Replaced bool parameters in SkipUntil function with single bit-based parameter.

llvm-svn: 194994

1 files changed, 46 insertions, 41 deletions

diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index 36d704d31a9..77c1fe9caaf 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -124,11 +124,11 @@ void Parser::ParseGNUAttributes(ParsedAttributes &attrs,
     ConsumeToken();
     if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after,
                          "attribute")) {
-      SkipUntil(tok::r_paren, true); // skip until ) or ;
+      SkipUntil(tok::r_paren, StopAtSemi); // skip until ) or ;
       return;
     }
     if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, "(")) {
-      SkipUntil(tok::r_paren, true); // skip until ) or ;
+      SkipUntil(tok::r_paren, StopAtSemi); // skip until ) or ;
       return;
     }
     // Parse the attribute-list. e.g. __attribute__(( weak, alias("__f") ))
@@ -172,10 +172,10 @@ void Parser::ParseGNUAttributes(ParsedAttributes &attrs,
       }
     }
     if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen))
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
     SourceLocation Loc = Tok.getLocation();
     if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen))
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
     if (endLoc)
       *endLoc = Loc;
   }
@@ -306,7 +306,7 @@ void Parser::ParseGNUAttributeArgs(IdentifierInfo *AttrName,
     while (1) {
       ExprResult ArgExpr(ParseAssignmentExpression());
       if (ArgExpr.isInvalid()) {
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return;
       }
       ArgExprs.push_back(ArgExpr.release());
@@ -682,7 +682,8 @@ VersionTuple Parser::ParseVersionTuple(SourceRange &Range) {
 
   if (!Tok.is(tok::numeric_constant)) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -710,7 +711,8 @@ VersionTuple Parser::ParseVersionTuple(SourceRange &Range) {
 
   if (AfterMajor == 0) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -728,7 +730,8 @@ VersionTuple Parser::ParseVersionTuple(SourceRange &Range) {
 
   if (ThisTokBegin[AfterMajor] != '.' || (AfterMajor + 1 == ActualLength)) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -755,7 +758,8 @@ VersionTuple Parser::ParseVersionTuple(SourceRange &Range) {
   // If what follows is not a '.', we have a problem.
   if (ThisTokBegin[AfterMinor] != '.') {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
 
@@ -769,7 +773,8 @@ VersionTuple Parser::ParseVersionTuple(SourceRange &Range) {
 
   if (AfterSubminor != ActualLength) {
     Diag(Tok, diag::err_expected_version);
-    SkipUntil(tok::comma, tok::r_paren, true, true, true);
+    SkipUntil(tok::comma, tok::r_paren,
+              StopAtSemi | StopBeforeMatch | StopAtCodeCompletion);
     return VersionTuple();
   }
   ConsumeToken();
@@ -813,7 +818,7 @@ void Parser::ParseAvailabilityAttribute(IdentifierInfo &Availability,
   // Parse the platform name,
   if (Tok.isNot(tok::identifier)) {
     Diag(Tok, diag::err_availability_expected_platform);
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return;
   }
   IdentifierLoc *Platform = ParseIdentifierLoc();
@@ -837,7 +842,7 @@ void Parser::ParseAvailabilityAttribute(IdentifierInfo &Availability,
   do {
     if (Tok.isNot(tok::identifier)) {
       Diag(Tok, diag::err_availability_expected_change);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
     IdentifierInfo *Keyword = Tok.getIdentifierInfo();
@@ -860,7 +865,7 @@ void Parser::ParseAvailabilityAttribute(IdentifierInfo &Availability,
     if (Tok.isNot(tok::equal)) {
       Diag(Tok, diag::err_expected_equal_after)
         << Keyword;
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
     ConsumeToken();
@@ -868,7 +873,7 @@ void Parser::ParseAvailabilityAttribute(IdentifierInfo &Availability,
       if (Tok.isNot(tok::string_literal)) { // Also reject wide string literals.
         Diag(Tok, diag::err_expected_string_literal)
           << /*Source='availability attribute'*/2;
-        SkipUntil(tok::r_paren);
+        SkipUntil(tok::r_paren, StopAtSemi);
         return;
       }
       MessageExpr = ParseStringLiteralExpression();
@@ -879,7 +884,7 @@ void Parser::ParseAvailabilityAttribute(IdentifierInfo &Availability,
     VersionTuple Version = ParseVersionTuple(VersionRange);
 
     if (Version.empty()) {
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
       return;
     }
 
