llvm-project/llvm/utils/add_argument_names.py

83 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python3
import re, sys
def fix_string(s):
TYPE = re.compile('\s*(i[0-9]+|float|double|x86_fp80|fp128|ppc_fp128|\[\[.*?\]\]|\[2 x \[\[[A-Z_0-9]+\]\]\]|<.*?>|{.*?}|\[[0-9]+ x .*?\]|%["a-z:A-Z0-9._]+({{.*?}})?|%{{.*?}}|{{.*?}}|\[\[.*?\]\])(\s*(\*|addrspace\(.*?\)|dereferenceable\(.*?\)|byval\(.*?\)|sret|zeroext|inreg|returned|signext|nocapture|align \d+|swiftself|swifterror|readonly|noalias|inalloca|nocapture))*\s*')
counter = 0
if 'i32{{.*}}' in s:
counter = 1
at_pos = s.find('@')
if at_pos == -1:
at_pos = 0
annoying_pos = s.find('{{[^(]+}}')
if annoying_pos != -1:
at_pos = annoying_pos + 9
paren_pos = s.find('(', at_pos)
if paren_pos == -1:
return s
res = s[:paren_pos+1]
s = s[paren_pos+1:]
m = TYPE.match(s)
while m:
res += m.group()
s = s[m.end():]
if s.startswith(',') or s.startswith(')'):
res += f' %{counter}'
counter += 1
next_arg = s.find(',')
if next_arg == -1:
break
res += s[:next_arg+1]
s = s[next_arg+1:]
m = TYPE.match(s)
return res+s
def process_file(contents):
PREFIX = re.compile(r'check-prefix(es)?(=|\s+)([a-zA-Z0-9,]+)')
check_prefixes = ['CHECK']
result = ''
for line in contents.split('\n'):
if 'FileCheck' in line:
m = PREFIX.search(line)
if m:
check_prefixes.extend(m.group(3).split(','))
found_check = False
for prefix in check_prefixes:
if prefix in line:
found_check = True
break
if not found_check or 'define' not in line:
result += line + '\n'
continue
# We have a check for a function definition. Number the args.
line = fix_string(line)
result += line + '\n'
return result
def main():
print(f'Processing {sys.argv[1]}')
f = open(sys.argv[1])
content = f.read()
f.close()
content = process_file(content)
f = open(sys.argv[1], 'w')
f.write(content)
f.close()
if __name__ == '__main__':
main()