[llvm-rc] Add ICON and HTML parsing ability [2/8]

[mnbvmar]

Summary

This extends the current llvm-rc parser by ICON and HTML resources.

[ecbeckmann]

this looks fine to me.

[mnbvmar]

Replace files with pipes.

[ecbeckmann]

Looks fine to me.

[rnk]

lgtm

llvm/test/tools/llvm-rc/Inputs/parser-correct-everything.rc

 meh IcOn "hello.bmp"
 Icon Icon "Icon"
 
 LANGUAGE 5, 12
 
 STRINGTABLE
 LANGUAGE 1, 1
 CHARACTERISTICS 500
 LANGUAGE 3, 4
 VERSION 14
 {
   1 "hello"
   2 "world"
 }
 STRINGTABLE BEGIN END
+
+500 HTML "index.html"
+Name Cursor "hello.ico"

llvm/test/tools/llvm-rc/Inputs/parser-html-bad-string.rc

+200 HTML ThisPassesInTheOriginalToolButDocSaysItShouldBeQuoted

llvm/test/tools/llvm-rc/Inputs/parser-html-extra-comma.rc

+1 HTML, "index.html"

llvm/test/tools/llvm-rc/parser.test

 ; RUN: llvm-rc /V %p/Inputs/parser-correct-everything.rc | FileCheck %s --check-prefix PGOOD
 
 ; PGOOD:  Icon (meh): "hello.bmp"
 ; PGOOD-NEXT:  Icon (Icon): "Icon"
 ; PGOOD-NEXT:  Language: 5, Sublanguage: 12
 ; PGOOD-NEXT:  StringTable:
 ; PGOOD-NEXT:    Option: Language: 1, Sublanguage: 1
 ; PGOOD-NEXT:    Option: Characteristics: 500
 ; PGOOD-NEXT:    Option: Language: 3, Sublanguage: 4
 ; PGOOD-NEXT:    Option: Version: 14
 ; PGOOD-NEXT:    1 => "hello"
 ; PGOOD-NEXT:    2 => "world"
 ; PGOOD-NEXT:  StringTable:
+; PGOOD-NEXT:  HTML (500): "index.html"
+; PGOOD-NEXT:  Cursor (Name): "hello.ico"
 
 
 ; RUN: not llvm-rc /V %p/Inputs/parser-stringtable-no-string.rc 2> %t2
 ; RUN: FileCheck %s --check-prefix PSTRINGTABLE1 --input-file %t2
 
 ; PSTRINGTABLE1:  llvm-rc: Error parsing file: expected string, got }
 
 

 
 ; PLANGUAGE1:  llvm-rc: Error parsing file: expected ',', got 7
 
 
 ; RUN: not llvm-rc /V %p/Inputs/parser-language-too-many-commas.rc 2> %t10
 ; RUN: FileCheck %s --check-prefix PLANGUAGE2 --input-file %t10
 
 ; PLANGUAGE2:  llvm-rc: Error parsing file: expected integer, got ,
+
+
+; RUN: not llvm-rc /V %p/Inputs/parser-html-bad-string.rc 2> %t11
+; RUN: FileCheck %s --check-prefix PHTML1 --input-file %t11
+
+; PHTML1:  llvm-rc: Error parsing file: expected string, got ThisPassesInTheOriginalToolButDocSaysItShouldBeQuoted
+
+
+; RUN: not llvm-rc /V %p/Inputs/parser-html-extra-comma.rc 2> %t12
+; RUN: FileCheck %s --check-prefix PHTML2 --input-file %t12
+
+; PHTML2:  llvm-rc: Error parsing file: expected string, got ,

llvm/tools/llvm-rc/ResourceScriptParser.h

private:
   parseOptionalStatements(bool UseExtendedStatements = false);
 
   // Read a single optional statement.
   Expected<std::unique_ptr<OptionalStmt>>
   parseSingleOptionalStatement(bool UseExtendedStatements = false);
 
   // Top-level resource parsers.
   ParseType parseLanguageResource();
+  ParseType parseCursorResource();
   ParseType parseIconResource();
+  ParseType parseHTMLResource();
   ParseType parseStringTableResource();
 
   // Optional statement parsers.
   ParseOptionType parseLanguageStmt();
   ParseOptionType parseCharacteristicsStmt();
   ParseOptionType parseVersionStmt();
 
   // Raises an error. If IsAlreadyRead = false (default), this complains about

llvm/tools/llvm-rc/ResourceScriptParser.cpp

RCParser::ParseType RCParser::parseSingleResource() {
 
   // If it's not an unnamed resource, what we've just read is a name. Now,
   // read resource type;
   ASSIGN_OR_RETURN(TypeToken, readTypeOrName());
 
