forked from OSchip/llvm-project
[clangd] DefineInline action apply logic with fully qualified names
Summary: Initial version of DefineInline action that will fully qualify every name inside function body. Reviewers: sammccall, ilya-biryukov, hokein Tags: #clang Differential Revision: https://reviews.llvm.org/D66647
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@ -7,6 +7,7 @@
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//===----------------------------------------------------------------------===//
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#include "AST.h"
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#include "FindTarget.h"
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#include "Logger.h"
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#include "Selection.h"
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#include "SourceCode.h"
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@ -42,23 +43,42 @@
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#include "clang/Tooling/Core/Replacement.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/DenseSet.h"
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#include "llvm/ADT/None.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/FormatAdapters.h"
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#include "llvm/Support/FormatVariadic.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstddef>
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#include <set>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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namespace clang {
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namespace clangd {
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namespace {
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// Returns semicolon location for the given FD. Since AST doesn't contain that
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// information, searches for a semicolon by lexing from end of function decl
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// while skipping comments.
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llvm::Optional<SourceLocation> getSemicolonForDecl(const FunctionDecl *FD) {
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const SourceManager &SM = FD->getASTContext().getSourceManager();
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const LangOptions &LangOpts = FD->getASTContext().getLangOpts();
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SourceLocation CurLoc = FD->getEndLoc();
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auto NextTok = Lexer::findNextToken(CurLoc, SM, LangOpts);
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if (!NextTok || !NextTok->is(tok::semi))
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return llvm::None;
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return NextTok->getLocation();
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}
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// Deduces the FunctionDecl from a selection. Requires either the function body
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// or the function decl to be selected. Returns null if none of the above
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// criteria is met.
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@ -75,7 +95,7 @@ const FunctionDecl *getSelectedFunction(const SelectionTree::Node *SelNode) {
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}
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// Checks the decls mentioned in Source are visible in the context of Target.
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// Achives that by checking declarations occur before target location in
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// Achives that by checking declaraions occur before target location in
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// translation unit or declared in the same class.
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bool checkDeclsAreVisible(const llvm::DenseSet<const Decl *> &DeclRefs,
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const FunctionDecl *Target, const SourceManager &SM) {
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@ -115,6 +135,97 @@ bool checkDeclsAreVisible(const llvm::DenseSet<const Decl *> &DeclRefs,
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return true;
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}
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// Rewrites body of FD to fully-qualify all of the decls inside.
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llvm::Expected<std::string> qualifyAllDecls(const FunctionDecl *FD) {
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// There are three types of spellings that needs to be qualified in a function
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// body:
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// - Types: Foo -> ns::Foo
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// - DeclRefExpr: ns2::foo() -> ns1::ns2::foo();
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// - UsingDecls:
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// using ns2::foo -> using ns1::ns2::foo
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// using namespace ns2 -> using namespace ns1::ns2
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// using ns3 = ns2 -> using ns3 = ns1::ns2
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//
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// Go over all references inside a function body to generate replacements that
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// will fully qualify those. So that body can be moved into an arbitrary file.
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// We perform the qualification by qualyfying the first type/decl in a
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// (un)qualified name. e.g:
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// namespace a { namespace b { class Bar{}; void foo(); } }
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// b::Bar x; -> a::b::Bar x;
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// foo(); -> a::b::foo();
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// FIXME: Instead of fully qualyfying we should try deducing visible scopes at
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// target location and generate minimal edits.
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const SourceManager &SM = FD->getASTContext().getSourceManager();
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tooling::Replacements Replacements;
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bool HadErrors = false;
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findExplicitReferences(FD->getBody(), [&](ReferenceLoc Ref) {
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// Since we want to qualify only the first qualifier, skip names with a
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// qualifier.
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if (Ref.Qualifier)
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return;
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// There might be no decl in dependent contexts, there's nothing much we can
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// do in such cases.
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if (Ref.Targets.empty())
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return;
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// Do not qualify names introduced by macro expansions.
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if (Ref.NameLoc.isMacroID())
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return;
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for (const NamedDecl *ND : Ref.Targets) {
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if (ND->getDeclContext() != Ref.Targets.front()->getDeclContext()) {
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elog("define inline: Targets from multiple contexts: {0}, {1}",
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printQualifiedName(*Ref.Targets.front()), printQualifiedName(*ND));
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HadErrors = true;
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return;
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}
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}
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// All Targets are in the same scope, so we can safely chose first one.
