author | Lennard de Rijk <ljvderijk@gmail.com> |
Sun, 22 Feb 2009 19:12:25 +0000 | |
changeset 1464 | a7b00937b678 |
parent 828 | f5fd65cc3bf3 |
permissions | -rwxr-xr-x |
828
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1 |
"""ANTLR3 runtime package""" |
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|
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# begin[licence] |
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# |
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# [The "BSD licence"] |
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# Copyright (c) 2005-2008 Terence Parr |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions |
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# are met: |
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# 1. Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# 2. Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# 3. The name of the author may not be used to endorse or promote products |
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# derived from this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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# |
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# end[licence] |
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import sys |
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import optparse |
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import antlr3 |
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class _Main(object): |
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def __init__(self): |
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self.stdin = sys.stdin |
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self.stdout = sys.stdout |
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self.stderr = sys.stderr |
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|
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|
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def parseOptions(self, argv): |
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optParser = optparse.OptionParser() |
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optParser.add_option( |
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"--encoding", |
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action="store", |
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type="string", |
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dest="encoding" |
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54 |
) |
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optParser.add_option( |
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"--input", |
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action="store", |
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type="string", |
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dest="input" |
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60 |
) |
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optParser.add_option( |
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"--interactive", "-i", |
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action="store_true", |
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dest="interactive" |
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65 |
) |
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optParser.add_option( |
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"--no-output", |
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action="store_true", |
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dest="no_output" |
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) |
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optParser.add_option( |
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"--profile", |
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action="store_true", |
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dest="profile" |
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75 |
) |
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76 |
optParser.add_option( |
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"--hotshot", |
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78 |
action="store_true", |
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dest="hotshot" |
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80 |
) |
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81 |
|
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82 |
self.setupOptions(optParser) |
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83 |
|
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84 |
return optParser.parse_args(argv[1:]) |
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85 |
|
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86 |
|
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87 |
def setupOptions(self, optParser): |
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88 |
pass |
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89 |
|
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90 |
|
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91 |
def execute(self, argv): |
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options, args = self.parseOptions(argv) |
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93 |
|
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94 |
self.setUp(options) |
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95 |
|
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96 |
if options.interactive: |
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97 |
while True: |
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98 |
try: |
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99 |
input = raw_input(">>> ") |
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100 |
except (EOFError, KeyboardInterrupt): |
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101 |
self.stdout.write("\nBye.\n") |
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102 |
break |
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103 |
|
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|
104 |
inStream = antlr3.ANTLRStringStream(input) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
105 |
self.parseStream(options, inStream) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
106 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
107 |
else: |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
108 |
if options.input is not None: |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
109 |
inStream = antlr3.ANTLRStringStream(options.input) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
110 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
111 |
elif len(args) == 1 and args[0] != '-': |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
112 |
inStream = antlr3.ANTLRFileStream( |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
113 |
args[0], encoding=options.encoding |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
114 |
) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
115 |
|
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
116 |
else: |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
117 |
inStream = antlr3.ANTLRInputStream( |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
118 |
self.stdin, encoding=options.encoding |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
119 |
) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
120 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
121 |
if options.profile: |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
122 |
try: |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
123 |
import cProfile as profile |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
124 |
except ImportError: |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
125 |
import profile |
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|
126 |
|
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|
127 |
profile.runctx( |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
128 |
'self.parseStream(options, inStream)', |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
129 |
globals(), |
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parents:
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|
130 |
locals(), |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
131 |
'profile.dat' |
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|
132 |
) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
133 |
|
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parents:
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|
134 |
import pstats |
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parents:
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|
135 |
stats = pstats.Stats('profile.dat') |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
136 |
stats.strip_dirs() |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
137 |
stats.sort_stats('time') |
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Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
138 |
stats.print_stats(100) |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
139 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
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|
140 |
elif options.hotshot: |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
141 |
import hotshot |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
142 |
|
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parents:
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|
143 |
profiler = hotshot.Profile('hotshot.dat') |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
144 |
profiler.runctx( |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
145 |
'self.parseStream(options, inStream)', |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
146 |
globals(), |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
147 |
locals() |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
148 |
) |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
149 |
|
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
150 |
else: |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
151 |
self.parseStream(options, inStream) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
152 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
153 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
154 |
def setUp(self, options): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
155 |
pass |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
156 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
157 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
158 |
def parseStream(self, options, inStream): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
