Add printers to stage.

tools/gdb/python/supercore_printer.py

@@ -0,0 +1,140 @@
+#
+# RTEMS Supercore pretty printers for GDB
+#
+import objects
+import itertools
+
+class id_printer:
+    """Print an object given the ID. Print using the struct display hint and an
+    iterator."""
+
+    class iterator:
+        """Use an iterator for each field expanded from the id so GDB output
+        is formatted correctly."""
+
+        def __init__(self, id):
+            self.id = id
+            self.count = 0
+
+        def __iter__(self):
+            return self
+
+        def next(self):
+            self.count += 1
+            if self.count == 1:
+                return int(self.id.value())
+            elif self.count == 2:
+                return self.id.node()
+            elif self.count == 3:
+                return self.id.api()
+            elif self.count == 4:
+                return self.id._class()
+            elif self.count == 5:
+                return self.id.index()
+            raise StopIteration
+
+    def __init__(self, id):
+        self.id = objects.ident(id)
+
+    def to_string(self):
+        return ''
+
+    @staticmethod
+    def key(i):
+        if i == 0:
+            return 'id'
+        elif i == 1:
+            return 'node'
+        elif i == 2:
+            return 'api'
+        elif i == 3:
+            return 'class'
+        elif i == 4:
+            return 'index'
+        return 'bad'
+
+    def children(self):
+        counter = itertools.imap (self.key, itertools.count())
+        return itertools.izip (counter, self.iterator(self.id))
+
+    def display_hint (self):
+        return 'struct'
+
+class name_printer:
+    """Pretty printer for an object's name. It has to guess the type as no
+    information is available to help determine it."""
+
+    def __init__(self, nameval):
+        self.name = objects.name(nameval)
+
+    def to_string(self):
+        return str(self.name)
+
+class control_printer:
+
+    class iterator:
+        """Use an iterator for each field expanded from the id so GDB output
+        is formatted correctly."""
+
+        def __init__(self, object):
+            self.object = object
+            self.count = 0
+
+        def __iter__(self):
+            return self
+
+        def next(self):
+            self.count += 1
+            if self.count == 1:
+                return self.object.node()
+            elif self.count == 2:
+                return self.object.id()
+            elif self.count == 3:
+                return self.object.name()
+            raise StopIteration
+
+    def to_string(self):
+        return ''
+
+    def __init__(self, object):
+        self.object = objects.control(object)
+
+    @staticmethod
+    def key(i):
+        if i == 0:
+            return 'Node'
+        elif i == 1:
+            return 'id'
+        elif i == 2:
+            return 'name'
+        return 'bad'
+
+    def children(self):
+        counter = itertools.imap (self.key, itertools.count())
+        return itertools.izip (counter, self.iterator(self.object))
+
+    def display_hint (self):
+        return 'struct'
+
+
+class state_printer:
+
+    def __init__(self, state):
+        self.state = threads.state(state)
+    def to_string(self):
+        return self.state.to_string()
+
+class chains_printer:
+
+    def __init__(self,chain):
+        self.chain = chains.control(chain)
+
+    def to_string(self):
+        return "First:"+str(self.chain.first())+"\n Last:"+str(self.chain.last())
+
+class node_printer:
+    def __init__(self, node):
+        self.node = chains.node(node)
+
+    def to_string(self):
+        return "Node: "+str(self.node)+" Next: "+str(self.node.next())+" Prev: "+str(self.node.previous())