307 lines
7.5 KiB
C++
307 lines
7.5 KiB
C++
/*=========================================================================
|
|
|
|
Program: CMake - Cross-Platform Makefile Generator
|
|
Module: $RCSfile$
|
|
Language: C++
|
|
Date: $Date$
|
|
Version: $Revision$
|
|
|
|
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
|
|
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notices for more information.
|
|
|
|
=========================================================================*/
|
|
#include "cmIfCommand.h"
|
|
#include <stdlib.h> // required for atof
|
|
|
|
#include <cmsys/RegularExpression.hxx>
|
|
|
|
bool cmIfFunctionBlocker::
|
|
IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
|
|
{
|
|
const char* name = lff.m_Name.c_str();
|
|
const std::vector<cmListFileArgument>& args = lff.m_Arguments;
|
|
// always let if statements through
|
|
if (!strcmp(name,"IF"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// watch for our ELSE or ENDIF
|
|
if (!strcmp(name,"ELSE") || !strcmp(name,"ENDIF"))
|
|
{
|
|
if (args == m_Args)
|
|
{
|
|
// if it was an else statement then we should change state
|
|
// and block this Else Command
|
|
if (!strcmp(name,"ELSE"))
|
|
{
|
|
m_IsBlocking = !m_IsBlocking;
|
|
return true;
|
|
}
|
|
// otherwise it must be an ENDIF statement, in that case remove the
|
|
// function blocker
|
|
mf.RemoveFunctionBlocker(lff);
|
|
return true;
|
|
}
|
|
else if(args.empty())
|
|
{
|
|
std::string err = "Empty arguments for ";
|
|
err += name;
|
|
err += ". Did you mean ";
|
|
err += name;
|
|
err += "( ";
|
|
for(std::vector<cmListFileArgument>::const_iterator a = m_Args.begin();
|
|
a != m_Args.end();++a)
|
|
{
|
|
err += (a->Quoted?"\"":"");
|
|
err += a->Value;
|
|
err += (a->Quoted?"\"":"");
|
|
err += " ";
|
|
}
|
|
err += ")?";
|
|
cmSystemTools::Error(err.c_str());
|
|
}
|
|
}
|
|
return m_IsBlocking;
|
|
}
|
|
|
|
bool cmIfFunctionBlocker::ShouldRemove(const cmListFileFunction& lff,
|
|
cmMakefile&)
|
|
{
|
|
if (lff.m_Name == "ENDIF")
|
|
{
|
|
if (lff.m_Arguments == m_Args)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void cmIfFunctionBlocker::
|
|
ScopeEnded(cmMakefile &mf)
|
|
{
|
|
std::string errmsg = "The end of a CMakeLists file was reached with an IF statement that was not closed properly.\nWithin the directory: ";
|
|
errmsg += mf.GetCurrentDirectory();
|
|
errmsg += "\nThe arguments are: ";
|
|
for(std::vector<cmListFileArgument>::const_iterator j = m_Args.begin();
|
|
j != m_Args.end(); ++j)
|
|
{
|
|
errmsg += (j->Quoted?"\"":"");
|
|
errmsg += j->Value;
|
|
errmsg += (j->Quoted?"\"":"");
|
|
errmsg += " ";
|
|
}
|
|
cmSystemTools::Message(errmsg.c_str(), "Warning");
|
|
}
|
|
|
|
bool cmIfCommand::InvokeInitialPass(const std::vector<cmListFileArgument>& args)
|
|
{
|
|
bool isValid;
|
|
|
|
std::vector<std::string> expandedArguments;
|
|
m_Makefile->ExpandArguments(args, expandedArguments);
|
|
bool isTrue = cmIfCommand::IsTrue(expandedArguments,isValid,m_Makefile);
|
|
|
|
if (!isValid)
|
|
{
|
|
std::string err = "An IF command had incorrect arguments: ";
|
|
unsigned int i;
|
|
for(i =0; i < args.size(); ++i)
|
|
{
|
|
err += (args[i].Quoted?"\"":"");
|
|
err += args[i].Value;
|
|
err += (args[i].Quoted?"\"":"");
|
|
err += " ";
|
|
}
|
|
this->SetError(err.c_str());
|
|
return false;
|
|
}
|
|
|
|
cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
|
|
// if is isn't true block the commands
|
|
f->m_IsBlocking = !isTrue;
|
|
f->m_Args = args;
|
|
