Error handling for some strange NoneType errors
Currently it seems like a top level argument node can be created. Need to check that soon, but not tonight. I am tired Took 38 minutes
This commit is contained in:
parent
1da53dba48
commit
be30f1d264
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@ -1,5 +1,6 @@
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import xml
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import xml.dom.minidom
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import xml.etree.ElementTree as ET
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from abc import ABC, abstractmethod
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from constants import *
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@ -107,7 +108,11 @@ class GeneralUnparser:
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self.unparse_brackets(node)
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elif node.tag == GAZ_BREAK_TAG:
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self.unparse_break(node)
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elif node.tag is None:
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raise NoneTagException("None tag encountered", self.xml)
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else:
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with open("unknown_tag.xml", "w") as f:
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f.write(self.pretty_xml())
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raise Exception("Unknown tag: " + node.tag)
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def unparse_block(self, node):
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@ -319,4 +324,7 @@ class GeneralUnparser:
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def format_single_arg(self, param, param1):
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raise NotImplementedError
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def pretty_xml(self):
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dom = xml.dom.minidom.parseString(ET.tostring(self.xml).decode('utf-8'))
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pretty: str = dom.toprettyxml()
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return pretty
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@ -47,3 +47,11 @@ GAZ_STRING_KEY = "string"
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GAZ_CHAR_KEY = "char"
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GAZ_BRACKET_TAG = "brackets"
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GAZ_BREAK_TAG = "break"
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class NoneTagException(Exception):
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def __init__(self, message, xml):
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super().__init__(message)
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self.xml = xml
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@ -33,7 +33,10 @@ class GazpreaFuzzer:
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self.write_ast() # FIXME sometimes this is none
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self.gaz_source_gen = GazUnparser(self.generator.ast, True)
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self.gaz_source_gen.unparse()
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try:
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self.gaz_source_gen.unparse()
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except NoneTagException as n:
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raise NoneTagException("", n.xml)
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self.ast = self.generator.ast
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self.source = self.gaz_source_gen.source
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@ -55,6 +58,6 @@ class GazpreaFuzzer:
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pretty: str = dom.toprettyxml()
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randint = random.randint(0, 1000)
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print(randint)
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print(randint, file=sys.stderr)
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with open("debug/ast/debug_{}.xml".format(randint), 'w') as f:
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f.write(pretty)
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@ -1,5 +1,6 @@
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import os
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import random
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import warnings
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from contextlib import redirect_stdout
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import yaml
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@ -10,6 +11,9 @@ import argparse
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import xml.dom.minidom
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import xml.etree.ElementTree as ET
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from constants import NoneTagException
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class Fuzzer():
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def __init__(self, config: str, batch: int, seed: str, file_name: str = "fuzz"):
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with open(config) as yaml_file:
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@ -26,11 +30,21 @@ class Fuzzer():
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os.mkdir("fuzzer")
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os.mkdir("fuzzer/input")
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os.mkdir("fuzzer/debug")
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os.mkdir("fuzzer/debug/ast")
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os.mkdir("fuzzer/instream")
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os.mkdir("fuzzer/outputs")
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os.mkdir("fuzzer/ground_truth")
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for i in range(self.batch):
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self.fuzzer.fuzz()
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try:
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self.fuzzer.fuzz()
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except NoneTagException as n:
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r = random.randint(0, 1000000)
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warnings.warn("None Tag Exception encountered, writing stack trace and xml to debug/ast/{}.xml\n"
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"Look for a top-level <argument> tag or send it to Ayrton and I'll see what I can see"
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"".format(r))
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with open("fuzzer/debug/ast/{}.xml".format(r), 'w') as f:
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f.write(xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8')).toprettyxml())
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continue
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dom = xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8'))
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pretty: str = dom.toprettyxml()
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@ -41,7 +55,7 @@ class Fuzzer():
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with redirect_stdout(y): # Workaround for fuzzer.py:49
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try:
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exec(f.read(), globals(), locals())
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except OverflowError:
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except (OverflowError, ZeroDivisionError):
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os.system("rm -f fuzzer/ground_truth/{}_{}.py".format(self.file_name, i))
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continue
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with open("fuzzer/input/{}_{}.in".format(self.file_name, i), 'w') as f:
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603
unknown_tag.xml
Normal file
603
unknown_tag.xml
Normal file
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@ -0,0 +1,603 @@
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<?xml version="1.0" ?>
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<block>
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<procedure name="main" return_type="int" args="()">
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<block>
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<declaration type="int">
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<variable name="Mosur" type="int" mut="var"/>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="multiplication" type="int">
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<lhs>
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<operator op="multiplication" type="int">
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<lhs>
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<literal type="int" value="964"/>
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</lhs>
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<rhs>
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<literal type="int" value="174"/>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<operator op="subtraction" type="int">
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<lhs>
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<literal type="int" value="354"/>
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</lhs>
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<rhs>
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<literal type="int" value="-568"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<operator op="subtraction" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<literal type="int" value="-226"/>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<brackets type="int">
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<rhs>
