tools/llvm-rc/ResourceScriptStmt.h

   1 //===-- ResourceScriptStmt.h ------------------------------------*- C++-*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===---------------------------------------------------------------------===//
   8 //
   9 // This lists all the resource and statement types occurring in RC scripts.
  10 //
  11 //===---------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_TOOLS_LLVMRC_RESOURCESCRIPTSTMT_H
  14 #define LLVM_TOOLS_LLVMRC_RESOURCESCRIPTSTMT_H
  15
  16 #include "ResourceScriptToken.h"
  17 #include "ResourceVisitor.h"
  18
  19 #include "llvm/ADT/StringSet.h"
  20
  21 namespace llvm {
  22 namespace rc {
  23
  24 // Integer wrapper that also holds information whether the user declared
  25 // the integer to be long (by appending L to the end of the integer) or not.
  26 // It allows to be implicitly cast from and to uint32_t in order
  27 // to be compatible with the parts of code that don't care about the integers
  28 // being marked long.
  29 class RCInt {
  30   uint32_t Val;
  31   bool Long;
  32
  33 public:
  34   RCInt(const RCToken &Token)
  35       : Val(Token.intValue()), Long(Token.isLongInt()) {}
  36   RCInt(uint32_t Value) : Val(Value), Long(false) {}
  37   RCInt(uint32_t Value, bool IsLong) : Val(Value), Long(IsLong) {}
  38   operator uint32_t() const { return Val; }
  39   bool isLong() const { return Long; }
  40
  41   RCInt &operator+=(const RCInt &Rhs) {
  42     std::tie(Val, Long) = std::make_pair(Val + Rhs.Val, Long | Rhs.Long);
  43     return *this;
  44   }
  45
  46   RCInt &operator-=(const RCInt &Rhs) {
  47     std::tie(Val, Long) = std::make_pair(Val - Rhs.Val, Long | Rhs.Long);
  48     return *this;
  49   }
  50
  51   RCInt &operator|=(const RCInt &Rhs) {
  52     std::tie(Val, Long) = std::make_pair(Val | Rhs.Val, Long | Rhs.Long);
  53     return *this;
  54   }
  55
  56   RCInt &operator&=(const RCInt &Rhs) {
  57     std::tie(Val, Long) = std::make_pair(Val & Rhs.Val, Long | Rhs.Long);
  58     return *this;
  59   }
  60
  61   RCInt operator-() const { return {-Val, Long}; }
  62   RCInt operator~() const { return {~Val, Long}; }
  63
  64   friend raw_ostream &operator<<(raw_ostream &OS, const RCInt &Int) {
  65     return OS << Int.Val << (Int.Long ? "L" : "");
  66   }
  67 };
  68
  69 class IntWithNotMask {
  70 private:
  71   RCInt Value;
  72   int32_t NotMask;
  73
  74 public:
  75   IntWithNotMask() : IntWithNotMask(RCInt(0)) {}
  76   IntWithNotMask(RCInt Value, int32_t NotMask = 0) : Value(Value), NotMask(NotMask) {}
  77
  78   RCInt getValue() const {
  79     return Value;
  80   }
  81
  82   uint32_t getNotMask() const {
  83     return NotMask;
  84   }
  85
  86   IntWithNotMask &operator+=(const IntWithNotMask &Rhs) {
  87     Value &= ~Rhs.NotMask;
  88     Value += Rhs.Value;
  89     NotMask |= Rhs.NotMask;
  90     return *this;
  91   }
  92
  93   IntWithNotMask &operator-=(const IntWithNotMask &Rhs) {
  94     Value &= ~Rhs.NotMask;
  95     Value -= Rhs.Value;
  96     NotMask |= Rhs.NotMask;
  97     return *this;
  98   }
  99
 100   IntWithNotMask &operator|=(const IntWithNotMask &Rhs) {
 101     Value &= ~Rhs.NotMask;
 102     Value |= Rhs.Value;
 103     NotMask |= Rhs.NotMask;
 104     return *this;
 105   }
 106
 107   IntWithNotMask &operator&=(const IntWithNotMask &Rhs) {
 108     Value &= ~Rhs.NotMask;
 109     Value &= Rhs.Value;
 110     NotMask |= Rhs.NotMask;
 111     return *this;
 112   }
 113
 114   IntWithNotMask operator-() const { return {-Value, NotMask}; }
 115   IntWithNotMask operator~() const { return {~Value, 0}; }
 116
 117   friend raw_ostream &operator<<(raw_ostream &OS, const IntWithNotMask &Int) {
 118     return OS << Int.Value;
 119   }
 120 };
 121
 122 // A class holding a name - either an integer or a reference to the string.
