Move Extract.cpp that wasn't moved in r317343

llvm-svn: 317344

1 files changed, 0 insertions, 199 deletions

diff --git a/clang/lib/Tooling/Refactoring/Extract.cpp b/clang/lib/Tooling/Refactoring/Extract.cpp
deleted file mode 100644
index b0847a74004..00000000000
--- a/clang/lib/Tooling/Refactoring/Extract.cpp
+++ /dev/null
@@ -1,199 +0,0 @@
-//===--- Extract.cpp - Clang refactoring library --------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// \brief Implements the "extract" refactoring that can pull code into
-/// new functions, methods or declare new variables.
-///
-//===----------------------------------------------------------------------===//
-
-#include "clang/Tooling/Refactoring/Extract/Extract.h"
-#include "SourceExtraction.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/Expr.h"
-#include "clang/AST/ExprObjC.h"
-#include "clang/Rewrite/Core/Rewriter.h"
-
-namespace clang {
-namespace tooling {
-
-namespace {
-
-/// Returns true if \c E is a simple literal or a reference expression that
-/// should not be extracted.
-bool isSimpleExpression(const Expr *E) {
-  if (!E)
-    return false;
-  switch (E->IgnoreParenCasts()->getStmtClass()) {
-  case Stmt::DeclRefExprClass:
-  case Stmt::PredefinedExprClass:
-  case Stmt::IntegerLiteralClass:
-  case Stmt::FloatingLiteralClass:
-  case Stmt::ImaginaryLiteralClass:
-  case Stmt::CharacterLiteralClass:
-  case Stmt::StringLiteralClass:
-    return true;
-  default:
-    return false;
-  }
-}
-
-SourceLocation computeFunctionExtractionLocation(const Decl *D) {
-  if (isa<CXXMethodDecl>(D)) {
-    // Code from method that is defined in class body should be extracted to a
-    // function defined just before the class.
-    while (const auto *RD = dyn_cast<CXXRecordDecl>(D->getLexicalDeclContext()))
-      D = RD;
-  }
-  return D->getLocStart();
-}
-
-} // end anonymous namespace
-
-const RefactoringDescriptor &ExtractFunction::describe() {
-  static const RefactoringDescriptor Descriptor = {
-      "extract-function",
-      "Extract Function",
-      "(WIP action; use with caution!) Extracts code into a new function",
-  };
-  return Descriptor;
-}
-
-Expected<ExtractFunction>
-ExtractFunction::initiate(RefactoringRuleContext &Context,
-                          CodeRangeASTSelection Code,
-                          Optional<std::string> DeclName) {
-  // We would like to extract code out of functions/methods/blocks.
-  // Prohibit extraction from things like global variable / field
-  // initializers and other top-level expressions.
-  if (!Code.isInFunctionLikeBodyOfCode())
-    return Context.createDiagnosticError(
-        diag::err_refactor_code_outside_of_function);
-
-  if (Code.size() == 1) {
-    // Avoid extraction of simple literals and references.
-    if (isSimpleExpression(dyn_cast<Expr>(Code[0])))
-      return Context.createDiagnosticError(
-          diag::err_refactor_extract_simple_expression);
-
-    // Property setters can't be extracted.
-    if (const auto *PRE = dyn_cast<ObjCPropertyRefExpr>(Code[0])) {
-      if (!PRE->isMessagingGetter())
-        return Context.createDiagnosticError(
-            diag::err_refactor_extract_prohibited_expression);
-    }
-  }
-
-  return ExtractFunction(std::move(Code), DeclName);
-}
-
-// FIXME: Support C++ method extraction.
-// FIXME: Support Objective-C method extraction.
-Expected<AtomicChanges>
-ExtractFunction::createSourceReplacements(RefactoringRuleContext &Context) {