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const NamedDecl *ND = Ref.Targets.front();
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// Skip anything from a non-namespace scope, these can be:
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// - Function or Method scopes, which means decl is local and doesn't need
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// qualification.
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// - From Class/Struct/Union scope, which again doesn't need any qualifiers,
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// rather the left side of it requires qualification, like:
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// namespace a { class Bar { public: static int x; } }
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// void foo() { Bar::x; }
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// ~~~~~ -> we need to qualify Bar not x.
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if (!ND->getDeclContext()->isNamespace())
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return;
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std::string Qualifier = printNamespaceScope(*ND->getDeclContext());
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if (auto Err = Replacements.add(
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tooling::Replacement(SM, Ref.NameLoc, 0, Qualifier))) {
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HadErrors = true;
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elog("define inline: Failed to add quals: {0}", std::move(Err));
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}
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});
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if (HadErrors) {
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return llvm::createStringError(
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llvm::inconvertibleErrorCode(),
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"define inline: Failed to compute qualifiers see logs for details.");
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}
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// Get new begin and end positions for the qualified body.
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auto OrigBodyRange = toHalfOpenFileRange(
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SM, FD->getASTContext().getLangOpts(), FD->getBody()->getSourceRange());
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if (!OrigBodyRange)
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return llvm::createStringError(llvm::inconvertibleErrorCode(),
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"Couldn't get range func body.");
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unsigned BodyBegin = SM.getFileOffset(OrigBodyRange->getBegin());
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unsigned BodyEnd = Replacements.getShiftedCodePosition(
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SM.getFileOffset(OrigBodyRange->getEnd()));
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// Trim the result to function body.
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auto QualifiedFunc = tooling::applyAllReplacements(
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SM.getBufferData(SM.getFileID(OrigBodyRange->getBegin())), Replacements);
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if (!QualifiedFunc)
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return QualifiedFunc.takeError();
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return QualifiedFunc->substr(BodyBegin, BodyEnd - BodyBegin + 1);
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}
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// Returns the canonical declaration for the given FunctionDecl. This will
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// usually be the first declaration in current translation unit with the
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// exception of template specialization.
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@ -136,6 +247,15 @@ const FunctionDecl *findTarget(const FunctionDecl *FD) {
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return PrevDecl;
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}
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// Returns the begining location for a FunctionDecl. Returns location of
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// template keyword for templated functions.
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const SourceLocation getBeginLoc(const FunctionDecl *FD) {
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// Include template parameter list.
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if (auto *FTD = FD->getDescribedFunctionTemplate())
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return FTD->getBeginLoc();
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return FD->getBeginLoc();
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}
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/// Moves definition of a function/method to its declaration location.
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/// Before:
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/// a.h:
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std::string title() const override {
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return "Move function body to declaration";
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}
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bool hidden() const override { return true; }
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// Returns true when selection is on a function definition that does not
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// make use of any internal symbols.
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if (MD->getParent()->isTemplated())
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return false;
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}
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// If function body starts or ends inside a macro, we refuse to move it into
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// declaration location.
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if (Source->getBody()->getBeginLoc().isMacroID() ||
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Source->getBody()->getEndLoc().isMacroID())
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return false;
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Target = findTarget(Source);
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if (Target == Source) {
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@ -198,8 +322,63 @@ public:
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}
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Expected<Effect> apply(const Selection &Sel) override {
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return llvm::createStringError(llvm::inconvertibleErrorCode(),
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"Not implemented yet");
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const auto &AST = Sel.AST.getASTContext();
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const auto &SM = AST.getSourceManager();
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auto Semicolon = getSemicolonForDecl(Target);
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if (!Semicolon) {
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return llvm::createStringError(
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llvm::inconvertibleErrorCode(),
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"Couldn't find semicolon for target declaration.");
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}
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auto QualifiedBody = qualifyAllDecls(Source);
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if (!QualifiedBody)
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return QualifiedBody.takeError();
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const tooling::Replacement SemicolonToFuncBody(SM, *Semicolon, 1,
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*QualifiedBody);
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auto DefRange = toHalfOpenFileRange(
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SM, AST.getLangOpts(),
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SM.getExpansionRange(CharSourceRange::getCharRange(getBeginLoc(Source),
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Source->getEndLoc()))
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.getAsRange());
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if (!DefRange) {
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return llvm::createStringError(llvm::inconvertibleErrorCode(),
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"Couldn't get range for the source.");
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}
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unsigned int SourceLen = SM.getFileOffset(DefRange->getEnd()) -
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SM.getFileOffset(DefRange->getBegin());
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const tooling::Replacement DeleteFuncBody(SM, DefRange->getBegin(),
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SourceLen, "");
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llvm::SmallVector<std::pair<std::string, Edit>, 2> Edits;
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// Edit for Target.