   ParseType Result = std::unique_ptr<RCResource>();
   (void)!Result;
 
-  if (TypeToken->equalsLower("ICON"))
+  if (TypeToken->equalsLower("CURSOR"))
+    Result = parseCursorResource();
+  else if (TypeToken->equalsLower("ICON"))
     Result = parseIconResource();
+  else if (TypeToken->equalsLower("HTML"))
+    Result = parseHTMLResource();
   else
     return getExpectedError("resource type", /* IsAlreadyRead = */ true);
 
   if (Result)
     (*Result)->setName(*NameToken);
 
   return Result;
 }

 }
 
 RCParser::ParseType RCParser::parseLanguageResource() {
   // Read LANGUAGE as an optional statement. If it's read correctly, we can
   // upcast it to RCResource.
   return parseLanguageStmt();
 }
 
+RCParser::ParseType RCParser::parseCursorResource() {
+  ASSIGN_OR_RETURN(Arg, readString());
+  return make_unique<CursorResource>(*Arg);
+}
+
 RCParser::ParseType RCParser::parseIconResource() {
   ASSIGN_OR_RETURN(Arg, readString());
   return make_unique<IconResource>(*Arg);
 }
 
+RCParser::ParseType RCParser::parseHTMLResource() {
+  ASSIGN_OR_RETURN(Arg, readString());
+  return make_unique<HTMLResource>(*Arg);
+}
+
 RCParser::ParseType RCParser::parseStringTableResource() {
   ASSIGN_OR_RETURN(OptStatements, parseOptionalStatements());
   RETURN_IF_ERROR(consumeType(Kind::BlockBegin));
 
   auto Table = make_unique<StringTableResource>(std::move(*OptStatements));
 
   // Read strings until we reach the end of the block.
   while (!consumeOptionalType(Kind::BlockEnd)) {

llvm/tools/llvm-rc/ResourceScriptStmt.h

class LanguageResource : public OptionalStmt {
   uint32_t Lang, SubLang;
 
 public:
   LanguageResource(uint32_t LangId, uint32_t SubLangId)
       : Lang(LangId), SubLang(SubLangId) {}
   raw_ostream &log(raw_ostream &) const override;
 };
 
+// CURSOR resource. Represents a single cursor (".cur") file.
+//
+// Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380920(v=vs.85).aspx
+class CursorResource : public RCResource {
+  StringRef CursorLoc;
+
+public:
+  CursorResource(StringRef Location) : CursorLoc(Location) {}
+  raw_ostream &log(raw_ostream &) const override;
+};
+
 // ICON resource. Represents a single ".ico" file containing a group of icons.
 //
 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381018(v=vs.85).aspx
 class IconResource : public RCResource {
   StringRef IconLoc;
 
 public:
   IconResource(StringRef Location) : IconLoc(Location) {}
   raw_ostream &log(raw_ostream &) const override;
 };
 
+// HTML resource. Represents a local webpage that is to be embedded into the
+// resulting resource file. It embeds a file only - no additional resources
+// (images etc.) are included with this resource.
+//
+// Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa966018(v=vs.85).aspx
+class HTMLResource : public RCResource {
+  StringRef HTMLLoc;
+
+public:
+  HTMLResource(StringRef Location) : HTMLLoc(Location) {}
+  raw_ostream &log(raw_ostream &) const override;
+};
+
 // STRINGTABLE resource. Contains a list of strings, each having its unique ID.
 //
 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381050(v=vs.85).aspx
 class StringTableResource : public RCResource {
   OptionalStmtList OptStatements;
   std::vector<std::pair<uint32_t, StringRef>> Table;
 
 public:

llvm/tools/llvm-rc/ResourceScriptStmt.cpp

raw_ostream &OptionalStmtList::log(raw_ostream &OS) const {
   }
   return OS;
 }
 
 raw_ostream &LanguageResource::log(raw_ostream &OS) const {
   return OS << "Language: " << Lang << ", Sublanguage: " << SubLang << "\n";
 }
 
+raw_ostream &CursorResource::log(raw_ostream &OS) const {
+  return OS << "Cursor (" << ResName << "): " << CursorLoc << "\n";
+}
+
 raw_ostream &IconResource::log(raw_ostream &OS) const {
   return OS << "Icon (" << ResName << "): " << IconLoc << "\n";
 }
 
+raw_ostream &HTMLResource::log(raw_ostream &OS) const {
+  return OS << "HTML (" << ResName << "): " << HTMLLoc << "\n";
+}
+
 raw_ostream &StringTableResource::log(raw_ostream &OS) const {
   OS << "StringTable:\n";
   OptStatements.log(OS);
   for (const auto &String : Table)
     OS << "  " << String.first << " => " << String.second << "\n";
   return OS;
 }