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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 "cmMakefile.h"
#include "cmGeneratorExpressionEvaluator.h"
#include "cmGeneratorExpressionParser.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmGeneratorExpression.h"
#include "cmLocalGenerator.h"
#include "cmSourceFile.h"
#include <cmsys/String.h>
#include <assert.h>
#include <errno.h>
//----------------------------------------------------------------------------
#if !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x510
static
#endif
void reportError(cmGeneratorExpressionContext *context,
const std::string &expr, const std::string &result)
{
context->HadError = true;
if (context->Quiet)
{
return;
}
cmOStringStream e;
e << "Error evaluating generator expression:\n"
<< " " << expr << "\n"
<< result;
context->Makefile->GetCMakeInstance()
->IssueMessage(cmake::FATAL_ERROR, e.str(),
context->Backtrace);
}
//----------------------------------------------------------------------------
struct cmGeneratorExpressionNode
{
enum {
DynamicParameters = 0,
OneOrMoreParameters = -1,
OneOrZeroParameters = -2
};
virtual ~cmGeneratorExpressionNode() {}
virtual bool GeneratesContent() const { return true; }
virtual bool RequiresLiteralInput() const { return false; }
virtual bool AcceptsArbitraryContentParameter() const
{ return false; }
virtual int NumExpectedParameters() const { return 1; }
virtual std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker
) const = 0;
static std::string EvaluateDependentExpression(
std::string const& prop, cmMakefile *makefile,
cmGeneratorExpressionContext *context,
cmTarget const* headTarget, cmTarget const* currentTarget,
cmGeneratorExpressionDAGChecker *dagChecker);
};
//----------------------------------------------------------------------------
std::string cmGeneratorExpressionNode::EvaluateDependentExpression(
std::string const& prop, cmMakefile *makefile,
cmGeneratorExpressionContext *context,
cmTarget const* headTarget, cmTarget const* currentTarget,
cmGeneratorExpressionDAGChecker *dagChecker)
{
cmGeneratorExpression ge(&context->Backtrace);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem);
std::string result = cge->Evaluate(makefile,
context->Config,
context->Quiet,
headTarget,
currentTarget,
dagChecker);
if (cge->GetHadContextSensitiveCondition())
{
context->HadContextSensitiveCondition = true;
}
if (cge->GetHadHeadSensitiveCondition())
{
context->HadHeadSensitiveCondition = true;
}
return result;
}
//----------------------------------------------------------------------------
static const struct ZeroNode : public cmGeneratorExpressionNode
{
ZeroNode() {}
virtual bool GeneratesContent() const { return false; }
virtual bool AcceptsArbitraryContentParameter() const { return true; }
std::string Evaluate(const std::vector<std::string> &,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return std::string();
}
} zeroNode;
//----------------------------------------------------------------------------
static const struct OneNode : public cmGeneratorExpressionNode
{
OneNode() {}
virtual bool AcceptsArbitraryContentParameter() const { return true; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return parameters.front();
}
} oneNode;
//----------------------------------------------------------------------------
static const struct OneNode buildInterfaceNode;
//----------------------------------------------------------------------------
static const struct ZeroNode installInterfaceNode;
//----------------------------------------------------------------------------
#define BOOLEAN_OP_NODE(OPNAME, OP, SUCCESS_VALUE, FAILURE_VALUE) \
static const struct OP ## Node : public cmGeneratorExpressionNode \
{ \
OP ## Node () {} \
virtual int NumExpectedParameters() const { return OneOrMoreParameters; } \
\
std::string Evaluate(const std::vector<std::string> &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; \
} \
else if (*it != #SUCCESS_VALUE) \
{ \
reportError(context, content->GetOriginalExpression(), \
"Parameters to $<" #OP "> must resolve to either '0' or '1'."); \
return std::string(); \
} \
} \
return #SUCCESS_VALUE; \
} \
} OPNAME;
BOOLEAN_OP_NODE(andNode, AND, 1, 0)
BOOLEAN_OP_NODE(orNode, OR, 0, 1)
#undef BOOLEAN_OP_NODE
//----------------------------------------------------------------------------
static const struct NotNode : public cmGeneratorExpressionNode
{
NotNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *) const
{
if (*parameters.begin() != "0" && *parameters.begin() != "1")
{
reportError(context, content->GetOriginalExpression(),
"$<NOT> parameter must resolve to exactly one '0' or '1' value.");
return std::string();
}
return *parameters.begin() == "0" ? "1" : "0";
}
} notNode;
//----------------------------------------------------------------------------
static const struct BoolNode : public cmGeneratorExpressionNode
{
BoolNode() {}
virtual int NumExpectedParameters() const { return 1; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return !cmSystemTools::IsOff(parameters.begin()->c_str()) ? "1" : "0";
}
} boolNode;
//----------------------------------------------------------------------------
static const struct StrEqualNode : public cmGeneratorExpressionNode
{
StrEqualNode() {}
virtual int NumExpectedParameters() const { return 2; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return *parameters.begin() == parameters[1] ? "1" : "0";
}
} strEqualNode;
//----------------------------------------------------------------------------
static const struct EqualNode : public cmGeneratorExpressionNode
{
EqualNode() {}
virtual int NumExpectedParameters() const { return 2; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *) const
{
char *pEnd;
int base = 0;
bool flipSign = false;
const char *lhs = parameters[0].c_str();
if (cmHasLiteralPrefix(lhs, "0b") || cmHasLiteralPrefix(lhs, "0B"))
{
base = 2;
lhs += 2;
}
if (cmHasLiteralPrefix(lhs, "-0b") || cmHasLiteralPrefix(lhs, "-0B"))
{
base = 2;
lhs += 3;
flipSign = true;
}
if (cmHasLiteralPrefix(lhs, "+0b") || cmHasLiteralPrefix(lhs, "+0B"))
{
base = 2;
lhs += 3;
}
long lnum = strtol(lhs, &pEnd, base);
if (pEnd == lhs || *pEnd != '\0' || errno == ERANGE)
{
reportError(context, content->GetOriginalExpression(),
"$<EQUAL> parameter " + parameters[0] + " is not a valid integer.");
return std::string();
}
if (flipSign)
{
lnum = -lnum;
}
base = 0;
flipSign = false;
const char *rhs = parameters[1].c_str();
if (cmHasLiteralPrefix(rhs, "0b") || cmHasLiteralPrefix(rhs, "0B"))
{
base = 2;
rhs += 2;
}
if (cmHasLiteralPrefix(rhs, "-0b") || cmHasLiteralPrefix(rhs, "-0B"))
{
base = 2;
rhs += 3;
flipSign = true;
}
if (cmHasLiteralPrefix(rhs, "+0b") || cmHasLiteralPrefix(rhs, "+0B"))
{
base = 2;
rhs += 3;
}
long rnum = strtol(rhs, &pEnd, base);
if (pEnd == rhs || *pEnd != '\0' || errno == ERANGE)
{
reportError(context, content->GetOriginalExpression(),
"$<EQUAL> parameter " + parameters[1] + " is not a valid integer.");
return std::string();
}
if (flipSign)
{
rnum = -rnum;
}
return lnum == rnum ? "1" : "0";
}
} equalNode;
//----------------------------------------------------------------------------
static const struct LowerCaseNode : public cmGeneratorExpressionNode
{
LowerCaseNode() {}
bool AcceptsArbitraryContentParameter() const { return true; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return cmSystemTools::LowerCase(parameters.front());
}
} lowerCaseNode;
//----------------------------------------------------------------------------
static const struct UpperCaseNode : public cmGeneratorExpressionNode
{
UpperCaseNode() {}
bool AcceptsArbitraryContentParameter() const { return true; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return cmSystemTools::UpperCase(parameters.front());
}
} upperCaseNode;
//----------------------------------------------------------------------------
static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode
{
MakeCIdentifierNode() {}
bool AcceptsArbitraryContentParameter() const { return true; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return cmSystemTools::MakeCidentifier(parameters.front().c_str());
}
} makeCIdentifierNode;
//----------------------------------------------------------------------------
static const struct Angle_RNode : public cmGeneratorExpressionNode
{
Angle_RNode() {}
virtual int NumExpectedParameters() const { return 0; }
std::string Evaluate(const std::vector<std::string> &,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return ">";
}
} angle_rNode;
//----------------------------------------------------------------------------
static const struct CommaNode : public cmGeneratorExpressionNode
{
CommaNode() {}
virtual int NumExpectedParameters() const { return 0; }
std::string Evaluate(const std::vector<std::string> &,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return ",";
}
} commaNode;
//----------------------------------------------------------------------------
static const struct SemicolonNode : public cmGeneratorExpressionNode
{
SemicolonNode() {}
virtual int NumExpectedParameters() const { return 0; }
std::string Evaluate(const std::vector<std::string> &,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return ";";
}
} semicolonNode;
//----------------------------------------------------------------------------
struct CompilerIdNode : public cmGeneratorExpressionNode
{
CompilerIdNode() {}
virtual int NumExpectedParameters() const { return OneOrZeroParameters; }
std::string EvaluateWithLanguage(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *,
const std::string &lang) const
{
const char *compilerId =
context->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER_ID");
if (parameters.size() == 0)
{
return compilerId ? compilerId : "";
}
static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$");
if (!compilerIdValidator.find(*parameters.begin()))
{
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
if (!compilerId)
{
return parameters.front().empty() ? "1" : "0";
}
if (strcmp(parameters.begin()->c_str(), compilerId) == 0)
{
return "1";
}
if (cmsysString_strcasecmp(parameters.begin()->c_str(), compilerId) == 0)
{
switch(context->Makefile->GetPolicyStatus(cmPolicies::CMP0044))
{
case cmPolicies::WARN:
{
cmOStringStream e;
e << context->Makefile->GetPolicies()
->GetPolicyWarning(cmPolicies::CMP0044);
context->Makefile->GetCMakeInstance()
->IssueMessage(cmake::AUTHOR_WARNING,
e.str(), context->Backtrace);
}
case cmPolicies::OLD:
return "1";
case cmPolicies::NEW:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::REQUIRED_IF_USED:
break;
}
}
return "0";
}
};
//----------------------------------------------------------------------------
static const struct CCompilerIdNode : public CompilerIdNode
{
CCompilerIdNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
if (!context->HeadTarget)
{
reportError(context, content->GetOriginalExpression(),
"$<C_COMPILER_ID> may only be used with binary targets. It may "
"not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content,
dagChecker, "C");
}
} cCompilerIdNode;
//----------------------------------------------------------------------------
static const struct CXXCompilerIdNode : public CompilerIdNode
{
CXXCompilerIdNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
if (!context->HeadTarget)
{
reportError(context, content->GetOriginalExpression(),
"$<CXX_COMPILER_ID> may only be used with binary targets. It may "
"not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content,
dagChecker, "CXX");
}
} cxxCompilerIdNode;
//----------------------------------------------------------------------------
struct CompilerVersionNode : public cmGeneratorExpressionNode
{
CompilerVersionNode() {}
virtual int NumExpectedParameters() const { return OneOrZeroParameters; }
std::string EvaluateWithLanguage(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *,
const std::string &lang) const
{
const char *compilerVersion = context->Makefile->GetSafeDefinition(
"CMAKE_" + lang + "_COMPILER_VERSION");
if (parameters.size() == 0)
{
return compilerVersion ? compilerVersion : "";
}
static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$");
if (!compilerIdValidator.find(*parameters.begin()))
{
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
if (!compilerVersion)
{
return parameters.front().empty() ? "1" : "0";
}
return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
parameters.begin()->c_str(),
compilerVersion) ? "1" : "0";
}
};
//----------------------------------------------------------------------------
static const struct CCompilerVersionNode : public CompilerVersionNode
{
CCompilerVersionNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
if (!context->HeadTarget)
{
reportError(context, content->GetOriginalExpression(),
"$<C_COMPILER_VERSION> may only be used with binary targets. It "
"may not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content,
dagChecker, "C");
}
} cCompilerVersionNode;
//----------------------------------------------------------------------------
static const struct CxxCompilerVersionNode : public CompilerVersionNode
{
CxxCompilerVersionNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
if (!context->HeadTarget)
{
