IutestFused.Minimze() - Code Metrics - Inspection of "update r1126" - srz-zumix/iutest - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 427a48...4d207a )

by srz

created 2016-05-07 07:37 UTC

IutestFused.Minimze() F

↳ Parent: Project

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Metric	Value
cc	9
dl	0
loc	78
rs	3.8611

How to fix Long Method

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# fuse_iutest_files.py
#
# Copyright (C) 2014-2016, Takazumi Shirayanagi
# This software is released under the new BSD License,
# see LICENSE
#

""" fuse_iutest_files.py
fuse_iutest_files.py [IUTEST_ROOT_DIR] OUTPUT_DIR
"""

import os
import sys
import re
import codecs

IUTEST_INCLUDE_DIR = os.path.join(os.path.dirname(__file__), '../../include')

class IutestFused:
	INCLUDE_REGEX = re.compile(r'^\s*#\s*include\s*"(.*iutest.*)"')
	IFDEF_REGEX = re.compile(r'^\s*#\s*if(def\s*\S*|\s*defined\s*\(.*\))')
	PREPRO_REGEX = re.compile(r'^\s*#')
	COMMENT_REGEX = re.compile(r'^\s*//.*')
	C_COMMENT_BEGIN_REGEX = re.compile(r'^\s*(.*)/\*.*')
	C_COMMENT_END_REGEX = re.compile(r'^\s*\*/(.*)')
	STRING_REGEX = re.compile(r'(".*?")')
	INCG_REGEX = re.compile(r'^\s*#\s*(ifndef|define|endif)[/\s]*(INCG_\S*)\s*\Z')
	c_comment = False
	store_line = ""

	def IsUnnecessaryIncludeGuard(self, line):
		m = self.INCG_REGEX.match(line)
		if m:
			incg = m.group(2)
			if incg not in { 'INCG_IRIS_IUTEST_HPP_', 'INCG_IRIS_IUTEST_SWITCH_HPP_', 'INCG_IRIS_IUTEST_SPI_HPP_' }:
				#print(incg)
				return True
		return False

	def StoreStrings(self, src, list):
		tmp = src.replace(r'\"', '$$')
		prev = 0
		dst = ""
		for m in self.STRING_REGEX.finditer(tmp):
			dst += tmp[prev:m.start()]
			dst += '"@STRING@"'
			prev = m.end()
			list.append(m.group(0))
		dst += tmp[prev:]
		return dst

	def RestoreStrings(self, src, list):
		dst = src
		for s in list:
			dst = dst.replace('"@STRING@"', s, 1)
		dst = dst.replace('$$', r'\"')
		return dst

	def StoreMinimze(self, line):
		store = self.store_line + line
		# string store
		str_l = []
		store = self.StoreStrings(store, str_l)

		store = re.sub('"@STRING@""@STRING@"', '"@STRING@"##+##"@STRING@"', store)
		store = re.sub('\):\s+', '):', store)
		
		# string restore
		store = self.RestoreStrings(store, str_l)
	
		store = store.replace('"##+##"', '')
		self.store_line = store
		
	def Minimze(self, line):
		# if defined -> ifdef
		line = re.sub(r'\s*#\s*if\s*defined\((\S*)\)\s*\Z', r'#ifdef \1', line)
		# if !defined -> ifndef
		line = re.sub(r'\s*#\s*if\s*!defined\((\S*)\)\s*\Z', r'#ifndef \1', line)

		# C comment
		if self.c_comment:
			m = self.C_COMMENT_END_REGEX.match(line)
			if m:
				self.c_comment = False
				line = m.group(1)
			else:
				return ""
		m = self.C_COMMENT_BEGIN_REGEX.match(line)
		if m:
			self.c_comment = True
			line = m.group(1)
		line = line.strip()
		if len(line) == 0:
			return ""

		# C++ comment
		if self.COMMENT_REGEX.match(line):
			return ""
		# include guard
		if self.IsUnnecessaryIncludeGuard(line):
			return ""

