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275
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1
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2 """
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3 Tornado webserver interface to arm-elf-as.
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4 """
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263
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5
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6 import subprocess
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346
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7 try:
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8 import tornado.web
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9 import tornado.ioloop
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10 from tornado.web import RequestHandler
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11 except Exception as e:
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12 print(e)
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13 RequestHandler = object
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14
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275
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15 import io
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263
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16
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346
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17 prefix = 'arm-none-eabi-'
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18 AS = prefix + 'as'
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19 objdump = prefix + 'objdump'
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20
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275
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21 def mangle(inp, outstream):
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22 print('assembling...', file=outstream)
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346
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23 p_as = subprocess.Popen([AS], stdin=subprocess.PIPE)
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263
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24 p_as.communicate(input=inp.encode('ascii'))
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346
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25 if p_as.returncode != 0:
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26 raise Exception('{}'.format(p_as.returncode))
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263
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27
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346
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28 p_objdump = subprocess.Popen([objdump, '-d'], stdout=subprocess.PIPE)
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263
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29 output = p_objdump.communicate()[0].decode('ascii')
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346
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30 if p_objdump.returncode != 0:
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31 raise Exception('{}'.format(p_objdump.returncode))
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275
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32 print(output, file=outstream)
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263
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33
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346
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34 p_objdump = subprocess.Popen([objdump, '-s', '-j', '.text'], stdout=subprocess.PIPE)
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263
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35 output = p_objdump.communicate()[0].decode('ascii')
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346
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36 if p_objdump.returncode != 0:
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37 raise Exception('{}'.format(p_objdump.returncode))
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275
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38 print(output, file=outstream)
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39
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40 page = """
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41 <html>
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42 <head>
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43 </head>
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44 <body>
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45 <h1>
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46
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47 </h1>
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48 <form action="" method="post">
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49 <textarea name="source" rows="25" cols="80">
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50 %src%
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51 </textarea>
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52 <br>
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53 <input type="submit" value="Assemble!">
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54 </form>
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55 <div>
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56 %result%
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57 </div>
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58 </body>
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59 </html>
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60 """
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263
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61
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346
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62 class MainHandler(RequestHandler):
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263
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63 def get(self):
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275
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64 src="sub sp,sp,#8"
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65 self.write(page.replace('%result%', '').replace('%src%', src))
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346
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66
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275
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67 def post(self):
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68 #print(self.request.body)
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69 src = self.get_argument('source')
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70 out = io.StringIO()
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71 mangle(src, out)
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72 txt = out.getvalue()
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73 txt = txt.replace('\n', '<br>')
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74 self.write(page.replace('%result%', txt).replace('%src%', src))
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75
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76
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346
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77 def serve_tornado():
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78 application = tornado.web.Application([(r"/", MainHandler)])
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275
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79 application.listen(8888)
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80 tornado.ioloop.IOLoop.instance().start()
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263
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81
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346
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82 def extract_bytes(txt):
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83 lines = list(filter(None, (line.strip() for line in txt.split('\n'))))
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84 idx = lines.index('Contents of section .text:')
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85
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86 byte_txt = ''
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87 for line in lines[idx+1:]:
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88 parts = list(filter(None, line.split(' ')))
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89 byte_txt += ' '.join(parts[1:-1]) + ' '
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90 byte_txt = byte_txt.strip()
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91 return byte_txt
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92
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93 def run_on_file():
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94 with open('test_patterns.txt', 'r') as f:
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95 data = f.read()
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96
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97 outfile = open('tests.pygen', 'w')
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98 snippets = data.split('===')
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99 for snippet in snippets:
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100 make_test(snippet, outfile)
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101 outfile.close()
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102
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103 def make_test(src, output_file):
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104 out = io.StringIO()
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105 try:
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106 mangle(src, out)
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107 except Exception as e:
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108 return
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109 txt = out.getvalue()
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110 byte_txt = extract_bytes(txt)
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111 print(" def testTODO(self):", file=output_file)
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112 for line in filter(None, src.split('\n')):
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113 print(" self.feed('{}')".format(line), file=output_file)
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114 print(" self.check('{}')".format(byte_txt), file=output_file)
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115
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116 if __name__ == '__main__':
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117 #serve_tornado()
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118 run_on_file()
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