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CMake/Source/cmGeneratorExpressionNode.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2012 Stephen Kelly <steveire@gmail.com>
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmGeneratorExpressionNode.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 "cmOutputConverter.h"
#include "cmPolicies.h"
#include "cmSourceFile.h"
#include "cmState.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cm_auto_ptr.hxx"
#include "cmake.h"
#include <algorithm>
#include <assert.h>
#include <cmConfigure.h>
#include <cmsys/RegularExpression.hxx>
#include <cmsys/String.h>
#include <errno.h>
#include <map>
#include <set>
#include <sstream>
#include <stdlib.h>
#include <string.h>
#include <utility>
std::string cmGeneratorExpressionNode::EvaluateDependentExpression(
std::string const& prop, cmLocalGenerator* lg,
cmGeneratorExpressionContext* context, cmGeneratorTarget const* headTarget,
cmGeneratorTarget const* currentTarget,
cmGeneratorExpressionDAGChecker* dagChecker)
{
cmGeneratorExpression ge(context->Backtrace);
CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem);
std::string result =
cge->Evaluate(lg, context->Config, context->Quiet, headTarget,
currentTarget, dagChecker, context->Language);
if (cge->GetHadContextSensitiveCondition()) {
context->HadContextSensitiveCondition = true;
}
if (cge->GetHadHeadSensitiveCondition()) {
context->HadHeadSensitiveCondition = true;
}
return result;
}
static const struct ZeroNode : public cmGeneratorExpressionNode
{
ZeroNode() {}
bool GeneratesContent() const CM_OVERRIDE { return false; }
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& /*parameters*/,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return std::string();
}
} zeroNode;
static const struct OneNode : public cmGeneratorExpressionNode
{
OneNode() {}
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return parameters.front();
}
} oneNode;
static const struct OneNode buildInterfaceNode;
static const struct ZeroNode installInterfaceNode;
#define BOOLEAN_OP_NODE(OPNAME, OP, SUCCESS_VALUE, FAILURE_VALUE) \
static const struct OP##Node : public cmGeneratorExpressionNode \
{ \
OP##Node() {} \
virtual int NumExpectedParameters() const { return OneOrMoreParameters; } \
\
std::string Evaluate(const std::vector<std::string>& parameters, \
cmGeneratorExpressionContext* context, \
const GeneratorExpressionContent* content, \
cmGeneratorExpressionDAGChecker*) const \
{ \
std::vector<std::string>::const_iterator it = parameters.begin(); \
const std::vector<std::string>::const_iterator end = parameters.end(); \
for (; it != end; ++it) { \
if (*it == #FAILURE_VALUE) { \
return #FAILURE_VALUE; \
} \
if (*it != #SUCCESS_VALUE) { \
reportError(context, content->GetOriginalExpression(), \
"Parameters to $<" #OP \
"> must resolve to either '0' or '1'."); \
return std::string(); \
} \
} \
return #SUCCESS_VALUE; \
} \
} OPNAME;
BOOLEAN_OP_NODE(andNode, AND, 1, 0)
BOOLEAN_OP_NODE(orNode, OR, 0, 1)
#undef BOOLEAN_OP_NODE
static const struct NotNode : public cmGeneratorExpressionNode
{
NotNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
if (*parameters.begin() != "0" && *parameters.begin() != "1") {
reportError(
context, content->GetOriginalExpression(),
"$<NOT> parameter must resolve to exactly one '0' or '1' value.");
return std::string();
}
return *parameters.begin() == "0" ? "1" : "0";
}
} notNode;
static const struct BoolNode : public cmGeneratorExpressionNode
{
BoolNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 1; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return !cmSystemTools::IsOff(parameters.begin()->c_str()) ? "1" : "0";
}
} boolNode;
static const struct StrEqualNode : public cmGeneratorExpressionNode
{
StrEqualNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return *parameters.begin() == parameters[1] ? "1" : "0";
}
} strEqualNode;
static const struct EqualNode : public cmGeneratorExpressionNode
{
EqualNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
char* pEnd;
int base = 0;
bool flipSign = false;
const char* lhs = parameters[0].c_str();
if (cmHasLiteralPrefix(lhs, "0b") || cmHasLiteralPrefix(lhs, "0B")) {
base = 2;
lhs += 2;
}
if (cmHasLiteralPrefix(lhs, "-0b") || cmHasLiteralPrefix(lhs, "-0B")) {
base = 2;
lhs += 3;
flipSign = true;
}
if (cmHasLiteralPrefix(lhs, "+0b") || cmHasLiteralPrefix(lhs, "+0B")) {
base = 2;
lhs += 3;
}
long lnum = strtol(lhs, &pEnd, base);
if (pEnd == lhs || *pEnd != '\0' || errno == ERANGE) {
reportError(context, content->GetOriginalExpression(),
"$<EQUAL> parameter " + parameters[0] +
" is not a valid integer.");
return std::string();
}
if (flipSign) {
lnum = -lnum;
}
base = 0;
flipSign = false;
const char* rhs = parameters[1].c_str();
if (cmHasLiteralPrefix(rhs, "0b") || cmHasLiteralPrefix(rhs, "0B")) {
base = 2;
rhs += 2;
}
if (cmHasLiteralPrefix(rhs, "-0b") || cmHasLiteralPrefix(rhs, "-0B")) {
base = 2;
rhs += 3;
flipSign = true;
}
if (cmHasLiteralPrefix(rhs, "+0b") || cmHasLiteralPrefix(rhs, "+0B")) {
base = 2;
rhs += 3;
}
long rnum = strtol(rhs, &pEnd, base);
if (pEnd == rhs || *pEnd != '\0' || errno == ERANGE) {
reportError(context, content->GetOriginalExpression(),
"$<EQUAL> parameter " + parameters[1] +
" is not a valid integer.");
return std::string();
}
if (flipSign) {
rnum = -rnum;
}
return lnum == rnum ? "1" : "0";
}
} equalNode;
static const struct LowerCaseNode : public cmGeneratorExpressionNode
{
LowerCaseNode() {}
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::LowerCase(parameters.front());
}
} lowerCaseNode;
static const struct UpperCaseNode : public cmGeneratorExpressionNode
{
UpperCaseNode() {}
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::UpperCase(parameters.front());
}
} upperCaseNode;
static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode
{
MakeCIdentifierNode() {}
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::MakeCidentifier(parameters.front());
}
} makeCIdentifierNode;
static const struct Angle_RNode : public cmGeneratorExpressionNode
{
Angle_RNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 0; }
std::string Evaluate(const std::vector<std::string>& /*parameters*/,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return ">";
}
} angle_rNode;
static const struct CommaNode : public cmGeneratorExpressionNode
{
CommaNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 0; }
std::string Evaluate(const std::vector<std::string>& /*parameters*/,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return ",";
}
} commaNode;
static const struct SemicolonNode : public cmGeneratorExpressionNode
{
SemicolonNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 0; }
std::string Evaluate(const std::vector<std::string>& /*parameters*/,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return ";";
}
} semicolonNode;
struct CompilerIdNode : public cmGeneratorExpressionNode
{
CompilerIdNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return OneOrZeroParameters; }
std::string EvaluateWithLanguage(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*unused*/,
const std::string& lang) const
{
const char* compilerId = context->LG->GetMakefile()->GetSafeDefinition(
"CMAKE_" + lang + "_COMPILER_ID");
if (parameters.empty()) {
return compilerId ? compilerId : "";
}
static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$");
if (!compilerIdValidator.find(*parameters.begin())) {
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
if (!compilerId) {
return parameters.front().empty() ? "1" : "0";
}
if (strcmp(parameters.begin()->c_str(), compilerId) == 0) {
return "1";
}
if (cmsysString_strcasecmp(parameters.begin()->c_str(), compilerId) == 0) {
switch (context->LG->GetPolicyStatus(cmPolicies::CMP0044)) {
case cmPolicies::WARN: {
std::ostringstream e;
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0044);
context->LG->GetCMakeInstance()->IssueMessage(
cmake::AUTHOR_WARNING, e.str(), context->Backtrace);
}
case cmPolicies::OLD:
return "1";
case cmPolicies::NEW:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::REQUIRED_IF_USED:
break;
}
}
return "0";
}
};
static const struct CCompilerIdNode : public CompilerIdNode
{
CCompilerIdNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
if (!context->HeadTarget) {
reportError(
context, content->GetOriginalExpression(),
"$<C_COMPILER_ID> may only be used with binary targets. It may "
"not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content, dagChecker,
"C");
}
} cCompilerIdNode;
static const struct CXXCompilerIdNode : public CompilerIdNode
{
CXXCompilerIdNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
if (!context->HeadTarget) {
reportError(
context, content->GetOriginalExpression(),
"$<CXX_COMPILER_ID> may only be used with binary targets. It may "
"not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content, dagChecker,
"CXX");
}
} cxxCompilerIdNode;
struct CompilerVersionNode : public cmGeneratorExpressionNode
{
CompilerVersionNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return OneOrZeroParameters; }
std::string EvaluateWithLanguage(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*unused*/,
const std::string& lang) const
{
const char* compilerVersion =
context->LG->GetMakefile()->GetSafeDefinition("CMAKE_" + lang +
"_COMPILER_VERSION");
if (parameters.empty()) {
return compilerVersion ? compilerVersion : "";
}
static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$");
if (!compilerIdValidator.find(*parameters.begin())) {
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
if (!compilerVersion) {
return parameters.front().empty() ? "1" : "0";
}
return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
parameters.begin()->c_str(),
compilerVersion)
? "1"
: "0";
}
};
static const struct CCompilerVersionNode : public CompilerVersionNode
{
CCompilerVersionNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
if (!context->HeadTarget) {
reportError(
context, content->GetOriginalExpression(),
"$<C_COMPILER_VERSION> may only be used with binary targets. It "
"may not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content, dagChecker,
"C");
}
} cCompilerVersionNode;
static const struct CxxCompilerVersionNode : public CompilerVersionNode
{
CxxCompilerVersionNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
if (!context->HeadTarget) {
reportError(
context, content->GetOriginalExpression(),
"$<CXX_COMPILER_VERSION> may only be used with binary targets. It "
"may not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content, dagChecker,
"CXX");
}
} cxxCompilerVersionNode;
struct PlatformIdNode : public cmGeneratorExpressionNode
{
PlatformIdNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return OneOrZeroParameters; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
const char* platformId =
context->LG->GetMakefile()->GetSafeDefinition("CMAKE_SYSTEM_NAME");
if (parameters.empty()) {
return platformId ? platformId : "";
}
if (!platformId) {
return parameters.front().empty() ? "1" : "0";
}
if (strcmp(parameters.begin()->c_str(), platformId) == 0) {
return "1";
}
return "0";
}
} platformIdNode;
static const struct VersionGreaterNode : public cmGeneratorExpressionNode
{
VersionGreaterNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER,
parameters.front().c_str(),
parameters[1].c_str())
? "1"
: "0";
}
} versionGreaterNode;
static const struct VersionGreaterEqNode : public cmGeneratorExpressionNode
{
VersionGreaterEqNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER_EQUAL,
parameters.front().c_str(),
parameters[1].c_str())
? "1"
: "0";
}
} versionGreaterEqNode;