		# string store
		str_l = []
		line = self.StoreStrings(line, str_l)

		# remove comment and strip
		line = re.sub('//[\S \t]*', '', line)
		line = line.strip(' \t')
		# remvoe \r 
		line = line.rstrip()
		line += '\n'
		# remove preprocessor directive unnecessary whitespace
		line = re.sub('^\s*#\s*', '#', line)
		line = re.sub('^\s*#(.+?)[ \t]+', r'#\1 ', line)

		# remove unnecessary whitespace
		line = re.sub('\s+(".*?")', r' \1', line)
		line = re.sub(r'\)\s+>', r')>', line)
		line = re.sub(';[ \t]+', ';', line)
		line = re.sub('[ \t]+', ' ', line)
		line = re.sub('([\w)\]]+)\s+([&|\+\-<>=\?]+)[ \t]+([^>])', r'\1\2\3', line)
		line = re.sub('\s*([{\+\-\*/%=<>&|!]+=)[ \t]*', r'\1', line)
		line = re.sub('<\s+(\w)', r'<\1', line)
		line = re.sub('\s+:[ \t]+(\w)', r':\1', line)
		line = re.sub('\s*,[ \t]*', ',', line)
		line = re.sub('\s*\)', ')', line)
		line = re.sub('\)\s+{', '){', line)
		line = re.sub('\)\s+const', ')const', line)
		if not re.match('#define\s+.*\s+{.*', line):
			line = re.sub('\s*{\s*', '{', line)
			line = re.sub('\s*}\s*', '}', line)

		# define HOGE(x) vs define HOGE (x)
		m = re.match('^#define\s+(\w+)\s+(\([^)]*?\))$', line)
		line = re.sub('\s*\([ \t]*', '(', line)
		if m:
			line = re.sub('^#define\s+(\w+)(\([^)]*?\))$', r'#define \1 \2', line)
		else:
			line = re.sub('^#define\s+(\w+\([^)]*?\))(\S+)', r'#define \1 \2', line)

		# 0x00000X => 0xX
		line = re.sub('0x0+([0-9A-Fa-f])', r'0x\1', line)
		# 0x0 => 0
		line = re.sub('0x([0-9])([^0-9A-Fa-f])', r'\1\2', line)

		# string restore
		line = self.RestoreStrings(line, str_l)

		line = re.sub('^#define\s+(\w+)=', r'#define \1 =', line)
		return line
	
	def Flush(self, output_file):
		if len(self.store_line) > 0:
			output_file.write(self.store_line.strip())
			output_file.write('\n')
			self.store_line = ""

	def Translate(self, root, filename, output, output_dir, minimum):
		output_file = codecs.open(os.path.join(output_dir, output), 'w', 'utf-8-sig')
		processed_files = set();
		# fused-min not support gtest switch
		if minimum:
			processed_files.add(os.path.normpath(os.path.join(root, "gtest/iutest_switch.hpp")))
		def ProcessFile(curr, filename, fileset, minimum):
			path = os.path.join(root, filename)
			if not os.path.exists(path):
				path = os.path.join(curr, filename)
		
