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CMake/Source/cmGlobalNinjaGenerator.h

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/*============================================================================
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.
============================================================================*/
#ifndef cmGlobalNinjaGenerator_h
# define cmGlobalNinjaGenerator_h
# include "cmGlobalCommonGenerator.h"
# include "cmGlobalGeneratorFactory.h"
# include "cmNinjaTypes.h"
//#define NINJA_GEN_VERBOSE_FILES
class cmLocalGenerator;
class cmGeneratedFileStream;
class cmGeneratorTarget;
/**
* \class cmGlobalNinjaGenerator
* \brief Write a build.ninja file.
*
* The main differences between this generator and the UnixMakefile
* generator family are:
* - We don't care about VERBOSE variable or RULE_MESSAGES property since
* it is handle by Ninja's -v option.
* - We don't care about computing any progress status since Ninja manages
* it itself.
* - We don't care about generating a clean target since Ninja already have
* a clean tool.
* - We generate one build.ninja and one rules.ninja per project.
* - We try to minimize the number of generated rules: one per target and
* language.
* - We use Ninja special variable $in and $out to produce nice output.
* - We extensively use Ninja variable overloading system to minimize the
* number of generated rules.
*/
class cmGlobalNinjaGenerator : public cmGlobalCommonGenerator
{
public:
/// The default name of Ninja's build file. Typically: build.ninja.
static const char* NINJA_BUILD_FILE;
/// The default name of Ninja's rules file. Typically: rules.ninja.
/// It is included in the main build.ninja file.
static const char* NINJA_RULES_FILE;
/// The indentation string used when generating Ninja's build file.
static const char* INDENT;
/// Write @a count times INDENT level to output stream @a os.
static void Indent(std::ostream& os, int count);
/// Write a divider in the given output stream @a os.
static void WriteDivider(std::ostream& os);
static std::string EncodeRuleName(std::string const& name);
static std::string EncodeIdent(const std::string &ident, std::ostream &vars);
static std::string EncodeLiteral(const std::string &lit);
std::string EncodePath(const std::string &path);
static std::string EncodeDepfileSpace(const std::string &path);
/**
* Write the given @a comment to the output stream @a os. It
* handles new line character properly.
*/
static void WriteComment(std::ostream& os, const std::string& comment);
/**
* Utilized by the generator factory to determine if this generator
* supports toolsets.
*/
static bool SupportsToolset() { return false; }
/**
* Write a build statement to @a os with the @a comment using
* the @a rule the list of @a outputs files and inputs.
* It also writes the variables bound to this build statement.
* @warning no escaping of any kind is done here.
*/
void WriteBuild(std::ostream& os,
const std::string& comment,
const std::string& rule,
const cmNinjaDeps& outputs,
const cmNinjaDeps& explicitDeps,
const cmNinjaDeps& implicitDeps,
const cmNinjaDeps& orderOnlyDeps,
const cmNinjaVars& variables,
const std::string& rspfile = std::string(),
int cmdLineLimit = -1,
bool* usedResponseFile = 0);
/**
* Helper to write a build statement with the special 'phony' rule.
*/
void WritePhonyBuild(std::ostream& os,
const std::string& comment,
const cmNinjaDeps& outputs,
const cmNinjaDeps& explicitDeps,
const cmNinjaDeps& implicitDeps = cmNinjaDeps(),
const cmNinjaDeps& orderOnlyDeps = cmNinjaDeps(),
const cmNinjaVars& variables = cmNinjaVars());
void WriteCustomCommandBuild(const std::string& command,
const std::string& description,
const std::string& comment,
bool uses_terminal,
const cmNinjaDeps& outputs,
const cmNinjaDeps& deps = cmNinjaDeps(),
const cmNinjaDeps& orderOnly = cmNinjaDeps());
void WriteMacOSXContentBuild(const std::string& input,
const std::string& output);
/**
* Write a rule statement named @a name to @a os with the @a comment,
* the mandatory @a command, the @a depfile and the @a description.
* It also writes the variables bound to this rule statement.
* @warning no escaping of any kind is done here.
*/
static void WriteRule(std::ostream& os,
const std::string& name,
const std::string& command,
const std::string& description,
const std::string& comment,
const std::string& depfile,
const std::string& deptype,
const std::string& rspfile,
const std::string& rspcontent,
const std::string& restat,
bool generator);
/**
* Write a variable named @a name to @a os with value @a value and an
* optional @a comment. An @a indent level can be specified.
