1099 lines
37 KiB
C++
1099 lines
37 KiB
C++
//===--- CommentSema.cpp - Doxygen comment semantic analysis --------------===//
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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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#include "clang/AST/CommentSema.h"
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#include "clang/AST/Attr.h"
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#include "clang/AST/CommentCommandTraits.h"
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#include "clang/AST/CommentDiagnostic.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Lex/Preprocessor.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringSwitch.h"
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namespace clang {
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namespace comments {
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namespace {
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#include "clang/AST/CommentHTMLTagsProperties.inc"
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} // unnamed namespace
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Sema::Sema(llvm::BumpPtrAllocator &Allocator, const SourceManager &SourceMgr,
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DiagnosticsEngine &Diags, CommandTraits &Traits,
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const Preprocessor *PP) :
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Allocator(Allocator), SourceMgr(SourceMgr), Diags(Diags), Traits(Traits),
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PP(PP), ThisDeclInfo(nullptr), BriefCommand(nullptr),
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HeaderfileCommand(nullptr) {
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}
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void Sema::setDecl(const Decl *D) {
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if (!D)
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return;
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ThisDeclInfo = new (Allocator) DeclInfo;
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ThisDeclInfo->CommentDecl = D;
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ThisDeclInfo->IsFilled = false;
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}
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ParagraphComment *Sema::actOnParagraphComment(
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ArrayRef<InlineContentComment *> Content) {
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return new (Allocator) ParagraphComment(Content);
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}
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BlockCommandComment *Sema::actOnBlockCommandStart(
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SourceLocation LocBegin,
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SourceLocation LocEnd,
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unsigned CommandID,
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CommandMarkerKind CommandMarker) {
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BlockCommandComment *BC = new (Allocator) BlockCommandComment(LocBegin, LocEnd,
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CommandID,
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CommandMarker);
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checkContainerDecl(BC);
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return BC;
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}
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void Sema::actOnBlockCommandArgs(BlockCommandComment *Command,
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ArrayRef<BlockCommandComment::Argument> Args) {
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Command->setArgs(Args);
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}
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void Sema::actOnBlockCommandFinish(BlockCommandComment *Command,
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ParagraphComment *Paragraph) {
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Command->setParagraph(Paragraph);
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checkBlockCommandEmptyParagraph(Command);
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checkBlockCommandDuplicate(Command);
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if (ThisDeclInfo) {
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// These checks only make sense if the comment is attached to a
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// declaration.
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checkReturnsCommand(Command);
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checkDeprecatedCommand(Command);
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}
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}
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ParamCommandComment *Sema::actOnParamCommandStart(
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SourceLocation LocBegin,
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SourceLocation LocEnd,
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unsigned CommandID,
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CommandMarkerKind CommandMarker) {
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ParamCommandComment *Command =
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new (Allocator) ParamCommandComment(LocBegin, LocEnd, CommandID,
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CommandMarker);
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if (!isFunctionDecl())
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Diag(Command->getLocation(),
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diag::warn_doc_param_not_attached_to_a_function_decl)
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<< CommandMarker
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<< Command->getCommandNameRange(Traits);
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return Command;
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}
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void Sema::checkFunctionDeclVerbatimLine(const BlockCommandComment *Comment) {
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const CommandInfo *Info = Traits.getCommandInfo(Comment->getCommandID());
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if (!Info->IsFunctionDeclarationCommand)
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return;
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unsigned DiagSelect;
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switch (Comment->getCommandID()) {
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case CommandTraits::KCI_function:
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DiagSelect = (!isAnyFunctionDecl() && !isFunctionTemplateDecl())? 1 : 0;
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break;
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case CommandTraits::KCI_functiongroup:
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DiagSelect = (!isAnyFunctionDecl() && !isFunctionTemplateDecl())? 2 : 0;
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break;
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case CommandTraits::KCI_method:
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DiagSelect = !isObjCMethodDecl() ? 3 : 0;
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break;
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case CommandTraits::KCI_methodgroup:
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DiagSelect = !isObjCMethodDecl() ? 4 : 0;
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break;
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case CommandTraits::KCI_callback:
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DiagSelect = !isFunctionPointerVarDecl() ? 5 : 0;
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break;
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default:
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DiagSelect = 0;
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break;
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}
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if (DiagSelect)
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Diag(Comment->getLocation(), diag::warn_doc_function_method_decl_mismatch)
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<< Comment->getCommandMarker()
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<< (DiagSelect-1) << (DiagSelect-1)
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<< Comment->getSourceRange();
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}
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void Sema::checkContainerDeclVerbatimLine(const BlockCommandComment *Comment) {
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const CommandInfo *Info = Traits.getCommandInfo(Comment->getCommandID());
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if (!Info->IsRecordLikeDeclarationCommand)
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return;
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unsigned DiagSelect;
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switch (Comment->getCommandID()) {
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case CommandTraits::KCI_class:
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DiagSelect = (!isClassOrStructDecl() && !isClassTemplateDecl()) ? 1 : 0;
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// Allow @class command on @interface declarations.
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// FIXME. Currently, \class and @class are indistinguishable. So,
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// \class is also allowed on an @interface declaration
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if (DiagSelect && Comment->getCommandMarker() && isObjCInterfaceDecl())
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DiagSelect = 0;
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break;
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case CommandTraits::KCI_interface:
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DiagSelect = !isObjCInterfaceDecl() ? 2 : 0;
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break;
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case CommandTraits::KCI_protocol:
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DiagSelect = !isObjCProtocolDecl() ? 3 : 0;
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break;
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case CommandTraits::KCI_struct:
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DiagSelect = !isClassOrStructDecl() ? 4 : 0;
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break;
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case CommandTraits::KCI_union:
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DiagSelect = !isUnionDecl() ? 5 : 0;
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break;
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default:
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DiagSelect = 0;
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break;
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}
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if (DiagSelect)
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Diag(Comment->getLocation(), diag::warn_doc_api_container_decl_mismatch)
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<< Comment->getCommandMarker()
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<< (DiagSelect-1) << (DiagSelect-1)
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<< Comment->getSourceRange();
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}
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void Sema::checkContainerDecl(const BlockCommandComment *Comment) {
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const CommandInfo *Info = Traits.getCommandInfo(Comment->getCommandID());
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if (!Info->IsRecordLikeDetailCommand || isRecordLikeDecl())
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return;
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unsigned DiagSelect;
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switch (Comment->getCommandID()) {
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case CommandTraits::KCI_classdesign:
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DiagSelect = 1;
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break;
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case CommandTraits::KCI_coclass:
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DiagSelect = 2;
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break;
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case CommandTraits::KCI_dependency:
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DiagSelect = 3;
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break;
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case CommandTraits::KCI_helper:
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DiagSelect = 4;
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break;
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case CommandTraits::KCI_helperclass:
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DiagSelect = 5;
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break;
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case CommandTraits::KCI_helps:
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DiagSelect = 6;
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break;
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case CommandTraits::KCI_instancesize:
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DiagSelect = 7;
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break;
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case CommandTraits::KCI_ownership:
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DiagSelect = 8;
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break;
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case CommandTraits::KCI_performance:
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DiagSelect = 9;
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break;
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case CommandTraits::KCI_security:
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DiagSelect = 10;
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break;
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case CommandTraits::KCI_superclass:
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DiagSelect = 11;
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break;
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default:
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DiagSelect = 0;
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break;
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}
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if (DiagSelect)
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Diag(Comment->getLocation(), diag::warn_doc_container_decl_mismatch)
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<< Comment->getCommandMarker()
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<< (DiagSelect-1)
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<< Comment->getSourceRange();
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}
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/// \brief Turn a string into the corresponding PassDirection or -1 if it's not
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/// valid.
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static int getParamPassDirection(StringRef Arg) {
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return llvm::StringSwitch<int>(Arg)
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.Case("[in]", ParamCommandComment::In)
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.Case("[out]", ParamCommandComment::Out)
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.Cases("[in,out]", "[out,in]", ParamCommandComment::InOut)
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.Default(-1);
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}
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void Sema::actOnParamCommandDirectionArg(ParamCommandComment *Command,
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SourceLocation ArgLocBegin,
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SourceLocation ArgLocEnd,
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StringRef Arg) {
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std::string ArgLower = Arg.lower();
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int Direction = getParamPassDirection(ArgLower);
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if (Direction == -1) {
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// Try again with whitespace removed.
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ArgLower.erase(
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std::remove_if(ArgLower.begin(), ArgLower.end(), clang::isWhitespace),
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ArgLower.end());
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Direction = getParamPassDirection(ArgLower);
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SourceRange ArgRange(ArgLocBegin, ArgLocEnd);
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if (Direction != -1) {
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const char *FixedName = ParamCommandComment::getDirectionAsString(
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(ParamCommandComment::PassDirection)Direction);
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Diag(ArgLocBegin, diag::warn_doc_param_spaces_in_direction)
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<< ArgRange << FixItHint::CreateReplacement(ArgRange, FixedName);
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} else {
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Diag(ArgLocBegin, diag::warn_doc_param_invalid_direction) << ArgRange;
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Direction = ParamCommandComment::In; // Sane fall back.
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}
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}
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Command->setDirection((ParamCommandComment::PassDirection)Direction,
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/*Explicit=*/true);
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}
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void Sema::actOnParamCommandParamNameArg(ParamCommandComment *Command,
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SourceLocation ArgLocBegin,
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SourceLocation ArgLocEnd,
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StringRef Arg) {
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// Parser will not feed us more arguments than needed.
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assert(Command->getNumArgs() == 0);
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if (!Command->isDirectionExplicit()) {
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// User didn't provide a direction argument.
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Command->setDirection(ParamCommandComment::In, /* Explicit = */ false);
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}
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typedef BlockCommandComment::Argument Argument;
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Argument *A = new (Allocator) Argument(SourceRange(ArgLocBegin,
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ArgLocEnd),
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Arg);
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Command->setArgs(llvm::makeArrayRef(A, 1));
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}
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void Sema::actOnParamCommandFinish(ParamCommandComment *Command,
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ParagraphComment *Paragraph) {
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Command->setParagraph(Paragraph);
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checkBlockCommandEmptyParagraph(Command);
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}
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TParamCommandComment *Sema::actOnTParamCommandStart(
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SourceLocation LocBegin,
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SourceLocation LocEnd,
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unsigned CommandID,
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CommandMarkerKind CommandMarker) {
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TParamCommandComment *Command =
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new (Allocator) TParamCommandComment(LocBegin, LocEnd, CommandID,
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CommandMarker);
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if (!isTemplateOrSpecialization())
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Diag(Command->getLocation(),
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diag::warn_doc_tparam_not_attached_to_a_template_decl)
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<< CommandMarker
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<< Command->getCommandNameRange(Traits);
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return Command;
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}
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void Sema::actOnTParamCommandParamNameArg(TParamCommandComment *Command,
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SourceLocation ArgLocBegin,
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SourceLocation ArgLocEnd,
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StringRef Arg) {
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// Parser will not feed us more arguments than needed.
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assert(Command->getNumArgs() == 0);
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typedef BlockCommandComment::Argument Argument;
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Argument *A = new (Allocator) Argument(SourceRange(ArgLocBegin,
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ArgLocEnd),
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Arg);
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Command->setArgs(llvm::makeArrayRef(A, 1));
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if (!isTemplateOrSpecialization()) {
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// We already warned that this \\tparam is not attached to a template decl.
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return;
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}
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const TemplateParameterList *TemplateParameters =
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ThisDeclInfo->TemplateParameters;
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SmallVector<unsigned, 2> Position;
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if (resolveTParamReference(Arg, TemplateParameters, &Position)) {
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Command->setPosition(copyArray(llvm::makeArrayRef(Position)));
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TParamCommandComment *&PrevCommand = TemplateParameterDocs[Arg];
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if (PrevCommand) {
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SourceRange ArgRange(ArgLocBegin, ArgLocEnd);
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Diag(ArgLocBegin, diag::warn_doc_tparam_duplicate)
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<< Arg << ArgRange;
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Diag(PrevCommand->getLocation(), diag::note_doc_tparam_previous)
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<< PrevCommand->getParamNameRange();
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}
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PrevCommand = Command;
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return;
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}
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SourceRange ArgRange(ArgLocBegin, ArgLocEnd);
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Diag(ArgLocBegin, diag::warn_doc_tparam_not_found)
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<< Arg << ArgRange;
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if (!TemplateParameters || TemplateParameters->size() == 0)
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return;
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StringRef CorrectedName;
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if (TemplateParameters->size() == 1) {
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const NamedDecl *Param = TemplateParameters->getParam(0);
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const IdentifierInfo *II = Param->getIdentifier();
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if (II)
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CorrectedName = II->getName();
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} else {
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CorrectedName = correctTypoInTParamReference(Arg, TemplateParameters);
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}
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if (!CorrectedName.empty()) {
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Diag(ArgLocBegin, diag::note_doc_tparam_name_suggestion)
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<< CorrectedName
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<< FixItHint::CreateReplacement(ArgRange, CorrectedName);
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}
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return;
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}
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void Sema::actOnTParamCommandFinish(TParamCommandComment *Command,
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ParagraphComment *Paragraph) {
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Command->setParagraph(Paragraph);
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checkBlockCommandEmptyParagraph(Command);
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}
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InlineCommandComment *Sema::actOnInlineCommand(SourceLocation CommandLocBegin,
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SourceLocation CommandLocEnd,
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unsigned CommandID) {
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ArrayRef<InlineCommandComment::Argument> Args;
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StringRef CommandName = Traits.getCommandInfo(CommandID)->Name;
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return new (Allocator) InlineCommandComment(
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CommandLocBegin,
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CommandLocEnd,
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CommandID,
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getInlineCommandRenderKind(CommandName),
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Args);
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}
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InlineCommandComment *Sema::actOnInlineCommand(SourceLocation CommandLocBegin,
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SourceLocation CommandLocEnd,
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unsigned CommandID,
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SourceLocation ArgLocBegin,
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SourceLocation ArgLocEnd,
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StringRef Arg) {
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typedef InlineCommandComment::Argument Argument;
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Argument *A = new (Allocator) Argument(SourceRange(ArgLocBegin,
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ArgLocEnd),
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Arg);
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StringRef CommandName = Traits.getCommandInfo(CommandID)->Name;
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return new (Allocator) InlineCommandComment(
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CommandLocBegin,
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CommandLocEnd,
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CommandID,
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getInlineCommandRenderKind(CommandName),
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llvm::makeArrayRef(A, 1));
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}
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InlineContentComment *Sema::actOnUnknownCommand(SourceLocation LocBegin,
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SourceLocation LocEnd,
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StringRef CommandName) {
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unsigned CommandID = Traits.registerUnknownCommand(CommandName)->getID();
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return actOnUnknownCommand(LocBegin, LocEnd, CommandID);
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}
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InlineContentComment *Sema::actOnUnknownCommand(SourceLocation LocBegin,
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SourceLocation LocEnd,
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unsigned CommandID) {
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ArrayRef<InlineCommandComment::Argument> Args;
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return new (Allocator) InlineCommandComment(
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LocBegin, LocEnd, CommandID,
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InlineCommandComment::RenderNormal,
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Args);
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}
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TextComment *Sema::actOnText(SourceLocation LocBegin,
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SourceLocation LocEnd,
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StringRef Text) {
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return new (Allocator) TextComment(LocBegin, LocEnd, Text);
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}
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VerbatimBlockComment *Sema::actOnVerbatimBlockStart(SourceLocation Loc,
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unsigned CommandID) {
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StringRef CommandName = Traits.getCommandInfo(CommandID)->Name;
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return new (Allocator) VerbatimBlockComment(
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Loc,
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Loc.getLocWithOffset(1 + CommandName.size()),
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CommandID);
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}
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VerbatimBlockLineComment *Sema::actOnVerbatimBlockLine(SourceLocation Loc,
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StringRef Text) {
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return new (Allocator) VerbatimBlockLineComment(Loc, Text);
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}
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void Sema::actOnVerbatimBlockFinish(
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VerbatimBlockComment *Block,
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SourceLocation CloseNameLocBegin,
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StringRef CloseName,
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ArrayRef<VerbatimBlockLineComment *> Lines) {
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Block->setCloseName(CloseName, CloseNameLocBegin);
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Block->setLines(Lines);
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}
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VerbatimLineComment *Sema::actOnVerbatimLine(SourceLocation LocBegin,
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unsigned CommandID,
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SourceLocation TextBegin,
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StringRef Text) {
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VerbatimLineComment *VL = new (Allocator) VerbatimLineComment(
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LocBegin,
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TextBegin.getLocWithOffset(Text.size()),
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CommandID,
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TextBegin,
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Text);
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checkFunctionDeclVerbatimLine(VL);
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checkContainerDeclVerbatimLine(VL);
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return VL;
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}
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HTMLStartTagComment *Sema::actOnHTMLStartTagStart(SourceLocation LocBegin,
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StringRef TagName) {
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return new (Allocator) HTMLStartTagComment(LocBegin, TagName);
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}
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void Sema::actOnHTMLStartTagFinish(
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HTMLStartTagComment *Tag,
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ArrayRef<HTMLStartTagComment::Attribute> Attrs,
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SourceLocation GreaterLoc,
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bool IsSelfClosing) {
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Tag->setAttrs(Attrs);
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Tag->setGreaterLoc(GreaterLoc);
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if (IsSelfClosing)
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Tag->setSelfClosing();
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else if (!isHTMLEndTagForbidden(Tag->getTagName()))
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HTMLOpenTags.push_back(Tag);
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}
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HTMLEndTagComment *Sema::actOnHTMLEndTag(SourceLocation LocBegin,
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SourceLocation LocEnd,
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StringRef TagName) {
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HTMLEndTagComment *HET =
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new (Allocator) HTMLEndTagComment(LocBegin, LocEnd, TagName);
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if (isHTMLEndTagForbidden(TagName)) {
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Diag(HET->getLocation(), diag::warn_doc_html_end_forbidden)
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<< TagName << HET->getSourceRange();
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HET->setIsMalformed();
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return HET;
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}
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bool FoundOpen = false;
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for (SmallVectorImpl<HTMLStartTagComment *>::const_reverse_iterator
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I = HTMLOpenTags.rbegin(), E = HTMLOpenTags.rend();
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I != E; ++I) {
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if ((*I)->getTagName() == TagName) {
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FoundOpen = true;
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break;
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}
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}
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if (!FoundOpen) {
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Diag(HET->getLocation(), diag::warn_doc_html_end_unbalanced)
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<< HET->getSourceRange();
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HET->setIsMalformed();
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return HET;
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}
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|
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while (!HTMLOpenTags.empty()) {
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HTMLStartTagComment *HST = HTMLOpenTags.pop_back_val();
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StringRef LastNotClosedTagName = HST->getTagName();
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if (LastNotClosedTagName == TagName) {
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// If the start tag is malformed, end tag is malformed as well.
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if (HST->isMalformed())
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HET->setIsMalformed();
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break;
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}
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|
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if (isHTMLEndTagOptional(LastNotClosedTagName))
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continue;
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bool OpenLineInvalid;
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const unsigned OpenLine = SourceMgr.getPresumedLineNumber(
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HST->getLocation(),
|
|
&OpenLineInvalid);
|
|
bool CloseLineInvalid;
|
|
const unsigned CloseLine = SourceMgr.getPresumedLineNumber(
|
|
HET->getLocation(),
|
|
&CloseLineInvalid);
|
|
|
|
if (OpenLineInvalid || CloseLineInvalid || OpenLine == CloseLine) {
|
|
Diag(HST->getLocation(), diag::warn_doc_html_start_end_mismatch)
|
|
<< HST->getTagName() << HET->getTagName()
|
|
<< HST->getSourceRange() << HET->getSourceRange();
|
|
HST->setIsMalformed();
|
|
} else {
|
|
Diag(HST->getLocation(), diag::warn_doc_html_start_end_mismatch)
|
|
<< HST->getTagName() << HET->getTagName()
|
|
<< HST->getSourceRange();
|
|
Diag(HET->getLocation(), diag::note_doc_html_end_tag)
|
|
<< HET->getSourceRange();
|
|
HST->setIsMalformed();
|
|
}
|
|
}
|
|
|
|
return HET;
|
|
}
|
|
|
|
FullComment *Sema::actOnFullComment(
|
|
ArrayRef<BlockContentComment *> Blocks) {
|
|
FullComment *FC = new (Allocator) FullComment(Blocks, ThisDeclInfo);
|
|
resolveParamCommandIndexes(FC);
|
|
|
|
// Complain about HTML tags that are not closed.
|
|
while (!HTMLOpenTags.empty()) {
|
|
HTMLStartTagComment *HST = HTMLOpenTags.pop_back_val();
|
|
if (isHTMLEndTagOptional(HST->getTagName()))
|
|
continue;
|
|
|
|
Diag(HST->getLocation(), diag::warn_doc_html_missing_end_tag)
|
|
<< HST->getTagName() << HST->getSourceRange();
|
|
HST->setIsMalformed();
|
|
}
|
|
|
|
return FC;
|
|
}
|
|
|
|
void Sema::checkBlockCommandEmptyParagraph(BlockCommandComment *Command) {
|
|
if (Traits.getCommandInfo(Command->getCommandID())->IsEmptyParagraphAllowed)
|
|
return;
|
|
|
|
ParagraphComment *Paragraph = Command->getParagraph();
|
|
if (Paragraph->isWhitespace()) {
|
|
SourceLocation DiagLoc;
|
|
if (Command->getNumArgs() > 0)
|
|
DiagLoc = Command->getArgRange(Command->getNumArgs() - 1).getEnd();
|
|
if (!DiagLoc.isValid())
|
|
DiagLoc = Command->getCommandNameRange(Traits).getEnd();
|
|
Diag(DiagLoc, diag::warn_doc_block_command_empty_paragraph)
|
|
<< Command->getCommandMarker()
|
|
<< Command->getCommandName(Traits)
|
|
<< Command->getSourceRange();
|
|
}
|
|
}
|
|
|
|
void Sema::checkReturnsCommand(const BlockCommandComment *Command) {
|
|
if (!Traits.getCommandInfo(Command->getCommandID())->IsReturnsCommand)
|
|
return;
|
|
|
|
assert(ThisDeclInfo && "should not call this check on a bare comment");
|
|
|
|
if (isFunctionDecl()) {
|
|
if (ThisDeclInfo->ReturnType->isVoidType()) {
|
|
unsigned DiagKind;
|
|
switch (ThisDeclInfo->CommentDecl->getKind()) {
|
|
default:
|
|
if (ThisDeclInfo->IsObjCMethod)
|
|
DiagKind = 3;
|
|
else
|
|
DiagKind = 0;
|
|
break;
|
|
case Decl::CXXConstructor:
|
|
DiagKind = 1;
|
|
break;
|
|
case Decl::CXXDestructor:
|
|
DiagKind = 2;
|
|
break;
|
|
}
|
|
Diag(Command->getLocation(),
|
|
diag::warn_doc_returns_attached_to_a_void_function)
|
|
<< Command->getCommandMarker()
|
|
<< Command->getCommandName(Traits)
|
|
<< DiagKind
|
|
<< Command->getSourceRange();
|
|
}
|
|
return;
|
|
}
|
|
else if (isObjCPropertyDecl())
|
|
return;
|
|
|
|
Diag(Command->getLocation(),
|
|
diag::warn_doc_returns_not_attached_to_a_function_decl)
|
|
<< Command->getCommandMarker()
|
|
<< Command->getCommandName(Traits)
|
|
<< Command->getSourceRange();
|
|
}
|
|
|
|
void Sema::checkBlockCommandDuplicate(const BlockCommandComment *Command) {
|
|
const CommandInfo *Info = Traits.getCommandInfo(Command->getCommandID());
|
|
const BlockCommandComment *PrevCommand = nullptr;
|
|
if (Info->IsBriefCommand) {
|
|
if (!BriefCommand) {
|
|
BriefCommand = Command;
|
|
return;
|
|
}
|
|
PrevCommand = BriefCommand;
|
|
} else if (Info->IsHeaderfileCommand) {
|
|
if (!HeaderfileCommand) {
|
|
HeaderfileCommand = Command;
|
|
return;
|
|
}
|
|
PrevCommand = HeaderfileCommand;
|
|
} else {
|
|
// We don't want to check this command for duplicates.
|
|
return;
|
|
}
|
|
StringRef CommandName = Command->getCommandName(Traits);
|
|
StringRef PrevCommandName = PrevCommand->getCommandName(Traits);
|
|
Diag(Command->getLocation(), diag::warn_doc_block_command_duplicate)
|
|
<< Command->getCommandMarker()
|
|
<< CommandName
|
|
<< Command->getSourceRange();
|
|
if (CommandName == PrevCommandName)
|
|
Diag(PrevCommand->getLocation(), diag::note_doc_block_command_previous)
|
|
<< PrevCommand->getCommandMarker()
|
|
<< PrevCommandName
|
|
<< PrevCommand->getSourceRange();
|
|
else
|
|
Diag(PrevCommand->getLocation(),
|
|
diag::note_doc_block_command_previous_alias)
|
|
<< PrevCommand->getCommandMarker()
|
|
<< PrevCommandName
|
|
<< CommandName;
|
|
}
|
|
|
|
void Sema::checkDeprecatedCommand(const BlockCommandComment *Command) {
|
|
if (!Traits.getCommandInfo(Command->getCommandID())->IsDeprecatedCommand)
|
|
return;
|
|
|
|
assert(ThisDeclInfo && "should not call this check on a bare comment");
|
|
|
|
const Decl *D = ThisDeclInfo->CommentDecl;
|
|
if (!D)
|
|
return;
|
|
|
|
if (D->hasAttr<DeprecatedAttr>() ||
|
|
D->hasAttr<AvailabilityAttr>() ||
|
|
D->hasAttr<UnavailableAttr>())
|
|
return;
|
|
|
|
Diag(Command->getLocation(),
|
|
diag::warn_doc_deprecated_not_sync)
|
|
<< Command->getSourceRange();
|
|
|
|
// Try to emit a fixit with a deprecation attribute.
|
|
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
|
|
// Don't emit a Fix-It for non-member function definitions. GCC does not
|
|
// accept attributes on them.
|
|
const DeclContext *Ctx = FD->getDeclContext();
|
|
if ((!Ctx || !Ctx->isRecord()) &&
|
|
FD->doesThisDeclarationHaveABody())
|
|
return;
|
|
|
|
StringRef AttributeSpelling = "__attribute__((deprecated))";
|
|
if (PP) {
|
|
TokenValue Tokens[] = {
|
|
tok::kw___attribute, tok::l_paren, tok::l_paren,
|
|
PP->getIdentifierInfo("deprecated"),
|
|
tok::r_paren, tok::r_paren
|
|
};
|
|
StringRef MacroName = PP->getLastMacroWithSpelling(FD->getLocation(),
|
|
Tokens);
|
|
if (!MacroName.empty())
|
|
AttributeSpelling = MacroName;
|
|
}
|
|
|
|
SmallString<64> TextToInsert(" ");
|
|
TextToInsert += AttributeSpelling;
|
|
Diag(FD->getLocEnd(),
|
|
diag::note_add_deprecation_attr)
|
|
<< FixItHint::CreateInsertion(FD->getLocEnd().getLocWithOffset(1),
|
|
TextToInsert);
|
|
}
|
|
}
|
|
|
|
void Sema::resolveParamCommandIndexes(const FullComment *FC) {
|
|
if (!isFunctionDecl()) {
|
|
// We already warned that \\param commands are not attached to a function
|
|
// decl.
|
|
return;
|
|
}
|
|
|
|
SmallVector<ParamCommandComment *, 8> UnresolvedParamCommands;
|
|
|
|
// Comment AST nodes that correspond to \c ParamVars for which we have
|
|
// found a \\param command or NULL if no documentation was found so far.
|
|
SmallVector<ParamCommandComment *, 8> ParamVarDocs;
|
|
|
|
ArrayRef<const ParmVarDecl *> ParamVars = getParamVars();
|
|
ParamVarDocs.resize(ParamVars.size(), nullptr);
|
|
|
|
// First pass over all \\param commands: resolve all parameter names.
|
|
for (Comment::child_iterator I = FC->child_begin(), E = FC->child_end();
|
|
I != E; ++I) {
|
|
ParamCommandComment *PCC = dyn_cast<ParamCommandComment>(*I);
|
|
if (!PCC || !PCC->hasParamName())
|
|
continue;
|
|
StringRef ParamName = PCC->getParamNameAsWritten();
|
|
|
|
// Check that referenced parameter name is in the function decl.
|
|
const unsigned ResolvedParamIndex = resolveParmVarReference(ParamName,
|
|
ParamVars);
|
|
if (ResolvedParamIndex == ParamCommandComment::VarArgParamIndex) {
|
|
PCC->setIsVarArgParam();
|
|
continue;
|
|
}
|
|
if (ResolvedParamIndex == ParamCommandComment::InvalidParamIndex) {
|
|
UnresolvedParamCommands.push_back(PCC);
|
|
continue;
|
|
}
|
|
PCC->setParamIndex(ResolvedParamIndex);
|
|
if (ParamVarDocs[ResolvedParamIndex]) {
|
|
SourceRange ArgRange = PCC->getParamNameRange();
|
|
Diag(ArgRange.getBegin(), diag::warn_doc_param_duplicate)
|
|
<< ParamName << ArgRange;
|
|
ParamCommandComment *PrevCommand = ParamVarDocs[ResolvedParamIndex];
|
|
Diag(PrevCommand->getLocation(), diag::note_doc_param_previous)
|
|
<< PrevCommand->getParamNameRange();
|
|
}
|
|
ParamVarDocs[ResolvedParamIndex] = PCC;
|
|
}
|
|
|
|
// Find parameter declarations that have no corresponding \\param.
|
|
SmallVector<const ParmVarDecl *, 8> OrphanedParamDecls;
|
|
for (unsigned i = 0, e = ParamVarDocs.size(); i != e; ++i) {
|
|
if (!ParamVarDocs[i])
|
|
OrphanedParamDecls.push_back(ParamVars[i]);
|
|
}
|
|
|
|
// Second pass over unresolved \\param commands: do typo correction.
|
|
// Suggest corrections from a set of parameter declarations that have no
|
|
// corresponding \\param.
|
|
for (unsigned i = 0, e = UnresolvedParamCommands.size(); i != e; ++i) {
|
|
const ParamCommandComment *PCC = UnresolvedParamCommands[i];
|
|
|
|
SourceRange ArgRange = PCC->getParamNameRange();
|
|
StringRef ParamName = PCC->getParamNameAsWritten();
|
|
Diag(ArgRange.getBegin(), diag::warn_doc_param_not_found)
|
|
<< ParamName << ArgRange;
|
|
|
|
// All parameters documented -- can't suggest a correction.
|
|
if (OrphanedParamDecls.size() == 0)
|
|
continue;
|
|
|
|
unsigned CorrectedParamIndex = ParamCommandComment::InvalidParamIndex;
|
|
if (OrphanedParamDecls.size() == 1) {
|
|
// If one parameter is not documented then that parameter is the only
|
|
// possible suggestion.
|
|
CorrectedParamIndex = 0;
|
|
} else {
|
|
// Do typo correction.
|
|
CorrectedParamIndex = correctTypoInParmVarReference(ParamName,
|
|
OrphanedParamDecls);
|
|
}
|
|
if (CorrectedParamIndex != ParamCommandComment::InvalidParamIndex) {
|
|
const ParmVarDecl *CorrectedPVD = OrphanedParamDecls[CorrectedParamIndex];
|
|
if (const IdentifierInfo *CorrectedII = CorrectedPVD->getIdentifier())
|
|
Diag(ArgRange.getBegin(), diag::note_doc_param_name_suggestion)
|
|
<< CorrectedII->getName()
|
|
<< FixItHint::CreateReplacement(ArgRange, CorrectedII->getName());
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Sema::isFunctionDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->getKind() == DeclInfo::FunctionKind;
|
|
}
|
|
|
|
bool Sema::isAnyFunctionDecl() {
|
|
return isFunctionDecl() && ThisDeclInfo->CurrentDecl &&
|
|
isa<FunctionDecl>(ThisDeclInfo->CurrentDecl);
|
|
}
|
|
|
|
bool Sema::isFunctionOrMethodVariadic() {
|
|
if (!isAnyFunctionDecl() && !isObjCMethodDecl() && !isFunctionTemplateDecl())
|
|
return false;
|
|
if (const FunctionDecl *FD =
|
|
dyn_cast<FunctionDecl>(ThisDeclInfo->CurrentDecl))
|
|
return FD->isVariadic();
|
|
if (const FunctionTemplateDecl *FTD =
|
|
dyn_cast<FunctionTemplateDecl>(ThisDeclInfo->CurrentDecl))
|
|
return FTD->getTemplatedDecl()->isVariadic();
|
|
if (const ObjCMethodDecl *MD =
|
|
dyn_cast<ObjCMethodDecl>(ThisDeclInfo->CurrentDecl))
|
|
return MD->isVariadic();
|
|
return false;
|
|
}
|
|
|
|
bool Sema::isObjCMethodDecl() {
|
|
return isFunctionDecl() && ThisDeclInfo->CurrentDecl &&
|
|
isa<ObjCMethodDecl>(ThisDeclInfo->CurrentDecl);
|
|
}
|
|
|
|
bool Sema::isFunctionPointerVarDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
if (ThisDeclInfo->getKind() == DeclInfo::VariableKind) {
|
|
if (const VarDecl *VD = dyn_cast_or_null<VarDecl>(ThisDeclInfo->CurrentDecl)) {
|
|
QualType QT = VD->getType();
|
|
return QT->isFunctionPointerType();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Sema::isObjCPropertyDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->CurrentDecl->getKind() == Decl::ObjCProperty;
|
|
}
|
|
|
|
bool Sema::isTemplateOrSpecialization() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->getTemplateKind() != DeclInfo::NotTemplate;
|
|
}
|
|
|
|
bool Sema::isRecordLikeDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return isUnionDecl() || isClassOrStructDecl() || isObjCInterfaceDecl() ||
|
|
isObjCProtocolDecl();
|
|
}
|
|
|
|
bool Sema::isUnionDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
if (const RecordDecl *RD =
|
|
dyn_cast_or_null<RecordDecl>(ThisDeclInfo->CurrentDecl))
|
|
return RD->isUnion();
|
|
return false;
|
|
}
|
|
|
|
bool Sema::isClassOrStructDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->CurrentDecl &&
|
|
isa<RecordDecl>(ThisDeclInfo->CurrentDecl) &&
|
|
!isUnionDecl();
|
|
}
|
|
|
|
bool Sema::isClassTemplateDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->CurrentDecl &&
|
|
(isa<ClassTemplateDecl>(ThisDeclInfo->CurrentDecl));
|
|
}
|
|
|
|
bool Sema::isFunctionTemplateDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->CurrentDecl &&
|
|
(isa<FunctionTemplateDecl>(ThisDeclInfo->CurrentDecl));
|
|
}
|
|
|
|
bool Sema::isObjCInterfaceDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->CurrentDecl &&
|
|
isa<ObjCInterfaceDecl>(ThisDeclInfo->CurrentDecl);
|
|
}
|
|
|
|
bool Sema::isObjCProtocolDecl() {
|
|
if (!ThisDeclInfo)
|
|
return false;
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->CurrentDecl &&
|
|
isa<ObjCProtocolDecl>(ThisDeclInfo->CurrentDecl);
|
|
}
|
|
|
|
ArrayRef<const ParmVarDecl *> Sema::getParamVars() {
|
|
if (!ThisDeclInfo->IsFilled)
|
|
inspectThisDecl();
|
|
return ThisDeclInfo->ParamVars;
|
|
}
|
|
|
|
void Sema::inspectThisDecl() {
|
|
ThisDeclInfo->fill();
|
|
}
|
|
|
|
unsigned Sema::resolveParmVarReference(StringRef Name,
|
|
ArrayRef<const ParmVarDecl *> ParamVars) {
|
|
for (unsigned i = 0, e = ParamVars.size(); i != e; ++i) {
|
|
const IdentifierInfo *II = ParamVars[i]->getIdentifier();
|
|
if (II && II->getName() == Name)
|
|
return i;
|
|
}
|
|
if (Name == "..." && isFunctionOrMethodVariadic())
|
|
return ParamCommandComment::VarArgParamIndex;
|
|
return ParamCommandComment::InvalidParamIndex;
|
|
}
|
|
|
|
namespace {
|
|
class SimpleTypoCorrector {
|
|
StringRef Typo;
|
|
const unsigned MaxEditDistance;
|
|
|
|
const NamedDecl *BestDecl;