reportError(context, content->GetOriginalExpression(),
"$<CXX_COMPILER_VERSION> may only be used with binary targets. It "
"may not be used with add_custom_command or add_custom_target.");
return std::string();
}
return this->EvaluateWithLanguage(parameters, context, content,
dagChecker, "CXX");
}
} cxxCompilerVersionNode;
//----------------------------------------------------------------------------
struct PlatformIdNode : public cmGeneratorExpressionNode
{
PlatformIdNode() {}
virtual int NumExpectedParameters() const { return OneOrZeroParameters; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
const char *platformId =
context->Makefile->GetSafeDefinition("CMAKE_SYSTEM_NAME");
if (parameters.size() == 0)
{
return platformId ? platformId : "";
}
if (!platformId)
{
return parameters.front().empty() ? "1" : "0";
}
if (strcmp(parameters.begin()->c_str(), platformId) == 0)
{
return "1";
}
return "0";
}
} platformIdNode;
//----------------------------------------------------------------------------
static const struct VersionGreaterNode : public cmGeneratorExpressionNode
{
VersionGreaterNode() {}
virtual int NumExpectedParameters() const { return 2; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER,
parameters.front().c_str(),
parameters[1].c_str()) ? "1" : "0";
}
} versionGreaterNode;
//----------------------------------------------------------------------------
static const struct VersionLessNode : public cmGeneratorExpressionNode
{
VersionLessNode() {}
virtual int NumExpectedParameters() const { return 2; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS,
parameters.front().c_str(),
parameters[1].c_str()) ? "1" : "0";
}
} versionLessNode;
//----------------------------------------------------------------------------
static const struct VersionEqualNode : public cmGeneratorExpressionNode
{
VersionEqualNode() {}
virtual int NumExpectedParameters() const { return 2; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
parameters.front().c_str(),
parameters[1].c_str()) ? "1" : "0";
}
} versionEqualNode;
//----------------------------------------------------------------------------
static const struct LinkOnlyNode : public cmGeneratorExpressionNode
{
LinkOnlyNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
if(!dagChecker->GetTransitivePropertiesOnly())
{
return parameters.front();
}
return "";
}
} linkOnlyNode;
//----------------------------------------------------------------------------
static const struct ConfigurationNode : public cmGeneratorExpressionNode
{
ConfigurationNode() {}
virtual int NumExpectedParameters() const { return 0; }
std::string Evaluate(const std::vector<std::string> &,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
context->HadContextSensitiveCondition = true;
return context->Config;
}
} configurationNode;
//----------------------------------------------------------------------------
static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
{
ConfigurationTestNode() {}
virtual int NumExpectedParameters() const { return OneOrZeroParameters; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *) const
{
if (parameters.empty())
{
return configurationNode.Evaluate(parameters, context, content, 0);
}
static cmsys::RegularExpression configValidator("^[A-Za-z0-9_]*$");
if (!configValidator.find(*parameters.begin()))
{
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
context->HadContextSensitiveCondition = true;
if (context->Config.empty())
{
return parameters.front().empty() ? "1" : "0";
}
if (cmsysString_strcasecmp(parameters.begin()->c_str(),
context->Config.c_str()) == 0)
{
return "1";
}
if (context->CurrentTarget
&& context->CurrentTarget->IsImported())
{
const char* loc = 0;
const char* imp = 0;
std::string suffix;
if (context->CurrentTarget->GetMappedConfig(context->Config,
&loc,
&imp,
suffix))
{
// This imported target has an appropriate location
// for this (possibly mapped) config.
// Check if there is a proper config mapping for the tested config.
std::vector<std::string> mappedConfigs;
std::string mapProp = "MAP_IMPORTED_CONFIG_";
mapProp += cmSystemTools::UpperCase(context->Config);
if(const char* mapValue =
context->CurrentTarget->GetProperty(mapProp))
{
cmSystemTools::ExpandListArgument(cmSystemTools::UpperCase(mapValue),
mappedConfigs);
return std::find(mappedConfigs.begin(), mappedConfigs.end(),
cmSystemTools::UpperCase(parameters.front()))
!= mappedConfigs.end() ? "1" : "0";
}
}
}
return "0";
}
} configurationTestNode;
static const struct JoinNode : public cmGeneratorExpressionNode
{
JoinNode() {}
virtual int NumExpectedParameters() const { return 2; }
virtual bool AcceptsArbitraryContentParameter() const { return true; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
std::string result;
std::vector<std::string> list;
cmSystemTools::ExpandListArgument(parameters.front(), list);
std::string sep;
for(std::vector<std::string>::const_iterator li = list.begin();
li != list.end(); ++li)
{
result += sep + *li;
sep = parameters[1];
}
return result;
}
} joinNode;
#define TRANSITIVE_PROPERTY_NAME(PROPERTY) \
, "INTERFACE_" #PROPERTY
//----------------------------------------------------------------------------
static const char* targetPropertyTransitiveWhitelist[] = {
0
CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_NAME)
};
#undef TRANSITIVE_PROPERTY_NAME
template <typename T>
std::string
getLinkedTargetsContent(
std::vector<T> const &libraries,
cmTarget const* target,
cmTarget const* headTarget,
cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *dagChecker,
const std::string &interfacePropertyName)
{
std::string linkedTargetsContent;
std::string sep;
std::string depString;
for (typename std::vector<T>::const_iterator it = libraries.begin();
it != libraries.end(); ++it)
{
// Broken code can have a target in its own link interface.
// Don't follow such link interface entries so as not to create a
// self-referencing loop.
if (it->Target && it->Target != target)
{
depString +=
sep + "$<TARGET_PROPERTY:" +
it->Target->GetName() + "," + interfacePropertyName + ">";
sep = ";";
}
}
if(!depString.empty())
{
linkedTargetsContent =
cmGeneratorExpressionNode::EvaluateDependentExpression(depString,
target->GetMakefile(), context,
headTarget, target, dagChecker);
}
linkedTargetsContent =
cmGeneratorExpression::StripEmptyListElements(linkedTargetsContent);
return linkedTargetsContent;
}
//----------------------------------------------------------------------------
static const struct TargetPropertyNode : public cmGeneratorExpressionNode
{
TargetPropertyNode() {}
// This node handles errors on parameter count itself.
