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Diffstat (limited to 'Source/cmGeneratorExpressionEvaluator.cxx')
| -rw-r--r-- | Source/cmGeneratorExpressionEvaluator.cxx | 2073 |
1 files changed, 2073 insertions, 0 deletions
diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx new file mode 100644 index 0000000..27fe910 --- /dev/null +++ b/Source/cmGeneratorExpressionEvaluator.cxx @@ -0,0 +1,2073 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2012 Stephen Kelly <steveire@gmail.com> + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#include "cmMakefile.h" + +#include "cmGeneratorExpressionEvaluator.h" +#include "cmGeneratorExpressionParser.h" +#include "cmGeneratorExpressionDAGChecker.h" +#include "cmGeneratorExpression.h" +#include "cmLocalGenerator.h" +#include "cmSourceFile.h" + +#include <cmsys/String.h> + +#include <assert.h> +#include <errno.h> + +//---------------------------------------------------------------------------- +#if !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x510 +static +#endif +void reportError(cmGeneratorExpressionContext *context, + const std::string &expr, const std::string &result) +{ + context->HadError = true; + if (context->Quiet) + { + return; + } + + cmOStringStream e; + e << "Error evaluating generator expression:\n" + << " " << expr << "\n" + << result; + context->Makefile->GetCMakeInstance() + ->IssueMessage(cmake::FATAL_ERROR, e.str(), + 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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker + ) const = 0; +}; + +//---------------------------------------------------------------------------- +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<std::string> &, + 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<std::string> ¶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<std::string> ¶meters, \ + cmGeneratorExpressionContext *context, \ + const GeneratorExpressionContent *content, \ + cmGeneratorExpressionDAGChecker *) const \ + { \ + std::vector<std::string>::const_iterator it = parameters.begin(); \ + const std::vector<std::string>::const_iterator end = parameters.end(); \ + for ( ; it != end; ++it) \ + { \ + if (*it == #FAILURE_VALUE) \ + { \ + return #FAILURE_VALUE; \ + } \ + else if (*it != #SUCCESS_VALUE) \ + { \ + reportError(context, content->GetOriginalExpression(), \ + "Parameters to $<" #OP "> must resolve to either '0' or '1'."); \ + return std::string(); \ + } \ + } \ + return #SUCCESS_VALUE; \ + } \ +} OPNAME; + +BOOLEAN_OP_NODE(andNode, AND, 1, 0) +BOOLEAN_OP_NODE(orNode, OR, 0, 1) + +#undef BOOLEAN_OP_NODE + +//---------------------------------------------------------------------------- +static const struct NotNode : public cmGeneratorExpressionNode +{ + NotNode() {} + + std::string Evaluate(const std::vector<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (*parameters.begin() != "0" && *parameters.begin() != "1") + { + reportError(context, content->GetOriginalExpression(), + "$<NOT> parameter must resolve to exactly one '0' or '1' value."); + return std::string(); + } + return *parameters.begin() == "0" ? "1" : "0"; + } +} notNode; + +//---------------------------------------------------------------------------- +static const struct BoolNode : public cmGeneratorExpressionNode +{ + BoolNode() {} + + virtual int NumExpectedParameters() const { return 1; } + + std::string Evaluate(const std::vector<std::string> ¶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<std::string> ¶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<std::string> ¶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(), + "$<EQUAL> parameter " + parameters[0] + " is not a valid integer."); + return std::string(); + } + + if (flipSign) + { + lnum = -lnum; + } + + base = 0; + flipSign = false; + + const char *rhs = parameters[1].c_str(); + if (cmHasLiteralPrefix(rhs, "0b") || cmHasLiteralPrefix(rhs, "0B")) + { + base = 2; + rhs += 2; + } + if (cmHasLiteralPrefix(rhs, "-0b") || cmHasLiteralPrefix(rhs, "-0B")) + { + base = 2; + rhs += 3; + flipSign = true; + } + if (cmHasLiteralPrefix(rhs, "+0b") || cmHasLiteralPrefix(rhs, "+0B")) + { + base = 2; + rhs += 3; + } + + long rnum = strtol(rhs, &pEnd, base); + if (pEnd == rhs || *pEnd != '\0' || errno == ERANGE) + { + reportError(context, content->GetOriginalExpression(), + "$<EQUAL> 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<std::string> ¶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<std::string> ¶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<std::string> ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return cmSystemTools::MakeCidentifier(parameters.front().c_str()); + } +} makeCIdentifierNode; + +//---------------------------------------------------------------------------- +static