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Kenneth Benzie (Benie) cea33304c0 [Offload] Add Offload API Sphinx documentation (#147323)
* Add spec generation to offload-tblgen tool
* This patch adds generation of Sphinx compatible reStructuedText
utilizing the C domain to document the Offload API directly from the
spec definition `.td` files.
* Add Sphinx HTML documentation target
* Introduces the `docs-offload-html` target when CMake is configured
with `LLVM_ENABLE_SPHINX=ON` and `SPHINX_OUTPUT_HTML=ON`. Utilized
`offload-tblgen -gen-spen` to generate Offload API specification docs.
2025-07-10 11:50:51 +01:00

73 lines
2.0 KiB
C++

//===- offload-tblgen/GenCommon.cpp - Common defs for Offload generators --===//
//
// 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
//
//===----------------------------------------------------------------------===//
#pragma once
#include "RecordTypes.hpp"
#include "llvm/Support/FormatVariadic.h"
// Having inline bits of tabbed code is hard to read, provide some definitions
// so we can keep things tidier
#define TAB_1 " "
#define TAB_2 " "
#define TAB_3 " "
#define TAB_4 " "
#define TAB_5 " "
constexpr auto GenericHeader =
R"(//===- Auto-generated file, part of the LLVM/Offload project --------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
)";
constexpr auto FileHeader = R"(
// Auto-generated file, do not manually edit.
#pragma once
#include <stddef.h>
#include <stdint.h>
#if defined(__cplusplus)
extern "C" {
#endif
)";
constexpr auto FileFooter = R"(
#if defined(__cplusplus)
} // extern "C"
#endif
)";
constexpr auto CommentsHeader = R"(
///////////////////////////////////////////////////////////////////////////////
)";
constexpr auto CommentsBreak = "///\n";
constexpr auto PrefixLower = "ol";
constexpr auto PrefixUpper = "OL";
inline std::string
MakeParamComment(const llvm::offload::tblgen::ParamRec &Param) {
return llvm::formatv("// {0}{1}{2} {3}", (Param.isIn() ? "[in]" : ""),
(Param.isOut() ? "[out]" : ""),
(Param.isOpt() ? "[optional]" : ""), Param.getDesc());
}
inline std::string
getHandleImplName(const llvm::offload::tblgen::HandleRec &H) {
return (H.getName().substr(0, H.getName().size() - 9) + "_impl_t").str();
}