virtual int NumExpectedParameters() const { return OneOrMoreParameters; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagCheckerParent
) const
{
if (parameters.size() != 1 && parameters.size() != 2)
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:...> expression requires one or two parameters");
return std::string();
}
static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$");
cmTarget const* target = context->HeadTarget;
std::string propertyName = *parameters.begin();
if (parameters.size() == 1)
{
context->HadHeadSensitiveCondition = true;
}
if (!target && parameters.size() == 1)
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:prop> may only be used with binary targets. "
"It may not be used with add_custom_command or add_custom_target. "
"Specify the target to read a property from using the "
"$<TARGET_PROPERTY:tgt,prop> signature instead.");
return std::string();
}
if (parameters.size() == 2)
{
if (parameters.begin()->empty() && parameters[1].empty())
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
"target name and property name.");
return std::string();
}
if (parameters.begin()->empty())
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
"target name.");
return std::string();
}
std::string targetName = parameters.front();
propertyName = parameters[1];
if (!cmGeneratorExpression::IsValidTargetName(targetName))
{
if (!propertyNameValidator.find(propertyName.c_str()))
{
::reportError(context, content->GetOriginalExpression(),
"Target name and property name not supported.");
return std::string();
}
::reportError(context, content->GetOriginalExpression(),
"Target name not supported.");
return std::string();
}
if(propertyName == "ALIASED_TARGET")
{
if(context->Makefile->IsAlias(targetName))
{
if(cmTarget* tgt = context->Makefile->FindTargetToUse(targetName))
{
return tgt->GetName();
}
}
return "";
}
target = context->Makefile->FindTargetToUse(targetName);
if (!target)
{
cmOStringStream e;
e << "Target \""
<< targetName
<< "\" not found.";
reportError(context, content->GetOriginalExpression(), e.str());
return std::string();
}
context->AllTargets.insert(target);
}
if (target == context->HeadTarget)
{
// Keep track of the properties seen while processing.
// The evaluation of the LINK_LIBRARIES generator expressions
// will check this to ensure that properties have one consistent
// value for all evaluations.
context->SeenTargetProperties.insert(propertyName);
}
if (propertyName.empty())
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:...> expression requires a non-empty property "
"name.");
return std::string();
}
if (!propertyNameValidator.find(propertyName))
{
::reportError(context, content->GetOriginalExpression(),
"Property name not supported.");
return std::string();
}
assert(target);
if (propertyName == "LINKER_LANGUAGE")
{
if (target->LinkLanguagePropagatesToDependents() &&
dagCheckerParent && (dagCheckerParent->EvaluatingLinkLibraries()
|| dagCheckerParent->EvaluatingSources()))
{
reportError(context, content->GetOriginalExpression(),
"LINKER_LANGUAGE target property can not be used while evaluating "
"link libraries for a static library");
return std::string();
}
return target->GetLinkerLanguage(context->Config);
}
cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace,
target->GetName(),
propertyName,
content,
dagCheckerParent);
switch (dagChecker.Check())
{
case cmGeneratorExpressionDAGChecker::SELF_REFERENCE:
dagChecker.ReportError(context, content->GetOriginalExpression());
return std::string();
case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE:
// No error. We just skip cyclic references.
return std::string();
case cmGeneratorExpressionDAGChecker::ALREADY_SEEN:
for (size_t i = 1;
i < cmArraySize(targetPropertyTransitiveWhitelist);
++i)
{
if (targetPropertyTransitiveWhitelist[i] == propertyName)
{
// No error. We're not going to find anything new here.
return std::string();
}
}
case cmGeneratorExpressionDAGChecker::DAG:
break;
}
const char *prop = target->GetProperty(propertyName);
if (dagCheckerParent)
{
if (dagCheckerParent->EvaluatingLinkLibraries())
{
#define TRANSITIVE_PROPERTY_COMPARE(PROPERTY) \
(#PROPERTY == propertyName || "INTERFACE_" #PROPERTY == propertyName) ||
if (CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(TRANSITIVE_PROPERTY_COMPARE)
false)
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_PROPERTY:...> expression in link libraries "
"evaluation depends on target property which is transitive "
"over the link libraries, creating a recursion.");
return std::string();
}
#undef TRANSITIVE_PROPERTY_COMPARE
if(!prop)
{
return std::string();
}
}
else
{
#define ASSERT_TRANSITIVE_PROPERTY_METHOD(METHOD) \
dagCheckerParent->METHOD () ||
assert(
CM_FOR_EACH_TRANSITIVE_PROPERTY_METHOD(
ASSERT_TRANSITIVE_PROPERTY_METHOD)
false);
#undef ASSERT_TRANSITIVE_PROPERTY_METHOD
}
}
std::string linkedTargetsContent;
std::string interfacePropertyName;
bool isInterfaceProperty = false;
#define POPULATE_INTERFACE_PROPERTY_NAME(prop) \
if (propertyName == #prop) \
{ \
interfacePropertyName = "INTERFACE_" #prop; \
} \
else if (propertyName == "INTERFACE_" #prop) \
{ \
interfacePropertyName = "INTERFACE_" #prop; \
isInterfaceProperty = true; \
} \
else
CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(POPULATE_INTERFACE_PROPERTY_NAME)
// Note that the above macro terminates with an else
/* else */ if (cmHasLiteralPrefix(propertyName.c_str(),
"COMPILE_DEFINITIONS_"))
{
cmPolicies::PolicyStatus polSt =
context->Makefile->GetPolicyStatus(cmPolicies::CMP0043);
if (polSt == cmPolicies::WARN || polSt == cmPolicies::OLD)
{
interfacePropertyName = "INTERFACE_COMPILE_DEFINITIONS";
}
}
#undef POPULATE_INTERFACE_PROPERTY_NAME
cmTarget const* headTarget = context->HeadTarget && isInterfaceProperty
? context->HeadTarget : target;
if(isInterfaceProperty)
{
if(cmTarget::LinkInterfaceLibraries const* iface =
target->GetLinkInterfaceLibraries(context->Config, headTarget, true))
{
linkedTargetsContent =
getLinkedTargetsContent(iface->Libraries, target,
headTarget,
context, &dagChecker,
interfacePropertyName);
}
}
else if(!interfacePropertyName.empty())
{
if(cmTarget::LinkImplementationLibraries const* impl =
target->GetLinkImplementationLibraries(context->Config))
{
linkedTargetsContent =
getLinkedTargetsContent(impl->Libraries, target,
target,
context, &dagChecker,
interfacePropertyName);
}
}
if (!prop)
{