 123 class IntOrString {
 124 private:
 125   union Data {
 126     RCInt Int;
 127     StringRef String;
 128     Data(RCInt Value) : Int(Value) {}
 129     Data(const StringRef Value) : String(Value) {}
 130     Data(const RCToken &Token) {
 131       if (Token.kind() == RCToken::Kind::Int)
 132         Int = RCInt(Token);
 133       else
 134         String = Token.value();
 135     }
 136   } Data;
 137   bool IsInt;
 138
 139 public:
 140   IntOrString() : IntOrString(RCInt(0)) {}
 141   IntOrString(uint32_t Value) : Data(Value), IsInt(1) {}
 142   IntOrString(RCInt Value) : Data(Value), IsInt(1) {}
 143   IntOrString(StringRef Value) : Data(Value), IsInt(0) {}
 144   IntOrString(const RCToken &Token)
 145       : Data(Token), IsInt(Token.kind() == RCToken::Kind::Int) {}
 146
 147   bool equalsLower(const char *Str) {
 148     return !IsInt && Data.String.equals_lower(Str);
 149   }
 150
 151   bool isInt() const { return IsInt; }
 152
 153   RCInt getInt() const {
 154     assert(IsInt);
 155     return Data.Int;
 156   }
 157
 158   const StringRef &getString() const {
 159     assert(!IsInt);
 160     return Data.String;
 161   }
 162
 163   operator Twine() const {
 164     return isInt() ? Twine(getInt()) : Twine(getString());
 165   }
 166
 167   friend raw_ostream &operator<<(raw_ostream &, const IntOrString &);
 168 };
 169
 170 enum ResourceKind {
 171   // These resource kinds have corresponding .res resource type IDs
 172   // (TYPE in RESOURCEHEADER structure). The numeric value assigned to each
 173   // kind is equal to this type ID.
 174   RkNull = 0,
 175   RkSingleCursor = 1,
 176   RkBitmap = 2,
 177   RkSingleIcon = 3,
 178   RkMenu = 4,
 179   RkDialog = 5,
 180   RkStringTableBundle = 6,
 181   RkAccelerators = 9,
 182   RkRcData = 10,
 183   RkCursorGroup = 12,
 184   RkIconGroup = 14,
 185   RkVersionInfo = 16,
 186   RkHTML = 23,
 187
 188   // These kinds don't have assigned type IDs (they might be the resources
 189   // of invalid kind, expand to many resource structures in .res files,
 190   // or have variable type ID). In order to avoid ID clashes with IDs above,
 191   // we assign the kinds the values 256 and larger.
 192   RkInvalid = 256,
 193   RkBase,
 194   RkCursor,
 195   RkIcon,
 196   RkStringTable,
 197   RkUser,
 198   RkSingleCursorOrIconRes,
 199   RkCursorOrIconGroupRes,
 200 };
 201
 202 // Non-zero memory flags.
 203 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/ms648027(v=vs.85).aspx
 204 enum MemoryFlags {
 205   MfMoveable = 0x10,
 206   MfPure = 0x20,
 207   MfPreload = 0x40,
 208   MfDiscardable = 0x1000
 209 };
 210
 211 // Base resource. All the resources should derive from this base.
 212 class RCResource {
 213 public:
 214   IntOrString ResName;
 215   uint16_t MemoryFlags = getDefaultMemoryFlags();
 216   void setName(const IntOrString &Name) { ResName = Name; }
 217   virtual raw_ostream &log(raw_ostream &OS) const {
 218     return OS << "Base statement\n";
 219   };
 220   RCResource() {}
 221   RCResource(uint16_t Flags) : MemoryFlags(Flags) {}
 222   virtual ~RCResource() {}
 223
 224   virtual Error visit(Visitor *) const {
 225     llvm_unreachable("This is unable to call methods from Visitor base");
 226   }
 227
 228   // Apply the statements attached to this resource. Generic resources
 229   // don't have any.
 230   virtual Error applyStmts(Visitor *) const { return Error::success(); }
 231
 232   // By default, memory flags are DISCARDABLE | PURE | MOVEABLE.
 233   static uint16_t getDefaultMemoryFlags() {
 234     return MfDiscardable | MfPure | MfMoveable;
 235   }
 236
 237   virtual ResourceKind getKind() const { return RkBase; }
 238   static bool classof(const RCResource *Res) { return true; }
 239
 240   virtual IntOrString getResourceType() const {
 241     llvm_unreachable("This cannot be called on objects without types.");
 242   }
 243   virtual Twine getResourceTypeName() const {
 244     llvm_unreachable("This cannot be called on objects without types.");
 245   };
 246 };
 247
 248 // An empty resource. It has no content, type 0, ID 0 and all of its
 249 // characteristics are equal to 0.
 250 class NullResource : public RCResource {
 251 public:
 252   NullResource() : RCResource(0) {}
 253   raw_ostream &log(raw_ostream &OS) const override {
 254     return OS << "Null resource\n";
 255   }
 256   Error visit(Visitor *V) const override { return V->visitNullResource(this); }
 257   IntOrString getResourceType() const override { return 0; }
 258   Twine getResourceTypeName() const override { return "(NULL)"; }
 259 };
 260
 261 // Optional statement base. All such statements should derive from this base.
