Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # The LLVM Compiler Infrastructure |
| 4 | # |
| 5 | # This file is distributed under the University of Illinois Open Source |
| 6 | # License. See LICENSE.TXT for details. |
| 7 | # |
| 8 | ##===----------------------------------------------------------------------===## |
| 9 | # |
| 10 | # This script attempts to be a drop-in replacement for gcc. |
| 11 | # |
| 12 | ##===----------------------------------------------------------------------===## |
| 13 | |
| 14 | import sys |
Anders Carlsson | dac2b54 | 2008-02-06 19:03:27 +0000 | [diff] [blame] | 15 | import subprocess |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 16 | |
| 17 | def error(message): |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 18 | print >> sys.stderr, 'ccc: ' + message |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 19 | sys.exit(1) |
| 20 | |
Seo Sanghyeon | d389465 | 2008-04-04 11:02:21 +0000 | [diff] [blame] | 21 | def quote(arg): |
| 22 | if '"' in arg: |
| 23 | return repr(arg) |
| 24 | return arg |
| 25 | |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 26 | def run(args): |
Seo Sanghyeon | d389465 | 2008-04-04 11:02:21 +0000 | [diff] [blame] | 27 | print ' '.join(map(quote, args)) |
Anders Carlsson | dac2b54 | 2008-02-06 19:03:27 +0000 | [diff] [blame] | 28 | code = subprocess.call(args) |
Bill Wendling | 550ce0f | 2008-02-03 21:27:46 +0000 | [diff] [blame] | 29 | if code > 255: |
| 30 | code = 1 |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 31 | if code: |
| 32 | sys.exit(code) |
| 33 | |
| 34 | def preprocess(args): |
Anders Carlsson | dac2b54 | 2008-02-06 19:03:27 +0000 | [diff] [blame] | 35 | command = 'clang -E'.split() |
| 36 | run(command + args) |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 37 | |
| 38 | def compile(args): |
Anders Carlsson | dac2b54 | 2008-02-06 19:03:27 +0000 | [diff] [blame] | 39 | command = 'clang -emit-llvm-bc'.split() |
| 40 | run(command + args) |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 41 | |
| 42 | def link(args): |
Lauro Ramos Venancio | de808ca | 2008-02-27 18:46:32 +0000 | [diff] [blame] | 43 | command = 'llvm-ld -native -disable-internalize'.split() |
Anders Carlsson | dac2b54 | 2008-02-06 19:03:27 +0000 | [diff] [blame] | 44 | run(command + args) |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 45 | |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 46 | def extension(path): |
Seo Sanghyeon | 795aaed | 2008-02-03 03:40:41 +0000 | [diff] [blame] | 47 | return path.split(".")[-1] |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 48 | |
| 49 | def changeextension(path, newext): |
Seo Sanghyeon | 795aaed | 2008-02-03 03:40:41 +0000 | [diff] [blame] | 50 | i = path.rfind('.') |
| 51 | if i < 0: |
| 52 | return path |
Bill Wendling | 550ce0f | 2008-02-03 21:27:46 +0000 | [diff] [blame] | 53 | j = path.rfind('/', 0, i) |
| 54 | print path |
| 55 | if j < 0: |
| 56 | return path[:i] + "." + newext |
| 57 | return path[j+1:i] + "." + newext |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 58 | |
| 59 | def inferlanguage(extension): |
| 60 | if extension == "c": |
| 61 | return "c" |
Lauro Ramos Venancio | 279876b | 2008-02-15 22:35:25 +0000 | [diff] [blame] | 62 | elif extension in ["cpp", "cc"]: |
| 63 | return "c++" |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 64 | elif extension == "i": |
| 65 | return "c-cpp-output" |
| 66 | elif extension == "m": |
| 67 | return "objective-c" |
| 68 | elif extension == "mi": |
| 69 | return "objective-c-cpp-output" |
| 70 | else: |
| 71 | return "unknown" |
| 72 | |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 73 | def main(args): |
| 74 | action = 'link' |
| 75 | output = '' |
Seo Sanghyeon | 96b99f7 | 2008-01-25 14:57:54 +0000 | [diff] [blame] | 76 | compile_opts = [] |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 77 | link_opts = [] |
| 78 | files = [] |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 79 | save_temps = 0 |
| 80 | language = '' |
| 81 | |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 82 | i = 0 |
| 83 | while i < len(args): |
| 84 | arg = args[i] |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 85 | |
| 86 | # Modes ccc supports |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 87 | if arg == '-E': |
| 88 | action = 'preprocess' |
| 89 | if arg == '-c': |
| 90 | action = 'compile' |
Seo Sanghyeon | 96b99f7 | 2008-01-25 14:57:54 +0000 | [diff] [blame] | 91 | if arg.startswith('-print-prog-name'): |
| 92 | action = 'print-prog-name' |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 93 | if arg == '-save-temps': |
| 94 | save_temps = 1 |
| 95 | |
| 96 | # Options with no arguments that should pass through |
| 97 | if arg in ['-v']: |
| 98 | compile_opts.append(arg) |
| 99 | link_opts.append(arg) |
| 100 | |
| 101 | # Options with one argument that should be ignored |
