================ @@ -0,0 +1,184 @@ +//=- ClangBuiltinsEmitter.cpp - Generate Clang builtin templates-*- C++ -*-===// +// +// 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 +// +//===----------------------------------------------------------------------===// +// +// This tablegen backend emits Clang's builtin templates. +// +//===----------------------------------------------------------------------===// + +#include "TableGenBackends.h" +#include "llvm/TableGen/Error.h" +#include "llvm/TableGen/TableGenBackend.h" + +using namespace llvm; + +std::string TemplateNameList; +std::string CreateBuiltinTemplateParameterList; + +namespace { +struct ParserState { + size_t UniqueCounter = 0; + size_t CurrentDepth = 0; + bool EmittedSizeTInfo = false; +}; + +std::pair<std::string, std::string> +ParseTemplateParameterList(ParserState &PS, StringRef &TemplateParmList) { + auto Alphabetic = [](char c) { return std::isalpha(c); }; + auto BoolToStr = [](bool b) { return b ? "true" : "false"; }; + + std::string Generator; + std::vector<std::string> Params; + std::unordered_map<std::string, std::string> TemplateNameToParmName; + TemplateParmList = TemplateParmList.ltrim(); + if (!TemplateParmList.consume_front("<")) + PrintFatalError("Expected '<' to start the parameter list"); + + size_t Position = 0; + while (true) { + std::string ParmName = "Parm" + std::to_string(PS.UniqueCounter++); ---------------- erichkeane wrote:
It would be lovely if we could use something like a string stream rather than string append through here to be more consistent with the rest of the clang tablegen. https://github.com/llvm/llvm-project/pull/123736 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits