 | void RPCServerHeaderEmitter::EmitDestructor(const std::string &MangledName) { |
| 51 | EmitLine("~"+ MangledName + "() override {}"); |
| 52 | } |
| 53 | |
| 54 | std::string RPCServerHeaderEmitter::GetHeaderGuard() { |
| 55 | const std::string UpperFilenameNoExt = |
| 56 | llvm::sys::path::stem( |
| 57 | path: llvm::sys::path::filename(path: OutputFile->getFilename())) |
| 58 | .upper(); |
| 59 | return "GENERATED_LLDB_RPC_SERVER_"+ UpperFilenameNoExt + "_H"; |
| 60 | } |
| 61 | |
| 62 | void RPCServerHeaderEmitter::Begin() { |
| 63 | const std::string HeaderGuard = GetHeaderGuard(); |
| 64 | EmitLine("#ifndef "+ HeaderGuard); |
| 65 | EmitLine("#define "+ HeaderGuard); |
| 66 | EmitLine(""); |
| 67 | EmitLine("#include <lldb-rpc/common/RPCFunction.h>"); |
| 68 | EmitLine(""); |
| 69 | EmitLine("namespace rpc_server {"); |
| 70 | } |
| 71 | |
| 72 | void RPCServerHeaderEmitter::End() { |
| 73 | EmitLine("} // namespace rpc_server"); |
| 74 | EmitLine("#endif // "+ GetHeaderGuard()); |
| 75 | } |
| 76 |