https://github.com/Kitware/CMake
Tip revision: b369959eb55dbea601315530185cb480c922cc77 authored by Brad King on 08 March 2016, 13:44:49 UTC
CMake 3.5.0
CMake 3.5.0
Tip revision: b369959
cmLocalNinjaGenerator.cxx
/*============================================================================
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 "cmake.h"
#include "cmState.h"
#include <assert.h>
cmLocalNinjaGenerator::cmLocalNinjaGenerator(cmGlobalGenerator* gg,
cmMakefile* mf)
: cmLocalCommonGenerator(gg, mf)
, HomeRelativeOutputPath("")
{
this->TargetImplib = "$TARGET_IMPLIB";
}
//----------------------------------------------------------------------------
// Virtual public methods.
cmLocalNinjaGenerator::~cmLocalNinjaGenerator()
{
}
void cmLocalNinjaGenerator::Generate()
{
// Compute the path to use when referencing the current output
// directory from the top output directory.
this->HomeRelativeOutputPath =
this->Convert(this->GetCurrentBinaryDirectory(), HOME_OUTPUT);
if(this->HomeRelativeOutputPath == ".")
{
this->HomeRelativeOutputPath = "";
}
this->SetConfigName();
this->WriteProcessedMakefile(this->GetBuildFileStream());
#ifdef NINJA_GEN_VERBOSE_FILES
this->WriteProcessedMakefile(this->GetRulesFileStream());
#endif
// We do that only once for the top CMakeLists.txt file.
if(this->IsRootMakefile())
{
this->WriteBuildFileTop();
this->WritePools(this->GetRulesFileStream());
const std::string showIncludesPrefix = this->GetMakefile()
->GetSafeDefinition("CMAKE_CL_SHOWINCLUDES_PREFIX");
if (!showIncludesPrefix.empty())
{
cmGlobalNinjaGenerator::WriteComment(this->GetRulesFileStream(),
"localized /showIncludes string");
this->GetRulesFileStream()
<< "msvc_deps_prefix = " << showIncludesPrefix << "\n\n";
}
}
std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
for(std::vector<cmGeneratorTarget*>::iterator t = targets.begin();
t != targets.end(); ++t)
{
if ((*t)->GetType() == cmState::INTERFACE_LIBRARY)
{
continue;
}
cmNinjaTargetGenerator* tg = cmNinjaTargetGenerator::New(*t);
if(tg)
{
tg->Generate();
// Add the target to "all" if required.
if (!this->GetGlobalNinjaGenerator()->IsExcluded(
this->GetGlobalNinjaGenerator()->GetLocalGenerators()[0],
*t))
this->GetGlobalNinjaGenerator()->AddDependencyToAll(*t);
delete tg;
}
}
this->WriteCustomCommandBuildStatements();
}
// TODO: Picked up from cmLocalUnixMakefileGenerator3. Refactor it.
std::string cmLocalNinjaGenerator
::GetTargetDirectory(cmGeneratorTarget 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());
}
//----------------------------------------------------------------------------
// Virtual protected methods.
std::string
cmLocalNinjaGenerator::ConvertToLinkReference(std::string const& lib,
OutputFormat format)
{
return this->Convert(lib, HOME_OUTPUT, format);
}
std::string
cmLocalNinjaGenerator::ConvertToIncludeReference(std::string const& path,
OutputFormat format,
bool forceFullPaths)
{
return this->Convert(path, forceFullPaths? FULL : HOME_OUTPUT, format);
}
//----------------------------------------------------------------------------
// 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();
}
void cmLocalNinjaGenerator::WriteBuildFileTop()
{
// For the build file.
