283 lines
7.8 KiB
C++
283 lines
7.8 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 "cmFunctionCommand.h"
|
|
|
|
#include "cmake.h"
|
|
|
|
// define the class for function commands
|
|
class cmFunctionHelperCommand : public cmCommand
|
|
{
|
|
public:
|
|
cmFunctionHelperCommand() {}
|
|
|
|
///! clean up any memory allocated by the function
|
|
~cmFunctionHelperCommand() {};
|
|
|
|
/**
|
|
* This is a virtual constructor for the command.
|
|
*/
|
|
virtual cmCommand* Clone()
|
|
{
|
|
cmFunctionHelperCommand *newC = new cmFunctionHelperCommand;
|
|
// we must copy when we clone
|
|
newC->Args = this->Args;
|
|
newC->Functions = this->Functions;
|
|
return newC;
|
|
}
|
|
|
|
/**
|
|
* This determines if the command is invoked when in script mode.
|
|
*/
|
|
virtual bool IsScriptable() { return true; }
|
|
|
|
/**
|
|
* This is called when the command is first encountered in
|
|
* the CMakeLists.txt file.
|
|
*/
|
|
virtual bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
|
|
cmExecutionStatus &);
|
|
|
|
virtual bool InitialPass(std::vector<std::string> const&,
|
|
cmExecutionStatus &) { return false; };
|
|
|
|
/**
|
|
* The name of the command as specified in CMakeList.txt.
|
|
*/
|
|
virtual const char* GetName() { return this->Args[0].c_str(); }
|
|
|
|
/**
|
|
* Succinct documentation.
|
|
*/
|
|
virtual const char* GetTerseDocumentation()
|
|
{
|
|
std::string docs = "Function named: ";
|
|
docs += this->GetName();
|
|
return docs.c_str();
|
|
}
|
|
|
|
/**
|
|
* More documentation.
|
|
*/
|
|
virtual const char* GetFullDocumentation()
|
|
{
|
|
return this->GetTerseDocumentation();
|
|
}
|
|
|
|
cmTypeMacro(cmFunctionHelperCommand, cmCommand);
|
|
|
|
std::vector<std::string> Args;
|
|
std::vector<cmListFileFunction> Functions;
|
|
};
|
|
|
|
|
|
bool cmFunctionHelperCommand::InvokeInitialPass
|
|
(const std::vector<cmListFileArgument>& args,
|
|
cmExecutionStatus & inStatus)
|
|
{
|
|
// Expand the argument list to the function.
|
|
std::vector<std::string> expandedArgs;
|
|
this->Makefile->ExpandArguments(args, expandedArgs);
|
|
|
|
// make sure the number of arguments passed is at least the number
|
|
// required by the signature
|
|
if (expandedArgs.size() < this->Args.size() - 1)
|
|
{
|
|
std::string errorMsg =
|
|
"Function invoked with incorrect arguments for function named: ";
|
|
errorMsg += this->Args[0];
|
|
this->SetError(errorMsg.c_str());
|
|
return false;
|
|
}
|
|
|
|
// we push a scope on the makefile
|
|
cmMakefile::LexicalPushPop lexScope(this->Makefile);
|
|
cmMakefile::ScopePushPop varScope(this->Makefile);
|
|
static_cast<void>(varScope);
|
|
|
|
// set the value of argc
|
|
cmOStringStream strStream;
|
|
strStream << expandedArgs.size();
|
|
this->Makefile->AddDefinition("ARGC",strStream.str().c_str());
|
|
|
|
// set the values for ARGV0 ARGV1 ...
|
|
for (unsigned int t = 0; t < expandedArgs.size(); ++t)
|
|
{
|
|
cmOStringStream tmpStream;
|
|
tmpStream << "ARGV" << t;
|
|
this->Makefile->AddDefinition(tmpStream.str().c_str(),
|
|
expandedArgs[t].c_str());
|
|
}
|
|
|
|
// define the formal arguments
|
|
for (unsigned int j = 1; j < this->Args.size(); ++j)
|
|
{
|
|
this->Makefile->AddDefinition(this->Args[j].c_str(),
|
|
expandedArgs[j-1].c_str());
|
|
}
|
|
|
|
// define ARGV and ARGN
|
|
std::vector<std::string>::const_iterator eit;
|
|
std::string argvDef;
|
|
std::string argnDef;
|
|
unsigned int cnt = 0;
|
|
for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
|
|
{
|
|
if ( argvDef.size() > 0 )
|
|
{
|
|
argvDef += ";";
|
|
}
|
|
argvDef += *eit;
|
|
if ( cnt >= this->Args.size()-1 )
|
|
{
|
|
if ( argnDef.size() > 0 )
|
|
{
|
|
argnDef += ";";
|
|
}
|
|
argnDef += *eit;
|
|
}
|
|
cnt ++;
|
|
}
|
|
this->Makefile->AddDefinition("ARGV", argvDef.c_str());
|
|
this->Makefile->AddDefinition("ARGN", argnDef.c_str());
|
|
|
|
// Invoke all the functions that were collected in the block.