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auto FE = Effect::fileEdit(SM, SM.getFileID(*Semicolon),
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tooling::Replacements(SemicolonToFuncBody));
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if (!FE)
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return FE.takeError();
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Edits.push_back(std::move(*FE));
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// Edit for Source.
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if (!SM.isWrittenInSameFile(DefRange->getBegin(),
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SM.getExpansionLoc(Target->getBeginLoc()))) {
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// Generate a new edit if the Source and Target are in different files.
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auto FE = Effect::fileEdit(SM, SM.getFileID(Sel.Cursor),
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tooling::Replacements(DeleteFuncBody));
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if (!FE)
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return FE.takeError();
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Edits.push_back(std::move(*FE));
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} else {
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// Merge with previous edit if they are in the same file.
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if (auto Err = Edits.front().second.Replacements.add(DeleteFuncBody))
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return std::move(Err);
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}
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Effect E;
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for (auto &Pair : Edits)
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E.ApplyEdits.try_emplace(std::move(Pair.first), std::move(Pair.second));
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return E;
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}
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private:
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#include "Annotations.h"
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#include "SourceCode.h"
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#include "TestFS.h"
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#include "refactor/Tweak.h"
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#include "clang/Tooling/Core/Replacement.h"
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#include "llvm/Support/Error.h"
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#include "gtest/gtest.h"
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#include <string>
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namespace clang {
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namespace clangd {
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@ -79,13 +82,15 @@ MATCHER_P4(TweakIsAvailable, TweakID, Ctx, Header, ExtraFiles,
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} // namespace
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std::string TweakTest::apply(llvm::StringRef MarkedCode) const {
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std::string TweakTest::apply(llvm::StringRef MarkedCode,
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llvm::StringMap<std::string> *EditedFiles) const {
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std::string WrappedCode = wrap(Context, MarkedCode);
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Annotations Input(WrappedCode);
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auto Selection = rangeOrPoint(Input);
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TestTU TU;
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TU.HeaderCode = Header;
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TU.AdditionalFiles = std::move(ExtraFiles);
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TU.Code = Input.code();
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TU.ExtraArgs = ExtraArgs;
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ParsedAST AST = TU.build();
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return "message:\n" + *Result->ShowMessage;
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if (Result->ApplyEdits.empty())
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return "no effect";
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if (Result->ApplyEdits.size() > 1)
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return "received multi-file edits";
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auto ApplyEdit = Result->ApplyEdits.begin()->second;
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if (auto NewText = ApplyEdit.apply())
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return unwrap(Context, *NewText);
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else
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return "bad edits: " + llvm::toString(NewText.takeError());
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std::string EditedMainFile;
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for (auto &It : Result->ApplyEdits) {
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auto NewText = It.second.apply();
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if (!NewText)
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return "bad edits: " + llvm::toString(NewText.takeError());
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llvm::StringRef Unwrapped = unwrap(Context, *NewText);
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if (It.first() == testPath(TU.Filename))
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EditedMainFile = Unwrapped;
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else {
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if (!EditedFiles)
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ADD_FAILURE() << "There were changes to additional files, but client "
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"provided a nullptr for EditedFiles.";
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else
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EditedFiles->try_emplace(It.first(), Unwrapped.str());
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}
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}
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return EditedMainFile;
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}
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::testing::Matcher<llvm::StringRef> TweakTest::isAvailable() const {
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// Apply the current tweak to the range (or point) in MarkedCode.
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// MarkedCode will be wrapped according to the Context.
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// - if the tweak produces edits, returns the edited code (without markings).
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// - if the tweak produces edits, returns the edited code (without markings)
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// for the main file.
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// Populates \p EditedFiles if there were changes to other files whenever
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// it is non-null. It is a mapping from absolute path of the edited file to
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// its new contents. Passing a nullptr to \p EditedFiles when there are
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// changes, will result in a failure.
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// The context added to MarkedCode will be stripped away before returning,
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// unless the tweak edited it.