Anders Carlsson | c720d9b | 2008-01-31 23:48:19 +0000 | [diff] [blame] | 102 | if arg in ['--param', '-arch', '-u']: |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 103 | i += 1 |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 104 | |
| 105 | # Prefix matches for the compile mode |
| 106 | if arg[:2] in ['-D', '-I', '-U', '-F']: |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 107 | if not arg[2:]: |
| 108 | arg += args[i+1] |
| 109 | i += 1 |
| 110 | compile_opts.append(arg) |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 111 | if arg[:5] in ['-std=']: |
| 112 | compile_opts.append(arg) |
| 113 | |
| 114 | # Options with one argument that should pass through |
Ted Kremenek | 39a7973 | 2008-04-19 18:42:26 +0000 | [diff] [blame] | 115 | if arg in ['-include', '-isysroot']: |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 116 | compile_opts.append(arg) |
| 117 | compile_opts.append(args[i+1]) |
| 118 | i += 1 |
| 119 | |
| 120 | # Prefix matches for the link mode |
| 121 | if arg[:2] in ['-l', '-L', '-O', '-F']: |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 122 | if arg == '-O': arg = '-O1' |
| 123 | if arg == '-Os': arg = '-O2' |
| 124 | link_opts.append(arg) |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 125 | |
| 126 | # Options with one argument that should pass through |
Ted Kremenek | 39a7973 | 2008-04-19 18:42:26 +0000 | [diff] [blame] | 127 | if arg in ['-framework', '-isysroot']: |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 128 | link_opts.append(arg) |
| 129 | link_opts.append(args[i+1]) |
| 130 | i += 1 |
| 131 | |
| 132 | # Input files |
| 133 | if arg == '-filelist': |
| 134 | f = open(args[i+1]) |
| 135 | for line in f: |
| 136 | files.append(line.strip()) |
| 137 | f.close() |
| 138 | i += 1 |
| 139 | if arg == '-x': |
| 140 | language = args[i+1] |
| 141 | i += 1 |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 142 | if arg[0] != '-': |
| 143 | files.append(arg) |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 144 | |
| 145 | # Output file |
| 146 | if arg == '-o': |
| 147 | output = args[i+1] |
| 148 | i += 1 |
| 149 | |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 150 | i += 1 |
| 151 | |
Seo Sanghyeon | 96b99f7 | 2008-01-25 14:57:54 +0000 | [diff] [blame] | 152 | if action == 'print-prog-name': |
| 153 | # assume we can handle everything |
| 154 | print sys.argv[0] |
| 155 | return |
| 156 | |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 157 | if not files: |
| 158 | error('no input files') |
| 159 | |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 160 | if action == 'preprocess' or save_temps: |
| 161 | for i, file in enumerate(files): |
| 162 | if not language: |
| 163 | language = inferlanguage(extension(file)) |
| 164 | if save_temps and action != 'preprocess': |
| 165 | # Need a temporary output file |
| 166 | if language == 'c': |
| 167 | poutput = changeextension(file, "i"); |
| 168 | elif language == 'objective-c': |
| 169 | poutput = changeextension(file, "mi"); |
| 170 | else: |
| 171 | poutput = changeextension(file, "tmp." + extension(file)) |
| 172 | files[i] = poutput |
| 173 | else: |
| 174 | poutput = output |
| 175 | if poutput: |
| 176 | args = ['-x', language, '-o', poutput, file] + compile_opts |
| 177 | else: |
| 178 | args = ['-x', language, file] + compile_opts |
| 179 | preprocess(args) |
| 180 | # Discard the explicit language after used once |
| 181 | language = '' |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 182 | |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 183 | if action == 'compile' or save_temps: |
| 184 | for i, file in enumerate(files): |
| 185 | if not language: |
| 186 | language = inferlanguage(extension(file)) |
| 187 | if save_temps and action != "compile": |
| 188 | # Need a temporary output file |
| 189 | coutput = changeextension(file, "o"); |
| 190 | files[i] = coutput |
| 191 | elif not output: |
| 192 | coutput = changeextension(file, "o") |
| 193 | else: |
| 194 | coutput = output |
| 195 | args = ['-x', language, '-o', coutput, file] + compile_opts |
| 196 | compile(args) |
| 197 | language = '' |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 198 | |
| 199 | if action == 'link': |
| 200 | for i, file in enumerate(files): |
Anders Carlsson | c720d9b | 2008-01-31 23:48:19 +0000 | [diff] [blame] | 201 | ext = extension(file) |
| 202 | if ext != "o" and ext != "a": |
Anders Carlsson | d125bb1 | 2008-01-29 07:21:34 +0000 | [diff] [blame] | 203 | out = changeextension(file, "o") |
| 204 | args = ['-o', out, file] + compile_opts |
Seo Sanghyeon | 2bfa533 | 2008-01-10 01:43:47 +0000 | [diff] [blame] | 205 | compile(args) |
| 206 | files[i] = out |
| 207 | if not output: |
| 208 | output = 'a.out' |
| 209 | args = ['-o', output] + link_opts + files |
| 210 | link(args) |
| 211 | |
| 212 | if __name__ == '__main__': |
| 213 | main(sys.argv[1:]) |