From 9df1f0fce19d893b75108fa29eb06cf6b2ce4997 Mon Sep 17 00:00:00 2001 From: Stephen Kelly Date: Sun, 22 Feb 2015 23:32:11 +0100 Subject: [PATCH] Genex: Split cmGeneratorExpressionNode into own file. --- Source/CMakeLists.txt | 2 + Source/cmGeneratorExpressionEvaluator.cxx | 1892 +-------------------- Source/cmGeneratorExpressionNode.cxx | 1870 ++++++++++++++++++++ Source/cmGeneratorExpressionNode.h | 70 + bootstrap | 1 + 5 files changed, 1946 insertions(+), 1889 deletions(-) create mode 100644 Source/cmGeneratorExpressionNode.cxx create mode 100644 Source/cmGeneratorExpressionNode.h diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt index 5b518b8f0..8d0d48494 100644 --- a/Source/CMakeLists.txt +++ b/Source/CMakeLists.txt @@ -244,6 +244,8 @@ set(SRCS cmGeneratorExpressionEvaluator.h cmGeneratorExpressionLexer.cxx cmGeneratorExpressionLexer.h + cmGeneratorExpressionNode.cxx + cmGeneratorExpressionNode.h cmGeneratorExpressionParser.cxx cmGeneratorExpressionParser.h cmGeneratorExpression.cxx diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx index 756d93206..f2ffeefc3 100644 --- a/Source/cmGeneratorExpressionEvaluator.cxx +++ b/Source/cmGeneratorExpressionEvaluator.cxx @@ -24,1894 +24,7 @@ #include #include -//---------------------------------------------------------------------------- -static void reportError(cmGeneratorExpressionContext *context, - const std::string &expr, const std::string &result) -{ - context->HadError = true; - if (context->Quiet) - { - return; - } - - std::ostringstream e; - e << "Error evaluating generator expression:\n" - << " " << expr << "\n" - << result; - context->Makefile->GetCMakeInstance() - ->IssueMessage(cmake::FATAL_ERROR, e.str(), - context->Backtrace); -} - -//---------------------------------------------------------------------------- -struct cmGeneratorExpressionNode -{ - enum { - DynamicParameters = 0, - OneOrMoreParameters = -1, - OneOrZeroParameters = -2 - }; - virtual ~cmGeneratorExpressionNode() {} - - virtual bool GeneratesContent() const { return true; } - - virtual bool RequiresLiteralInput() const { return false; } - - virtual bool AcceptsArbitraryContentParameter() const - { return false; } - - virtual int NumExpectedParameters() const { return 1; } - - virtual std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker - ) const = 0; - - static std::string EvaluateDependentExpression( - std::string const& prop, cmMakefile *makefile, - cmGeneratorExpressionContext *context, - cmTarget const* headTarget, cmTarget const* currentTarget, - cmGeneratorExpressionDAGChecker *dagChecker); -}; - -//---------------------------------------------------------------------------- -std::string cmGeneratorExpressionNode::EvaluateDependentExpression( - std::string const& prop, cmMakefile *makefile, - cmGeneratorExpressionContext *context, - cmTarget const* headTarget, cmTarget const* currentTarget, - cmGeneratorExpressionDAGChecker *dagChecker) -{ - cmGeneratorExpression ge(&context->Backtrace); - cmsys::auto_ptr cge = ge.Parse(prop); - cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem); - std::string result = cge->Evaluate(makefile, - context->Config, - context->Quiet, - headTarget, - currentTarget, - dagChecker, - context->Language); - if (cge->GetHadContextSensitiveCondition()) - { - context->HadContextSensitiveCondition = true; - } - if (cge->GetHadHeadSensitiveCondition()) - { - context->HadHeadSensitiveCondition = true; - } - return result; -} - -//---------------------------------------------------------------------------- -static const struct ZeroNode : public cmGeneratorExpressionNode -{ - ZeroNode() {} - - virtual bool GeneratesContent() const { return false; } - - virtual bool AcceptsArbitraryContentParameter() const { return true; } - - std::string Evaluate(const std::vector &, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return std::string(); - } -} zeroNode; - -//---------------------------------------------------------------------------- -static const struct OneNode : public cmGeneratorExpressionNode -{ - OneNode() {} - - virtual bool AcceptsArbitraryContentParameter() const { return true; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return parameters.front(); - } -} 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 () {} \ - virtual int NumExpectedParameters() const { return OneOrMoreParameters; } \ - \ - std::string Evaluate(const std::vector ¶meters, \ - cmGeneratorExpressionContext *context, \ - const GeneratorExpressionContent *content, \ - cmGeneratorExpressionDAGChecker *) const \ - { \ - std::vector::const_iterator it = parameters.begin(); \ - const std::vector::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 $<" #OP "> must resolve to either '0' or '1'."); \ - return std::string(); \ - } \ - } \ - return #SUCCESS_VALUE; \ - } \ -} OPNAME; - -BOOLEAN_OP_NODE(andNode, AND, 1, 0) -BOOLEAN_OP_NODE(orNode, OR, 0, 1) - -#undef BOOLEAN_OP_NODE - -//---------------------------------------------------------------------------- -static const struct NotNode : public cmGeneratorExpressionNode -{ - NotNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *) const - { - if (*parameters.begin() != "0" && *parameters.begin() != "1") - { - reportError(context, content->GetOriginalExpression(), - "$ 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 ¶meters, - 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 ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return *parameters.begin() == parameters[1] ? "1" : "0"; - } -} strEqualNode; - -//---------------------------------------------------------------------------- -static const struct EqualNode : public cmGeneratorExpressionNode -{ - EqualNode() {} - - virtual int NumExpectedParameters() const { return 2; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *) const - { - char *pEnd; - - int base = 0; - bool flipSign = false; - - const char *lhs = parameters[0].c_str(); - if (cmHasLiteralPrefix(lhs, "0b") || cmHasLiteralPrefix(lhs, "0B")) - { - base = 2; - lhs += 2; - } - if (cmHasLiteralPrefix(lhs, "-0b") || cmHasLiteralPrefix(lhs, "-0B")) - { - base = 2; - lhs += 3; - flipSign = true; - } - if (cmHasLiteralPrefix(lhs, "+0b") || cmHasLiteralPrefix(lhs, "+0B")) - { - base = 2; - lhs += 3; - } - - long lnum = strtol(lhs, &pEnd, base); - if (pEnd == lhs || *pEnd != '\0' || errno == ERANGE) - { - reportError(context, content->GetOriginalExpression(), - "$ parameter " + parameters[0] + " is not a valid integer."); - return std::string(); - } - - if (flipSign) - { - lnum = -lnum; - } - - base = 0; - flipSign = false; - - const char *rhs = parameters[1].c_str(); - if (cmHasLiteralPrefix(rhs, "0b") || cmHasLiteralPrefix(rhs, "0B")) - { - base = 2; - rhs += 2; - } - if (cmHasLiteralPrefix(rhs, "-0b") || cmHasLiteralPrefix(rhs, "-0B")) - { - base = 2; - rhs += 3; - flipSign = true; - } - if (cmHasLiteralPrefix(rhs, "+0b") || cmHasLiteralPrefix(rhs, "+0B")) - { - base = 2; - rhs += 3; - } - - long rnum = strtol(rhs, &pEnd, base); - if (pEnd == rhs || *pEnd != '\0' || errno == ERANGE) - { - reportError(context, content->GetOriginalExpression(), - "$ parameter " + parameters[1] + " is not a valid integer."); - return std::string(); - } - - if (flipSign) - { - rnum = -rnum; - } - - return lnum == rnum ? "1" : "0"; - } -} equalNode; - -//---------------------------------------------------------------------------- -static const struct LowerCaseNode : public cmGeneratorExpressionNode -{ - LowerCaseNode() {} - - bool AcceptsArbitraryContentParameter() const { return true; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return cmSystemTools::LowerCase(parameters.front()); - } -} lowerCaseNode; - -//---------------------------------------------------------------------------- -static const struct UpperCaseNode : public cmGeneratorExpressionNode -{ - UpperCaseNode() {} - - bool AcceptsArbitraryContentParameter() const { return true; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return cmSystemTools::UpperCase(parameters.front()); - } -} upperCaseNode; - -//---------------------------------------------------------------------------- -static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode -{ - MakeCIdentifierNode() {} - - bool AcceptsArbitraryContentParameter() const { return true; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return cmSystemTools::MakeCidentifier(parameters.front()); - } -} makeCIdentifierNode; - -//---------------------------------------------------------------------------- -static const struct Angle_RNode : public cmGeneratorExpressionNode -{ - Angle_RNode() {} - - virtual int NumExpectedParameters() const { return 0; } - - std::string Evaluate(const std::vector &, - 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 &, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return ","; - } -} commaNode; - -//---------------------------------------------------------------------------- -static const struct SemicolonNode : public cmGeneratorExpressionNode -{ - SemicolonNode() {} - - virtual int NumExpectedParameters() const { return 0; } - - std::string Evaluate(const std::vector &, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return ";"; - } -} semicolonNode; - -//---------------------------------------------------------------------------- -struct CompilerIdNode : public cmGeneratorExpressionNode -{ - CompilerIdNode() {} - - virtual int NumExpectedParameters() const { return OneOrZeroParameters; } - - std::string EvaluateWithLanguage(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *, - const std::string &lang) const - { - const char *compilerId = - context->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER_ID"); - if (parameters.empty()) - { - return compilerId ? compilerId : ""; - } - static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$"); - if (!compilerIdValidator.find(*parameters.begin())) - { - reportError(context, content->GetOriginalExpression(), - "Expression syntax not recognized."); - return std::string(); - } - if (!compilerId) - { - return parameters.front().empty() ? "1" : "0"; - } - - if (strcmp(parameters.begin()->c_str(), compilerId) == 0) - { - return "1"; - } - - if (cmsysString_strcasecmp(parameters.begin()->c_str(), compilerId) == 0) - { - switch(context->Makefile->GetPolicyStatus(cmPolicies::CMP0044)) - { - case cmPolicies::WARN: - { - std::ostringstream e; - e << context->Makefile->GetPolicies() - ->GetPolicyWarning(cmPolicies::CMP0044); - context->Makefile->GetCMakeInstance() - ->IssueMessage(cmake::AUTHOR_WARNING, - e.str(), context->Backtrace); - } - case cmPolicies::OLD: - return "1"; - case cmPolicies::NEW: - case cmPolicies::REQUIRED_ALWAYS: - case cmPolicies::REQUIRED_IF_USED: - break; - } - } - return "0"; - } -}; - -//---------------------------------------------------------------------------- -static const struct CCompilerIdNode : public CompilerIdNode -{ - CCompilerIdNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - if (!context->HeadTarget) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. It may " - "not be used with add_custom_command or add_custom_target."); - return std::string(); - } - return this->EvaluateWithLanguage(parameters, context, content, - dagChecker, "C"); - } -} cCompilerIdNode; - -//---------------------------------------------------------------------------- -static const struct CXXCompilerIdNode : public CompilerIdNode -{ - CXXCompilerIdNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - if (!context->HeadTarget) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. It may " - "not be used with add_custom_command or add_custom_target."); - return std::string(); - } - return this->EvaluateWithLanguage(parameters, context, content, - dagChecker, "CXX"); - } -} cxxCompilerIdNode; - -//---------------------------------------------------------------------------- -struct