CMake/Source/cmLocalNinjaGenerator.cxx

425 lines
13 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2011 Peter Collingbourne <peter@pcc.me.uk>
Copyright 2011 Nicolas Despres <nicolas.despres@gmail.com>
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmLocalNinjaGenerator.h"
#include "cmCustomCommandGenerator.h"
#include "cmMakefile.h"
#include "cmGlobalNinjaGenerator.h"
#include "cmNinjaTargetGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmSourceFile.h"
#include "cmComputeLinkInformation.h"
#include "cmake.h"
#include <assert.h>
cmLocalNinjaGenerator::cmLocalNinjaGenerator()
: cmLocalGenerator()
, ConfigName("")
, HomeRelativeOutputPath("")
{
this->IsMakefileGenerator = true;
#ifdef _WIN32
this->WindowsShell = true;
#endif
this->TargetImplib = "$TARGET_IMPLIB";
}
//----------------------------------------------------------------------------
// Virtual public methods.
cmLocalNinjaGenerator::~cmLocalNinjaGenerator()
{
}
void cmLocalNinjaGenerator::Generate()
{
this->SetConfigName();
this->WriteProcessedMakefile(this->GetBuildFileStream());
this->WriteProcessedMakefile(this->GetRulesFileStream());
this->WriteBuildFileTop();
cmTargets& targets = this->GetMakefile()->GetTargets();
for(cmTargets::iterator t = targets.begin(); t != targets.end(); ++t)
{
cmNinjaTargetGenerator* tg = cmNinjaTargetGenerator::New(&t->second);
if(tg)
{
tg->Generate();
// Add the target to "all" if required.
if (!this->GetGlobalNinjaGenerator()->IsExcluded(
this->GetGlobalNinjaGenerator()->LocalGenerators[0],
t->second))
this->GetGlobalNinjaGenerator()->AddDependencyToAll(&t->second);
delete tg;
}
}
this->WriteCustomCommandBuildStatements();
}
// Implemented in:
// cmLocalUnixMakefileGenerator3.
// Used in:
// Source/cmMakefile.cxx
// Source/cmGlobalGenerator.cxx
void cmLocalNinjaGenerator::Configure()
{
// Compute the path to use when referencing the current output
// directory from the top output directory.
this->HomeRelativeOutputPath =
this->Convert(this->Makefile->GetStartOutputDirectory(), HOME_OUTPUT);
if(this->HomeRelativeOutputPath == ".")
{
this->HomeRelativeOutputPath = "";
}
this->cmLocalGenerator::Configure();
}
// TODO: Picked up from cmLocalUnixMakefileGenerator3. Refactor it.
std::string cmLocalNinjaGenerator
::GetTargetDirectory(cmTarget const& target) const
{
std::string dir = cmake::GetCMakeFilesDirectoryPostSlash();
dir += target.GetName();
#if defined(__VMS)
dir += "_dir";
#else
dir += ".dir";
#endif
return dir;
}
//----------------------------------------------------------------------------
// Non-virtual public methods.
const cmGlobalNinjaGenerator*
cmLocalNinjaGenerator::GetGlobalNinjaGenerator() const
{
return
static_cast<const cmGlobalNinjaGenerator*>(this->GetGlobalGenerator());
}
cmGlobalNinjaGenerator* cmLocalNinjaGenerator::GetGlobalNinjaGenerator()
{
return static_cast<cmGlobalNinjaGenerator*>(this->GetGlobalGenerator());
}
// TODO: Picked up from cmLocalUnixMakefileGenerator3. Refactor it.
std::string
cmLocalNinjaGenerator
::GetObjectFileName(const cmTarget& target,
const cmSourceFile& source)
{
// Make sure we never hit this old case.
if(source.GetProperty("MACOSX_PACKAGE_LOCATION"))
{
std::string msg = "MACOSX_PACKAGE_LOCATION set on source file: ";
msg += source.GetFullPath();
this->GetMakefile()->IssueMessage(cmake::INTERNAL_ERROR,
msg.c_str());
}
// Start with the target directory.
std::string obj = this->GetTargetDirectory(target);
obj += "/";
// Get the object file name without the target directory.
std::string dir_max;
dir_max += this->Makefile->GetCurrentOutputDirectory();
dir_max += "/";
dir_max += obj;
std::string objectName =
this->GetObjectFileNameWithoutTarget(source, dir_max, 0);
// Append the object name to the target directory.
obj += objectName;
return obj;
}
//----------------------------------------------------------------------------
// Virtual protected methods.