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// - if the tweak produces a message, returns "message:\n<message>"
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// - if prepare() returns false, returns "unavailable"
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// - if apply() returns an error, returns "fail: <message>"
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std::string apply(llvm::StringRef MarkedCode) const;
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std::string apply(llvm::StringRef MarkedCode,
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llvm::StringMap<std::string> *EditedFiles = nullptr) const;
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// Accepts a code snippet with many ranges (or points) marked, and returns a
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// list of snippets with one range marked each.
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#include "clang/Tooling/Core/Replacement.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/MemoryBuffer.h"
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using ::testing::AllOf;
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using ::testing::HasSubstr;
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using ::testing::StartsWith;
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using ::testing::ElementsAre;
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namespace clang {
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namespace clangd {
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namespace {
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MATCHER_P2(FileWithContents, FileName, Contents, "") {
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return arg.first() == FileName && arg.second == Contents;
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}
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TEST(FileEdits, AbsolutePath) {
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auto RelPaths = {"a.h", "foo.cpp", "test/test.cpp"};
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@ -1047,6 +1053,512 @@ TEST_F(DefineInlineTest, UsingShadowDecls) {
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})cpp");
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}
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TEST_F(DefineInlineTest, TransformNestedNamespaces) {
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EXPECT_EQ(apply(R"cpp(
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namespace a {
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void bar();
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namespace b {
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void baz();
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namespace c {
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void aux();
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}
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}
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}
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void foo();
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using namespace a;
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using namespace b;
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using namespace c;
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void f^oo() {
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bar();
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a::bar();
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baz();
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b::baz();
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a::b::baz();
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aux();
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c::aux();
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b::c::aux();
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a::b::c::aux();
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})cpp"), R"cpp(
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namespace a {
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void bar();
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namespace b {
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void baz();
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namespace c {
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void aux();
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}
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}
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}
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void foo(){
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a::bar();
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a::bar();
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a::b::baz();
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a::b::baz();
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a::b::baz();
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a::b::c::aux();
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a::b::c::aux();
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a::b::c::aux();
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a::b::c::aux();
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}
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using namespace a;
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using namespace b;
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using namespace c;