@@ -1260,7 +1265,7 @@ bool Parser::DiagnoseProhibitedCXX11Attribute() {
     // Parse and discard the attributes.
     SourceLocation BeginLoc = ConsumeBracket();
     ConsumeBracket();
-    SkipUntil(tok::r_square, /*StopAtSemi*/ false);
+    SkipUntil(tok::r_square);
     assert(Tok.is(tok::r_square) && "isCXX11AttributeSpecifier lied");
     SourceLocation EndLoc = ConsumeBracket();
     Diag(BeginLoc, diag::err_attributes_not_allowed)
@@ -1491,7 +1496,7 @@ void Parser::SkipMalformedDecl() {
       // Skip until matching }, then stop. We've probably skipped over
       // a malformed class or function definition or similar.
       ConsumeBrace();
-      SkipUntil(tok::r_brace, /*StopAtSemi*/false);
+      SkipUntil(tok::r_brace);
       if (Tok.is(tok::comma) || Tok.is(tok::l_brace) || Tok.is(tok::kw_try)) {
         // This declaration isn't over yet. Keep skipping.
         continue;
@@ -1502,12 +1507,12 @@ void Parser::SkipMalformedDecl() {
 
     case tok::l_square:
       ConsumeBracket();
-      SkipUntil(tok::r_square, /*StopAtSemi*/false);
+      SkipUntil(tok::r_square);
       continue;
 
     case tok::l_paren:
       ConsumeParen();
-      SkipUntil(tok::r_paren, /*StopAtSemi*/false);
+      SkipUntil(tok::r_paren);
       continue;
 
     case tok::r_brace:
@@ -1620,7 +1625,7 @@ Parser::DeclGroupPtrTy Parser::ParseDeclGroup(ParsingDeclSpec &DS,
     } else {
       if (Tok.is(tok::l_brace)) {
         Diag(Tok, diag::err_function_definition_not_allowed);
-        SkipUntil(tok::r_brace, true, true);
+        SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       }
     }
   }
@@ -1711,7 +1716,7 @@ Parser::DeclGroupPtrTy Parser::ParseDeclGroup(ParsingDeclSpec &DS,
     // declaration specifier, just assume it was missing and continue parsing.
     // Otherwise things are very confused and we skip to recover.
     if (!isDeclarationSpecifier()) {
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       if (Tok.is(tok::semi))
         ConsumeToken();
     }
@@ -1728,7 +1733,7 @@ bool Parser::ParseAsmAttributesAfterDeclarator(Declarator &D) {
     SourceLocation Loc;
     ExprResult AsmLabel(ParseSimpleAsm(&Loc));
     if (AsmLabel.isInvalid()) {
-      SkipUntil(tok::semi, true, true);
+      SkipUntil(tok::semi, StopBeforeMatch);
       return true;
     }
 
@@ -1795,7 +1800,7 @@ Decl *Parser::ParseDeclarationAfterDeclaratorAndAttributes(Declarator &D,
       DeclResult ThisRes = Actions.ActOnExplicitInstantiation(
           getCurScope(), TemplateInfo.ExternLoc, TemplateInfo.TemplateLoc, D);
       if (ThisRes.isInvalid()) {
-        SkipUntil(tok::semi, true, true);
+        SkipUntil(tok::semi, StopBeforeMatch);
         return 0;
       }
       ThisDecl = ThisRes.get();
@@ -1871,7 +1876,7 @@ Decl *Parser::ParseDeclarationAfterDeclaratorAndAttributes(Declarator &D,
       }
 
       if (Init.isInvalid()) {
-        SkipUntil(tok::comma, true, true);
+        SkipUntil(tok::comma, StopAtSemi | StopBeforeMatch);
         Actions.ActOnInitializerError(ThisDecl);
       } else
         Actions.AddInitializerToDecl(ThisDecl, Init.take(),
@@ -1892,7 +1897,7 @@ Decl *Parser::ParseDeclarationAfterDeclaratorAndAttributes(Declarator &D,
 
     if (ParseExpressionList(Exprs, CommaLocs)) {
       Actions.ActOnInitializerError(ThisDecl);
-      SkipUntil(tok::r_paren);
+      SkipUntil(tok::r_paren, StopAtSemi);
 
       if (getLangOpts().CPlusPlus && D.getCXXScopeSpec().isSet()) {
         Actions.ActOnCXXExitDeclInitializer(getCurScope(), ThisDecl);
@@ -2299,7 +2304,7 @@ void Parser::ParseAlignmentSpecifier(ParsedAttributes &Attrs,
   SourceLocation EllipsisLoc;
   ExprResult ArgExpr = ParseAlignArgument(T.getOpenLocation(), EllipsisLoc);
   if (ArgExpr.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    T.skipToEnd();
     return;
   }
 
