================ @@ -0,0 +1,110 @@ +//===--- ParseHLSLRootSignature.h -------------------------------*- 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 file defines the ParseHLSLRootSignature interface. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_PARSE_PARSEHLSLROOTSIGNATURE_H +#define LLVM_CLANG_PARSE_PARSEHLSLROOTSIGNATURE_H + +#include "clang/Basic/DiagnosticParse.h" +#include "clang/Lex/LexHLSLRootSignature.h" +#include "clang/Lex/Preprocessor.h" + +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringRef.h" + +#include "llvm/Frontend/HLSL/HLSLRootSignature.h" + +namespace clang { +namespace hlsl { + +class RootSignatureParser { +public: + RootSignatureParser(SmallVector<llvm::hlsl::rootsig::RootElement> &Elements, + RootSignatureLexer &Lexer, clang::Preprocessor &PP); + + /// Consumes tokens from the Lexer and constructs the in-memory + /// representations of the RootElements. Tokens are consumed until an + /// error is encountered or the end of the buffer. + /// + /// Returns true if a parsing error is encountered. + bool Parse(); + +private: + DiagnosticsEngine &Diags() { return PP.getDiagnostics(); } + + // All private Parse.* methods follow a similar pattern: + // - Each method will start with an assert to denote what the CurToken is + // expected to be and will parse from that token forward + // + // - Therefore, it is the callers responsibility to ensure that you are + // at the correct CurToken. This should be done with the pattern of: + // + // if (TryConsumeExpectedToken(TokenKind)) + // if (Parse.*()) + // return true; + // + // or, + // + // if (ConsumeExpectedToken(TokenKind, ...)) + // return true; + // if (Parse.*()) + // return true; + // + // - All methods return true if a parsing error is encountered. It is the ---------------- inbelic wrote:
Is it clear here that methods is the `Parse.*` methods? https://github.com/llvm/llvm-project/pull/133302 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
