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-rw-r--r--Source/cmGeneratorExpressionNode.cxx2570
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diff --git a/Source/cmGeneratorExpressionNode.cxx b/Source/cmGeneratorExpressionNode.cxx
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+++ b/Source/cmGeneratorExpressionNode.cxx
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+/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+ file Copyright.txt or https://cmake.org/licensing for details. */
+#include "cmGeneratorExpressionNode.h"
+
+#include <algorithm>
+#include <cassert>
+#include <cerrno>
+#include <cstdlib>
+#include <cstring>
+#include <map>
+#include <memory>
+#include <set>
+#include <sstream>
+#include <utility>
+
+#include <cm/iterator>
+#include <cm/string_view>
+#include <cm/vector>
+#include <cmext/algorithm>
+#include <cmext/string_view>
+
+#include "cmsys/RegularExpression.hxx"
+#include "cmsys/String.h"
+
+#include "cmAlgorithms.h"
+#include "cmGeneratorExpression.h"
+#include "cmGeneratorExpressionContext.h"
+#include "cmGeneratorExpressionDAGChecker.h"
+#include "cmGeneratorExpressionEvaluator.h"
+#include "cmGeneratorTarget.h"
+#include "cmGlobalGenerator.h"
+#include "cmLinkItem.h"
+#include "cmLocalGenerator.h"
+#include "cmMakefile.h"
+#include "cmMessageType.h"
+#include "cmOutputConverter.h"
+#include "cmPolicies.h"
+#include "cmProperty.h"
+#include "cmRange.h"
+#include "cmState.h"
+#include "cmStateSnapshot.h"
+#include "cmStateTypes.h"
+#include "cmStringAlgorithms.h"
+#include "cmSystemTools.h"
+#include "cmTarget.h"
+#include "cmake.h"
+
+std::string cmGeneratorExpressionNode::EvaluateDependentExpression(
+ std::string const& prop, cmLocalGenerator* lg,
+ cmGeneratorExpressionContext* context, cmGeneratorTarget const* headTarget,
+ cmGeneratorExpressionDAGChecker* dagChecker,
+ cmGeneratorTarget const* currentTarget)
+{
+ cmGeneratorExpression ge(context->Backtrace);
+ std::unique_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
+ cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem);
+ cge->SetQuiet(context->Quiet);
+ std::string result =
+ cge->Evaluate(lg, context->Config, headTarget, dagChecker, currentTarget,
+ context->Language);
+ if (cge->GetHadContextSensitiveCondition()) {
+ context->HadContextSensitiveCondition = true;
+ }
+ if (cge->GetHadHeadSensitiveCondition()) {
+ context->HadHeadSensitiveCondition = true;
+ }
+ if (cge->GetHadLinkLanguageSensitiveCondition()) {
+ context->HadLinkLanguageSensitiveCondition = true;
+ }
+ return result;
+}
+
+static const struct ZeroNode : public cmGeneratorExpressionNode
+{
+ ZeroNode() {} // NOLINT(modernize-use-equals-default)
+
+ bool GeneratesContent() const override { return false; }
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& /*parameters*/,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return std::string();
+ }
+} zeroNode;
+
+static const struct OneNode : public cmGeneratorExpressionNode
+{
+ OneNode() {} // NOLINT(modernize-use-equals-default)
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return parameters.front();
+ }
+} oneNode;
+
+static const struct OneNode buildInterfaceNode;
+
+static const struct ZeroNode installInterfaceNode;
+
+struct BooleanOpNode : public cmGeneratorExpressionNode
+{
+ BooleanOpNode(const char* op_, const char* successVal_,
+ const char* failureVal_)
+ : op(op_)
+ , successVal(successVal_)
+ , failureVal(failureVal_)
+ {
+ }
+
+ int NumExpectedParameters() const override { return OneOrMoreParameters; }
+
+ std::string Evaluate(const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker*) const override
+ {
+ for (std::string const& param : parameters) {
+ if (param == this->failureVal) {
+ return this->failureVal;
+ }
+ if (param != this->successVal) {
+ std::ostringstream e;
+ e << "Parameters to $<" << this->op;
+ e << "> must resolve to either '0' or '1'.";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return std::string();
+ }
+ }
+ return this->successVal;
+ }
+
+ const char *const op, *const successVal, *const failureVal;
+};
+
+static const BooleanOpNode andNode("AND", "1", "0"), orNode("OR", "0", "1");
+
+static const struct NotNode : public cmGeneratorExpressionNode
+{
+ NotNode() {} // NOLINT(modernize-use-equals-default)
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (parameters.front() != "0" && parameters.front() != "1") {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<NOT> parameter must resolve to exactly one '0' or '1' value.");
+ return std::string();
+ }
+ return parameters.front() == "0" ? "1" : "0";
+ }
+} notNode;
+
+static const struct BoolNode : public cmGeneratorExpressionNode
+{
+ BoolNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return !cmIsOff(parameters.front()) ? "1" : "0";
+ }
+} boolNode;
+
+static const struct IfNode : public cmGeneratorExpressionNode
+{
+ IfNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 3; }
+
+ std::string Evaluate(const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker*) const override
+ {
+ if (parameters[0] != "1" && parameters[0] != "0") {
+ reportError(context, content->GetOriginalExpression(),
+ "First parameter to $<IF> must resolve to exactly one '0' "
+ "or '1' value.");
+ return std::string();
+ }
+ return parameters[0] == "1" ? parameters[1] : parameters[2];
+ }
+} ifNode;
+
+static const struct StrEqualNode : public cmGeneratorExpressionNode
+{
+ StrEqualNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 2; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return parameters.front() == parameters[1] ? "1" : "0";
+ }
+} strEqualNode;
+
+static const struct EqualNode : public cmGeneratorExpressionNode
+{
+ EqualNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 2; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ long numbers[2];
+ for (int i = 0; i < 2; ++i) {
+ if (!ParameterToLong(parameters[i].c_str(), &numbers[i])) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<EQUAL> parameter " + parameters[i] +
+ " is not a valid integer.");
+ return {};
+ }
+ }
+ return numbers[0] == numbers[1] ? "1" : "0";
+ }
+
+ static bool ParameterToLong(const char* param, long* outResult)
+ {
+ const char isNegative = param[0] == '-';
+
+ int base = 0;
+ if (cmHasLiteralPrefix(param, "0b") || cmHasLiteralPrefix(param, "0B")) {
+ base = 2;
+ param += 2;
+ } else if (cmHasLiteralPrefix(param, "-0b") ||
+ cmHasLiteralPrefix(param, "-0B") ||
+ cmHasLiteralPrefix(param, "+0b") ||
+ cmHasLiteralPrefix(param, "+0B")) {
+ base = 2;
+ param += 3;
+ }
+
+ char* pEnd;
+ long result = strtol(param, &pEnd, base);
+ if (pEnd == param || *pEnd != '\0' || errno == ERANGE) {
+ return false;
+ }
+ if (isNegative && result > 0) {
+ result *= -1;
+ }
+ *outResult = result;
+ return true;
+ }
+} equalNode;
+
+static const struct InListNode : public cmGeneratorExpressionNode
+{
+ InListNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 2; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ std::vector<std::string> values;
+ std::vector<std::string> checkValues;
+ bool check = false;
+ switch (context->LG->GetPolicyStatus(cmPolicies::CMP0085)) {
+ case cmPolicies::WARN:
+ if (parameters.front().empty()) {
+ check = true;
+ cmExpandList(parameters[1], checkValues, true);
+ }
+ CM_FALLTHROUGH;
+ case cmPolicies::OLD:
+ cmExpandList(parameters[1], values);
+ if (check && values != checkValues) {
+ std::ostringstream e;
+ e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0085)
+ << "\nSearch Item:\n \"" << parameters.front()
+ << "\"\nList:\n \"" << parameters[1] << "\"\n";
+ context->LG->GetCMakeInstance()->IssueMessage(
+ MessageType ::AUTHOR_WARNING, e.str(), context->Backtrace);
+ return "0";
+ }
+ if (values.empty()) {
+ return "0";
+ }
+ break;
+ case cmPolicies::REQUIRED_IF_USED:
+ case cmPolicies::REQUIRED_ALWAYS:
+ case cmPolicies::NEW:
+ cmExpandList(parameters[1], values, true);
+ break;
+ }
+
+ return cm::contains(values, parameters.front()) ? "1" : "0";
+ }
+} inListNode;
+
+static const struct FilterNode : public cmGeneratorExpressionNode
