/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying file Copyright.txt or https://cmake.org/licensing for details. */ #ifndef cmCryptoHash_h #define cmCryptoHash_h #include #include #include #include /** * @brief Abstract base class for cryptographic hash generators */ class cmCryptoHash { public: virtual ~cmCryptoHash() {} /// @brief Returns a new hash generator of the requested type /// @arg algo Hash type name. Supported hash types are /// MD5, SHA1, SHA224, SHA256, SHA384, SHA512 /// @return A valid auto pointer if algo is supported or /// an invalid/NULL pointer otherwise static CM_AUTO_PTR New(const char* algo); /// @brief Converts a hex character to its binary value (4 bits) /// @arg input Hex character [0-9a-fA-F]. /// @arg output Binary value of the input character (4 bits) /// @return True if input was a valid hex character static bool IntFromHexDigit(char input, char& output); /// @brief Converts a byte hash to a sequence of hex character pairs static std::string ByteHashToString(const std::vector& hash); /// @brief Calculates a binary hash from string input data /// @return Binary hash vector std::vector ByteHashString(const std::string& input); /// @brief Calculates a binary hash from file content /// @see ByteHashString() /// @return Non empty binary hash vector if the file was read successfully. /// An empty vector otherwise. std::vector ByteHashFile(const std::string& file); /// @brief Calculates a hash string from string input data /// @return Sequence of hex characters pairs for each byte of the binary hash std::string HashString(const std::string& input); /// @brief Calculates a hash string from file content /// @see HashString() /// @return Non empty hash string if the file was read successfully. /// An empty string otherwise. std::string HashFile(const std::string& file); protected: virtual void Initialize() = 0; virtual void Append(unsigned char const*, int) = 0; virtual std::vector Finalize() = 0; }; class cmCryptoHashMD5 : public cmCryptoHash { struct cmsysMD5_s* MD5; public: cmCryptoHashMD5(); ~cmCryptoHashMD5() CM_OVERRIDE; protected: void Initialize() CM_OVERRIDE; void Append(unsigned char const* buf, int sz) CM_OVERRIDE; std::vector Finalize() CM_OVERRIDE; }; #define cmCryptoHash_SHA_CLASS_DECL(SHA) \ class cmCryptoHash##SHA : public cmCryptoHash \ { \ union _SHA_CTX* SHA; \ \ public: \ cmCryptoHash##SHA(); \ ~cmCryptoHash##SHA(); \ \ protected: \ virtual void Initialize(); \ virtual void Append(unsigned char const* buf, int sz); \ virtual std::vector Finalize(); \ } cmCryptoHash_SHA_CLASS_DECL(SHA1); cmCryptoHash_SHA_CLASS_DECL(SHA224); cmCryptoHash_SHA_CLASS_DECL(SHA256); cmCryptoHash_SHA_CLASS_DECL(SHA384); cmCryptoHash_SHA_CLASS_DECL(SHA512); #undef cmCryptoHash_SHA_CLASS_DECL #endif href='#n17'>17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2012 Stephen Kelly <steveire@gmail.com>

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "cmMakefile.h"

#include "cmGeneratorExpressionEvaluator.h"
#include "cmGeneratorExpressionParser.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmGeneratorExpression.h"

#include <cmsys/String.h>

#include <assert.h>

//----------------------------------------------------------------------------
#if !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x510
static
#endif
void reportError(cmGeneratorExpressionContext *context,
                        const std::string &expr, const std::string &result)
{
  context->HadError = true;
  if (context->Quiet)
    {
    return;
    }

  cmOStringStream e;
  e << "Error evaluating generator expression:\n"
    << "  " << expr << "\n"
    << result;
  context->Makefile->GetCMakeInstance()
    ->IssueMessage(cmake::FATAL_ERROR, e.str().c_str(),
                    context->Backtrace);
}