 262 class OptionalStmt : public RCResource {};
 263
 264 class OptionalStmtList : public OptionalStmt {
 265   std::vector<std::unique_ptr<OptionalStmt>> Statements;
 266
 267 public:
 268   OptionalStmtList() {}
 269   raw_ostream &log(raw_ostream &OS) const override;
 270
 271   void addStmt(std::unique_ptr<OptionalStmt> Stmt) {
 272     Statements.push_back(std::move(Stmt));
 273   }
 274
 275   Error visit(Visitor *V) const override {
 276     for (auto &StmtPtr : Statements)
 277       if (auto Err = StmtPtr->visit(V))
 278         return Err;
 279     return Error::success();
 280   }
 281 };
 282
 283 class OptStatementsRCResource : public RCResource {
 284 public:
 285   std::unique_ptr<OptionalStmtList> OptStatements;
 286
 287   OptStatementsRCResource(OptionalStmtList &&Stmts,
 288                           uint16_t Flags = RCResource::getDefaultMemoryFlags())
 289       : RCResource(Flags),
 290         OptStatements(llvm::make_unique<OptionalStmtList>(std::move(Stmts))) {}
 291
 292   virtual Error applyStmts(Visitor *V) const { return OptStatements->visit(V); }
 293 };
 294
 295 // LANGUAGE statement. It can occur both as a top-level statement (in such
 296 // a situation, it changes the default language until the end of the file)
 297 // and as an optional resource statement (then it changes the language
 298 // of a single resource).
 299 //
 300 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381019(v=vs.85).aspx
 301 class LanguageResource : public OptionalStmt {
 302 public:
 303   uint32_t Lang, SubLang;
 304
 305   LanguageResource(uint32_t LangId, uint32_t SubLangId)
 306       : Lang(LangId), SubLang(SubLangId) {}
 307   raw_ostream &log(raw_ostream &) const override;
 308
 309   // This is not a regular top-level statement; when it occurs, it just
 310   // modifies the language context.
 311   Error visit(Visitor *V) const override { return V->visitLanguageStmt(this); }
 312   Twine getResourceTypeName() const override { return "LANGUAGE"; }
 313 };
 314
 315 // ACCELERATORS resource. Defines a named table of accelerators for the app.
 316 //
 317 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380610(v=vs.85).aspx
 318 class AcceleratorsResource : public OptStatementsRCResource {
 319 public:
 320   class Accelerator {
 321   public:
 322     IntOrString Event;
 323     uint32_t Id;
 324     uint16_t Flags;
 325
 326     enum Options {
 327       // This is actually 0x0000 (accelerator is assumed to be ASCII if it's
 328       // not VIRTKEY). However, rc.exe behavior is different in situations
 329       // "only ASCII defined" and "neither ASCII nor VIRTKEY defined".
 330       // Therefore, we include ASCII as another flag. This must be zeroed
 331       // when serialized.
 332       ASCII = 0x8000,
 333       VIRTKEY = 0x0001,
 334       NOINVERT = 0x0002,
 335       ALT = 0x0010,
 336       SHIFT = 0x0004,
 337       CONTROL = 0x0008
 338     };
 339
 340     static constexpr size_t NumFlags = 6;
 341     static StringRef OptionsStr[NumFlags];
 342     static uint32_t OptionsFlags[NumFlags];
 343   };
 344
 345   AcceleratorsResource(OptionalStmtList &&List, uint16_t Flags)
 346       : OptStatementsRCResource(std::move(List), Flags) {}
 347
 348   std::vector<Accelerator> Accelerators;
 349
 350   void addAccelerator(IntOrString Event, uint32_t Id, uint16_t Flags) {
 351     Accelerators.push_back(Accelerator{Event, Id, Flags});
 352   }
 353   raw_ostream &log(raw_ostream &) const override;
 354
 355   IntOrString getResourceType() const override { return RkAccelerators; }
 356   static uint16_t getDefaultMemoryFlags() { return MfPure | MfMoveable; }
 357   Twine getResourceTypeName() const override { return "ACCELERATORS"; }
 358
 359   Error visit(Visitor *V) const override {
 360     return V->visitAcceleratorsResource(this);
 361   }
 362   ResourceKind getKind() const override { return RkAccelerators; }
 363   static bool classof(const RCResource *Res) {
 364     return Res->getKind() == RkAccelerators;
 365   }
 366 };
 367
 368 // BITMAP resource. Represents a bitmap (".bmp") file.
