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63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
#!/usr/bin/env python
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# Implementation of various source code metrics.
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# These are currently ad-hoc string operations and regexps.
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# We might want to use a proper static analysis library in the future, if we want to get more advanced metrics.
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# Future imports for Python 2.7, mandatory in 3.0
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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import re
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def get_file_len(f):
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"""Get file length of file"""
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i = -1
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for i, l in enumerate(f):
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pass
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return i + 1
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def get_include_count(f):
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"""Get number of #include statements in the file"""
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include_count = 0
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for line in f:
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if re.match(r'\s*#\s*include', line):
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include_count += 1
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return include_count
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def get_function_lines(f):
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"""
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Return iterator which iterates over functions and returns (function name, function lines)
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"""
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# Skip lines that look like they are defining functions with these
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# names: they aren't real function definitions.
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REGEXP_CONFUSE_TERMS = {"MOCK_IMPL", "MOCK_DECL", "HANDLE_DECL",
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"ENABLE_GCC_WARNINGS", "ENABLE_GCC_WARNING",
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"DUMMY_TYPECHECK_INSTANCE",
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"DISABLE_GCC_WARNING", "DISABLE_GCC_WARNINGS"}
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in_function = False
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found_openbrace = False
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for lineno, line in enumerate(f):
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if not in_function:
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# find the start of a function
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m = re.match(r'^([a-zA-Z_][a-zA-Z_0-9]*),?\(', line)
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if m:
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func_name = m.group(1)
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if func_name in REGEXP_CONFUSE_TERMS:
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continue
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func_start = lineno
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in_function = True
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elif not found_openbrace and line.startswith("{"):
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found_openbrace = True
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func_start = lineno
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else:
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# Find the end of a function
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if line.startswith("}"):
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n_lines = lineno - func_start + 1
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in_function = False
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found_openbrace = False
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yield (func_name, n_lines)
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