+{
+ FilterNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 3; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (parameters.size() != 3) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<FILTER:...> expression requires three parameters");
+ return {};
+ }
+
+ if (parameters[1] != "INCLUDE" && parameters[1] != "EXCLUDE") {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<FILTER:...> second parameter must be either INCLUDE or EXCLUDE");
+ return {};
+ }
+
+ const bool exclude = parameters[1] == "EXCLUDE";
+
+ cmsys::RegularExpression re;
+ if (!re.compile(parameters[2])) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<FILTER:...> failed to compile regex");
+ return {};
+ }
+
+ std::vector<std::string> values;
+ std::vector<std::string> result;
+ cmExpandList(parameters.front(), values, true);
+
+ std::copy_if(values.cbegin(), values.cend(), std::back_inserter(result),
+ [&re, exclude](std::string const& input) {
+ return exclude ^ re.find(input);
+ });
+ return cmJoin(cmMakeRange(result.cbegin(), result.cend()), ";");
+ }
+} filterNode;
+
+static const struct RemoveDuplicatesNode : public cmGeneratorExpressionNode
+{
+ RemoveDuplicatesNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (parameters.size() != 1) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<REMOVE_DUPLICATES:...> expression requires one parameter");
+ }
+
+ std::vector<std::string> values = cmExpandedList(parameters.front(), true);
+
+ auto valuesEnd = cmRemoveDuplicates(values);
+ auto valuesBegin = values.cbegin();
+ return cmJoin(cmMakeRange(valuesBegin, valuesEnd), ";");
+ }
+
+} removeDuplicatesNode;
+
+static const struct TargetExistsNode : public cmGeneratorExpressionNode
+{
+ TargetExistsNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (parameters.size() != 1) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<TARGET_EXISTS:...> expression requires one parameter");
+ return std::string();
+ }
+
+ std::string targetName = parameters.front();
+ if (targetName.empty() ||
+ !cmGeneratorExpression::IsValidTargetName(targetName)) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<TARGET_EXISTS:tgt> expression requires a non-empty "
+ "valid target name.");
+ return std::string();
+ }
+
+ return context->LG->GetMakefile()->FindTargetToUse(targetName) ? "1" : "0";
+ }
+} targetExistsNode;
+
+static const struct TargetNameIfExistsNode : public cmGeneratorExpressionNode
+{
+ TargetNameIfExistsNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (parameters.size() != 1) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<TARGET_NAME_IF_EXISTS:...> expression requires one "
+ "parameter");
+ return std::string();
+ }
+
+ std::string targetName = parameters.front();
+ if (targetName.empty() ||
+ !cmGeneratorExpression::IsValidTargetName(targetName)) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<TARGET_NAME_IF_EXISTS:tgt> expression requires a "
+ "non-empty valid target name.");
+ return std::string();
+ }
+
+ return context->LG->GetMakefile()->FindTargetToUse(targetName)
+ ? targetName
+ : std::string();
+ }
+} targetNameIfExistsNode;
+
+struct GenexEvaluator : public cmGeneratorExpressionNode
+{
+ GenexEvaluator() {} // NOLINT(modernize-use-equals-default)
+
+protected:
+ std::string EvaluateExpression(
+ const std::string& genexOperator, const std::string& expression,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagCheckerParent) const
+ {
+ if (context->HeadTarget) {
+ cmGeneratorExpressionDAGChecker dagChecker(
+ context->Backtrace, context->HeadTarget,
+ genexOperator + ":" + expression, content, dagCheckerParent);
+ switch (dagChecker.Check()) {
+ case cmGeneratorExpressionDAGChecker::SELF_REFERENCE:
+ case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE: {
+ dagChecker.ReportError(context, content->GetOriginalExpression());
+ return std::string();
+ }
+ case cmGeneratorExpressionDAGChecker::ALREADY_SEEN:
+ case cmGeneratorExpressionDAGChecker::DAG:
+ break;
+ }
+
+ return this->EvaluateDependentExpression(
+ expression, context->LG, context, context->HeadTarget, &dagChecker,
+ context->CurrentTarget);
+ }
+
+ return this->EvaluateDependentExpression(
+ expression, context->LG, context, context->HeadTarget, dagCheckerParent,
+ context->CurrentTarget);
+ }
+};
+
+static const struct TargetGenexEvalNode : public GenexEvaluator
+{
+ TargetGenexEvalNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 2; }
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagCheckerParent) const override
+ {
+ const std::string& targetName = parameters.front();
+ if (targetName.empty() ||
+ !cmGeneratorExpression::IsValidTargetName(targetName)) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<TARGET_GENEX_EVAL:tgt, ...> expression requires a "
+ "non-empty valid target name.");
+ return std::string();
+ }
+
+ const auto* target = context->LG->FindGeneratorTargetToUse(targetName);
+ if (!target) {
+ std::ostringstream e;
+ e << "$<TARGET_GENEX_EVAL:tgt, ...> target \"" << targetName
+ << "\" not found.";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return std::string();
+ }
+
+ const std::string& expression = parameters[1];
+ if (expression.empty()) {
+ return expression;
+ }
+
+ cmGeneratorExpressionContext targetContext(
+ context->LG, context->Config, context->Quiet, target, target,
+ context->EvaluateForBuildsystem, context->Backtrace, context->Language);
+
+ return this->EvaluateExpression("TARGET_GENEX_EVAL", expression,
+ &targetContext, content, dagCheckerParent);
+ }
+} targetGenexEvalNode;
+
+static const struct GenexEvalNode : public GenexEvaluator
+{
+ GenexEvalNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagCheckerParent) const override
+ {
+ const std::string& expression = parameters[0];
+ if (expression.empty()) {
+ return expression;
+ }
+
+ return this->EvaluateExpression("GENEX_EVAL", expression, context, content,
+ dagCheckerParent);
+ }
+} genexEvalNode;
+
+static const struct LowerCaseNode : public cmGeneratorExpressionNode
+{
+ LowerCaseNode() {} // NOLINT(modernize-use-equals-default)
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return cmSystemTools::LowerCase(parameters.front());
+ }
+} lowerCaseNode;
+
+static const struct UpperCaseNode : public cmGeneratorExpressionNode
+{
+ UpperCaseNode() {} // NOLINT(modernize-use-equals-default)
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return cmSystemTools::UpperCase(parameters.front());
+ }
+} upperCaseNode;
+
+static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode
+{
+ MakeCIdentifierNode() {} // NOLINT(modernize-use-equals-default)
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return cmSystemTools::MakeCidentifier(parameters.front());
+ }
+} makeCIdentifierNode;
+
+template <char C>
+struct CharacterNode : public cmGeneratorExpressionNode
+{
+ CharacterNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 0; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& /*parameters*/,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return { C };
+ }
+};
+static const CharacterNode<'>'> angle_rNode;
+static const CharacterNode<','> commaNode;
+static const CharacterNode<';'> semicolonNode;
+
+struct CompilerIdNode : public cmGeneratorExpressionNode
+{
+ CompilerIdNode(const char* compilerLang)
+ : CompilerLanguage(compilerLang)
+ {
+ }
+
+ int NumExpectedParameters() const override { return ZeroOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget) {
+ std::ostringstream e;
+ e << "$<" << this->CompilerLanguage
+ << "_COMPILER_ID> may only be used with binary targets. It may "
+ "not be used with add_custom_command or add_custom_target.";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return {};
+ }
+ return this->EvaluateWithLanguage(parameters, context, content, dagChecker,
+ this->CompilerLanguage);
+ }
+
+ std::string EvaluateWithLanguage(const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*unused*/,
+ const std::string& lang) const
+ {
+ std::string const& compilerId =
+ context->LG->GetMakefile()->GetSafeDefinition("CMAKE_" + lang +