159 |
raise NotImplementedError |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
160 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
161 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
162 |
def write(self, options, text): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
163 |
if not options.no_output: |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
164 |
self.stdout.write(text) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
165 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
166 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
167 |
def writeln(self, options, text): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
168 |
self.write(options, text + '\n') |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
169 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
170 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
171 |
class LexerMain(_Main): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
172 |
def __init__(self, lexerClass): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
173 |
_Main.__init__(self) |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
174 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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|
175 |
self.lexerClass = lexerClass |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
176 |
|
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
177 |
|
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Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
178 |
def parseStream(self, options, inStream): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
179 |
lexer = self.lexerClass(inStream) |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
180 |
for token in lexer: |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
181 |
self.writeln(options, str(token)) |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
182 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
183 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
184 |
class ParserMain(_Main): |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
185 |
def __init__(self, lexerClassName, parserClass): |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
186 |
_Main.__init__(self) |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
187 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
188 |
self.lexerClassName = lexerClassName |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
189 |
self.lexerClass = None |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
190 |
self.parserClass = parserClass |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
191 |
|
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
192 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
193 |
def setupOptions(self, optParser): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
194 |
optParser.add_option( |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
195 |
"--lexer", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
196 |
action="store", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
197 |
type="string", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
198 |
dest="lexerClass", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
199 |
default=self.lexerClassName |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
200 |
) |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
201 |
optParser.add_option( |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
202 |
"--rule", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
203 |
action="store", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
204 |
type="string", |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
205 |
dest="parserRule" |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
206 |
) |
f5fd65cc3bf3
Load /Users/solydzajs/Downloads/google_appengine into
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
207 |
|
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
208 |
|
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
209 |
def setUp(self, options): |
f5fd65cc3bf3
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
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changeset
|
210 |
lexerMod = __import__(options.lexerClass) |
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self.lexerClass = getattr(lexerMod, options.lexerClass) |
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def parseStream(self, options, inStream): |
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lexer = self.lexerClass(inStream) |
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tokenStream = antlr3.CommonTokenStream(lexer) |
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parser = self.parserClass(tokenStream) |
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result = getattr(parser, options.parserRule)() |
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if result is not None: |
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if hasattr(result, 'tree'): |
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221 |
if result.tree is not None: |
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self.writeln(options, result.tree.toStringTree()) |
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223 |
else: |
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self.writeln(options, repr(result)) |
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|
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226 |
|
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class WalkerMain(_Main): |
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def __init__(self, walkerClass): |
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_Main.__init__(self) |
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230 |
|
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231 |
self.lexerClass = None |
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self.parserClass = None |
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self.walkerClass = walkerClass |
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234 |
|
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235 |
|
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236 |
def setupOptions(self, optParser): |
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237 |
optParser.add_option( |
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238 |
"--lexer", |
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239 |
action="store", |
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240 |
type="string", |
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241 |
dest="lexerClass", |
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242 |
default=None |
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|
243 |
) |
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244 |
optParser.add_option( |
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245 |
"--parser", |
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246 |
action="store", |
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247 |
type="string", |
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248 |
dest="parserClass", |
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249 |
default=None |
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|
250 |
) |
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251 |
optParser.add_option( |
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|
252 |
"--parser-rule", |
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|
253 |
action="store", |
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|
254 |
type="string", |
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|
255 |
dest="parserRule", |
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|
256 |
default=None |
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|
257 |
) |
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|
258 |
optParser.add_option( |
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|
259 |
"--rule", |
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|
260 |
action="store", |
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|
261 |
type="string", |
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262 |
dest="walkerRule" |
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|
263 |
) |
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|
264 |
|
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|
265 |
|
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266 |
def setUp(self, options): |
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|
267 |
lexerMod = __import__(options.lexerClass) |
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268 |
self.lexerClass = getattr(lexerMod, options.lexerClass) |
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|
269 |
parserMod = __import__(options.parserClass) |
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270 |
self.parserClass = getattr(parserMod, options.parserClass) |
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|
271 |
|
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272 |
|
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273 |
def parseStream(self, options, inStream): |
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274 |
lexer = self.lexerClass(inStream) |
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275 |
tokenStream = antlr3.CommonTokenStream(lexer) |
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276 |
parser = self.parserClass(tokenStream) |
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277 |
result = getattr(parser, options.parserRule)() |
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278 |
if result is not None: |
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279 |
assert hasattr(result, 'tree'), "Parser did not return an AST" |
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280 |
nodeStream = antlr3.tree.CommonTreeNodeStream(result.tree) |
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281 |
nodeStream.setTokenStream(tokenStream) |
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282 |
walker = self.walkerClass(nodeStream) |
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283 |
result = getattr(walker, options.walkerRule)() |
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|
284 |
if result is not None: |
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|
285 |
if hasattr(result, 'tree'): |
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286 |
self.writeln(options, result.tree.toStringTree()) |
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287 |
else: |
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288 |
self.writeln(options, repr(result)) |
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289 |