Merge pull request #18848 from ahoppen/remove-reuse-regions

[SourceKit] Remove option to regions reused as part of incremental parsing

Author: ahoppen

tools/SourceKit/include/SourceKit/Core/LangSupport.h

@@ -273,10 +273,6 @@ class EditorConsumer {
   }
   virtual SyntaxTreeTransferMode syntaxTreeTransferMode() = 0;
 
-  virtual bool syntaxReuseInfoEnabled() = 0;
-  virtual void
-  handleSyntaxReuseRegions(std::vector<SourceFileRange> ReuseRegions) = 0;
-
   virtual void finished() {}
 };
 

tools/SourceKit/lib/SwiftLang/SwiftEditor.cpp

@@ -2265,44 +2265,23 @@ void SwiftLangSupport::editorReplaceText(StringRef Name,
     EditorDoc->readSyntaxInfo(Consumer);
 
     // Log reuse information
-    if (SyntaxCache.hasValue()) {
-      // Avoid computing the reused ranges if the consumer doesn't care about
-      // them
-      if (Consumer.syntaxReuseInfoEnabled()) {
-        auto &SyntaxTree = EditorDoc->getSyntaxTree();
-        auto ReuseRegions = SyntaxCache->getReusedRegions(*SyntaxTree);
-
-        // Abstract away from SyntaxReuseRegions to std::pair<unsigned, unsigned>
-        // so that SourceKit doesn't have to import swiftParse
-        std::vector<SourceFileRange> ReuseRegionOffsets;
-        ReuseRegionOffsets.reserve(ReuseRegions.size());
-        for (auto ReuseRegion : ReuseRegions) {
-          auto Start = ReuseRegion.Start.getOffset();
-          auto End = ReuseRegion.End.getOffset();
-          ReuseRegionOffsets.push_back({Start, End});
-        }
-        Consumer.handleSyntaxReuseRegions(ReuseRegionOffsets);
-      }
-      if (LogReuseRegions) {
-        auto &SyntaxTree = EditorDoc->getSyntaxTree();
-        auto ReuseRegions = SyntaxCache->getReusedRegions(*SyntaxTree);
-        LOG_SECTION("SyntaxCache", InfoHighPrio) {
-          Log->getOS() << "Reused ";
-
-          bool FirstIteration = true;
-          for (auto ReuseRegion : ReuseRegions) {
-            if (!FirstIteration) {
-              Log->getOS() << ", ";
-            } else {
-              FirstIteration = false;
-            }
+    if (SyntaxCache.hasValue() && LogReuseRegions) {
+      auto &SyntaxTree = EditorDoc->getSyntaxTree();
+      auto ReuseRegions = SyntaxCache->getReusedRegions(*SyntaxTree);
+      LOG_SECTION("SyntaxCache", InfoHighPrio) {
+        Log->getOS() << "Reused ";
 
-            Log->getOS() << ReuseRegion.Start << " - " << ReuseRegion.End;
+        bool FirstIteration = true;
+        for (auto ReuseRegion : ReuseRegions) {
+          if (!FirstIteration) {
+            Log->getOS() << ", ";
+          } else {
+            FirstIteration = false;
           }
+
+          Log->getOS() << ReuseRegion.Start << " - " << ReuseRegion.End;
         }
       }
-    } else {
-      Consumer.handleSyntaxReuseRegions({});
     }
 
     if (Consumer.syntaxTreeEnabled()) {

tools/SourceKit/tools/sourcekitd/lib/API/Requests.cpp

@@ -81,7 +81,6 @@ struct SKEditorConsumerOptions {
   SyntaxTreeSerializationFormat SyntaxSerializationFormat =
       SyntaxTreeSerializationFormat::JSON;
   bool SyntacticOnly = false;
-  bool EnableSyntaxReuseInfo = false;
 };
 
 } // anonymous namespace
@@ -471,9 +470,6 @@ void handleRequestImpl(sourcekitd_object_t ReqObj, ResponseReceiver Rec) {
     auto SerializationFormatUID = Req.getUID(KeySyntaxTreeSerializationFormat);
     int64_t SyntacticOnly = false;
     Req.getInt64(KeySyntacticOnly, SyntacticOnly, /*isOptional=*/true);
-    int64_t EnableSyntaxReuseInfo = false;
-    Req.getInt64(KeyEnableSyntaxReuseRegions, EnableSyntaxReuseInfo,
-                 /*isOptional=*/true);
 