CompilerVersionNode : public cmGeneratorExpressionNode -{ - CompilerVersionNode() {} - - virtual int NumExpectedParameters() const { return OneOrZeroParameters; } - - std::string EvaluateWithLanguage(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *, - const std::string &lang) const - { - const char *compilerVersion = context->Makefile->GetSafeDefinition( - "CMAKE_" + lang + "_COMPILER_VERSION"); - if (parameters.empty()) - { - return compilerVersion ? compilerVersion : ""; - } - - static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$"); - if (!compilerIdValidator.find(*parameters.begin())) - { - reportError(context, content->GetOriginalExpression(), - "Expression syntax not recognized."); - return std::string(); - } - if (!compilerVersion) - { - return parameters.front().empty() ? "1" : "0"; - } - - return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, - parameters.begin()->c_str(), - compilerVersion) ? "1" : "0"; - } -}; - -//---------------------------------------------------------------------------- -static const struct CCompilerVersionNode : public CompilerVersionNode -{ - CCompilerVersionNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - if (!context->HeadTarget) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. It " - "may not be used with add_custom_command or add_custom_target."); - return std::string(); - } - return this->EvaluateWithLanguage(parameters, context, content, - dagChecker, "C"); - } -} cCompilerVersionNode; - -//---------------------------------------------------------------------------- -static const struct CxxCompilerVersionNode : public CompilerVersionNode -{ - CxxCompilerVersionNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - if (!context->HeadTarget) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. It " - "may not be used with add_custom_command or add_custom_target."); - return std::string(); - } - return this->EvaluateWithLanguage(parameters, context, content, - dagChecker, "CXX"); - } -} cxxCompilerVersionNode; - - -//---------------------------------------------------------------------------- -struct PlatformIdNode : public cmGeneratorExpressionNode -{ - PlatformIdNode() {} - - virtual int NumExpectedParameters() const { return OneOrZeroParameters; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - const char *platformId = - context->Makefile->GetSafeDefinition("CMAKE_SYSTEM_NAME"); - if (parameters.empty()) - { - return platformId ? platformId : ""; - } - - if (!platformId) - { - return parameters.front().empty() ? "1" : "0"; - } - - if (strcmp(parameters.begin()->c_str(), platformId) == 0) - { - return "1"; - } - return "0"; - } -} platformIdNode; - -//---------------------------------------------------------------------------- -static const struct VersionGreaterNode : public cmGeneratorExpressionNode -{ - VersionGreaterNode() {} - - virtual int NumExpectedParameters() const { return 2; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER, - parameters.front().c_str(), - parameters[1].c_str()) ? "1" : "0"; - } -} versionGreaterNode; - -//---------------------------------------------------------------------------- -static const struct VersionLessNode : public cmGeneratorExpressionNode -{ - VersionLessNode() {} - - virtual int NumExpectedParameters() const { return 2; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS, - parameters.front().c_str(), - parameters[1].c_str()) ? "1" : "0"; - } -} versionLessNode; - -//---------------------------------------------------------------------------- -static const struct VersionEqualNode : public cmGeneratorExpressionNode -{ - VersionEqualNode() {} - - virtual int NumExpectedParameters() const { return 2; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, - parameters.front().c_str(), - parameters[1].c_str()) ? "1" : "0"; - } -} versionEqualNode; - -//---------------------------------------------------------------------------- -static const struct LinkOnlyNode : public cmGeneratorExpressionNode -{ - LinkOnlyNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - if(!dagChecker->GetTransitivePropertiesOnly()) - { - return parameters.front(); - } - return ""; - } -} linkOnlyNode; - -//---------------------------------------------------------------------------- -static const struct ConfigurationNode : public cmGeneratorExpressionNode -{ - ConfigurationNode() {} - - virtual int NumExpectedParameters() const { return 0; } - - std::string Evaluate(const std::vector &, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - context->HadContextSensitiveCondition = true; - return context->Config; - } -} configurationNode; - -//---------------------------------------------------------------------------- -static const struct ConfigurationTestNode : public cmGeneratorExpressionNode -{ - ConfigurationTestNode() {} - - virtual int NumExpectedParameters() const { return OneOrZeroParameters; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *) const - { - if (parameters.empty()) - { - return configurationNode.Evaluate(parameters, context, content, 0); - } - static cmsys::RegularExpression configValidator("^[A-Za-z0-9_]*$"); - if (!configValidator.find(*parameters.begin())) - { - reportError(context, content->GetOriginalExpression(), - "Expression syntax not recognized."); - return std::string(); - } - context->HadContextSensitiveCondition = true; - if (context->Config.empty()) - { - return parameters.front().empty() ? "1" : "0"; - } - - if (cmsysString_strcasecmp(parameters.begin()->c_str(), - context->Config.c_str()) == 0) - { - return "1"; - } - - if (context->CurrentTarget - && context->CurrentTarget->IsImported()) - { - const char* loc = 0; - const char* imp = 0; - std::string suffix; - if (context->CurrentTarget->GetMappedConfig(context->Config, - &loc, - &imp, - suffix)) - { - // This imported target has an appropriate location - // for this (possibly mapped) config. - // Check if there is a proper config mapping for the tested config. - std::vector mappedConfigs; - std::string mapProp = "MAP_IMPORTED_CONFIG_"; - mapProp += cmSystemTools::UpperCase(context->Config); - if(const char* mapValue = - context->CurrentTarget->GetProperty(mapProp)) - { - cmSystemTools::ExpandListArgument(cmSystemTools::UpperCase(mapValue), - mappedConfigs); - return std::find(mappedConfigs.begin(), mappedConfigs.end(), - cmSystemTools::UpperCase(parameters.front())) - != mappedConfigs.end() ? "1" : "0"; - } - } - } - return "0"; - } -} configurationTestNode; - -static const struct JoinNode : public cmGeneratorExpressionNode -{ - JoinNode() {} - - virtual int NumExpectedParameters() const { return 2; } - - virtual bool AcceptsArbitraryContentParameter() const { return true; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - std::vector list; - cmSystemTools::ExpandListArgument(parameters.front(), list); - return cmJoin(list, parameters[1]); - } -} joinNode; - -static const struct CompileLanguageNode : public cmGeneratorExpressionNode -{ - CompileLanguageNode() {} - - virtual int NumExpectedParameters() const { return OneOrZeroParameters; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - if(context->Language.empty()) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used to specify include " - "directories compile definitions, compile options and to evaluate " - "components of the file(GENERATE) command."); - return std::string(); - } - - std::vector enabledLanguages; - cmGlobalGenerator* gg - = context->Makefile->GetLocalGenerator()->GetGlobalGenerator(); - gg->GetEnabledLanguages(enabledLanguages); - if (!parameters.empty() && - std::find(enabledLanguages.begin(), enabledLanguages.end(), - parameters.front()) == enabledLanguages.end()) - { - reportError(context, content->GetOriginalExpression(), - "$ Unknown language."); - return std::string(); - } - - std::string genName = gg->GetName(); - if (genName.find("Visual Studio") != std::string::npos) - { - reportError(context, content->GetOriginalExpression(), - "$ may not be used with Visual Studio " - "generators."); - return std::string(); - } - else if (genName.find("Xcode") != std::string::npos) - { - if (dagChecker && (dagChecker->EvaluatingCompileDefinitions() - || dagChecker->EvaluatingIncludeDirectories())) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with COMPILE_OPTIONS " - "with the Xcode generator."); - return std::string(); - } - } - else - { - if(genName.find("Makefiles") == std::string::npos && - genName.find("Ninja") == std::string::npos && - genName.find("Watcom WMake") == std::string::npos) - { - reportError(context, content->GetOriginalExpression(), - "$ not supported for this generator."); - return std::string(); - } - } - if (parameters.empty()) - { - return context->Language; - } - return context->Language == parameters.front() ? "1" : "0"; - } -} languageNode; - -#define TRANSITIVE_PROPERTY_NAME(PROPERTY) \ - , "INTERFACE_" #PROPERTY - -//---------------------------------------------------------------------------- -static const char* targetPropertyTransitiveWhitelist[] = { - 0 - CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_NAME) -}; - -#undef TRANSITIVE_PROPERTY_NAME - -template -std::string -getLinkedTargetsContent( - std::vector const &libraries, - cmTarget const* target, - cmTarget const* headTarget, - cmGeneratorExpressionContext *context, - cmGeneratorExpressionDAGChecker *dagChecker, - const std::string &interfacePropertyName) -{ - std::string linkedTargetsContent; - std::string sep; - std::string depString; - for (typename std::vector::const_iterator it = libraries.begin(); - it != libraries.end(); ++it) - { - // Broken code can have a target in its own link interface. - // Don't follow such link interface entries so as not to create a - // self-referencing loop. - if (it->Target && it->Target != target) - { - depString += - sep + "$Target->GetName() + "," + interfacePropertyName + ">"; - sep = ";"; - } - } - if(!depString.empty()) - { - linkedTargetsContent = - cmGeneratorExpressionNode::EvaluateDependentExpression(depString, - target->GetMakefile(), context, - headTarget, target, dagChecker); - } - linkedTargetsContent = - cmGeneratorExpression::StripEmptyListElements(linkedTargetsContent); - return linkedTargetsContent; -} - -//---------------------------------------------------------------------------- -static const struct TargetPropertyNode : public cmGeneratorExpressionNode -{ - TargetPropertyNode() {} - - // This node handles errors on parameter count itself. - virtual int NumExpectedParameters() const { return OneOrMoreParameters; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagCheckerParent - ) const - { - if (parameters.size() != 1 && parameters.size() != 2) - { - reportError(context, content->GetOriginalExpression(), - "$ expression requires one or two parameters"); - return std::string(); - } - static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$"); - - cmTarget const* target = context->HeadTarget; - std::string propertyName = *parameters.begin(); - - if (parameters.size() == 1) - { - context->HadHeadSensitiveCondition = true; - } - if (!target && parameters.size() == 1) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. " - "It may not be used with add_custom_command or add_custom_target. " - "Specify the target to read a property from using the " - "$ signature instead."); - return std::string(); - } - - if (parameters.size() == 2) - { - if (parameters.begin()->empty() && parameters[1].empty()) - { - reportError(context, content->GetOriginalExpression(), - "$ expression requires a non-empty " - "target name and property name."); - return std::string(); - } - if (parameters.begin()->empty()) - { - reportError(context, content->GetOriginalExpression(), - "$ expression requires a non-empty " - "target name."); - return std::string(); - } - - std::string targetName = parameters.front(); - propertyName = parameters[1]; - if (!cmGeneratorExpression::IsValidTargetName(targetName)) - { - 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(); - } - if(propertyName == "ALIASED_TARGET") - { - if(context->Makefile->IsAlias(targetName)) - { - if(cmTarget* tgt = context->Makefile->FindTargetToUse(targetName)) - { - return tgt->GetName(); - } - } - return ""; - } - target = context->Makefile->FindTargetToUse(targetName); - - if (!target) - { - std::ostringstream e; - e << "Target \"" - << targetName - << "\" not found."; - reportError(context, content->GetOriginalExpression(), e.str()); - return std::string(); - } - context->AllTargets.insert(target); - } - - 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 have one consistent - // value for all evaluations. - context->SeenTargetProperties.insert(propertyName); - } - if (propertyName == "SOURCES") - { - context->SourceSensitiveTargets.insert(target); - } - - if (propertyName.empty()) - { - reportError(context, content->GetOriginalExpression(), - "$ expression requires a non-empty property " - "name."); - return std::string(); - } - - if (!propertyNameValidator.find(propertyName)) - { - ::reportError(context, content->GetOriginalExpression(), - "Property name not supported."); - return std::string(); - } - - assert(target); - - if (propertyName == "LINKER_LANGUAGE") - { - if (target->LinkLanguagePropagatesToDependents() && - dagCheckerParent && (dagCheckerParent->EvaluatingLinkLibraries() - || dagCheckerParent->EvaluatingSources())) - { - reportError(context, content->GetOriginalExpression(), - "LINKER_LANGUAGE target property can not be used while evaluating " - "link libraries for a static library"); - return std::string(); - } - return target->GetLinkerLanguage(context->Config); - } - - 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::ALREADY_SEEN: - for (size_t i = 1; - i < cmArraySize(targetPropertyTransitiveWhitelist); - ++i) - { - if (targetPropertyTransitiveWhitelist[i] == propertyName) - { - // No error. We're not going to find anything new here. - return std::string(); - } - } - case cmGeneratorExpressionDAGChecker::DAG: - break; - } - - const char *prop = target->GetProperty(propertyName); - - if (dagCheckerParent) - { - if (dagCheckerParent->EvaluatingLinkLibraries()) - { -#define TRANSITIVE_PROPERTY_COMPARE(PROPERTY) \ - (#PROPERTY == propertyName || "INTERFACE_" #PROPERTY == propertyName) || - if (CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_COMPARE) - false) - { - reportError(context, content->GetOriginalExpression(), - "$ expression in link libraries " - "evaluation depends on target property which is transitive " - "over the link libraries, creating a recursion."); - return std::string(); - } -#undef TRANSITIVE_PROPERTY_COMPARE - - if(!prop) - { - return std::string(); - } - } - else - { -#define ASSERT_TRANSITIVE_PROPERTY_METHOD(METHOD) \ - dagCheckerParent->METHOD () || - - assert( - CM_FOR_EACH_TRANSITIVE_PROPERTY_METHOD( - ASSERT_TRANSITIVE_PROPERTY_METHOD) - false); -#undef ASSERT_TRANSITIVE_PROPERTY_METHOD - } - } - - std::string linkedTargetsContent; - - std::string interfacePropertyName; - bool isInterfaceProperty = false; - -#define POPULATE_INTERFACE_PROPERTY_NAME(prop) \ - if (propertyName == #prop) \ - { \ - interfacePropertyName = "INTERFACE_" #prop; \ - } \ - else if (propertyName == "INTERFACE_" #prop) \ - { \ - interfacePropertyName = "INTERFACE_" #prop; \ - isInterfaceProperty = true; \ - } \ - else - - CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(POPULATE_INTERFACE_PROPERTY_NAME) - // Note that the above macro terminates with an else - /* else */ if (cmHasLiteralPrefix(propertyName.c_str(), - "COMPILE_DEFINITIONS_")) - { - cmPolicies::PolicyStatus polSt = - context->Makefile->GetPolicyStatus(cmPolicies::CMP0043); - if (polSt == cmPolicies::WARN || polSt == cmPolicies::OLD) - { - interfacePropertyName = "INTERFACE_COMPILE_DEFINITIONS"; - } - } -#undef POPULATE_INTERFACE_PROPERTY_NAME - cmTarget const* headTarget = context->HeadTarget && isInterfaceProperty - ? context->HeadTarget : target; - - if(isInterfaceProperty) - { - if(cmTarget::LinkInterfaceLibraries const* iface = - target->GetLinkInterfaceLibraries(context->Config, headTarget, true)) - { - linkedTargetsContent = - getLinkedTargetsContent(iface->Libraries, target, - headTarget, - context, &dagChecker, - interfacePropertyName); - } - } - else if(!interfacePropertyName.empty()) - { - if(cmTarget::LinkImplementationLibraries const* impl = - target->GetLinkImplementationLibraries(context->Config)) - { - linkedTargetsContent = - getLinkedTargetsContent(impl->Libraries, target, - target, - context, &dagChecker, - interfacePropertyName); - } - } - - if (!prop) - { - if (target->IsImported() - || target->GetType() == cmTarget::INTERFACE_LIBRARY) - { - return linkedTargetsContent; - } - if (target->IsLinkInterfaceDependentBoolProperty(propertyName, - context->Config)) - { - context->HadContextSensitiveCondition = true; - return target->GetLinkInterfaceDependentBoolProperty( - propertyName, - context->Config) ? "1" : "0"; - } - if (target->IsLinkInterfaceDependentStringProperty(propertyName, - context->Config)) - { - context->HadContextSensitiveCondition = true; - const char *propContent = - target->GetLinkInterfaceDependentStringProperty( - propertyName, - context->Config); - return propContent ? propContent : ""; - } - if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName, - context->Config)) - { - context->HadContextSensitiveCondition = true; - const char *propContent = - target->GetLinkInterfaceDependentNumberMinProperty( - propertyName, - context->Config); - return propContent ? propContent : ""; - } - if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName, - context->Config)) - { - context->HadContextSensitiveCondition = true; - const char *propContent = - target->GetLinkInterfaceDependentNumberMaxProperty( - propertyName, - context->Config); - return propContent ? propContent : ""; - } - - return linkedTargetsContent; - } - - if (!target->IsImported() - && dagCheckerParent && !dagCheckerParent->EvaluatingLinkLibraries()) - { - if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName, - context->Config)) - { - context->HadContextSensitiveCondition = true; - const char *propContent = - target->GetLinkInterfaceDependentNumberMinProperty( - propertyName, - context->Config); - return propContent ? propContent : ""; - } - if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName, - context->Config)) - { - context->HadContextSensitiveCondition = true; - const char *propContent = - target->GetLinkInterfaceDependentNumberMaxProperty( - propertyName, - context->Config); - return propContent ? propContent : ""; - } - } - if(!interfacePropertyName.empty()) - { - std::string result = this->EvaluateDependentExpression(prop, - context->Makefile, context, - headTarget, target, &dagChecker); - if (!linkedTargetsContent.empty()) - { - result += (result.empty() ? "" : ";") + linkedTargetsContent; - } - return result; - } - return prop; - } -} targetPropertyNode; - -//---------------------------------------------------------------------------- -static const struct TargetNameNode : public cmGeneratorExpressionNode -{ - TargetNameNode() {} - - virtual bool GeneratesContent() const { return true; } - - virtual bool AcceptsArbitraryContentParameter() const { return true; } - virtual bool RequiresLiteralInput() const { return true; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *, - const GeneratorExpressionContent *, - cmGeneratorExpressionDAGChecker *) const - { - return parameters.front(); - } - - virtual int NumExpectedParameters() const { return 1; } - -} targetNameNode; - -//---------------------------------------------------------------------------- -static const struct TargetObjectsNode : public cmGeneratorExpressionNode -{ - TargetObjectsNode() {} - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *) const - { - if (!context->EvaluateForBuildsystem) - { - std::ostringstream e; - e << "The evaluation of the TARGET_OBJECTS generator expression " - "is only suitable for consumption by CMake. It is not suitable " - "for writing out elsewhere."; - reportError(context, content->GetOriginalExpression(), e.str()); - return std::string(); - } - - std::string tgtName = parameters.front(); - cmGeneratorTarget* gt = - context->Makefile->FindGeneratorTargetToUse(tgtName); - if (!gt) - { - std::ostringstream e; - e << "Objects of target \"" << tgtName - << "\" referenced but no such target exists."; - reportError(context, content->GetOriginalExpression(), e.str()); - return std::string(); - } - if (gt->GetType() != cmTarget::OBJECT_LIBRARY) - { - std::ostringstream e; - e << "Objects of target \"" << tgtName - << "\" referenced but is not an OBJECT library."; - reportError(context, content->GetOriginalExpression(), e.str()); - return std::string(); - } - - std::vector objectSources; - gt->GetObjectSources(objectSources, context->Config); - std::map mapping; - - for(std::vector::const_iterator it - = objectSources.begin(); it != objectSources.end(); ++it) - { - mapping[*it]; - } - - gt->LocalGenerator->ComputeObjectFilenames(mapping, gt); - - std::string obj_dir = gt->ObjectDirectory; - std::string result; - const char* sep = ""; - for(std::vector::const_iterator it - = objectSources.begin(); it != objectSources.end(); ++it) - { - // Find the object file name corresponding to this source file. - std::map::const_iterator - map_it = mapping.find(*it); - // It must exist because we populated the mapping just above. - assert(!map_it->second.empty()); - result += sep; - std::string objFile = obj_dir + map_it->second; - cmSourceFile* sf = context->Makefile->GetOrCreateSource(objFile, true); - sf->SetObjectLibrary(tgtName); - sf->SetProperty("EXTERNAL_OBJECT", "1"); - result += objFile; - sep = ";"; - } - return result; - } -} targetObjectsNode; - -//---------------------------------------------------------------------------- -static const struct CompileFeaturesNode : public cmGeneratorExpressionNode -{ - CompileFeaturesNode() {} - - virtual int NumExpectedParameters() const { return OneOrMoreParameters; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - cmTarget const* target = context->HeadTarget; - if (!target) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. It may " - "not be used with add_custom_command or add_custom_target."); - return std::string(); - } - context->HadHeadSensitiveCondition = true; - - typedef std::map > LangMap; - static LangMap availableFeatures; - - LangMap testedFeatures; - - for (std::vector::const_iterator it = parameters.begin(); - it != parameters.end(); ++it) - { - std::string error; - std::string lang; - if (!context->Makefile->CompileFeatureKnown(context->HeadTarget, - *it, lang, &error)) - { - reportError(context, content->GetOriginalExpression(), error); - return std::string(); - } - testedFeatures[lang].push_back(*it); - - if (availableFeatures.find(lang) == availableFeatures.end()) - { - const char* featuresKnown - = context->Makefile->CompileFeaturesAvailable(lang, &error); - if (!featuresKnown) - { - reportError(context, content->GetOriginalExpression(), error); - return std::string(); - } - cmSystemTools::ExpandListArgument(featuresKnown, - availableFeatures[lang]); - } - } - - bool evalLL = dagChecker && dagChecker->EvaluatingLinkLibraries(); - - std::string result; - - for (LangMap::const_iterator lit = testedFeatures.begin(); - lit != testedFeatures.end(); ++lit) - { - std::vector const& langAvailable - = availableFeatures[lit->first]; - const char* standardDefault = context->Makefile - ->GetDefinition("CMAKE_" + lit->first + "_STANDARD_DEFAULT"); - for (std::vector::const_iterator it = lit->second.begin(); - it != lit->second.end(); ++it) - { - if (std::find(langAvailable.begin(), langAvailable.end(), *it) - == langAvailable.end()) - { - return "0"; - } - if (standardDefault && !