if (target->IsImported()
|| target->GetType() == cmTarget::INTERFACE_LIBRARY)
{
return linkedTargetsContent;
}
if (target->IsLinkInterfaceDependentBoolProperty(propertyName,
context->Config))
{
context->HadContextSensitiveCondition = true;
return target->GetLinkInterfaceDependentBoolProperty(
propertyName,
context->Config) ? "1" : "0";
}
if (target->IsLinkInterfaceDependentStringProperty(propertyName,
context->Config))
{
context->HadContextSensitiveCondition = true;
const char *propContent =
target->GetLinkInterfaceDependentStringProperty(
propertyName,
context->Config);
return propContent ? propContent : "";
}
if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName,
context->Config))
{
context->HadContextSensitiveCondition = true;
const char *propContent =
target->GetLinkInterfaceDependentNumberMinProperty(
propertyName,
context->Config);
return propContent ? propContent : "";
}
if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName,
context->Config))
{
context->HadContextSensitiveCondition = true;
const char *propContent =
target->GetLinkInterfaceDependentNumberMaxProperty(
propertyName,
context->Config);
return propContent ? propContent : "";
}
return linkedTargetsContent;
}
if (!target->IsImported()
&& dagCheckerParent && !dagCheckerParent->EvaluatingLinkLibraries())
{
if (target->IsLinkInterfaceDependentNumberMinProperty(propertyName,
context->Config))
{
context->HadContextSensitiveCondition = true;
const char *propContent =
target->GetLinkInterfaceDependentNumberMinProperty(
propertyName,
context->Config);
return propContent ? propContent : "";
}
if (target->IsLinkInterfaceDependentNumberMaxProperty(propertyName,
context->Config))
{
context->HadContextSensitiveCondition = true;
const char *propContent =
target->GetLinkInterfaceDependentNumberMaxProperty(
propertyName,
context->Config);
return propContent ? propContent : "";
}
}
if(!interfacePropertyName.empty())
{
std::string result = this->EvaluateDependentExpression(prop,
context->Makefile, context,
headTarget, target, &dagChecker);
if (!linkedTargetsContent.empty())
{
result += (result.empty() ? "" : ";") + linkedTargetsContent;
}
return result;
}
return prop;
}
} targetPropertyNode;
//----------------------------------------------------------------------------
static const struct TargetNameNode : public cmGeneratorExpressionNode
{
TargetNameNode() {}
virtual bool GeneratesContent() const { return true; }
virtual bool AcceptsArbitraryContentParameter() const { return true; }
virtual bool RequiresLiteralInput() const { return true; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *,
const GeneratorExpressionContent *,
cmGeneratorExpressionDAGChecker *) const
{
return parameters.front();
}
virtual int NumExpectedParameters() const { return 1; }
} targetNameNode;
//----------------------------------------------------------------------------
static const struct TargetObjectsNode : public cmGeneratorExpressionNode
{
TargetObjectsNode() {}
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *) const
{
if (!context->EvaluateForBuildsystem)
{
cmOStringStream e;
e << "The evaluation of the TARGET_OBJECTS generator expression "
"is only suitable for consumption by CMake. It is not suitable "
"for writing out elsewhere.";
reportError(context, content->GetOriginalExpression(), e.str());
return std::string();
}
std::string tgtName = parameters.front();
cmGeneratorTarget* gt =
context->Makefile->FindGeneratorTargetToUse(tgtName.c_str());
if (!gt)
{
cmOStringStream e;
e << "Objects of target \"" << tgtName
<< "\" referenced but no such target exists.";
reportError(context, content->GetOriginalExpression(), e.str());
return std::string();
}
if (gt->GetType() != cmTarget::OBJECT_LIBRARY)
{
cmOStringStream e;
e << "Objects of target \"" << tgtName
<< "\" referenced but is not an OBJECT library.";
reportError(context, content->GetOriginalExpression(), e.str());
return std::string();
}
std::vector<cmSourceFile const*> objectSources;
gt->GetObjectSources(objectSources, context->Config);
std::map<cmSourceFile const*, std::string> mapping;
for(std::vector<cmSourceFile const*>::const_iterator it
= objectSources.begin(); it != objectSources.end(); ++it)
{
mapping[*it];
}
gt->LocalGenerator->ComputeObjectFilenames(mapping, gt);
std::string obj_dir = gt->ObjectDirectory;
std::string result;
const char* sep = "";
for(std::vector<cmSourceFile const*>::const_iterator it
= objectSources.begin(); it != objectSources.end(); ++it)
{
// Find the object file name corresponding to this source file.
std::map<cmSourceFile const*, std::string>::const_iterator
map_it = mapping.find(*it);
// It must exist because we populated the mapping just above.
assert(!map_it->second.empty());
result += sep;
std::string objFile = obj_dir + map_it->second;
cmSourceFile* sf = context->Makefile->GetOrCreateSource(objFile, true);
sf->SetObjectLibrary(tgtName);
sf->SetProperty("EXTERNAL_OBJECT", "1");
result += objFile;
sep = ";";
}
return result;
}
} targetObjectsNode;
//----------------------------------------------------------------------------
static const struct CompileFeaturesNode : public cmGeneratorExpressionNode
{
CompileFeaturesNode() {}
virtual int NumExpectedParameters() const { return OneOrMoreParameters; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
cmTarget const* target = context->HeadTarget;
if (!target)
{
reportError(context, content->GetOriginalExpression(),
"$<COMPILE_FEATURE> may only be used with binary targets. It may "
"not be used with add_custom_command or add_custom_target.");
return std::string();
}
context->HadHeadSensitiveCondition = true;
typedef std::map<std::string, std::vector<std::string> > LangMap;
static LangMap availableFeatures;
LangMap testedFeatures;
for (std::vector<std::string>::const_iterator it = parameters.begin();
it != parameters.end(); ++it)
{
std::string error;
std::string lang;
if (!context->Makefile->CompileFeatureKnown(context->HeadTarget,
*it, lang, &error))
{
reportError(context, content->GetOriginalExpression(), error);
return std::string();
}
testedFeatures[lang].push_back(*it);
if (availableFeatures.find(lang) == availableFeatures.end())
{
const char* featuresKnown
= context->Makefile->CompileFeaturesAvailable(lang, &error);
if (!featuresKnown)
{
reportError(context, content->GetOriginalExpression(), error);
return std::string();
}
cmSystemTools::ExpandListArgument(featuresKnown,
