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/*=========================================================================
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 "cmMacroCommand.h"
bool cmMacroFunctionBlocker::
IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
{
// record commands until we hit the ENDMACRO
if (!m_Executing)
{
// at the ENDMACRO call we shift gears and start looking for invocations
if(lff.m_Name == "ENDMACRO")
{
std::vector<std::string> expandedArguments;
mf.ExpandArguments(lff.m_Arguments, expandedArguments);
if(!expandedArguments.empty() && (expandedArguments[0] == m_Args[0]))
{
m_Executing = true;
std::string name = m_Args[0];
std::vector<std::string>::size_type cc;
name += "(";
for ( cc = 0; cc < m_Args.size(); cc ++ )
{
name += " " + m_Args[cc];
}
name += " )";
mf.AddMacro(m_Args[0].c_str(), name.c_str());
return true;
}
}
// if it wasn't an endmacro and we are not executing then we must be
// recording
m_Functions.push_back(lff);
return true;
}
// otherwise the macro has been recorded and we are executing
// so we look for macro invocations
if(lff.m_Name == m_Args[0])
{
std::string tmps;
cmListFileArgument arg;
std::string variable;
// Expand the argument list to the macro.
std::vector<std::string> expandedArguments;
mf.ExpandArguments(lff.m_Arguments, expandedArguments);
// make sure the number of arguments passed is at least the number
// required by the signature
if (expandedArguments.size() < m_Args.size() - 1)
{
cmOStringStream error;
error << "Error in cmake code at\n"
<< lff.m_FilePath << ":" << lff.m_Line << ":\n"
<< "Invocation of macro \""
<< lff.m_Name.c_str() << "\" with incorrect number of arguments.";
cmSystemTools::Error(error.str().c_str());
return true;
}
// set the value of argc
cmOStringStream argcDefStream;
argcDefStream << expandedArguments.size();
std::string argcDef = argcDefStream.str();
// declare varuiables for ARGV ARGN but do not compute until needed
std::string argvDef;
std::string argnDef;
bool argnDefInitialized = false;
bool argvDefInitialized = false;
// Invoke all the functions that were collected in the block.
cmListFileFunction newLFF;
// for each function
for(unsigned int c = 0; c < m_Functions.size(); ++c)
{
// Replace the formal arguments and then invoke the command.
newLFF.m_Arguments.clear();
newLFF.m_Arguments.reserve(m_Functions[c].m_Arguments.size());
newLFF.m_Name = m_Functions[c].m_Name;
newLFF.m_FilePath = m_Functions[c].m_FilePath;
newLFF.m_Line = m_Functions[c].m_Line;
// for each argument of the current function
for (std::vector<cmListFileArgument>::const_iterator k =
m_Functions[c].m_Arguments.begin();
k != m_Functions[c].m_Arguments.end(); ++k)
{
tmps = k->Value;
// replace formal arguments
for (unsigned int j = 1; j < m_Args.size(); ++j)
{
variable = "${";
variable += m_Args[j];
variable += "}";
cmSystemTools::ReplaceString(tmps, variable.c_str(),
expandedArguments[j-1].c_str());
}
// replace argc
cmSystemTools::ReplaceString(tmps, "${ARGC}",argcDef.c_str());
// repleace ARGN
if (tmps.find("${ARGN}") != std::string::npos)
{
if (!argnDefInitialized)
{
std::vector<std::string>::iterator eit;
std::vector<std::string>::size_type cnt = 0;
for ( eit = expandedArguments.begin();
eit != expandedArguments.end();
++ eit )
{
if ( cnt >= m_Args.size()-1 )
{
if ( argnDef.size() > 0 )
{
argnDef += ";";
}
argnDef += *eit;
}
cnt ++;
}
argnDefInitialized = true;
}
cmSystemTools::ReplaceString(tmps, "${ARGN}", argnDef.c_str());
}
// if the current argument of the current function has ${ARGV in it
// then try replacing ARGV values
if (tmps.find("${ARGV") != std::string::npos)
{
char argvName[60];
// repleace ARGV, compute it only once
if (!argvDefInitialized)
{
std::vector<std::string>::iterator eit;
for ( eit = expandedArguments.begin();
eit != expandedArguments.end();
++ eit )
{
if ( argvDef.size() > 0 )
{
argvDef += ";";
}
argvDef += *eit;
}
argvDefInitialized = true;
}
cmSystemTools::ReplaceString(tmps, "${ARGV}", argvDef.c_str());
// also replace the ARGV1 ARGV2 ... etc
for (unsigned int t = 0; t < expandedArguments.size(); ++t)
{
sprintf(argvName,"${ARGV%i}",t);
cmSystemTools::ReplaceString(tmps, argvName,
expandedArguments[t].c_str());
}
}
arg.Value = tmps;
arg.Quoted = k->Quoted;
const char* def =
mf.GetDefinition("CMAKE_MACRO_REPORT_DEFINITION_LOCATION");
if(def && !cmSystemTools::IsOff(def))
{
// Report the location of the argument where the macro was
// defined.
arg.FilePath = k->FilePath;
arg.Line = k->Line;
}
else
{
// Report the location of the argument where the macro was
// invoked.
arg.FilePath = lff.m_FilePath;
arg.Line = lff.m_Line;
}
newLFF.m_Arguments.push_back(arg);
}
if(!mf.ExecuteCommand(newLFF))
{
cmOStringStream error;
error << "Error in cmake code at\n"
<< lff.m_FilePath << ":" << lff.m_Line << ":\n"
<< "A command failed during the invocation of macro \""
<< lff.m_Name.c_str() << "\".";
cmSystemTools::Error(error.str().c_str());
}
}
return true;
}
// if not an invocation then it is just an ordinary line
return false;
}
bool cmMacroFunctionBlocker::
ShouldRemove(const cmListFileFunction&, cmMakefile &)
{
return false;
}
void cmMacroFunctionBlocker::
ScopeEnded(cmMakefile &mf)
{
// macros never leave scope but we should have seen the ENDMACRO call by now
if (m_Executing != true)
{
cmSystemTools::Error("The end of a CMakeLists file was reached with a MACRO statement that was not closed properly. Within the directory: ",
mf.GetCurrentDirectory(), " with macro ",
m_Args[0].c_str());
}
}
bool cmMacroCommand::InitialPass(std::vector<std::string> const& args)
{
if(args.size() < 1)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// create a function blocker
cmMacroFunctionBlocker *f = new cmMacroFunctionBlocker();
for(std::vector<std::string>::const_iterator j = args.begin();
j != args.end(); ++j)
{
f->m_Args.push_back(*j);
}
m_Makefile->AddFunctionBlocker(f);
return true;
}
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