1 files changed, 60 insertions, 0 deletions
diff --git a/clang/tools/ccc/ccclib/Jobs.py b/clang/tools/ccc/ccclib/Jobs.py
new file mode 100644
index 00000000000..8ef8a03fc26
--- /dev/null
+++ b/clang/tools/ccc/ccclib/Jobs.py
@@ -0,0 +1,60 @@
+import Arguments
+import Util
+
+class Job(object):
+    """Job - A set of commands to execute as a single task."""
+
+    def iterjobs(self):
+        abstract
+
+class Command(Job):
+    """Command - Represent the information needed to execute a single
+    process."""
+
+    def __init__(self, executable, args):
+        assert Util.all_true(args, lambda x: isinstance(x, Arguments.Arg))
+        self.executable = executable
+        self.args = args
+
+    def __repr__(self):
+        return Util.prefixAndPPrint(self.__class__.__name__,
+                                    (self.executable, self.args))
+    
+    def render(self, args):
+        argv = [self.executable]
+        for oi in self.args:
+            argv.extend(oi.render(args))
+        return argv
+
+    def iterjobs(self):
+        yield self
+    
+class PipedJob(Job):
+    """PipedJob - A sequence of piped commands."""
+
+    def __init__(self, commands):
+        assert all_true(args, lambda x: isinstance(x, Arguments.Command))
+        self.commands = list(commands)
+
+    def addJob(self, job):
+        assert isinstance(job, Command)
+        self.commands.append(job)
+
+    def __repr__(self):
+        return Util.prefixAndPPrint(self.__class__.__name__, (self.commands,))
+
+class JobList(Job):
+    """JobList - A sequence of jobs to perform."""
+
+    def __init__(self, jobs=[]):
+        self.jobs = list(jobs)
+    
+    def addJob(self, job):
+        self.jobs.append(job)
+
+    def __repr__(self):
+        return Util.prefixAndPPrint(self.__class__.__name__, (self.jobs,))
+
+    def iterjobs(self):
+        for j in self.jobs:
+            yield j