AppleObjCTypeEncodingParser.h

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//===-- AppleObjCTypeEncodingParser.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
//
//===----------------------------------------------------------------------===//
 
#ifndef LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCTYPEENCODINGPARSER_H
#define LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCTYPEENCODINGPARSER_H
 
#include "Plugins/Language/ObjC/ObjCConstants.h"
#include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h"
#include "lldb/lldb-private.h"
 
#include "clang/AST/ASTContext.h"
 
namespace lldb_private {
class AppleObjCTypeEncodingParser : public ObjCLanguageRuntime::EncodingToType {
public:
  AppleObjCTypeEncodingParser(ObjCLanguageRuntime &runtime);
  ~AppleObjCTypeEncodingParser() override = default;
 
  CompilerType RealizeType(TypeSystemClang &ast_ctx, const char *name,
                           bool for_expression) override;
 
private:
  struct StructElement {
    std::string name;
    clang::QualType type;
    uint32_t bitfield = 0;
 
    StructElement();
    ~StructElement() = default;
  };
 
  clang::QualType BuildType(TypeSystemClang &clang_ast_ctx,
                            llvm::StringRef &type, bool for_expression,
                            uint32_t *bitfield_bit_size = nullptr);
 
  clang::QualType BuildStruct(TypeSystemClang &ast_ctx, llvm::StringRef &type,
                              bool for_expression);
 
  clang::QualType BuildAggregate(TypeSystemClang &clang_ast_ctx,
                                 llvm::StringRef &type, bool for_expression,
                                 char opener, char closer, uint32_t kind);
 
  clang::QualType BuildUnion(TypeSystemClang &ast_ctx, llvm::StringRef &type,
                             bool for_expression);
 
  clang::QualType BuildArray(TypeSystemClang &ast_ctx, llvm::StringRef &type,
                             bool for_expression);
 
  std::string ReadStructName(llvm::StringRef &type);
 
  StructElement ReadStructElement(TypeSystemClang &ast_ctx,
                                  llvm::StringRef &type, bool for_expression);
 
  clang::QualType BuildObjCObjectPointerType(TypeSystemClang &clang_ast_ctx,
                                             llvm::StringRef &type,
                                             bool for_expression);
 
  uint32_t ReadNumber(llvm::StringRef &type);
 
  std::optional<std::string> ReadQuotedString(llvm::StringRef &type);
 
  ObjCLanguageRuntime &m_runtime;
};
 
} // namespace lldb_private
 
#endif // LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCTYPEENCODINGPARSER_H