forked from OSchip/llvm-project
412 lines
12 KiB
C++
412 lines
12 KiB
C++
//===- CXComment.cpp - libclang APIs for manipulating CXComments ----------===//
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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 all libclang APIs related to walking comment AST.
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//
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//===----------------------------------------------------------------------===//
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#include "clang-c/Index.h"
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#include "CXComment.h"
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#include "CXCursor.h"
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#include "CXString.h"
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#include "clang-c/Documentation.h"
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#include "clang/AST/Decl.h"
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#include "clang/Index/CommentToXML.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/ErrorHandling.h"
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#include <climits>
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using namespace clang;
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using namespace clang::comments;
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using namespace clang::cxcomment;
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extern "C" {
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CXComment clang_Cursor_getParsedComment(CXCursor C) {
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using namespace clang::cxcursor;
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if (!clang_isDeclaration(C.kind))
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return createCXComment(nullptr, nullptr);
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const Decl *D = getCursorDecl(C);
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const ASTContext &Context = getCursorContext(C);
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const FullComment *FC = Context.getCommentForDecl(D, /*PP=*/nullptr);
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return createCXComment(FC, getCursorTU(C));
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}
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enum CXCommentKind clang_Comment_getKind(CXComment CXC) {
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const Comment *C = getASTNode(CXC);
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if (!C)
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return CXComment_Null;
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switch (C->getCommentKind()) {
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case Comment::NoCommentKind:
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return CXComment_Null;
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case Comment::TextCommentKind:
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return CXComment_Text;
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case Comment::InlineCommandCommentKind:
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return CXComment_InlineCommand;
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case Comment::HTMLStartTagCommentKind:
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return CXComment_HTMLStartTag;
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case Comment::HTMLEndTagCommentKind:
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return CXComment_HTMLEndTag;
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case Comment::ParagraphCommentKind:
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return CXComment_Paragraph;
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case Comment::BlockCommandCommentKind:
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return CXComment_BlockCommand;
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case Comment::ParamCommandCommentKind:
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return CXComment_ParamCommand;
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case Comment::TParamCommandCommentKind:
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return CXComment_TParamCommand;
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case Comment::VerbatimBlockCommentKind:
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return CXComment_VerbatimBlockCommand;
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case Comment::VerbatimBlockLineCommentKind:
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return CXComment_VerbatimBlockLine;
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case Comment::VerbatimLineCommentKind:
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return CXComment_VerbatimLine;
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case Comment::FullCommentKind:
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return CXComment_FullComment;
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}
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llvm_unreachable("unknown CommentKind");
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}
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unsigned clang_Comment_getNumChildren(CXComment CXC) {
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const Comment *C = getASTNode(CXC);
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if (!C)
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return 0;
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return C->child_count();
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}
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CXComment clang_Comment_getChild(CXComment CXC, unsigned ChildIdx) {
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const Comment *C = getASTNode(CXC);
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if (!C || ChildIdx >= C->child_count())
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return createCXComment(nullptr, nullptr);
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return createCXComment(*(C->child_begin() + ChildIdx), CXC.TranslationUnit);
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}
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unsigned clang_Comment_isWhitespace(CXComment CXC) {
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const Comment *C = getASTNode(CXC);
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if (!C)
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return false;
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if (const TextComment *TC = dyn_cast<TextComment>(C))
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return TC->isWhitespace();
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if (const ParagraphComment *PC = dyn_cast<ParagraphComment>(C))
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return PC->isWhitespace();
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return false;
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}
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unsigned clang_InlineContentComment_hasTrailingNewline(CXComment CXC) {
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const InlineContentComment *ICC = getASTNodeAs<InlineContentComment>(CXC);
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if (!ICC)
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return false;
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return ICC->hasTrailingNewline();
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}
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CXString clang_TextComment_getText(CXComment CXC) {
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const TextComment *TC = getASTNodeAs<TextComment>(CXC);
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if (!TC)
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return cxstring::createNull();
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return cxstring::createRef(TC->getText());
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}
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CXString clang_InlineCommandComment_getCommandName(CXComment CXC) {
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const InlineCommandComment *ICC = getASTNodeAs<InlineCommandComment>(CXC);
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if (!ICC)
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return cxstring::createNull();
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const CommandTraits &Traits = getCommandTraits(CXC);
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return cxstring::createRef(ICC->getCommandName(Traits));
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}
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enum CXCommentInlineCommandRenderKind
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clang_InlineCommandComment_getRenderKind(CXComment CXC) {
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const InlineCommandComment *ICC = getASTNodeAs<InlineCommandComment>(CXC);
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if (!ICC)
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return CXCommentInlineCommandRenderKind_Normal;
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switch (ICC->getRenderKind()) {
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case InlineCommandComment::RenderNormal:
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return CXCommentInlineCommandRenderKind_Normal;
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case InlineCommandComment::RenderBold:
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return CXCommentInlineCommandRenderKind_Bold;
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case InlineCommandComment::RenderMonospaced:
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return CXCommentInlineCommandRenderKind_Monospaced;
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case InlineCommandComment::RenderEmphasized:
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return CXCommentInlineCommandRenderKind_Emphasized;
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}
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llvm_unreachable("unknown InlineCommandComment::RenderKind");
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}
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unsigned clang_InlineCommandComment_getNumArgs(CXComment CXC) {
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const InlineCommandComment *ICC = getASTNodeAs<InlineCommandComment>(CXC);
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if (!ICC)
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return 0;
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return ICC->getNumArgs();
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}
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CXString clang_InlineCommandComment_getArgText(CXComment CXC,
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unsigned ArgIdx) {
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const InlineCommandComment *ICC = getASTNodeAs<InlineCommandComment>(CXC);
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if (!ICC || ArgIdx >= ICC->getNumArgs())
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return cxstring::createNull();
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return cxstring::createRef(ICC->getArgText(ArgIdx));
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}
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CXString clang_HTMLTagComment_getTagName(CXComment CXC) {
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const HTMLTagComment *HTC = getASTNodeAs<HTMLTagComment>(CXC);
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if (!HTC)
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return cxstring::createNull();
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return cxstring::createRef(HTC->getTagName());
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}
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unsigned clang_HTMLStartTagComment_isSelfClosing(CXComment CXC) {
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const HTMLStartTagComment *HST = getASTNodeAs<HTMLStartTagComment>(CXC);
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if (!HST)
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return false;
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return HST->isSelfClosing();
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}
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unsigned clang_HTMLStartTag_getNumAttrs(CXComment CXC) {
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const HTMLStartTagComment *HST = getASTNodeAs<HTMLStartTagComment>(CXC);
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if (!HST)
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return 0;
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return HST->getNumAttrs();
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}
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CXString clang_HTMLStartTag_getAttrName(CXComment CXC, unsigned AttrIdx) {
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const HTMLStartTagComment *HST = getASTNodeAs<HTMLStartTagComment>(CXC);
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if (!HST || AttrIdx >= HST->getNumAttrs())
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return cxstring::createNull();
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return cxstring::createRef(HST->getAttr(AttrIdx).Name);
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}
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CXString clang_HTMLStartTag_getAttrValue(CXComment CXC, unsigned AttrIdx) {
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const HTMLStartTagComment *HST = getASTNodeAs<HTMLStartTagComment>(CXC);
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if (!HST || AttrIdx >= HST->getNumAttrs())
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return cxstring::createNull();
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return cxstring::createRef(HST->getAttr(AttrIdx).Value);
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}
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CXString clang_BlockCommandComment_getCommandName(CXComment CXC) {
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const BlockCommandComment *BCC = getASTNodeAs<BlockCommandComment>(CXC);
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if (!BCC)
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return cxstring::createNull();
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const CommandTraits &Traits = getCommandTraits(CXC);
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return cxstring::createRef(BCC->getCommandName(Traits));
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}
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unsigned clang_BlockCommandComment_getNumArgs(CXComment CXC) {
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const BlockCommandComment *BCC = getASTNodeAs<BlockCommandComment>(CXC);
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if (!BCC)
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return 0;
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return BCC->getNumArgs();
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}
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CXString clang_BlockCommandComment_getArgText(CXComment CXC,
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unsigned ArgIdx) {
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const BlockCommandComment *BCC = getASTNodeAs<BlockCommandComment>(CXC);
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if (!BCC || ArgIdx >= BCC->getNumArgs())
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return cxstring::createNull();
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return cxstring::createRef(BCC->getArgText(ArgIdx));
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}
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CXComment clang_BlockCommandComment_getParagraph(CXComment CXC) {
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const BlockCommandComment *BCC = getASTNodeAs<BlockCommandComment>(CXC);
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if (!BCC)
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return createCXComment(nullptr, nullptr);
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return createCXComment(BCC->getParagraph(), CXC.TranslationUnit);
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}
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CXString clang_ParamCommandComment_getParamName(CXComment CXC) {
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const ParamCommandComment *PCC = getASTNodeAs<ParamCommandComment>(CXC);
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if (!PCC || !PCC->hasParamName())
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return cxstring::createNull();
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return cxstring::createRef(PCC->getParamNameAsWritten());
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}
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unsigned clang_ParamCommandComment_isParamIndexValid(CXComment CXC) {
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const ParamCommandComment *PCC = getASTNodeAs<ParamCommandComment>(CXC);
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if (!PCC)
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return false;
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return PCC->isParamIndexValid();
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}
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unsigned clang_ParamCommandComment_getParamIndex(CXComment CXC) {
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const ParamCommandComment *PCC = getASTNodeAs<ParamCommandComment>(CXC);
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if (!PCC || !PCC->isParamIndexValid() || PCC->isVarArgParam())
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return ParamCommandComment::InvalidParamIndex;