//----------------------------------------------------------------------------
struct cmGeneratorExpressionNode
{
  virtual ~cmGeneratorExpressionNode() {}

  virtual bool GeneratesContent() const { return true; }

  virtual bool RequiresLiteralInput() const { return false; }

  virtual bool AcceptsSingleArbitraryContentParameter() const
    { return false; }

  virtual int NumExpectedParameters() const { return 1; }

  virtual std::string Evaluate(const std::vector<std::string> &parameters,
                               cmGeneratorExpressionContext *context,
                               const GeneratorExpressionContent *content,
                               cmGeneratorExpressionDAGChecker *dagChecker
                              ) const = 0;
};

//----------------------------------------------------------------------------
static const struct ZeroNode : public cmGeneratorExpressionNode
{
  ZeroNode() {}

  virtual bool GeneratesContent() const { return false; }

  virtual bool AcceptsSingleArbitraryContentParameter() const { return true; }

  std::string Evaluate(const std::vector<std::string> &,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    // Unreachable
    return std::string();
  }
} zeroNode;

//----------------------------------------------------------------------------
static const struct OneNode : public cmGeneratorExpressionNode
{
  OneNode() {}

  virtual bool AcceptsSingleArbitraryContentParameter() const { return true; }

  std::string Evaluate(const std::vector<std::string> &,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    // Unreachable
    return std::string();
  }
} oneNode;

//----------------------------------------------------------------------------
static const struct OneNode buildInterfaceNode;

//----------------------------------------------------------------------------
static const struct ZeroNode installInterfaceNode;

//----------------------------------------------------------------------------
#define BOOLEAN_OP_NODE(OPNAME, OP, SUCCESS_VALUE, FAILURE_VALUE) \
static const struct OP ## Node : public cmGeneratorExpressionNode \
{ \
  OP ## Node () {} \
/* We let -1 carry the meaning 'at least one' */ \
  virtual int NumExpectedParameters() const { return -1; } \
 \
  std::string Evaluate(const std::vector<std::string> &parameters, \
                       cmGeneratorExpressionContext *context, \
                       const GeneratorExpressionContent *content, \
                       cmGeneratorExpressionDAGChecker *) const \
  { \
    std::vector<std::string>::const_iterator it = parameters.begin(); \
    const std::vector<std::string>::const_iterator end = parameters.end(); \
    for ( ; it != end; ++it) \
      { \
      if (*it == #FAILURE_VALUE) \
        { \
        return #FAILURE_VALUE; \
        } \
      else if (*it != #SUCCESS_VALUE) \
        { \
        reportError(context, content->GetOriginalExpression(), \
        "Parameters to $<" #OP "> must resolve to either '0' or '1'."); \
        return std::string(); \
        } \
      } \
    return #SUCCESS_VALUE; \
  } \
} OPNAME;

BOOLEAN_OP_NODE(andNode, AND, 1, 0)
BOOLEAN_OP_NODE(orNode, OR, 0, 1)

#undef BOOLEAN_OP_NODE

//----------------------------------------------------------------------------
static const struct NotNode : public cmGeneratorExpressionNode
{
  NotNode() {}

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *context,
                       const GeneratorExpressionContent *content,
                       cmGeneratorExpressionDAGChecker *) const
  {
    if (*parameters.begin() != "0" && *parameters.begin() != "1")
      {
      reportError(context, content->GetOriginalExpression(),
            "$<NOT> parameter must resolve to exactly one '0' or '1' value.");
      return std::string();
      }
    return *parameters.begin() == "0" ? "1" : "0";
  }
} notNode;

//----------------------------------------------------------------------------
static const struct BoolNode : public cmGeneratorExpressionNode
{
  BoolNode() {}

  virtual int NumExpectedParameters() const { return 1; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return !cmSystemTools::IsOff(parameters.begin()->c_str()) ? "1" : "0";
  }
} boolNode;

//----------------------------------------------------------------------------
static const struct StrEqualNode : public cmGeneratorExpressionNode
{
  StrEqualNode() {}

  virtual int NumExpectedParameters() const { return 2; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return *parameters.begin() == parameters[1] ? "1" : "0";
  }
} strEqualNode;