const struct Angle_RNode : public cmGeneratorExpressionNode +{ + Angle_RNode() {} + + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector<std::string> &, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return ">"; + } +} angle_rNode; + +//---------------------------------------------------------------------------- +static const struct CommaNode : public cmGeneratorExpressionNode +{ + CommaNode() {} + + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector<std::string> &, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return ","; + } +} commaNode; + +//---------------------------------------------------------------------------- +static const struct SemicolonNode : public cmGeneratorExpressionNode +{ + SemicolonNode() {} + + virtual int NumExpectedParameters() const { return 0; } + + std::string Evaluate(const std::vector<std::string> &, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + return ";"; + } +} semicolonNode; + +//---------------------------------------------------------------------------- +struct CompilerIdNode : public cmGeneratorExpressionNode +{ + CompilerIdNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string EvaluateWithLanguage(const std::vector<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *, + const std::string &lang) const + { + const char *compilerId = + context->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER_ID"); + if (parameters.size() == 0) + { + return compilerId ? compilerId : ""; + } + static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$"); + if (!compilerIdValidator.find(*parameters.begin())) + { + reportError(context, content->GetOriginalExpression(), + "Expression syntax not recognized."); + return std::string(); + } + if (!compilerId) + { + return parameters.front().empty() ? "1" : "0"; + } + + if (strcmp(parameters.begin()->c_str(), compilerId) == 0) + { + return "1"; + } + + if (cmsysString_strcasecmp(parameters.begin()->c_str(), compilerId) == 0) + { + switch(context->Makefile->GetPolicyStatus(cmPolicies::CMP0044)) + { + case cmPolicies::WARN: + { + cmOStringStream e; + e << context->Makefile->GetPolicies() + ->GetPolicyWarning(cmPolicies::CMP0044); + context->Makefile->GetCMakeInstance() + ->IssueMessage(cmake::AUTHOR_WARNING, + e.str(), context->Backtrace); + } + case cmPolicies::OLD: + return "1"; + case cmPolicies::NEW: + case cmPolicies::REQUIRED_ALWAYS: + case cmPolicies::REQUIRED_IF_USED: + break; + } + } + return "0"; + } +}; + +//---------------------------------------------------------------------------- +static const struct CCompilerIdNode : public CompilerIdNode +{ + CCompilerIdNode() {} + + std::string Evaluate(const std::vector<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$<C_COMPILER_ID> 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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$<CXX_COMPILER_ID> may only be used with binary targets. It may " + "not be used with add_custom_command or add_custom_target."); + return std::string(); + } + return this->EvaluateWithLanguage(parameters, context, content, + dagChecker, "CXX"); + } +} cxxCompilerIdNode; + +//---------------------------------------------------------------------------- +struct CompilerVersionNode : public cmGeneratorExpressionNode +{ + CompilerVersionNode() {} + + virtual int NumExpectedParameters() const { return OneOrZeroParameters; } + + std::string EvaluateWithLanguage(const std::vector<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *, + const std::string &lang) const + { + const char *compilerVersion = context->Makefile->GetSafeDefinition( + "CMAKE_" + lang + "_COMPILER_VERSION"); + if (parameters.size() == 0) + { + return compilerVersion ? compilerVersion : ""; + } + + static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$"); + 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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$<C_COMPILER_VERSION> may only be used with binary targets. It " + "may not be used with add_custom_command or add_custom_target."); + return std::string(); + } + return this->EvaluateWithLanguage(parameters, context, content, + dagChecker, "C"); + } +} cCompilerVersionNode; + +//---------------------------------------------------------------------------- +static const struct CxxCompilerVersionNode : public CompilerVersionNode +{ + CxxCompilerVersionNode() {} + + std::string Evaluate(const std::vector<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$<CXX_COMPILER_VERSION> 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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + const char *platformId = + context->Makefile->GetSafeDefinition("CMAKE_SYSTEM_NAME"); + if (parameters.size() == 0) + { + 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<std::string> ¶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<std::string> ¶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<std::string> ¶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<std::string> ¶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<std::string> &, + 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<std::string> ¶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<std::string> 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<std::string> ¶meters, + cmGeneratorExpressionContext *, + const GeneratorExpressionContent *, + cmGeneratorExpressionDAGChecker *) const + { + std::string result; + + std::vector<std::string> list; + cmSystemTools::ExpandListArgument(parameters.front(), list); + std::string sep; + for(std::vector<std::string>::const_iterator li = list.begin(); + li != list.end(); ++li) + { + result += sep + *li; + sep = parameters[1]; + } + return result; + } +} joinNode; + +#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 <typename T> +std::string +getLinkedTargetsContent( + std::vector<T> 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<T>::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_PROPERTY:" + + it->Target->GetName() + "," + interfacePropertyName + ">"; + sep = ";"; + } + } + if(!depString.empty()) + { + cmGeneratorExpression ge(&context->Backtrace); + cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(depString); + linkedTargetsContent = cge->Evaluate(target->GetMakefile(), + context->Config, + context->Quiet, + headTarget, + target, + dagChecker); + if (cge->GetHadContextSensitiveCondition()) + { + context->HadContextSensitiveCondition = true; + } + if (cge->GetHadHeadSensitiveCondition()) + { + context->HadHeadSensitiveCondition = true; + } + } + 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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagCheckerParent + ) const + { + if (parameters.size() != 1 && parameters.size() != 2) + { + reportError(context, content->GetOriginalExpression(), + "$<TARGET_PROPERTY:...> expression requires one or two parameters"); + return std::string(); + } + static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$"); + + 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(), + "$<TARGET_PROPERTY:prop> may only be used with binary targets. " + "It may not be used with add_custom_command or add_custom_target. " + "Specify the target to read a property from using the " + "$<TARGET_PROPERTY:tgt,prop> signature instead."); + return std::string(); + } + + if (parameters.size() == 2) + { + if (parameters.begin()->empty() && parameters[1].empty()) + { + reportError(context, content->GetOriginalExpression(), + "$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty " + "target name and property name."); + return std::string(); + } + if (parameters.begin()->empty()) + { + reportError(context, content->GetOriginalExpression(), + "$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty " + "target name."); + return std::string(); + } + + std::string targetName = parameters.front(); + propertyName = parameters[1]; + if (!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) + { + cmOStringStream 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.empty()) + { + reportError(context, content->GetOriginalExpression(), + "$<TARGET_PROPERTY:...> expression requires a non-empty property " + "name."); + return std::string(); + } + + if (!propertyNameValidator.find(propertyName)) + { + ::reportError(context, content->GetOriginalExpression(), + "Property name not supported."); + return std::string(); + } + + assert(target); + + if (propertyName == "LINKER_LANGUAGE") + { + if (target->LinkLanguagePropagatesToDependents() && + dagCheckerParent && (dagCheckerParent->EvaluatingLinkLibraries() + || dagCheckerParent->EvaluatingSources())) + { + reportError(context, content->GetOriginalExpression(), + "LINKER_LANGUAGE target property can not be used while evaluating " + "link libraries for a static library"); + return std::string(); + } + return target->GetLinkerLanguage(context->Config); + } + + cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace, + target->GetName(), + propertyName, + content, + dagCheckerParent); + + switch (dagChecker.Check()) + { + case cmGeneratorExpressionDAGChecker::SELF_REFERENCE: + dagChecker.ReportError(context, content->GetOriginalExpression()); + return std::string(); + case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE: + // No error. We just skip cyclic references. + return std::string(); + case