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110
|
1
|
|
155
|
2 class Instruction:
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|
104
|
3 """ Base class for all instructions. """
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|
70
|
4 pass
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|
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5
|
|
158
|
6 # Function calling:
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|
70
|
7 class CallInstruction(Instruction):
|
|
110
|
8 def __init__(self, callee, arguments):
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|
|
9 super().__init__()
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10 self.callee = callee
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11 self.arguments = arguments
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158
|
12 def __repr__(self):
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|
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13 return 'CALL {0}'.format(self.callee)
|
|
110
|
14
|
|
158
|
15 class RetInstruction(Instruction):
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16 def __repr__(self):
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|
17 return 'RET'
|
|
70
|
18
|
|
|
19 class BinaryOperator(Instruction):
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|
158
|
20 def __init__(self, name, operation, value1, value2):
|
|
110
|
21 assert value1
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|
|
22 assert value2
|
|
157
|
23 #print('operation is in binops:', operation in BinOps)
|
|
104
|
24 # Check types of the two operands:
|
|
158
|
25 self.name = name
|
|
104
|
26 self.value1 = value1
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|
|
27 self.value2 = value2
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|
|
28 self.operation = operation
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|
158
|
29 def __repr__(self):
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|
|
30 return '{0} = {1} {2}, {3}'.format(self.name, self.operation, self.value1, self.value2)
|
|
70
|
31
|
|
158
|
32 class LoadInstruction(Instruction):
|
|
|
33 def __init__(self, name, value):
|
|
157
|
34 self.value = value
|
|
158
|
35 self.name = name
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|
|
36 def __repr__(self):
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|
|
37 return 'load {0} = {1}'.format(self.name, self.value)
|
|
157
|
38
|
|
158
|
39 class BranchInstruction(Instruction):
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|
40 def __init__(self, t1, t2):
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41 self.t1 = t1
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|
42 self.t2 = t2
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43 def __repr__(self):
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|
|
44 return 'BRANCH {0}'.format(self.t1)
|