this->WriteProjectHeader(this->GetBuildFileStream());
this->WriteNinjaRequiredVersion(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->GetProjectName() << std::endl
<< "# Configuration: " << this->ConfigName << std::endl
;
cmGlobalNinjaGenerator::WriteDivider(os);
}
void cmLocalNinjaGenerator::WriteNinjaRequiredVersion(std::ostream& os)
{
// Default required version
std::string requiredVersion =
this->GetGlobalNinjaGenerator()->RequiredNinjaVersion();
// Ninja generator uses the 'console' pool if available (>= 1.5)
if(this->GetGlobalNinjaGenerator()->SupportsConsolePool())
{
requiredVersion =
this->GetGlobalNinjaGenerator()->RequiredNinjaVersionForConsolePool();
}
cmGlobalNinjaGenerator::WriteComment(os,
"Minimal version of Ninja required by this file");
os
<< "ninja_required_version = "
<< requiredVersion
<< std::endl << std::endl
;
}
void cmLocalNinjaGenerator::WritePools(std::ostream& os)
{
cmGlobalNinjaGenerator::WriteDivider(os);
const char* jobpools = this->GetCMakeInstance()->GetState()
->GetGlobalProperty("JOB_POOLS");
if (jobpools)
{
cmGlobalNinjaGenerator::WriteComment(os,
"Pools defined by global property JOB_POOLS");
std::vector<std::string> pools;
cmSystemTools::ExpandListArgument(jobpools, pools);
for (size_t i = 0; i < pools.size(); ++i)
{
const std::string pool = pools[i];
const std::string::size_type eq = pool.find("=");
unsigned int jobs;
if (eq != std::string::npos &&
sscanf(pool.c_str() + eq, "=%u", &jobs) == 1)
{
os << "pool " << pool.substr(0, eq) << std::endl;
os << " depth = " << jobs << std::endl;
os << std::endl;
}
else
{
cmSystemTools::Error("Invalid pool defined by property 'JOB_POOLS': ",
pool.c_str());
}
}
}
}
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::ComputeObjectFilenames(
std::map<cmSourceFile const*, std::string>& mapping,
cmGeneratorTarget const* gt)
{
for(std::map<cmSourceFile const*, std::string>::iterator
si = mapping.begin(); si != mapping.end(); ++si)
{
cmSourceFile const* sf = si->first;
si->second = this->GetObjectFileNameWithoutTarget(*sf,
gt->ObjectDirectory);
}
}
void cmLocalNinjaGenerator::WriteProcessedMakefile(std::ostream& os)
{
cmGlobalNinjaGenerator::WriteDivider(os);
os
<< "# Write statements declared in CMakeLists.txt:" << std::endl
<< "# "
<< this->Makefile->GetDefinition("CMAKE_CURRENT_LIST_FILE") << std::endl;
if(this->IsRootMakefile())
os << "# Which is the root file." << std::endl;
cmGlobalNinjaGenerator::WriteDivider(os);
os << std::endl;
}
void
cmLocalNinjaGenerator
::AppendTargetOutputs(cmGeneratorTarget* target, cmNinjaDeps& outputs)
{
this->GetGlobalNinjaGenerator()->AppendTargetOutputs(target, outputs);
}
void
cmLocalNinjaGenerator
::AppendTargetDepends(cmGeneratorTarget* target, cmNinjaDeps& outputs)
{
this->GetGlobalNinjaGenerator()->AppendTargetDepends(target, outputs);
}
void cmLocalNinjaGenerator::AppendCustomCommandDeps(
cmCustomCommandGenerator const& ccg,
cmNinjaDeps &ninjaDeps)
{
const std::vector<std::string> &deps = ccg.GetDepends();
for (std::vector<std::string>::const_iterator i = deps.begin();
i != deps.end(); ++i) {
std::string dep;
if (this->GetRealDependency(*i, this->GetConfigName(), dep))
ninjaDeps.push_back(
this->GetGlobalNinjaGenerator()->ConvertToNinjaPath(dep));
}
}
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
std::ostringstream cmd;
for (std::vector<std::string>::const_iterator li = cmdLines.begin();
li != cmdLines.end(); ++li)
#ifdef _WIN32
{
if (li != cmdLines.begin())
{
cmd << " && ";
}
else if (cmdLines.size() > 1)
{
cmd << "cmd.exe /C \"";
}
cmd << *li;
}
if (cmdLines.size() > 1)
{
cmd << "\"";
}
#else
{
if (li != cmdLines.begin())
{
cmd << " && ";
}
cmd << *li;
}
#endif
return cmd.str();
}