 369 //
 370 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380680(v=vs.85).aspx
 371 class BitmapResource : public RCResource {
 372 public:
 373   StringRef BitmapLoc;
 374
 375   BitmapResource(StringRef Location, uint16_t Flags)
 376       : RCResource(Flags), BitmapLoc(Location) {}
 377   raw_ostream &log(raw_ostream &) const override;
 378
 379   IntOrString getResourceType() const override { return RkBitmap; }
 380   static uint16_t getDefaultMemoryFlags() { return MfPure | MfMoveable; }
 381
 382   Twine getResourceTypeName() const override { return "BITMAP"; }
 383   Error visit(Visitor *V) const override {
 384     return V->visitBitmapResource(this);
 385   }
 386   ResourceKind getKind() const override { return RkBitmap; }
 387   static bool classof(const RCResource *Res) {
 388     return Res->getKind() == RkBitmap;
 389   }
 390 };
 391
 392 // CURSOR resource. Represents a single cursor (".cur") file.
 393 //
 394 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380920(v=vs.85).aspx
 395 class CursorResource : public RCResource {
 396 public:
 397   StringRef CursorLoc;
 398
 399   CursorResource(StringRef Location, uint16_t Flags)
 400       : RCResource(Flags), CursorLoc(Location) {}
 401   raw_ostream &log(raw_ostream &) const override;
 402
 403   Twine getResourceTypeName() const override { return "CURSOR"; }
 404   static uint16_t getDefaultMemoryFlags() { return MfDiscardable | MfMoveable; }
 405   Error visit(Visitor *V) const override {
 406     return V->visitCursorResource(this);
 407   }
 408   ResourceKind getKind() const override { return RkCursor; }
 409   static bool classof(const RCResource *Res) {
 410     return Res->getKind() == RkCursor;
 411   }
 412 };
 413
 414 // ICON resource. Represents a single ".ico" file containing a group of icons.
 415 //
 416 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381018(v=vs.85).aspx
 417 class IconResource : public RCResource {
 418 public:
 419   StringRef IconLoc;
 420
 421   IconResource(StringRef Location, uint16_t Flags)
 422       : RCResource(Flags), IconLoc(Location) {}
 423   raw_ostream &log(raw_ostream &) const override;
 424
 425   Twine getResourceTypeName() const override { return "ICON"; }
 426   static uint16_t getDefaultMemoryFlags() { return MfDiscardable | MfMoveable; }
 427   Error visit(Visitor *V) const override { return V->visitIconResource(this); }
 428   ResourceKind getKind() const override { return RkIcon; }
 429   static bool classof(const RCResource *Res) {
 430     return Res->getKind() == RkIcon;
 431   }
 432 };
 433
 434 // HTML resource. Represents a local webpage that is to be embedded into the
 435 // resulting resource file. It embeds a file only - no additional resources
 436 // (images etc.) are included with this resource.
 437 //
 438 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa966018(v=vs.85).aspx
 439 class HTMLResource : public RCResource {
 440 public:
 441   StringRef HTMLLoc;
 442
 443   HTMLResource(StringRef Location, uint16_t Flags)
 444       : RCResource(Flags), HTMLLoc(Location) {}
 445   raw_ostream &log(raw_ostream &) const override;
 446
 447   Error visit(Visitor *V) const override { return V->visitHTMLResource(this); }
 448
 449   // Curiously, file resources don't have DISCARDABLE flag set.
 450   static uint16_t getDefaultMemoryFlags() { return MfPure | MfMoveable; }
 451   IntOrString getResourceType() const override { return RkHTML; }
 452   Twine getResourceTypeName() const override { return "HTML"; }
 453   ResourceKind getKind() const override { return RkHTML; }
 454   static bool classof(const RCResource *Res) {
 455     return Res->getKind() == RkHTML;
 456   }
 457 };
 458
 459 // -- MENU resource and its helper classes --
 460 // This resource describes the contents of an application menu
 461 // (usually located in the upper part of the dialog.)
 462 //
 463 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381025(v=vs.85).aspx
 464
 465 // Description of a single submenu item.
 466 class MenuDefinition {
 467 public:
 468   enum Options {
 469     CHECKED = 0x0008,
 470     GRAYED = 0x0001,
 471     HELP = 0x4000,
 472     INACTIVE = 0x0002,
 473     MENUBARBREAK = 0x0020,
 474     MENUBREAK = 0x0040
 475   };
 476
 477   enum MenuDefKind { MkBase, MkSeparator, MkMenuItem, MkPopup };
 478
 479   static constexpr size_t NumFlags = 6;
 480   static StringRef OptionsStr[NumFlags];
 481   static uint32_t OptionsFlags[NumFlags];
 482   static raw_ostream &logFlags(raw_ostream &, uint16_t Flags);
 483   virtual raw_ostream &log(raw_ostream &OS) const {
 484     return OS << "Base menu definition\n";
 485   }
 486   virtual ~MenuDefinition() {}
 487
 488   virtual uint16_t getResFlags() const { return 0; }
 489   virtual MenuDefKind getKind() const { return MkBase; }
 490 };
 491
 492 // Recursive description of a whole submenu.