			path = os.path.normpath(path)
			if path in fileset:
				return
		
			find_ifdef = False;
			c_comment = False;
			fileset.add(path)
			for line in codecs.open(path, 'r', 'utf-8-sig'):
				line = re.sub('/\*.*?\*/', '', line)
				m = self.INCLUDE_REGEX.match(line)
				if m:
					self.Flush(output_file)
					include_file = m.group(1)
					if find_ifdef:
						s = set(fileset)
						ProcessFile(os.path.dirname(path), include_file, s, minimum)
					else:
						ProcessFile(os.path.dirname(path), include_file, fileset, minimum)
				else:
					find_ifdef = bool(self.IFDEF_REGEX.match(line))
					if minimum:
						line = self.Minimze(line)
						if len(line):
							if self.PREPRO_REGEX.match(self.store_line):
								line = line.strip();
								if line.endswith('\\'):
									self.StoreMinimze(line.rstrip(r'\\'))
								else:
									self.StoreMinimze(line)
									self.Flush(output_file)
							elif self.PREPRO_REGEX.match(line):
								self.Flush(output_file)
								if line.strip().endswith('\\'):
									self.StoreMinimze(line.strip().rstrip(r'\\'))
								else:
									output_file.write(line)
							else:
								strip_line = line.strip();
								self.StoreMinimze(strip_line)
								#if not re.match('.*[{};\(\)<>]$', strip_line):
								#	self.Flush(output_file)
								if re.match('.*(:|IUTEST_CXX_DEFAULT_FUNCTION)$', strip_line):
									self.store_line += " "
					else:
						output_file.write(line)
			self.Flush(output_file)

		ProcessFile(root, filename, processed_files, minimum)
		output_file.close()

def FusedSrc(root, filename, output, output_dir, minimum):
	f = IutestFused()
	f.Translate(root, filename, output, output_dir, minimum)

def FusedAll(root, output_dir):
	FusedSrc(root, 'iutest.hpp', 'iutest.hpp', output_dir, False)
	FusedSrc(root, 'iutest.hpp', 'iutest.min.hpp', output_dir, True)

def main():
	argc = len(sys.argv)
	if argc == 2:
		FusedAll(IUTEST_INCLUDE_DIR, sys.argv[1])
	elif argc == 3:
		FusedAll(os.path.join(sys.argv[1], "include"), sys.argv[2])
	else:
		print(__doc__)
		sys.exit(1)

if __name__ == '__main__':
	main()



