diff options
Diffstat (limited to 'Source/cmGeneratorExpressionEvaluator.cxx')
| -rw-r--r-- | Source/cmGeneratorExpressionEvaluator.cxx | 342 |
1 files changed, 250 insertions, 92 deletions
diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx index 6618e83..df52368 100644 --- a/Source/cmGeneratorExpressionEvaluator.cxx +++ b/Source/cmGeneratorExpressionEvaluator.cxx @@ -45,13 +45,18 @@ void reportError(cmGeneratorExpressionContext *context, //---------------------------------------------------------------------------- struct cmGeneratorExpressionNode { + enum { + DynamicParameters = 0, + OneOrMoreParameters = -1, + ZeroOrMoreParameters = -2 + }; virtual ~cmGeneratorExpressionNode() {} virtual bool GeneratesContent() const { return true; } virtual bool RequiresLiteralInput() const { return false; } - virtual bool AcceptsSingleArbitraryContentParameter() const + virtual bool AcceptsArbitraryContentParameter() const { return false; } virtual int NumExpectedParameters() const { return 1; } @@ -70,7 +75,7 @@ static const struct ZeroNode : public cmGeneratorExpressionNode virtual bool GeneratesContent() const { return false; } - virtual bool AcceptsSingleArbitraryContentParameter() const { return true; } + virtual bool AcceptsArbitraryContentParameter() const { return true; } std::string Evaluate(const std::vector<std::string> &, cmGeneratorExpressionContext *, @@ -87,7 +92,7 @@ static const struct OneNode : public cmGeneratorExpressionNode { OneNode() {} - virtual bool AcceptsSingleArbitraryContentParameter() const { return true; } + virtual bool AcceptsArbitraryContentParameter() const { return true; } std::string Evaluate(const std::vector<std::string> &, cmGeneratorExpressionContext *, @@ -110,8 +115,7 @@ static const struct ZeroNode installInterfaceNode; static const struct OP ## Node : public cmGeneratorExpressionNode \ { \ OP ## Node () {} \ -/* We let -1 carry the meaning 'at least one' */ \ - virtual int NumExpectedParameters() const { return -1; } \ + virtual int NumExpectedParameters() const { return OneOrMoreParameters; } \ \ std::string Evaluate(const std::vector<std::string> ¶meters, \ cmGeneratorExpressionContext *context, \ @@ -306,6 +310,88 @@ static const struct ConfigurationTestNode : public cmGeneratorExpressionNode } } configurationTestNode; +//---------------------------------------------------------------------------- +static const struct LinkLanguageNode : public cmGeneratorExpressionNode +{ + LinkLanguageNode() {} + + virtual int NumExpectedParameters() const { return ZeroOrMoreParameters; } + + std::string Evaluate(const std::vector<std::string> ¶meters, + cmGeneratorExpressionContext *context, + const GeneratorExpressionContent *content, + cmGeneratorExpressionDAGChecker *) const + { + if (parameters.size() != 0 && parameters.size() != 1) + { + reportError(context, content->GetOriginalExpression(), + "$<LINK_LANGUAGE> expression requires one or two parameters"); + return std::string(); + } + cmTarget* target = context->HeadTarget; + if (!target) + { + reportError(context, content->GetOriginalExpression(), + "$<LINK_LANGUAGE> may only be used with targets. It may not " + "be used with add_custom_command."); + } + + const char *lang = target->GetLinkerLanguage(context->Config); + if (parameters.size() == 0) + { + return lang ? lang : ""; + } + else + { + cmsys::RegularExpression langValidator; + langValidator.compile("^[A-Za-z0-9_]*$"); + if (!langValidator.find(parameters.begin()->c_str())) + { + reportError(context, content->GetOriginalExpression(), + "Expression syntax not recognized."); + return std::string(); + } + if (!lang) + { + return parameters.front().empty() ? "1" : "0"; + } + + if (strcmp(parameters.begin()->c_str(), lang) == 0) + { + return "1"; + } + return "0"; + } + } +} linkLanguageNode; + +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; //---------------------------------------------------------------------------- static const char* targetPropertyTransitiveWhitelist[] = { @@ -313,13 +399,66 @@ static const char* targetPropertyTransitiveWhitelist[] = { , "INTERFACE_COMPILE_DEFINITIONS" }; +std::string getLinkedTargetsContent(const std::vector<std::string> &libraries, + cmTarget *target, + cmGeneratorExpressionContext *context, + cmGeneratorExpressionDAGChecker *dagChecker, + const std::string &interfacePropertyName) +{ + cmGeneratorExpression ge(context->Backtrace); + + std::string sep; + std::string depString; + for (std::vector<std::string>::const_iterator + it = libraries.begin(); + it != libraries.end(); ++it) + { + if (*it == target->GetName()) + { + // 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. + continue; + } + if (context->Makefile->FindTargetToUse(it->c_str())) + { + depString += + sep + "$<TARGET_PROPERTY:" + *it + "," + interfacePropertyName + ">"; + sep = ";"; + } + } + cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(depString); + std::string linkedTargetsContent = cge->Evaluate(context->Makefile, + context->Config, + context->Quiet, + context->HeadTarget, + target, + dagChecker); + if (cge->GetHadContextSensitiveCondition()) + { + context->HadContextSensitiveCondition = true; + } + return linkedTargetsContent; +} + +//---------------------------------------------------------------------------- +struct TransitiveWhitelistCompare +{ + explicit TransitiveWhitelistCompare(const std::string &needle) + : Needle(needle) {} + bool operator() (const char *item) + { return strcmp(item, this->Needle.c_str()) == 0; } +private: + std::string Needle; +}; + //---------------------------------------------------------------------------- static const struct TargetPropertyNode : public cmGeneratorExpressionNode { TargetPropertyNode() {} // This node handles errors on parameter count itself. - virtual int NumExpectedParameters() const { return -1; } + virtual int NumExpectedParameters() const { return OneOrMoreParameters; } std::string Evaluate(const std::vector<std::string> ¶meters, cmGeneratorExpressionContext *context, @@ -485,49 +624,36 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode interfacePropertyName = "INTERFACE_COMPILE_DEFINITIONS"; } - if (interfacePropertyName == "INTERFACE_INCLUDE_DIRECTORIES" - || interfacePropertyName == "INTERFACE_COMPILE_DEFINITIONS") + const char **transBegin = targetPropertyTransitiveWhitelist; + const char **transEnd = targetPropertyTransitiveWhitelist + + (sizeof(targetPropertyTransitiveWhitelist) / + sizeof(*targetPropertyTransitiveWhitelist)); + if (std::find_if(transBegin, transEnd, + TransitiveWhitelistCompare(propertyName)) != transEnd) { const cmTarget::LinkInterface *iface = target->GetLinkInterface( context->Config, context->HeadTarget); if(iface) { - cmGeneratorExpression ge(context->Backtrace); - - std::string sep; - std::string depString; - for (std::vector<std::string>::const_iterator - it = iface->Libraries.begin(); - it != iface->Libraries.end(); ++it) - { - if (*it == target->GetName()) - { - // 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. - continue; - } - if (context->Makefile->FindTargetToUse(it->c_str())) - { - depString += - sep + "$<TARGET_PROPERTY:" + *it + "," - + interfacePropertyName + ">"; - sep = ";"; - } - } - cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = - ge.Parse(depString); - linkedTargetsContent = cge->Evaluate(context->Makefile, - context->Config, - context->Quiet, - context->HeadTarget, - target, - &dagChecker); - if (cge->GetHadContextSensitiveCondition()) - { - context->HadContextSensitiveCondition = true; - } + linkedTargetsContent = + getLinkedTargetsContent(iface->Libraries, target, + context, &dagChecker, + interfacePropertyName); + } + } + else if (std::find_if(transBegin, transEnd, + TransitiveWhitelistCompare(interfacePropertyName)) != transEnd) + { + const cmTarget::LinkImplementation *impl = target->GetLinkImplementation( + context->Config, + context->HeadTarget); + if(impl) + { + linkedTargetsContent = + getLinkedTargetsContent(impl->Libraries, target, + context, &dagChecker, + interfacePropertyName); } } @@ -600,7 +726,7 @@ static const struct TargetNameNode : public cmGeneratorExpressionNode virtual bool GeneratesContent() const { return true; } - virtual bool AcceptsSingleArbitraryContentParameter() const { return true; } + virtual bool AcceptsArbitraryContentParameter() const { return true; } virtual bool RequiresLiteralInput() const { return true; } std::string Evaluate(const std::vector<std::string> ¶meters, @@ -933,6 +1059,8 @@ cmGeneratorExpressionNode* GetNode(const std::string &identifier) return &configurationNode; else if (identifier == "CONFIG") return &configurationTestNode; + else if (identifier == "LINK_LANGUAGE") + return &linkLanguageNode; else if (identifier == "TARGET_FILE") return &targetFileNode; else if (identifier == "TARGET_LINKER_FILE") @@ -973,6 +1101,8 @@ cmGeneratorExpressionNode* GetNode(const std::string &identifier) return &installInterfaceNode; else if (identifier == "INSTALL_PREFIX") return &installPrefixNode; + else if (identifier == "JOIN") + return &joinNode; return 0; } @@ -993,6 +1123,57 @@ std::string GeneratorExpressionContent::GetOriginalExpression() const } //---------------------------------------------------------------------------- +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 @@ -1024,7 +1205,8 @@ std::string GeneratorExpressionContent::Evaluate( if (!node->GeneratesContent()) { - if (node->AcceptsSingleArbitraryContentParameter()) + if (node->NumExpectedParameters() == 1 + && node->AcceptsArbitraryContentParameter()) { if (this->ParamChildren.empty()) { @@ -1041,50 +1223,12 @@ std::string GeneratorExpressionContent::Evaluate( return std::string(); } - if (node->AcceptsSingleArbitraryContentParameter()) + if (node->NumExpectedParameters() == 1 + && node->AcceptsArbitraryContentParameter()) { - std::string result; - std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator - pit = this->ParamChildren.begin(); - const - std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator - pend = this->ParamChildren.end(); - for ( ; pit != pend; ++pit) - { - if (!result.empty()) - { - result += ","; - } - - std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it - = pit->begin(); - const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end - = pit->end(); - for ( ; it != end; ++it) - { - if (node->RequiresLiteralInput()) - { - if ((*it)->GetType() != cmGeneratorExpressionEvaluator::Text) - { - reportError(context, this->GetOriginalExpression(), - "$<" + identifier + "> expression requires literal input."); - return std::string(); - } - } - result += (*it)->Evaluate(context, dagChecker); - if (context->HadError) - { - return std::string(); - } - } - } - if (node->RequiresLiteralInput()) - { - std::vector<std::string> parameters; - parameters.push_back(result); - return node->Evaluate(parameters, context, this, dagChecker); - } - return result; + return this->ProcessArbitraryContent(node, identifier, context, + dagChecker, + this->ParamChildren.begin()); } std::vector<std::string> parameters; @@ -1105,12 +1249,15 @@ std::string GeneratorExpressionContent::EvaluateParameters( 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(); for ( ; pit != pend; ++pit) { std::string parameter; @@ -1127,11 +1274,22 @@ std::string GeneratorExpressionContent::EvaluateParameters( } } parameters.push_back(parameter); + if (acceptsArbitraryContent + && parameters.size() == (unsigned int)numExpected - 1) + { + assert(pit != pend); + std::string lastParam = this->ProcessArbitraryContent(node, identifier, + context, + dagChecker, + pit + 1); + parameters.push_back(lastParam); + return std::string(); + } } } - int numExpected = node->NumExpectedParameters(); - if ((numExpected != -1 && (unsigned int)numExpected != parameters.size())) + if ((numExpected > cmGeneratorExpressionNode::DynamicParameters + && (unsigned int)numExpected != parameters.size())) { if (numExpected == 0) { @@ -1156,7 +1314,8 @@ std::string GeneratorExpressionContent::EvaluateParameters( return std::string(); } - if (numExpected == -1 && parameters.empty()) + if (numExpected == cmGeneratorExpressionNode::OneOrMoreParameters + && parameters.empty()) { reportError(context, this->GetOriginalExpression(), "$<" + identifier + "> expression requires at least one parameter."); @@ -1183,7 +1342,6 @@ GeneratorExpressionContent::~GeneratorExpressionContent() deleteAll(this->IdentifierChildren); typedef std::vector<cmGeneratorExpressionEvaluator*> EvaluatorVector; - typedef std::vector<cmGeneratorExpressionToken> TokenVector; std::vector<EvaluatorVector>::const_iterator pit = this->ParamChildren.begin(); const std::vector<EvaluatorVector>::const_iterator pend = |