//----------------------------------------------------------------------------
static const struct Angle_RNode : public cmGeneratorExpressionNode
{
  Angle_RNode() {}

  virtual int NumExpectedParameters() const { return 0; }

  std::string Evaluate(const std::vector<std::string> &,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return ">";
  }
} angle_rNode;

//----------------------------------------------------------------------------
static const struct CommaNode : public cmGeneratorExpressionNode
{
  CommaNode() {}

  virtual int NumExpectedParameters() const { return 0; }

  std::string Evaluate(const std::vector<std::string> &,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return ",";
  }
} commaNode;

//----------------------------------------------------------------------------
static const struct ConfigurationNode : public cmGeneratorExpressionNode
{
  ConfigurationNode() {}

  virtual int NumExpectedParameters() const { return 0; }

  std::string Evaluate(const std::vector<std::string> &,
                       cmGeneratorExpressionContext *context,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return context->Config ? context->Config : "";
  }
} configurationNode;

//----------------------------------------------------------------------------
static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
{
  ConfigurationTestNode() {}

  virtual int NumExpectedParameters() const { return 1; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *context,
                       const GeneratorExpressionContent *content,
                       cmGeneratorExpressionDAGChecker *) const
  {
    cmsys::RegularExpression configValidator;
    configValidator.compile("^[A-Za-z0-9_]*$");
    if (!configValidator.find(parameters.begin()->c_str()))
      {
      reportError(context, content->GetOriginalExpression(),
                  "Expression syntax not recognized.");
      return std::string();
      }
    if (!context->Config)
      {
      return parameters.front().empty() ? "1" : "0";
      }

    if (cmsysString_strcasecmp(parameters.begin()->c_str(),
                                  context->Config) == 0)
      {
      return "1";
      }

    if (context->CurrentTarget
        && context->CurrentTarget->IsImported())
      {
      const char* loc = 0;
      const char* imp = 0;
      std::string suffix;
      return context->CurrentTarget->GetMappedConfig(context->Config,
                                                  &loc,
                                                  &imp,
                                                  suffix) ? "1" : "0";
      }
    return "0";
  }
} configurationTestNode;


static const struct TargetDefinedNode : public cmGeneratorExpressionNode
{
  TargetDefinedNode() {}

  virtual int NumExpectedParameters() const { return 1; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *context,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return context->Makefile->FindTargetToUse(parameters.front().c_str())
      ? "1" : "0";
  }
} targetDefinedNode;

//----------------------------------------------------------------------------
static const char* targetPropertyTransitiveWhitelist[] = {
    "INTERFACE_INCLUDE_DIRECTORIES"
  , "INTERFACE_COMPILE_DEFINITIONS"
};

//----------------------------------------------------------------------------
static const struct TargetPropertyNode : public cmGeneratorExpressionNode
{
  TargetPropertyNode() {}

  // This node handles errors on parameter count itself.
  virtual int NumExpectedParameters() const { return -1; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *context,
                       const GeneratorExpressionContent *content,
                       cmGeneratorExpressionDAGChecker *dagCheckerParent
                      ) const
  {
    if (parameters.size() != 1 && parameters.size() != 2)
      {
      reportError(context, content->GetOriginalExpression(),
          "$<TARGET_PROPERTY:...> expression requires one or two parameters");
      return std::string();
      }
    cmsys::RegularExpression targetNameValidator;
    // The ':' is supported to allow use with IMPORTED targets. At least
    // Qt 4 and 5 IMPORTED targets use ':' as the namespace delimiter.
    targetNameValidator.compile("^[A-Za-z0-9_.:-]+$");
    cmsys::RegularExpression propertyNameValidator;
    propertyNameValidator.compile("^[A-Za-z0-9_]+$");

    cmTarget* target = context->HeadTarget;
    std::string propertyName = *parameters.begin();

    if (!target && parameters.size() == 1)
      {
      reportError(context, content->GetOriginalExpression(),
          "$<TARGET_PROPERTY:prop> may only be used with targets.  It may not "
          "be used with add_custom_command.  Specify the target to read a "
          "property from using the $<TARGET_PROPERTY:tgt,prop> signature "
          "instead.");
      return std::string();
      }