-  const Decl *ParentDecl = Code.getFunctionLikeNearestParent();
-  assert(ParentDecl && "missing parent");
-
-  // Compute the source range of the code that should be extracted.
-  SourceRange ExtractedRange(Code[0]->getLocStart(),
-                             Code[Code.size() - 1]->getLocEnd());
-  // FIXME (Alex L): Add code that accounts for macro locations.
-
-  ASTContext &AST = Context.getASTContext();
-  SourceManager &SM = AST.getSourceManager();
-  const LangOptions &LangOpts = AST.getLangOpts();
-  Rewriter ExtractedCodeRewriter(SM, LangOpts);
-
-  // FIXME: Capture used variables.
-
-  // Compute the return type.
-  QualType ReturnType = AST.VoidTy;
-  // FIXME (Alex L): Account for the return statement in extracted code.
-  // FIXME (Alex L): Check for lexical expression instead.
-  bool IsExpr = Code.size() == 1 && isa<Expr>(Code[0]);
-  if (IsExpr) {
-    // FIXME (Alex L): Get a more user-friendly type if needed.
-    ReturnType = cast<Expr>(Code[0])->getType();
-  }
-
-  // FIXME: Rewrite the extracted code performing any required adjustments.
-
-  // FIXME: Capture any field if necessary (method -> function extraction).
-
-  // FIXME: Sort captured variables by name.
-
-  // FIXME: Capture 'this' / 'self' if necessary.
-
-  // FIXME: Compute the actual parameter types.
-
-  // Compute the location of the extracted declaration.
-  SourceLocation ExtractedDeclLocation =
-      computeFunctionExtractionLocation(ParentDecl);
-  // FIXME: Adjust the location to account for any preceding comments.
-
-  // FIXME: Adjust with PP awareness like in Sema to get correct 'bool'
-  // treatment.
-  PrintingPolicy PP = AST.getPrintingPolicy();
-  // FIXME: PP.UseStdFunctionForLambda = true;
-  PP.SuppressStrongLifetime = true;
-  PP.SuppressLifetimeQualifiers = true;
-  PP.SuppressUnwrittenScope = true;
-
-  ExtractionSemicolonPolicy Semicolons = ExtractionSemicolonPolicy::compute(
-      Code[Code.size() - 1], ExtractedRange, SM, LangOpts);
-  AtomicChange Change(SM, ExtractedDeclLocation);
-  // Create the replacement for the extracted declaration.
-  {
-    std::string ExtractedCode;
-    llvm::raw_string_ostream OS(ExtractedCode);
-    // FIXME: Use 'inline' in header.
-    OS << "static ";
-    ReturnType.print(OS, PP, DeclName);
-    OS << '(';
-    // FIXME: Arguments.
-    OS << ')';
-
-    // Function body.
-    OS << " {\n";
-    if (IsExpr && !ReturnType->isVoidType())
-      OS << "return ";
-    OS << ExtractedCodeRewriter.getRewrittenText(ExtractedRange);
-    if (Semicolons.isNeededInExtractedFunction())
-      OS << ';';
-    OS << "\n}\n\n";
-    auto Err = Change.insert(SM, ExtractedDeclLocation, OS.str());
-    if (Err)
-      return std::move(Err);
-  }
-
-  // Create the replacement for the call to the extracted declaration.
-  {
-    std::string ReplacedCode;
-    llvm::raw_string_ostream OS(ReplacedCode);
-
-    OS << DeclName << '(';
-    // FIXME: Forward arguments.
-    OS << ')';
-    if (Semicolons.isNeededInOriginalFunction())
-      OS << ';';
-
-    auto Err = Change.replace(
-        SM, CharSourceRange::getTokenRange(ExtractedRange), OS.str());
-    if (Err)
-      return std::move(Err);
-  }
-
-  // FIXME: Add support for assocciated symbol location to AtomicChange to mark
-  // the ranges of the name of the extracted declaration.
-  return AtomicChanges{std::move(Change)};
-}
-
-} // end namespace tooling
-} // end namespace clang