|
|
// for each function
|
|
for(unsigned int c = 0; c < this->Functions.size(); ++c)
|
|
{
|
|
cmExecutionStatus status;
|
|
if (!this->Makefile->ExecuteCommand(this->Functions[c],status) ||
|
|
status.GetNestedError())
|
|
{
|
|
// The error message should have already included the call stack
|
|
// so we do not need to report an error here.
|
|
lexScope.Quiet();
|
|
inStatus.SetNestedError(true);
|
|
return false;
|
|
}
|
|
if (status.GetReturnInvoked())
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// pop scope on the makefile
|
|
return true;
|
|
}
|
|
|
|
bool cmFunctionFunctionBlocker::
|
|
IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
|
|
cmExecutionStatus &)
|
|
{
|
|
// record commands until we hit the ENDFUNCTION
|
|
// at the ENDFUNCTION call we shift gears and start looking for invocations
|
|
if(!cmSystemTools::Strucmp(lff.Name.c_str(),"function"))
|
|
{
|
|
this->Depth++;
|
|
}
|
|
else if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endfunction"))
|
|
{
|
|
// if this is the endfunction for this function then execute
|
|
if (!this->Depth)
|
|
{
|
|
std::string name = this->Args[0];
|
|
std::vector<std::string>::size_type cc;
|
|
name += "(";
|
|
for ( cc = 0; cc < this->Args.size(); cc ++ )
|
|
{
|
|
name += " " + this->Args[cc];
|
|
}
|
|
name += " )";
|
|
|
|
// create a new command and add it to cmake
|
|
cmFunctionHelperCommand *f = new cmFunctionHelperCommand();
|
|
f->Args = this->Args;
|
|
f->Functions = this->Functions;
|
|
|
|
// Set the FilePath on the arguments to match the function since it is
|
|
// not stored and the original values may be freed
|
|
for (unsigned int i = 0; i < f->Functions.size(); ++i)
|
|
{
|
|
for (unsigned int j = 0; j < f->Functions[i].Arguments.size(); ++j)
|
|
{
|
|
f->Functions[i].Arguments[j].FilePath =
|
|
f->Functions[i].FilePath.c_str();
|
|
}
|
|
}
|
|
|
|
std::string newName = "_" + this->Args[0];
|
|
mf.GetCMakeInstance()->RenameCommand(this->Args[0].c_str(),
|
|
newName.c_str());
|
|
mf.AddCommand(f);
|
|
|
|
// remove the function blocker now that the function is defined
|
|
mf.RemoveFunctionBlocker(this, lff);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// decrement for each nested function that ends
|
|
this->Depth--;
|
|
}
|
|
}
|
|
|
|
// if it wasn't an endfunction and we are not executing then we must be
|
|
// recording
|
|
this->Functions.push_back(lff);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool cmFunctionFunctionBlocker::
|
|
ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf)
|
|
{
|
|
if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endfunction"))
|
|
{
|
|
std::vector<std::string> expandedArguments;
|
|
mf.ExpandArguments(lff.Arguments, expandedArguments);
|
|
// if the endfunction has arguments then make sure
|
|
// they match the ones in the openeing function command
|
|
if ((expandedArguments.empty() ||
|
|
(expandedArguments[0] == this->Args[0])))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool cmFunctionCommand
|
|
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
|
|
{
|
|
if(args.size() < 1)
|
|
{
|
|
this->SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
|
|
// create a function blocker
|
|
cmFunctionFunctionBlocker *f = new cmFunctionFunctionBlocker();
|
|
for(std::vector<std::string>::const_iterator j = args.begin();
|
|
j != args.end(); ++j)
|
|
{
|
|
f->Args.push_back(*j);
|
|
}
|
|
this->Makefile->AddFunctionBlocker(f);
|
|
return true;
|
|
}
|
|
|