Mercurial > hg > CbC > old > CbC_scripts

annotate meta_connector/meta_connector_name.py @ 10:eec116fe2387

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default meta connection
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 15 Sep 2015 17:41:47 +0900
parents 185d545a9a8e
children 09470e372dda
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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. 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 target_cs = False
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39 caller_name = ''
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40 isMetaOrStub = False
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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
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45 # get caller code segment name
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46 if re.search(r"^ *__code",l) is not None:
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47 caller_name = regexed_l.group(0).rstrip('(')
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48 if re.search(r"^ *meta_*|stub$",caller_name) is not None:
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49 isMetaOrStub = True
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50 file.write(l)
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51 else:
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52 isMetaOrStub = False
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53 splited = l.split('(',1)
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54 file.write("/*-- generated by script */\n")
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55 file.write('// '+l)
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56 file.write('{0:s}(struct Context* context, {1:s}'.format(splited[0],splited[1]))
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57 elif not isMetaOrStub and regexed_l is not None and re.search(r"^ *goto",l):
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58 callee_name = regexed_l.group(0).rstrip('(')
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59 if callee_name.startswith('meta_'):
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60 file.write(l)
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61 else:
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62 file.write("/*-- connected by script */\n")
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63 file.write('// '+l)
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64 args = l.split('(')[1].rsplit(')')[0].strip()
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65 args = args + ',' if args else ''
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66 meta_name = 'meta_'+caller_name if meta_search(lines, callee_name) else 'meta'
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67 file.write("goto {0:s}(context, {1:s} {2:s});\n".format(meta_name, args,\
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68 callee_name.capitalize()))
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69 else:
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70 file.write(l)
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71
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72 # search meta code segment.
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73 # Find it : __code meta_'name'
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74 def meta_search(lines, name):
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75 for l in lines:
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76 if re.search(r"^ *__code +meta_{0:s}\(".format(name),l) is not None:
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77 return True
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78 return False
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79
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80 def main():
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81 args = get_args()
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82 output = sys.stdout
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83 try:
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84 f = open(args.input_file,'r')
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85 except IOError:
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86 print("cannot open file %s" % input_file)
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87 if args.output is not None:
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88 try:
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89 output = open(args.output[0],'w')
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90 except IOError:
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91 print("cannot open file %s" % args.output)
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92
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93 lines = f.readlines()
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94 connect_list = parse_meta_syntax(lines, output)
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95
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96 main()