1			#!/usr/bin/env python
2			# -- coding: utf-8 --
3			#
4			# fuse_iutest_files.py
5			#
6			# Copyright (C) 2014-2016, Takazumi Shirayanagi
7			# This software is released under the new BSD License,
8			# see LICENSE
9			#
10
11			""" fuse_iutest_files.py
12			fuse_iutest_files.py [IUTEST_ROOT_DIR] OUTPUT_DIR
13			"""
14
15			import os
16			import sys
17			import re
18			import codecs
19
20			IUTEST_INCLUDE_DIR = os.path.join(os.path.dirname(__file__), '../../include')
21
22			class IutestFused:
23			INCLUDE_REGEX = re.compile(r'^\s#\sinclude\s"(.iutest.*)"')
24			IFDEF_REGEX = re.compile(r'^\s#\sif(def\s\S\|\sdefined\s\(.*\))')
25			PREPRO_REGEX = re.compile(r'^\s*#')
26			COMMENT_REGEX = re.compile(r'^\s//.')
27			C_COMMENT_BEGIN_REGEX = re.compile(r'^\s(.)/\.')
28			C_COMMENT_END_REGEX = re.compile(r'^\s\/(.*)')
29			STRING_REGEX = re.compile(r'(".*?")')
30			INCG_REGEX = re.compile(r'^\s#\s(ifndef\|define\|endif)[/\s](INCG_\S)\s*\Z')
31			c_comment = False
32			store_line = ""
33
34			def IsUnnecessaryIncludeGuard(self, line):
35			m = self.INCG_REGEX.match(line)
36			if m:
37			incg = m.group(2)
38			if incg not in { 'INCG_IRIS_IUTEST_HPP_', 'INCG_IRIS_IUTEST_SWITCH_HPP_', 'INCG_IRIS_IUTEST_SPI_HPP_' }:
39			#print(incg)
40			return True
41			return False
42
43			def StoreStrings(self, src, list):
44			tmp = src.replace(r'\"', '$$')
45			prev = 0
46			dst = ""
47			for m in self.STRING_REGEX.finditer(tmp):
48			dst += tmp[prev:m.start()]
49			dst += '"@STRING@"'
50			prev = m.end()
51			list.append(m.group(0))
52			dst += tmp[prev:]
53			return dst
54
55			def RestoreStrings(self, src, list):
56			dst = src
57			for s in list:
58			dst = dst.replace('"@STRING@"', s, 1)
59			dst = dst.replace('$$', r'\"')
60			return dst
61
62			def StoreMinimze(self, line):
63			store = self.store_line + line
64			# string store
65			str_l = []
66			store = self.StoreStrings(store, str_l)
67
68			store = re.sub('"@STRING@""@STRING@"', '"@STRING@"##+##"@STRING@"', store)
69			store = re.sub('\):\s+', '):', store)
70
71			# string restore
72			store = self.RestoreStrings(store, str_l)
73
74			store = store.replace('"##+##"', '')
75			self.store_line = store
76
77			def Minimze(self, line):
78			# if defined -> ifdef
79			line = re.sub(r'\s#\sif\sdefined\((\S)\)\s*\Z', r'#ifdef \1', line)
80			# if !defined -> ifndef
81			line = re.sub(r'\s#\sif\s!defined\((\S)\)\s*\Z', r'#ifndef \1', line)
82
83			# C comment
84			if self.c_comment:
85			m = self.C_COMMENT_END_REGEX.match(line)
86			if m:
87			self.c_comment = False
88			line = m.group(1)
89			else:
90			return ""
91			m = self.C_COMMENT_BEGIN_REGEX.match(line)
92			if m:
93			self.c_comment = True
94			line = m.group(1)
95			line = line.strip()
96			if len(line) == 0:
97			return ""
98
99			# C++ comment
100			if self.COMMENT_REGEX.match(line):
101			return ""
102			# include guard
103			if self.IsUnnecessaryIncludeGuard(line):
104			return ""
105
106			# string store
107			str_l = []
108			line = self.StoreStrings(line, str_l)
109
110			# remove comment and strip
111			line = re.sub('//[\S \t]*', '', line)
112			line = line.strip(' \t')
113			# remvoe \r
114			line = line.rstrip()
115			line += '\n'
116			# remove preprocessor directive unnecessary whitespace
117			line = re.sub('^\s#\s', '#', line)
118			line = re.sub('^\s*#(.+?)[ \t]+', r'#\1 ', line)
119
120			# remove unnecessary whitespace
121			line = re.sub('\s+(".*?")', r' \1', line)
122			line = re.sub(r'\)\s+>', r')>', line)
123			line = re.sub(';[ \t]+', ';', line)
124			line = re.sub('[ \t]+', ' ', line)
125			line = re.sub('([\w)\]]+)\s+([&\|\+\-<>=\?]+)[ \t]+([^>])', r'\1\2\3', line)
126			line = re.sub('\s([{\+\-\/%=<>&\|!]+=)[ \t]*', r'\1', line)
127			line = re.sub('<\s+(\w)', r'<\1', line)
128			line = re.sub('\s+:[ \t]+(\w)', r':\1', line)
129			line = re.sub('\s,[ \t]', ',', line)
130			line = re.sub('\s*\)', ')', line)
131			line = re.sub('\)\s+{', '){', line)
