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comparison python/ppci/irmach.py @ 323:e9fe6988497c

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Used burg for generating expressions
author Windel Bouwman
date Thu, 30 Jan 2014 19:03:24 +0100
parents 6753763d3bec
children 86b02c98a717
comparison
equal deleted inserted replaced
322:44f336460c2a 323:e9fe6988497c
9 9
10 from target import Instruction 10 from target import Instruction
11 11
12 12
13 class Frame: 13 class Frame:
14 """ 14 """
15 Activation record abstraction. This class contains a flattened 15 Activation record abstraction. This class contains a flattened
16 function. Instructions are selected and scheduled at this stage. 16 function. Instructions are selected and scheduled at this stage.
17 Frames differ per machine. 17 Frames differ per machine.
18 """ 18 """
19 def __init__(self, name): 19 def __init__(self, name):
52 52
53 def render(self): 53 def render(self):
54 """ 54 """
55 Substitutes source, dst and labels in the string 55 Substitutes source, dst and labels in the string
56 """ 56 """
57 x = str(self.assem) 57 if isinstance(self.assem, Instruction):
58 for i, s in enumerate(self.src): 58 x = str(self.assem)
59 p = '%s{}'.format(i) 59 else:
60 x = x.replace(p, str(s)) 60 cn = self.assem.__name__
61 for i, d in enumerate(self.dst): 61 x = '{}, def={}, use={}, other={}'
62 p = '%d{}'.format(i) 62 x = x.format(cn, self.dst, self.src, self.others)
63 x = x.replace(p, str(d))
64 for i, j in enumerate(self.jumps):
65 p = '%l{}'.format(i)
66 x = x.replace(p, str(j))
67 return x 63 return x
68 64
69 65
70 makeIns = AbstractInstruction 66 makeIns = AbstractInstruction