    if (parameters.size() == 2)
      {
      if (parameters.begin()->empty() && parameters[1].empty())
        {
        reportError(context, content->GetOriginalExpression(),
            "$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
            "target name and property name.");
        return std::string();
        }
      if (parameters.begin()->empty())
        {
        reportError(context, content->GetOriginalExpression(),
            "$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
            "target name.");
        return std::string();
        }

      std::string targetName = parameters.front();
      propertyName = parameters[1];
      if (!targetNameValidator.find(targetName.c_str()))
        {
        if (!propertyNameValidator.find(propertyName.c_str()))
          {
          ::reportError(context, content->GetOriginalExpression(),
                        "Target name and property name not supported.");
          return std::string();
          }
        ::reportError(context, content->GetOriginalExpression(),
                      "Target name not supported.");
        return std::string();
        }
      target = context->Makefile->FindTargetToUse(
                                                targetName.c_str());

      if (!target)
        {
        cmOStringStream e;
        e << "Target \""
          << targetName
          << "\" not found.";
        reportError(context, content->GetOriginalExpression(), e.str());
        return std::string();
        }
      }

    if (target == context->HeadTarget)
      {
      // Keep track of the properties seen while processing.
      // The evaluation of the LINK_LIBRARIES generator expressions
      // will check this to ensure that properties form a DAG.
      context->SeenTargetProperties.insert(propertyName);
      }

    if (propertyName.empty())
      {
      reportError(context, content->GetOriginalExpression(),
          "$<TARGET_PROPERTY:...> expression requires a non-empty property "
          "name.");
      return std::string();
      }

    if (!propertyNameValidator.find(propertyName.c_str()))
      {
      ::reportError(context, content->GetOriginalExpression(),
                    "Property name not supported.");
      return std::string();
      }

    assert(target);

    cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace,
                                               target->GetName(),
                                               propertyName,
                                               content,
                                               dagCheckerParent);

    switch (dagChecker.check())
      {
    case cmGeneratorExpressionDAGChecker::SELF_REFERENCE:
      dagChecker.reportError(context, content->GetOriginalExpression());
      return std::string();
    case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE:
      // No error. We just skip cyclic references.
      return std::string();
    case cmGeneratorExpressionDAGChecker::DAG:
      break;
      }

    const char *prop = target->GetProperty(propertyName.c_str());
    if (!prop)
      {
      return std::string();
      }

    for (size_t i = 0;
         i < (sizeof(targetPropertyTransitiveWhitelist) /
              sizeof(*targetPropertyTransitiveWhitelist));
         ++i)
      {
      if (targetPropertyTransitiveWhitelist[i] == propertyName)
        {
        cmGeneratorExpression ge(context->Backtrace);
        return ge.Parse(prop)->Evaluate(context->Makefile,
                            context->Config,
                            context->Quiet,
                            context->HeadTarget,
                            target,
                            &dagChecker);
        }
      }
    return prop;
  }
} targetPropertyNode;

//----------------------------------------------------------------------------
static const struct TargetNameNode : public cmGeneratorExpressionNode
{
  TargetNameNode() {}

  virtual bool GeneratesContent() const { return true; }

  virtual bool AcceptsSingleArbitraryContentParameter() const { return true; }
  virtual bool RequiresLiteralInput() const { return true; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *,
                       const GeneratorExpressionContent *,
                       cmGeneratorExpressionDAGChecker *) const
  {
    return parameters.front();
  }

  virtual int NumExpectedParameters() const { return 1; }

} targetNameNode;

//----------------------------------------------------------------------------
template<bool linker, bool soname>
struct TargetFilesystemArtifactResultCreator
{
  static std::string Create(cmTarget* target,
                            cmGeneratorExpressionContext *context,
                            const GeneratorExpressionContent *content);
};

