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cmPolicies: Implement short description access with XMacros.

This commit is contained in:
Stephen Kelly 2015-05-03 10:10:31 +02:00
parent 5df267fa1d
commit cb765af049
1 changed files with 23 additions and 15 deletions
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38
Source/cmPolicies.cxx
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@ -49,6 +49,10 @@ static bool stringToId(const char* input, cmPolicies::PolicyID& pid)
#define CM_FOR_EACH_POLICY_ID_VERSION(POLICY) \
CM_FOR_EACH_POLICY_TABLE(POLICY, CM_SELECT_ID_VERSION)
#define CM_SELECT_ID_DOC(F, A1, A2, A3, A4, A5, A6) F(A1, A2)
#define CM_FOR_EACH_POLICY_ID_DOC(POLICY) \
CM_FOR_EACH_POLICY_TABLE(POLICY, CM_SELECT_ID_DOC)
static const char* idToString(cmPolicies::PolicyID id)
{
switch(id)
@ -102,20 +106,32 @@ static bool isPolicyNewerThan(cmPolicies::PolicyID id,
return false;
}
const char* idToShortDescription(cmPolicies::PolicyID id)
{
switch(id)
{
#define POLICY_CASE(ID, SHORT_DESCRIPTION) \
case cmPolicies::ID: \
return SHORT_DESCRIPTION;
CM_FOR_EACH_POLICY_ID_DOC(POLICY_CASE)
#undef POLICY_CASE
case cmPolicies::CMPCOUNT:
return 0;
}
return 0;
}
class cmPolicy
{
public:
cmPolicy(cmPolicies::PolicyID iD,
const char *shortDescription,
cmPolicies::PolicyStatus status)
{
this->ID = iD;
this->ShortDescription = shortDescription;
this->Status = status;
}
cmPolicies::PolicyID ID;
std::string ShortDescription;
cmPolicies::PolicyStatus Status;
};
@ -440,14 +456,13 @@ cmPolicies::~cmPolicies()
void cmPolicies::DefinePolicy(cmPolicies::PolicyID iD,
const char *,
const char *shortDescription,
const char *,
unsigned int,
unsigned int,
unsigned int,
cmPolicies::PolicyStatus status)
{
this->Policies[iD] = new cmPolicy(iD,
shortDescription,
status);
}
@ -591,13 +606,10 @@ bool cmPolicies::GetPolicyID(const char *id, cmPolicies::PolicyID &pid)
///! return a warning string for a given policy
std::string cmPolicies::GetPolicyWarning(cmPolicies::PolicyID id)
{
std::map<cmPolicies::PolicyID,cmPolicy *>::iterator pos =
this->Policies.find(id);
std::ostringstream msg;
msg <<
"Policy " << idToString(id) << " is not set: "
"" << pos->second->ShortDescription << " "
"" << idToShortDescription(id) << " "
"Run \"cmake --help-policy " << idToString(id) << "\" for "
"policy details. "
"Use the cmake_policy command to set the policy "
@ -609,13 +621,10 @@ std::string cmPolicies::GetPolicyWarning(cmPolicies::PolicyID id)
///! return an error string for when a required policy is unspecified
std::string cmPolicies::GetRequiredPolicyError(cmPolicies::PolicyID id)
{
std::map<cmPolicies::PolicyID,cmPolicy *>::iterator pos =
this->Policies.find(id);
std::ostringstream error;
error <<
"Policy " << idToString(id) << " is not set to NEW: "
"" << pos->second->ShortDescription << " "
"" << idToShortDescription(id) << " "
"Run \"cmake --help-policy " << idToString(id) << "\" for "
"policy details. "
"CMake now requires this policy to be set to NEW by the project. "
@ -678,8 +687,7 @@ cmPolicies::DiagnoseAncientPolicies(std::vector<PolicyID> const& ancient,
for(std::vector<PolicyID>::const_iterator
i = ancient.begin(); i != ancient.end(); ++i)
{
cmPolicy const* policy = this->Policies[*i];
e << " " << idToString(*i) << ": " << policy->ShortDescription << "\n";
e << " " << idToString(*i) << ": " << idToShortDescription(*i) << "\n";
}
e << "However, this version of CMake no longer supports the OLD "
<< "behavior for these policies. "