|
|
unsigned BestEditDistance;
|
|
unsigned BestIndex;
|
|
unsigned NextIndex;
|
|
|
|
public:
|
|
SimpleTypoCorrector(StringRef Typo) :
|
|
Typo(Typo), MaxEditDistance((Typo.size() + 2) / 3),
|
|
BestDecl(nullptr), BestEditDistance(MaxEditDistance + 1),
|
|
BestIndex(0), NextIndex(0)
|
|
{ }
|
|
|
|
void addDecl(const NamedDecl *ND);
|
|
|
|
const NamedDecl *getBestDecl() const {
|
|
if (BestEditDistance > MaxEditDistance)
|
|
return nullptr;
|
|
|
|
return BestDecl;
|
|
}
|
|
|
|
unsigned getBestDeclIndex() const {
|
|
assert(getBestDecl());
|
|
return BestIndex;
|
|
}
|
|
};
|
|
|
|
void SimpleTypoCorrector::addDecl(const NamedDecl *ND) {
|
|
unsigned CurrIndex = NextIndex++;
|
|
|
|
const IdentifierInfo *II = ND->getIdentifier();
|
|
if (!II)
|
|
return;
|
|
|
|
StringRef Name = II->getName();
|
|
unsigned MinPossibleEditDistance = abs((int)Name.size() - (int)Typo.size());
|
|
if (MinPossibleEditDistance > 0 &&
|
|
Typo.size() / MinPossibleEditDistance < 3)
|
|
return;
|
|
|
|
unsigned EditDistance = Typo.edit_distance(Name, true, MaxEditDistance);
|
|
if (EditDistance < BestEditDistance) {
|
|
BestEditDistance = EditDistance;
|
|
BestDecl = ND;
|
|
BestIndex = CurrIndex;
|
|
}
|
|
}
|
|
} // unnamed namespace
|
|
|
|
unsigned Sema::correctTypoInParmVarReference(
|
|
StringRef Typo,
|
|
ArrayRef<const ParmVarDecl *> ParamVars) {
|
|
SimpleTypoCorrector Corrector(Typo);
|
|
for (unsigned i = 0, e = ParamVars.size(); i != e; ++i)
|
|
Corrector.addDecl(ParamVars[i]);
|
|
if (Corrector.getBestDecl())
|
|
return Corrector.getBestDeclIndex();
|
|
else
|
|
return ParamCommandComment::InvalidParamIndex;
|
|
}
|
|
|
|
namespace {
|
|
bool ResolveTParamReferenceHelper(
|
|
StringRef Name,
|
|
const TemplateParameterList *TemplateParameters,
|
|
SmallVectorImpl<unsigned> *Position) {
|
|
for (unsigned i = 0, e = TemplateParameters->size(); i != e; ++i) {
|
|
const NamedDecl *Param = TemplateParameters->getParam(i);
|
|
const IdentifierInfo *II = Param->getIdentifier();
|
|
if (II && II->getName() == Name) {
|
|
Position->push_back(i);
|
|
return true;
|
|
}
|
|
|
|
if (const TemplateTemplateParmDecl *TTP =
|
|
dyn_cast<TemplateTemplateParmDecl>(Param)) {
|
|
Position->push_back(i);
|
|
if (ResolveTParamReferenceHelper(Name, TTP->getTemplateParameters(),
|
|
Position))
|
|
return true;
|
|
Position->pop_back();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
} // unnamed namespace
|
|
|
|
bool Sema::resolveTParamReference(
|
|
StringRef Name,
|
|
const TemplateParameterList *TemplateParameters,
|
|
SmallVectorImpl<unsigned> *Position) {
|
|
Position->clear();
|
|
if (!TemplateParameters)
|
|
return false;
|
|
|
|
return ResolveTParamReferenceHelper(Name, TemplateParameters, Position);
|
|
}
|
|
|
|
namespace {
|
|
void CorrectTypoInTParamReferenceHelper(
|
|
const TemplateParameterList *TemplateParameters,
|
|
SimpleTypoCorrector &Corrector) {
|
|
for (unsigned i = 0, e = TemplateParameters->size(); i != e; ++i) {
|
|
const NamedDecl *Param = TemplateParameters->getParam(i);
|
|
Corrector.addDecl(Param);
|
|
|
|
if (const TemplateTemplateParmDecl *TTP =
|
|
dyn_cast<TemplateTemplateParmDecl>(Param))
|
|
CorrectTypoInTParamReferenceHelper(TTP->getTemplateParameters(),
|
|
Corrector);
|
|
}
|
|
}
|
|
} // unnamed namespace
|
|
|
|
StringRef Sema::correctTypoInTParamReference(
|
|
StringRef Typo,
|
|
const TemplateParameterList *TemplateParameters) {
|
|
SimpleTypoCorrector Corrector(Typo);
|
|
CorrectTypoInTParamReferenceHelper(TemplateParameters, Corrector);
|
|
if (const NamedDecl *ND = Corrector.getBestDecl()) {
|
|
const IdentifierInfo *II = ND->getIdentifier();
|
|
assert(II && "SimpleTypoCorrector should not return this decl");
|
|
return II->getName();
|
|
}
|
|
return StringRef();
|
|
}
|
|
|
|
InlineCommandComment::RenderKind
|
|
Sema::getInlineCommandRenderKind(StringRef Name) const {
|
|
assert(Traits.getCommandInfo(Name)->IsInlineCommand);
|
|
|
|
return llvm::StringSwitch<InlineCommandComment::RenderKind>(Name)
|
|
.Case("b", InlineCommandComment::RenderBold)
|
|
.Cases("c", "p", InlineCommandComment::RenderMonospaced)
|
|
.Cases("a", "e", "em", InlineCommandComment::RenderEmphasized)
|
|
.Default(InlineCommandComment::RenderNormal);
|
|
}
|
|
|
|
} // end namespace comments
|
|
} // end namespace clang
|
|
|