+ "_COMPILER_ID");
+ if (parameters.empty()) {
+ return compilerId;
+ }
+ if (compilerId.empty()) {
+ return parameters.front().empty() ? "1" : "0";
+ }
+ static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$");
+
+ for (auto& param : parameters) {
+
+ if (!compilerIdValidator.find(param)) {
+ reportError(context, content->GetOriginalExpression(),
+ "Expression syntax not recognized.");
+ return std::string();
+ }
+
+ if (strcmp(param.c_str(), compilerId.c_str()) == 0) {
+ return "1";
+ }
+
+ if (cmsysString_strcasecmp(param.c_str(), compilerId.c_str()) == 0) {
+ switch (context->LG->GetPolicyStatus(cmPolicies::CMP0044)) {
+ case cmPolicies::WARN: {
+ context->LG->GetCMakeInstance()->IssueMessage(
+ MessageType::AUTHOR_WARNING,
+ cmPolicies::GetPolicyWarning(cmPolicies::CMP0044),
+ context->Backtrace);
+ CM_FALLTHROUGH;
+ }
+ case cmPolicies::OLD:
+ return "1";
+ case cmPolicies::NEW:
+ case cmPolicies::REQUIRED_ALWAYS:
+ case cmPolicies::REQUIRED_IF_USED:
+ break;
+ }
+ }
+ }
+ return "0";
+ }
+
+ const char* const CompilerLanguage;
+};
+
+static const CompilerIdNode cCompilerIdNode("C"), cxxCompilerIdNode("CXX"),
+ cudaCompilerIdNode("CUDA"), objcCompilerIdNode("OBJC"),
+ objcxxCompilerIdNode("OBJCXX"), fortranCompilerIdNode("Fortran");
+
+struct CompilerVersionNode : public cmGeneratorExpressionNode
+{
+ CompilerVersionNode(const char* compilerLang)
+ : CompilerLanguage(compilerLang)
+ {
+ }
+
+ int NumExpectedParameters() const override { return OneOrZeroParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget) {
+ std::ostringstream e;
+ e << "$<" << this->CompilerLanguage
+ << "_COMPILER_VERSION> may only be used with binary targets. It "
+ "may not be used with add_custom_command or add_custom_target.";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return {};
+ }
+ return this->EvaluateWithLanguage(parameters, context, content, dagChecker,
+ this->CompilerLanguage);
+ }
+
+ std::string EvaluateWithLanguage(const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*unused*/,
+ const std::string& lang) const
+ {
+ std::string const& compilerVersion =
+ context->LG->GetMakefile()->GetSafeDefinition("CMAKE_" + lang +
+ "_COMPILER_VERSION");
+ if (parameters.empty()) {
+ return compilerVersion;
+ }
+
+ static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$");
+ if (!compilerIdValidator.find(parameters.front())) {
+ reportError(context, content->GetOriginalExpression(),
+ "Expression syntax not recognized.");
+ return {};
+ }
+ if (compilerVersion.empty()) {
+ return parameters.front().empty() ? "1" : "0";
+ }
+
+ return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
+ parameters.front().c_str(),
+ compilerVersion.c_str())
+ ? "1"
+ : "0";
+ }
+
+ const char* const CompilerLanguage;
+};
+
+static const CompilerVersionNode cCompilerVersionNode("C"),
+ cxxCompilerVersionNode("CXX"), cudaCompilerVersionNode("CUDA"),
+ objcCompilerVersionNode("OBJC"), objcxxCompilerVersionNode("OBJCXX"),
+ fortranCompilerVersionNode("Fortran");
+
+struct PlatformIdNode : public cmGeneratorExpressionNode
+{
+ PlatformIdNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return ZeroOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ std::string const& platformId =
+ context->LG->GetMakefile()->GetSafeDefinition("CMAKE_SYSTEM_NAME");
+ if (parameters.empty()) {
+ return platformId;
+ }
+
+ if (platformId.empty()) {
+ return parameters.front().empty() ? "1" : "0";
+ }
+
+ for (auto& param : parameters) {
+ if (param == platformId) {
+ return "1";
+ }
+ }
+ return "0";
+ }
+} platformIdNode;
+
+template <cmSystemTools::CompareOp Op>
+struct VersionNode : public cmGeneratorExpressionNode
+{
+ VersionNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 2; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return cmSystemTools::VersionCompare(Op, parameters.front().c_str(),
+ parameters[1].c_str())
+ ? "1"
+ : "0";
+ }
+};
+
+static const VersionNode<cmSystemTools::OP_GREATER> versionGreaterNode;
+static const VersionNode<cmSystemTools::OP_GREATER_EQUAL> versionGreaterEqNode;
+static const VersionNode<cmSystemTools::OP_LESS> versionLessNode;
+static const VersionNode<cmSystemTools::OP_LESS_EQUAL> versionLessEqNode;
+static const VersionNode<cmSystemTools::OP_EQUAL> versionEqualNode;
+
+static const struct LinkOnlyNode : public cmGeneratorExpressionNode
+{
+ LinkOnlyNode() {} // NOLINT(modernize-use-equals-default)
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!dagChecker) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<LINK_ONLY:...> may only be used for linking");
+ return std::string();
+ }
+ if (!dagChecker->GetTransitivePropertiesOnly()) {
+ return parameters.front();
+ }
+ return std::string();
+ }
+} linkOnlyNode;
+
+static const struct ConfigurationNode : public cmGeneratorExpressionNode
+{
+ ConfigurationNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 0; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& /*parameters*/,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ context->HadContextSensitiveCondition = true;
+ return context->Config;
+ }
+} configurationNode;
+
+static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
+{
+ ConfigurationTestNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return OneOrZeroParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (parameters.empty()) {
+ return configurationNode.Evaluate(parameters, context, content, nullptr);
+ }
+ static cmsys::RegularExpression configValidator("^[A-Za-z0-9_]*$");
+ if (!configValidator.find(parameters.front())) {
+ 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.front().c_str(),
+ context->Config.c_str()) == 0) {
+ return "1";
+ }
+
+ if (context->CurrentTarget && context->CurrentTarget->IsImported()) {
+ cmProp loc = nullptr;
+ cmProp imp = nullptr;
+ std::string suffix;
+ if (context->CurrentTarget->Target->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 = cmStrCat(
+ "MAP_IMPORTED_CONFIG_", cmSystemTools::UpperCase(context->Config));
+ if (cmProp mapValue = context->CurrentTarget->GetProperty(mapProp)) {
+ cmExpandList(cmSystemTools::UpperCase(*mapValue), mappedConfigs);
+ return cm::contains(mappedConfigs,
+ cmSystemTools::UpperCase(parameters.front()))
+ ? "1"
+ : "0";
+ }
+ }
+ }
+ return "0";
+ }
+} configurationTestNode;
+
+static const struct JoinNode : public cmGeneratorExpressionNode
+{
+ JoinNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 2; }
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ std::vector<std::string> list = cmExpandedList(parameters.front());
+ return cmJoin(list, parameters[1]);
+ }
+} joinNode;
+
+static const struct CompileLanguageNode : public cmGeneratorExpressionNode
+{
+ CompileLanguageNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return ZeroOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ if (context->Language.empty()) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<COMPILE_LANGUAGE:...> may only be used to specify include "
+ "directories, compile definitions, compile options, and to evaluate "
+ "components of the file(GENERATE) command.");
+ return std::string();
+ }
+
+ cmGlobalGenerator* gg = context->LG->GetGlobalGenerator();
+ std::string genName = gg->GetName();
+ if (genName.find("Makefiles") == std::string::npos &&
+ genName.find("Ninja") == std::string::npos &&
+ genName.find("Visual Studio") == std::string::npos &&
+ genName.find("Xcode") == std::string::npos &&
+ genName.find("Watcom WMake") == std::string::npos) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<COMPILE_LANGUAGE:...> not supported for this generator.");
+ return std::string();
+ }
+ if (parameters.empty()) {
+ return context->Language;
+ }
+
+ for (auto& param : parameters) {
+ if (context->Language == param) {
+ return "1";
+ }
+ }
+ return "0";
+ }
+} languageNode;
+
+static const struct CompileLanguageAndIdNode : public cmGeneratorExpressionNode
+{
+ CompileLanguageAndIdNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return TwoOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget || context->Language.empty()) {