//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<false, true>
{
  static std::string Create(cmTarget* target,
                            cmGeneratorExpressionContext *context,
                            const GeneratorExpressionContent *content)
  {
    // The target soname file (.so.1).
    if(target->IsDLLPlatform())
      {
      ::reportError(context, content->GetOriginalExpression(),
                    "TARGET_SONAME_FILE is not allowed "
                    "for DLL target platforms.");
      return std::string();
      }
    if(target->GetType() != cmTarget::SHARED_LIBRARY)
      {
      ::reportError(context, content->GetOriginalExpression(),
                    "TARGET_SONAME_FILE is allowed only for "
                    "SHARED libraries.");
      return std::string();
      }
    std::string result = target->GetDirectory(context->Config);
    result += "/";
    result += target->GetSOName(context->Config);
    return result;
  }
};

//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<true, false>
{
  static std::string Create(cmTarget* target,
                            cmGeneratorExpressionContext *context,
                            const GeneratorExpressionContent *content)
  {
    // The file used to link to the target (.so, .lib, .a).
    if(!target->IsLinkable())
      {
      ::reportError(context, content->GetOriginalExpression(),
                    "TARGET_LINKER_FILE is allowed only for libraries and "
                    "executables with ENABLE_EXPORTS.");
      return std::string();
      }
    return target->GetFullPath(context->Config,
                               target->HasImportLibrary());
  }
};

//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<false, false>
{
  static std::string Create(cmTarget* target,
                            cmGeneratorExpressionContext *context,
                            const GeneratorExpressionContent *)
  {
    return target->GetFullPath(context->Config, false, true);
  }
};


//----------------------------------------------------------------------------
template<bool dirQual, bool nameQual>
struct TargetFilesystemArtifactResultGetter
{
  static std::string Get(const std::string &result);
};

//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultGetter<false, true>
{
  static std::string Get(const std::string &result)
  { return cmSystemTools::GetFilenameName(result); }
};

//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultGetter<true, false>
{
  static std::string Get(const std::string &result)
  { return cmSystemTools::GetFilenamePath(result); }
};

//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultGetter<false, false>
{
  static std::string Get(const std::string &result)
  { return result; }
};

//----------------------------------------------------------------------------
template<bool linker, bool soname, bool dirQual, bool nameQual>
struct TargetFilesystemArtifact : public cmGeneratorExpressionNode
{
  TargetFilesystemArtifact() {}

  virtual int NumExpectedParameters() const { return 1; }

  std::string Evaluate(const std::vector<std::string> &parameters,
                       cmGeneratorExpressionContext *context,
                       const GeneratorExpressionContent *content,
                       cmGeneratorExpressionDAGChecker *) const
  {
    // Lookup the referenced target.
    std::string name = *parameters.begin();

    cmsys::RegularExpression targetValidator;
    // The ':' is supported to allow use with IMPORTED targets.
    targetValidator.compile("^[A-Za-z0-9_.:-]+$");
    if (!targetValidator.find(name.c_str()))
      {
      ::reportError(context, content->GetOriginalExpression(),
                    "Expression syntax not recognized.");
      return std::string();
      }
    cmTarget* target = context->Makefile->FindTargetToUse(name.c_str());
    if(!target)
      {
      ::reportError(context, content->GetOriginalExpression(),
                    "No target \"" + name + "\"");
      return std::string();
      }
    if(target->GetType() >= cmTarget::UTILITY &&
      target->GetType() != cmTarget::UNKNOWN_LIBRARY)
      {
      ::reportError(context, content->GetOriginalExpression(),
                  "Target \"" + name + "\" is not an executable or library.");
      return std::string();
      }
    context->Targets.insert(target);

    std::string result =
                TargetFilesystemArtifactResultCreator<linker, soname>::Create(
                          target,
                          context,
                          content);
    if (context->HadError)
      {
      return std::string();
      }
    return
        TargetFilesystemArtifactResultGetter<dirQual, nameQual>::Get(result);
  }
};

