Ted Kremenek | b098288 | 2008-03-25 22:35:32 +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 | # A reduced version of the 'ccc' script that is designed to handle off |
| 11 | # actual compilation to gcc, but run the code passed to gcc through the |
| 12 | # static analyzer. |
| 13 | # |
| 14 | ##===----------------------------------------------------------------------===## |
| 15 | |
| 16 | import sys |
| 17 | import subprocess |
| 18 | import os |
| 19 | |
| 20 | def error(message): |
| 21 | print >> sys.stderr, 'ccc: ' + message |
| 22 | sys.exit(1) |
| 23 | |
| 24 | def run(args): |
| 25 | print >> sys.stderr, ' '.join(args) |
| 26 | print >> sys.stderr, '\n' |
| 27 | code = subprocess.call(args) |
| 28 | if code > 255: |
| 29 | code = 1 |
| 30 | if code: |
| 31 | sys.exit(code) |
| 32 | |
| 33 | def preprocess(args): |
| 34 | command = 'clang -E'.split() |
| 35 | run(command + args) |
| 36 | |
| 37 | def compile(args): |
| 38 | print >> sys.stderr, '\n' |
| 39 | command = 'gcc'.split() |
| 40 | run(command + args) |
| 41 | |
| 42 | def remove_pch_extension(path): |
| 43 | i = path.rfind('.gch') |
| 44 | if i < 0: |
| 45 | return path |
| 46 | return path[:i] |
| 47 | |
Ted Kremenek | 09c2ad6 | 2008-03-31 18:25:05 +0000 | [diff] [blame] | 48 | def analyze(args,language,output,files,verbose,htmldir): |
Ted Kremenek | 8cb53fb | 2008-04-03 21:29:11 +0000 | [diff] [blame^] | 49 | if language.find("c++") > 0: |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 50 | return |
| 51 | |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 52 | print_args = [] |
| 53 | |
Ted Kremenek | 09c2ad6 | 2008-03-31 18:25:05 +0000 | [diff] [blame] | 54 | if verbose: |
| 55 | print >> sys.stderr, ' '.join(['\n[LOCATION]:', os.getcwd(), '\n' ]) |
| 56 | i = 0 |
| 57 | while i < len(args): |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 58 | print_args.append(''.join([ '\'', args[i], '\'' ])) |
| 59 | i += 1 |
| 60 | |
| 61 | if language.find("header") > 0: |
| 62 | target = remove_pch_extension(output) |
| 63 | command = 'cp'.split() |
| 64 | args = command + files + target.split() |
| 65 | else: |
| 66 | command = 'clang --grsimple'.split() |
Ted Kremenek | 69b6442 | 2008-03-31 21:20:32 +0000 | [diff] [blame] | 67 | args = command + args; |
| 68 | |
| 69 | if htmldir is not None: |
| 70 | args.append('-o') |
| 71 | print_args.append('-o') |
| 72 | args.append(htmldir) |
| 73 | print_args.append(htmldir) |
Ted Kremenek | 09c2ad6 | 2008-03-31 18:25:05 +0000 | [diff] [blame] | 74 | |
| 75 | if verbose: |
| 76 | print >> sys.stderr, ' '.join(command+print_args) |
| 77 | print >> sys.stderr, '\n' |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 78 | |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 79 | subprocess.call(args) |
| 80 | |
| 81 | def link(args): |
| 82 | command = 'gcc'.split() |
| 83 | run(command + args) |
| 84 | |
| 85 | def extension(path): |
| 86 | return path.split(".")[-1] |
| 87 | |
| 88 | def changeextension(path, newext): |
| 89 | i = path.rfind('.') |
| 90 | if i < 0: |
| 91 | return path |
| 92 | j = path.rfind('/', 0, i) |
| 93 | print path |
| 94 | if j < 0: |
| 95 | return path[:i] + "." + newext |
| 96 | return path[j+1:i] + "." + newext |
| 97 | |
| 98 | def inferlanguage(extension): |
| 99 | if extension == "c": |
| 100 | return "c" |
| 101 | elif extension in ["cpp", "cc"]: |
| 102 | return "c++" |
| 103 | elif extension == "i": |
| 104 | return "c-cpp-output" |
| 105 | elif extension == "m": |
| 106 | return "objective-c" |
| 107 | elif extension == "mi": |
| 108 | return "objective-c-cpp-output" |
| 109 | else: |
| 110 | return "unknown" |
| 111 | |
| 112 | def main(args): |
| 113 | old_args = args |
| 114 | action = 'link' |
| 115 | output = '' |
| 116 | compile_opts = [ ] |
| 117 | link_opts = [ ] |
| 118 | files = [] |
