74 lines
1.7 KiB
Python
74 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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"""带对齐计算 Generator 布局中 ClassGenEnum 的偏移，对比 this_adjust 464"""
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import re
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src = open(r'd:\Users\TermiNexus\Desktop\TransPyC\TransPyV\output\031de2bf1006ef88.ll',
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encoding='utf-8', errors='replace').read()
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def parse_fields(body):
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depth = 0
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fields = []
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cur = ''
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for ch in body:
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if ch == '{':
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depth += 1
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elif ch == '}':
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depth -= 1
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if ch == ',' and depth == 0:
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fields.append(cur.strip())
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cur = ''
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else:
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cur += ch
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if cur.strip():
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fields.append(cur.strip())
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return fields
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def align_of(t):
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t = t.strip()
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if t.endswith('*') or t == 'i64':
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return 8
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if t == 'i32':
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return 4
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if t == 'i16':
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return 2
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if t in ('i8', 'i1'):
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return 1
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return 8
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def size_of(t):
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t = t.strip()
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if t.endswith('*') or t == 'i64':
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return 8
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if t == 'i32':
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return 4
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if t == 'i16':
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return 2
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if t in ('i8', 'i1'):
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return 1
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return 8
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m = re.search(r'%\"273007d50d5852ac.Generator\" = type \{ (.*?) \}', src)
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gfields = parse_fields(m.group(1))
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m2 = re.search(r'%\"fdad6914c4a7d3ce.ClassGenEnum\" = type \{ (.*?) \}', src)
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cfields = parse_fields(m2.group(1))
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print('ClassGenEnum 字段数:', len(cfields))
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# 计算每个字段在 Generator 中的对齐偏移
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offs = []
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cur = 0
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for f in gfields:
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a = align_of(f)
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if cur % a != 0:
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cur += a - (cur % a)
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offs.append(cur)
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cur += size_of(f)
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# 找 ClassGenEnum 完整子序列匹配
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for i in range(len(gfields) - len(cfields) + 1):
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if gfields[i:i+len(cfields)] == cfields:
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print(f'ClassGenEnum 匹配 @字段{i} 对齐偏移{offs[i]}')
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