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1 # IR-Structures:
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2 from .instruction import *
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3 from .function import Block
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4
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5 class Module:
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6 """ Main container for a piece of code. """
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7 def __init__(self, name):
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8 self.name = name
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9 self.funcs = []
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10 self.variables = []
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11
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12 def __repr__(self):
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13 return 'IR-module [{0}]'.format(self.name)
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14
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15 def addFunc(self, f):
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16 self.funcs.append(f)
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17
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18 addFunction = addFunc
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19
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20 def addVariable(self, v):
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21 self.variables.append(v)
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22
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23 def getVariables(self):
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24 return self.variables
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25
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26 Variables = property(getVariables)
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27
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28 def getFunctions(self):
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29 return self.funcs
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30
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31 Functions = property(getFunctions)
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32
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33 def findFunction(self, name):
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34 for f in self.funcs:
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35 if f.name == name:
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36 return f
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37 raise KeyError(name)
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38
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39 getFunction = findFunction
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40
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41 def dump(self):
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42 print(self)
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43 for v in self.Variables:
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44 print(' ', v)
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45 for fn in self.Functions:
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46 print(fn)
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47 for bb in fn.BasicBlocks:
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48 print(' ', bb)
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49 for ins in bb.Instructions:
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50 print(' ', ins)
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51
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52 def dumpgv(self, outf):
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53 outf.write('digraph G \n{\n')
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54 for f in self.Functions:
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55 outf.write('{0} [label="{1}" shape=box3d]\n'.format(id(f), f))
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56 for bb in f.BasicBlocks:
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57 contents = str(bb) + '\n'
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58 contents += '\n'.join([str(i) for i in bb.Instructions])
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59 outf.write('{0} [shape=note label="{1}"];\n'.format(id(bb), contents))
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60 for successor in bb.Successors:
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61 outf.write('"{0}" -> "{1}"\n'.format(id(bb), id(successor)))
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62
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63 outf.write('"{0}" -> "{1}" [label="entry"]\n'.format(id(f), id(f.entry)))
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64 outf.write('}\n')
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65
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66 # Analysis functions:
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67 def check(self):
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68 """ Perform sanity check on module """
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69 for f in self.Functions:
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70 f.check()
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71
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72
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