+ // reportError(context, content->GetOriginalExpression(), "");
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<COMPILE_LANG_AND_ID:lang,id> may only be used with binary targets "
+ "to specify include directories, compile definitions, and compile "
+ "options. It may not be used with the add_custom_command, "
+ "add_custom_target, or file(GENERATE) commands.");
+ return std::string();
+ }
+ cmGlobalGenerator* gg = context->LG->GetGlobalGenerator();
+ std::string genName = gg->GetName();
+ if (genName.find("Makefiles") == std::string::npos &&
+ genName.find("Ninja") == std::string::npos &&
+ genName.find("Visual Studio") == std::string::npos &&
+ genName.find("Xcode") == std::string::npos &&
+ genName.find("Watcom WMake") == std::string::npos) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<COMPILE_LANG_AND_ID:lang,id> not supported for this generator.");
+ return std::string();
+ }
+
+ const std::string& lang = context->Language;
+ if (lang == parameters.front()) {
+ std::vector<std::string> idParameter((parameters.cbegin() + 1),
+ parameters.cend());
+ return CompilerIdNode{ lang.c_str() }.EvaluateWithLanguage(
+ idParameter, context, content, dagChecker, lang);
+ }
+ return "0";
+ }
+} languageAndIdNode;
+
+static const struct LinkLanguageNode : public cmGeneratorExpressionNode
+{
+ LinkLanguageNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return ZeroOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget || !dagChecker ||
+ !(dagChecker->EvaluatingLinkExpression() ||
+ dagChecker->EvaluatingLinkLibraries())) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<LINK_LANGUAGE:...> may only be used with binary targets "
+ "to specify link libraries, link directories, link options "
+ "and link depends.");
+ return std::string();
+ }
+ if (dagChecker->EvaluatingLinkLibraries() && parameters.empty()) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<LINK_LANGUAGE> is not supported in link libraries expression.");
+ return std::string();
+ }
+
+ cmGlobalGenerator* gg = context->LG->GetGlobalGenerator();
+ std::string genName = gg->GetName();
+ if (genName.find("Makefiles") == std::string::npos &&
+ genName.find("Ninja") == std::string::npos &&
+ genName.find("Visual Studio") == std::string::npos &&
+ genName.find("Xcode") == std::string::npos &&
+ genName.find("Watcom WMake") == std::string::npos) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<LINK_LANGUAGE:...> not supported for this generator.");
+ return std::string();
+ }
+
+ if (dagChecker->EvaluatingLinkLibraries()) {
+ context->HadHeadSensitiveCondition = true;
+ context->HadLinkLanguageSensitiveCondition = true;
+ }
+
+ if (parameters.empty()) {
+ return context->Language;
+ }
+
+ for (auto& param : parameters) {
+ if (context->Language == param) {
+ return "1";
+ }
+ }
+ return "0";
+ }
+} linkLanguageNode;
+
+namespace {
+struct LinkerId
+{
+ static std::string Evaluate(const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ const std::string& lang)
+ {
+ std::string const& linkerId =
+ context->LG->GetMakefile()->GetSafeDefinition("CMAKE_" + lang +
+ "_COMPILER_ID");
+ if (parameters.empty()) {
+ return linkerId;
+ }
+ if (linkerId.empty()) {
+ return parameters.front().empty() ? "1" : "0";
+ }
+ static cmsys::RegularExpression linkerIdValidator("^[A-Za-z0-9_]*$");
+
+ for (auto& param : parameters) {
+ if (!linkerIdValidator.find(param)) {
+ reportError(context, content->GetOriginalExpression(),
+ "Expression syntax not recognized.");
+ return std::string();
+ }
+
+ if (param == linkerId) {
+ return "1";
+ }
+ }
+ return "0";
+ }
+};
+}
+
+static const struct LinkLanguageAndIdNode : public cmGeneratorExpressionNode
+{
+ LinkLanguageAndIdNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return TwoOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget || !dagChecker ||
+ !(dagChecker->EvaluatingLinkExpression() ||
+ dagChecker->EvaluatingLinkLibraries())) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<LINK_LANG_AND_ID:lang,id> may only be used with binary targets "
+ "to specify link libraries, link directories, link options, and link "
+ "depends.");
+ return std::string();
+ }
+
+ cmGlobalGenerator* gg = context->LG->GetGlobalGenerator();
+ std::string genName = gg->GetName();
+ if (genName.find("Makefiles") == std::string::npos &&
+ genName.find("Ninja") == std::string::npos &&
+ genName.find("Visual Studio") == std::string::npos &&
+ genName.find("Xcode") == std::string::npos &&
+ genName.find("Watcom WMake") == std::string::npos) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<LINK_LANG_AND_ID:lang,id> not supported for this generator.");
+ return std::string();
+ }
+
+ if (dagChecker->EvaluatingLinkLibraries()) {
+ context->HadHeadSensitiveCondition = true;
+ context->HadLinkLanguageSensitiveCondition = true;
+ }
+
+ const std::string& lang = context->Language;
+ if (lang == parameters.front()) {
+ std::vector<std::string> idParameter((parameters.cbegin() + 1),
+ parameters.cend());
+ return LinkerId::Evaluate(idParameter, context, content, lang);
+ }
+ return "0";
+ }
+} linkLanguageAndIdNode;
+
+static const struct HostLinkNode : public cmGeneratorExpressionNode
+{
+ HostLinkNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return ZeroOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget || !dagChecker ||
+ !dagChecker->EvaluatingLinkOptionsExpression()) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<HOST_LINK:...> may only be used with binary targets "
+ "to specify link options.");
+ return std::string();
+ }
+
+ return context->HeadTarget->IsDeviceLink() ? std::string()
+ : cmJoin(parameters, ";");
+ }
+} hostLinkNode;
+
+static const struct DeviceLinkNode : public cmGeneratorExpressionNode
+{
+ DeviceLinkNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return ZeroOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ if (!context->HeadTarget || !dagChecker ||
+ !dagChecker->EvaluatingLinkOptionsExpression()) {
+ reportError(context, content->GetOriginalExpression(),
+ "$<DEVICE_LINK:...> may only be used with binary targets "
+ "to specify link options.");
+ return std::string();
+ }
+
+ if (context->HeadTarget->IsDeviceLink()) {
+ std::vector<std::string> list;
+ cmExpandLists(parameters.begin(), parameters.end(), list);
+ const auto DL_BEGIN = "<DEVICE_LINK>"_s;
+ const auto DL_END = "</DEVICE_LINK>"_s;
+ cm::erase_if(list, [&](const std::string& item) {
+ return item == DL_BEGIN || item == DL_END;
+ });
+
+ list.insert(list.begin(), static_cast<std::string>(DL_BEGIN));
+ list.push_back(static_cast<std::string>(DL_END));
+
+ return cmJoin(list, ";");
+ }
+
+ return std::string();
+ }
+} deviceLinkNode;
+
+std::string getLinkedTargetsContent(
+ cmGeneratorTarget const* target, std::string const& prop,
+ cmGeneratorExpressionContext* context,
+ cmGeneratorExpressionDAGChecker* dagChecker)
+{
+ std::string result;
+ if (cmLinkImplementationLibraries const* impl =
+ target->GetLinkImplementationLibraries(context->Config)) {
+ for (cmLinkImplItem const& lib : impl->Libraries) {
+ if (lib.Target) {
+ // Pretend $<TARGET_PROPERTY:lib.Target,prop> appeared in our
+ // caller's property and hand-evaluate it as if it were compiled.
+ // Create a context as cmCompiledGeneratorExpression::Evaluate does.
+ cmGeneratorExpressionContext libContext(
+ target->GetLocalGenerator(), context->Config, context->Quiet, target,
+ target, context->EvaluateForBuildsystem, lib.Backtrace,
+ context->Language);
+ std::string libResult =
+ lib.Target->EvaluateInterfaceProperty(prop, &libContext, dagChecker);
+ if (!libResult.empty()) {
+ if (result.empty()) {
+ result = std::move(libResult);
+ } else {
+ result.reserve(result.size() + 1 + libResult.size());
+ result += ";";
+ result += libResult;
+ }
+ }
+ }
+ }
+ }
+ return result;
+}
+
+static const struct TargetPropertyNode : public cmGeneratorExpressionNode
+{
+ TargetPropertyNode() {} // NOLINT(modernize-use-equals-default)
+
+ // This node handles errors on parameter count itself.
