Import of the watch repository from Pebble

tools/gdb_scripts/gdb_printers.py

@@ -0,0 +1,80 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import uuid
+
+try:
+    import gdb
+except ImportError:
+    raise Exception("This file is a GDB script.\n"
+                    "It is not intended to be run outside of GDB.\n"
+                    "Hint: to load a script in GDB, use `source this_file.py`")
+import gdb.printing
+
+
+class grectPrinter:
+    """Print a GRect struct as a fragment of C code."""
+
+    def __init__(self, val):
+        self.val = val
+
+    def to_string(self):
+        code = ("(GRect) { "
+                ".origin = { .x = %i, .y = %i }, "
+                ".size = { .w = %i, .h = %i } "
+                "}")
+        return code % (int(self.val["origin"]["x"]),
+                       int(self.val["origin"]["y"]),
+                       int(self.val["size"]["w"]),
+                       int(self.val["size"]["h"]))
+
+
+class gpathInfoPrinter:
+    """Print a GPathInfo struct as a fragment of C code."""
+
+    def __init__(self, val):
+        self.val = val
+
+    def to_string(self):
+        points_code = ""
+        num_points = int(self.val["num_points"])
+        array_val = self.val["points"]
+        for i in xrange(0, num_points):
+            point_val = array_val[i]
+            if (points_code):
+                points_code += ", "
+            points_code += "{ %i, %i }" % (point_val["x"], point_val["y"])
+        outer_code_fmt = ("(GPathInfo) { "
+                          ".num_points = %i, "
+                          ".points = (GPoint[]) {%s} "
+                          "}")
+        return outer_code_fmt % (num_points, points_code)
+
+
+class UuidPrinter(object):
+    """Print a UUID."""
+
+    def __init__(self, val):
+        bytes = ''.join(chr(int(val['byte%d' % n])) for n in xrange(16))
+        self.uuid = uuid.UUID(bytes=bytes)
+
+    def to_string(self):
+        return '{%s}' % self.uuid
+
+pp = gdb.printing.RegexpCollectionPrettyPrinter('tintin')
+pp.add_printer('GRect', '^GRect$', grectPrinter)
+pp.add_printer('GPathInfo', '^GPathInfo$', gpathInfoPrinter)
+pp.add_printer('Uuid', '^Uuid$', UuidPrinter)
+# Register the pretty-printer globally
+gdb.printing.register_pretty_printer(None, pp, replace=True)