cmGeneratorExpressionDAGChecker::ALREADY_SEEN: + for (size_t i = 1; + i < cmArraySize(targetPropertyTransitiveWhitelist); + ++i) + { + if (targetPropertyTransitiveWhitelist[i] == propertyName) + { + // No error. We're not going to find anything new here. + return std::string(); + } + } + case cmGeneratorExpressionDAGChecker::DAG: + break; + } + + const char *prop = target->GetProperty(propertyName); + + if (dagCheckerParent) + { + if (dagCheckerParent->EvaluatingLinkLibraries()) + { +#define TRANSITIVE_PROPERTY_COMPARE(PROPERTY) \ + (#PROPERTY == propertyName || "INTERFACE_" #PROPERTY == propertyName) || + if (CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_COMPARE) + false) + { + reportError(context, content->GetOriginalExpression(), + "$<TARGET_PROPERTY:...> 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()) + { + cmGeneratorExpression ge(&context->Backtrace); + cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop); + cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem); + std::string result = cge->Evaluate(context->Makefile, + context->Config, + context->Quiet, + headTarget, + target, + &dagChecker); + + if (cge->GetHadContextSensitiveCondition()) + { + context->HadContextSensitiveCondition = true; + } + if (cge->GetHadHeadSensitiveCondition()) + { + context->HadHeadSensitiveCondition = true; + } + 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<std::string> ¶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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (!context->EvaluateForBuildsystem) + { + cmOStringStream 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) + { + cmOStringStream 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) + { + cmOStringStream e; + e << "Objects of target \"" << tgtName + << "\" referenced but is not an OBJECT library."; + reportError(context, content->GetOriginalExpression(), e.str()); + return std::string(); + } + + std::vector<cmSourceFile const*> objectSources; + gt->GetObjectSources(objectSources, context->Config); + std::map<cmSourceFile const*, std::string> mapping; + + for(std::vector<cmSourceFile const*>::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<cmSourceFile const*>::const_iterator it + = objectSources.begin(); it != objectSources.end(); ++it) + { + // Find the object file name corresponding to this source file. + std::map<cmSourceFile const*, std::string>::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<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *dagChecker) const + { + cmTarget const* target = context->HeadTarget; + if (!target) + { + reportError(context, content->GetOriginalExpression(), + "$<COMPILE_FEATURE> 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<std::string, std::vector<std::string> > LangMap; + static LangMap availableFeatures; + + LangMap testedFeatures; + + for (std::vector<std::string>::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) + { + for (std::vector<std::string>::const_iterator it = lit->second.begin(); + it != lit->second.end(); ++it) + { + if (!context->Makefile->HaveFeatureAvailable(target, + lit->first, *it)) + { + if (evalLL) + { + const char* l = target->GetProperty(lit->first + "_STANDARD"); + if (!l) + { + l = context->Makefile + ->GetDefinition("CMAKE_" + lit->first + "_STANDARD_DEFAULT"); + } + 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("!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("!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<std::string> ¶meters, + cmGeneratorExpressionContext *context , + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (!context->HeadTarget) + { + reportError(context, content->GetOriginalExpression(), + "$<TARGET_POLICY:prop> 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(), + "$<TARGET_POLICY:prop> 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<std::string> &, + 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<typename ArtifactT> +struct TargetFilesystemArtifactResultCreator +{ + static std::string Create(cmTarget* target, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content); +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultCreator<ArtifactSonameTag> +{ + 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<ArtifactPdbTag> +{ + 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<ArtifactLinkerTag> +{ + 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<ArtifactNameTag> +{ + static std::string Create(cmTarget* target, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *) + { + return target->GetFullPath(context->Config, false, true); + } +}; + + +//---------------------------------------------------------------------------- +template<typename ArtifactT> +struct