*standardDefault) - { - // This compiler has no notion of language standard levels. - // All features known for the language are always available. - continue; - } - if (!context->Makefile->HaveStandardAvailable(target, - lit->first, *it)) - { - if (evalLL) - { - const char* l = target->GetProperty(lit->first + "_STANDARD"); - if (!l) - { - l = standardDefault; - } - assert(l); - context->MaxLanguageStandard[target][lit->first] = l; - } - else - { - return "0"; - } - } - } - } - return "1"; - } -} compileFeaturesNode; - -//---------------------------------------------------------------------------- -static const char* targetPolicyWhitelist[] = { - 0 -#define TARGET_POLICY_STRING(POLICY) \ - , #POLICY - - CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_STRING) - -#undef TARGET_POLICY_STRING -}; - -cmPolicies::PolicyStatus statusForTarget(cmTarget const* tgt, - const char *policy) -{ -#define RETURN_POLICY(POLICY) \ - if (strcmp(policy, #POLICY) == 0) \ - { \ - return tgt->GetPolicyStatus ## POLICY (); \ - } \ - - CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY) - -#undef RETURN_POLICY - - assert(0 && "Unreachable code. Not a valid policy"); - return cmPolicies::WARN; -} - -cmPolicies::PolicyID policyForString(const char *policy_id) -{ -#define RETURN_POLICY_ID(POLICY_ID) \ - if (strcmp(policy_id, #POLICY_ID) == 0) \ - { \ - return cmPolicies:: POLICY_ID; \ - } \ - - CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY_ID) - -#undef RETURN_POLICY_ID - - assert(0 && "Unreachable code. Not a valid policy"); - return cmPolicies::CMP0002; -} - -//---------------------------------------------------------------------------- -static const struct TargetPolicyNode : public cmGeneratorExpressionNode -{ - TargetPolicyNode() {} - - virtual int NumExpectedParameters() const { return 1; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context , - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *) const - { - if (!context->HeadTarget) - { - reportError(context, content->GetOriginalExpression(), - "$ may only be used with binary targets. It " - "may not be used with add_custom_command or add_custom_target."); - return std::string(); - } - - context->HadContextSensitiveCondition = true; - context->HadHeadSensitiveCondition = true; - - for (size_t i = 1; i < cmArraySize(targetPolicyWhitelist); ++i) - { - const char *policy = targetPolicyWhitelist[i]; - if (parameters.front() == policy) - { - cmMakefile *mf = context->HeadTarget->GetMakefile(); - switch(statusForTarget(context->HeadTarget, policy)) - { - case cmPolicies::WARN: - mf->IssueMessage(cmake::AUTHOR_WARNING, - mf->GetPolicies()-> - GetPolicyWarning(policyForString(policy))); - case cmPolicies::REQUIRED_IF_USED: - case cmPolicies::REQUIRED_ALWAYS: - case cmPolicies::OLD: - return "0"; - case cmPolicies::NEW: - return "1"; - } - } - } - reportError(context, content->GetOriginalExpression(), - "$ may only be used with a limited number of " - "policies. Currently it may be used with the following policies:\n" - -#define STRINGIFY_HELPER(X) #X -#define STRINGIFY(X) STRINGIFY_HELPER(X) - -#define TARGET_POLICY_LIST_ITEM(POLICY) \ - " * " STRINGIFY(POLICY) "\n" - - CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_LIST_ITEM) - -#undef TARGET_POLICY_LIST_ITEM - ); - return std::string(); - } - -} targetPolicyNode; - -//---------------------------------------------------------------------------- -static const struct InstallPrefixNode : public cmGeneratorExpressionNode -{ - InstallPrefixNode() {} - - virtual bool GeneratesContent() const { return true; } - virtual int NumExpectedParameters() const { return 0; } - - std::string Evaluate(const std::vector &, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *) const - { - reportError(context, content->GetOriginalExpression(), - "INSTALL_PREFIX is a marker for install(EXPORT) only. It " - "should never be evaluated."); - return std::string(); - } - -} installPrefixNode; - -//---------------------------------------------------------------------------- -class ArtifactNameTag; -class ArtifactLinkerTag; -class ArtifactSonameTag; -class ArtifactPdbTag; - -class ArtifactPathTag; -class ArtifactDirTag; -class ArtifactNameTag; - -//---------------------------------------------------------------------------- -template -struct TargetFilesystemArtifactResultCreator -{ - static std::string Create(cmTarget* target, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content); -}; - -//---------------------------------------------------------------------------- -template<> -struct TargetFilesystemArtifactResultCreator -{ - 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 -{ - static std::string Create(cmTarget* target, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content) - { - std::string language = target->GetLinkerLanguage(context->Config); - - std::string pdbSupportVar = "CMAKE_" + language + "_LINKER_SUPPORTS_PDB"; - - if(!context->Makefile->IsOn(pdbSupportVar)) - { - ::reportError(context, content->GetOriginalExpression(), - "TARGET_PDB_FILE is not supported by the target linker."); - return std::string(); - } - - cmTarget::TargetType targetType = target->GetType(); - - if(targetType != cmTarget::SHARED_LIBRARY && - targetType != cmTarget::MODULE_LIBRARY && - targetType != cmTarget::EXECUTABLE) - { - ::reportError(context, content->GetOriginalExpression(), - "TARGET_PDB_FILE is allowed only for " - "targets with linker created artifacts."); - return std::string(); - } - - std::string result = target->GetPDBDirectory(context->Config); - result += "/"; - result += target->GetPDBName(context->Config); - return result; - } -}; - -//---------------------------------------------------------------------------- -template<> -struct TargetFilesystemArtifactResultCreator -{ - 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 -{ - static std::string Create(cmTarget* target, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *) - { - return target->GetFullPath(context->Config, false, true); - } -}; - - -//---------------------------------------------------------------------------- -template -struct TargetFilesystemArtifactResultGetter -{ - static std::string Get(const std::string &result); -}; - -//---------------------------------------------------------------------------- -template<> -struct TargetFilesystemArtifactResultGetter -{ - static std::string Get(const std::string &result) - { return cmSystemTools::GetFilenameName(result); } -}; - -//---------------------------------------------------------------------------- -template<> -struct TargetFilesystemArtifactResultGetter -{ - static std::string Get(const std::string &result) - { return cmSystemTools::GetFilenamePath(result); } -}; - -//---------------------------------------------------------------------------- -template<> -struct TargetFilesystemArtifactResultGetter -{ - static std::string Get(const std::string &result) - { return result; } -}; - -//---------------------------------------------------------------------------- -template -struct TargetFilesystemArtifact : public cmGeneratorExpressionNode -{ - TargetFilesystemArtifact() {} - - virtual int NumExpectedParameters() const { return 1; } - - std::string Evaluate(const std::vector ¶meters, - cmGeneratorExpressionContext *context, - const GeneratorExpressionContent *content, - cmGeneratorExpressionDAGChecker *dagChecker) const - { - // Lookup the referenced target. - std::string name = *parameters.begin(); - - if (!cmGeneratorExpression::IsValidTargetName(name)) - { - ::reportError(context, content->GetOriginalExpression(), - "Expression syntax not recognized."); - return std::string(); - } - cmTarget* target = context->Makefile->FindTargetToUse(name); - if(!target) - { - ::reportError(context, content->GetOriginalExpression(), - "No target \"" + name + "\""); - return std::string(); - } - if(target->GetType() >= cmTarget::OBJECT_LIBRARY && - target->GetType() != cmTarget::UNKNOWN_LIBRARY) - { - ::reportError(context, content->GetOriginalExpression(), - "Target \"" + name + "\" is not an executable or library."); - return std::string(); - } - if (dagChecker && (dagChecker->EvaluatingLinkLibraries(name.c_str()) - || (dagChecker->EvaluatingSources() - && name == dagChecker->TopTarget()))) - { - ::reportError(context, content->GetOriginalExpression(), - "Expressions which require the linker language may not " - "be used while evaluating link libraries"); - return std::string(); - } - context->DependTargets.insert(target); - context->AllTargets.insert(target); - - std::string result = - TargetFilesystemArtifactResultCreator::Create( - target, - context, - content); - if (context->HadError) - { - return std::string(); - } - return - TargetFilesystemArtifactResultGetter::Get(result); - } -}; - -//---------------------------------------------------------------------------- -template -struct TargetFilesystemArtifactNodeGroup -{ - TargetFilesystemArtifactNodeGroup() - { - } - - TargetFilesystemArtifact File; - TargetFilesystemArtifact FileName; - TargetFilesystemArtifact FileDir; -}; - -//---------------------------------------------------------------------------- -static const -TargetFilesystemArtifactNodeGroup targetNodeGroup; - -static const -TargetFilesystemArtifactNodeGroup targetLinkerNodeGroup; - -static const -TargetFilesystemArtifactNodeGroup targetSoNameNodeGroup; - -static const -TargetFilesystemArtifactNodeGroup targetPdbNodeGroup; - -//---------------------------------------------------------------------------- -static const -cmGeneratorExpressionNode* GetNode(const std::string &identifier) -{ - typedef std::map NodeMap; - static NodeMap nodeMap; - if (nodeMap.empty()) - { - nodeMap["0"] = &zeroNode; - nodeMap["1"] = &oneNode; - nodeMap["AND"] = &andNode; - nodeMap["OR"] = &orNode; - nodeMap["NOT"] = ¬Node; - nodeMap["C_COMPILER_ID"] = &cCompilerIdNode; - nodeMap["CXX_COMPILER_ID"] = &cxxCompilerIdNode; - nodeMap["VERSION_GREATER"] = &versionGreaterNode; - nodeMap["VERSION_LESS"] = &versionLessNode; - nodeMap["VERSION_EQUAL"] = &versionEqualNode; - nodeMap["C_COMPILER_VERSION"] = &cCompilerVersionNode; - nodeMap["CXX_COMPILER_VERSION"] = &cxxCompilerVersionNode; - nodeMap["PLATFORM_ID"] = &platformIdNode; - nodeMap["COMPILE_FEATURES"] = &compileFeaturesNode; - nodeMap["CONFIGURATION"] = &configurationNode; - nodeMap["CONFIG"] = &configurationTestNode; - nodeMap["TARGET_FILE"] = &targetNodeGroup.File; - nodeMap["TARGET_LINKER_FILE"] = &targetLinkerNodeGroup.File; - nodeMap["TARGET_SONAME_FILE"] = &targetSoNameNodeGroup.File; - nodeMap["TARGET_PDB_FILE"] = &targetPdbNodeGroup.File; - nodeMap["TARGET_FILE_NAME"] = &targetNodeGroup.FileName; - nodeMap["TARGET_LINKER_FILE_NAME"] = &targetLinkerNodeGroup.FileName; - nodeMap["TARGET_SONAME_FILE_NAME"] = &targetSoNameNodeGroup.FileName; - nodeMap["TARGET_PDB_FILE_NAME"] = &targetPdbNodeGroup.FileName; - nodeMap["TARGET_FILE_DIR"] = &targetNodeGroup.FileDir; - nodeMap["TARGET_LINKER_FILE_DIR"] = &targetLinkerNodeGroup.FileDir; - nodeMap["TARGET_SONAME_FILE_DIR"] = &targetSoNameNodeGroup.FileDir; - nodeMap["TARGET_PDB_FILE_DIR"] = &targetPdbNodeGroup.FileDir; - nodeMap["STREQUAL"] = &strEqualNode; - nodeMap["EQUAL"] = &equalNode; - nodeMap["LOWER_CASE"] = &lowerCaseNode; - nodeMap["UPPER_CASE"] = &upperCaseNode; - nodeMap["MAKE_C_IDENTIFIER"] = &makeCIdentifierNode; - nodeMap["BOOL"] = &boolNode; - nodeMap["ANGLE-R"] = &angle_rNode; - nodeMap["COMMA"] = &commaNode; - nodeMap["SEMICOLON"] = &semicolonNode; - nodeMap["TARGET_PROPERTY"] = &targetPropertyNode; - nodeMap["TARGET_NAME"] = &targetNameNode; - nodeMap["TARGET_OBJECTS"] = &targetObjectsNode; - nodeMap["TARGET_POLICY"] = &targetPolicyNode; - nodeMap["BUILD_INTERFACE"] = &buildInterfaceNode; - nodeMap["INSTALL_INTERFACE"] = &installInterfaceNode; - nodeMap["INSTALL_PREFIX"] = &installPrefixNode; - nodeMap["JOIN"] = &joinNode; - nodeMap["LINK_ONLY"] = &linkOnlyNode; - nodeMap["COMPILE_LANGUAGE"] = &languageNode; - } - NodeMap::const_iterator