+ int NumExpectedParameters() const override { return OneOrMoreParameters; }
+
+ static const char* GetErrorText(std::string const& targetName,
+ std::string const& propertyName)
+ {
+ static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$");
+ if (targetName.empty() && propertyName.empty()) {
+ return "$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
+ "target name and property name.";
+ }
+ if (targetName.empty()) {
+ return "$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
+ "target name.";
+ }
+ if (!cmGeneratorExpression::IsValidTargetName(targetName)) {
+ if (!propertyNameValidator.find(propertyName)) {
+ return "Target name and property name not supported.";
+ }
+ return "Target name not supported.";
+ }
+ return nullptr;
+ }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagCheckerParent) const override
+ {
+ static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$");
+
+ cmGeneratorTarget const* target = nullptr;
+ std::string targetName;
+ std::string propertyName;
+
+ if (parameters.size() == 2) {
+ targetName = parameters[0];
+ propertyName = parameters[1];
+
+ if (const char* e = GetErrorText(targetName, propertyName)) {
+ reportError(context, content->GetOriginalExpression(), e);
+ return std::string();
+ }
+ if (propertyName == "ALIASED_TARGET"_s) {
+ if (context->LG->GetMakefile()->IsAlias(targetName)) {
+ if (cmGeneratorTarget* tgt =
+ context->LG->FindGeneratorTargetToUse(targetName)) {
+ return tgt->GetName();
+ }
+ }
+ return std::string();
+ }
+ if (propertyName == "ALIAS_GLOBAL"_s) {
+ if (context->LG->GetMakefile()->IsAlias(targetName)) {
+ return context->LG->GetGlobalGenerator()->IsAlias(targetName)
+ ? "TRUE"
+ : "FALSE";
+ }
+ return std::string();
+ }
+ target = context->LG->FindGeneratorTargetToUse(targetName);
+
+ if (!target) {
+ std::ostringstream e;
+ e << "Target \"" << targetName << "\" not found.";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return std::string();
+ }
+ context->AllTargets.insert(target);
+
+ } else if (parameters.size() == 1) {
+ target = context->HeadTarget;
+ propertyName = parameters[0];
+
+ // Keep track of the properties seen while processing.
+ // The evaluation of the LINK_LIBRARIES generator expressions
+ // will check this to ensure that properties have one consistent
+ // value for all evaluations.
+ context->SeenTargetProperties.insert(propertyName);
+
+ context->HadHeadSensitiveCondition = true;
+ if (!target) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<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 "
+ "$<TARGET_PROPERTY:tgt,prop> signature instead.");
+ return std::string();
+ }
+ } else {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<TARGET_PROPERTY:...> expression requires one or two parameters");
+ return std::string();
+ }
+
+ if (propertyName == "SOURCES") {
+ context->SourceSensitiveTargets.insert(target);
+ }
+
+ if (propertyName.empty()) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<TARGET_PROPERTY:...> expression requires a non-empty property "
+ "name.");
+ return std::string();
+ }
+
+ if (!propertyNameValidator.find(propertyName)) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "Property name not supported.");
+ return std::string();
+ }
+
+ assert(target);
+
+ if (propertyName == "LINKER_LANGUAGE") {
+ if (target->LinkLanguagePropagatesToDependents() && dagCheckerParent &&
+ (dagCheckerParent->EvaluatingLinkLibraries() ||
+ dagCheckerParent->EvaluatingSources())) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "LINKER_LANGUAGE target property can not be used while evaluating "
+ "link libraries for a static library");
+ return std::string();
+ }
+ return target->GetLinkerLanguage(context->Config);
+ }
+
+ std::string interfacePropertyName;
+ bool isInterfaceProperty = false;
+
+#define POPULATE_INTERFACE_PROPERTY_NAME(prop) \
+ if (propertyName == #prop) { \
+ interfacePropertyName = "INTERFACE_" #prop; \
+ } else if (propertyName == "INTERFACE_" #prop) { \
+ interfacePropertyName = "INTERFACE_" #prop; \
+ isInterfaceProperty = true; \
+ } else
+
+ CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(POPULATE_INTERFACE_PROPERTY_NAME)
+ // Note that the above macro terminates with an else
+ /* else */ if (cmHasLiteralPrefix(propertyName, "COMPILE_DEFINITIONS_")) {
+ cmPolicies::PolicyStatus polSt =
+ context->LG->GetPolicyStatus(cmPolicies::CMP0043);
+ if (polSt == cmPolicies::WARN || polSt == cmPolicies::OLD) {
+ interfacePropertyName = "INTERFACE_COMPILE_DEFINITIONS";
+ }
+ }
+#undef POPULATE_INTERFACE_PROPERTY_NAME
+
+ bool evaluatingLinkLibraries = false;
+
+ if (dagCheckerParent) {
+ if (dagCheckerParent->EvaluatingGenexExpression() ||
+ dagCheckerParent->EvaluatingPICExpression()) {
+ // No check required.
+ } else if (dagCheckerParent->EvaluatingLinkLibraries()) {
+ evaluatingLinkLibraries = true;
+ if (!interfacePropertyName.empty()) {
+ reportError(
+ context, content->GetOriginalExpression(),
+ "$<TARGET_PROPERTY:...> expression in link libraries "
+ "evaluation depends on target property which is transitive "
+ "over the link libraries, creating a recursion.");
+ return std::string();
+ }
+ } else {
+#define ASSERT_TRANSITIVE_PROPERTY_METHOD(METHOD) dagCheckerParent->METHOD() ||
+ assert(CM_FOR_EACH_TRANSITIVE_PROPERTY_METHOD(
+ ASSERT_TRANSITIVE_PROPERTY_METHOD) false); // NOLINT(clang-tidy)
+#undef ASSERT_TRANSITIVE_PROPERTY_METHOD
+ }
+ }
+
+ if (isInterfaceProperty) {
+ return target->EvaluateInterfaceProperty(propertyName, context,
+ dagCheckerParent);
+ }
+
+ cmGeneratorExpressionDAGChecker dagChecker(
+ context->Backtrace, target, 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:
+ // We handle transitive properties above. For non-transitive
+ // properties we accept repeats anyway.
+ case cmGeneratorExpressionDAGChecker::DAG:
+ break;
+ }
+
+ std::string result;
+ bool haveProp = false;
+ if (cmProp p = target->GetProperty(propertyName)) {
+ result = *p;
+ haveProp = true;
+ } else if (evaluatingLinkLibraries) {
+ return std::string();
+ }
+
+ if (!haveProp && !target->IsImported() &&
+ target->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
+ 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 : "";
+ }
+ }
+
+ 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()) {
+ result = this->EvaluateDependentExpression(result, context->LG, context,
+ target, &dagChecker, target);
+ std::string linkedTargetsContent = getLinkedTargetsContent(
+ target, interfacePropertyName, context, &dagChecker);
+ if (!linkedTargetsContent.empty()) {
+ result += (result.empty() ? "" : ";") + linkedTargetsContent;
+ }
+ }
+ return result;
+ }
+} targetPropertyNode;
+
+static const struct TargetNameNode : public cmGeneratorExpressionNode
+{
+ TargetNameNode() {} // NOLINT(modernize-use-equals-default)
+
+ bool GeneratesContent() const override { return true; }
+
+ bool AcceptsArbitraryContentParameter() const override { return true; }
+ bool RequiresLiteralInput() const override { return true; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* /*context*/,
+ const GeneratorExpressionContent* /*content*/,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ return parameters.front();
+ }
+
+ int NumExpectedParameters() const override { return 1; }
+
+} targetNameNode;
+
+static const struct TargetObjectsNode : public cmGeneratorExpressionNode
+{
+ TargetObjectsNode() {} // NOLINT(modernize-use-equals-default)
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ std::string tgtName = parameters.front();
+ cmGeneratorTarget* gt = context->LG->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();
+ }
+ cmStateEnums::TargetType type = gt->GetType();
+ if (type != cmStateEnums::EXECUTABLE &&
+ type != cmStateEnums::STATIC_LIBRARY &&
+ type != cmStateEnums::SHARED_LIBRARY &&
+ type != cmStateEnums::MODULE_LIBRARY &&
+ type != cmStateEnums::OBJECT_LIBRARY) {
+ std::ostringstream e;
+ e << "Objects of target \"" << tgtName
+ << "\" referenced but is not an allowed library types (EXECUTABLE, "
+ << "STATIC, SHARED, MODULE, OBJECT).";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return std::string();
+ }
+ if (!context->EvaluateForBuildsystem) {
+ cmGlobalGenerator* gg = context->LG->GetGlobalGenerator();
+ std::string reason;
+ if (!gg->HasKnownObjectFileLocation(&reason)) {
+ std::ostringstream e;
+ e << "The evaluation of the TARGET_OBJECTS generator expression "
+ "is only suitable for consumption by CMake (limited"
+ << reason
+ << "). "
+ "It is not suitable for writing out elsewhere.";
+ reportError(context, content->GetOriginalExpression(), e.str());
+ return std::string();
+ }
+ }
+
+ std::vector<std::string> objects;
+
+ if (gt->IsImported()) {
+ cmProp loc = nullptr;
+ cmProp imp = nullptr;
+ std::string suffix;
+ if (gt->Target->GetMappedConfig(context->Config, loc, imp, suffix)) {
+ cmExpandList(*loc, objects);
+ }
+ context->HadContextSensitiveCondition = true;
+ } else {
+ gt->GetTargetObjectNames(context->Config, objects);
+
+ std::string obj_dir;
+ if (context->EvaluateForBuildsystem) {
+ // Use object file directory with buildsystem placeholder.
