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