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)cpp");
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}
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TEST_F(DefineInlineTest, TransformUsings) {
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EXPECT_EQ(apply(R"cpp(
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namespace a { namespace b { namespace c { void aux(); } } }
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void foo();
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void f^oo() {
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using namespace a;
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using namespace b;
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using namespace c;
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using c::aux;
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namespace d = c;
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})cpp"),
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R"cpp(
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namespace a { namespace b { namespace c { void aux(); } } }
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void foo(){
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using namespace a;
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using namespace a::b;
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using namespace a::b::c;
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using a::b::c::aux;
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namespace d = a::b::c;
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}
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)cpp");
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}
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TEST_F(DefineInlineTest, TransformDecls) {
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EXPECT_EQ(apply(R"cpp(
|
||||
void foo();
|
||||
void f^oo() {
|
||||
class Foo {
|
||||
public:
|
||||
void foo();
|
||||
int x;
|
||||
static int y;
|
||||
};
|
||||
Foo::y = 0;
|
||||
|
||||
enum En { Zero, One };
|
||||
En x = Zero;
|
||||
|
||||
enum class EnClass { Zero, One };
|
||||
EnClass y = EnClass::Zero;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
void foo(){
|
||||
class Foo {
|
||||
public:
|
||||
void foo();
|
||||
int x;
|
||||
static int y;
|
||||
};
|
||||
Foo::y = 0;
|
||||
|
||||
enum En { Zero, One };
|
||||
En x = Zero;
|
||||
|
||||
enum class EnClass { Zero, One };
|
||||
EnClass y = EnClass::Zero;
|
||||
}
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformTemplDecls) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {
|
||||
public:
|
||||
void bar();
|
||||
};
|
||||
template <typename T> T bar;
|
||||
template <typename T> void aux() {}
|
||||
}
|
||||
|
||||
void foo();
|
||||
|
||||
using namespace a;
|
||||
void f^oo() {
|
||||
bar<Bar<int>>.bar();
|
||||
aux<Bar<int>>();
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {
|
||||
public:
|
||||
void bar();
|
||||
};
|
||||
template <typename T> T bar;
|
||||
template <typename T> void aux() {}
|
||||
}
|
||||
|
||||
void foo(){
|
||||
a::bar<a::Bar<int>>.bar();
|
||||
a::aux<a::Bar<int>>();
|
||||
}
|
||||
|
||||
using namespace a;
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformMembers) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
class Foo {
|
||||
void foo();
|
||||
};
|
||||
|
||||
void Foo::f^oo() {
|
||||
return;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
class Foo {
|
||||
void foo(){
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
)cpp");
|
||||
|
||||
ExtraFiles["a.h"] = R"cpp(
|
||||
class Foo {
|
||||
void foo();
|
||||
};)cpp";
|
||||
|
||||
llvm::StringMap<std::string> EditedFiles;
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
#include "a.h"
|
||||
void Foo::f^oo() {
|
||||
return;
|
||||
})cpp",
|
||||
&EditedFiles),
|
||||
R"cpp(
|
||||
#include "a.h"
|
||||
)cpp");
|
||||
EXPECT_THAT(EditedFiles,
|
||||
ElementsAre(FileWithContents(testPath("a.h"),
|
||||
R"cpp(
|
||||
class Foo {
|
||||
void foo(){
|
||||
return;
|
||||
}
|
||||
};)cpp")));
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformDependentTypes) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {};
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
void foo();
|
||||
|
||||
using namespace a;
|
||||
template <typename T>
|
||||
void f^oo() {
|
||||
Bar<T> B;
|
||||
Bar<Bar<T>> q;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {};
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
void foo(){
|
||||
a::Bar<T> B;
|
||||
a::Bar<a::Bar<T>> q;
|
||||
}
|
||||
|
||||
using namespace a;
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformFunctionTempls) {
|
||||
// Check we select correct specialization decl.
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
template <typename T>
|
||||
void foo(T p);
|
||||
|
||||
template <>
|
||||
void foo<int>(int p);
|
||||
|
||||
template <>
|
||||
void foo<char>(char p);
|
||||
|
||||
template <>
|
||||
void fo^o<int>(int p) {
|
||||
return;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
template <typename T>
|
||||
void foo(T p);
|
||||
|
||||
template <>
|
||||
void foo<int>(int p){
|
||||
return;
|
||||
}
|
||||
|
||||
template <>
|
||||
void foo<char>(char p);
|
||||
|
||||
)cpp");
|
||||
|
||||
// Make sure we are not selecting the first specialization all the time.
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
template <typename T>
|
||||
void foo(T p);
|
||||
|
||||
template <>
|
||||
void foo<int>(int p);
|
||||
|