static const struct VersionLessNode : public cmGeneratorExpressionNode
{
VersionLessNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS,
parameters.front().c_str(),
parameters[1].c_str())
? "1"
: "0";
}
} versionLessNode;
static const struct VersionLessEqNode : public cmGeneratorExpressionNode
{
VersionLessEqNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS_EQUAL,
parameters.front().c_str(),
parameters[1].c_str())
? "1"
: "0";
}
} versionLessEqNode;
static const struct VersionEqualNode : public cmGeneratorExpressionNode
{
VersionEqualNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
parameters.front().c_str(),
parameters[1].c_str())
? "1"
: "0";
}
} versionEqualNode;
static const struct LinkOnlyNode : public cmGeneratorExpressionNode
{
LinkOnlyNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
if (!dagChecker) {
reportError(context, content->GetOriginalExpression(),
"$<LINK_ONLY:...> may only be used for linking");
return std::string();
}
if (!dagChecker->GetTransitivePropertiesOnly()) {
return parameters.front();
}
return std::string();
}
} linkOnlyNode;
static const struct ConfigurationNode : public cmGeneratorExpressionNode
{
ConfigurationNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 0; }
std::string Evaluate(const std::vector<std::string>& /*parameters*/,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
context->HadContextSensitiveCondition = true;
return context->Config;
}
} configurationNode;
static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
{
ConfigurationTestNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return OneOrZeroParameters; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
if (parameters.empty()) {
return configurationNode.Evaluate(parameters, context, content,
CM_NULLPTR);
}
static cmsys::RegularExpression configValidator("^[A-Za-z0-9_]*$");
if (!configValidator.find(*parameters.begin())) {
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
context->HadContextSensitiveCondition = true;
if (context->Config.empty()) {
return parameters.front().empty() ? "1" : "0";
}
if (cmsysString_strcasecmp(parameters.begin()->c_str(),
context->Config.c_str()) == 0) {
return "1";
}
if (context->CurrentTarget && context->CurrentTarget->IsImported()) {
const char* loc = CM_NULLPTR;
const char* imp = CM_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 = "MAP_IMPORTED_CONFIG_";
mapProp += cmSystemTools::UpperCase(context->Config);
if (const char* mapValue =
context->CurrentTarget->GetProperty(mapProp)) {
cmSystemTools::ExpandListArgument(cmSystemTools::UpperCase(mapValue),
mappedConfigs);
return std::find(mappedConfigs.begin(), mappedConfigs.end(),
cmSystemTools::UpperCase(parameters.front())) !=
mappedConfigs.end()
? "1"
: "0";
}
}
}
return "0";
}
} configurationTestNode;
static const struct JoinNode : public cmGeneratorExpressionNode
{
JoinNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 2; }
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
std::vector<std::string> list;
cmSystemTools::ExpandListArgument(parameters.front(), list);
return cmJoin(list, parameters[1]);
}
} joinNode;
static const struct CompileLanguageNode : public cmGeneratorExpressionNode
{
CompileLanguageNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return OneOrZeroParameters; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
if (context->Language.empty()) {
reportError(
context, content->GetOriginalExpression(),
"$<COMPILE_LANGUAGE:...> may only be used to specify include "
"directories compile definitions, compile options and to evaluate "
"components of the file(GENERATE) command.");
return std::string();
}
std::vector<std::string> enabledLanguages;
cmGlobalGenerator* gg = context->LG->GetGlobalGenerator();
gg->GetEnabledLanguages(enabledLanguages);
if (!parameters.empty() &&
std::find(enabledLanguages.begin(), enabledLanguages.end(),
parameters.front()) == enabledLanguages.end()) {
reportError(context, content->GetOriginalExpression(),
"$<COMPILE_LANGUAGE:...> Unknown language.");
return std::string();
}
std::string genName = gg->GetName();
if (genName.find("Visual Studio") != std::string::npos) {
reportError(context, content->GetOriginalExpression(),
"$<COMPILE_LANGUAGE:...> may not be used with Visual Studio "
"generators.");
return std::string();
}
if (genName.find("Xcode") != std::string::npos) {
if (dagChecker && (dagChecker->EvaluatingCompileDefinitions() ||
dagChecker->EvaluatingIncludeDirectories())) {
reportError(
context, content->GetOriginalExpression(),
"$<COMPILE_LANGUAGE:...> may only be used with COMPILE_OPTIONS "
"with the Xcode generator.");
return std::string();
}
} else {
if (genName.find("Makefiles") == std::string::npos &&
genName.find("Ninja") == std::string::npos &&
genName.find("Watcom WMake") == std::string::npos) {
reportError(
context, content->GetOriginalExpression(),
"$<COMPILE_LANGUAGE:...> not supported for this generator.");
return std::string();
}
}
if (parameters.empty()) {
return context->Language;
}
return context->Language == parameters.front() ? "1" : "0";
}
} languageNode;
#define TRANSITIVE_PROPERTY_NAME(PROPERTY) , "INTERFACE_" #PROPERTY
static const char* targetPropertyTransitiveWhitelist[] = {
CM_NULLPTR CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_NAME)
};
#undef TRANSITIVE_PROPERTY_NAME
template <typename T>
std::string getLinkedTargetsContent(
std::vector<T> const& libraries, cmGeneratorTarget const* target,
cmGeneratorTarget const* headTarget, cmGeneratorExpressionContext* context,
cmGeneratorExpressionDAGChecker* dagChecker,
const std::string& interfacePropertyName)
{
std::string linkedTargetsContent;
std::string sep;
std::string depString;
for (typename std::vector<T>::const_iterator it = libraries.begin();
it != libraries.end(); ++it) {
// Broken code can have a target in its own link interface.
