Mercurial > hg > CbC > old > CbC_scripts

annotate meta_connector/meta_connector.py @ 26:b9f88346cecd support auto stub generation

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generate stub
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 02 Nov 2015 04:02:13 +0900
parents 9a1cce532f29
children 894a300f199f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2 # -*- coding: utf-8 -*-
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3
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4 import sys
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5 import argparse
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6 import re
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7
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8 # parse arguments and return arguments list.
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9 def get_args():
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10 parser = argparse.ArgumentParser(
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11 formatter_class=argparse.RawDescriptionHelpFormatter,
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12 description="""\
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13 Parse meta connect syntax and create stub. Default output is stdout.
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14
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15 sample)
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16 __code code0(struct Data data1, ...){
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17 goto code1(data1, data2, ...);
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18 \t|
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19 \tV
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20 __code code0(struct Context* context, struct Data data1, ...){
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21 goto meta_code1(context, data1, data2, ..., Code1);
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22 """)
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23 parser.add_argument('input_file',\
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24 nargs=None,\
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25 type=str,\
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26 help='input file path.')
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27 parser.add_argument('-o', dest='output',\
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28 nargs=1,\
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29 type=str,\
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30 metavar='<file>',\
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31 help='write output to <file>')
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32
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33 return parser.parse_args()
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34
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35 # parse input file and create meta connection list
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36 def parse_meta_syntax(lines,file):
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37 comment_out = False
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38 caller_name = ''
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39 isMetaOrStub = False
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40 defaultMetaIsNotExist = True
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41 for i,l in enumerate(lines):
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42
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43 regexed_l = re.search(r"[a-zA-Z0-9_]+ *\(",l)
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44 # get caller code segment name
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45 if re.search(r"^ *__code",l) is not None: # code segment declarations.
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46 isMetaOrStub = False
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47 caller_name = regexed_l.group(0).rstrip('(')
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48 args = get_args_from_line(l)
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49 if caller_name == 'meta':
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50 defaultMetaIsNotExist = False
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51 if re.search(r"^ *meta_*|stub$",caller_name) is not None: # meta code segments or stubs
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52 isMetaOrStub = True
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53 elif not cs_search(lines, caller_name+'_stub'): # normal code segments which do not have a stub.
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54 create_stub(file, caller_name, args.strip(','))
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55
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56 if re.search(r"struct Context\* context",l) is None: # add context to arguments list if it didn't have.
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57 file.write("/*-- generated by script */\n")
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58 file.write('// '+l)
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59 file.write('__code {0:s}(struct Context* context{1:s}) {{\n'.format(caller_name, args))
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60 else:
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61 file.write(l)
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62 elif not isMetaOrStub and regexed_l is not None and re.search(r"^ *goto",l): # code segment transition.
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63 callee_name = regexed_l.group(0).rstrip('(')
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64 if callee_name == 'start_code' or re.match('meta_|meta$',callee_name):
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65 file.write(l)
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66 elif re.search(r"\(context", l) is None:
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67 connect_meta(file, lines, l, caller_name, callee_name)
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68 # file.write("/*-- connected by script */\n")
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69 # file.write('// '+l)
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70 # meta_name = 'meta_'+caller_name if cs_search(lines, 'meta_'+callee_name) else 'meta'
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71 # file.write("goto {0:s}(context{1:s}, {2:s});\n".format(meta_name, args,\
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72 # callee_name.capitalize()))
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73 else:
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74 file.write(l)
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75 else:
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76 file.write(l)
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77 if defaultMetaIsNotExist:
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78 create_default_metacs(file)
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79
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80 def create_default_metacs(file):
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81 file.write('''
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82 __code meta(struct Context* context, enum Code next) {
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83 goto (context->code[next])(context);
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84 }
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85 ''')
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86
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87 def get_args_from_line(line):
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88 args = line.split('(')[1].rsplit(')')[0].strip()
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89 args = ', ' + args if args else ''
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90 return args
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91
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92
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93 def create_stub(file, name, args):
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94 file.write('''__code {0:s}_stub(struct Context* context) {{
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95 goto {0:s}(context'''.format(name))
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96 for arg in args_str2args_list(args):
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97 file.write(', &context->data['+arg.capitalize()+']->'+arg)
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98 file.write(');\n}\n')
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99
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100 def connect_meta(file, lines, l, caller_name, callee_name):
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101 meta_name = 'meta_'+caller_name if cs_search(lines, 'meta_'+caller_name) else 'meta'
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102 args = get_args_from_line(l)
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103 file.write("/*-- connected by script */\n")
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104 file.write('// '+l)
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105 file.write("goto {0:s}(context".format(meta_name))
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106 for arg in args_str2args_list(args):
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107 file.write(', '+arg)
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108 file.write(', '+callee_name.capitalize()+');\n')
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109
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110 def args_str2args_list(args_str):
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111 args_list = []
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112 temporary_list = args_str.split()
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113 for i,arg in enumerate(temporary_list):
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114 if re.search(r"context,*", arg) is not None:
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115 continue
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116 if re.search(r"[a-zA-Z0-9_] *,$", arg) is not None or i == len(temporary_list)-1:
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117 args_list.append(arg.strip(','))
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118 return args_list
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119
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120 # search meta code segment.
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121 # It returns true when cs was found.
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122 # Find it : __code meta_'name'
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123 def cs_search(lines, name):
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124 for l in lines:
22
c32994789739 allow to write context in arguments list at code segment declaration.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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125 if re.search(r"^ *__code {0:s}\(".format(name),l) is not None:
6
d9f74f325135 name base: fix meta_stub bug.
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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126 return True
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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127 return False
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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128
5
7af72e3e4b62 add name base meta connector
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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129 def main():
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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130 args = get_args()
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131 output = sys.stdout
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132 try:
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133 f = open(args.input_file,'r')
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134 except IOError:
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135 print("cannot open file %s" % input_file)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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136 if args.output is not None:
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137 try:
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138 output = open(args.output[0],'w')
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139 except IOError:
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140 print("cannot open file %s" % args.output)
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141 lines = f.readlines()
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142 connect_list = parse_meta_syntax(lines, output)
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143 main()