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cmMakefile: Add automatic scopes to listfile readers.

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This commit is contained in:
Stephen Kelly 2015-06-21 22:50:13 +02:00
parent 276c62253e
commit 92cecd9369
2 changed files with 55 additions and 6 deletions
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57
Source/cmMakefile.cxx
View File

@ -405,6 +405,26 @@ bool cmMakefile::ExecuteCommand(const cmListFileFunction& lff,
return result;
}
class cmMakefile::BuildsystemFileScope
{
public:
BuildsystemFileScope(cmMakefile* mf)
: Makefile(mf), ReportError(true)
{
this->Makefile->PushPolicyBarrier();
}
~BuildsystemFileScope()
{
this->Makefile->PopPolicyBarrier(this->ReportError);
}
void Quiet() { this->ReportError = false; }
private:
cmMakefile* Makefile;
bool ReportError;
};
bool cmMakefile::ProcessBuildsystemFile(const char* filename)
{
this->AddDefinition("CMAKE_PARENT_LIST_FILE", filename);
@ -417,10 +437,12 @@ bool cmMakefile::ProcessBuildsystemFile(const char* filename)
{
return false;
}
this->PushPolicyBarrier();
BuildsystemFileScope scope(this);
this->ReadListFile(listFile, filename);
this->PopPolicyBarrier(!cmSystemTools::GetFatalErrorOccured());
if(cmSystemTools::GetFatalErrorOccured())
{
scope.Quiet();
}
this->EnforceDirectoryLevelRules();
return true;
}
@ -576,6 +598,27 @@ bool cmMakefile::ReadDependentFile(const char* filename, bool noPolicyScope)
return true;
}
class cmMakefile::ListFileScope
{
public:
ListFileScope(cmMakefile* mf)
: Makefile(mf), ReportError(true)
{
this->Makefile->PushPolicyBarrier();
}
~ListFileScope()
{
this->Makefile->PopPolicyBarrier(this->ReportError);
this->Makefile->ListFileStack.pop_back();
}
void Quiet() { this->ReportError = false; }
private:
cmMakefile* Makefile;
bool ReportError;
};
bool cmMakefile::ReadListFile(const char* filename)
{
std::string filenametoread =
@ -590,10 +633,12 @@ bool cmMakefile::ReadListFile(const char* filename)
return false;
}
this->PushPolicyBarrier();
ListFileScope scope(this);
this->ReadListFile(listFile, filenametoread);
this->PopPolicyBarrier(!cmSystemTools::GetFatalErrorOccured());
this->ListFileStack.pop_back();
if(cmSystemTools::GetFatalErrorOccured())
{
scope.Quiet();
}
return true;
}

4
Source/cmMakefile.h
View File

@ -968,6 +968,10 @@ private:
friend class cmCMakePolicyCommand;
class IncludeScope;
friend class IncludeScope;
class ListFileScope;
friend class ListFileScope;
class BuildsystemFileScope;
friend class BuildsystemFileScope;
// stack of policy settings
struct PolicyStackEntry: public cmPolicies::PolicyMap