132			line = re.sub('\)\s+const', ')const', line)
133			if not re.match('#define\s+.\s+{.', line):
134			line = re.sub('\s{\s', '{', line)
135			line = re.sub('\s}\s', '}', line)
136
137			# define HOGE(x) vs define HOGE (x)
138			m = re.match('^#define\s+(\w+)\s+(\([^)]*?\))$', line)
139			line = re.sub('\s\([ \t]', '(', line)
140			if m:
141			line = re.sub('^#define\s+(\w+)(\([^)]*?\))$', r'#define \1 \2', line)
142			else:
143			line = re.sub('^#define\s+(\w+\([^)]*?\))(\S+)', r'#define \1 \2', line)
144
145			# 0x00000X => 0xX
146			line = re.sub('0x0+([0-9A-Fa-f])', r'0x\1', line)
147			# 0x0 => 0
148			line = re.sub('0x([0-9])([^0-9A-Fa-f])', r'\1\2', line)
149
150			# string restore
151			line = self.RestoreStrings(line, str_l)
152
153			line = re.sub('^#define\s+(\w+)=', r'#define \1 =', line)
154			return line
155
156			def Flush(self, output_file):
157			if len(self.store_line) > 0:
158			output_file.write(self.store_line.strip())
159			output_file.write('\n')
160			self.store_line = ""
161
162			def Translate(self, root, filename, output, output_dir, minimum):
163			output_file = codecs.open(os.path.join(output_dir, output), 'w', 'utf-8-sig')
164			processed_files = set();
165			# fused-min not support gtest switch
166			if minimum:
167			processed_files.add(os.path.normpath(os.path.join(root, "gtest/iutest_switch.hpp")))
168			def ProcessFile(curr, filename, fileset, minimum):
169			path = os.path.join(root, filename)
170			if not os.path.exists(path):
171			path = os.path.join(curr, filename)
172
173			path = os.path.normpath(path)
174			if path in fileset:
175			return
176
177			find_ifdef = False;
178			c_comment = False;
179			fileset.add(path)
180			for line in codecs.open(path, 'r', 'utf-8-sig'):
181			line = re.sub('/\.?\*/', '', line)
182			m = self.INCLUDE_REGEX.match(line)
183			if m:
184			self.Flush(output_file)
185			include_file = m.group(1)
186			if find_ifdef:
187			s = set(fileset)
188			ProcessFile(os.path.dirname(path), include_file, s, minimum)
189			else:
190			ProcessFile(os.path.dirname(path), include_file, fileset, minimum)
191			else:
192			find_ifdef = bool(self.IFDEF_REGEX.match(line))
193			if minimum:
194			line = self.Minimze(line)
195			if len(line):
196			if self.PREPRO_REGEX.match(self.store_line):
197			line = line.strip();
198			if line.endswith('\\'):
199			self.StoreMinimze(line.rstrip(r'\\'))
200			else:
201			self.StoreMinimze(line)
202			self.Flush(output_file)
203			elif self.PREPRO_REGEX.match(line):
204			self.Flush(output_file)
205			if line.strip().endswith('\\'):
206			self.StoreMinimze(line.strip().rstrip(r'\\'))
207			else:
208			output_file.write(line)
209			else:
210			strip_line = line.strip();
211			self.StoreMinimze(strip_line)
212			#if not re.match('.*[{};\(\)<>]$', strip_line):
213			# self.Flush(output_file)
214			if re.match('.*(:\|IUTEST_CXX_DEFAULT_FUNCTION)$', strip_line):
215			self.store_line += " "
216			else:
217			output_file.write(line)
218			self.Flush(output_file)
219
220			ProcessFile(root, filename, processed_files, minimum)
221			output_file.close()
222
223			def FusedSrc(root, filename, output, output_dir, minimum):
224			f = IutestFused()
225			f.Translate(root, filename, output, output_dir, minimum)
226
227			def FusedAll(root, output_dir):
228			FusedSrc(root, 'iutest.hpp', 'iutest.hpp', output_dir, False)
229			FusedSrc(root, 'iutest.hpp', 'iutest.min.hpp', output_dir, True)
230
231			def main():
232			argc = len(sys.argv)
233			if argc == 2:
234			FusedAll(IUTEST_INCLUDE_DIR, sys.argv[1])
235			elif argc == 3:
236			FusedAll(os.path.join(sys.argv[1], "include"), sys.argv[2])
237			else:
238			print(__doc__)
239			sys.exit(1)
240
241			if __name__ == '__main__':
242			main()
243
244

srz-zumix / iutest

Push — master ( 427a48...4d207a )

IutestFused.Minimze() F

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How to fix Long Method

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