// Don't follow such link interface entries so as not to create a
// self-referencing loop.
if (it->Target && it->Target != target) {
depString += sep + "$<TARGET_PROPERTY:" + it->Target->GetName() + "," +
interfacePropertyName + ">";
sep = ";";
}
}
if (!depString.empty()) {
linkedTargetsContent =
cmGeneratorExpressionNode::EvaluateDependentExpression(
depString, target->GetLocalGenerator(), context, headTarget, target,
dagChecker);
}
linkedTargetsContent =
cmGeneratorExpression::StripEmptyListElements(linkedTargetsContent);
return linkedTargetsContent;
}
static const struct TargetPropertyNode : public cmGeneratorExpressionNode
{
TargetPropertyNode() {}
// This node handles errors on parameter count itself.
int NumExpectedParameters() const CM_OVERRIDE { return OneOrMoreParameters; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagCheckerParent) const
CM_OVERRIDE
{
if (parameters.size() != 1 && parameters.size() != 2) {
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:...> expression requires one or two parameters");
return std::string();
}
static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$");
cmGeneratorTarget const* target = context->HeadTarget;
std::string propertyName = *parameters.begin();
if (parameters.size() == 1) {
context->HadHeadSensitiveCondition = true;
}
if (!target && parameters.size() == 1) {
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:prop> may only be used with binary targets. "
"It may not be used with add_custom_command or add_custom_target. "
"Specify the target to read a property from using the "
"$<TARGET_PROPERTY:tgt,prop> signature instead.");
return std::string();
}
if (parameters.size() == 2) {
if (parameters.begin()->empty() && parameters[1].empty()) {
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
"target name and property name.");
return std::string();
}
if (parameters.begin()->empty()) {
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
"target name.");
return std::string();
}
std::string targetName = parameters.front();
propertyName = parameters[1];
if (!cmGeneratorExpression::IsValidTargetName(targetName)) {
if (!propertyNameValidator.find(propertyName.c_str())) {
::reportError(context, content->GetOriginalExpression(),
"Target name and property name not supported.");
return std::string();
}
::reportError(context, content->GetOriginalExpression(),
"Target name not supported.");
return std::string();
}
if (propertyName == "ALIASED_TARGET") {
if (context->LG->GetMakefile()->IsAlias(targetName)) {
if (cmGeneratorTarget* tgt =
context->LG->FindGeneratorTargetToUse(targetName)) {
return tgt->GetName();
}
}
return "";
}
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);
}
if (target == context->HeadTarget) {
// Keep track of the properties seen while processing.
// The evaluation of the LINK_LIBRARIES generator expressions
// will check this to ensure that properties have one consistent
// value for all evaluations.
context->SeenTargetProperties.insert(propertyName);
}
if (propertyName == "SOURCES") {
context->SourceSensitiveTargets.insert(target);
}
if (propertyName.empty()) {
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:...> expression requires a non-empty property "
"name.");
return std::string();
}
if (!propertyNameValidator.find(propertyName)) {
::reportError(context, content->GetOriginalExpression(),
"Property name not supported.");
return std::string();
}
assert(target);
if (propertyName == "LINKER_LANGUAGE") {
if (target->LinkLanguagePropagatesToDependents() && dagCheckerParent &&
(dagCheckerParent->EvaluatingLinkLibraries() ||
dagCheckerParent->EvaluatingSources())) {
reportError(
context, content->GetOriginalExpression(),
"LINKER_LANGUAGE target property can not be used while evaluating "
"link libraries for a static library");
return std::string();
}
return target->GetLinkerLanguage(context->Config);
}
cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace,
target->GetName(), propertyName,
content, dagCheckerParent);
switch (dagChecker.Check()) {
case cmGeneratorExpressionDAGChecker::SELF_REFERENCE:
dagChecker.ReportError(context, content->GetOriginalExpression());
return std::string();
case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE:
// No error. We just skip cyclic references.
return std::string();
case cmGeneratorExpressionDAGChecker::ALREADY_SEEN:
for (size_t i = 1; i < cmArraySize(targetPropertyTransitiveWhitelist);
++i) {
if (targetPropertyTransitiveWhitelist[i] == propertyName) {
// No error. We're not going to find anything new here.
