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cmPolicies: Implement id to version with XMacro.

This commit is contained in:
Stephen Kelly 2015-05-03 10:10:20 +02:00
parent 05d8438860
commit 2235cfebee
1 changed files with 21 additions and 13 deletions
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34
Source/cmPolicies.cxx
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@ -45,6 +45,10 @@ static bool stringToId(const char* input, cmPolicies::PolicyID& pid)
return true;
}
#define CM_SELECT_ID_VERSION(F, A1, A2, A3, A4, A5, A6) F(A1, A3, A4, A5)
#define CM_FOR_EACH_POLICY_ID_VERSION(POLICY) \
CM_FOR_EACH_POLICY_TABLE(POLICY, CM_SELECT_ID_VERSION)
static const char* idToString(cmPolicies::PolicyID id)
{
switch(id)
@ -60,6 +64,21 @@ static const char* idToString(cmPolicies::PolicyID id)
return 0;
}
static const char* idToVersion(cmPolicies::PolicyID id)
{
switch(id)
{
#define POLICY_CASE(ID, V_MAJOR, V_MINOR, V_PATCH) \
case cmPolicies::ID: \
return #V_MAJOR "." #V_MINOR "." #V_PATCH;
CM_FOR_EACH_POLICY_ID_VERSION(POLICY_CASE)
#undef POLICY_CASE
case cmPolicies::CMPCOUNT:
return 0;
}
return 0;
}
class cmPolicy
{
public:
@ -78,17 +97,6 @@ public:
this->Status = status;
}
std::string GetVersionString()
{
std::ostringstream v;
v << this->MajorVersionIntroduced << "." << this->MinorVersionIntroduced;
if(this->PatchVersionIntroduced > 0)
{
v << "." << this->PatchVersionIntroduced;
}
return v.str();
}
bool IsPolicyNewerThan(unsigned int majorV,
unsigned int minorV,
unsigned int patchV)
@ -615,7 +623,7 @@ std::string cmPolicies::GetRequiredPolicyError(cmPolicies::PolicyID id)
"The policy may be set explicitly using the code\n"
" cmake_policy(SET " << idToString(id) << " NEW)\n"
"or by upgrading all policies with the code\n"
" cmake_policy(VERSION " << pos->second->GetVersionString() <<
" cmake_policy(VERSION " << idToVersion(id) <<
") # or later\n"
"Run \"cmake --help-command cmake_policy\" for more information.";
return error.str();
@ -646,7 +654,7 @@ cmPolicies::GetRequiredAlwaysPolicyError(cmPolicies::PolicyID id)
e << "Policy " << pid << " may not be set to OLD behavior because this "
<< "version of CMake no longer supports it. "
<< "The policy was introduced in "
<< "CMake version " << this->Policies[id]->GetVersionString()
<< "CMake version " << idToVersion(id)
<< ", and use of NEW behavior is now required."
<< "\n"
<< "Please either update your CMakeLists.txt files to conform to "