* @warning no escaping of any kind is done here.
*/
static void WriteVariable(std::ostream& os,
const std::string& name,
const std::string& value,
const std::string& comment = "",
int indent = 0);
/**
* Write an include statement including @a filename with an optional
* @a comment to the @a os stream.
*/
static void WriteInclude(std::ostream& os,
const std::string& filename,
const std::string& comment = "");
/**
* Write a default target statement specifying @a targets as
* the default targets.
*/
static void WriteDefault(std::ostream& os,
const cmNinjaDeps& targets,
const std::string& comment = "");
bool IsGCCOnWindows() const { return UsingGCCOnWindows; }
public:
cmGlobalNinjaGenerator(cmake* cm);
static cmGlobalGeneratorFactory* NewFactory() {
return new cmGlobalGeneratorSimpleFactory<cmGlobalNinjaGenerator>(); }
virtual ~cmGlobalNinjaGenerator() { }
virtual cmLocalGenerator* CreateLocalGenerator(cmMakefile* mf);
virtual std::string GetName() const {
return cmGlobalNinjaGenerator::GetActualName(); }
static std::string GetActualName() { return "Ninja"; }
static void GetDocumentation(cmDocumentationEntry& entry);
virtual void EnableLanguage(std::vector<std::string>const& languages,
cmMakefile* mf,
bool optional);
virtual void GenerateBuildCommand(
std::vector<std::string>& makeCommand,
const std::string& makeProgram,
const std::string& projectName,
const std::string& projectDir,
const std::string& targetName,
const std::string& config,
bool fast, bool verbose,
std::vector<std::string> const& makeOptions = std::vector<std::string>()
);
// Setup target names
virtual const char* GetAllTargetName() const { return "all"; }
virtual const char* GetInstallTargetName() const { return "install"; }
virtual const char* GetInstallLocalTargetName() const {
return "install/local";
}
virtual const char* GetInstallStripTargetName() const {
return "install/strip";
}
virtual const char* GetTestTargetName() const { return "test"; }
virtual const char* GetPackageTargetName() const { return "package"; }
virtual const char* GetPackageSourceTargetName() const {
return "package_source";
}
virtual const char* GetEditCacheTargetName() const {
return "edit_cache";
}
virtual const char* GetRebuildCacheTargetName() const {
return "rebuild_cache";
}
virtual const char* GetCleanTargetName() const { return "clean"; }
cmGeneratedFileStream* GetBuildFileStream() const {
return this->BuildFileStream; }
cmGeneratedFileStream* GetRulesFileStream() const {
return this->RulesFileStream; }
std::string ConvertToNinjaPath(const std::string& path);
struct MapToNinjaPathImpl {
cmGlobalNinjaGenerator* GG;
MapToNinjaPathImpl(cmGlobalNinjaGenerator* gg): GG(gg) {}
std::string operator()(std::string const& path) {
return this->GG->ConvertToNinjaPath(path);
}
};
MapToNinjaPathImpl MapToNinjaPath() {
return MapToNinjaPathImpl(this);
}
void AddCXXCompileCommand(const std::string &commandLine,
const std::string &sourceFile);
/**
* Add a rule to the generated build system.
* Call WriteRule() behind the scene but perform some check before like:
* - Do not add twice the same rule.
*/
void AddRule(const std::string& name,
const std::string& command,
const std::string& description,
const std::string& comment,
const std::string& depfile,
const std::string& deptype,
const std::string& rspfile,
const std::string& rspcontent,
const std::string& restat,
bool generator);
bool HasRule(const std::string& name);
void AddCustomCommandRule();
void AddMacOSXContentRule();
bool HasCustomCommandOutput(const std::string &output) {
return this->CustomCommandOutputs.find(output) !=
this->CustomCommandOutputs.end();
}
/// Called when we have seen the given custom command. Returns true
/// if we has seen it before.
bool SeenCustomCommand(cmCustomCommand const *cc) {
return !this->CustomCommands.insert(cc).second;
}
/// Called when we have seen the given custom command output.
void SeenCustomCommandOutput(const std::string &output) {
this->CustomCommandOutputs.insert(output);
// We don't need the assumed dependencies anymore, because we have
// an output.
this->AssumedSourceDependencies.erase(output);
}
void AddAssumedSourceDependencies(const std::string &source,
const cmNinjaDeps &deps) {
std::set<std::string> &ASD = this->AssumedSourceDependencies[source];
// Because we may see the same source file multiple times (same source
// specified in multiple targets), compute the union of any assumed
// dependencies.
