565 lines
15 KiB
C++
565 lines
15 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 <list>
|
|
#include <cmsys/RegularExpression.hxx>
|
|
|
|
bool cmIfFunctionBlocker::
|
|
IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
|
|
{
|
|
// always let if statements through
|
|
if (!cmSystemTools::Strucmp(lff.Name.c_str(),"if"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// watch for our ELSE or ENDIF
|
|
if (!cmSystemTools::Strucmp(lff.Name.c_str(),"else") ||
|
|
!cmSystemTools::Strucmp(lff.Name.c_str(),"endif"))
|
|
{
|
|
// if it was an else statement then we should change state
|
|
// and block this Else Command
|
|
if (!cmSystemTools::Strucmp(lff.Name.c_str(),"else"))
|
|
{
|
|
this->IsBlocking = !this->IsBlocking;
|
|
return true;
|
|
}
|
|
// otherwise it must be an ENDIF statement, in that case remove the
|
|
// function blocker
|
|
mf.RemoveFunctionBlocker(lff);
|
|
return true;
|
|
}
|
|
|
|
return this->IsBlocking;
|
|
}
|
|
|
|
bool cmIfFunctionBlocker::ShouldRemove(const cmListFileFunction& lff,
|
|
cmMakefile& mf)
|
|
{
|
|
if (!cmSystemTools::Strucmp(lff.Name.c_str(),"endif"))
|
|
{
|
|
if (mf.IsOn("CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS")
|
|
|| lff.Arguments == this->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 = this->Args.begin();
|
|
j != this->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)
|
|
{
|
|
char* errorString = 0;
|
|
|
|
std::vector<std::string> expandedArguments;
|
|
this->Makefile->ExpandArguments(args, expandedArguments);
|
|
bool isTrue =
|
|
cmIfCommand::IsTrue(expandedArguments,&errorString,this->Makefile);
|
|
|
|
if (errorString)
|
|
{
|
|
std::string err = "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 += " ";
|
|
}
|
|
err += "(";
|
|
err += errorString;
|
|
err += ").";
|
|
this->SetError(err.c_str());
|
|
delete [] errorString;
|
|
return false;
|
|
}
|
|
|
|
cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
|
|
// if is isn't true block the commands
|
|
f->IsBlocking = !isTrue;
|
|
f->Args = args;
|
|
this->Makefile->AddFunctionBlocker(f);
|
|
|
|
return true;
|
|
}
|
|
|
|
namespace
|
|
{
|
|
void IncrementArguments(std::list<std::string> &newArgs,
|
|
std::list<std::string>::iterator &argP1,
|
|
std::list<std::string>::iterator &argP2)
|
|
{
|
|
if (argP1 != newArgs.end())
|
|
{
|
|
argP1++;
|
|
argP2 = argP1;
|
|
if (argP1 != newArgs.end())
|
|
{
|
|
argP2++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// order of operations,
|
|
// IS_DIRECTORY EXISTS COMMAND DEFINED
|
|
// MATCHES LESS GREATER EQUAL STRLESS STRGREATER STREQUAL
|
|
// AND OR
|
|
//
|
|
// There is an issue on whether the arguments should be values of references,
|
|
// for example IF (FOO AND BAR) should that compare the strings FOO and BAR
|
|
// or should it really do IF (${FOO} AND ${BAR}) Currently IS_DIRECTORY
|
|
// EXISTS COMMAND and DEFINED all take values. EQUAL, LESS and GREATER can
|
|
// take numeric values or variable names. STRLESS and STRGREATER take
|
|
// variable names but if the variable name is not found it will use the name
|
|
// directly. AND OR take variables or the values 0 or 1.
