75 lines
1.6 KiB
Python
75 lines
1.6 KiB
Python
import os
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import re
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import sys
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def extract_structs(filename):
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with open(filename) as file:
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lines = file.readlines()
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txt = ''
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# strip line continuation
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for line in lines:
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if line.strip().endswith('\\'):
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txt += line.strip()[:-1] + ' '
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else:
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txt += line
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# strip directives and comments
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tmp = txt
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txt = ''
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for line in tmp.splitlines():
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if line.strip().startswith('#'):
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continue
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if '//' in line:
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line = line.split('//', 1)[0]
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txt += line + '\n'
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while ('/*' in txt):
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s1 = txt.split('/*', 1)
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s2 = s1[1].split('*/', 1)
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txt = s1[0] + s2[-1]
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# normalize newlines
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txt = txt.replace('\n', ' ')
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txt = txt.replace(';', ';\n')
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txt = txt.replace('{', '{\n')
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while (' ' in txt):
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txt = txt.replace(' ', ' ')
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# strip macros
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txt = re.sub(r'[^a-zA-Z0-9_][A-Z0-9_]+\(.*\)', '', txt)
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# strip blocks
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tmp = txt
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txt = ''
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inside = 0
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for character in tmp:
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if character == '\n':
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if inside == 0:
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txt += character
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else:
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txt += character
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if character == '{':
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inside += 1
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if character == '}':
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inside -= 1
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# extract structs
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tmp = txt
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txt = ''
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for line in tmp.splitlines():
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line = line.strip()
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if '{' not in line:
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continue
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if '}' not in line:
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continue
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if ';' not in line:
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continue
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if not line.startswith('struct '):
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continue
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txt += line + '\n'
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return txt.splitlines()
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