//----------------------------------------------------------------------------
static const
TargetFilesystemArtifact<false, false, false, false> targetFileNode;
static const
TargetFilesystemArtifact<true, false, false, false> targetLinkerFileNode;
static const
TargetFilesystemArtifact<false, true, false, false> targetSoNameFileNode;
static const
TargetFilesystemArtifact<false, false, false, true> targetFileNameNode;
static const
TargetFilesystemArtifact<true, false, false, true> targetLinkerFileNameNode;
static const
TargetFilesystemArtifact<false, true, false, true> targetSoNameFileNameNode;
static const
TargetFilesystemArtifact<false, false, true, false> targetFileDirNode;
static const
TargetFilesystemArtifact<true, false, true, false> targetLinkerFileDirNode;
static const
TargetFilesystemArtifact<false, true, true, false> targetSoNameFileDirNode;

//----------------------------------------------------------------------------
static const
cmGeneratorExpressionNode* GetNode(const std::string &identifier)
{
  if (identifier == "0")
    return &zeroNode;
  else if (identifier == "1")
    return &oneNode;
  else if (identifier == "AND")
    return &andNode;
  else if (identifier == "OR")
    return &orNode;
  else if (identifier == "NOT")
    return &notNode;
  else if (identifier == "CONFIGURATION")
    return &configurationNode;
  else if (identifier == "CONFIG")
    return &configurationTestNode;
  else if (identifier == "TARGET_FILE")
    return &targetFileNode;
  else if (identifier == "TARGET_LINKER_FILE")
    return &targetLinkerFileNode;
  else if (identifier == "TARGET_SONAME_FILE")
    return &targetSoNameFileNode;
  else if (identifier == "TARGET_FILE_NAME")
    return &targetFileNameNode;
  else if (identifier == "TARGET_LINKER_FILE_NAME")
    return &targetLinkerFileNameNode;
  else if (identifier == "TARGET_SONAME_FILE_NAME")
    return &targetSoNameFileNameNode;
  else if (identifier == "TARGET_FILE_DIR")
    return &targetFileDirNode;
  else if (identifier == "TARGET_LINKER_FILE_DIR")
    return &targetLinkerFileDirNode;
  else if (identifier == "TARGET_SONAME_FILE_DIR")
    return &targetSoNameFileDirNode;
  else if (identifier == "STREQUAL")
    return &strEqualNode;
  else if (identifier == "BOOL")
    return &boolNode;
  else if (identifier == "ANGLE-R")
    return &angle_rNode;
  else if (identifier == "COMMA")
    return &commaNode;
  else if (identifier == "TARGET_PROPERTY")
    return &targetPropertyNode;
  else if (identifier == "TARGET_NAME")
    return &targetNameNode;
  else if (identifier == "BUILD_INTERFACE")
    return &buildInterfaceNode;
  else if (identifier == "INSTALL_INTERFACE")
    return &installInterfaceNode;
  else if (identifier == "TARGET_DEFINED")
    return &targetDefinedNode;
  return 0;

}

//----------------------------------------------------------------------------
GeneratorExpressionContent::GeneratorExpressionContent(
                                                    const char *startContent,
                                                    unsigned int length)
  : StartContent(startContent), ContentLength(length)
{

}

//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::GetOriginalExpression() const
{
  return std::string(this->StartContent, this->ContentLength);
}

//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::Evaluate(
                            cmGeneratorExpressionContext *context,
                            cmGeneratorExpressionDAGChecker *dagChecker) const
{
  std::string identifier;
  {
  std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
                                          = this->IdentifierChildren.begin();
  const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
                                          = this->IdentifierChildren.end();
  for ( ; it != end; ++it)
    {
    identifier += (*it)->Evaluate(context, dagChecker);
    if (context->HadError)
      {
      return std::string();
      }
    }
  }

  const cmGeneratorExpressionNode *node = GetNode(identifier);

  if (!node)
    {
    reportError(context, this->GetOriginalExpression(),
              "Expression did not evaluate to a known generator expression");
    return std::string();
    }

  if (!node->GeneratesContent())
    {
    if (node->AcceptsSingleArbitraryContentParameter())
      {
      if (this->ParamChildren.empty())
        {
        reportError(context, this->GetOriginalExpression(),
                  "$<" + identifier + "> expression requires a parameter.");
        }
      }
    else
      {
      std::vector<std::string> parameters;
      this->EvaluateParameters(node, identifier, context, dagChecker,
                               parameters);
      }
    return std::string();
    }