ASD.insert(deps.begin(), deps.end());
}
void AppendTargetOutputs(cmGeneratorTarget const* target,
cmNinjaDeps& outputs);
void AppendTargetDepends(cmGeneratorTarget const* target,
cmNinjaDeps& outputs);
void AddDependencyToAll(cmGeneratorTarget* target);
void AddDependencyToAll(const std::string& input);
const std::vector<cmLocalGenerator*>& GetLocalGenerators() const {
return LocalGenerators; }
bool IsExcluded(cmLocalGenerator* root, cmGeneratorTarget* target) {
return cmGlobalGenerator::IsExcluded(root, target); }
int GetRuleCmdLength(const std::string& name) {
return RuleCmdLength[name]; }
void AddTargetAlias(const std::string& alias, cmGeneratorTarget* target);
virtual void ComputeTargetObjectDirectory(cmGeneratorTarget* gt) const;
// Ninja generator uses 'deps' and 'msvc_deps_prefix' introduced in 1.3
static std::string RequiredNinjaVersion() { return "1.3"; }
static std::string RequiredNinjaVersionForConsolePool() { return "1.5"; }
bool SupportsConsolePool() const;
protected:
virtual void Generate();
virtual bool CheckALLOW_DUPLICATE_CUSTOM_TARGETS() const { return true; }
private:
virtual std::string GetEditCacheCommand() const;
virtual void FindMakeProgram(cmMakefile* mf);
void OpenBuildFileStream();
void CloseBuildFileStream();
void CloseCompileCommandsStream();
void OpenRulesFileStream();
void CloseRulesFileStream();
/// Write the common disclaimer text at the top of each build file.
void WriteDisclaimer(std::ostream& os);
void WriteAssumedSourceDependencies();
void WriteTargetAliases(std::ostream& os);
void WriteUnknownExplicitDependencies(std::ostream& os);
void WriteBuiltinTargets(std::ostream& os);
void WriteTargetAll(std::ostream& os);
void WriteTargetRebuildManifest(std::ostream& os);
void WriteTargetClean(std::ostream& os);
void WriteTargetHelp(std::ostream& os);
std::string ninjaCmd() const;
/// The file containing the build statement. (the relationship of the
/// compilation DAG).
cmGeneratedFileStream* BuildFileStream;
/// The file containing the rule statements. (The action attached to each
/// edge of the compilation DAG).
cmGeneratedFileStream* RulesFileStream;
cmGeneratedFileStream* CompileCommandsStream;
/// The type used to store the set of rules added to the generated build
/// system.
typedef std::set<std::string> RulesSetType;
/// The set of rules added to the generated build system.
RulesSetType Rules;
/// Length of rule command, used by rsp file evaluation
std::map<std::string, int> RuleCmdLength;
/// The set of dependencies to add to the "all" target.
cmNinjaDeps AllDependencies;
bool UsingGCCOnWindows;
/// The set of custom commands we have seen.
std::set<cmCustomCommand const*> CustomCommands;
/// The set of custom command outputs we have seen.
std::set<std::string> CustomCommandOutputs;
/// Whether we are collecting known build outputs and needed
/// dependencies to determine unknown dependencies.
bool ComputingUnknownDependencies;
cmPolicies::PolicyStatus PolicyCMP0058;
/// The combined explicit dependencies of custom build commands
std::set<std::string> CombinedCustomCommandExplicitDependencies;
/// When combined with CombinedCustomCommandExplicitDependencies it allows
/// us to detect the set of explicit dependencies that have
std::set<std::string> CombinedBuildOutputs;
/// The mapping from source file to assumed dependencies.
std::map<std::string, std::set<std::string> > AssumedSourceDependencies;
typedef std::map<std::string, cmGeneratorTarget*> TargetAliasMap;
TargetAliasMap TargetAliases;
std::string NinjaCommand;
std::string NinjaVersion;
};
#endif // ! cmGlobalNinjaGenerator_h
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