 493 class MenuDefinitionList : public MenuDefinition {
 494 public:
 495   std::vector<std::unique_ptr<MenuDefinition>> Definitions;
 496
 497   void addDefinition(std::unique_ptr<MenuDefinition> Def) {
 498     Definitions.push_back(std::move(Def));
 499   }
 500   raw_ostream &log(raw_ostream &) const override;
 501 };
 502
 503 // Separator in MENU definition (MENUITEM SEPARATOR).
 504 //
 505 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381024(v=vs.85).aspx
 506 class MenuSeparator : public MenuDefinition {
 507 public:
 508   raw_ostream &log(raw_ostream &) const override;
 509
 510   MenuDefKind getKind() const override { return MkSeparator; }
 511   static bool classof(const MenuDefinition *D) {
 512     return D->getKind() == MkSeparator;
 513   }
 514 };
 515
 516 // MENUITEM statement definition.
 517 //
 518 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381024(v=vs.85).aspx
 519 class MenuItem : public MenuDefinition {
 520 public:
 521   StringRef Name;
 522   uint32_t Id;
 523   uint16_t Flags;
 524
 525   MenuItem(StringRef Caption, uint32_t ItemId, uint16_t ItemFlags)
 526       : Name(Caption), Id(ItemId), Flags(ItemFlags) {}
 527   raw_ostream &log(raw_ostream &) const override;
 528
 529   uint16_t getResFlags() const override { return Flags; }
 530   MenuDefKind getKind() const override { return MkMenuItem; }
 531   static bool classof(const MenuDefinition *D) {
 532     return D->getKind() == MkMenuItem;
 533   }
 534 };
 535
 536 // POPUP statement definition.
 537 //
 538 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381030(v=vs.85).aspx
 539 class PopupItem : public MenuDefinition {
 540 public:
 541   StringRef Name;
 542   uint16_t Flags;
 543   MenuDefinitionList SubItems;
 544
 545   PopupItem(StringRef Caption, uint16_t ItemFlags,
 546             MenuDefinitionList &&SubItemsList)
 547       : Name(Caption), Flags(ItemFlags), SubItems(std::move(SubItemsList)) {}
 548   raw_ostream &log(raw_ostream &) const override;
 549
 550   // This has an additional (0x10) flag. It doesn't match with documented
 551   // 0x01 flag, though.
 552   uint16_t getResFlags() const override { return Flags | 0x10; }
 553   MenuDefKind getKind() const override { return MkPopup; }
 554   static bool classof(const MenuDefinition *D) {
 555     return D->getKind() == MkPopup;
 556   }
 557 };
 558
 559 // Menu resource definition.
 560 class MenuResource : public OptStatementsRCResource {
 561 public:
 562   MenuDefinitionList Elements;
 563
 564   MenuResource(OptionalStmtList &&OptStmts, MenuDefinitionList &&Items,
 565                uint16_t Flags)
 566       : OptStatementsRCResource(std::move(OptStmts), Flags),
 567         Elements(std::move(Items)) {}
 568   raw_ostream &log(raw_ostream &) const override;
 569
 570   IntOrString getResourceType() const override { return RkMenu; }
 571   Twine getResourceTypeName() const override { return "MENU"; }
 572   Error visit(Visitor *V) const override { return V->visitMenuResource(this); }
 573   ResourceKind getKind() const override { return RkMenu; }
 574   static bool classof(const RCResource *Res) {
 575     return Res->getKind() == RkMenu;
 576   }
 577 };
 578
 579 // STRINGTABLE resource. Contains a list of strings, each having its unique ID.
 580 //
 581 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381050(v=vs.85).aspx
 582 class StringTableResource : public OptStatementsRCResource {
 583 public:
 584   std::vector<std::pair<uint32_t, StringRef>> Table;
 585
 586   StringTableResource(OptionalStmtList &&List, uint16_t Flags)
 587       : OptStatementsRCResource(std::move(List), Flags) {}
 588   void addString(uint32_t ID, StringRef String) {
 589     Table.emplace_back(ID, String);
 590   }
 591   raw_ostream &log(raw_ostream &) const override;
 592   Twine getResourceTypeName() const override { return "STRINGTABLE"; }
 593   Error visit(Visitor *V) const override {
 594     return V->visitStringTableResource(this);
 595   }
 596 };
 597
 598 // -- DIALOG(EX) resource and its helper classes --
 599 //
 600 // This resource describes dialog boxes and controls residing inside them.
 601 //
 602 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381003(v=vs.85).aspx
 603 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381002(v=vs.85).aspx
 604
 605 // Single control definition.
 606 class Control {
 607 public:
 608   StringRef Type;
 609   IntOrString Title;
 610   uint32_t ID, X, Y, Width, Height;
 611   Optional<IntWithNotMask> Style;
 612   Optional<uint32_t> ExtStyle, HelpID;
 613   IntOrString Class;
 614
 615   // Control classes as described in DLGITEMTEMPLATEEX documentation.