return std::string();
}
}
case cmGeneratorExpressionDAGChecker::DAG:
break;
}
const char* prop = target->GetProperty(propertyName);
if (dagCheckerParent) {
if (dagCheckerParent->EvaluatingLinkLibraries()) {
#define TRANSITIVE_PROPERTY_COMPARE(PROPERTY) \
(#PROPERTY == propertyName || "INTERFACE_" #PROPERTY == propertyName) ||
if (CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(
TRANSITIVE_PROPERTY_COMPARE) false) {
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:...> expression in link libraries "
"evaluation depends on target property which is transitive "
"over the link libraries, creating a recursion.");
return std::string();
}
#undef TRANSITIVE_PROPERTY_COMPARE
if (!prop) {
return std::string();
}
} else {
#define ASSERT_TRANSITIVE_PROPERTY_METHOD(METHOD) dagCheckerParent->METHOD() ||
assert(CM_FOR_EACH_TRANSITIVE_PROPERTY_METHOD(
ASSERT_TRANSITIVE_PROPERTY_METHOD) false);
#undef ASSERT_TRANSITIVE_PROPERTY_METHOD
}
}
std::string linkedTargetsContent;
std::string interfacePropertyName;
bool isInterfaceProperty = false;
#define POPULATE_INTERFACE_PROPERTY_NAME(prop) \
if (propertyName == #prop) { \
interfacePropertyName = "INTERFACE_" #prop; \
} else if (propertyName == "INTERFACE_" #prop) { \
interfacePropertyName = "INTERFACE_" #prop; \
isInterfaceProperty = true; \
} else
CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(POPULATE_INTERFACE_PROPERTY_NAME)
// Note that the above macro terminates with an else
/* else */ if (cmHasLiteralPrefix(propertyName.c_str(),
"COMPILE_DEFINITIONS_")) {
cmPolicies::PolicyStatus polSt =
context->LG->GetPolicyStatus(cmPolicies::CMP0043);
if (polSt == cmPolicies::WARN || polSt == cmPolicies::OLD) {
interfacePropertyName = "INTERFACE_COMPILE_DEFINITIONS";
}
}
#undef POPULATE_INTERFACE_PROPERTY_NAME
cmGeneratorTarget const* headTarget =
context->HeadTarget && isInterfaceProperty ? context->HeadTarget
: target;
if (isInterfaceProperty) {
if (cmLinkInterfaceLibraries const* iface =
target->GetLinkInterfaceLibraries(context->Config, headTarget,
true)) {
linkedTargetsContent =
getLinkedTargetsContent(iface->Libraries, target, headTarget,
context, &dagChecker, interfacePropertyName);
}
} else if (!interfacePropertyName.empty()) {
if (cmLinkImplementationLibraries const* impl =
target->GetLinkImplementationLibraries(context->Config)) {
linkedTargetsContent =
getLinkedTargetsContent(impl->Libraries, target, target, context,
&dagChecker, interfacePropertyName);
}
}
if (!prop) {
if (target->IsImported() ||
target->GetType() == cmState::INTERFACE_LIBRARY) {
return linkedTargetsContent;
}
if (target->IsLinkInterfaceDependentBoolProperty(propertyName,
context->Config)) {
context->HadContextSensitiveCondition = true;
return target->GetLinkInterfaceDependentBoolProperty(propertyName,
context->Config)
? "1"
: "0";
}
if (target->IsLinkInterfaceDependentStringProperty(propertyName,
context->Config)) {
context->HadContextSensitiveCondition = true;
const char* propContent =
target->GetLinkInterfaceDependentStringProperty(propertyName,
context->Config);
return propContent ? propContent : "";
}
if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName,
context->Config)) {
context->HadContextSensitiveCondition = true;
const char* propContent =
target->GetLinkInterfaceDependentNumberMinProperty(propertyName,
context->Config);
return propContent ? propContent : "";
}
if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName,
context->Config)) {
context->HadContextSensitiveCondition = true;
const char* propContent =
target->GetLinkInterfaceDependentNumberMaxProperty(propertyName,
context->Config);
return propContent ? propContent : "";
}
return linkedTargetsContent;
}
if (!target->IsImported() && dagCheckerParent &&
!dagCheckerParent->EvaluatingLinkLibraries()) {
if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName,
context->Config)) {
context->HadContextSensitiveCondition = true;
const char* propContent =
target->GetLinkInterfaceDependentNumberMinProperty(propertyName,
context->Config);
return propContent ? propContent : "";
}
if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName,
context->Config)) {
context->HadContextSensitiveCondition = true;
const char* propContent =
target->GetLinkInterfaceDependentNumberMaxProperty(propertyName,
context->Config);
return propContent ? propContent : "";
}
}
if (!interfacePropertyName.empty()) {
std::string result = this->EvaluateDependentExpression(
prop, context->LG, context, headTarget, target, &dagChecker);
if (!linkedTargetsContent.empty()) {
result += (result.empty() ? "" : ";") + linkedTargetsContent;
}
return result;
}
return prop;
}
} targetPropertyNode;
static const struct TargetNameNode : public cmGeneratorExpressionNode
{
TargetNameNode() {}
bool GeneratesContent() const CM_OVERRIDE { return true; }
bool AcceptsArbitraryContentParameter() const CM_OVERRIDE { return true; }
bool RequiresLiteralInput() const CM_OVERRIDE { return true; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* /*context*/,
const GeneratorExpressionContent* /*content*/,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
return parameters.front();
}
int NumExpectedParameters() const CM_OVERRIDE { return 1; }
} targetNameNode;
static const struct TargetObjectsNode : public cmGeneratorExpressionNode
{
TargetObjectsNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
if (!context->EvaluateForBuildsystem) {
std::ostringstream e;
e << "The evaluation of the TARGET_OBJECTS generator expression "
"is only suitable for consumption by CMake. It is not suitable "
"for writing out elsewhere.";
reportError(context, content->GetOriginalExpression(), e.str());
return std::string();
}
std::string tgtName = parameters.front();
cmGeneratorTarget* gt = context->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();
}
if (gt->GetType() != cmState::OBJECT_LIBRARY) {
std::ostringstream e;
e << "Objects of target \"" << tgtName
<< "\" referenced but is not an OBJECT library.";
reportError(context, content->GetOriginalExpression(), e.str());
return std::string();
}
std::vector<cmSourceFile const*> objectSources;
gt->GetObjectSources(objectSources, context->Config);
std::map<cmSourceFile const*, std::string> mapping;
for (std::vector<cmSourceFile const*>::const_iterator it =
objectSources.begin();
it != objectSources.end(); ++it) {
mapping[*it];
}
gt->LocalGenerator->ComputeObjectFilenames(mapping, gt);
std::string obj_dir = gt->ObjectDirectory;
std::string result;
const char* sep = "";
for (std::vector<cmSourceFile const*>::const_iterator it =
objectSources.begin();
it != objectSources.end(); ++it) {
// Find the object file name corresponding to this source file.
