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382
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1
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2 class Layout:
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3 def __init__(self):
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4 self.mems = []
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5
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6 def __eq__(self, other):
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7 return self.mems == other.mems
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8
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9
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10 class Memory:
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11 def __init__(self, address=0x0):
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12 self.inputs = []
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13 self.address = address
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14 self.size = 0x0
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15
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16 def add_input(self, inp):
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17 assert isinstance(inp, Input)
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18 self.inputs.append(inp)
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19
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20
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21 class Input:
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22 pass
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23
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24
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25 class SectionInput(Input):
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26 def __init__(self, section_name):
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27 self.section_name = section_name
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28
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29
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30 def load_layout(f):
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31 return deserialize(json.load(f))
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32
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33
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34 def make_int(txt):
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35 if txt.startswith('0x'):
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36 return int(txt[2:], 16)
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37 else:
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38 return int(txt)
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39
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40
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41 class LayoutParser:
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42 def __init__(self):
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43 toks = ['ID', '{', '}', 'MEMORY', 'ALIGN', '.', pyyacc.EPS, pyyacc.EOF]
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44 g = pyyacc.Grammar(toks)
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45 g.add_production('layout', ['MEMORY', '{', 'input_list', '}'])
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46 g.add_production('input_list', ['MEMORY', '{', 'input_list', '}'])
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47
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48
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49 def deserialize(d):
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50 layout = Layout()
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51 for mem_node in d['memories']:
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52 m = Memory()
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53 m.address = make_int(mem_node['address'])
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54 m.size = make_int(mem_node['size'])
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55 for input_node in mem_node['inputs']:
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56 pass
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57 return layout
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58
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