 616   //
 617   // Ref: msdn.microsoft.com/en-us/library/windows/desktop/ms645389.aspx
 618   enum CtlClasses {
 619     ClsButton = 0x80,
 620     ClsEdit = 0x81,
 621     ClsStatic = 0x82,
 622     ClsListBox = 0x83,
 623     ClsScrollBar = 0x84,
 624     ClsComboBox = 0x85
 625   };
 626
 627   // Simple information about a single control type.
 628   struct CtlInfo {
 629     uint32_t Style;
 630     uint16_t CtlClass;
 631     bool HasTitle;
 632   };
 633
 634   Control(StringRef CtlType, IntOrString CtlTitle, uint32_t CtlID,
 635           uint32_t PosX, uint32_t PosY, uint32_t ItemWidth, uint32_t ItemHeight,
 636           Optional<IntWithNotMask> ItemStyle, Optional<uint32_t> ExtItemStyle,
 637           Optional<uint32_t> CtlHelpID, IntOrString CtlClass)
 638       : Type(CtlType), Title(CtlTitle), ID(CtlID), X(PosX), Y(PosY),
 639         Width(ItemWidth), Height(ItemHeight), Style(ItemStyle),
 640         ExtStyle(ExtItemStyle), HelpID(CtlHelpID), Class(CtlClass) {}
 641
 642   static const StringMap<CtlInfo> SupportedCtls;
 643
 644   raw_ostream &log(raw_ostream &) const;
 645 };
 646
 647 // Single dialog definition. We don't create distinct classes for DIALOG and
 648 // DIALOGEX because of their being too similar to each other. We only have a
 649 // flag determining the type of the dialog box.
 650 class DialogResource : public OptStatementsRCResource {
 651 public:
 652   uint32_t X, Y, Width, Height, HelpID;
 653   std::vector<Control> Controls;
 654   bool IsExtended;
 655
 656   DialogResource(uint32_t PosX, uint32_t PosY, uint32_t DlgWidth,
 657                  uint32_t DlgHeight, uint32_t DlgHelpID,
 658                  OptionalStmtList &&OptStmts, bool IsDialogEx, uint16_t Flags)
 659       : OptStatementsRCResource(std::move(OptStmts), Flags), X(PosX), Y(PosY),
 660         Width(DlgWidth), Height(DlgHeight), HelpID(DlgHelpID),
 661         IsExtended(IsDialogEx) {}
 662
 663   void addControl(Control &&Ctl) { Controls.push_back(std::move(Ctl)); }
 664
 665   raw_ostream &log(raw_ostream &) const override;
 666
 667   // It was a weird design decision to assign the same resource type number
 668   // both for DIALOG and DIALOGEX (and the same structure version number).
 669   // It makes it possible for DIALOG to be mistaken for DIALOGEX.
 670   IntOrString getResourceType() const override { return RkDialog; }
 671   Twine getResourceTypeName() const override {
 672     return "DIALOG" + Twine(IsExtended ? "EX" : "");
 673   }
 674   Error visit(Visitor *V) const override {
 675     return V->visitDialogResource(this);
 676   }
 677   ResourceKind getKind() const override { return RkDialog; }
 678   static bool classof(const RCResource *Res) {
 679     return Res->getKind() == RkDialog;
 680   }
 681 };
 682
 683 // User-defined resource. It is either:
 684 //   * a link to the file, e.g. NAME TYPE "filename",
 685 //   * or contains a list of integers and strings, e.g. NAME TYPE {1, "a", 2}.
 686 class UserDefinedResource : public RCResource {
 687 public:
 688   IntOrString Type;
 689   StringRef FileLoc;
 690   std::vector<IntOrString> Contents;
 691   bool IsFileResource;
 692
 693   UserDefinedResource(IntOrString ResourceType, StringRef FileLocation,
 694                       uint16_t Flags)
 695       : RCResource(Flags), Type(ResourceType), FileLoc(FileLocation),
 696         IsFileResource(true) {}
 697   UserDefinedResource(IntOrString ResourceType, std::vector<IntOrString> &&Data,
 698                       uint16_t Flags)
 699       : RCResource(Flags), Type(ResourceType), Contents(std::move(Data)),
 700         IsFileResource(false) {}
 701
 702   raw_ostream &log(raw_ostream &) const override;
 703   IntOrString getResourceType() const override { return Type; }
 704   Twine getResourceTypeName() const override { return Type; }
 705   static uint16_t getDefaultMemoryFlags() { return MfPure | MfMoveable; }
 706
 707   Error visit(Visitor *V) const override {
 708     return V->visitUserDefinedResource(this);
 709   }
 710   ResourceKind getKind() const override { return RkUser; }
 711   static bool classof(const RCResource *Res) {
 712     return Res->getKind() == RkUser;
 713   }
 714 };
 715
 716 // -- VERSIONINFO resource and its helper classes --
 717 //
 718 // This resource lists the version information on the executable/library.
