Add a bit on FunctionDecl/ObjCMethodDecl to indicate if there was a body

that was skipped by the parser.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169531 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 14 insertions, 2 deletions

diff --git a/lib/Parse/ParseStmt.cpp b/lib/Parse/ParseStmt.cpp
index f6f5afe467..8c33bd6de8 100644
--- a/lib/Parse/ParseStmt.cpp
+++ b/lib/Parse/ParseStmt.cpp
@@ -2006,7 +2006,7 @@ Decl *Parser::ParseFunctionStatementBody(Decl *Decl, ParseScope &BodyScope) {
   if (SkipFunctionBodies && Actions.canSkipFunctionBody(Decl) &&
       trySkippingFunctionBody()) {
     BodyScope.Exit();
-    return Actions.ActOnFinishFunctionBody(Decl, 0);
+    return Actions.ActOnSkippedFunctionBody(Decl);
   }
 
   PrettyDeclStackTraceEntry CrashInfo(Actions, Decl, LBraceLoc,
@@ -2049,7 +2049,7 @@ Decl *Parser::ParseFunctionTryBlock(Decl *Decl, ParseScope &BodyScope) {
   if (SkipFunctionBodies && Actions.canSkipFunctionBody(Decl) &&
       trySkippingFunctionBody()) {
     BodyScope.Exit();
-    return Actions.ActOnFinishFunctionBody(Decl, 0);
+    return Actions.ActOnSkippedFunctionBody(Decl);
   }
 
   SourceLocation LBraceLoc = Tok.getLocation();
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 102a6ae9a2..9dd7779537 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -8016,6 +8016,14 @@ bool Sema::canSkipFunctionBody(Decl *D) {
   return !FD->isConstexpr();
 }
 
+Decl *Sema::ActOnSkippedFunctionBody(Decl *Decl) {
+  if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Decl))
+    FD->setHasSkippedBody();
+  else if (ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(Decl))
+    MD->setHasSkippedBody();
+  return ActOnFinishFunctionBody(Decl, 0);
+}
+
 Decl *Sema::ActOnFinishFunctionBody(Decl *D, Stmt *BodyArg) {
   return ActOnFinishFunctionBody(D, BodyArg, false);
 }
diff --git a/lib/Serialization/ASTReaderDecl.cpp b/lib/Serialization/ASTReaderDecl.cpp
index 6693416b4a..d201f539fa 100644
--- a/lib/Serialization/ASTReaderDecl.cpp
+++ b/lib/Serialization/ASTReaderDecl.cpp
@@ -528,6 +528,7 @@ void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
   FD->IsExplicitlyDefaulted = Record[Idx++];
   FD->HasImplicitReturnZero = Record[Idx++];
   FD->IsConstexpr = Record[Idx++];
+  FD->HasSkippedBody = Record[Idx++];
   FD->EndRangeLoc = ReadSourceLocation(Record, Idx);
 
   switch ((FunctionDecl::TemplatedKind)Record[Idx++]) {
@@ -652,6 +653,7 @@ void ASTDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
   MD->setPropertyAccessor(Record[Idx++]);
   MD->setDefined(Record[Idx++]);
   MD->IsOverriding = Record[Idx++];
+  MD->HasSkippedBody = Record[Idx++];
 
   MD->IsRedeclaration = Record[Idx++];
   MD->HasRedeclaration = Record[Idx++];
diff --git a/lib/Serialization/ASTWriterDecl.cpp b/lib/Serialization/ASTWriterDecl.cpp
index 777b1eab28..dfafc16511 100644
--- a/lib/Serialization/ASTWriterDecl.cpp
+++ b/lib/Serialization/ASTWriterDecl.cpp
@@ -328,6 +328,7 @@ void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) {
   Record.push_back(D->isExplicitlyDefaulted());
   Record.push_back(D->hasImplicitReturnZero());
   Record.push_back(D->isConstexpr());
+  Record.push_back(D->HasSkippedBody);
   Writer.AddSourceLocation(D->getLocEnd(), Record);
 
   Record.push_back(D->getTemplatedKind());
@@ -419,6 +420,7 @@ void ASTDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) {
   Record.push_back(D->isPropertyAccessor());
   Record.push_back(D->isDefined());
   Record.push_back(D->IsOverriding);
+  Record.push_back(D->HasSkippedBody);
 
   Record.push_back(D->IsRedeclaration);
   Record.push_back(D->HasRedeclaration);