std::map<cmSourceFile const*, std::string>::const_iterator map_it =
mapping.find(*it);
// It must exist because we populated the mapping just above.
assert(!map_it->second.empty());
result += sep;
std::string objFile = obj_dir + map_it->second;
cmSourceFile* sf =
context->LG->GetMakefile()->GetOrCreateSource(objFile, true);
sf->SetObjectLibrary(tgtName);
sf->SetProperty("EXTERNAL_OBJECT", "1");
result += objFile;
sep = ";";
}
return result;
}
} targetObjectsNode;
static const struct CompileFeaturesNode : public cmGeneratorExpressionNode
{
CompileFeaturesNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return OneOrMoreParameters; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_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;
typedef std::map<std::string, std::vector<std::string> > LangMap;
static LangMap availableFeatures;
LangMap testedFeatures;
for (std::vector<std::string>::const_iterator it = parameters.begin();
it != parameters.end(); ++it) {
std::string error;
std::string lang;
if (!context->LG->GetMakefile()->CompileFeatureKnown(
context->HeadTarget->Target, *it, lang, &error)) {
reportError(context, content->GetOriginalExpression(), error);
return std::string();
}
testedFeatures[lang].push_back(*it);
if (availableFeatures.find(lang) == availableFeatures.end()) {
const char* featuresKnown =
context->LG->GetMakefile()->CompileFeaturesAvailable(lang, &error);
if (!featuresKnown) {
reportError(context, content->GetOriginalExpression(), error);
return std::string();
}
cmSystemTools::ExpandListArgument(featuresKnown,
availableFeatures[lang]);
}
}
bool evalLL = dagChecker && dagChecker->EvaluatingLinkLibraries();
for (LangMap::const_iterator lit = testedFeatures.begin();
lit != testedFeatures.end(); ++lit) {
std::vector<std::string> const& langAvailable =
availableFeatures[lit->first];
const char* standardDefault = context->LG->GetMakefile()->GetDefinition(
"CMAKE_" + lit->first + "_STANDARD_DEFAULT");
for (std::vector<std::string>::const_iterator it = lit->second.begin();
it != lit->second.end(); ++it) {
if (std::find(langAvailable.begin(), langAvailable.end(), *it) ==
langAvailable.end()) {
return "0";
}
if (standardDefault && !*standardDefault) {
// This compiler has no notion of language standard levels.
// All features known for the language are always available.