i = nodeMap.find(identifier); - if (i == nodeMap.end()) - { - return 0; - } - return i->second; - -} +#include "cmGeneratorExpressionNode.h" //---------------------------------------------------------------------------- GeneratorExpressionContent::GeneratorExpressionContent( @@ -2000,7 +113,8 @@ std::string GeneratorExpressionContent::Evaluate( } } - const cmGeneratorExpressionNode *node = GetNode(identifier); + const cmGeneratorExpressionNode *node = + cmGeneratorExpressionNode::GetNode(identifier); if (!node) { diff --git a/Source/cmGeneratorExpressionNode.cxx b/Source/cmGeneratorExpressionNode.cxx new file mode 100644 index 000000000..673dcb937 --- /dev/null +++ b/Source/cmGeneratorExpressionNode.cxx @@ -0,0 +1,1870 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2012 Stephen Kelly + + 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 "cmGeneratorExpressionNode.h" +#include "cmGlobalGenerator.h" +#include "cmAlgorithms.h" + +//---------------------------------------------------------------------------- +std::string cmGeneratorExpressionNode::EvaluateDependentExpression( + std::string const& prop, cmMakefile *makefile, + cmGeneratorExpressionContext *context, + cmTarget const* headTarget, cmTarget const* currentTarget, + cmGeneratorExpressionDAGChecker *dagChecker) +{ + cmGeneratorExpression ge(&context->Backtrace); + cmsys::auto_ptr cge = ge.Parse(prop); + cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem); + std::string result = cge->Evaluate(makefile, + context->Config, + context->Quiet, + headTarget, + currentTarget, + dagChecker, + context->Language); + if (cge->GetHadContextSensitiveCondition()) + { + context->HadContextSensitiveCondition = true; + } + if (cge->GetHadHeadSensitiveCondition()) + { + context->HadHeadSensitiveCondition = true; + } + return result; +} + +//---------------------------------------------------------------------------- +static const struct ZeroNode : public cmGeneratorExpressionNode +{ + ZeroNode() {} + + virtual bool GeneratesContent() const { return false; } + + virtual bool AcceptsArbitraryContentParameter() const { return true; } + + std::string Evaluate(const std::vector &, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return std::string(); + } +} zeroNode; + +//---------------------------------------------------------------------------- +static const struct OneNode : public cmGeneratorExpressionNode +{ + OneNode() {} + + virtual bool AcceptsArbitraryContentParameter() const { return true; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return parameters.front(); + } +} 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 () {} \ + virtual int NumExpectedParameters() const { return OneOrMoreParameters; } \ + \ + std::string Evaluate(const std::vector ¶meters, \ + cmGeneratorExpressionContext *context, \ + const GeneratorExpressionContent *content, \ + cmGeneratorExpressionDAGChecker *) const \ + { \ + std::vector::const_iterator it = parameters.begin(); \ + const std::vector::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 $<" #OP "> must resolve to either '0' or '1'."); \ + return std::string(); \ + } \ + } \ + return #SUCCESS_VALUE; \ + } \ +} OPNAME; + +BOOLEAN_OP_NODE(andNode, AND, 1, 0) +BOOLEAN_OP_NODE(orNode, OR, 0, 1) + +#undef BOOLEAN_OP_NODE + +//---------------------------------------------------------------------------- +static const struct NotNode : public cmGeneratorExpressionNode +{ + NotNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (*parameters.begin() != "0" && *parameters.begin() != "1") + { + reportError(context, content->GetOriginalExpression(), + "$ 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 ¶meters, + 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 ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return *parameters.begin() == parameters[1] ? "1" : "0"; + } +} strEqualNode; + +//---------------------------------------------------------------------------- +static const struct EqualNode : public cmGeneratorExpressionNode +{ + EqualNode() {} + + virtual int NumExpectedParameters() const { return 2; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + char *pEnd; + + int base = 0; + bool flipSign = false; + + const char *lhs = parameters[0].c_str(); + if (cmHasLiteralPrefix(lhs, "0b") || cmHasLiteralPrefix(lhs, "0B")) + { + base = 2; + lhs += 2; + } + if (cmHasLiteralPrefix(lhs, "-0b") || cmHasLiteralPrefix(lhs, "-0B")) + { + base = 2; + lhs += 3; + flipSign = true; + } + if (cmHasLiteralPrefix(lhs, "+0b") || cmHasLiteralPrefix(lhs, "+0B")) + { + base = 2; + lhs += 3; + } + + long lnum = strtol(lhs, &pEnd, base); + if (pEnd == lhs || *pEnd != '\0' || errno == ERANGE) + { + reportError(context, content->GetOriginalExpression(), + "$ parameter " + parameters[0] + " is not a valid integer."); + return std::string(); + } + + if (flipSign) + { + lnum = -lnum; + } + + base = 0; + flipSign = false; + + const char *rhs = parameters[1].c_str(); + if (cmHasLiteralPrefix(rhs, "0b") || cmHasLiteralPrefix(rhs, "0B")) + { + base = 2; + rhs += 2; + } + if (cmHasLiteralPrefix(rhs, "-0b") || cmHasLiteralPrefix(rhs, "-0B")) + { + base = 2; + rhs += 3; + flipSign = true; + } + if (cmHasLiteralPrefix(rhs, "+0b") || cmHasLiteralPrefix(rhs, "+0B")) + { + base = 2; + rhs += 3; + } + + long rnum = strtol(rhs, &pEnd, base); + if (pEnd == rhs || *pEnd != '\0' || errno == ERANGE) + { + reportError(context, content->GetOriginalExpression(), + "$ parameter " + parameters[1] + " is not a valid integer."); + return std::string(); + } + + if (flipSign) + { + rnum = -rnum; + } + + return lnum == rnum ? "1" : "0"; + } +} equalNode; + +//---------------------------------------------------------------------------- +static const struct LowerCaseNode : public cmGeneratorExpressionNode +{ + LowerCaseNode() {} + + bool AcceptsArbitraryContentParameter() const { return true; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::LowerCase(parameters.front()); + } +} lowerCaseNode; + +//---------------------------------------------------------------------------- +static const struct UpperCaseNode : public cmGeneratorExpressionNode +{ + UpperCaseNode() {} + + bool AcceptsArbitraryContentParameter() const { return true; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::UpperCase(parameters.front()); + } +} upperCaseNode; + +//---------------------------------------------------------------------------- +static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode +{ + MakeCIdentifierNode() {} + + bool AcceptsArbitraryContentParameter() const { return true; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::MakeCidentifier(parameters.front()); + } +} makeCIdentifierNode; + +//---------------------------------------------------------------------------- +static const struct Angle_RNode : public cmGeneratorExpressionNode +{ + Angle_RNode() {} + + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector &, + 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 &, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return ","; + } +} commaNode; + +//---------------------------------------------------------------------------- +static const struct SemicolonNode : public cmGeneratorExpressionNode +{ + SemicolonNode() {} + + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector &, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return ";"; + } +} semicolonNode; + +//---------------------------------------------------------------------------- +struct CompilerIdNode : public cmGeneratorExpressionNode +{ + CompilerIdNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string EvaluateWithLanguage(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *, + const std::string &lang) const + { + const char *compilerId = + context->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER_ID"); + if (parameters.empty()) + { + return compilerId ? compilerId : ""; + } + static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$"); + if (!compilerIdValidator.find(*parameters.begin())) + { + reportError(context, content->GetOriginalExpression(), + "Expression syntax not recognized."); + return std::string(); + } + if (!compilerId) + { + return parameters.front().empty() ? "1" : "0"; + } + + if (strcmp(parameters.begin()->c_str(), compilerId) == 0) + { + return "1"; + } + + if (cmsysString_strcasecmp(parameters.begin()->c_str(), compilerId) == 0) + { + switch(context->Makefile->GetPolicyStatus(cmPolicies::CMP0044)) + { + case cmPolicies::WARN: + { + std::ostringstream e; + e << context->Makefile->GetPolicies() + ->GetPolicyWarning(cmPolicies::CMP0044); + context->Makefile->GetCMakeInstance() + ->IssueMessage(cmake::AUTHOR_WARNING, + e.str(), context->Backtrace); + } + case cmPolicies::OLD: + return "1"; + case cmPolicies::NEW: + case cmPolicies::REQUIRED_ALWAYS: + case cmPolicies::REQUIRED_IF_USED: + break; + } + } + return "0"; + } +}; + +//---------------------------------------------------------------------------- +static const struct CCompilerIdNode : public CompilerIdNode +{ + CCompilerIdNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. It may " + "not be used with add_custom_command or add_custom_target."); + return std::string(); + } + return this->EvaluateWithLanguage(parameters, context, content, + dagChecker, "C"); + } +} cCompilerIdNode; + +//---------------------------------------------------------------------------- +static const struct CXXCompilerIdNode : public CompilerIdNode +{ + CXXCompilerIdNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. It may " + "not be used with add_custom_command or add_custom_target."); + return std::string(); + } + return this->EvaluateWithLanguage(parameters, context, content, + dagChecker, "CXX"); + } +} cxxCompilerIdNode; + +//---------------------------------------------------------------------------- +struct CompilerVersionNode : public cmGeneratorExpressionNode +{ + CompilerVersionNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string EvaluateWithLanguage(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *, + const std::string &lang) const + { + const char *compilerVersion = context->Makefile->GetSafeDefinition( + "CMAKE_" + lang + "_COMPILER_VERSION"); + if (parameters.empty()) + { + return compilerVersion ? compilerVersion : ""; + } + + static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$"); + if (!compilerIdValidator.find(*parameters.begin())) + { + reportError(context, content->GetOriginalExpression(), + "Expression syntax not recognized."); + return std::string(); + } + if (!compilerVersion) + { + return parameters.front().empty() ? "1" : "0"; + } + + return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, + parameters.begin()->c_str(), + compilerVersion) ? "1" : "0"; + } +}; + +//---------------------------------------------------------------------------- +static const struct CCompilerVersionNode : public CompilerVersionNode +{ + CCompilerVersionNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. It " + "may not be used with add_custom_command or add_custom_target."); + return std::string(); + } + return this->EvaluateWithLanguage(parameters, context, content, + dagChecker, "C"); + } +} cCompilerVersionNode; + +//---------------------------------------------------------------------------- +static const struct CxxCompilerVersionNode : public CompilerVersionNode +{ + CxxCompilerVersionNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. It " + "may not be used with add_custom_command or add_custom_target."); + return std::string(); + } + return this->EvaluateWithLanguage(parameters, context, content, + dagChecker, "CXX"); + } +} cxxCompilerVersionNode; + + +//---------------------------------------------------------------------------- +struct