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66 lines
2.2 KiB
66 lines
2.2 KiB
#
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# Copyright (C) 2016 The Android Open Source Project
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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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#
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class BlockSummary(object):
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"""Summarizes a block of code from a .gcno file.
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Contains all the lines in the block and the entry/exit
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arcs from/to other basic blocks.
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Attributes:
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flag: integer flag value.
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entry_arcs: list of ArcSummary objects for each arc
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entering the code block.
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exit_arcs: list of ArcSummary objects for each arc exiting
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the code block.
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lines: list of line numbers represented by the basic block.
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"""
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def __init__(self, index, flag):
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"""Inits the block summary with provided values.
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Initializes entryArcs, exitArcs, and lines to the empty list.
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Stores the block flag in the flag attribute.
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Args:
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index: the basic block number
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flag: integer block flag.
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"""
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self.index = index
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self.flag = flag
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self.entry_arcs = []
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self.exit_arcs = []
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self.count = 0
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self.lines = []
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def __str__(self):
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"""Serializes the block summary as a string.
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Returns:
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String representation of the block.
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"""
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output = '\tBlock: %i, Count: %i' % (self.index, self.count)
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if len(self.lines):
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output += ', Lines: ' + ', '.join(str(line) for line in self.lines)
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if len(self.entry_arcs):
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output += ('\r\n\t\t' + str(self.index) + ' <-- ' + ', '.join(
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str(a.src_block.index) for a in self.entry_arcs))
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if len(self.exit_arcs):
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output += ('\r\n\t\t' + str(self.index) + ' --> ' + ', '.join(
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str(a.dst_block.index) for a in self.exit_arcs))
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return output + '\r\n'
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