m_Makefile->AddFunctionBlocker(f);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool cmIfCommand::IsTrue(const std::vector<std::string> &args,
|
|
bool &isValid, const cmMakefile *makefile)
|
|
{
|
|
// check for the different signatures
|
|
bool isTrue = true;
|
|
isValid = false;
|
|
const char *def;
|
|
const char *def2;
|
|
|
|
if(args.size() < 1 )
|
|
{
|
|
isValid = true;
|
|
return false;
|
|
}
|
|
|
|
if (args.size() == 1)
|
|
{
|
|
def = makefile->GetDefinition(args[0].c_str());
|
|
if(cmSystemTools::IsOff(def))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 2 && (args[0] == "NOT"))
|
|
{
|
|
def = makefile->GetDefinition(args[1].c_str());
|
|
if(!cmSystemTools::IsOff(def))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
|
|
}
|
|
|
|
if (args.size() == 2 && (args[0] == "COMMAND"))
|
|
{
|
|
if(!makefile->CommandExists(args[1].c_str()))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 2 && (args[0] == "EXISTS"))
|
|
{
|
|
if(!cmSystemTools::FileExists(args[1].c_str()))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 2 && (args[0] == "MATCHES"))
|
|
{
|
|
if(!cmSystemTools::FileExists(args[1].c_str()))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "AND"))
|
|
{
|
|
def = makefile->GetDefinition(args[0].c_str());
|
|
def2 = makefile->GetDefinition(args[2].c_str());
|
|
if(cmSystemTools::IsOff(def) || cmSystemTools::IsOff(def2))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "OR"))
|
|
{
|
|
def = makefile->GetDefinition(args[0].c_str());
|
|
def2 = makefile->GetDefinition(args[2].c_str());
|
|
if(cmSystemTools::IsOff(def) && cmSystemTools::IsOff(def2))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "MATCHES"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(args[0].c_str(), makefile);
|
|
cmsys::RegularExpression regEntry(args[2].c_str());
|
|
|
|
// check for black line or comment
|
|
if (!regEntry.find(def))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "LESS"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(args[0].c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString(args[2].c_str(), makefile);
|
|
if (!def)
|
|
{
|
|
def = args[0].c_str();
|
|
}
|
|
if (!def2)
|
|
{
|
|
def2 = args[2].c_str();
|
|
}
|
|
if(atof(def) >= atof(def2))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "GREATER"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(args[0].c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString(args[2].c_str(), makefile);
|
|
if(atof(def) <= atof(def2))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "EQUAL"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(args[0].c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString(args[2].c_str(), makefile);
|
|
if(atof(def) != atof(def2))
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "STRLESS"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(args[0].c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString(args[2].c_str(), makefile);
|
|
if(strcmp(def,def2) >= 0)
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
|
|
if (args.size() == 3 && (args[1] == "STRGREATER"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(args[0].c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString(args[2].c_str(), makefile);
|
|
if(strcmp(def,def2) <= 0)
|
|
{
|
|
isTrue = false;
|
|
}
|
|
isValid = true;
|
|
}
|
|
return isTrue;
|
|
}
|
|
|
|
const char* cmIfCommand::GetVariableOrString(const char* str,
|
|
const cmMakefile* mf)
|
|
{
|
|
const char* def = mf->GetDefinition(str);
|
|
if(!def)
|
|
{
|
|
def = str;
|
|
}
|
|
return def;
|
|
}
|