availableFeatures[lang]);
}
}
bool evalLL = dagChecker && dagChecker->EvaluatingLinkLibraries();
std::string result;
for (LangMap::const_iterator lit = testedFeatures.begin();
lit != testedFeatures.end(); ++lit)
{
std::vector<std::string> const& langAvailable
= availableFeatures[lit->first];
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 (!context->Makefile->HaveStandardAvailable(target,
lit->first, *it))
{
if (evalLL)
{
const char* l = target->GetProperty(lit->first + "_STANDARD");
if (!l)
{
l = context->Makefile
->GetDefinition("CMAKE_" + lit->first + "_STANDARD_DEFAULT");
}
assert(l);
context->MaxLanguageStandard[target][lit->first] = l;
}
else
{
return "0";
}
}
}
}
return "1";
}
} compileFeaturesNode;
//----------------------------------------------------------------------------
static const char* targetPolicyWhitelist[] = {
0
#define TARGET_POLICY_STRING(POLICY) \
, #POLICY
CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_STRING)
#undef TARGET_POLICY_STRING
};
cmPolicies::PolicyStatus statusForTarget(cmTarget const* tgt,
const char *policy)
{
#define RETURN_POLICY(POLICY) \
if (strcmp(policy, #POLICY) == 0) \
{ \
return tgt->GetPolicyStatus ## POLICY (); \
} \
CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY)
#undef RETURN_POLICY
assert("!Unreachable code. Not a valid policy");
return cmPolicies::WARN;
}
cmPolicies::PolicyID policyForString(const char *policy_id)
{
#define RETURN_POLICY_ID(POLICY_ID) \
if (strcmp(policy_id, #POLICY_ID) == 0) \
{ \
return cmPolicies:: POLICY_ID; \
} \
CM_FOR_EACH_TARGET_POLICY(RETURN_POLICY_ID)
#undef RETURN_POLICY_ID
assert("!Unreachable code. Not a valid policy");
return cmPolicies::CMP0002;
}
//----------------------------------------------------------------------------
static const struct TargetPolicyNode : public cmGeneratorExpressionNode
{
TargetPolicyNode() {}
virtual int NumExpectedParameters() const { return 1; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context ,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *) const
{
if (!context->HeadTarget)
{
reportError(context, content->GetOriginalExpression(),
"$<TARGET_POLICY:prop> may only be used with binary targets. It "
"may not be used with add_custom_command or add_custom_target.");
return std::string();
}
context->HadContextSensitiveCondition = true;
context->HadHeadSensitiveCondition = true;
for (size_t i = 1; i < cmArraySize(targetPolicyWhitelist); ++i)
{
const char *policy = targetPolicyWhitelist[i];
if (parameters.front() == policy)
{
cmMakefile *mf = context->HeadTarget->GetMakefile();
switch(statusForTarget(context->HeadTarget, policy))
{
case cmPolicies::WARN:
mf->IssueMessage(cmake::AUTHOR_WARNING,
mf->GetPolicies()->
GetPolicyWarning(policyForString(policy)));
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::OLD:
return "0";
case cmPolicies::NEW:
return "1";
}
}
}
reportError(context, content->GetOriginalExpression(),
"$<TARGET_POLICY:prop> may only be used with a limited number of "
"policies. Currently it may be used with the following policies:\n"
#define STRINGIFY_HELPER(X) #X
#define STRINGIFY(X) STRINGIFY_HELPER(X)
#define TARGET_POLICY_LIST_ITEM(POLICY) \
" * " STRINGIFY(POLICY) "\n"
CM_FOR_EACH_TARGET_POLICY(TARGET_POLICY_LIST_ITEM)
#undef TARGET_POLICY_LIST_ITEM
);
return std::string();
}
} targetPolicyNode;
//----------------------------------------------------------------------------
static const struct InstallPrefixNode : public cmGeneratorExpressionNode
{
InstallPrefixNode() {}
virtual bool GeneratesContent() const { return true; }
virtual int NumExpectedParameters() const { return 0; }
std::string Evaluate(const std::vector<std::string> &,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *) const
{
reportError(context, content->GetOriginalExpression(),
"INSTALL_PREFIX is a marker for install(EXPORT) only. It "
"should never be evaluated.");
return std::string();
}
} installPrefixNode;
//----------------------------------------------------------------------------
class ArtifactNameTag;
class ArtifactLinkerTag;
class ArtifactSonameTag;
class ArtifactPdbTag;
class ArtifactPathTag;
class ArtifactDirTag;
class ArtifactNameTag;
//----------------------------------------------------------------------------
template<typename ArtifactT>
struct TargetFilesystemArtifactResultCreator
{
static std::string Create(cmTarget* target,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content);
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<ArtifactSonameTag>
{
static std::string Create(cmTarget* target,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content)
{
// The target soname file (.so.1).
if(target->IsDLLPlatform())
{
::reportError(context, content->GetOriginalExpression(),
"TARGET_SONAME_FILE is not allowed "
"for DLL target platforms.");
return std::string();
}
if(target->GetType() != cmTarget::SHARED_LIBRARY)
{
::reportError(context, content->GetOriginalExpression(),
"TARGET_SONAME_FILE is allowed only for "
"SHARED libraries.");
return std::string();
}
std::string result = target->GetDirectory(context->Config);
result += "/";
result += target->GetSOName(context->Config);
return result;
}
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<ArtifactPdbTag>
{
static std::string Create(cmTarget* target,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content)
{
std::string language = target->GetLinkerLanguage(context->Config);
std::string pdbSupportVar = "CMAKE_" + language + "_LINKER_SUPPORTS_PDB";
if(!context->Makefile->IsOn(pdbSupportVar))
{
::reportError(context, content->GetOriginalExpression(),
"TARGET_PDB_FILE is not supported by the target linker.");
return std::string();
}
cmTarget::TargetType targetType = target->GetType();
if(targetType != cmTarget::SHARED_LIBRARY &&
targetType != cmTarget::MODULE_LIBRARY &&
targetType != cmTarget::EXECUTABLE)
{
::reportError(context, content->GetOriginalExpression(),
"TARGET_PDB_FILE is allowed only for "
"targets with linker created artifacts.");
return std::string();
}
std::string result = target->GetPDBDirectory(context->Config);
result += "/";
result += target->GetPDBName(context->Config);
return result;
}
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<ArtifactLinkerTag>
{
static std::string Create(cmTarget* target,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content)
{
// The file used to link to the target (.so, .lib, .a).
