4 files changed, 55 insertions, 1 deletions
diff --git a/llvm/tools/llvm-rc/ResourceScriptParser.cpp b/llvm/tools/llvm-rc/ResourceScriptParser.cpp
index ee7de6b937a..211d9e7e954 100644
--- a/llvm/tools/llvm-rc/ResourceScriptParser.cpp
+++ b/llvm/tools/llvm-rc/ResourceScriptParser.cpp
@@ -80,7 +80,7 @@ RCParser::ParseType RCParser::parseSingleResource() {
   else if (TypeToken->equalsLower("VERSIONINFO"))
     Result = parseVersionInfoResource();
   else
-    return getExpectedError("resource type", /* IsAlreadyRead = */ true);
+    Result = parseUserDefinedResource(*TypeToken);
 
   if (Result)
     (*Result)->setName(*NameToken);
@@ -416,6 +416,31 @@ RCParser::ParseType RCParser::parseDialogResource(bool IsExtended) {
   return std::move(Dialog);
 }
 
+RCParser::ParseType RCParser::parseUserDefinedResource(IntOrString Type) {
+  if (isEof())
+    return getExpectedError("filename, '{' or BEGIN");
+
+  // Check if this is a file resource.
+  if (look().kind() == Kind::String)
+    return make_unique<UserDefinedResource>(Type, read().value());
+
+  RETURN_IF_ERROR(consumeType(Kind::BlockBegin));
+  std::vector<IntOrString> Data;
+
+  // Consume comma before each consecutive token except the first one.
+  bool ConsumeComma = false;
+  while (!consumeOptionalType(Kind::BlockEnd)) {
+    if (ConsumeComma)
+      RETURN_IF_ERROR(consumeType(Kind::Comma));
+    ConsumeComma = true;
+
+    ASSIGN_OR_RETURN(Item, readIntOrString());
+    Data.push_back(*Item);
+  }
+
+  return make_unique<UserDefinedResource>(Type, std::move(Data));
+}
+
 RCParser::ParseType RCParser::parseVersionInfoResource() {
   ASSIGN_OR_RETURN(FixedResult, parseVersionInfoFixed());
   ASSIGN_OR_RETURN(BlockResult, parseVersionInfoBlockContents(StringRef()));
diff --git a/llvm/tools/llvm-rc/ResourceScriptParser.h b/llvm/tools/llvm-rc/ResourceScriptParser.h
index 56042f79d5f..7509b8e9066 100644
--- a/llvm/tools/llvm-rc/ResourceScriptParser.h
+++ b/llvm/tools/llvm-rc/ResourceScriptParser.h
@@ -139,6 +139,7 @@ private:
   ParseType parseHTMLResource();
   ParseType parseMenuResource();
   ParseType parseStringTableResource();
+  ParseType parseUserDefinedResource(IntOrString Type);
   ParseType parseVersionInfoResource();
 
   // Helper DIALOG parser - a single control.
diff --git a/llvm/tools/llvm-rc/ResourceScriptStmt.cpp b/llvm/tools/llvm-rc/ResourceScriptStmt.cpp
index eb123e543f0..792ac40e55d 100644
--- a/llvm/tools/llvm-rc/ResourceScriptStmt.cpp
+++ b/llvm/tools/llvm-rc/ResourceScriptStmt.cpp
@@ -214,6 +214,16 @@ raw_ostream &VersionInfoResource::log(raw_ostream &OS) const {
   return MainBlock.log(OS);
 }
 
+raw_ostream &UserDefinedResource::log(raw_ostream &OS) const {
+  OS << "User-defined (type: " << Type << ", name: " << ResName << "): ";
+  if (IsFileResource)
+    return OS << FileLoc << "\n";
+  OS << "data = ";
+  for (auto &Item : Contents)
+    OS << Item << " ";
+  return OS << "\n";
+}
+
 raw_ostream &CharacteristicsStmt::log(raw_ostream &OS) const {
   return OS << "Characteristics: " << Value << "\n";
 }
diff --git a/llvm/tools/llvm-rc/ResourceScriptStmt.h b/llvm/tools/llvm-rc/ResourceScriptStmt.h
index b090be4b700..95890fe6669 100644
--- a/llvm/tools/llvm-rc/ResourceScriptStmt.h
+++ b/llvm/tools/llvm-rc/ResourceScriptStmt.h
@@ -319,6 +319,24 @@ public:
   raw_ostream &log(raw_ostream &) const override;
 };
 
+// User-defined resource. It is either:
+//   * a link to the file, e.g. NAME TYPE "filename",
+//   * or contains a list of integers and strings, e.g. NAME TYPE {1, "a", 2}.
+class UserDefinedResource : public RCResource {
+  IntOrString Type;
+  StringRef FileLoc;
+  std::vector<IntOrString> Contents;
+  bool IsFileResource;
+
+public:
+  UserDefinedResource(IntOrString ResourceType, StringRef FileLocation)
+      : Type(ResourceType), FileLoc(FileLocation), IsFileResource(true) {}
+  UserDefinedResource(IntOrString ResourceType, std::vector<IntOrString> &&Data)
+      : Type(ResourceType), Contents(std::move(Data)), IsFileResource(false) {}
+
+  raw_ostream &log(raw_ostream &) const override;
+};
+
 // -- VERSIONINFO resource and its helper classes --
 //
 // This resource lists the version information on the executable/library.