unicorn/bindings/const_generator.py
Nguyen Anh Quynh 344d016104 import
2015-08-21 15:04:50 +08:00

101 lines
3.1 KiB
Python

# Unicorn Engine
# By Dang Hoang Vu, 2013
from __future__ import print_function
import sys, re
INCL_DIR = '../include/unicorn/'
include = [ 'arm.h', 'arm64.h', 'mips.h', 'x86.h', 'sparc.h', 'm68k.h' ]
template = {
'python': {
'header': "# For Unicorn Engine. AUTO-GENERATED FILE, DO NOT EDIT [%s_const.py]\n",
'footer': "",
'line_format': '%s = %s\n',
'out_file': './python/unicorn/%s_const.py',
# prefixes for constant filenames of all archs - case sensitive
'arm.h': 'arm',
'arm64.h': 'arm64',
'mips.h': 'mips',
'x86.h': 'x86',
'sparc.h': 'sparc',
'm68k.h': 'm68k',
'comment_open': '#',
'comment_close': '',
},
}
# markup for comments to be added to autogen files
MARKUP = '//>'
def gen(lang):
global include, INCL_DIR
templ = template[lang]
for target in include:
prefix = templ[target]
outfile = open(templ['out_file'] %(prefix), 'w')
outfile.write(templ['header'] % (prefix))
lines = open(INCL_DIR + target).readlines()
count = 0
for line in lines:
line = line.strip()
if line.startswith(MARKUP): # markup for comments
outfile.write("\n%s%s%s\n" %(templ['comment_open'], \
line.replace(MARKUP, ''), templ['comment_close']))
continue
if line == '' or line.startswith('//'):
continue
if not line.startswith(prefix.upper()):
continue
tmp = line.strip().split(',')
for t in tmp:
t = t.strip()
if not t or t.startswith('//'): continue
f = re.split('\s+', t)
if f[0].startswith(prefix.upper()):
if len(f) > 1 and f[1] not in '//=':
print("Error: Unable to convert %s" % f)
continue
elif len(f) > 1 and f[1] == '=':
rhs = ''.join(f[2:])
else:
rhs = str(count)
count += 1
try:
count = int(rhs) + 1
if (count == 1):
outfile.write("\n")
except ValueError:
if lang == 'ocaml':
# ocaml uses lsl for '<<', lor for '|'
rhs = rhs.replace('<<', ' lsl ')
rhs = rhs.replace('|', ' lor ')
# ocaml variable has _ as prefix
if rhs[0].isalpha():
rhs = '_' + rhs
outfile.write(templ['line_format'] %(f[0].strip(), rhs))
outfile.write(templ['footer'])
outfile.close()
def main():
try:
gen(sys.argv[1])
except:
raise RuntimeError("Unsupported binding %s" % sys.argv[1])
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage:", sys.argv[0], " <python>")
sys.exit(1)
main()