     SKEditorConsumerOptions Opts;
     Opts.EnableSyntaxMap = EnableSyntaxMap;
@@ -486,7 +482,6 @@ void handleRequestImpl(sourcekitd_object_t ReqObj, ResponseReceiver Rec) {
       return Rec(createErrorRequestFailed("Invalid serialization format"));
     Opts.SyntaxSerializationFormat = SyntaxSerializationFormat.getValue();
     Opts.SyntacticOnly = SyntacticOnly;
-    Opts.EnableSyntaxReuseInfo = EnableSyntaxReuseInfo;
     return Rec(editorOpen(*Name, InputBuf.get(), Opts, Args));
   }
   if (ReqUID == RequestEditorClose) {
@@ -519,9 +514,6 @@ void handleRequestImpl(sourcekitd_object_t ReqObj, ResponseReceiver Rec) {
     Req.getInt64(KeyEnableDiagnostics, EnableDiagnostics, /*isOptional=*/true);
     int64_t SyntacticOnly = false;
     Req.getInt64(KeySyntacticOnly, SyntacticOnly, /*isOptional=*/true);
-    int64_t EnableSyntaxReuseInfo = false;
-    Req.getInt64(KeyEnableSyntaxReuseRegions, EnableSyntaxReuseInfo,
-                 /*isOptional=*/true);
     auto TransferModeUID = Req.getUID(KeySyntaxTreeTransferMode);
     auto SerializationFormatUID = Req.getUID(KeySyntaxTreeSerializationFormat);
 
@@ -535,9 +527,7 @@ void handleRequestImpl(sourcekitd_object_t ReqObj, ResponseReceiver Rec) {
     if (!SyntaxSerializationFormat)
       return Rec(createErrorRequestFailed("Invalid serialization format"));
     Opts.SyntaxSerializationFormat = SyntaxSerializationFormat.getValue();
-    Opts.EnableSyntaxReuseInfo = EnableSyntaxReuseInfo;
     Opts.SyntacticOnly = SyntacticOnly;
-    Opts.EnableSyntaxReuseInfo = EnableSyntaxReuseInfo;
 
     return Rec(editorReplaceText(*Name, InputBuf.get(), Offset, Length, Opts));
   }
@@ -2120,10 +2110,6 @@ class SKEditorConsumer : public EditorConsumer {
   void handleSyntaxTree(const swift::syntax::SourceFileSyntax &SyntaxTree,
                         std::unordered_set<unsigned> &ReusedNodeIds) override;
 
-  bool syntaxReuseInfoEnabled() override { return Opts.EnableSyntaxReuseInfo; }
-  void
-  handleSyntaxReuseRegions(std::vector<SourceFileRange> ReuseRegions) override;
-
   SyntaxTreeTransferMode syntaxTreeTransferMode() override {
     return Opts.SyntaxTransferMode;
   }
@@ -2537,19 +2523,6 @@ void SKEditorConsumer::handleSyntaxTree(
   }
 }
 
-void SKEditorConsumer::handleSyntaxReuseRegions(
-    std::vector<SourceFileRange> ReuseRegions) {
-  if (Opts.EnableSyntaxReuseInfo) {
-    auto Array = Dict.setArray(KeySyntaxReuseRegions);
-
-    for (auto Region : ReuseRegions) {
-      auto SubDict = Array.appendDictionary();
-      SubDict.set(KeyOffset, Region.Start);
-      SubDict.set(KeyLength, Region.End - Region.Start);
-    }
-  }
-}
-
 static sourcekitd_response_t
 editorFindUSR(StringRef DocumentName, StringRef USR) {
   ResponseBuilder RespBuilder;

unittests/SourceKit/SwiftLang/CursorInfoTest.cpp

@@ -85,12 +85,6 @@ class NullEditorConsumer : public EditorConsumer {
     return SyntaxTreeTransferMode::Off;
   }
 
-  bool syntaxReuseInfoEnabled() override { return false; }
-
-  void
-  handleSyntaxReuseRegions(std::vector<SourceFileRange> ReuseRegions) override {
-  }
-
 public:
   bool needsSema = false;
 };

unittests/SourceKit/SwiftLang/EditingTest.cpp

@@ -93,11 +93,6 @@ class DiagConsumer : public EditorConsumer {
     return SyntaxTreeTransferMode::Off;
   }
 
-  bool syntaxReuseInfoEnabled() override { return false; }
-
-  void
-  handleSyntaxReuseRegions(std::vector<SourceFileRange> ReuseRegions) override {
-  }
 };
 
 struct DocUpdateMutexState {

utils/gyb_sourcekit_support/UIDs.py

@@ -47,9 +47,7 @@ def __init__(self, internal_name, external_name):
     KEY('Length', 'key.length'),
     KEY('SourceFile', 'key.sourcefile'),
     KEY('SerializedSyntaxTree', 'key.serialized_syntax_tree'),
-    KEY('SyntaxReuseRegions', 'key.syntaxreuseregions'),
     KEY('SourceText', 'key.sourcetext'),
-    KEY('EnableSyntaxReuseRegions', 'key.enablesyntaxreuseregions'),
     KEY('EnableSyntaxMap', 'key.enablesyntaxmap'),
     KEY('SyntaxTreeTransferMode', 'key.syntaxtreetransfermode'),
     KEY('SyntaxTreeSerializationFormat',