1 # Capstone Disassembler Engine 2 # By Dang Hoang Vu, 2013 3 from __future__ import print_function 4 import sys, re 5 6 INCL_DIR = '../include/' 7 8 include = [ 'arm.h', 'arm64.h', 'mips.h', 'x86.h', 'ppc.h', 'sparc.h', 'systemz.h', 'xcore.h' ] 9 10 template = { 11 'java': { 12 'header': "// For Capstone Engine. AUTO-GENERATED FILE, DO NOT EDIT\npackage capstone;\n\npublic class %s_const {\n", 13 'footer': "}", 14 'line_format': '\tpublic static final int %s = %s;\n', 15 'out_file': './java/capstone/%s_const.java', 16 # prefixes for constant filenames of all archs - case sensitive 17 'arm.h': 'Arm', 18 'arm64.h': 'Arm64', 19 'mips.h': 'Mips', 20 'x86.h': 'X86', 21 'ppc.h': 'Ppc', 22 'sparc.h': 'Sparc', 23 'systemz.h': 'Sysz', 24 'xcore.h': 'Xcore', 25 'comment_open': '\t//', 26 'comment_close': '', 27 }, 28 'python': { 29 'header': "# For Capstone Engine. AUTO-GENERATED FILE, DO NOT EDIT [%s_const.py]\n", 30 'footer': "", 31 'line_format': '%s = %s\n', 32 'out_file': './python/capstone/%s_const.py', 33 # prefixes for constant filenames of all archs - case sensitive 34 'arm.h': 'arm', 35 'arm64.h': 'arm64', 36 'mips.h': 'mips', 37 'x86.h': 'x86', 38 'ppc.h': 'ppc', 39 'sparc.h': 'sparc', 40 'systemz.h': 'sysz', 41 'xcore.h': 'xcore', 42 'comment_open': '#', 43 'comment_close': '', 44 }, 45 'ocaml': { 46 'header': "(* For Capstone Engine. AUTO-GENERATED FILE, DO NOT EDIT [%s_const.ml] *)\n", 47 'footer': "", 48 'line_format': 'let _%s = %s;;\n', 49 'out_file': './ocaml/%s_const.ml', 50 # prefixes for constant filenames of all archs - case sensitive 51 'arm.h': 'arm', 52 'arm64.h': 'arm64', 53 'mips.h': 'mips', 54 'x86.h': 'x86', 55 'ppc.h': 'ppc', 56 'sparc.h': 'sparc', 57 'systemz.h': 'sysz', 58 'xcore.h': 'xcore', 59 'comment_open': '(*', 60 'comment_close': ' *)', 61 }, 62 } 63 64 # markup for comments to be added to autogen files 65 MARKUP = '//>' 66 67 def gen(lang): 68 global include, INCL_DIR 69 print('Generating bindings for', lang) 70 templ = template[lang] 71 for target in include: 72 prefix = templ[target] 73 outfile = open(templ['out_file'] %(prefix), 'wb') # open as binary prevents windows newlines 74 outfile.write((templ['header'] % (prefix)).encode("utf-8")) 75 76 lines = open(INCL_DIR + target).readlines() 77 78 count = 0 79 for line in lines: 80 line = line.strip() 81 82 if line.startswith(MARKUP): # markup for comments 83 outfile.write(("\n%s%s%s\n" %(templ['comment_open'], \ 84 line.replace(MARKUP, ''), \ 85 templ['comment_close']) ).encode("utf-8")) 86 continue 87 88 if line == '' or line.startswith('//'): 89 continue 90 91 if not line.startswith(prefix.upper()): 92 continue 93 94 tmp = line.strip().split(',') 95 for t in tmp: 96 t = t.strip() 97 if not t or t.startswith('//'): continue 98 f = re.split('\s+', t) 99 100 if f[0].startswith(prefix.upper()): 101 if len(f) > 1 and f[1] not in '//=': 102 print("Error: Unable to convert %s" % f) 103 continue 104 elif len(f) > 1 and f[1] == '=': 105 rhs = ''.join(f[2:]) 106 else: 107 rhs = str(count) 108 count += 1 109 110 try: 111 count = int(rhs) + 1 112 if (count == 1): 113 outfile.write(("\n").encode("utf-8")) 114 except ValueError: 115 if lang == 'ocaml': 116 # ocaml uses lsl for '<<', lor for '|' 117 rhs = rhs.replace('<<', ' lsl ') 118 rhs = rhs.replace('|', ' lor ') 119 # ocaml variable has _ as prefix 120 if rhs[0].isalpha(): 121 rhs = '_' + rhs 122 123 outfile.write((templ['line_format'] %(f[0].strip(), rhs)).encode("utf-8")) 124 125 outfile.write((templ['footer']).encode("utf-8")) 126 outfile.close() 127 128 def main(): 129 try: 130 gen(sys.argv[1]) 131 except: 132 raise RuntimeError("Unsupported binding %s" % sys.argv[1]) 133 134 if __name__ == "__main__": 135 if len(sys.argv) < 2: 136 print("Usage:", sys.argv[0], " <bindings: java|python|ocaml>") 137 sys.exit(1) 138 main() 139
