Ninja: Add the Ninja generator

1 files changed, 99 insertions, 0 deletions

diff --git a/Source/cmNinjaUtilityTargetGenerator.cxx b/Source/cmNinjaUtilityTargetGenerator.cxx
new file mode 100644
index 0000000..0a15834
--- /dev/null
+++ b/Source/cmNinjaUtilityTargetGenerator.cxx
@@ -0,0 +1,99 @@
+#include "cmNinjaUtilityTargetGenerator.h"
+#include "cmCustomCommand.h"
+#include "cmGeneratedFileStream.h"
+#include "cmGlobalNinjaGenerator.h"
+#include "cmMakefile.h"
+#include "cmSourceFile.h"
+#include "cmTarget.h"
+
+cmNinjaUtilityTargetGenerator::cmNinjaUtilityTargetGenerator(cmTarget *target)
+  : cmNinjaTargetGenerator(target) {}
+
+cmNinjaUtilityTargetGenerator::~cmNinjaUtilityTargetGenerator() {}
+
+void cmNinjaUtilityTargetGenerator::Generate()
+{
+  std::vector<std::string> commands;
+  cmNinjaDeps deps, outputs;
+
+  const std::vector<cmCustomCommand> *cmdLists[2] = {
+    &this->GetTarget()->GetPreBuildCommands(),
+    &this->GetTarget()->GetPostBuildCommands()
+  };
+
+  for (unsigned i = 0; i != 2; ++i) {
+    for (std::vector<cmCustomCommand>::const_iterator
+         ci = cmdLists[i]->begin(); ci != cmdLists[i]->end(); ++ci) {
+      this->GetLocalGenerator()->AppendCustomCommandDeps(&*ci, deps);
+      this->GetLocalGenerator()->AppendCustomCommandLines(&*ci, commands);
+    }
+  }
+
+  const std::vector<cmSourceFile*>& sources =
+    this->GetTarget()->GetSourceFiles();
+  for(std::vector<cmSourceFile*>::const_iterator source = sources.begin();
+      source != sources.end(); ++source)
+    {
+    if(cmCustomCommand* cc = (*source)->GetCustomCommand())
+      {
+      this->GetLocalGenerator()->AddCustomCommandTarget(cc, this->GetTarget());
+
+      // Depend on all custom command outputs.
+      const std::vector<std::string>& outputs = cc->GetOutputs();
+      std::transform(outputs.begin(), outputs.end(),
+                     std::back_inserter(deps), MapToNinjaPath());
+      }
+    }
+
+  this->GetLocalGenerator()->AppendTargetOutputs(this->GetTarget(), outputs);
+  this->GetLocalGenerator()->AppendTargetDepends(this->GetTarget(), deps);
+
+  if (commands.empty()) {
+    cmGlobalNinjaGenerator::WritePhonyBuild(this->GetBuildFileStream(),
+                                            "Utility command for "
+                                            + this->GetTargetName(),
+                                            outputs,
+                                            deps);
+  } else {
+    std::string command =
+      this->GetLocalGenerator()->BuildCommandLine(commands);
+    const char *echoStr = this->GetTarget()->GetProperty("EchoString");
+    std::string desc;
+    if (echoStr)
+      desc = echoStr;
+    else
+      desc = "Running utility command for " + this->GetTargetName();
+
+    // TODO: fix problematic global targets.  For now, search and replace the
+    // makefile vars.
+    cmSystemTools::ReplaceString(command, "$(CMAKE_SOURCE_DIR)",
+                         this->GetTarget()->GetMakefile()->GetHomeDirectory());
+    cmSystemTools::ReplaceString(command, "$(CMAKE_BINARY_DIR)",
+                   this->GetTarget()->GetMakefile()->GetHomeOutputDirectory());
+    cmSystemTools::ReplaceString(command, "$(ARGS)", "");
+
+    if (command.find('$') != std::string::npos)
+      return;
+
+    std::string utilCommandName = cmake::GetCMakeFilesDirectoryPostSlash();
+    utilCommandName += this->GetTargetName() + ".util";
+
+    this->GetGlobalGenerator()->WriteCustomCommandBuild(
+      command,
+      desc,
+      "Utility command for " + this->GetTargetName(),
+      cmNinjaDeps(1, utilCommandName),
+      deps);
+
+    cmGlobalNinjaGenerator::WritePhonyBuild(this->GetBuildFileStream(),
+                                            "",
+                                            outputs,
+                                            cmNinjaDeps(1, utilCommandName),
+                                            cmNinjaDeps(),
+                                            cmNinjaDeps(),
+                                            cmNinjaVars());
+  }
+
+  this->GetGlobalGenerator()->AddTargetAlias(this->GetTargetName(),
+                                             this->GetTarget());
+}