continue;
}
if (!context->LG->GetMakefile()->HaveStandardAvailable(
target->Target, lit->first, *it)) {
if (evalLL) {
const char* l = target->GetProperty(lit->first + "_STANDARD");
if (!l) {
l = standardDefault;
}
assert(l);
context->MaxLanguageStandard[target][lit->first] = l;
} else {
return "0";
}
}
}
}
return "1";
}
} compileFeaturesNode;
static const char* targetPolicyWhitelist[] = {
CM_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(0 && "Unreachable code. Not a valid policy");
return cmPolicies::WARN;
}
cmPolicies::PolicyID policyForString(const char* policy_id)
{
#define RETURN_POLICY_ID(POLICY_ID) \
if (strcmp(policy_id, #POLICY_ID) == 0) { \
return cmPolicies::POLICY_ID; \
}
CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY_ID)
#undef RETURN_POLICY_ID
assert(0 && "Unreachable code. Not a valid policy");
return cmPolicies::CMP0002;
}
static const struct TargetPolicyNode : public cmGeneratorExpressionNode
{
TargetPolicyNode() {}
int NumExpectedParameters() const CM_OVERRIDE { return 1; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_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 < cmArraySize(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(
cmake::AUTHOR_WARNING,
cmPolicies::GetPolicyWarning(policyForString(policy)));
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::OLD:
return "0";
case cmPolicies::NEW:
return "1";
}
}
}
reportError(
context, content->GetOriginalExpression(),
"$<TARGET_POLICY:prop> may only be used with a limited number of "
"policies. Currently it may be used with the following policies:\n"
#define STRINGIFY_HELPER(X) #X
#define STRINGIFY(X) STRINGIFY_HELPER(X)
#define TARGET_POLICY_LIST_ITEM(POLICY) " * " STRINGIFY(POLICY) "\n"
CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_LIST_ITEM)
#undef TARGET_POLICY_LIST_ITEM
);
return std::string();
}
} targetPolicyNode;
static const struct InstallPrefixNode : public cmGeneratorExpressionNode
{
InstallPrefixNode() {}
bool GeneratesContent() const CM_OVERRIDE { return true; }
int NumExpectedParameters() const CM_OVERRIDE { return 0; }
std::string Evaluate(const std::vector<std::string>& /*parameters*/,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_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;
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() != cmState::SHARED_LIBRARY) {
::reportError(context, content->GetOriginalExpression(),
"TARGET_SONAME_FILE is allowed only for "
"SHARED libraries.");
return std::string();
}
std::string result = target->GetDirectory(context->Config);
result += "/";
result += target->GetSOName(context->Config);
return result;
}
};
template <>
struct TargetFilesystemArtifactResultCreator<ArtifactPdbTag>
{
static std::string Create(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();
}
cmState::TargetType targetType = target->GetType();
if (targetType != cmState::SHARED_LIBRARY &&
targetType != cmState::MODULE_LIBRARY &&
targetType != cmState::EXECUTABLE) {
::reportError(context, content->GetOriginalExpression(),
"TARGET_PDB_FILE is allowed only for "
"targets with linker created artifacts.");
return std::string();
}
std::string result = target->GetPDBDirectory(context->Config);
result += "/";
result += target->GetPDBName(context->Config);
return result;
}
};
template <>
struct TargetFilesystemArtifactResultCreator<ArtifactLinkerTag>
{
static std::string Create(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();
}
return target->GetFullPath(context->Config, target->HasImportLibrary());
}
};
template <>
struct TargetFilesystemArtifactResultCreator<ArtifactNameTag>
{
static std::string Create(cmGeneratorTarget* target,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* /*unused*/)
{
return target->GetFullPath(context->Config, false, true);
}
};
template <typename ArtifactT>
struct TargetFilesystemArtifactResultGetter
{
static std::string Get(const std::string& result);
};
template <>
struct TargetFilesystemArtifactResultGetter<ArtifactNameTag>
{
static std::string Get(const std::string& result)
{
return cmSystemTools::GetFilenameName(result);
}
};
template <>
struct TargetFilesystemArtifactResultGetter<ArtifactDirTag>
{
static std::string Get(const std::string& result)
{
return cmSystemTools::GetFilenamePath(result);
}
};
template <>
struct TargetFilesystemArtifactResultGetter<ArtifactPathTag>
{
static std::string Get(const std::string& result) { return result; }
};
template <typename ArtifactT, typename ComponentT>
struct TargetFilesystemArtifact : public cmGeneratorExpressionNode
{
TargetFilesystemArtifact() {}
int NumExpectedParameters() const CM_OVERRIDE { return 1; }
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* dagChecker) const
CM_OVERRIDE
{
// Lookup the referenced target.
std::string name = *parameters.begin();
if (!cmGeneratorExpression::IsValidTargetName(name)) {
::reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
cmGeneratorTarget* target = context->LG->FindGeneratorTargetToUse(name);
if (!target) {
::reportError(context, content->GetOriginalExpression(),
"No target \"" + name + "\"");
return std::string();
}
if (target->GetType() >= cmState::OBJECT_LIBRARY &&
target->GetType() != cmState::UNKNOWN_LIBRARY) {