if(!target->IsLinkable())
{
::reportError(context, content->GetOriginalExpression(),
"TARGET_LINKER_FILE is allowed only for libraries and "
"executables with ENABLE_EXPORTS.");
return std::string();
}
return target->GetFullPath(context->Config,
target->HasImportLibrary());
}
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultCreator<ArtifactNameTag>
{
static std::string Create(cmTarget* target,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *)
{
return target->GetFullPath(context->Config, false, true);
}
};
//----------------------------------------------------------------------------
template<typename ArtifactT>
struct TargetFilesystemArtifactResultGetter
{
static std::string Get(const std::string &result);
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultGetter<ArtifactNameTag>
{
static std::string Get(const std::string &result)
{ return cmSystemTools::GetFilenameName(result); }
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultGetter<ArtifactDirTag>
{
static std::string Get(const std::string &result)
{ return cmSystemTools::GetFilenamePath(result); }
};
//----------------------------------------------------------------------------
template<>
struct TargetFilesystemArtifactResultGetter<ArtifactPathTag>
{
static std::string Get(const std::string &result)
{ return result; }
};
//----------------------------------------------------------------------------
template<typename ArtifactT, typename ComponentT>
struct TargetFilesystemArtifact : public cmGeneratorExpressionNode
{
TargetFilesystemArtifact() {}
virtual int NumExpectedParameters() const { return 1; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
// Lookup the referenced target.
std::string name = *parameters.begin();
if (!cmGeneratorExpression::IsValidTargetName(name))
{
::reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
cmTarget* target = context->Makefile->FindTargetToUse(name);
if(!target)
{
::reportError(context, content->GetOriginalExpression(),
"No target \"" + name + "\"");
return std::string();
}
if(target->GetType() >= cmTarget::OBJECT_LIBRARY &&
target->GetType() != cmTarget::UNKNOWN_LIBRARY)
{
::reportError(context, content->GetOriginalExpression(),
"Target \"" + name + "\" is not an executable or library.");
return std::string();
}
if (dagChecker && (dagChecker->EvaluatingLinkLibraries(name.c_str())
|| (dagChecker->EvaluatingSources()
&& name == dagChecker->TopTarget())))
{
::reportError(context, content->GetOriginalExpression(),
"Expressions which require the linker language may not "
"be used while evaluating link libraries");
return std::string();
}
context->DependTargets.insert(target);
context->AllTargets.insert(target);
std::string result =
TargetFilesystemArtifactResultCreator<ArtifactT>::Create(
target,
context,
content);
if (context->HadError)
{
return std::string();
}
return
TargetFilesystemArtifactResultGetter<ComponentT>::Get(result);
}
};
//----------------------------------------------------------------------------
template<typename ArtifactT>
struct TargetFilesystemArtifactNodeGroup
{
TargetFilesystemArtifactNodeGroup()
{
}
TargetFilesystemArtifact<ArtifactT, ArtifactPathTag> File;
TargetFilesystemArtifact<ArtifactT, ArtifactNameTag> FileName;
TargetFilesystemArtifact<ArtifactT, ArtifactDirTag> FileDir;
};
//----------------------------------------------------------------------------
static const
TargetFilesystemArtifactNodeGroup<ArtifactNameTag> targetNodeGroup;
static const
TargetFilesystemArtifactNodeGroup<ArtifactLinkerTag> targetLinkerNodeGroup;
static const
TargetFilesystemArtifactNodeGroup<ArtifactSonameTag> targetSoNameNodeGroup;
static const
TargetFilesystemArtifactNodeGroup<ArtifactPdbTag> targetPdbNodeGroup;
//----------------------------------------------------------------------------
static const
cmGeneratorExpressionNode* GetNode(const std::string &identifier)
{
typedef std::map<std::string, const cmGeneratorExpressionNode*> NodeMap;
static NodeMap nodeMap;
if (nodeMap.empty())
{
nodeMap["0"] = &zeroNode;
nodeMap["1"] = &oneNode;
nodeMap["AND"] = &andNode;
nodeMap["OR"] = &orNode;
nodeMap["NOT"] = &notNode;
nodeMap["C_COMPILER_ID"] = &cCompilerIdNode;
nodeMap["CXX_COMPILER_ID"] = &cxxCompilerIdNode;
nodeMap["VERSION_GREATER"] = &versionGreaterNode;
nodeMap["VERSION_LESS"] = &versionLessNode;
nodeMap["VERSION_EQUAL"] = &versionEqualNode;
nodeMap["C_COMPILER_VERSION"] = &cCompilerVersionNode;
nodeMap["CXX_COMPILER_VERSION"] = &cxxCompilerVersionNode;
nodeMap["PLATFORM_ID"] = &platformIdNode;
nodeMap["COMPILE_FEATURES"] = &compileFeaturesNode;
nodeMap["CONFIGURATION"] = &configurationNode;
nodeMap["CONFIG"] = &configurationTestNode;
nodeMap["TARGET_FILE"] = &targetNodeGroup.File;
nodeMap["TARGET_LINKER_FILE"] = &targetLinkerNodeGroup.File;
nodeMap["TARGET_SONAME_FILE"] = &targetSoNameNodeGroup.File;
nodeMap["TARGET_PDB_FILE"] = &targetPdbNodeGroup.File;
nodeMap["TARGET_FILE_NAME"] = &targetNodeGroup.FileName;
nodeMap["TARGET_LINKER_FILE_NAME"] = &targetLinkerNodeGroup.FileName;
nodeMap["TARGET_SONAME_FILE_NAME"] = &targetSoNameNodeGroup.FileName;
nodeMap["TARGET_PDB_FILE_NAME"] = &targetPdbNodeGroup.FileName;
nodeMap["TARGET_FILE_DIR"] = &targetNodeGroup.FileDir;
nodeMap["TARGET_LINKER_FILE_DIR"] = &targetLinkerNodeGroup.FileDir;
nodeMap["TARGET_SONAME_FILE_DIR"] = &targetSoNameNodeGroup.FileDir;
nodeMap["TARGET_PDB_FILE_DIR"] = &targetPdbNodeGroup.FileDir;
nodeMap["STREQUAL"] = &strEqualNode;
nodeMap["EQUAL"] = &equalNode;
nodeMap["LOWER_CASE"] = &lowerCaseNode;
nodeMap["UPPER_CASE"] = &upperCaseNode;
nodeMap["MAKE_C_IDENTIFIER"] = &makeCIdentifierNode;
nodeMap["BOOL"] = &boolNode;
nodeMap["ANGLE-R"] = &angle_rNode;
nodeMap["COMMA"] = &commaNode;
nodeMap["SEMICOLON"] = &semicolonNode;
nodeMap["TARGET_PROPERTY"] = &targetPropertyNode;
nodeMap["TARGET_NAME"] = &targetNameNode;
nodeMap["TARGET_OBJECTS"] = &targetObjectsNode;
nodeMap["TARGET_POLICY"] = &targetPolicyNode;
nodeMap["BUILD_INTERFACE"] = &buildInterfaceNode;
nodeMap["INSTALL_INTERFACE"] = &installInterfaceNode;
nodeMap["INSTALL_PREFIX"] = &installPrefixNode;
nodeMap["JOIN"] = &joinNode;
nodeMap["LINK_ONLY"] = &linkOnlyNode;
}
NodeMap::const_iterator i = nodeMap.find(identifier);