std::string
cmLocalNinjaGenerator::ConvertToLinkReference(std::string const& lib)
{
return this->Convert(lib.c_str(), HOME_OUTPUT, SHELL);
}
std::string
cmLocalNinjaGenerator::ConvertToIncludeReference(std::string const& path)
{
return this->Convert(path.c_str(), HOME_OUTPUT, SHELL);
}
//----------------------------------------------------------------------------
// Private methods.
cmGeneratedFileStream& cmLocalNinjaGenerator::GetBuildFileStream() const
{
return *this->GetGlobalNinjaGenerator()->GetBuildFileStream();
}
cmGeneratedFileStream& cmLocalNinjaGenerator::GetRulesFileStream() const
{
return *this->GetGlobalNinjaGenerator()->GetRulesFileStream();
}
const cmake* cmLocalNinjaGenerator::GetCMakeInstance() const
{
return this->GetGlobalGenerator()->GetCMakeInstance();
}
cmake* cmLocalNinjaGenerator::GetCMakeInstance()
{
return this->GetGlobalGenerator()->GetCMakeInstance();
}
bool cmLocalNinjaGenerator::isRootMakefile() const
{
return (strcmp(this->Makefile->GetCurrentDirectory(),
this->GetCMakeInstance()->GetHomeDirectory()) == 0);
}
void cmLocalNinjaGenerator::WriteBuildFileTop()
{
// We do that only once for the top CMakeLists.txt file.
if(!this->isRootMakefile())
return;
// For the build file.
this->WriteProjectHeader(this->GetBuildFileStream());
this->WriteNinjaFilesInclusion(this->GetBuildFileStream());
// For the rule file.
this->WriteProjectHeader(this->GetRulesFileStream());
}
void cmLocalNinjaGenerator::WriteProjectHeader(std::ostream& os)
{
cmGlobalNinjaGenerator::WriteDivider(os);
os
<< "# Project: " << this->GetMakefile()->GetProjectName() << std::endl
<< "# Configuration: " << this->ConfigName << std::endl
;
cmGlobalNinjaGenerator::WriteDivider(os);
}
void cmLocalNinjaGenerator::WriteNinjaFilesInclusion(std::ostream& os)
{
cmGlobalNinjaGenerator::WriteDivider(os);
os
<< "# Include auxiliary files.\n"
<< "\n"
;
cmGlobalNinjaGenerator::WriteInclude(os,
cmGlobalNinjaGenerator::NINJA_RULES_FILE,
"Include rules file.");
os << "\n";
}
void cmLocalNinjaGenerator::SetConfigName()
{
// Store the configuration name that will be generated.
if(const char* config =
this->GetMakefile()->GetDefinition("CMAKE_BUILD_TYPE"))
{
// Use the build type given by the user.
this->ConfigName = config;
}
else
{
// No configuration type given.
this->ConfigName = "";
}
}
void cmLocalNinjaGenerator::WriteProcessedMakefile(std::ostream& os)
{
cmGlobalNinjaGenerator::WriteDivider(os);
os
<< "# Write statements declared in CMakeLists.txt:" << std::endl
<< "# " << this->Makefile->GetCurrentListFile() << std::endl
;
if(this->isRootMakefile())
os << "# Which is the root file." << std::endl;
cmGlobalNinjaGenerator::WriteDivider(os);
os << std::endl;
}
std::string cmLocalNinjaGenerator::ConvertToNinjaPath(const char *path)
{
std::string convPath = this->Convert(path, cmLocalGenerator::HOME_OUTPUT);
#ifdef _WIN32
cmSystemTools::ReplaceString(convPath, "/", "\\");
#endif
return convPath;
}
void
cmLocalNinjaGenerator
::AppendTargetOutputs(cmTarget* target, cmNinjaDeps& outputs)
{
this->GetGlobalNinjaGenerator()->AppendTargetOutputs(target, outputs);
}
void
cmLocalNinjaGenerator
::AppendTargetDepends(cmTarget* target, cmNinjaDeps& outputs)
{
this->GetGlobalNinjaGenerator()->AppendTargetDepends(target, outputs);
}
void cmLocalNinjaGenerator::AppendCustomCommandDeps(const cmCustomCommand *cc,
cmNinjaDeps &ninjaDeps)
{
const std::vector<std::string> &deps = cc->GetDepends();
for (std::vector<std::string>::const_iterator i = deps.begin();
i != deps.end(); ++i) {
std::string dep;
if (this->GetRealDependency(i->c_str(), this->GetConfigName(), dep))
ninjaDeps.push_back(ConvertToNinjaPath(dep.c_str()));
}
}
std::string cmLocalNinjaGenerator::BuildCommandLine(
const std::vector<std::string> &cmdLines)
{
// If we have no commands but we need to build a command anyway, use ":".