::reportError(context, content->GetOriginalExpression(), "Target \"" +
name + "\" is not an executable or library.");
return std::string();
}
if (dagChecker && (dagChecker->EvaluatingLinkLibraries(name.c_str()) ||
(dagChecker->EvaluatingSources() &&
name == dagChecker->TopTarget()))) {
::reportError(context, content->GetOriginalExpression(),
"Expressions which require the linker language may not "
"be used while evaluating link libraries");
return std::string();
}
context->DependTargets.insert(target);
context->AllTargets.insert(target);
std::string result =
TargetFilesystemArtifactResultCreator<ArtifactT>::Create(target, context,
content);
if (context->HadError) {
return std::string();
}
return TargetFilesystemArtifactResultGetter<ComponentT>::Get(result);
}
};
template <typename ArtifactT>
struct TargetFilesystemArtifactNodeGroup
{
TargetFilesystemArtifactNodeGroup() {}
TargetFilesystemArtifact<ArtifactT, ArtifactPathTag> File;
TargetFilesystemArtifact<ArtifactT, ArtifactNameTag> FileName;
TargetFilesystemArtifact<ArtifactT, ArtifactDirTag> FileDir;
};
static const TargetFilesystemArtifactNodeGroup<ArtifactNameTag>
targetNodeGroup;
static const TargetFilesystemArtifactNodeGroup<ArtifactLinkerTag>
targetLinkerNodeGroup;
static const TargetFilesystemArtifactNodeGroup<ArtifactSonameTag>
targetSoNameNodeGroup;
static const TargetFilesystemArtifactNodeGroup<ArtifactPdbTag>
targetPdbNodeGroup;
static const struct ShellPathNode : public cmGeneratorExpressionNode
{
ShellPathNode() {}
std::string Evaluate(const std::vector<std::string>& parameters,
cmGeneratorExpressionContext* context,
const GeneratorExpressionContent* content,
cmGeneratorExpressionDAGChecker* /*dagChecker*/) const
CM_OVERRIDE
{
if (!cmSystemTools::FileIsFullPath(parameters.front())) {
reportError(context, content->GetOriginalExpression(),
"\"" + parameters.front() + "\" is not an absolute path.");
return std::string();
}
cmOutputConverter converter(context->LG->GetStateSnapshot());
return converter.ConvertDirectorySeparatorsForShell(parameters.front());
}
} shellPathNode;
const cmGeneratorExpressionNode* cmGeneratorExpressionNode::GetNode(
const std::string& identifier)
{
typedef std::map<std::string, const cmGeneratorExpressionNode*> NodeMap;
static NodeMap nodeMap;
if (nodeMap.empty()) {
nodeMap["0"] = &zeroNode;
nodeMap["1"] = &oneNode;
nodeMap["AND"] = &andNode;
nodeMap["OR"] = &orNode;
nodeMap["NOT"] = &notNode;
nodeMap["C_COMPILER_ID"] = &cCompilerIdNode;
nodeMap["CXX_COMPILER_ID"] = &cxxCompilerIdNode;
nodeMap["VERSION_GREATER"] = &versionGreaterNode;
nodeMap["VERSION_GREATER_EQUAL"] = &versionGreaterEqNode;
nodeMap["VERSION_LESS"] = &versionLessNode;
nodeMap["VERSION_LESS_EQUAL"] = &versionLessEqNode;
nodeMap["VERSION_EQUAL"] = &versionEqualNode;
nodeMap["C_COMPILER_VERSION"] = &cCompilerVersionNode;
nodeMap["CXX_COMPILER_VERSION"] = &cxxCompilerVersionNode;
nodeMap["PLATFORM_ID"] = &platformIdNode;
nodeMap["COMPILE_FEATURES"] = &compileFeaturesNode;
nodeMap["CONFIGURATION"] = &configurationNode;
nodeMap["CONFIG"] = &configurationTestNode;
nodeMap["TARGET_FILE"] = &targetNodeGroup.File;
nodeMap["TARGET_LINKER_FILE"] = &targetLinkerNodeGroup.File;
nodeMap["TARGET_SONAME_FILE"] = &targetSoNameNodeGroup.File;
nodeMap["TARGET_PDB_FILE"] = &targetPdbNodeGroup.File;
nodeMap["TARGET_FILE_NAME"] = &targetNodeGroup.FileName;
nodeMap["TARGET_LINKER_FILE_NAME"] = &targetLinkerNodeGroup.FileName;
nodeMap["TARGET_SONAME_FILE_NAME"] = &targetSoNameNodeGroup.FileName;
nodeMap["TARGET_PDB_FILE_NAME"] = &targetPdbNodeGroup.FileName;
nodeMap["TARGET_FILE_DIR"] = &targetNodeGroup.FileDir;
nodeMap["TARGET_LINKER_FILE_DIR"] = &targetLinkerNodeGroup.FileDir;
nodeMap["TARGET_SONAME_FILE_DIR"] = &targetSoNameNodeGroup.FileDir;
nodeMap["TARGET_PDB_FILE_DIR"] = &targetPdbNodeGroup.FileDir;
nodeMap["STREQUAL"] = &strEqualNode;
nodeMap["EQUAL"] = &equalNode;
nodeMap["LOWER_CASE"] = &lowerCaseNode;
nodeMap["UPPER_CASE"] = &upperCaseNode;
nodeMap["MAKE_C_IDENTIFIER"] = &makeCIdentifierNode;
nodeMap["BOOL"] = &boolNode;
nodeMap["ANGLE-R"] = &angle_rNode;
nodeMap["COMMA"] = &commaNode;
nodeMap["SEMICOLON"] = &semicolonNode;
nodeMap["TARGET_PROPERTY"] = &targetPropertyNode;
nodeMap["TARGET_NAME"] = &targetNameNode;
nodeMap["TARGET_OBJECTS"] = &targetObjectsNode;
nodeMap["TARGET_POLICY"] = &targetPolicyNode;
nodeMap["BUILD_INTERFACE"] = &buildInterfaceNode;
nodeMap["INSTALL_INTERFACE"] = &installInterfaceNode;
nodeMap["INSTALL_PREFIX"] = &installPrefixNode;
nodeMap["JOIN"] = &joinNode;
nodeMap["LINK_ONLY"] = &linkOnlyNode;
nodeMap["COMPILE_LANGUAGE"] = &languageNode;
nodeMap["SHELL_PATH"] = &shellPathNode;
}
NodeMap::const_iterator i = nodeMap.find(identifier);
if (i == nodeMap.end()) {
return CM_NULLPTR;
}
return i->second;
}
void reportError(cmGeneratorExpressionContext* context,
const std::string& expr, const std::string& result)
{
context->HadError = true;
if (context->Quiet) {
return;
}
std::ostringstream e;
/* clang-format off */
e << "Error evaluating generator expression:\n"
<< " " << expr << "\n"
<< result;
/* clang-format on */
context->LG->GetCMakeInstance()->IssueMessage(cmake::FATAL_ERROR, e.str(),
context->Backtrace);
}
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