@@ -3199,7 +3204,7 @@ ParseStructDeclaration(ParsingDeclSpec &DS, FieldCallback &Fields) {
       ConsumeToken();
       ExprResult Res(ParseConstantExpression());
       if (Res.isInvalid())
-        SkipUntil(tok::semi, true, true);
+        SkipUntil(tok::semi, StopBeforeMatch);
       else
         DeclaratorInfo.BitfieldSize = Res.release();
     }
@@ -3301,14 +3306,14 @@ void Parser::ParseStructUnionBody(SourceLocation RecordLoc,
       ConsumeToken();
       if (!Tok.isObjCAtKeyword(tok::objc_defs)) {
         Diag(Tok, diag::err_unexpected_at);
-        SkipUntil(tok::semi, true);
+        SkipUntil(tok::semi);
         continue;
       }
       ConsumeToken();
       ExpectAndConsume(tok::l_paren, diag::err_expected_lparen);
       if (!Tok.is(tok::identifier)) {
         Diag(Tok, diag::err_expected_ident);
-        SkipUntil(tok::semi, true);
+        SkipUntil(tok::semi);
         continue;
       }
       SmallVector<Decl *, 16> Fields;
@@ -3327,7 +3332,7 @@ void Parser::ParseStructUnionBody(SourceLocation RecordLoc,
     } else {
       ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list);
       // Skip to end of block or statement to avoid ext-warning on extra ';'.
-      SkipUntil(tok::r_brace, true, true);
+      SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
       // If we stopped at a ';', eat it.
       if (Tok.is(tok::semi)) ConsumeToken();
     }
@@ -3451,7 +3456,7 @@ void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS,
       if (Tok.isNot(tok::l_brace)) {
         // Has no name and is not a definition.
         // Skip the rest of this declarator, up until the comma or semicolon.
-        SkipUntil(tok::comma, true);
+        SkipUntil(tok::comma, StopAtSemi);
         return;
       }
     }
@@ -3463,7 +3468,7 @@ void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS,
     Diag(Tok, diag::err_expected_ident_lbrace);
 
     // Skip the rest of this declarator, up until the comma or semicolon.
-    SkipUntil(tok::comma, true);
+    SkipUntil(tok::comma, StopAtSemi);
     return;
   }
 
@@ -3581,7 +3586,7 @@ void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS,
       Diag(Tok.getLocation(), diag::err_friend_decl_defines_type)
         << SourceRange(DS.getFriendSpecLoc());
       ConsumeBrace();
-      SkipUntil(tok::r_brace);
+      SkipUntil(tok::r_brace, StopAtSemi);
       TUK = Sema::TUK_Friend;
     } else {
       TUK = Sema::TUK_Definition;
@@ -3614,7 +3619,7 @@ void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS,
     if (!getLangOpts().CPlusPlus11 || !SS.isSet()) {
       // Skip the rest of this declarator, up until the comma or semicolon.
       Diag(Tok, diag::err_enum_template);
-      SkipUntil(tok::comma, true);
+      SkipUntil(tok::comma, StopAtSemi);
       return;
     }
 
@@ -3637,7 +3642,7 @@ void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS,
     Diag(Tok, diag::err_enumerator_unnamed_no_def);
 
     // Skip the rest of this declarator, up until the comma or semicolon.
-    SkipUntil(tok::comma, true);
+    SkipUntil(tok::comma, StopAtSemi);
     return;
   }
 
@@ -3681,7 +3686,7 @@ void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS,
     // definition, consume the entire definition.
     if (Tok.is(tok::l_brace) && TUK != Sema::TUK_Reference) {
       ConsumeBrace();
-      SkipUntil(tok::r_brace);
+      SkipUntil(tok::r_brace, StopAtSemi);
     }
 
     DS.SetTypeSpecError();
@@ -3742,7 +3747,7 @@ void Parser::ParseEnumBody(SourceLocation StartLoc, Decl *EnumDecl) {
       EqualLoc = ConsumeToken();
       AssignedVal = ParseConstantExpression();
       if (AssignedVal.isInvalid())
-        SkipUntil(tok::comma, tok::r_brace, true, true);
+        SkipUntil(tok::comma, tok::r_brace, StopAtSemi | StopBeforeMatch);
     }
 
     // Install the enumerator constant into EnumDecl.
@@ -5189,7 +5194,7 @@ void Parser::ParseFunctionDeclaratorIdentifierList(
     // If this isn't an identifier, report the error and skip until ')'.
     if (Tok.isNot(tok::identifier)) {
       Diag(Tok, diag::err_expected_ident);
-      SkipUntil(tok::r_paren, /*StopAtSemi=*/true, /*DontConsume=*/true);
+      SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch);
       // Forget we parsed anything.
       ParamInfo.clear();
       return;
@@ -5368,7 +5373,7 @@ void Parser::ParseParameterDeclarationClause(
             DefArgResult = ParseAssignmentExpression();
           if (DefArgResult.isInvalid()) {
             Actions.ActOnParamDefaultArgumentError(Param);
-            SkipUntil(tok::comma, tok::r_paren, true, true);
+            SkipUntil(tok::comma, tok::r_paren, StopAtSemi | StopBeforeMatch);
           } else {
             // Inform the actions module about the default argument
             Actions.ActOnParamDefaultArgument(Param, EqualLoc,
@@ -5503,7 +5508,7 @@ void Parser::ParseBracketDeclarator(Declarator &D) {
   if (NumElements.isInvalid()) {
     D.setInvalidType(true);
     // If the expression was invalid, skip it.
-    SkipUntil(tok::r_square);
+    SkipUntil(tok::r_square, StopAtSemi);
     return;
   }
 
@@ -5600,7 +5605,7 @@ void Parser::ParseAtomicSpecifier(DeclSpec &DS) {
 
   TypeResult Result = ParseTypeName();
   if (Result.isInvalid()) {
-    SkipUntil(tok::r_paren);
+    SkipUntil(tok::r_paren, StopAtSemi);
     return;
   }