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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/AST/ASTContext.h"
#include "swift/AST/DiagnosticsRefactoring.h"
#include "swift/AST/SourceFile.h"
#include "swift/Frontend/PrintingDiagnosticConsumer.h"
#include "swift/IDE/IDEBridging.h"
#include "swift/Parse/Lexer.h"
#include "swift/Refactoring/Refactoring.h"
using namespace swift;
using namespace swift::ide;
#if SWIFT_BUILD_SWIFT_SYNTAX
std::vector<ResolvedAndRenameLoc>
swift::ide::resolveRenameLocations(ArrayRef<RenameLoc> RenameLocs,
StringRef NewName, SourceFile &SF,
DiagnosticEngine &Diags) {
SourceManager &SM = SF.getASTContext().SourceMgr;
unsigned BufferID = SF.getBufferID().value();
std::vector<SourceLoc> UnresolvedLocs;
for (const RenameLoc &RenameLoc : RenameLocs) {
DeclNameViewer OldName(RenameLoc.OldName);
SourceLoc Location =
SM.getLocForLineCol(BufferID, RenameLoc.Line, RenameLoc.Column);
if (!OldName.isValid()) {
Diags.diagnose(Location, diag::invalid_name, RenameLoc.OldName);
return {};
}
if (!NewName.empty()) {
DeclNameViewer NewDeclName(NewName);
ArrayRef<StringRef> ParamNames = NewDeclName.args();
bool newOperator = Lexer::isOperator(NewDeclName.base());
bool NewNameIsValid =
NewDeclName.isValid() &&
(Lexer::isIdentifier(NewDeclName.base()) || newOperator) &&
std::all_of(ParamNames.begin(), ParamNames.end(),
[](StringRef Label) {
return Label.empty() || Lexer::isIdentifier(Label);
});
if (!NewNameIsValid) {
Diags.diagnose(Location, diag::invalid_name, NewName);
return {};
}
if (NewDeclName.partsCount() != OldName.partsCount()) {
Diags.diagnose(Location, diag::arity_mismatch, NewName,
RenameLoc.OldName);
return {};
}
if (RenameLoc.Usage == RenameLocUsage::Call && !OldName.isFunction()) {
Diags.diagnose(Location, diag::name_not_functionlike, NewName);
return {};
}
}
UnresolvedLocs.push_back({Location});
}
assert(UnresolvedLocs.size() == RenameLocs.size());
std::vector<ResolvedLoc> resolvedLocsInSourceOrder =
runNameMatcher(SF, UnresolvedLocs);
// Callers need to corrolate the `ResolvedLoc` with the `RenameLoc` that they
// originated from. Match them.
std::vector<ResolvedAndRenameLoc> resolvedAndRenameLocs;
for (auto [unresolvedLoc, renameLoc] :
llvm::zip_equal(UnresolvedLocs, RenameLocs)) {
auto found = llvm::find_if(
resolvedLocsInSourceOrder,
[unresolvedLoc = unresolvedLoc](const ResolvedLoc &resolved) {
return resolved.range.getStart() == unresolvedLoc;
});
ResolvedLoc resolvedLoc;
if (found == resolvedLocsInSourceOrder.end()) {
resolvedLoc =
ResolvedLoc(CharSourceRange(),
/*LabelRanges=*/{}, std::nullopt, LabelRangeType::None,
/*IsActive=*/true, ResolvedLocContext::Comment);
} else {
resolvedLoc = *found;
}
resolvedAndRenameLocs.push_back({renameLoc, resolvedLoc});
}
return resolvedAndRenameLocs;
}
#endif
CancellableResult<std::vector<SyntacticRenameRangeDetails>>
swift::ide::findSyntacticRenameRanges(SourceFile *SF,
ArrayRef<RenameLoc> RenameLocs,
StringRef NewName) {
using ResultType =
CancellableResult<std::vector<SyntacticRenameRangeDetails>>;
#if !SWIFT_BUILD_SWIFT_SYNTAX
return ResultType::failure("find-syntactic-rename-ranges is not supported because sourcekitd was built without swift-syntax");
#else
assert(SF && "null source file");
SourceManager &SM = SF->getASTContext().SourceMgr;
DiagnosticEngine DiagEngine(SM);
std::string ErrBuffer;
llvm::raw_string_ostream DiagOS(ErrBuffer);
swift::PrintingDiagnosticConsumer DiagConsumer(DiagOS);
DiagEngine.addConsumer(DiagConsumer);
auto ResolvedAndRenameLocs =
resolveRenameLocations(RenameLocs, NewName, *SF, DiagEngine);
if (ResolvedAndRenameLocs.size() != RenameLocs.size() ||
DiagConsumer.didErrorOccur())
return ResultType::failure(ErrBuffer);
std::vector<SyntacticRenameRangeDetails> Result;
for (const ResolvedAndRenameLoc &Loc : ResolvedAndRenameLocs) {
SyntacticRenameRangeDetails Details = getSyntacticRenameRangeDetails(
SM, Loc.renameLoc.OldName, Loc.resolved, Loc.renameLoc);
if (Details.Type == RegionType::Mismatch) {
DiagEngine.diagnose(Loc.resolved.range.getStart(),
diag::mismatched_rename, NewName);
Result.emplace_back(SyntacticRenameRangeDetails{Details.Type, {}});
} else {
Result.push_back(Details);
}
}
if (DiagConsumer.didErrorOccur())
return ResultType::failure(ErrBuffer);
return ResultType::success(Result);
#endif
}
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