void cmLocalNinjaGenerator::AppendCustomCommandLines(
cmCustomCommandGenerator const& ccg,
std::vector<std::string> &cmdLines)
{
if (ccg.GetNumberOfCommands() > 0) {
std::string wd = ccg.GetWorkingDirectory();
if (wd.empty())
wd = this->GetCurrentBinaryDirectory();
std::ostringstream cdCmd;
#ifdef _WIN32
std::string cdStr = "cd /D ";
#else
std::string cdStr = "cd ";
#endif
cdCmd << cdStr << this->ConvertToOutputFormat(wd, SHELL);
cmdLines.push_back(cdCmd.str());
}
std::string launcher = this->MakeCustomLauncher(ccg);
for (unsigned i = 0; i != ccg.GetNumberOfCommands(); ++i) {
cmdLines.push_back(launcher +
this->ConvertToOutputFormat(ccg.GetCommand(i), SHELL));
std::string& cmd = cmdLines.back();
ccg.AppendArguments(i, cmd);
}
}
void
cmLocalNinjaGenerator::WriteCustomCommandBuildStatement(
cmCustomCommand const *cc, const cmNinjaDeps& orderOnlyDeps)
{
if (this->GetGlobalNinjaGenerator()->SeenCustomCommand(cc))
return;
cmCustomCommandGenerator ccg(*cc, this->GetConfigName(), this);
const std::vector<std::string> &outputs = ccg.GetOutputs();
const std::vector<std::string> &byproducts = ccg.GetByproducts();
cmNinjaDeps ninjaOutputs(outputs.size()+byproducts.size()), ninjaDeps;
bool symbolic = false;
for (std::vector<std::string>::const_iterator o = outputs.begin();
o != outputs.end(); ++o)
{
if (cmSourceFile* sf = this->Makefile->GetSource(*o))
{
symbolic = sf->GetPropertyAsBool("SYMBOLIC");
}
}
#if 0
#error TODO: Once CC in an ExternalProject target must provide the \
file of each imported target that has an add_dependencies pointing \
at us. How to know which ExternalProject step actually provides it?
#endif
std::transform(outputs.begin(), outputs.end(),
ninjaOutputs.begin(),
this->GetGlobalNinjaGenerator()->MapToNinjaPath());
std::transform(byproducts.begin(), byproducts.end(),
ninjaOutputs.begin() + outputs.size(),
this->GetGlobalNinjaGenerator()->MapToNinjaPath());
this->AppendCustomCommandDeps(ccg, ninjaDeps);
for (cmNinjaDeps::iterator i = ninjaOutputs.begin(); i != ninjaOutputs.end();
++i)
this->GetGlobalNinjaGenerator()->SeenCustomCommandOutput(*i);
std::vector<std::string> cmdLines;
this->AppendCustomCommandLines(ccg, cmdLines);
if (cmdLines.empty()) {
this->GetGlobalNinjaGenerator()->WritePhonyBuild(
this->GetBuildFileStream(),
"Phony custom command for " +
ninjaOutputs[0],
ninjaOutputs,
ninjaDeps,
cmNinjaDeps(),
orderOnlyDeps,
cmNinjaVars());
} else {
this->GetGlobalNinjaGenerator()->WriteCustomCommandBuild(
this->BuildCommandLine(cmdLines),
this->ConstructComment(ccg),
"Custom command for " + ninjaOutputs[0],
cc->GetUsesTerminal(),
/*restat*/!symbolic,
ninjaOutputs,
ninjaDeps,
orderOnlyDeps);
}
}
void cmLocalNinjaGenerator::AddCustomCommandTarget(cmCustomCommand const* cc,
cmGeneratorTarget* 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<cmGeneratorTarget*>::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);
}
}
std::string cmLocalNinjaGenerator::MakeCustomLauncher(
cmCustomCommandGenerator const& ccg)
{
const char* property = "RULE_LAUNCH_CUSTOM";
const char* property_value = this->Makefile->GetProperty(property);
if(!property_value || !*property_value)
{
return std::string();
}
// Expand rules in the empty string. It may insert the launcher and
// perform replacements.
RuleVariables vars;
vars.RuleLauncher = property;
std::string output;
const std::vector<std::string>& outputs = ccg.GetOutputs();
if(!outputs.empty())
{
RelativeRoot relative_root =
ccg.GetWorkingDirectory().empty() ? START_OUTPUT : NONE;
output = this->Convert(outputs[0], relative_root, SHELL);
}
vars.Output = output.c_str();
std::string launcher;
this->ExpandRuleVariables(launcher, vars);
if(!launcher.empty())
{
launcher += " ";
}
return launcher;
}