 719 // The declaration consists of the following items:
 720 //   * A number of fixed optional version statements (e.g. FILEVERSION, FILEOS)
 721 //   * BEGIN
 722 //   * A number of BLOCK and/or VALUE statements. BLOCK recursively defines
 723 //       another block of version information, whereas VALUE defines a
 724 //       key -> value correspondence. There might be more than one value
 725 //       corresponding to the single key.
 726 //   * END
 727 //
 728 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381058(v=vs.85).aspx
 729
 730 // A single VERSIONINFO statement;
 731 class VersionInfoStmt {
 732 public:
 733   enum StmtKind { StBase = 0, StBlock = 1, StValue = 2 };
 734
 735   virtual raw_ostream &log(raw_ostream &OS) const { return OS << "VI stmt\n"; }
 736   virtual ~VersionInfoStmt() {}
 737
 738   virtual StmtKind getKind() const { return StBase; }
 739   static bool classof(const VersionInfoStmt *S) {
 740     return S->getKind() == StBase;
 741   }
 742 };
 743
 744 // BLOCK definition; also the main VERSIONINFO declaration is considered a
 745 // BLOCK, although it has no name.
 746 // The correct top-level blocks are "VarFileInfo" and "StringFileInfo". We don't
 747 // care about them at the parsing phase.
 748 class VersionInfoBlock : public VersionInfoStmt {
 749 public:
 750   std::vector<std::unique_ptr<VersionInfoStmt>> Stmts;
 751   StringRef Name;
 752
 753   VersionInfoBlock(StringRef BlockName) : Name(BlockName) {}
 754   void addStmt(std::unique_ptr<VersionInfoStmt> Stmt) {
 755     Stmts.push_back(std::move(Stmt));
 756   }
 757   raw_ostream &log(raw_ostream &) const override;
 758
 759   StmtKind getKind() const override { return StBlock; }
 760   static bool classof(const VersionInfoStmt *S) {
 761     return S->getKind() == StBlock;
 762   }
 763 };
 764
 765 class VersionInfoValue : public VersionInfoStmt {
 766 public:
 767   StringRef Key;
 768   std::vector<IntOrString> Values;
 769   std::vector<bool> HasPrecedingComma;
 770
 771   VersionInfoValue(StringRef InfoKey, std::vector<IntOrString> &&Vals,
 772                    std::vector<bool> &&CommasBeforeVals)
 773       : Key(InfoKey), Values(std::move(Vals)),
 774         HasPrecedingComma(std::move(CommasBeforeVals)) {}
 775   raw_ostream &log(raw_ostream &) const override;
 776
 777   StmtKind getKind() const override { return StValue; }
 778   static bool classof(const VersionInfoStmt *S) {
 779     return S->getKind() == StValue;
 780   }
 781 };
 782
 783 class VersionInfoResource : public RCResource {
 784 public:
 785   // A class listing fixed VERSIONINFO statements (occuring before main BEGIN).
 786   // If any of these is not specified, it is assumed by the original tool to
 787   // be equal to 0.
 788   class VersionInfoFixed {
 789   public:
 790     enum VersionInfoFixedType {
 791       FtUnknown,
 792       FtFileVersion,
 793       FtProductVersion,
 794       FtFileFlagsMask,
 795       FtFileFlags,
 796       FtFileOS,
 797       FtFileType,
 798       FtFileSubtype,
 799       FtNumTypes
 800     };
 801
 802   private:
 803     static const StringMap<VersionInfoFixedType> FixedFieldsInfoMap;
 804     static const StringRef FixedFieldsNames[FtNumTypes];
 805
 806   public:
 807     SmallVector<uint32_t, 4> FixedInfo[FtNumTypes];
 808     SmallVector<bool, FtNumTypes> IsTypePresent;
 809
 810     static VersionInfoFixedType getFixedType(StringRef Type);
 811     static bool isTypeSupported(VersionInfoFixedType Type);
 812     static bool isVersionType(VersionInfoFixedType Type);
 813
 814     VersionInfoFixed() : IsTypePresent(FtNumTypes, false) {}
 815
 816     void setValue(VersionInfoFixedType Type, ArrayRef<uint32_t> Value) {
 817       FixedInfo[Type] = SmallVector<uint32_t, 4>(Value.begin(), Value.end());
 818       IsTypePresent[Type] = true;
 819     }
 820
 821     raw_ostream &log(raw_ostream &) const;
 822   };
 823
 824   VersionInfoBlock MainBlock;
 825   VersionInfoFixed FixedData;
 826
 827   VersionInfoResource(VersionInfoBlock &&TopLevelBlock,
 828                       VersionInfoFixed &&FixedInfo, uint16_t Flags)
 829       : RCResource(Flags), MainBlock(std::move(TopLevelBlock)),
 830         FixedData(std::move(FixedInfo)) {}
 831
 832   raw_ostream &log(raw_ostream &) const override;
 833   IntOrString getResourceType() const override { return RkVersionInfo; }
 834   static uint16_t getDefaultMemoryFlags() { return MfMoveable | MfPure; }
 835   Twine getResourceTypeName() const override { return "VERSIONINFO"; }
 836   Error visit(Visitor *V) const override {
 837     return V->visitVersionInfoResource(this);
 838   }
 839   ResourceKind getKind() const override { return RkVersionInfo; }
 840   static bool classof(const RCResource *Res) {
 841     return Res->getKind() == RkVersionInfo;
 842   }
 843 };
 844
 845 // CHARACTERISTICS optional statement.