// This happens when building a POST_BUILD value for link targets that
// don't use POST_BUILD.
if (cmdLines.empty())
#ifdef _WIN32
return "cd.";
#else
return ":";
#endif
// TODO: This will work only on Unix platforms. I don't
// want to use a link.txt file because I will lose the benefit of the
// $in variables. A discussion about dealing with multiple commands in
// a rule is started here:
// groups.google.com/group/ninja-build/browse_thread/thread/d515f23a78986008
std::ostringstream cmd;
for (std::vector<std::string>::const_iterator li = cmdLines.begin();
li != cmdLines.end(); ++li) {
if (li != cmdLines.begin())
cmd << " && ";
cmd << *li;
}
return cmd.str();
}
void cmLocalNinjaGenerator::AppendCustomCommandLines(const cmCustomCommand *cc,
std::vector<std::string> &cmdLines)
{
cmCustomCommandGenerator ccg(*cc, this->GetConfigName(), this->Makefile);
if (ccg.GetNumberOfCommands() > 0) {
const char* wd = cc->GetWorkingDirectory();
if (!wd)
wd = this->GetMakefile()->GetStartOutputDirectory();
std::ostringstream cdCmd;
cdCmd << "cd " << this->ConvertToOutputFormat(wd, SHELL);
cmdLines.push_back(cdCmd.str());
}
for (unsigned i = 0; i != ccg.GetNumberOfCommands(); ++i) {
cmdLines.push_back(this->ConvertToOutputFormat(ccg.GetCommand(i).c_str(),
SHELL));
std::string& cmd = cmdLines.back();
ccg.AppendArguments(i, cmd);
}
}
void
cmLocalNinjaGenerator::WriteCustomCommandBuildStatement(cmCustomCommand *cc,
const cmNinjaDeps& orderOnlyDeps)
{
if (this->GetGlobalNinjaGenerator()->SeenCustomCommand(cc))
return;
const std::vector<std::string> &outputs = cc->GetOutputs();
cmNinjaDeps ninjaOutputs(outputs.size()), ninjaDeps;
std::transform(outputs.begin(), outputs.end(),
ninjaOutputs.begin(), MapToNinjaPath());
this->AppendCustomCommandDeps(cc, ninjaDeps);
for (cmNinjaDeps::iterator i = ninjaOutputs.begin(); i != ninjaOutputs.end();
++i)
this->GetGlobalNinjaGenerator()->SeenCustomCommandOutput(*i);
std::vector<std::string> cmdLines;
this->AppendCustomCommandLines(cc, cmdLines);
if (cmdLines.empty()) {
cmGlobalNinjaGenerator::WritePhonyBuild(this->GetBuildFileStream(),
"Phony custom command for " +
ninjaOutputs[0],
ninjaOutputs,
ninjaDeps,
cmNinjaDeps(),
orderOnlyDeps,
cmNinjaVars());
} else {
this->GetGlobalNinjaGenerator()->WriteCustomCommandBuild(
this->BuildCommandLine(cmdLines),
this->ConstructComment(*cc),
"Custom command for " + ninjaOutputs[0],
ninjaOutputs,
ninjaDeps,
orderOnlyDeps);
}
}
void cmLocalNinjaGenerator::AddCustomCommandTarget(cmCustomCommand* cc,
cmTarget* target)
{
this->CustomCommandTargets[cc].insert(target);
}
void cmLocalNinjaGenerator::WriteCustomCommandBuildStatements()
{
for (CustomCommandTargetMap::iterator i = this->CustomCommandTargets.begin();
i != this->CustomCommandTargets.end(); ++i) {
// A custom command may appear on multiple targets. However, some build
// systems exist where the target dependencies on some of the targets are
// overspecified, leading to a dependency cycle. If we assume all target
// dependencies are a superset of the true target dependencies for this
// custom command, we can take the set intersection of all target
// dependencies to obtain a correct dependency list.
//
// FIXME: This won't work in certain obscure scenarios involving indirect
// dependencies.
std::set<cmTarget*>::iterator j = i->second.begin();
assert(j != i->second.end());
std::vector<std::string> ccTargetDeps;
this->AppendTargetDepends(*j, ccTargetDeps);
std::sort(ccTargetDeps.begin(), ccTargetDeps.end());
++j;
for (; j != i->second.end(); ++j) {
std::vector<std::string> jDeps, depsIntersection;
this->AppendTargetDepends(*j, jDeps);
std::sort(jDeps.begin(), jDeps.end());
std::set_intersection(ccTargetDeps.begin(), ccTargetDeps.end(),
jDeps.begin(), jDeps.end(),
std::back_inserter(depsIntersection));
ccTargetDeps = depsIntersection;
}
this->WriteCustomCommandBuildStatement(i->first, ccTargetDeps);
}
}