TargetFilesystemArtifactResultGetter +{ + static std::string Get(const std::string &result); +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultGetter<ArtifactNameTag> +{ + static std::string Get(const std::string &result) + { return cmSystemTools::GetFilenameName(result); } +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultGetter<ArtifactDirTag> +{ + static std::string Get(const std::string &result) + { return cmSystemTools::GetFilenamePath(result); } +}; + +//---------------------------------------------------------------------------- +template<> +struct TargetFilesystemArtifactResultGetter<ArtifactPathTag> +{ + static std::string Get(const std::string &result) + { return result; } +}; + +//---------------------------------------------------------------------------- +template<typename ArtifactT, typename ComponentT> +struct TargetFilesystemArtifact : public cmGeneratorExpressionNode +{ + TargetFilesystemArtifact() {} + + virtual int NumExpectedParameters() const { return 1; } + + std::string Evaluate(const std::vector<std::string> ¶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<ArtifactT>::Create( + target, + context, + content); + if (context->HadError) + { + return std::string(); + } + return + TargetFilesystemArtifactResultGetter<ComponentT>::Get(result); + } +}; + +//---------------------------------------------------------------------------- +template<typename ArtifactT> +struct TargetFilesystemArtifactNodeGroup +{ + TargetFilesystemArtifactNodeGroup() + { + } + + TargetFilesystemArtifact<ArtifactT, ArtifactPathTag> File; + TargetFilesystemArtifact<ArtifactT, ArtifactNameTag> FileName; + TargetFilesystemArtifact<ArtifactT, ArtifactDirTag> FileDir; +}; + +//---------------------------------------------------------------------------- +static const +TargetFilesystemArtifactNodeGroup<ArtifactNameTag> targetNodeGroup; + +static const +TargetFilesystemArtifactNodeGroup<ArtifactLinkerTag> targetLinkerNodeGroup; + +static const +TargetFilesystemArtifactNodeGroup<ArtifactSonameTag> targetSoNameNodeGroup; + +static const +TargetFilesystemArtifactNodeGroup<ArtifactPdbTag> targetPdbNodeGroup; + +//---------------------------------------------------------------------------- +static const +cmGeneratorExpressionNode* GetNode(const std::string &identifier) +{ + typedef std::map<std::string, const cmGeneratorExpressionNode*> 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::const_iterator i = nodeMap.find(identifier); + if (i == nodeMap.end()) + { + return 0; + } + return i->second; + +} + +//---------------------------------------------------------------------------- +GeneratorExpressionContent::GeneratorExpressionContent( + const char *startContent, + size_t length) + : StartContent(startContent), ContentLength(length) +{ + +} + +//---------------------------------------------------------------------------- +std::string GeneratorExpressionContent::GetOriginalExpression() const +{ + return std::string(this->StartContent, this->ContentLength); +} + +//---------------------------------------------------------------------------- +std::string GeneratorExpressionContent::ProcessArbitraryContent( + const cmGeneratorExpressionNode *node, + const std::string &identifier, + cmGeneratorExpressionContext *context, + cmGeneratorExpressionDAGChecker *dagChecker, + std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator + pit) const +{ + std::string result; + + const + std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator + pend = this->ParamChildren.end(); + for ( ; pit != pend; ++pit) + { + std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it + = pit->begin(); + const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end + = pit->end(); + for ( ; it != end; ++it) + { + if (node->RequiresLiteralInput()) + { + if ((*it)->GetType() != cmGeneratorExpressionEvaluator::Text) + { + reportError(context, this->GetOriginalExpression(), + "$<" + identifier + "> expression requires literal input."); + return std::string(); + } + } + result += (*it)->Evaluate(context, dagChecker); + if (context->HadError) + { + return std::string(); + } + } + if ((pit + 1) != pend) + { + result += ","; + } + } + if (node->RequiresLiteralInput()) + { + std::vector<std::string> parameters; + parameters.push_back(result); + return node->Evaluate(parameters, context, this, dagChecker); + } + return result; +} + +//---------------------------------------------------------------------------- +std::string GeneratorExpressionContent::Evaluate( + cmGeneratorExpressionContext *context, + cmGeneratorExpressionDAGChecker *dagChecker) const +{ + std::string identifier; + { + std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it + = this->IdentifierChildren.begin(); + const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end + = this->IdentifierChildren.end(); + for ( ; it != end; ++it) + { + identifier += (*it)->Evaluate(context, dagChecker); + if (context->HadError) + { + return std::string(); + } + } + } + + const cmGeneratorExpressionNode *node = GetNode(identifier); + + if (!node) + { + reportError(context, this->GetOriginalExpression(), + "Expression did not evaluate to a known generator expression"); + return std::string(); + } + + if (!node->GeneratesContent()) + { + if (node->NumExpectedParameters() == 1 + && node->AcceptsArbitraryContentParameter()) + { + if (this->ParamChildren.empty()) + { + reportError(context, this->GetOriginalExpression(), + "$<" + identifier + "> expression requires a parameter."); + } + } + else + { + std::vector<std::string> parameters; + this->EvaluateParameters(node, identifier, context, dagChecker, + parameters); + } + return std::string(); + } + + std::vector<std::string> parameters; + this->EvaluateParameters(node, identifier, context, dagChecker, parameters); + if (context->HadError) + { + return std::string(); + } + + return node->Evaluate(parameters, context, this, dagChecker); +} + +//---------------------------------------------------------------------------- +std::string GeneratorExpressionContent::EvaluateParameters( + const cmGeneratorExpressionNode *node, + const std::string &identifier, + cmGeneratorExpressionContext *context, + cmGeneratorExpressionDAGChecker *dagChecker, + std::vector<std::string> ¶meters) const +{ + const int numExpected = node->NumExpectedParameters(); + { + std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator + pit = this->ParamChildren.begin(); + const + std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator + pend = this->ParamChildren.end(); + const bool acceptsArbitraryContent + = node->AcceptsArbitraryContentParameter(); + int counter = 1; + for ( ; pit != pend; ++pit, ++counter) + { + if (acceptsArbitraryContent && counter == numExpected) + { + std::string lastParam = this->ProcessArbitraryContent(node, identifier, + context, + dagChecker, + pit); + parameters.push_back(lastParam); + return std::string(); + } + else + { + std::string parameter; + std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it = + pit->begin(); + const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end = + pit->end(); + for ( ; it != end; ++it) + { + parameter += (*it)->Evaluate(context, dagChecker); + if (context->HadError) + { + return std::string(); + } + } + parameters.push_back(parameter); + } + } + } + + if ((numExpected > cmGeneratorExpressionNode::DynamicParameters + && (unsigned int)numExpected != parameters.size())) + { + if (numExpected == 0) + { + reportError(context, this->GetOriginalExpression(), + "$<" + identifier + "> expression requires no parameters."); + } + else if (numExpected == 1) + { + reportError(context, this->GetOriginalExpression(), + "$<" + identifier + "> expression requires " + "exactly one parameter."); + } + else + { + cmOStringStream e; + e << "$<" + identifier + "> expression requires " + << numExpected + << " comma separated parameters, but got " + << parameters.size() << " instead."; + reportError(context, this->GetOriginalExpression(), e.str()); + } + return std::string(); + } + + if (numExpected == cmGeneratorExpressionNode::OneOrMoreParameters + && parameters.empty()) + { + reportError(context, this->GetOriginalExpression(), "$<" + identifier + + "> expression requires at least one parameter."); + } + if (numExpected == cmGeneratorExpressionNode::OneOrZeroParameters + && parameters.size() > 1) + { + reportError(context, this->GetOriginalExpression(), "$<" + identifier + + "> expression requires one or zero parameters."); + } + return std::string(); +} + +//---------------------------------------------------------------------------- +static void deleteAll(const std::vector<cmGeneratorExpressionEvaluator*> &c) +{ + std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it + = c.begin(); + const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end + = c.end(); + for ( ; it != end; ++it) + { + delete *it; + } +} + +//---------------------------------------------------------------------------- +GeneratorExpressionContent::~GeneratorExpressionContent() +{ + deleteAll(this->IdentifierChildren); + + typedef std::vector<cmGeneratorExpressionEvaluator*> EvaluatorVector; + std::vector<EvaluatorVector>::const_iterator pit = + this->ParamChildren.begin(); + const std::vector<EvaluatorVector>::const_iterator pend = + this->ParamChildren.end(); + for ( ; pit != pend; ++pit) + { + deleteAll(*pit); + } +} |