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return PCC->getParamIndex();
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}
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unsigned clang_ParamCommandComment_isDirectionExplicit(CXComment CXC) {
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const ParamCommandComment *PCC = getASTNodeAs<ParamCommandComment>(CXC);
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if (!PCC)
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return false;
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return PCC->isDirectionExplicit();
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}
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enum CXCommentParamPassDirection clang_ParamCommandComment_getDirection(
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CXComment CXC) {
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const ParamCommandComment *PCC = getASTNodeAs<ParamCommandComment>(CXC);
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if (!PCC)
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return CXCommentParamPassDirection_In;
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switch (PCC->getDirection()) {
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case ParamCommandComment::In:
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return CXCommentParamPassDirection_In;
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case ParamCommandComment::Out:
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return CXCommentParamPassDirection_Out;
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case ParamCommandComment::InOut:
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return CXCommentParamPassDirection_InOut;
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}
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llvm_unreachable("unknown ParamCommandComment::PassDirection");
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}
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CXString clang_TParamCommandComment_getParamName(CXComment CXC) {
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const TParamCommandComment *TPCC = getASTNodeAs<TParamCommandComment>(CXC);
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if (!TPCC || !TPCC->hasParamName())
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return cxstring::createNull();
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return cxstring::createRef(TPCC->getParamNameAsWritten());
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}
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unsigned clang_TParamCommandComment_isParamPositionValid(CXComment CXC) {
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const TParamCommandComment *TPCC = getASTNodeAs<TParamCommandComment>(CXC);
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if (!TPCC)
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return false;
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return TPCC->isPositionValid();
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}
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unsigned clang_TParamCommandComment_getDepth(CXComment CXC) {
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const TParamCommandComment *TPCC = getASTNodeAs<TParamCommandComment>(CXC);
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if (!TPCC || !TPCC->isPositionValid())
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return 0;
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return TPCC->getDepth();
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}
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unsigned clang_TParamCommandComment_getIndex(CXComment CXC, unsigned Depth) {
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const TParamCommandComment *TPCC = getASTNodeAs<TParamCommandComment>(CXC);
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if (!TPCC || !TPCC->isPositionValid() || Depth >= TPCC->getDepth())
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return 0;
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return TPCC->getIndex(Depth);
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}
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CXString clang_VerbatimBlockLineComment_getText(CXComment CXC) {
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const VerbatimBlockLineComment *VBL =
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getASTNodeAs<VerbatimBlockLineComment>(CXC);
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if (!VBL)
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return cxstring::createNull();
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return cxstring::createRef(VBL->getText());
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}
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CXString clang_VerbatimLineComment_getText(CXComment CXC) {
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const VerbatimLineComment *VLC = getASTNodeAs<VerbatimLineComment>(CXC);
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if (!VLC)
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return cxstring::createNull();
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return cxstring::createRef(VLC->getText());
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}
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//===----------------------------------------------------------------------===//
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// Converting comments to XML.
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//===----------------------------------------------------------------------===//
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CXString clang_HTMLTagComment_getAsString(CXComment CXC) {
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const HTMLTagComment *HTC = getASTNodeAs<HTMLTagComment>(CXC);
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if (!HTC)
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return cxstring::createNull();
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CXTranslationUnit TU = CXC.TranslationUnit;
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if (!TU->CommentToXML)
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TU->CommentToXML = new clang::index::CommentToXMLConverter();
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SmallString<128> Text;
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TU->CommentToXML->convertHTMLTagNodeToText(
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HTC, Text, cxtu::getASTUnit(TU)->getASTContext());
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return cxstring::createDup(Text.str());
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}
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CXString clang_FullComment_getAsHTML(CXComment CXC) {
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const FullComment *FC = getASTNodeAs<FullComment>(CXC);
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if (!FC)
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return cxstring::createNull();
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CXTranslationUnit TU = CXC.TranslationUnit;
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if (!TU->CommentToXML)
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TU->CommentToXML = new clang::index::CommentToXMLConverter();
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SmallString<1024> HTML;
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TU->CommentToXML
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->convertCommentToHTML(FC, HTML, cxtu::getASTUnit(TU)->getASTContext());
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return cxstring::createDup(HTML.str());
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}
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CXString clang_FullComment_getAsXML(CXComment CXC) {
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const FullComment *FC = getASTNodeAs<FullComment>(CXC);
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if (!FC)
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return cxstring::createNull();
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CXTranslationUnit TU = CXC.TranslationUnit;
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if (!TU->CommentToXML)
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TU->CommentToXML = new clang::index::CommentToXMLConverter();
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SmallString<1024> XML;
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TU->CommentToXML
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->convertCommentToXML(FC, XML, cxtu::getASTUnit(TU)->getASTContext());
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return cxstring::createDup(XML.str());
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}
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} // end extern "C"
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