[Parse] Remove initializes and accesses attr parse code

Author: LucianoPAlmeida

include/swift/Parse/Parser.h

@@ -1274,10 +1274,6 @@ class Parser {
                                        AccessorKind currentKind,
                                        SourceLoc const& currentLoc);
 
-  ParserStatus parseInitAccessorEffects(ParsedAccessors &accessors,
-                                        AccessorKind currentKind,
-                                        DeclAttributes &Attributes);
-
   /// Parse accessors provided as a separate list, for use in macro
   /// expansions.
   void parseTopLevelAccessors(

lib/Parse/ParseDecl.cpp

@@ -3523,14 +3523,6 @@ ParserStatus Parser::parseNewDeclAttribute(DeclAttributes &Attributes,
     break;
     }
 
-  case DAK_Initializes: {
-    llvm_unreachable("InitializesAttr not yet implemented");
-  }
-
-  case DAK_Accesses: {
-    llvm_unreachable("AccessesAttr not yet implemented");
-  }
-
   case DAK_StorageRestrictions: {
     ParserResult<StorageRestrictionsAttr> Attr =
         parseStorageRestrictionsAttribute(AtLoc, Loc);
@@ -7446,71 +7438,6 @@ ParserStatus Parser::parseGetEffectSpecifier(ParsedAccessors &accessors,
   return Status;
 }
 
-template <typename EffectAttr>
-static ParserStatus parseInitAccessorEffect(Parser &P,
-                                            DeclAttributes &attributes,
-                                            StringRef attrName) {
-  ParserStatus status;
-
-  if (P.Tok.isContextualKeyword(attrName)) {
-    auto effectLoc = P.consumeToken();
-    if (!P.Tok.is(tok::l_paren)) {
-      P.diagnose(P.Tok.getLoc(), diag::attr_expected_lparen,
-                 attrName, true);
-      status.setIsParseError();
-      return status;
-    }
-
-    // Consume '('
-    P.consumeToken();
-
-    bool hasNextProperty = false;
-    // Consume the identifier list
-    SmallVector<Identifier, 4> properties;
-    do {
-      Identifier propertyName;
-      SourceLoc propertyNameLoc;
-      if (P.parseIdentifier(propertyName, propertyNameLoc,
-                            diag::init_accessor_expected_name,
-                            /*diagnoseDollarPrefix=*/true)) {
-        status.setIsParseError();
-        return status;
-      }
-
-      properties.push_back(propertyName);
-
-      // Parse the comma, if the list continues.
-      hasNextProperty = P.consumeIf(tok::comma);
-    } while (hasNextProperty);
-
-    if (!P.Tok.is(tok::r_paren)) {
-      P.diagnose(P.Tok.getLoc(), diag::attr_expected_rparen,
-                 attrName, true);
-      status.setIsParseError();
-      return status;
-    }
-
-    // Consume ')'
-    SourceLoc rParenLoc = P.consumeToken();
-
-    auto *attr = EffectAttr::create(P.Context, SourceLoc(),
-                                    SourceRange(effectLoc, rParenLoc),
-                                    properties);
-    attributes.add(attr);
-  }
-
-  return status;
-}
-
-ParserStatus Parser::parseInitAccessorEffects(ParsedAccessors &accessors,
-                                              AccessorKind currentKind,
-                                              DeclAttributes &attrs) {
-  ParserStatus status;
-  status |= parseInitAccessorEffect<InitializesAttr>(*this, attrs, "initializes");
-  status |= parseInitAccessorEffect<AccessesAttr>(*this, attrs, "accesses");
-  return status;
-}
-
 bool Parser::parseAccessorAfterIntroducer(
     SourceLoc Loc, AccessorKind Kind, ParsedAccessors &accessors,
     bool &hasEffectfulGet, ParameterList *Indices, bool &parsingLimitedSyntax,
@@ -7525,7 +7452,6 @@ bool Parser::parseAccessorAfterIntroducer(
   SourceLoc throwsLoc;
   Status |= parseGetEffectSpecifier(accessors, asyncLoc, throwsLoc,
                                     hasEffectfulGet, Kind, Loc);
-  Status |= parseInitAccessorEffects(accessors, Kind, Attributes);
 
   // Set up a function declaration.
   auto accessor =