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#!/usr/bin/env python3
"""Generates the builtins map to be used by host_init_verifier.
It copies the builtin function map from builtins.cpp, then replaces do_xxx() functions with the
equivalent check_xxx() if found in check_builtins.cpp.
"""
import re
import argparse
parser = argparse.ArgumentParser('host_builtin_map.py')
parser.add_argument('--builtins', required=True, help='Path to builtins.cpp')
parser.add_argument('--check_builtins', required=True, help='Path to check_builtins.cpp')
args = parser.parse_args()
CHECK_REGEX = re.compile(r'.+check_(\S+)\(.+')
check_functions = []
with open(args.check_builtins) as check_file:
for line in check_file:
match = CHECK_REGEX.match(line)
if match:
check_functions.append(match.group(1))
function_map = []
with open(args.builtins) as builtins_file:
in_function_map = False
for line in builtins_file:
if '// Builtin-function-map start' in line:
in_function_map = True
elif '// Builtin-function-map end' in line:
in_function_map = False
elif in_function_map:
function_map.append(line)
DO_REGEX = re.compile(r'.+do_([^\}]+).+')
FUNCTION_REGEX = re.compile(r'(do_[^\}]+)')
for line in function_map:
match = DO_REGEX.match(line)
if match:
if match.group(1) in check_functions:
line = line.replace('do_', 'check_')
else:
line = FUNCTION_REGEX.sub('check_stub', line)
print(line, end=' ')
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