forked from OSchip/llvm-project
292 lines
11 KiB
C++
292 lines
11 KiB
C++
///===-- Representation.h - ClangDoc Representation -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the internal representations of different declaration
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// types for the clang-doc tool.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_REPRESENTATION_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_REPRESENTATION_H
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#include "clang/AST/Type.h"
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#include "clang/Basic/Specifiers.h"
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#include "clang/Tooling/StandaloneExecution.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringExtras.h"
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#include <array>
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#include <string>
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namespace clang {
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namespace doc {
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// SHA1'd hash of a USR.
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using SymbolID = std::array<uint8_t, 20>;
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struct Info;
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struct FunctionInfo;
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struct EnumInfo;
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enum class InfoType {
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IT_default,
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IT_namespace,
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IT_record,
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IT_function,
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IT_enum
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};
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// A representation of a parsed comment.
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struct CommentInfo {
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CommentInfo() = default;
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CommentInfo(CommentInfo &Other) = delete;
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CommentInfo(CommentInfo &&Other) = default;
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SmallString<16>
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Kind; // Kind of comment (FullComment, ParagraphComment, TextComment,
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// InlineCommandComment, HTMLStartTagComment, HTMLEndTagComment,
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// BlockCommandComment, ParamCommandComment,
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// TParamCommandComment, VerbatimBlockComment,
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// VerbatimBlockLineComment, VerbatimLineComment).
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SmallString<64> Text; // Text of the comment.
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SmallString<16> Name; // Name of the comment (for Verbatim and HTML).
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SmallString<8> Direction; // Parameter direction (for (T)ParamCommand).
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SmallString<16> ParamName; // Parameter name (for (T)ParamCommand).
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SmallString<16> CloseName; // Closing tag name (for VerbatimBlock).
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bool SelfClosing = false; // Indicates if tag is self-closing (for HTML).
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bool Explicit = false; // Indicates if the direction of a param is explicit
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// (for (T)ParamCommand).
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llvm::SmallVector<SmallString<16>, 4>
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AttrKeys; // List of attribute keys (for HTML).
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llvm::SmallVector<SmallString<16>, 4>
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AttrValues; // List of attribute values for each key (for HTML).
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llvm::SmallVector<SmallString<16>, 4>
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Args; // List of arguments to commands (for InlineCommand).
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std::vector<std::unique_ptr<CommentInfo>>
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Children; // List of child comments for this CommentInfo.
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};
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struct Reference {
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Reference() = default;
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Reference(llvm::StringRef Name) : Name(Name) {}
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Reference(SymbolID USR, StringRef Name, InfoType IT)
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: USR(USR), Name(Name), RefType(IT) {}
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bool operator==(const Reference &Other) const {
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return std::tie(USR, Name, RefType) ==
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std::tie(Other.USR, Other.Name, Other.RefType);
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}
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SymbolID USR = SymbolID(); // Unique identifer for referenced decl
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SmallString<16> Name; // Name of type (possibly unresolved).
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InfoType RefType = InfoType::IT_default; // Indicates the type of this
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// Reference (namespace, record,
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// function, enum, default).
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};
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// A base struct for TypeInfos
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struct TypeInfo {
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TypeInfo() = default;
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TypeInfo(SymbolID Type, StringRef Field, InfoType IT)
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: Type(Type, Field, IT) {}
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TypeInfo(llvm::StringRef RefName) : Type(RefName) {}
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bool operator==(const TypeInfo &Other) const { return Type == Other.Type; }
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Reference Type; // Referenced type in this info.
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};
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// Info for field types.
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struct FieldTypeInfo : public TypeInfo {
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FieldTypeInfo() = default;
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FieldTypeInfo(SymbolID Type, StringRef Field, InfoType IT,
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llvm::StringRef Name)
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: TypeInfo(Type, Field, IT), Name(Name) {}
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FieldTypeInfo(llvm::StringRef RefName, llvm::StringRef Name)
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: TypeInfo(RefName), Name(Name) {}
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bool operator==(const FieldTypeInfo &Other) const {
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return std::tie(Type, Name) == std::tie(Other.Type, Other.Name);
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}
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SmallString<16> Name; // Name associated with this info.
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};
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// Info for member types.
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struct MemberTypeInfo : public FieldTypeInfo {
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MemberTypeInfo() = default;
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MemberTypeInfo(SymbolID Type, StringRef Field, InfoType IT,
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llvm::StringRef Name, AccessSpecifier Access)
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: FieldTypeInfo(Type, Field, IT, Name), Access(Access) {}
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MemberTypeInfo(llvm::StringRef RefName, llvm::StringRef Name,
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AccessSpecifier Access)
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: FieldTypeInfo(RefName, Name), Access(Access) {}
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bool operator==(const MemberTypeInfo &Other) const {
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return std::tie(Type, Name, Access) ==
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std::tie(Other.Type, Other.Name, Other.Access);
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}
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AccessSpecifier Access = AccessSpecifier::AS_none; // Access level associated
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// with this info (public,
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// protected, private,
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// none).
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};
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struct Location {
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Location() = default;
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Location(int LineNumber, SmallString<16> Filename)
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: LineNumber(LineNumber), Filename(std::move(Filename)) {}
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bool operator==(const Location &Other) const {
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return std::tie(LineNumber, Filename) ==
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std::tie(Other.LineNumber, Other.Filename);
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}
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int LineNumber; // Line number of this Location.
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SmallString<32> Filename; // File for this Location.