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<literal type="int" value="-405"/>
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</rhs>
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</brackets>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<brackets type="int">
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<rhs>
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<unary op="noop" type="int">
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<rhs>
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<literal type="int" value="-448"/>
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</rhs>
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</unary>
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</rhs>
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</brackets>
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</rhs>
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</operator>
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</rhs>
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</declaration>
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<return type="int">
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<literal type="int" value="0"/>
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</return>
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</block>
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</procedure>
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<argument name="joree" type="int"/>
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<block>
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<stream type="std_output">
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<unary op="noop" type="int">
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<literal type="int" value="-805"/>
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</lhs>
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<rhs>
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<brackets type="int">
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<rhs>
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<brackets type="int">
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<rhs>
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<operator op="modulo" type="int">
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<lhs>
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<literal type="int" value="-478"/>
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</lhs>
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<rhs>
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<literal type="int" value="-61"/>
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</rhs>
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</operator>
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</rhs>
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</brackets>
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</rhs>
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</brackets>
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</rhs>
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</operator>
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</rhs>
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</unary>
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</stream>
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<return type="int">
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<operator op="addition" type="int">
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<lhs>
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<literal type="int" value="119"/>
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</lhs>
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<rhs>
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<brackets type="int">
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<rhs>
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<brackets type="int">
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<rhs>
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<literal type="int" value="852"/>
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</rhs>
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</brackets>
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</rhs>
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</brackets>
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</rhs>
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</operator>
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</return>
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</block>
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<function name="bendy" return_type="int">
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<argument name="campo" type="int"/>
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<block>
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<stream type="std_output">
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<operator op="subtraction" type="int">
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<lhs>
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<literal type="int" value="182"/>
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</lhs>
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<rhs>
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<brackets type="int">
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<rhs>
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<operator op="power" type="int">
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<lhs>
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<literal type="int" value="-447"/>
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</lhs>
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<rhs>
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<unary op="noop" type="int">
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<literal type="int" value="539"/>
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</lhs>
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<rhs>
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<literal type="int" value="-674"/>
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</rhs>
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</operator>
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</rhs>
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</unary>
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</rhs>
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</operator>
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</rhs>
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</brackets>
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</rhs>
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</operator>
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</stream>
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<return type="int">
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<operator op="subtraction" type="int">
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<lhs>
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<unary op="noop" type="int">
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<rhs>
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<operator op="multiplication" type="int">
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<lhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="division" type="int">
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<lhs>
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<literal type="int" value="-623"/>
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</lhs>
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<rhs>
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<literal type="int" value="233"/>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<literal type="int" value="84"/>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<unary op="noop" type="int">
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<rhs>
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<literal type="int" value="-760"/>
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</rhs>
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</unary>
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</lhs>
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<rhs>
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<operator op="power" type="int">
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<lhs>
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<literal type="int" value="-262"/>
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</lhs>
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<rhs>
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<literal type="int" value="940"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
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</unary>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="subtraction" type="int">
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<lhs>
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<operator op="addition" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<literal type="int" value="-407"/>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<operator op="multiplication" type="int">
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<lhs>
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<literal type="int" value="-132"/>
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</lhs>
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<rhs>
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<literal type="int" value="517"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="addition" type="int">
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<lhs>
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<literal type="int" value="557"/>
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</lhs>
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<rhs>
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<literal type="int" value="-795"/>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<literal type="int" value="286"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="addition" type="int">