+ obj_dir = gt->ObjectDirectory;
+ // Here we assume that the set of object files produced
+ // by an object library does not vary with configuration
+ // and do not set HadContextSensitiveCondition to true.
+ } else {
+ // Use object file directory with per-config location.
+ obj_dir = gt->GetObjectDirectory(context->Config);
+ context->HadContextSensitiveCondition = true;
+ }
+
+ for (std::string& o : objects) {
+ o = cmStrCat(obj_dir, o);
+ }
+ }
+
+ // Create the cmSourceFile instances in the referencing directory.
+ cmMakefile* mf = context->LG->GetMakefile();
+ for (std::string& o : objects) {
+ mf->AddTargetObject(tgtName, o);
+ }
+
+ return cmJoin(objects, ";");
+ }
+} targetObjectsNode;
+
+static const struct CompileFeaturesNode : public cmGeneratorExpressionNode
+{
+ CompileFeaturesNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return OneOrMoreParameters; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ cmGeneratorTarget 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;
+
+ using LangMap = std::map<std::string, std::vector<std::string>>;
+ static LangMap availableFeatures;
+
+ LangMap testedFeatures;
+
+ for (std::string const& p : parameters) {
+ std::string error;
+ std::string lang;
+ if (!context->LG->GetMakefile()->CompileFeatureKnown(
+ context->HeadTarget->Target, p, lang, &error)) {
+ reportError(context, content->GetOriginalExpression(), error);
+ return std::string();
+ }
+ testedFeatures[lang].push_back(p);
+
+ if (availableFeatures.find(lang) == availableFeatures.end()) {
+ const char* featuresKnown =
+ context->LG->GetMakefile()->CompileFeaturesAvailable(lang, &error);
+ if (!featuresKnown) {
+ reportError(context, content->GetOriginalExpression(), error);
+ return std::string();
+ }
+ cmExpandList(featuresKnown, availableFeatures[lang]);
+ }
+ }
+
+ bool evalLL = dagChecker && dagChecker->EvaluatingLinkLibraries();
+
+ for (auto const& lit : testedFeatures) {
+ std::vector<std::string> const& langAvailable =
+ availableFeatures[lit.first];
+ cmProp standardDefault = context->LG->GetMakefile()->GetDef(
+ "CMAKE_" + lit.first + "_STANDARD_DEFAULT");
+ for (std::string const& it : lit.second) {
+ if (!cm::contains(langAvailable, it)) {
+ return "0";
+ }
+ if (standardDefault && standardDefault->empty()) {
+ // This compiler has no notion of language standard levels.
+ // All features known for the language are always available.
+ continue;
+ }
+ if (!context->LG->GetMakefile()->HaveStandardAvailable(
+ target->Target, lit.first, it)) {
+ if (evalLL) {
+ cmProp 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[] = {
+ nullptr
+#define TARGET_POLICY_STRING(POLICY) , #POLICY
+
+ CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_STRING)
+
+#undef TARGET_POLICY_STRING
+};
+
+cmPolicies::PolicyStatus statusForTarget(cmGeneratorTarget 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(false && "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(false && "Unreachable code. Not a valid policy");
+ return cmPolicies::CMP0002;
+}
+
+static const struct TargetPolicyNode : public cmGeneratorExpressionNode
+{
+ TargetPolicyNode() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ 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 < cm::size(targetPolicyWhitelist); ++i) {
+ const char* policy = targetPolicyWhitelist[i];
+ if (parameters.front() == policy) {
+ cmLocalGenerator* lg = context->HeadTarget->GetLocalGenerator();
+ switch (statusForTarget(context->HeadTarget, policy)) {
+ case cmPolicies::WARN:
+ lg->IssueMessage(
+ MessageType::AUTHOR_WARNING,
+ cmPolicies::GetPolicyWarning(policyForString(policy)));
+ CM_FALLTHROUGH;
+ 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() {} // NOLINT(modernize-use-equals-default)
+
+ bool GeneratesContent() const override { return true; }
+ int NumExpectedParameters() const override { return 0; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& /*parameters*/,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ reportError(context, content->GetOriginalExpression(),
+ "INSTALL_PREFIX is a marker for install(EXPORT) only. It "
+ "should never be evaluated.");
+ return std::string();
+ }
+
+} installPrefixNode;
+
+class ArtifactDirTag;
+class ArtifactLinkerTag;
+class ArtifactNameTag;
+class ArtifactPathTag;
+class ArtifactPdbTag;
+class ArtifactSonameTag;
+class ArtifactBundleDirTag;
+class ArtifactBundleContentDirTag;
+
+template <typename ArtifactT>
+struct TargetFilesystemArtifactResultCreator
+{
+ static std::string Create(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content);
+};
+
+template <>
+struct TargetFilesystemArtifactResultCreator<ArtifactSonameTag>
+{
+ static std::string Create(cmGeneratorTarget* 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() != cmStateEnums::SHARED_LIBRARY) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_SONAME_FILE is allowed only for "
+ "SHARED libraries.");
+ return std::string();
+ }
+ std::string result = cmStrCat(target->GetDirectory(context->Config), '/',
+ target->GetSOName(context->Config));
+ return result;
+ }
+};
+
+template <>
+struct TargetFilesystemArtifactResultCreator<ArtifactPdbTag>
+{
+ static std::string Create(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content)
+ {
+ if (target->IsImported()) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_PDB_FILE not allowed for IMPORTED targets.");
+ return std::string();
+ }
+
+ std::string language = target->GetLinkerLanguage(context->Config);
+
+ std::string pdbSupportVar = "CMAKE_" + language + "_LINKER_SUPPORTS_PDB";
+
+ if (!context->LG->GetMakefile()->IsOn(pdbSupportVar)) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_PDB_FILE is not supported by the target linker.");
+ return std::string();
+ }
+
+ cmStateEnums::TargetType targetType = target->GetType();
+
+ if (targetType != cmStateEnums::SHARED_LIBRARY &&
+ targetType != cmStateEnums::MODULE_LIBRARY &&
+ targetType != cmStateEnums::EXECUTABLE) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_PDB_FILE is allowed only for "
+ "targets with linker created artifacts.");
+ return std::string();
+ }
+
+ std::string result = cmStrCat(target->GetPDBDirectory(context->Config),
+ '/', target->GetPDBName(context->Config));
+ return result;
+ }
+};
+
+template <>
+struct TargetFilesystemArtifactResultCreator<ArtifactLinkerTag>
+{
+ static std::string Create(cmGeneratorTarget* 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();
+ }
+ cmStateEnums::ArtifactType artifact =
+ target->HasImportLibrary(context->Config)
+ ? cmStateEnums::ImportLibraryArtifact
+ : cmStateEnums::RuntimeBinaryArtifact;
+ return target->GetFullPath(context->Config, artifact);
+ }
+};
+
+template <>
+struct TargetFilesystemArtifactResultCreator<ArtifactBundleDirTag>
+{
+ static std::string Create(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content)
+ {
+ if (target->IsImported()) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_BUNDLE_DIR not allowed for IMPORTED targets.");
+ return std::string();
+ }
+ if (!target->IsBundleOnApple()) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_BUNDLE_DIR is allowed only for Bundle targets.");
+ return std::string();
+ }
+
+ std::string outpath = target->GetDirectory(context->Config) + '/';
+ return target->BuildBundleDirectory(outpath, context->Config,
+ cmGeneratorTarget::BundleDirLevel);
+ }
+};
+
+template <>
+struct TargetFilesystemArtifactResultCreator<ArtifactBundleContentDirTag>
+{
+ static std::string Create(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content)
+ {
+ if (target->IsImported()) {
+ ::reportError(
+ context, content->GetOriginalExpression(),
+ "TARGET_BUNDLE_CONTENT_DIR not allowed for IMPORTED targets.");
+ return std::string();
+ }
+ if (!target->IsBundleOnApple()) {
+ ::reportError(
+ context, content->GetOriginalExpression(),
+ "TARGET_BUNDLE_CONTENT_DIR is allowed only for Bundle targets.");
+ return std::string();
+ }
+
+ std::string outpath = target->GetDirectory(context->Config) + '/';
+ return target->BuildBundleDirectory(outpath, context->Config,
+ cmGeneratorTarget::ContentLevel);
+ }
+};
+
+template <>
+struct TargetFilesystemArtifactResultCreator<ArtifactNameTag>
+{
+ static std::string Create(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* /*unused*/)
+ {
+ return target->GetFullPath(context->Config,
+ cmStateEnums::RuntimeBinaryArtifact, 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; }
+};
+
+struct TargetArtifactBase : public cmGeneratorExpressionNode
+{
+ TargetArtifactBase() {} // NOLINT(modernize-use-equals-default)
+
+protected:
+ cmGeneratorTarget* GetTarget(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const
+ {
+ // Lookup the referenced target.
