2 files changed, 21 insertions, 4 deletions

diff --git a/builder.py b/builder.py
index 6341776..4c4510a 100755
--- a/builder.py
+++ b/builder.py
@@ -28,6 +28,7 @@ parser.add_option('--bindir', default='bin', dest='bindir')
 parser.add_option('--includedir', default='include', dest='includedir')
 parser.add_option('--datadir', default='share', dest='datadir')
 parser.add_option('--mandir' , default='share/man', dest='mandir')
+parser.add_option('--generator', default='shell', dest='generator')
 
 class BuilderApp():
 
@@ -73,7 +74,12 @@ class BuilderApp():
         b = build.Build(env)
         intr = interpreter.Interpreter(code, b)
         intr.run()
-        g = generators.ShellGenerator(b, intr)
+        if options.generator == 'shell':
+            g = generators.ShellGenerator(b, intr)
+        elif options.generator == 'ninja':
+            g = generators.NinjaGenerator(b, intr)
+        else:
+            raise RuntimeError('Unknown generator "%s".' % options.generator)
         g.generate()
 
 if __name__ == '__main__':
diff --git a/generators.py b/generators.py
index 8c1d547..168c4b6 100755
--- a/generators.py
+++ b/generators.py
@@ -43,16 +43,27 @@ def do_conf_file(src, dst, variables):
         result.append(line)
     open(dst, 'w').writelines(result)
 
-class ShellGenerator():
-    
+class Generator():
     def __init__(self, build, interp):
         self.build = build
         self.environment = build.environment
         self.interpreter = interp
+        self.processed_targets = {}
+
+class NinjaGenerator(Generator):
+
+    def __init__(self, build, interp):
+        Generator.__init__(self, build, interp)
+
+    def generate(self):
+        pass
+
+class ShellGenerator(Generator):
+    def __init__(self, build, interp):
+        Generator.__init__(self, build, interp)
         self.build_filename = 'compile.sh'
         self.test_filename = 'run_tests.sh'
         self.install_filename = 'install.sh'
-        self.processed_targets = {}
 
     def generate(self):
         self.generate_compile_script()