PlatformIdNode : public cmGeneratorExpressionNode +{ + PlatformIdNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + const char *platformId = + context->Makefile->GetSafeDefinition("CMAKE_SYSTEM_NAME"); + if (parameters.empty()) + { + return platformId ? platformId : ""; + } + + if (!platformId) + { + return parameters.front().empty() ? "1" : "0"; + } + + if (strcmp(parameters.begin()->c_str(), platformId) == 0) + { + return "1"; + } + return "0"; + } +} platformIdNode; + +//---------------------------------------------------------------------------- +static const struct VersionGreaterNode : public cmGeneratorExpressionNode +{ + VersionGreaterNode() {} + + virtual int NumExpectedParameters() const { return 2; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER, + parameters.front().c_str(), + parameters[1].c_str()) ? "1" : "0"; + } +} versionGreaterNode; + +//---------------------------------------------------------------------------- +static const struct VersionLessNode : public cmGeneratorExpressionNode +{ + VersionLessNode() {} + + virtual int NumExpectedParameters() const { return 2; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS, + parameters.front().c_str(), + parameters[1].c_str()) ? "1" : "0"; + } +} versionLessNode; + +//---------------------------------------------------------------------------- +static const struct VersionEqualNode : public cmGeneratorExpressionNode +{ + VersionEqualNode() {} + + virtual int NumExpectedParameters() const { return 2; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, + parameters.front().c_str(), + parameters[1].c_str()) ? "1" : "0"; + } +} versionEqualNode; + +//---------------------------------------------------------------------------- +static const struct LinkOnlyNode : public cmGeneratorExpressionNode +{ + LinkOnlyNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if(!dagChecker->GetTransitivePropertiesOnly()) + { + return parameters.front(); + } + return ""; + } +} linkOnlyNode; + +//---------------------------------------------------------------------------- +static const struct ConfigurationNode : public cmGeneratorExpressionNode +{ + ConfigurationNode() {} + + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector &, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + context->HadContextSensitiveCondition = true; + return context->Config; + } +} configurationNode; + +//---------------------------------------------------------------------------- +static const struct ConfigurationTestNode : public cmGeneratorExpressionNode +{ + ConfigurationTestNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (parameters.empty()) + { + return configurationNode.Evaluate(parameters, context, content, 0); + } + static cmsys::RegularExpression configValidator("^[A-Za-z0-9_]*$"); + if (!configValidator.find(*parameters.begin())) + { + reportError(context, content->GetOriginalExpression(), + "Expression syntax not recognized."); + return std::string(); + } + context->HadContextSensitiveCondition = true; + if (context->Config.empty()) + { + return parameters.front().empty() ? "1" : "0"; + } + + if (cmsysString_strcasecmp(parameters.begin()->c_str(), + context->Config.c_str()) == 0) + { + return "1"; + } + + if (context->CurrentTarget + && context->CurrentTarget->IsImported()) + { + const char* loc = 0; + const char* imp = 0; + std::string suffix; + if (context->CurrentTarget->GetMappedConfig(context->Config, + &loc, + &imp, + suffix)) + { + // This imported target has an appropriate location + // for this (possibly mapped) config. + // Check if there is a proper config mapping for the tested config. + std::vector mappedConfigs; + std::string mapProp = "MAP_IMPORTED_CONFIG_"; + mapProp += cmSystemTools::UpperCase(context->Config); + if(const char* mapValue = + context->CurrentTarget->GetProperty(mapProp)) + { + cmSystemTools::ExpandListArgument(cmSystemTools::UpperCase(mapValue), + mappedConfigs); + return std::find(mappedConfigs.begin(), mappedConfigs.end(), + cmSystemTools::UpperCase(parameters.front())) + != mappedConfigs.end() ? "1" : "0"; + } + } + } + return "0"; + } +} configurationTestNode; + +static const struct JoinNode : public cmGeneratorExpressionNode +{ + JoinNode() {} + + virtual int NumExpectedParameters() const { return 2; } + + virtual bool AcceptsArbitraryContentParameter() const { return true; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + std::vector list; + cmSystemTools::ExpandListArgument(parameters.front(), list); + return cmJoin(list, parameters[1]); + } +} joinNode; + +static const struct CompileLanguageNode : public cmGeneratorExpressionNode +{ + CompileLanguageNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if(context->Language.empty()) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used to specify include " + "directories compile definitions, compile options and to evaluate " + "components of the file(GENERATE) command."); + return std::string(); + } + + std::vector enabledLanguages; + cmGlobalGenerator* gg + = context->Makefile->GetLocalGenerator()->GetGlobalGenerator(); + gg->GetEnabledLanguages(enabledLanguages); + if (!parameters.empty() && + std::find(enabledLanguages.begin(), enabledLanguages.end(), + parameters.front()) == enabledLanguages.end()) + { + reportError(context, content->GetOriginalExpression(), + "$ Unknown language."); + return std::string(); + } + std::string genName = gg->GetName(); + if (genName.find("Visual Studio") != std::string::npos) + { + reportError(context, content->GetOriginalExpression(), + "$ may not be used with Visual Studio " + "generators."); + return std::string(); + } + else if (genName.find("Xcode") != std::string::npos) + { + if (dagChecker && (dagChecker->EvaluatingCompileDefinitions() + || dagChecker->EvaluatingIncludeDirectories())) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with COMPILE_OPTIONS " + "with the Xcode generator."); + return std::string(); + } + } + else + { + if(genName.find("Makefiles") == std::string::npos && + genName.find("Ninja") == std::string::npos && + genName.find("Watcom WMake") == std::string::npos) + { + reportError(context, content->GetOriginalExpression(), + "$ not supported for this generator."); + return std::string(); + } + } + if (parameters.empty()) + { + return context->Language; + } + return context->Language == parameters.front() ? "1" : "0"; + } +} languageNode; + +#define TRANSITIVE_PROPERTY_NAME(PROPERTY) \ + , "INTERFACE_" #PROPERTY + +//---------------------------------------------------------------------------- +static const char* targetPropertyTransitiveWhitelist[] = { + 0 + CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_NAME) +}; + +#undef TRANSITIVE_PROPERTY_NAME + +template +std::string +getLinkedTargetsContent( + std::vector const &libraries, + cmTarget const* target, + cmTarget const* headTarget, + cmGeneratorExpressionContext *context, + cmGeneratorExpressionDAGChecker *dagChecker, + const std::string &interfacePropertyName) +{ + std::string linkedTargetsContent; + std::string sep; + std::string depString; + for (typename std::vector::const_iterator it = libraries.begin(); + it != libraries.end(); ++it) + { + // Broken code can have a target in its own link interface. + // Don't follow such link interface entries so as not to create a + // self-referencing loop. + if (it->Target && it->Target != target) + { + depString += + sep + "$Target->GetName() + "," + interfacePropertyName + ">"; + sep = ";"; + } + } + if(!depString.empty()) + { + linkedTargetsContent = + cmGeneratorExpressionNode::EvaluateDependentExpression(depString, + target->GetMakefile(), context, + headTarget, target, dagChecker); + } + linkedTargetsContent = + cmGeneratorExpression::StripEmptyListElements(linkedTargetsContent); + return linkedTargetsContent; +} + +//---------------------------------------------------------------------------- +static const struct TargetPropertyNode : public cmGeneratorExpressionNode +{ + TargetPropertyNode() {} + + // This node handles errors on parameter count itself. + virtual int NumExpectedParameters() const { return OneOrMoreParameters; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagCheckerParent + ) const + { + if (parameters.size() != 1 && parameters.size() != 2) + { + reportError(context, content->GetOriginalExpression(), + "$ expression requires one or two parameters"); + return std::string(); + } + static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$"); + + cmTarget const* target = context->HeadTarget; + std::string propertyName = *parameters.begin(); + + if (parameters.size() == 1) + { + context->HadHeadSensitiveCondition = true; + } + if (!target && parameters.size() == 1) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. " + "It may not be used with add_custom_command or add_custom_target. " + "Specify the target to read a property from using the " + "$ signature instead."); + return std::string(); + } + + if (parameters.size() == 2) + { + if (parameters.begin()->empty() && parameters[1].empty()) + { + reportError(context, content->GetOriginalExpression(), + "$ expression requires a non-empty " + "target name and property name."); + return std::string(); + } + if (parameters.begin()->empty()) + { + reportError(context, content->GetOriginalExpression(), + "$ expression requires a non-empty " + "target name."); + return std::string(); + } + + std::string targetName = parameters.front(); + propertyName = parameters[1]; + if (!cmGeneratorExpression::IsValidTargetName(targetName)) + { + 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(); + } + if(propertyName == "ALIASED_TARGET") + { + if(context->Makefile->IsAlias(targetName)) + { + if(cmTarget* tgt = context->Makefile->FindTargetToUse(targetName)) + { + return tgt->GetName(); + } + } + return ""; + } + target = context->Makefile->FindTargetToUse(targetName); + + if (!target) + { + std::ostringstream e; + e << "Target \"" + << targetName + << "\" not found."; + reportError(context, content->GetOriginalExpression(), e.str()); + return std::string(); + } + context->AllTargets.insert(target); + } + + 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 have one consistent + // value for all evaluations. + context->SeenTargetProperties.insert(propertyName); + } + if (propertyName == "SOURCES") + { + context->SourceSensitiveTargets.insert(target); + } + + if (propertyName.empty()) + { + reportError(context, content->GetOriginalExpression(), + "$ expression requires a non-empty property " + "name."); + return std::string(); + } + + if (!propertyNameValidator.find(propertyName)) + { + ::reportError(context, content->GetOriginalExpression(), + "Property name not supported."); + return std::string(); + } + + assert(target); + + if (propertyName == "LINKER_LANGUAGE") + { + if (target->LinkLanguagePropagatesToDependents() && + dagCheckerParent && (dagCheckerParent->EvaluatingLinkLibraries() + || dagCheckerParent->EvaluatingSources())) + { + reportError(context, content->GetOriginalExpression(), + "LINKER_LANGUAGE target property can not be used while evaluating " + "link libraries for a static library"); + return std::string(); + } + return target->GetLinkerLanguage(context->Config); + } + + 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::ALREADY_SEEN: + for (size_t i = 1; + i < cmArraySize(targetPropertyTransitiveWhitelist); + ++i) + { + if (targetPropertyTransitiveWhitelist[i] == propertyName) + { + // No error. We're not going to find anything new here. + return std::string(); + } + } + case cmGeneratorExpressionDAGChecker::DAG: + break; + } + + const char *prop = target->GetProperty(propertyName); + + if (dagCheckerParent) + { + if (dagCheckerParent->EvaluatingLinkLibraries()) + { +#define TRANSITIVE_PROPERTY_COMPARE(PROPERTY) \ + (#PROPERTY == propertyName || "INTERFACE_" #PROPERTY == propertyName) || + if (CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_COMPARE) + false) + { + reportError(context, content->GetOriginalExpression(), + "$ expression in link libraries " + "evaluation depends on target property which is transitive " + "over the link libraries, creating a recursion."); + return std::string(); + } +#undef TRANSITIVE_PROPERTY_COMPARE + + if(!prop) + { + return std::string(); + } + } + else + { +#define ASSERT_TRANSITIVE_PROPERTY_METHOD(METHOD) \ + dagCheckerParent->METHOD () || + + assert( + CM_FOR_EACH_TRANSITIVE_PROPERTY_METHOD( + ASSERT_TRANSITIVE_PROPERTY_METHOD) + false); +#undef ASSERT_TRANSITIVE_PROPERTY_METHOD + } + } + + std::string linkedTargetsContent; + + std::string interfacePropertyName; + bool isInterfaceProperty = false; + +#define POPULATE_INTERFACE_PROPERTY_NAME(prop) \ + if (propertyName == #prop) \ + { \ + interfacePropertyName = "INTERFACE_" #prop; \ + } \ + else if (propertyName == "INTERFACE_" #prop) \ + { \ + interfacePropertyName = "INTERFACE_" #prop; \ + isInterfaceProperty = true; \ + } \ + else + + CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(POPULATE_INTERFACE_PROPERTY_NAME) + // Note that the above macro terminates with an else + /* else */ if (cmHasLiteralPrefix(propertyName.c_str(), + "COMPILE_DEFINITIONS_")) + { + cmPolicies::PolicyStatus polSt = + context->Makefile->GetPolicyStatus(cmPolicies::CMP0043); + if (polSt == cmPolicies::WARN || polSt == cmPolicies::OLD) + { + interfacePropertyName = "INTERFACE_COMPILE_DEFINITIONS"; + } + } +#undef POPULATE_INTERFACE_PROPERTY_NAME + cmTarget const* headTarget = context->HeadTarget && isInterfaceProperty + ? context->HeadTarget : target; + + if(isInterfaceProperty) + { + if(cmTarget::LinkInterfaceLibraries const* iface = + target->GetLinkInterfaceLibraries(context->Config, headTarget, true)) + { + linkedTargetsContent = + getLinkedTargetsContent(iface->Libraries, target, + headTarget, + context, &dagChecker, + interfacePropertyName); + } + } + else if(!interfacePropertyName.empty()) + { + if(cmTarget::LinkImplementationLibraries const* impl = + target->GetLinkImplementationLibraries(context->Config)) + { + linkedTargetsContent = + getLinkedTargetsContent(impl->Libraries, target, + target, + context, &dagChecker, + interfacePropertyName); + } + } + + if (!prop) + { + if (target->IsImported() + || target->GetType() == cmTarget::INTERFACE_LIBRARY) + { + return linkedTargetsContent; + } + if (target->IsLinkInterfaceDependentBoolProperty(propertyName, + context->Config)) + { + context->HadContextSensitiveCondition = true; + return target->GetLinkInterfaceDependentBoolProperty( + propertyName, + context->Config) ? "1" : "0"; + } + if (target->IsLinkInterfaceDependentStringProperty(propertyName, + context->Config)) + { + context->HadContextSensitiveCondition = true; + const char *propContent = + target->GetLinkInterfaceDependentStringProperty( + propertyName, + context->Config); + return propContent ? propContent : ""; + } + if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName, + context->Config)) + { + context->HadContextSensitiveCondition = true; + const char *propContent = + target->GetLinkInterfaceDependentNumberMinProperty( + propertyName, + context->Config); + return propContent ? propContent : ""; + } + if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName, + context->Config)) + { + context->HadContextSensitiveCondition = true; + const char *propContent = + target->GetLinkInterfaceDependentNumberMaxProperty( + propertyName, + context->Config); + return propContent ? propContent : ""; + } + + return linkedTargetsContent; + } + + if (!target->IsImported() + && dagCheckerParent && !dagCheckerParent->EvaluatingLinkLibraries()) + { + if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName, + context->Config)) + { + context->HadContextSensitiveCondition = true; + const char *propContent = + target->GetLinkInterfaceDependentNumberMinProperty( + propertyName, + context->Config); + return propContent ? propContent : ""; + } + if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName, + context->Config)) + { + context->HadContextSensitiveCondition = true; + const char *propContent = + target->GetLinkInterfaceDependentNumberMaxProperty( + propertyName, + context->Config); + return propContent ? propContent : ""; + } + } + if(!interfacePropertyName.empty()) + { + std::string result = this->EvaluateDependentExpression(prop, + context->Makefile, context, + headTarget, target, &dagChecker); + if (!linkedTargetsContent.empty()) + { + result += (result.empty() ? "" : ";") + linkedTargetsContent; + } + return result; + } + return prop; + } +} targetPropertyNode; + +//---------------------------------------------------------------------------- +static const struct TargetNameNode : public cmGeneratorExpressionNode +{ + TargetNameNode() {} + + virtual bool GeneratesContent() const { return true; } + + virtual bool AcceptsArbitraryContentParameter() const { return true; } + virtual bool RequiresLiteralInput() const { return true; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return parameters.front(); + } + + virtual int NumExpectedParameters() const { return 1; } + +} targetNameNode; + +//---------------------------------------------------------------------------- +static const struct TargetObjectsNode : public cmGeneratorExpressionNode +{ + TargetObjectsNode() {} + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (!context->EvaluateForBuildsystem) + { + std::ostringstream e; + e << "The evaluation of the TARGET_OBJECTS generator expression " + "is only suitable for consumption by CMake. It is not suitable " + "for writing out elsewhere."; + reportError(context, content->GetOriginalExpression(), e.str()); + return std::string(); + } + + std::string tgtName = parameters.front(); + cmGeneratorTarget* gt = + context->Makefile->FindGeneratorTargetToUse(tgtName); + if (!gt) + { + std::ostringstream e; + e << "Objects of target \"" << tgtName + << "\" referenced but no such target exists."; + reportError(context, content->GetOriginalExpression(), e.str()); + return std::string(); + } + if (gt->GetType() != cmTarget::OBJECT_LIBRARY) + { + std::ostringstream e; + e << "Objects of target \"" << tgtName + << "\" referenced but is not an OBJECT library."; + reportError(context, content->GetOriginalExpression(), e.str()); + return std::string(); + } + + std::vector objectSources; + gt->GetObjectSources(objectSources, context->Config); + std::map mapping; + + for(std::vector::const_iterator it + = objectSources.begin(); it != objectSources.end(); ++it) + { + mapping[*it]; + } + + gt->LocalGenerator->ComputeObjectFilenames(mapping, gt); + + std::string obj_dir = gt->ObjectDirectory; + std::string result; + const char* sep = ""; + for(std::vector::const_iterator it + = objectSources.begin(); it != objectSources.end(); ++it) + { + // Find the object file name corresponding to this source file. + std::map::const_iterator + map_it = mapping.find(*it); + // It must exist because we populated the mapping just above. + assert(!map_it->second.empty()); + result += sep; + std::string objFile = obj_dir + map_it->second; + cmSourceFile* sf = context->Makefile->GetOrCreateSource(objFile, true); + sf->SetObjectLibrary(tgtName); + sf->SetProperty("EXTERNAL_OBJECT", "1"); + result += objFile; + sep = ";"; + } + return result; + } +} targetObjectsNode; + +//---------------------------------------------------------------------------- +static const struct CompileFeaturesNode : public cmGeneratorExpressionNode +{ + CompileFeaturesNode() {} + + virtual int NumExpectedParameters() const { return OneOrMoreParameters; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + cmTarget const* target = context->HeadTarget; + if (!target) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. It may " + "not be used with add_custom_command or add_custom_target."); + return std::string(); + } + context->HadHeadSensitiveCondition = true; + + typedef std::map > LangMap; + static LangMap availableFeatures; + + LangMap testedFeatures; + + for (std::vector::const_iterator it = parameters.begin(); + it != parameters.end(); ++it) + { + std::string error; + std::string lang; + if (!context->Makefile->CompileFeatureKnown(context->HeadTarget, + *it, lang, &error)) + { + reportError(context, content->GetOriginalExpression(), error); + return std::string(); + } + testedFeatures[lang].push_back(*it); + + if (availableFeatures.find(lang) == availableFeatures.end()) + { + const char* featuresKnown + = context->Makefile->CompileFeaturesAvailable(lang, &error); + if (!featuresKnown) + { + reportError(context, content->GetOriginalExpression(), error); + return std::string(); + } + cmSystemTools::ExpandListArgument(featuresKnown, + availableFeatures[lang]); + } + } + + bool evalLL = dagChecker && dagChecker->EvaluatingLinkLibraries(); + + std::string result; + + for (LangMap::const_iterator lit = testedFeatures.begin(); + lit != testedFeatures.end(); ++lit) + { + std::vector const& langAvailable + = availableFeatures[lit->first]; + const char* standardDefault = context->Makefile + ->GetDefinition("CMAKE_" + lit->first + "_STANDARD_DEFAULT"); + for (std::vector::const_iterator it = lit->second.begin(); + it != lit->second.end(); ++it) + { + if (std::find(langAvailable.begin(), langAvailable.end(), *it) + == langAvailable.end()) + { + return "0"; + } + if (standardDefault && !*standardDefault) + { + // This compiler has no notion of language standard levels. + // All features known for the language are always available. + continue; + } + if (!context->Makefile->HaveStandardAvailable(target, + lit->first, *it)) + { + if (evalLL) + { + const char* l = target->GetProperty(lit->first + "_STANDARD"); + if (!l) + { + l = standardDefault; + } + assert(l); + context->MaxLanguageStandard[target][lit->first] = l; + } + else + { + return "0"; + } + } + } + } + return "1"; + } +} compileFeaturesNode; + +//---------------------------------------------------------------------------- +static const char* targetPolicyWhitelist[] = { + 0 +#define TARGET_POLICY_STRING(POLICY) \ + , #POLICY + + CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_STRING) + +#undef TARGET_POLICY_STRING +}; + +cmPolicies::PolicyStatus statusForTarget(cmTarget const* tgt, + const char *policy) +{ +#define RETURN_POLICY(POLICY) \ + if (strcmp(policy, #POLICY) == 0) \ + { \ + return tgt->GetPolicyStatus ## POLICY (); \ + } \ + + CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY) + +#undef RETURN_POLICY + + assert(0 && "Unreachable code. Not a valid policy"); + return cmPolicies::WARN; +} + +cmPolicies::PolicyID policyForString(const char *policy_id) +{ +#define RETURN_POLICY_ID(POLICY_ID) \ + if (strcmp(policy_id, #POLICY_ID) == 0) \ + { \ + return cmPolicies:: POLICY_ID; \ + } \ + + CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY_ID) + +#undef RETURN_POLICY_ID + + assert(0 && "Unreachable code. Not a valid policy"); + return cmPolicies::CMP0002; +} + +//---------------------------------------------------------------------------- +static const struct TargetPolicyNode : public cmGeneratorExpressionNode +{ + TargetPolicyNode() {} + + virtual int NumExpectedParameters() const { return 1; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context , + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$ may only be used with binary targets. It " + "may not be used with add_custom_command or add_custom_target."); + return std::string(); + } + + context->HadContextSensitiveCondition = true; + context->HadHeadSensitiveCondition = true; + + for (size_t i = 1; i < cmArraySize(targetPolicyWhitelist); ++i) + { + const char *policy = targetPolicyWhitelist[i]; + if (parameters.front() == policy) + { + cmMakefile *mf = context->HeadTarget->GetMakefile(); + switch(statusForTarget(context->HeadTarget, policy)) + { + case cmPolicies::WARN: + mf->IssueMessage(cmake::AUTHOR_WARNING, + mf->GetPolicies()-> + GetPolicyWarning(policyForString(policy))); + case cmPolicies::REQUIRED_IF_USED: + case cmPolicies::REQUIRED_ALWAYS: + case cmPolicies::OLD: + return "0"; + case cmPolicies::NEW: + return "1"; + } + } + } + reportError(context, content->GetOriginalExpression(), + "$ may only be used with a limited number of " + "policies. Currently it may be used with the following policies:\n" + +#define STRINGIFY_HELPER(X) #X +#define STRINGIFY(X) STRINGIFY_HELPER(X) + +#define TARGET_POLICY_LIST_ITEM(POLICY) \ + " * " STRINGIFY(POLICY) "\n" + + CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_LIST_ITEM) + +#undef TARGET_POLICY_LIST_ITEM + ); + return std::string(); + } + +} targetPolicyNode; + +//---------------------------------------------------------------------------- +static const struct InstallPrefixNode : public cmGeneratorExpressionNode +{ + InstallPrefixNode() {} + + virtual bool GeneratesContent() const { return true; } + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector &, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + reportError(context, content->GetOriginalExpression(), + "INSTALL_PREFIX is a marker for install(EXPORT) only. It " + "should never be evaluated."); + return std::string(); + } + +} installPrefixNode; + +//---------------------------------------------------------------------------- +class ArtifactNameTag; +class ArtifactLinkerTag; +class ArtifactSonameTag; +class ArtifactPdbTag; + +class ArtifactPathTag; +class ArtifactDirTag; +class ArtifactNameTag; + +//---------------------------------------------------------------------------- +template +struct TargetFilesystemArtifactResultCreator +{ + static std::string Create(cmTarget* target, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content); +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultCreator +{ + 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 +{ + static std::string Create(cmTarget* target, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content) + { + std::string language = target->GetLinkerLanguage(context->Config); + + std::string pdbSupportVar = "CMAKE_" + language + "_LINKER_SUPPORTS_PDB"; + + if(!context->Makefile->IsOn(pdbSupportVar)) + { + ::reportError(context, content->GetOriginalExpression(), + "TARGET_PDB_FILE is not supported by the target linker."); + return std::string(); + } + + cmTarget::TargetType targetType = target->GetType(); + + if(targetType != cmTarget::SHARED_LIBRARY && + targetType != cmTarget::MODULE_LIBRARY && + targetType != cmTarget::EXECUTABLE) + { + ::reportError(context, content->GetOriginalExpression(), + "TARGET_PDB_FILE is allowed only for " + "targets with linker created artifacts."); + return std::string(); + } + + std::string result = target->GetPDBDirectory(context->Config); + result += "/"; + result += target->GetPDBName(context->Config); + return result; + } +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultCreator +{ + 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 +{ + static std::string Create(cmTarget* target, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *) + { + return target->GetFullPath(context->Config, false, true); + } +}; + + +//---------------------------------------------------------------------------- +template +struct TargetFilesystemArtifactResultGetter +{ + static std::string Get(const std::string &result); +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultGetter +{ + static std::string Get(const std::string &result) + { return cmSystemTools::GetFilenameName(result); } +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultGetter +{ + static std::string Get(const std::string &result) + { return cmSystemTools::GetFilenamePath(result); } +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultGetter +{ + static std::string Get(const std::string &result) + { return result; } +}; + +//---------------------------------------------------------------------------- +template +struct TargetFilesystemArtifact : public cmGeneratorExpressionNode +{ + TargetFilesystemArtifact() {} + + virtual int NumExpectedParameters() const { return 1; } + + std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + // Lookup the referenced target. + std::string name = *parameters.begin(); + + if (!cmGeneratorExpression::IsValidTargetName(name)) + { + ::reportError(context, content->GetOriginalExpression(), + "Expression syntax not recognized."); + return std::string(); + } + cmTarget* target = context->Makefile->FindTargetToUse(name); + if(!target) + { + ::reportError(context, content->GetOriginalExpression(), + "No target \"" + name + "\""); + return std::string(); + } + if(target->GetType() >= cmTarget::OBJECT_LIBRARY && + target->GetType() != cmTarget::UNKNOWN_LIBRARY) + { + ::reportError(context, content->GetOriginalExpression(), + "Target \"" + name + "\" is not an executable or library."); + return std::string(); + } + if (dagChecker && (dagChecker->EvaluatingLinkLibraries(name.c_str()) + || (dagChecker->EvaluatingSources() + && name == dagChecker->TopTarget()))) + { + ::reportError(context, content->GetOriginalExpression(), + "Expressions which require the linker language may not " + "be used while evaluating link libraries"); + return std::string(); + } + context->DependTargets.insert(target); + context->AllTargets.insert(target); + + std::string result = + TargetFilesystemArtifactResultCreator::Create( + target, + context, + content); + if (context->HadError) + { + return std::string(); + } + return + TargetFilesystemArtifactResultGetter::Get(result); + } +}; + +//---------------------------------------------------------------------------- +template +struct TargetFilesystemArtifactNodeGroup +{ + TargetFilesystemArtifactNodeGroup() + { + } + + TargetFilesystemArtifact File; + TargetFilesystemArtifact FileName; + TargetFilesystemArtifact FileDir; +}; + +//---------------------------------------------------------------------------- +static const +TargetFilesystemArtifactNodeGroup targetNodeGroup; + +static const +TargetFilesystemArtifactNodeGroup targetLinkerNodeGroup; + +static const +TargetFilesystemArtifactNodeGroup targetSoNameNodeGroup; + +static const +TargetFilesystemArtifactNodeGroup targetPdbNodeGroup; + +//---------------------------------------------------------------------------- +const cmGeneratorExpressionNode* +cmGeneratorExpressionNode::GetNode(const std::string &identifier) +{ + typedef std::map NodeMap; + static NodeMap nodeMap; + if (nodeMap.empty()) + { + nodeMap["0"] = &zeroNode; + nodeMap["1"] = &oneNode; + nodeMap["AND"] = &andNode; + nodeMap["OR"] = &orNode; + nodeMap["NOT"] = ¬Node; + nodeMap["C_COMPILER_ID"] = &cCompilerIdNode; + nodeMap["CXX_COMPILER_ID"] = &cxxCompilerIdNode; + nodeMap["VERSION_GREATER"] = &versionGreaterNode; + nodeMap["VERSION_LESS"] = &versionLessNode; + nodeMap["VERSION_EQUAL"] = &versionEqualNode; + nodeMap["C_COMPILER_VERSION"] = &cCompilerVersionNode; + nodeMap["CXX_COMPILER_VERSION"] = &cxxCompilerVersionNode; + nodeMap["PLATFORM_ID"] = &platformIdNode; + nodeMap["COMPILE_FEATURES"] = &compileFeaturesNode; + nodeMap["CONFIGURATION"] = &configurationNode; + nodeMap["CONFIG"] = &configurationTestNode; + nodeMap["TARGET_FILE"] = &targetNodeGroup.File; + nodeMap["TARGET_LINKER_FILE"] = &targetLinkerNodeGroup.File; + nodeMap["TARGET_SONAME_FILE"] = &targetSoNameNodeGroup.File; + nodeMap["TARGET_PDB_FILE"] = &targetPdbNodeGroup.File; + nodeMap["TARGET_FILE_NAME"] = &targetNodeGroup.FileName; + nodeMap["TARGET_LINKER_FILE_NAME"] = &targetLinkerNodeGroup.FileName; + nodeMap["TARGET_SONAME_FILE_NAME"] = &targetSoNameNodeGroup.FileName; + nodeMap["TARGET_PDB_FILE_NAME"] = &targetPdbNodeGroup.FileName; + nodeMap["TARGET_FILE_DIR"] = &targetNodeGroup.FileDir; + nodeMap["TARGET_LINKER_FILE_DIR"] = &targetLinkerNodeGroup.FileDir; + nodeMap["TARGET_SONAME_FILE_DIR"] = &targetSoNameNodeGroup.FileDir; + nodeMap["TARGET_PDB_FILE_DIR"] = &targetPdbNodeGroup.FileDir; + nodeMap["STREQUAL"] = &strEqualNode; + nodeMap["EQUAL"] = &equalNode; + nodeMap["LOWER_CASE"] = &lowerCaseNode; + nodeMap["UPPER_CASE"] = &upperCaseNode; + nodeMap["MAKE_C_IDENTIFIER"] = &makeCIdentifierNode; + nodeMap["BOOL"] = &boolNode; + nodeMap["ANGLE-R"] = &angle_rNode; + nodeMap["COMMA"] = &commaNode; + nodeMap["SEMICOLON"] = &semicolonNode; + nodeMap["TARGET_PROPERTY"] = &targetPropertyNode; + nodeMap["TARGET_NAME"] = &targetNameNode; + nodeMap["TARGET_OBJECTS"] = &targetObjectsNode; + nodeMap["TARGET_POLICY"] = &targetPolicyNode; + nodeMap["BUILD_INTERFACE"] = &buildInterfaceNode; + nodeMap["INSTALL_INTERFACE"] = &installInterfaceNode; + nodeMap["INSTALL_PREFIX"] = &installPrefixNode; + nodeMap["JOIN"] = &joinNode; + nodeMap["LINK_ONLY"] = &linkOnlyNode; + nodeMap["COMPILE_LANGUAGE"] = &languageNode; + } + NodeMap::const_iterator i = nodeMap.find(identifier); + if (i == nodeMap.end()) + { + return 0; + } + return i->second; +} + +//---------------------------------------------------------------------------- +void reportError(cmGeneratorExpressionContext *context, + const std::string &expr, const std::string &result) +{ + context->HadError = true; + if (context->Quiet) + { + return; + } + + std::ostringstream e; + e << "Error evaluating generator expression:\n" + << " " << expr << "\n" + << result; + context->Makefile->GetCMakeInstance() + ->IssueMessage(cmake::FATAL_ERROR, e.str(), + context->Backtrace); +} diff --git a/Source/cmGeneratorExpressionNode.h b/Source/cmGeneratorExpressionNode.h new file mode 100644 index 000000000..847a00a21 --- /dev/null +++ b/Source/cmGeneratorExpressionNode.h @@ -0,0 +1,70 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2012 Stephen Kelly + + 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. +============================================================================*/ +#ifndef cmGeneratorExpressionNode_h +#define cmGeneratorExpressionNode_h + +#include "cmMakefile.h" + +#include "cmGeneratorExpressionEvaluator.h" +#include "cmGeneratorExpressionParser.h" +#include "cmGeneratorExpressionDAGChecker.h" +#include "cmGeneratorExpression.h" +#include "cmLocalGenerator.h" +#include "cmSourceFile.h" + +#include + +#include +#include + +#include "cmListFileCache.h" + +//---------------------------------------------------------------------------- +struct cmGeneratorExpressionNode +{ + enum { + DynamicParameters = 0, + OneOrMoreParameters = -1, + OneOrZeroParameters = -2 + }; + virtual ~cmGeneratorExpressionNode() {} + + virtual bool GeneratesContent() const { return true; } + + virtual bool RequiresLiteralInput() const { return false; } + + virtual bool AcceptsArbitraryContentParameter() const + { return false; } + + virtual int NumExpectedParameters() const { return 1; } + + virtual std::string Evaluate(const std::vector ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker + ) const = 0; + + static std::string EvaluateDependentExpression( + std::string const& prop, cmMakefile *makefile, + cmGeneratorExpressionContext *context, + cmTarget const* headTarget, cmTarget const* currentTarget, + cmGeneratorExpressionDAGChecker *dagChecker); + + static const cmGeneratorExpressionNode* GetNode( + const std::string &identifier); +}; + +//---------------------------------------------------------------------------- +void reportError(cmGeneratorExpressionContext *context, + const std::string &expr, const std::string &result); + +#endif diff --git a/bootstrap b/bootstrap index 320552aeb..6bc87ed53 100755 --- a/bootstrap +++ b/bootstrap @@ -270,6 +270,7 @@ CMAKE_CXX_SOURCES="\ cmGeneratorExpressionDAGChecker \ cmGeneratorExpressionEvaluator \ cmGeneratorExpressionLexer \ + cmGeneratorExpressionNode \ cmGeneratorExpressionParser \ cmGeneratorExpression \ cmGlobalGenerator \