||||
template <>
|
||||
void foo<char>(char p);
|
||||
|
||||
template <>
|
||||
void fo^o<char>(char p) {
|
||||
return;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
template <typename T>
|
||||
void foo(T p);
|
||||
|
||||
template <>
|
||||
void foo<int>(int p);
|
||||
|
||||
template <>
|
||||
void foo<char>(char p){
|
||||
return;
|
||||
}
|
||||
|
||||
)cpp");
|
||||
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
template <typename T>
|
||||
void foo(T p);
|
||||
|
||||
template <>
|
||||
void foo<int>(int p);
|
||||
|
||||
template <typename T>
|
||||
void fo^o(T p) {
|
||||
return;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
template <typename T>
|
||||
void foo(T p){
|
||||
return;
|
||||
}
|
||||
|
||||
template <>
|
||||
void foo<int>(int p);
|
||||
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformTypeLocs) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {
|
||||
public:
|
||||
template <typename Q> class Baz {};
|
||||
};
|
||||
class Foo{};
|
||||
}
|
||||
|
||||
void foo();
|
||||
|
||||
using namespace a;
|
||||
void f^oo() {
|
||||
Bar<int> B;
|
||||
Foo foo;
|
||||
a::Bar<Bar<int>>::Baz<Bar<int>> q;
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {
|
||||
public:
|
||||
template <typename Q> class Baz {};
|
||||
};
|
||||
class Foo{};
|
||||
}
|
||||
|
||||
void foo(){
|
||||
a::Bar<int> B;
|
||||
a::Foo foo;
|
||||
a::Bar<a::Bar<int>>::Baz<a::Bar<int>> q;
|
||||
}
|
||||
|
||||
using namespace a;
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformDeclRefs) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {
|
||||
public:
|
||||
void foo();
|
||||
static void bar();
|
||||
int x;
|
||||
static int y;
|
||||
};
|
||||
void bar();
|
||||
void test();
|
||||
}
|
||||
|
||||
void foo();
|
||||
using namespace a;
|
||||
void f^oo() {
|
||||
a::Bar<int> B;
|
||||
B.foo();
|
||||
a::bar();
|
||||
Bar<Bar<int>>::bar();
|
||||
a::Bar<int>::bar();
|
||||
B.x = Bar<int>::y;
|
||||
Bar<int>::y = 3;
|
||||
bar();
|
||||
a::test();
|
||||
})cpp"),
|
||||
R"cpp(
|
||||
namespace a {
|
||||
template <typename T> class Bar {
|
||||
public:
|
||||
void foo();
|
||||
static void bar();
|
||||
int x;
|
||||
static int y;
|
||||
};
|
||||
void bar();
|
||||
void test();
|
||||
}
|
||||
|
||||
void foo(){
|
||||
a::Bar<int> B;
|
||||
B.foo();
|
||||
a::bar();
|
||||
a::Bar<a::Bar<int>>::bar();
|
||||
a::Bar<int>::bar();
|
||||
B.x = a::Bar<int>::y;
|
||||
a::Bar<int>::y = 3;
|
||||
a::bar();
|
||||
a::test();
|
||||
}
|
||||
using namespace a;
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, StaticMembers) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
namespace ns { class X { static void foo(); void bar(); }; }
|
||||
void ns::X::b^ar() {
|
||||
foo();
|
||||
})cpp"), R"cpp(
|
||||
namespace ns { class X { static void foo(); void bar(){
|
||||
foo();
|
||||
} }; }
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TransformInlineNamespaces) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
namespace a { inline namespace b { namespace { struct Foo{}; } } }
|
||||
void foo();
|
||||
|
||||
using namespace a;
|
||||
void ^foo() {Foo foo;})cpp"), R"cpp(
|
||||
namespace a { inline namespace b { namespace { struct Foo{}; } } }
|
||||
void foo(){a::Foo foo;}
|
||||
|
||||
using namespace a;
|
||||
)cpp");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, TokensBeforeSemicolon) {
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
void foo() /*Comment -_-*/ /*Com 2*/ ;
|
||||
void fo^o() { return ; })cpp"),
|
||||
R"cpp(
|
||||
void foo() /*Comment -_-*/ /*Com 2*/ { return ; }
|
||||
)cpp");
|
||||
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
void foo();
|
||||
void fo^o() { return ; })cpp"),
|
||||
R"cpp(
|
||||
void foo(){ return ; }
|
||||
)cpp");
|
||||
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
#define SEMI ;
|
||||
void foo() SEMI
|
||||
void fo^o() { return ; })cpp"),
|
||||
"fail: Couldn't find semicolon for target declaration.");
|
||||
}
|
||||
|
||||
TEST_F(DefineInlineTest, HandleMacros) {
|
||||
EXPECT_UNAVAILABLE(R"cpp(
|
||||
#define BODY { return; }
|
||||
void foo();
|
||||
void f^oo()BODY)cpp");
|
||||
|
||||
EXPECT_UNAVAILABLE(R"cpp(
|
||||
#define BODY void foo(){ return; }
|
||||
void foo();
|
||||
[[BODY]])cpp");
|
||||
|
||||
// We don't qualify declarations coming from macros.
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
#define BODY Foo
|
||||
namespace a { class Foo{}; }
|
||||
void foo();
|
||||
using namespace a;
|
||||
void f^oo(){BODY})cpp"),
|
||||
R"cpp(
|
||||
#define BODY Foo
|
||||
namespace a { class Foo{}; }
|
||||
void foo(){BODY}
|
||||
using namespace a;
|
||||
)cpp");
|
||||
|
||||
// Macro is not visible at declaration location, but we proceed.
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
void foo();
|
||||
#define BODY return;
|
||||
void f^oo(){BODY})cpp"),
|
||||
R"cpp(
|
||||
void foo(){BODY}
|
||||
#define BODY return;
|
||||
)cpp");
|
||||
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
#define TARGET void foo()
|
||||
TARGET;
|
||||
void f^oo(){ return; })cpp"),
|
||||
R"cpp(
|
||||
#define TARGET void foo()
|
||||
TARGET{ return; }
|
||||
)cpp");
|
||||
|
||||
EXPECT_EQ(apply(R"cpp(
|
||||
#define TARGET foo
|
||||
void TARGET();
|
||||
void f^oo(){ return; })cpp"),
|
||||
R"cpp(
|
||||
#define TARGET foo
|
||||
void TARGET(){ return; }
|
||||
)cpp");
|
||||
}
|
||||
|
||||
} // namespace
|
||||
} // namespace clangd
|
||||
} // namespace clang
|
||||
|
|
Loading…
Reference in New Issue