if (i == nodeMap.end())
{
return 0;
}
return i->second;
}
//----------------------------------------------------------------------------
GeneratorExpressionContent::GeneratorExpressionContent(
const char *startContent,
size_t length)
: StartContent(startContent), ContentLength(length)
{
}
//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::GetOriginalExpression() const
{
return std::string(this->StartContent, this->ContentLength);
}
//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::ProcessArbitraryContent(
const cmGeneratorExpressionNode *node,
const std::string &identifier,
cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *dagChecker,
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
pit) const
{
std::string result;
const
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
pend = this->ParamChildren.end();
for ( ; pit != pend; ++pit)
{
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
= pit->begin();
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
= pit->end();
for ( ; it != end; ++it)
{
if (node->RequiresLiteralInput())
{
if ((*it)->GetType() != cmGeneratorExpressionEvaluator::Text)
{
reportError(context, this->GetOriginalExpression(),
"$<" + identifier + "> expression requires literal input.");
return std::string();
}
}
result += (*it)->Evaluate(context, dagChecker);
if (context->HadError)
{
return std::string();
}
}
if ((pit + 1) != pend)
{
result += ",";
}
}
if (node->RequiresLiteralInput())
{
std::vector<std::string> parameters;
parameters.push_back(result);
return node->Evaluate(parameters, context, this, dagChecker);
}
return result;
}
//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::Evaluate(
cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
std::string identifier;
{
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
= this->IdentifierChildren.begin();
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
= this->IdentifierChildren.end();
for ( ; it != end; ++it)
{
identifier += (*it)->Evaluate(context, dagChecker);
if (context->HadError)
{
return std::string();
}
}
}
const cmGeneratorExpressionNode *node = GetNode(identifier);
if (!node)
{
reportError(context, this->GetOriginalExpression(),
"Expression did not evaluate to a known generator expression");
return std::string();
}
if (!node->GeneratesContent())
{
if (node->NumExpectedParameters() == 1
&& node->AcceptsArbitraryContentParameter())
{
if (this->ParamChildren.empty())
{
reportError(context, this->GetOriginalExpression(),
"$<" + identifier + "> expression requires a parameter.");
}
}
else
{
std::vector<std::string> parameters;
this->EvaluateParameters(node, identifier, context, dagChecker,
parameters);
}
return std::string();
}
std::vector<std::string> parameters;
this->EvaluateParameters(node, identifier, context, dagChecker, parameters);
if (context->HadError)
{
return std::string();
}
return node->Evaluate(parameters, context, this, dagChecker);
}
//----------------------------------------------------------------------------
std::string GeneratorExpressionContent::EvaluateParameters(
const cmGeneratorExpressionNode *node,
const std::string &identifier,
cmGeneratorExpressionContext *context,
cmGeneratorExpressionDAGChecker *dagChecker,
std::vector<std::string> &parameters) const
{
const int numExpected = node->NumExpectedParameters();
{
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
pit = this->ParamChildren.begin();
const
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
pend = this->ParamChildren.end();
const bool acceptsArbitraryContent
= node->AcceptsArbitraryContentParameter();
int counter = 1;
for ( ; pit != pend; ++pit, ++counter)
{
if (acceptsArbitraryContent && counter == numExpected)
{
std::string lastParam = this->ProcessArbitraryContent(node, identifier,
context,
dagChecker,
pit);
parameters.push_back(lastParam);
return std::string();
}
else
{
std::string parameter;
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
pit->begin();
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
pit->end();
for ( ; it != end; ++it)
{
parameter += (*it)->Evaluate(context, dagChecker);
if (context->HadError)
{
return std::string();
}
}
parameters.push_back(parameter);
}
}
}
if ((numExpected > cmGeneratorExpressionNode::DynamicParameters
&& (unsigned int)numExpected != parameters.size()))
{
if (numExpected == 0)
{
reportError(context, this->GetOriginalExpression(),
"$<" + identifier + "> expression requires no parameters.");
}
else if (numExpected == 1)
{
reportError(context, this->GetOriginalExpression(),
"$<" + identifier + "> expression requires "
"exactly one parameter.");
}
else
{
cmOStringStream e;
e << "$<" + identifier + "> expression requires "
<< numExpected
<< " comma separated parameters, but got "
<< parameters.size() << " instead.";
reportError(context, this->GetOriginalExpression(), e.str());
}
return std::string();
}
if (numExpected == cmGeneratorExpressionNode::OneOrMoreParameters
&& parameters.empty())
{
reportError(context, this->GetOriginalExpression(), "$<" + identifier
+ "> expression requires at least one parameter.");
}
if (numExpected == cmGeneratorExpressionNode::OneOrZeroParameters
&& parameters.size() > 1)
{
reportError(context, this->GetOriginalExpression(), "$<" + identifier
+ "> expression requires one or zero parameters.");
}
return std::string();
}
//----------------------------------------------------------------------------
static void deleteAll(const std::vector<cmGeneratorExpressionEvaluator*> &c)
{
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
= c.begin();
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
= c.end();
for ( ; it != end; ++it)
{
delete *it;
}
}
//----------------------------------------------------------------------------
GeneratorExpressionContent::~GeneratorExpressionContent()
{
deleteAll(this->IdentifierChildren);
typedef std::vector<cmGeneratorExpressionEvaluator*> EvaluatorVector;
std::vector<EvaluatorVector>::const_iterator pit =
this->ParamChildren.begin();
const std::vector<EvaluatorVector>::const_iterator pend =
this->ParamChildren.end();
for ( ; pit != pend; ++pit)
{
deleteAll(*pit);
}
}
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