 846 //
 847 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380872(v=vs.85).aspx
 848 class CharacteristicsStmt : public OptionalStmt {
 849 public:
 850   uint32_t Value;
 851
 852   CharacteristicsStmt(uint32_t Characteristic) : Value(Characteristic) {}
 853   raw_ostream &log(raw_ostream &) const override;
 854
 855   Twine getResourceTypeName() const override { return "CHARACTERISTICS"; }
 856   Error visit(Visitor *V) const override {
 857     return V->visitCharacteristicsStmt(this);
 858   }
 859 };
 860
 861 // VERSION optional statement.
 862 //
 863 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381059(v=vs.85).aspx
 864 class VersionStmt : public OptionalStmt {
 865 public:
 866   uint32_t Value;
 867
 868   VersionStmt(uint32_t Version) : Value(Version) {}
 869   raw_ostream &log(raw_ostream &) const override;
 870
 871   Twine getResourceTypeName() const override { return "VERSION"; }
 872   Error visit(Visitor *V) const override { return V->visitVersionStmt(this); }
 873 };
 874
 875 // CAPTION optional statement.
 876 //
 877 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380778(v=vs.85).aspx
 878 class CaptionStmt : public OptionalStmt {
 879 public:
 880   StringRef Value;
 881
 882   CaptionStmt(StringRef Caption) : Value(Caption) {}
 883   raw_ostream &log(raw_ostream &) const override;
 884   Twine getResourceTypeName() const override { return "CAPTION"; }
 885   Error visit(Visitor *V) const override { return V->visitCaptionStmt(this); }
 886 };
 887
 888 // FONT optional statement.
 889 // Note that the documentation is inaccurate: it expects five arguments to be
 890 // given, however the example provides only two. In fact, the original tool
 891 // expects two arguments - point size and name of the typeface.
 892 //
 893 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381013(v=vs.85).aspx
 894 class FontStmt : public OptionalStmt {
 895 public:
 896   uint32_t Size, Weight, Charset;
 897   StringRef Name;
 898   bool Italic;
 899
 900   FontStmt(uint32_t FontSize, StringRef FontName, uint32_t FontWeight,
 901            bool FontItalic, uint32_t FontCharset)
 902       : Size(FontSize), Weight(FontWeight), Charset(FontCharset),
 903         Name(FontName), Italic(FontItalic) {}
 904   raw_ostream &log(raw_ostream &) const override;
 905   Twine getResourceTypeName() const override { return "FONT"; }
 906   Error visit(Visitor *V) const override { return V->visitFontStmt(this); }
 907 };
 908
 909 // STYLE optional statement.
 910 //
 911 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381051(v=vs.85).aspx
 912 class StyleStmt : public OptionalStmt {
 913 public:
 914   uint32_t Value;
 915
 916   StyleStmt(uint32_t Style) : Value(Style) {}
 917   raw_ostream &log(raw_ostream &) const override;
 918   Twine getResourceTypeName() const override { return "STYLE"; }
 919   Error visit(Visitor *V) const override { return V->visitStyleStmt(this); }
 920 };
 921
 922 // EXSTYLE optional statement.
 923 //
 924 // Ref: docs.microsoft.com/en-us/windows/desktop/menurc/exstyle-statement
 925 class ExStyleStmt : public OptionalStmt {
 926 public:
 927   uint32_t Value;
 928
 929   ExStyleStmt(uint32_t ExStyle) : Value(ExStyle) {}
 930   raw_ostream &log(raw_ostream &) const override;
 931   Twine getResourceTypeName() const override { return "EXSTYLE"; }
 932   Error visit(Visitor *V) const override { return V->visitExStyleStmt(this); }
 933 };
 934
 935 // CLASS optional statement.
 936 //
 937 // Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380883(v=vs.85).aspx
 938 class ClassStmt : public OptionalStmt {
 939 public:
 940   IntOrString Value;
 941
 942   ClassStmt(IntOrString Class) : Value(Class) {}
 943   raw_ostream &log(raw_ostream &) const override;
 944   Twine getResourceTypeName() const override { return "CLASS"; }
 945   Error visit(Visitor *V) const override { return V->visitClassStmt(this); }
 946 };
 947
 948 } // namespace rc
 949 } // namespace llvm
 950
 951 #endif