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added new if commands

This commit is contained in:
Ken Martin 2001-08-06 17:01:26 -04:00
parent f70e0d6b1e
commit d7702b4c30
4 changed files with 123 additions and 60 deletions
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89
Source/cmElseCommand.cxx
View File

@ -49,41 +49,78 @@ bool cmElseCommand::InitialPass(std::vector<std::string>& args)
return false;
}
// check for the NOT vale
// create a function blocker
cmIfFunctionBlocker *f = NULL;
// check for the different signatures
const char *def;
if (args.size() == 2 && (args[0] == "NOT"))
{
def = m_Makefile->GetDefinition(args[1].c_str());
if(!cmSystemTools::IsOff(def))
{
// remove any function blockers for this define
m_Makefile->RemoveFunctionBlocker("ENDIF",args);
}
else
{
// create a function blocker
cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
f->m_Define = args[1];
f->m_Not = true;
m_Makefile->AddFunctionBlocker(f);
}
}
else
const char *def2;
if (args.size() == 1)
{
def = m_Makefile->GetDefinition(args[0].c_str());
if(!cmSystemTools::IsOff(def))
{
// create a function blocker
cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
f->m_Define = args[0];
m_Makefile->AddFunctionBlocker(f);
f = new cmIfFunctionBlocker();
}
else
}
if (args.size() == 2 && (args[0] == "NOT"))
{
def = m_Makefile->GetDefinition(args[1].c_str());
if(cmSystemTools::IsOff(def))
{
// remove any function blockers for this define
m_Makefile->RemoveFunctionBlocker("ENDIF",args);
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "AND"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
def2 = m_Makefile->GetDefinition(args[2].c_str());
if(cmSystemTools::IsOff(def) || cmSystemTools::IsOff(def2))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "OR"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
def2 = m_Makefile->GetDefinition(args[2].c_str());
if(cmSystemTools::IsOff(def) && cmSystemTools::IsOff(def2))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "MATCHES"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
cmRegularExpression regEntry(args[2].c_str());
// check for black line or comment
if (!regEntry.find(def))
{
f = new cmIfFunctionBlocker();
}
}
// if we created a function blocker then set its args
if (f)
{
for(std::vector<std::string>::iterator j = args.begin();
j != args.end(); ++j)
{
f->m_Args.push_back(*j);
}
m_Makefile->AddFunctionBlocker(f);
}
else
{
// remove any function blockers for this define
m_Makefile->RemoveFunctionBlocker("ENDIF",args);
}
return true;
}

2
Source/cmElseCommand.h
View File

@ -90,7 +90,7 @@ public:
virtual const char* GetFullDocumentation()
{
return
"ELSE(define)";
"ELSE(args), Note that the args for the ELSE clause must match those of the IF clause. See the IF command for more information.";
}
cmTypeMacro(cmElseCommand, cmCommand);

82
Source/cmIfCommand.cxx
View File

@ -47,13 +47,7 @@ IsFunctionBlocked(const char *name, const std::vector<std::string> &args,
{
if (!strcmp(name,"ELSE") || !strcmp(name,"ENDIF"))
{
if (m_Not && (args.size() == 2) && !strcmp(args[0].c_str(),"NOT") &&
!strcmp(args[1].c_str(),m_Define.c_str()))
{
return false;
}
if (!m_Not && (args.size() == 1) &&
!strcmp(args[0].c_str(),m_Define.c_str()))
if (args == m_Args)
{
return false;
}
@ -72,9 +66,7 @@ void cmIfFunctionBlocker::
ScopeEnded(cmMakefile &mf)
{
cmSystemTools::Error("The end of a CMakeLists file was reached with an IF statement that was not closed properly. Within the directory: ",
mf.GetCurrentDirectory(),
(m_Not ? " The arguments to the if were: NOT " : " The arguments to the if were: "),
m_Define.c_str());
mf.GetCurrentDirectory());
}
bool cmIfCommand::InitialPass(std::vector<std::string>& args)
@ -85,39 +77,73 @@ bool cmIfCommand::InitialPass(std::vector<std::string>& args)
return false;
}
// check for the NOT value
// create a function blocker
cmIfFunctionBlocker *f = NULL;
// check for the different signatures
const char *def;
const char *def2;
if (args.size() == 1)
{
def = m_Makefile->GetDefinition(args[0].c_str());
if(cmSystemTools::IsOff(def))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 2 && (args[0] == "NOT"))
{
def = m_Makefile->GetDefinition(args[1].c_str());
if(!cmSystemTools::IsOff(def))
{
// create a function blocker
cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
f->m_Define = args[1];
f->m_Not = true;
m_Makefile->AddFunctionBlocker(f);
}
else
{
// do nothing
f = new cmIfFunctionBlocker();
}
}
else
if (args.size() == 3 && (args[1] == "AND"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
if(!cmSystemTools::IsOff(def))
def2 = m_Makefile->GetDefinition(args[2].c_str());
if(!cmSystemTools::IsOff(def) && !cmSystemTools::IsOff(def2))
{
// do nothing
f = new cmIfFunctionBlocker();
}
else
}
if (args.size() == 3 && (args[1] == "OR"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
def2 = m_Makefile->GetDefinition(args[2].c_str());
if(!cmSystemTools::IsOff(def) || !cmSystemTools::IsOff(def2))
{
// create a function blocker
cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
f->m_Define = args[0];
m_Makefile->AddFunctionBlocker(f);
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "MATCHES"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
cmRegularExpression regEntry(args[2].c_str());
// check for black line or comment
if (regEntry.find(def))
{
f = new cmIfFunctionBlocker();
}
}
// if we created a function blocker then set its args
if (f)
{
for(std::vector<std::string>::iterator j = args.begin();
j != args.end(); ++j)
{
f->m_Args.push_back(*j);
}
m_Makefile->AddFunctionBlocker(f);
}
return true;
}

10
Source/cmIfCommand.h
View File

@ -53,7 +53,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
class cmIfFunctionBlocker : public cmFunctionBlocker
{
public:
cmIfFunctionBlocker() {m_Not = false;}
cmIfFunctionBlocker() {}
virtual ~cmIfFunctionBlocker() {}
virtual bool IsFunctionBlocked(const char *name,
const std::vector<std::string> &args,
@ -63,8 +63,7 @@ public:
cmMakefile &mf);
virtual void ScopeEnded(cmMakefile &mf);
std::string m_Define;
bool m_Not;
std::vector<std::string> m_Args;
};
/** \class cmIfCommand
@ -114,8 +113,9 @@ public:
virtual const char* GetFullDocumentation()
{
return
"IF (define) Starts an if block. Optionally there it can be invoked as\n"
"IF (NOT Define) the matching ELSE and ENDIF require the NOT as well.";
"IF (define) Starts an if block. Optionally it can be invoked "
"using (NOT define) (def AND def2) (def OR def2) (def MATCHES def2) "
"MATCHES checks if def matches the regular expression def2 ";
}
cmTypeMacro(cmIfCommand, cmCommand);