+ std::string name = parameters.front();
+
+ if (!cmGeneratorExpression::IsValidTargetName(name)) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "Expression syntax not recognized.");
+ return nullptr;
+ }
+ cmGeneratorTarget* target = context->LG->FindGeneratorTargetToUse(name);
+ if (!target) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "No target \"" + name + "\"");
+ return nullptr;
+ }
+ if (target->GetType() >= cmStateEnums::OBJECT_LIBRARY &&
+ target->GetType() != cmStateEnums::UNKNOWN_LIBRARY) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "Target \"" + name +
+ "\" is not an executable or library.");
+ return nullptr;
+ }
+ if (dagChecker &&
+ (dagChecker->EvaluatingLinkLibraries(target) ||
+ (dagChecker->EvaluatingSources() &&
+ target == dagChecker->TopTarget()))) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "Expressions which require the linker language may not "
+ "be used while evaluating link libraries");
+ return nullptr;
+ }
+
+ return target;
+ }
+};
+
+template <typename ArtifactT, typename ComponentT>
+struct TargetFilesystemArtifact : public TargetArtifactBase
+{
+ TargetFilesystemArtifact() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ cmGeneratorTarget* target =
+ this->GetTarget(parameters, context, content, dagChecker);
+ if (!target) {
+ 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() // NOLINT(modernize-use-equals-default)
+ {
+ }
+
+ 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 TargetFilesystemArtifact<ArtifactBundleDirTag, ArtifactPathTag>
+ targetBundleDirNode;
+
+static const TargetFilesystemArtifact<ArtifactBundleContentDirTag,
+ ArtifactPathTag>
+ targetBundleContentDirNode;
+
+//
+// To retrieve base name for various artifacts
+//
+template <typename ArtifactT>
+struct TargetOutputNameArtifactResultGetter
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content);
+};
+
+template <>
+struct TargetOutputNameArtifactResultGetter<ArtifactNameTag>
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* /*unused*/)
+ {
+ return target->GetOutputName(context->Config,
+ cmStateEnums::RuntimeBinaryArtifact) +
+ target->GetFilePostfix(context->Config);
+ }
+};
+
+template <>
+struct TargetOutputNameArtifactResultGetter<ArtifactLinkerTag>
+{
+ static std::string Get(cmGeneratorTarget* 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_BASE_NAME is allowed only for "
+ "libraries and executables with ENABLE_EXPORTS.");
+ return std::string();
+ }
+ cmStateEnums::ArtifactType artifact =
+ target->HasImportLibrary(context->Config)
+ ? cmStateEnums::ImportLibraryArtifact
+ : cmStateEnums::RuntimeBinaryArtifact;
+ return target->GetOutputName(context->Config, artifact) +
+ target->GetFilePostfix(context->Config);
+ }
+};
+
+template <>
+struct TargetOutputNameArtifactResultGetter<ArtifactPdbTag>
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content)
+ {
+ if (target->IsImported()) {
+ ::reportError(
+ context, content->GetOriginalExpression(),
+ "TARGET_PDB_FILE_BASE_NAME not allowed for IMPORTED targets.");
+ return std::string();
+ }
+
+ std::string language = target->GetLinkerLanguage(context->Config);
+
+ std::string pdbSupportVar = "CMAKE_" + language + "_LINKER_SUPPORTS_PDB";
+
+ if (!context->LG->GetMakefile()->IsOn(pdbSupportVar)) {
+ ::reportError(
+ context, content->GetOriginalExpression(),
+ "TARGET_PDB_FILE_BASE_NAME is not supported by the target linker.");
+ return std::string();
+ }
+
+ cmStateEnums::TargetType targetType = target->GetType();
+
+ if (targetType != cmStateEnums::SHARED_LIBRARY &&
+ targetType != cmStateEnums::MODULE_LIBRARY &&
+ targetType != cmStateEnums::EXECUTABLE) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_PDB_FILE_BASE_NAME is allowed only for "
+ "targets with linker created artifacts.");
+ return std::string();
+ }
+
+ return target->GetPDBOutputName(context->Config) +
+ target->GetFilePostfix(context->Config);
+ }
+};
+
+template <typename ArtifactT>
+struct TargetFileBaseNameArtifact : public TargetArtifactBase
+{
+ TargetFileBaseNameArtifact() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ cmGeneratorTarget* target =
+ this->GetTarget(parameters, context, content, dagChecker);
+ if (!target) {
+ return std::string();
+ }
+
+ std::string result = TargetOutputNameArtifactResultGetter<ArtifactT>::Get(
+ target, context, content);
+ if (context->HadError) {
+ return std::string();
+ }
+ return result;
+ }
+};
+
+static const TargetFileBaseNameArtifact<ArtifactNameTag>
+ targetFileBaseNameNode;
+static const TargetFileBaseNameArtifact<ArtifactLinkerTag>
+ targetLinkerFileBaseNameNode;
+static const TargetFileBaseNameArtifact<ArtifactPdbTag>
+ targetPdbFileBaseNameNode;
+
+class ArtifactFilePrefixTag;
+class ArtifactLinkerFilePrefixTag;
+class ArtifactFileSuffixTag;
+class ArtifactLinkerFileSuffixTag;
+
+template <typename ArtifactT>
+struct TargetFileArtifactResultGetter
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content);
+};
+
+template <>
+struct TargetFileArtifactResultGetter<ArtifactFilePrefixTag>
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent*)
+ {
+ return target->GetFilePrefix(context->Config);
+ }
+};
+template <>
+struct TargetFileArtifactResultGetter<ArtifactLinkerFilePrefixTag>
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content)
+ {
+ if (!target->IsLinkable()) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_LINKER_PREFIX is allowed only for libraries and "
+ "executables with ENABLE_EXPORTS.");
+ return std::string();
+ }
+
+ cmStateEnums::ArtifactType artifact =
+ target->HasImportLibrary(context->Config)
+ ? cmStateEnums::ImportLibraryArtifact
+ : cmStateEnums::RuntimeBinaryArtifact;
+
+ return target->GetFilePrefix(context->Config, artifact);
+ }
+};
+template <>
+struct TargetFileArtifactResultGetter<ArtifactFileSuffixTag>
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent*)
+ {
+ return target->GetFileSuffix(context->Config);
+ }
+};
+template <>
+struct TargetFileArtifactResultGetter<ArtifactLinkerFileSuffixTag>
+{
+ static std::string Get(cmGeneratorTarget* target,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content)
+ {
+ if (!target->IsLinkable()) {
+ ::reportError(context, content->GetOriginalExpression(),
+ "TARGET_LINKER_SUFFIX is allowed only for libraries and "
+ "executables with ENABLE_EXPORTS.");
+ return std::string();
+ }
+
+ cmStateEnums::ArtifactType artifact =
+ target->HasImportLibrary(context->Config)
+ ? cmStateEnums::ImportLibraryArtifact
+ : cmStateEnums::RuntimeBinaryArtifact;
+
+ return target->GetFileSuffix(context->Config, artifact);