|
|
|
|
|
|
bool cmIfCommand::IsTrue(const std::vector<std::string> &args,
|
|
char **errorString, const cmMakefile *makefile)
|
|
{
|
|
// check for the different signatures
|
|
const char *def;
|
|
const char *def2;
|
|
const char* msg = "Unknown arguments specified";
|
|
*errorString = new char[strlen(msg) + 1];
|
|
strcpy(*errorString, msg);
|
|
|
|
// handle empty invocation
|
|
if (args.size() < 1)
|
|
{
|
|
delete [] *errorString;
|
|
*errorString = 0;
|
|
return false;
|
|
}
|
|
|
|
// this is a super ugly hack. Basically old versiosn of VTK and ITK have a
|
|
// bad test to check for more recent versions of CMake in the
|
|
// CMakeLists.txt file for libtiff. So when we reved CMake up to 2.0 the
|
|
// test started failing because the minor version went to zero this causes
|
|
// the test to pass
|
|
if (args.size() == 3 &&
|
|
(makefile->GetDefinition("VTKTIFF_SOURCE_DIR") ||
|
|
makefile->GetDefinition("ITKTIFF_SOURCE_DIR")) &&
|
|
args[0] == "CMAKE_MINOR_VERSION" &&
|
|
args[1] == "MATCHES")
|
|
{
|
|
delete [] *errorString;
|
|
*errorString = 0;
|
|
return true;
|
|
}
|
|
|
|
|
|
// store the reduced args in this vector
|
|
std::list<std::string> newArgs;
|
|
int reducible;
|
|
unsigned int i;
|
|
|
|
// copy to the list structure
|
|
for(i = 0; i < args.size(); ++i)
|
|
{
|
|
newArgs.push_back(args[i]);
|
|
}
|
|
std::list<std::string>::iterator argP1;
|
|
std::list<std::string>::iterator argP2;
|
|
|
|
// now loop through the arguments and see if we can reduce any of them
|
|
// we do this multiple times. Once for each level of precedence
|
|
do
|
|
{
|
|
reducible = 0;
|
|
std::list<std::string>::iterator arg = newArgs.begin();
|
|
while (arg != newArgs.end())
|
|
{
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
// does a file exist
|
|
if (*arg == "EXISTS" && argP1 != newArgs.end())
|
|
{
|
|
if(cmSystemTools::FileExists((argP1)->c_str()))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
// does a file exist
|
|
if (*arg == "IS_DIRECTORY" && argP1 != newArgs.end())
|
|
{
|
|
if(cmSystemTools::FileIsDirectory((argP1)->c_str()))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
// does a command exist
|
|
if (*arg == "COMMAND" && argP1 != newArgs.end())
|
|
{
|
|
if(makefile->CommandExists((argP1)->c_str()))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
// is a variable defined
|
|
if (*arg == "DEFINED" && argP1 != newArgs.end())
|
|
{
|
|
size_t argP1len = argP1->size();
|
|
if(argP1len > 4 && argP1->substr(0, 4) == "ENV{" &&
|
|
argP1->operator[](argP1len-1) == '}')
|
|
{
|
|
std::string env = argP1->substr(4, argP1len-5);
|
|
def = cmSystemTools::GetEnv(env.c_str());
|
|
}
|
|
else
|
|
{
|
|
def = makefile->GetDefinition((argP1)->c_str());
|
|
}
|
|
if(def)
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
++arg;
|
|
}
|
|
}
|
|
while (reducible);
|
|
|
|
|
|
// now loop through the arguments and see if we can reduce any of them
|
|
// we do this multiple times. Once for each level of precedence
|
|
do
|
|
{
|
|
reducible = 0;
|
|
std::list<std::string>::iterator arg = newArgs.begin();
|
|
|
|
while (arg != newArgs.end())
|
|
{
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
if (argP1 != newArgs.end() && argP2 != newArgs.end() &&
|
|
*(argP1) == "MATCHES")
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(arg->c_str(), makefile);
|
|
const char* rex = (argP2)->c_str();
|
|
cmsys::RegularExpression regEntry;
|
|
if ( !regEntry.compile(rex) )
|
|
{
|
|
cmOStringStream error;
|
|
error << "Regular expression \"" << rex << "\" cannot compile";
|
|
delete [] *errorString;
|
|
*errorString = new char[error.str().size() + 1];
|
|
strcpy(*errorString, error.str().c_str());
|
|
return false;
|
|
}
|
|
if (regEntry.find(def))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
newArgs.erase(argP2);
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
|
|
if (argP1 != newArgs.end() && *arg == "MATCHES")
|
|
{
|
|
*arg = "0";
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
|
|
if (argP1 != newArgs.end() && argP2 != newArgs.end() &&
|
|
(*(argP1) == "LESS" || *(argP1) == "GREATER" ||
|
|