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<lhs>
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<literal type="int" value="-547"/>
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</lhs>
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<rhs>
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<operator op="multiplication" type="int">
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<lhs>
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<literal type="int" value="-841"/>
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</lhs>
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<rhs>
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<literal type="int" value="-660"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<operator op="division" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<literal type="int" value="399"/>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<literal type="int" value="-750"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</return>
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</block>
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</function>
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<procedure name="ghazi" return_type="int">
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<argument name="chapt" type="int"/>
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<argument name="nasal" type="int"/>
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<argument name="thiol" type="int"/>
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<argument name="hypho" type="int"/>
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<argument name="remit" type="int"/>
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<argument name="rebia" type="int"/>
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<block>
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<stream type="std_output">
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<brackets type="int">
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<rhs>
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<unary op="noop" type="int">
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<rhs>
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<operator op="subtraction" type="int">
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<lhs>
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<literal type="int" value="331"/>
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</lhs>
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<rhs>
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<literal type="int" value="505"/>
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</rhs>
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</operator>
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</rhs>
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</unary>
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</rhs>
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</brackets>
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</stream>
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<return type="int">
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<operator op="addition" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<brackets type="int">
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<rhs>
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<literal type="int" value="-739"/>
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</rhs>
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</brackets>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="subtraction" type="int">
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<lhs>
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<literal type="int" value="-845"/>
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</lhs>
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<rhs>
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<literal type="int" value="905"/>
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</rhs>
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</operator>
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</lhs>
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<rhs>
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<unary op="noop" type="int">
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<rhs>
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<literal type="int" value="399"/>
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</rhs>
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</unary>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<operator op="addition" type="int">
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<lhs>
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<brackets type="int">
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<rhs>
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<operator op="subtraction" type="int">
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<lhs>
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<literal type="int" value="-571"/>
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</lhs>
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<rhs>
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<literal type="int" value="282"/>
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</rhs>
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</operator>
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</rhs>
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</brackets>
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</lhs>
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<rhs>
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<operator op="subtraction" type="int">
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<lhs>
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<unary op="noop" type="int">
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<rhs>
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<literal type="int" value="61"/>
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</rhs>
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</unary>
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</lhs>
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<rhs>
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<operator op="addition" type="int">
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<lhs>
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<literal type="int" value="-631"/>
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</lhs>
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<rhs>
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<literal type="int" value="726"/>
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</rhs>
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</operator>
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</rhs>
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</operator>
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</rhs>
|
||||
</operator>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<unary op="noop" type="int">
|
||||
<rhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="-685"/>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</rhs>
|
||||
</unary>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</return>
|
||||
<declaration type="int">
|
||||
<variable name="Pokan" type="int" mut="var"/>
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<operator op="subtraction" type="int">
|
||||
<lhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<literal type="int" value="-841"/>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="364"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<operator op="division" type="int">
|
||||
<lhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="753"/>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="-57"/>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="-321"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<unary op="noop" type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="17"/>
|
||||
</rhs>
|
||||
</unary>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="782"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</declaration>
|
||||
<stream type="std_output">
|
||||
<unary op="noop" type="int">
|
||||
<rhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<operator op="subtraction" type="int">
|
||||
<lhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="645"/>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="543"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<operator op="subtraction" type="int">
|
||||
<lhs>
|
||||
<literal type="int" value="51"/>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="-779"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="553"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</rhs>
|
||||
</unary>
|
||||
</stream>
|
||||
<declaration type="int">
|
||||
<variable name="byway" type="int" mut="var"/>
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<operator op="division" type="int">
|
||||
<lhs>
|
||||
<literal type="int" value="959"/>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="-320"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<literal type="int" value="467"/>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<literal type="int" value="-160"/>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<operator op="addition" type="int">
|
||||
<lhs>
|
||||
<literal type="int" value="-137"/>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<operator op="subtraction" type="int">
|
||||
<lhs>
|
||||
<brackets type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="-23"/>
|
||||
</rhs>
|
||||
</brackets>
|
||||
</lhs>
|
||||
<rhs>
|
||||
<unary op="noop" type="int">
|
||||
<rhs>
|
||||
<literal type="int" value="371"/>
|
||||
</rhs>
|
||||
</unary>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</operator>
|
||||
</rhs>
|
||||
</declaration>
|
||||
<assignment>
|
||||
<variable name="Pokan" type="int" mut="var"/>
|
||||
<rhs>
|
||||
<literal type="int" value="734"/>
|
||||
</rhs>
|
||||
</assignment>
|
||||
</block>
|
||||
</procedure>
|
||||
</block>
|
||||
Loading…
Reference in a new issue