| 119 | save_temps = 0 |
| 120 | language = '' |
| 121 | |
Ted Kremenek | 09c2ad6 | 2008-03-31 18:25:05 +0000 | [diff] [blame] | 122 | verbose = 0 |
| 123 | |
| 124 | if os.environ.get('CCC_ANALYZER_VERBOSE') is not None: |
| 125 | verbose =1 |
| 126 | |
| 127 | htmldir = os.environ.get('CCC_ANALYZER_HTML') |
Ted Kremenek | 09c2ad6 | 2008-03-31 18:25:05 +0000 | [diff] [blame] | 128 | |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 129 | i = 0 |
| 130 | while i < len(args): |
| 131 | arg = args[i] |
| 132 | |
| 133 | # Modes ccc supports |
| 134 | if arg == '-E': |
| 135 | action = 'preprocess' |
| 136 | if arg == '-c': |
| 137 | action = 'compile' |
| 138 | if arg.startswith('-print-prog-name'): |
| 139 | action = 'print-prog-name' |
| 140 | if arg == '-save-temps': |
| 141 | save_temps = 1 |
| 142 | |
| 143 | # Options with no arguments that should pass through |
| 144 | if arg in ['-v']: |
| 145 | compile_opts.append(arg) |
| 146 | link_opts.append(arg) |
| 147 | |
| 148 | # Options with one argument that should be ignored |
| 149 | if arg in ['--param', '-arch', '-u']: |
| 150 | i += 1 |
| 151 | |
| 152 | # Prefix matches for the compile mode |
| 153 | if arg[:2] in ['-D', '-I', '-U', '-F']: |
| 154 | if not arg[2:]: |
| 155 | arg += args[i+1] |
| 156 | i += 1 |
| 157 | compile_opts.append(arg) |
| 158 | if arg[:5] in ['-std=']: |
| 159 | compile_opts.append(arg) |
| 160 | |
| 161 | # Options with one argument that should pass through |
| 162 | if arg in ['-include']: |
| 163 | compile_opts.append(arg) |
| 164 | compile_opts.append(args[i+1]) |
| 165 | i += 1 |
| 166 | |
| 167 | # Prefix matches for the link mode |
| 168 | if arg[:2] in ['-l', '-L', '-O', '-F']: |
| 169 | if arg == '-O': arg = '-O1' |
| 170 | if arg == '-Os': arg = '-O2' |
| 171 | link_opts.append(arg) |
| 172 | |
| 173 | # Options with one argument that should pass through |
| 174 | if arg in ['-framework']: |
| 175 | link_opts.append(arg) |
| 176 | link_opts.append(args[i+1]) |
| 177 | i += 1 |
| 178 | |
| 179 | # Input files |
| 180 | if arg == '-filelist': |
| 181 | f = open(args[i+1]) |
| 182 | for line in f: |
| 183 | files.append(line.strip()) |
| 184 | f.close() |
| 185 | i += 1 |
| 186 | if arg == '-x': |
| 187 | language = args[i+1] |
| 188 | i += 1 |
| 189 | if arg[0] != '-': |
| 190 | files.append(arg) |
| 191 | |
| 192 | # Output file |
| 193 | if arg == '-o': |
| 194 | output = args[i+1] |
| 195 | i += 1 |
| 196 | |
| 197 | i += 1 |
| 198 | |
| 199 | if action == 'print-prog-name': |
| 200 | # assume we can handle everything |
| 201 | print sys.argv[0] |
| 202 | return |
| 203 | |
| 204 | if not files: |
| 205 | error('no input files') |
| 206 | |
| 207 | if action == 'preprocess' or save_temps: |
| 208 | compile(args) |
| 209 | |
| 210 | if action == 'compile' or save_temps: |
| 211 | for i, file in enumerate(files): |
| 212 | if not language: |
| 213 | language = inferlanguage(extension(file)) |
| 214 | if save_temps and action != "compile": |
| 215 | # Need a temporary output file |
| 216 | coutput = changeextension(file, "o"); |
| 217 | files[i] = coutput |
| 218 | elif not output: |
| 219 | coutput = changeextension(file, "o") |
| 220 | else: |
| 221 | coutput = output |
| 222 | analyze_args = [ file ] |
| 223 | if language != 'unknown': |
| 224 | analyze_args = analyze_args + [ '-x', language ] |
| 225 | analyze_args = analyze_args + compile_opts |
Ted Kremenek | 09c2ad6 | 2008-03-31 18:25:05 +0000 | [diff] [blame] | 226 | analyze(analyze_args, language, output, files, verbose, htmldir) |
Ted Kremenek | b098288 | 2008-03-25 22:35:32 +0000 | [diff] [blame] | 227 | compile(args) |
| 228 | |
| 229 | |
| 230 | if action == 'link': |
| 231 | link(args) |
| 232 | # analyze(link_opts) |
| 233 | |
| 234 | if __name__ == '__main__': |
| 235 | main(sys.argv[1:]) |