+ }
+};
+
+template <typename ArtifactT>
+struct TargetFileArtifact : public TargetArtifactBase
+{
+ TargetFileArtifact() {} // NOLINT(modernize-use-equals-default)
+
+ int NumExpectedParameters() const override { return 1; }
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* dagChecker) const override
+ {
+ cmGeneratorTarget* target =
+ this->GetTarget(parameters, context, content, dagChecker);
+ if (!target) {
+ return std::string();
+ }
+
+ std::string result =
+ TargetFileArtifactResultGetter<ArtifactT>::Get(target, context, content);
+ if (context->HadError) {
+ return std::string();
+ }
+ return result;
+ }
+};
+
+static const TargetFileArtifact<ArtifactFilePrefixTag> targetFilePrefixNode;
+static const TargetFileArtifact<ArtifactLinkerFilePrefixTag>
+ targetLinkerFilePrefixNode;
+static const TargetFileArtifact<ArtifactFileSuffixTag> targetFileSuffixNode;
+static const TargetFileArtifact<ArtifactLinkerFileSuffixTag>
+ targetLinkerFileSuffixNode;
+
+static const struct ShellPathNode : public cmGeneratorExpressionNode
+{
+ ShellPathNode() {} // NOLINT(modernize-use-equals-default)
+
+ std::string Evaluate(
+ const std::vector<std::string>& parameters,
+ cmGeneratorExpressionContext* context,
+ const GeneratorExpressionContent* content,
+ cmGeneratorExpressionDAGChecker* /*dagChecker*/) const override
+ {
+ std::vector<std::string> listIn = cmExpandedList(parameters.front());
+ if (listIn.empty()) {
+ reportError(context, content->GetOriginalExpression(),
+ "\"\" is not an absolute path.");
+ return std::string();
+ }
+ cmStateSnapshot snapshot = context->LG->GetStateSnapshot();
+ cmOutputConverter converter(snapshot);
+ const char* separator = snapshot.GetState()->UseWindowsShell() ? ";" : ":";
+ std::vector<std::string> listOut;
+ listOut.reserve(listIn.size());
+ for (auto const& in : listIn) {
+ if (!cmSystemTools::FileIsFullPath(in)) {
+ reportError(context, content->GetOriginalExpression(),
+ "\"" + in + "\" is not an absolute path.");
+ return std::string();
+ }
+ listOut.emplace_back(converter.ConvertDirectorySeparatorsForShell(in));
+ }
+ return cmJoin(listOut, separator);
+ }
+} shellPathNode;
+
+const cmGeneratorExpressionNode* cmGeneratorExpressionNode::GetNode(
+ const std::string& identifier)
+{
+ static std::map<std::string, cmGeneratorExpressionNode const*> const nodeMap{
+ { "0", &zeroNode },
+ { "1", &oneNode },
+ { "AND", &andNode },
+ { "OR", &orNode },
+ { "NOT", &notNode },
+ { "C_COMPILER_ID", &cCompilerIdNode },
+ { "CXX_COMPILER_ID", &cxxCompilerIdNode },
+ { "OBJC_COMPILER_ID", &objcCompilerIdNode },
+ { "OBJCXX_COMPILER_ID", &objcxxCompilerIdNode },
+ { "CUDA_COMPILER_ID", &cudaCompilerIdNode },
+ { "Fortran_COMPILER_ID", &fortranCompilerIdNode },
+ { "VERSION_GREATER", &versionGreaterNode },
+ { "VERSION_GREATER_EQUAL", &versionGreaterEqNode },
+ { "VERSION_LESS", &versionLessNode },
+ { "VERSION_LESS_EQUAL", &versionLessEqNode },
+ { "VERSION_EQUAL", &versionEqualNode },
+ { "C_COMPILER_VERSION", &cCompilerVersionNode },
+ { "CXX_COMPILER_VERSION", &cxxCompilerVersionNode },
+ { "CUDA_COMPILER_VERSION", &cudaCompilerVersionNode },
+ { "OBJC_COMPILER_VERSION", &objcCompilerVersionNode },
+ { "OBJCXX_COMPILER_VERSION", &objcxxCompilerVersionNode },
+ { "Fortran_COMPILER_VERSION", &fortranCompilerVersionNode },
+ { "PLATFORM_ID", &platformIdNode },
+ { "COMPILE_FEATURES", &compileFeaturesNode },
+ { "CONFIGURATION", &configurationNode },
+ { "CONFIG", &configurationTestNode },
+ { "TARGET_FILE", &targetNodeGroup.File },
+ { "TARGET_LINKER_FILE", &targetLinkerNodeGroup.File },
+ { "TARGET_SONAME_FILE", &targetSoNameNodeGroup.File },
+ { "TARGET_PDB_FILE", &targetPdbNodeGroup.File },
+ { "TARGET_FILE_BASE_NAME", &targetFileBaseNameNode },
+ { "TARGET_LINKER_FILE_BASE_NAME", &targetLinkerFileBaseNameNode },
+ { "TARGET_PDB_FILE_BASE_NAME", &targetPdbFileBaseNameNode },
+ { "TARGET_FILE_PREFIX", &targetFilePrefixNode },
+ { "TARGET_LINKER_FILE_PREFIX", &targetLinkerFilePrefixNode },
+ { "TARGET_FILE_SUFFIX", &targetFileSuffixNode },
+ { "TARGET_LINKER_FILE_SUFFIX", &targetLinkerFileSuffixNode },
+ { "TARGET_FILE_NAME", &targetNodeGroup.FileName },
+ { "TARGET_LINKER_FILE_NAME", &targetLinkerNodeGroup.FileName },
+ { "TARGET_SONAME_FILE_NAME", &targetSoNameNodeGroup.FileName },
+ { "TARGET_PDB_FILE_NAME", &targetPdbNodeGroup.FileName },
+ { "TARGET_FILE_DIR", &targetNodeGroup.FileDir },
+ { "TARGET_LINKER_FILE_DIR", &targetLinkerNodeGroup.FileDir },
+ { "TARGET_SONAME_FILE_DIR", &targetSoNameNodeGroup.FileDir },
+ { "TARGET_PDB_FILE_DIR", &targetPdbNodeGroup.FileDir },
+ { "TARGET_BUNDLE_DIR", &targetBundleDirNode },
+ { "TARGET_BUNDLE_CONTENT_DIR", &targetBundleContentDirNode },
+ { "STREQUAL", &strEqualNode },
+ { "EQUAL", &equalNode },
+ { "IN_LIST", &inListNode },
+ { "FILTER", &filterNode },
+ { "REMOVE_DUPLICATES", &removeDuplicatesNode },
+ { "LOWER_CASE", &lowerCaseNode },
+ { "UPPER_CASE", &upperCaseNode },
+ { "MAKE_C_IDENTIFIER", &makeCIdentifierNode },
+ { "BOOL", &boolNode },
+ { "IF", &ifNode },
+ { "ANGLE-R", &angle_rNode },
+ { "COMMA", &commaNode },
+ { "SEMICOLON", &semicolonNode },
+ { "TARGET_PROPERTY", &targetPropertyNode },
+ { "TARGET_NAME", &targetNameNode },
+ { "TARGET_OBJECTS", &targetObjectsNode },
+ { "TARGET_POLICY", &targetPolicyNode },
+ { "TARGET_EXISTS", &targetExistsNode },
+ { "TARGET_NAME_IF_EXISTS", &targetNameIfExistsNode },
+ { "TARGET_GENEX_EVAL", &targetGenexEvalNode },
+ { "GENEX_EVAL", &genexEvalNode },
+ { "BUILD_INTERFACE", &buildInterfaceNode },
+ { "INSTALL_INTERFACE", &installInterfaceNode },
+ { "INSTALL_PREFIX", &installPrefixNode },
+ { "JOIN", &joinNode },
+ { "LINK_ONLY", &linkOnlyNode },
+ { "COMPILE_LANG_AND_ID", &languageAndIdNode },
+ { "COMPILE_LANGUAGE", &languageNode },
+ { "LINK_LANG_AND_ID", &linkLanguageAndIdNode },
+ { "LINK_LANGUAGE", &linkLanguageNode },
+ { "HOST_LINK", &hostLinkNode },
+ { "DEVICE_LINK", &deviceLinkNode },
+ { "SHELL_PATH", &shellPathNode }
+ };
+
+ {
+ auto itr = nodeMap.find(identifier);
+ if (itr != nodeMap.end()) {
+ return itr->second;
+ }
+ }
+ return nullptr;
+}
+
+void reportError(cmGeneratorExpressionContext* context,
+ const std::string& expr, const std::string& result)
+{
+ context->HadError = true;
+ if (context->Quiet) {
+ return;
+ }
+
+ std::ostringstream e;
+ /* clang-format off */
+ e << "Error evaluating generator expression:\n"
+ << " " << expr << "\n"
+ << result;
+ /* clang-format on */
+ context->LG->GetCMakeInstance()->IssueMessage(MessageType::FATAL_ERROR,
+ e.str(), context->Backtrace);
+}