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301
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1 import unittest
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2 import os
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252
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3 import sys
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309
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4 import io
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256
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5 import ppci
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301
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6 from ppci import ir
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307
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7 from ppci import irutils
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300
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8 from ppci.transform import ConstantFolder
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204
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9
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272
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10
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253
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11 class IrCodeTestCase(unittest.TestCase):
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307
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12 def testAdd(self):
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13 v = ir.Add(ir.Const(1), ir.Const(2))
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14
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15
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16 class IrBuilderTestCase(unittest.TestCase):
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253
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17 def setUp(self):
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307
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18 self.b = irutils.Builder()
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253
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19 self.m = ir.Module('test')
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20 self.b.setModule(self.m)
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21
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22 def testBuilder(self):
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23 f = self.b.newFunction('add')
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24 self.b.setFunction(f)
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268
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25 bb = self.b.newBlock()
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274
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26 self.b.emit(ir.Jump(bb))
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268
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27 self.b.setBlock(bb)
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272
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28 self.b.emit(ir.Exp(ir.Const(0)))
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274
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29 self.b.emit(ir.Jump(f.epiloog))
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253
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30 self.m.check()
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31 # Run interpreter:
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268
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32 # r = self.m.getFunction('add').call(1, 2)
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253
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33 #self.assertEqual(3, r)
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34
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272
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35
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277
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36 class PatternMatchTestCase(unittest.TestCase):
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37 def testSimpleTree(self):
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38 t = ir.Term('x')
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39 pat = ir.Binop(ir.Const(2), '+', t)
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40 res, mp = ir.match_tree(ir.Binop(ir.Const(2), '+', 3), pat)
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41 self.assertTrue(res)
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42 self.assertIn(t, mp)
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43 self.assertEqual(3, mp[t])
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44
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45 def testSimpleTree2(self):
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46 t = ir.Term('x')
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47 t2 = ir.Term('y')
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48 pat = ir.Binop(ir.Const(2), '+', ir.Binop(t, '-', t2))
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49 res, mp = ir.match_tree(ir.Binop(ir.Const(2), '+', ir.Binop(2,'-',3)), pat)
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50 self.assertTrue(res)
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51 self.assertIn(t, mp)
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52 self.assertEqual(2, mp[t])
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53 self.assertIn(t2, mp)
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54 self.assertEqual(3, mp[t2])
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55 res, mp = ir.match_tree(ir.Const(2), pat)
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56 self.assertFalse(res)
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57
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58
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204
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59 class ConstantFolderTestCase(unittest.TestCase):
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60 def setUp(self):
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307
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61 self.b = irutils.Builder()
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300
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62 self.cf = ConstantFolder()
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237
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63 self.m = ir.Module('test')
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64 self.b.setModule(self.m)
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204
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65
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66 def testBuilder(self):
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67 f = self.b.newFunction('test')
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68 self.b.setFunction(f)
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274
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69 bb = self.b.newBlock()
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70 self.b.emit(ir.Jump(bb))
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71 self.b.setBlock(bb)
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268
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72 v1 = ir.Const(5)
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73 v2 = ir.Const(7)
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74 v3 = ir.Add(v1, v2)
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274
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75 self.b.emit(ir.Jump(f.epiloog))
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279
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76 self.cf.run(self.m)
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237
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77
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78 def testAdd0(self):
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79 f = self.b.newFunction('test')
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80 self.b.setFunction(f)
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268
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81 self.b.setBlock(self.b.newBlock())
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82 v1 = ir.Const(0)
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309
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83 v3 = ir.Add(v1, ir.Const(0))
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84
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85 class TestWriter(unittest.TestCase):
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86 def testWrite(self):
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87 writer = irutils.Writer()
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88 module = ir.Module('mod1')
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89 function = ir.Function('func1', module)
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90 f = io.StringIO()
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91 writer.write(module, f)
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92 #print(f.getvalue())
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93 f2 = io.StringIO(f.getvalue())
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94 reader = irutils.Reader()
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95 module2 = reader.read(f2)
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96 f = io.StringIO()
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97 writer.write(module2, f)
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98 #print(f.getvalue())
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204
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99
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171
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100
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309
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101 class TestReader(unittest.TestCase):
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102 def testAddExample(self):
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103 reader = irutils.Reader()
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104 with open('../examples/pi/add.pi') as f:
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105 m = reader.read(f)
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106 self.assertTrue(m)
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107 #print(m)
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108
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171
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109
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110 if __name__ == '__main__':
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292
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111 unittest.main()
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252
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112 sys.exit()
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