  if (node->AcceptsSingleArbitraryContentParameter())
    {
    std::string result;
    std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
                                        pit = this->ParamChildren.begin();
    const
    std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
                                        pend = this->ParamChildren.end();
    for ( ; pit != pend; ++pit)
      {
      if (!result.empty())
        {
        result += ",";
        }

      std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
                                                              = pit->begin();
      const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
                                                                = pit->end();
      for ( ; it != end; ++it)
        {
        if (node->RequiresLiteralInput())
          {
          if ((*it)->GetType() != cmGeneratorExpressionEvaluator::Text)
            {
            reportError(context, this->GetOriginalExpression(),
                  "$<" + identifier + "> expression requires literal input.");
            return std::string();
            }
          }
        result += (*it)->Evaluate(context, dagChecker);
        if (context->HadError)
          {
          return std::string();
          }
        }
      }
    if (node->RequiresLiteralInput())
      {
      std::vector<std::string> parameters;
      parameters.push_back(result);
      return node->Evaluate(parameters, context, this, dagChecker);
      }
    return result;
    }

  std::vector<std::string> parameters;
  this->EvaluateParameters(node, identifier, context, dagChecker, parameters);
  if (context->HadError)
    {
    return std::string();
    }

  return node->Evaluate(parameters, context, this, dagChecker);
}

//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::EvaluateParameters(
                                const cmGeneratorExpressionNode *node,
                                const std::string &identifier,
                                cmGeneratorExpressionContext *context,
                                cmGeneratorExpressionDAGChecker *dagChecker,
                                std::vector<std::string> &parameters) const
{
  {
  std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
                                        pit = this->ParamChildren.begin();
  const
  std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
                                        pend = this->ParamChildren.end();
  for ( ; pit != pend; ++pit)
    {
    std::string parameter;
    std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
                                                              pit->begin();
    const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
                                                              pit->end();
    for ( ; it != end; ++it)
      {
      parameter += (*it)->Evaluate(context, dagChecker);
      if (context->HadError)
        {
        return std::string();
        }
      }
    parameters.push_back(parameter);
    }
  }

  int numExpected = node->NumExpectedParameters();
  if ((numExpected != -1 && (unsigned int)numExpected != parameters.size()))
    {
    if (numExpected == 0)
      {
      reportError(context, this->GetOriginalExpression(),
                  "$<" + identifier + "> expression requires no parameters.");
      }
    else if (numExpected == 1)
      {
      reportError(context, this->GetOriginalExpression(),
                  "$<" + identifier + "> expression requires "
                  "exactly one parameter.");
      }
    else
      {
      cmOStringStream e;
      e << "$<" + identifier + "> expression requires "
        << numExpected
        << " comma separated parameters, but got "
        << parameters.size() << " instead.";
      reportError(context, this->GetOriginalExpression(), e.str());
      }
    return std::string();
    }

  if (numExpected == -1 && parameters.empty())
    {
    reportError(context, this->GetOriginalExpression(), "$<" + identifier
                      + "> expression requires at least one parameter.");
    }
  return std::string();
}

//----------------------------------------------------------------------------
static void deleteAll(const std::vector<cmGeneratorExpressionEvaluator*> &c)
{
  std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
                                                  = c.begin();
  const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
                                                  = c.end();
  for ( ; it != end; ++it)
    {
    delete *it;
    }
}

//----------------------------------------------------------------------------
GeneratorExpressionContent::~GeneratorExpressionContent()
{
  deleteAll(this->IdentifierChildren);

  typedef std::vector<cmGeneratorExpressionEvaluator*> EvaluatorVector;
  typedef std::vector<cmGeneratorExpressionToken> TokenVector;
  std::vector<EvaluatorVector>::const_iterator pit =
                                                  this->ParamChildren.begin();
  const std::vector<EvaluatorVector>::const_iterator pend =
                                                  this->ParamChildren.end();
  for ( ; pit != pend; ++pit)
    {
    deleteAll(*pit);
    }
}
generated by cgit v0.12 at 2025-01-28 03:53:01 (GMT)