*(argP1) == "EQUAL"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(arg->c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString((argP2)->c_str(), makefile);
|
|
if (*(argP1) == "LESS")
|
|
{
|
|
if(atof(def) < atof(def2))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
}
|
|
else if (*(argP1) == "GREATER")
|
|
{
|
|
if(atof(def) > atof(def2))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(atof(def) == atof(def2))
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
}
|
|
newArgs.erase(argP2);
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
|
|
if (argP1 != newArgs.end() && argP2 != newArgs.end() &&
|
|
(*(argP1) == "STRLESS" ||
|
|
*(argP1) == "STREQUAL" ||
|
|
*(argP1) == "STRGREATER"))
|
|
{
|
|
def = cmIfCommand::GetVariableOrString(arg->c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrString((argP2)->c_str(), makefile);
|
|
int val = strcmp(def,def2);
|
|
int result;
|
|
if (*(argP1) == "STRLESS")
|
|
{
|
|
result = (val < 0);
|
|
}
|
|
else if (*(argP1) == "STRGREATER")
|
|
{
|
|
result = (val > 0);
|
|
}
|
|
else // strequal
|
|
{
|
|
result = (val == 0);
|
|
}
|
|
if(result)
|
|
{
|
|
*arg = "1";
|
|
}
|
|
else
|
|
{
|
|
*arg = "0";
|
|
}
|
|
newArgs.erase(argP2);
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
|
|
++arg;
|
|
}
|
|
}
|
|
while (reducible);
|
|
|
|
|
|
// now loop through the arguments and see if we can reduce any of them
|
|
// we do this multiple times. Once for each level of precedence
|
|
do
|
|
{
|
|
reducible = 0;
|
|
std::list<std::string>::iterator arg = newArgs.begin();
|
|
while (arg != newArgs.end())
|
|
{
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
if (argP1 != newArgs.end() && *arg == "NOT")
|
|
{
|
|
def = cmIfCommand::GetVariableOrNumber((argP1)->c_str(), makefile);
|
|
if(!cmSystemTools::IsOff(def))
|
|
{
|
|
*arg = "0";
|
|
}
|
|
else
|
|
{
|
|
*arg = "1";
|
|
}
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
++arg;
|
|
}
|
|
}
|
|
while (reducible);
|
|
|
|
// now loop through the arguments and see if we can reduce any of them
|
|
// we do this multiple times. Once for each level of precedence
|
|
do
|
|
{
|
|
reducible = 0;
|
|
std::list<std::string>::iterator arg = newArgs.begin();
|
|
while (arg != newArgs.end())
|
|
{
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
if (argP1 != newArgs.end() && *(argP1) == "AND" &&
|
|
argP2 != newArgs.end())
|
|
{
|
|
def = cmIfCommand::GetVariableOrNumber(arg->c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrNumber((argP2)->c_str(), makefile);
|
|
if(cmSystemTools::IsOff(def) || cmSystemTools::IsOff(def2))
|
|
{
|
|
*arg = "0";
|
|
}
|
|
else
|
|
{
|
|
*arg = "1";
|
|
}
|
|
newArgs.erase(argP2);
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
|
|
if (argP1 != newArgs.end() && *(argP1) == "OR" &&
|
|
argP2 != newArgs.end())
|
|
{
|
|
def = cmIfCommand::GetVariableOrNumber(arg->c_str(), makefile);
|
|
def2 = cmIfCommand::GetVariableOrNumber((argP2)->c_str(), makefile);
|
|
if(cmSystemTools::IsOff(def) && cmSystemTools::IsOff(def2))
|
|
{
|
|
*arg = "0";
|
|
}
|
|
else
|
|
{
|
|
*arg = "1";
|
|
}
|
|
newArgs.erase(argP2);
|
|
newArgs.erase(argP1);
|
|
argP1 = arg;
|
|
IncrementArguments(newArgs,argP1,argP2);
|
|
reducible = 1;
|
|
}
|
|
|
|
++arg;
|
|
}
|
|
}
|
|
while (reducible);
|
|
|
|
// now at the end there should only be one argument left
|
|
if (newArgs.size() == 1)
|
|
{
|
|
delete [] *errorString;
|
|
*errorString = 0;
|
|
if (*newArgs.begin() == "0")
|
|
{
|
|
return false;
|
|
}
|
|
if (*newArgs.begin() == "1")
|
|
{
|
|
return true;
|
|
}
|
|
def = makefile->GetDefinition(args[0].c_str());
|
|
if(cmSystemTools::IsOff(def))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
const char* cmIfCommand::GetVariableOrString(const char* str,
|
|
const cmMakefile* mf)
|
|
{
|
|
const char* def = mf->GetDefinition(str);
|
|
if(!def)
|
|
{
|
|
def = str;
|
|
}
|
|
return def;
|
|
}
|
|
|
|
const char* cmIfCommand::GetVariableOrNumber(const char* str,
|
|
const cmMakefile* mf)
|
|
{
|
|
const char* def = mf->GetDefinition(str);
|
|
if(!def)
|
|
{
|
|
if (atoi(str))
|
|
{
|
|
def = str;
|
|
}
|
|
}
|
|
return def;
|
|
}
|