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};
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/// A base struct for Infos.
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struct Info {
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Info() = default;
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Info(InfoType IT) : IT(IT) {}
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Info(InfoType IT, SymbolID USR) : USR(USR), IT(IT) {}
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Info(InfoType IT, SymbolID USR, StringRef Name)
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: USR(USR), IT(IT), Name(Name) {}
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Info(const Info &Other) = delete;
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Info(Info &&Other) = default;
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virtual ~Info() = default;
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SymbolID USR =
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SymbolID(); // Unique identifier for the decl described by this Info.
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const InfoType IT = InfoType::IT_default; // InfoType of this particular Info.
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SmallString<16> Name; // Unqualified name of the decl.
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llvm::SmallVector<Reference, 4>
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Namespace; // List of parent namespaces for this decl.
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std::vector<CommentInfo> Description; // Comment description of this decl.
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void mergeBase(Info &&I);
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bool mergeable(const Info &Other);
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// Returns a reference to the parent scope (that is, the immediate parent
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// namespace or class in which this decl resides).
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llvm::Expected<Reference> getEnclosingScope();
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};
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// Info for namespaces.
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struct NamespaceInfo : public Info {
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NamespaceInfo() : Info(InfoType::IT_namespace) {}
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NamespaceInfo(SymbolID USR) : Info(InfoType::IT_namespace, USR) {}
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NamespaceInfo(SymbolID USR, StringRef Name)
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: Info(InfoType::IT_namespace, USR, Name) {}
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void merge(NamespaceInfo &&I);
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// Namespaces and Records are references because they will be properly
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// documented in their own info, while the entirety of Functions and Enums are
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// included here because they should not have separate documentation from
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// their scope.
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std::vector<Reference> ChildNamespaces;
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std::vector<Reference> ChildRecords;
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std::vector<FunctionInfo> ChildFunctions;
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std::vector<EnumInfo> ChildEnums;
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};
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// Info for symbols.
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struct SymbolInfo : public Info {
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SymbolInfo(InfoType IT) : Info(IT) {}
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SymbolInfo(InfoType IT, SymbolID USR) : Info(IT, USR) {}
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SymbolInfo(InfoType IT, SymbolID USR, StringRef Name) : Info(IT, USR, Name) {}
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void merge(SymbolInfo &&I);
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llvm::Optional<Location> DefLoc; // Location where this decl is defined.
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llvm::SmallVector<Location, 2> Loc; // Locations where this decl is declared.
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};
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// TODO: Expand to allow for documenting templating and default args.
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// Info for functions.
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struct FunctionInfo : public SymbolInfo {
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FunctionInfo() : SymbolInfo(InfoType::IT_function) {}
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FunctionInfo(SymbolID USR) : SymbolInfo(InfoType::IT_function, USR) {}
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void merge(FunctionInfo &&I);
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bool IsMethod = false; // Indicates whether this function is a class method.
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Reference Parent; // Reference to the parent class decl for this method.
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TypeInfo ReturnType; // Info about the return type of this function.
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llvm::SmallVector<FieldTypeInfo, 4> Params; // List of parameters.
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// Access level for this method (public, private, protected, none).
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AccessSpecifier Access = AccessSpecifier::AS_none;
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};
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// TODO: Expand to allow for documenting templating, inheritance access,
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// friend classes
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// Info for types.
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struct RecordInfo : public SymbolInfo {
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RecordInfo() : SymbolInfo(InfoType::IT_record) {}
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RecordInfo(SymbolID USR) : SymbolInfo(InfoType::IT_record, USR) {}
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RecordInfo(SymbolID USR, StringRef Name)
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: SymbolInfo(InfoType::IT_record, USR, Name) {}
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void merge(RecordInfo &&I);
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TagTypeKind TagType = TagTypeKind::TTK_Struct; // Type of this record
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// (struct, class, union,
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// interface).
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llvm::SmallVector<MemberTypeInfo, 4>
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Members; // List of info about record members.
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llvm::SmallVector<Reference, 4> Parents; // List of base/parent records
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// (does not include virtual
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// parents).
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llvm::SmallVector<Reference, 4>
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VirtualParents; // List of virtual base/parent records.
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// Records are references because they will be properly
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// documented in their own info, while the entirety of Functions and Enums are
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// included here because they should not have separate documentation from
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// their scope.
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std::vector<Reference> ChildRecords;
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std::vector<FunctionInfo> ChildFunctions;
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std::vector<EnumInfo> ChildEnums;
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};
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// TODO: Expand to allow for documenting templating.
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// Info for types.
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struct EnumInfo : public SymbolInfo {
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EnumInfo() : SymbolInfo(InfoType::IT_enum) {}
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EnumInfo(SymbolID USR) : SymbolInfo(InfoType::IT_enum, USR) {}
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void merge(EnumInfo &&I);
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bool Scoped =
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false; // Indicates whether this enum is scoped (e.g. enum class).
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llvm::SmallVector<SmallString<16>, 4> Members; // List of enum members.
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};
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// TODO: Add functionality to include separate markdown pages.
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// A standalone function to call to merge a vector of infos into one.
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// This assumes that all infos in the vector are of the same type, and will fail
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// if they are different.
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llvm::Expected<std::unique_ptr<Info>>
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mergeInfos(std::vector<std::unique_ptr<Info>> &Values);
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struct ClangDocContext {
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tooling::ExecutionContext *ECtx;
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bool PublicOnly;
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};
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} // namespace doc
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_REPRESENTATION_H
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