int
main (int argc, char** argv)
{
JCF jcf[1];
int argi, opt;
/* Unlock the stdio streams. */
unlock_std_streams ();
gcc_init_libintl ();
if (argc <= 1)
{
fprintf (stderr, _("jcf-dump: no classes specified\n"));
usage ();
}
jcf_path_init ();
/* We use getopt_long_only to allow single `-' long options. For
some of our options this is more natural. */
while ((opt = getopt_long_only (argc, argv, "o:I:vc", options, NULL)) != -1)
{
switch (opt)
{
case 0:
/* Already handled. */
break;
case 'o':
output_file = optarg;
break;
case 'I':
jcf_path_include_arg (optarg);
break;
case 'v':
verbose++;
break;
case 'c':
flag_disassemble_methods = 1;
break;
case OPT_classpath:
jcf_path_classpath_arg (optarg);
break;
case OPT_bootclasspath:
jcf_path_bootclasspath_arg (optarg);
break;
case OPT_extdirs:
jcf_path_extdirs_arg (optarg);
break;
case OPT_HELP:
help ();
break;
case OPT_VERSION:
version ();
break;
case OPT_JAVAP:
flag_javap_compatible++;
flag_print_constant_pool = 0;
flag_print_attributes = 0;
break;
default:
usage ();
}
}
if (verbose && ! flag_javap_compatible)
flag_print_constant_pool = 1;
if (optind == argc)
{
fprintf (stderr, _("jcf-dump: no classes specified\n"));
usage ();
}
jcf_path_seal (verbose);
if (flag_print_main)
{
flag_print_fields = 0;
flag_print_methods = 0;
flag_print_constant_pool = 0;
flag_print_attributes = 0;
flag_print_class_info = 0;
}
if (output_file)
{
out = fopen (output_file, "w");
if (! out)
{
fprintf (stderr, _("Cannot open '%s' for output.\n"), output_file);
return FATAL_EXIT_CODE;
}
}
else
out = stdout;
if (optind >= argc)
{
fprintf (out, "Reading .class from <standard input>.\n");
open_class ("<stdio>", jcf, 0, NULL);
process_class (jcf);
}
else
{
for (argi = optind; argi < argc; argi++)
{
char *arg = argv[argi];
const char *class_filename = find_class (arg, strlen (arg), jcf, 0);
if (class_filename == NULL)
class_filename = find_classfile (arg, jcf, NULL);
if (class_filename == NULL)
{
perror ("Could not find class");
return FATAL_EXIT_CODE;
}
JCF_FILL (jcf, 4);
if (GET_u4 (jcf->read_ptr) == ZIPMAGIC)
{
long compressed_size, member_size;
int compression_method, filename_length, extra_length;
int general_purpose_bits;
const char *filename;
int total_length;
if (flag_print_class_info)
fprintf (out, "Reading classes from archive %s.\n",
class_filename);
for (;;)
{
int skip = 0;
jcf_filbuf_t save_filbuf = jcf->filbuf;
long magic = JCF_readu4_le (jcf);
if (magic == 0x02014b50 || magic == 0x06054b50)
break; /* got to central directory */
if (magic != 0x04034b50) /* ZIPMAGIC (little-endian) */
{
fprintf (stderr, _("bad format of .zip/.jar archive\n"));
return FATAL_EXIT_CODE;
}
JCF_FILL (jcf, 26);
JCF_SKIP (jcf, 2);
general_purpose_bits = JCF_readu2_le (jcf);
compression_method = JCF_readu2_le (jcf);
JCF_SKIP (jcf, 8);
compressed_size = JCF_readu4_le (jcf);
member_size = JCF_readu4_le (jcf);
filename_length = JCF_readu2_le (jcf);
extra_length = JCF_readu2_le (jcf);
total_length = filename_length + extra_length
+ compressed_size;
if (jcf->read_end - jcf->read_ptr < total_length)
jcf_trim_old_input (jcf);
JCF_FILL (jcf, total_length);
filename = (const char *) jcf->read_ptr;
JCF_SKIP (jcf, filename_length);
JCF_SKIP (jcf, extra_length);
if (filename_length > 0
&& filename[filename_length-1] == '/')
{
if (flag_print_class_info)
fprintf (out, "[Skipping directory %.*s]\n",
filename_length, filename);
skip = 1;
}
else if (compression_method != 0)
{
if (flag_print_class_info)
fprintf (out, "[Skipping compressed file %.*s]\n",
filename_length, filename);
skip = 1;
}
else if (member_size < 4
|| GET_u4 (jcf->read_ptr) != 0xcafebabe)
{
if (flag_print_class_info)
fprintf (out, "[Skipping non-.class member %.*s]\n",
filename_length, filename);
skip = 1;
}
else
{
if (flag_print_class_info)
fprintf (out, "Reading class member: %.*s.\n",
filename_length, filename);
}
if (skip)
{
JCF_SKIP (jcf, compressed_size);
}
else
{
unsigned char *save_end;
jcf->filbuf = jcf_unexpected_eof;
save_end = jcf->read_end;
jcf->read_end = jcf->read_ptr + compressed_size;
process_class (jcf);
jcf->filbuf = save_filbuf;
jcf->read_end = save_end;
}
}
}
else
{
if (flag_print_class_info)
fprintf (out, "Reading .class from %s.\n", class_filename);
process_class (jcf);
}
JCF_FINISH(jcf);
}
}
return SUCCESS_EXIT_CODE;
}
/*
* process java-specific compiler command-line options
* return 0, but do not complain if the option is not recognized.
*/
static int
java_handle_option (size_t scode, const char *arg, int value)
{
enum opt_code code = (enum opt_code) scode;
switch (code)
{
case OPT_I:
jcf_path_include_arg (arg);
break;
case OPT_M:
jcf_dependency_init (1);
dependency_tracking |= DEPEND_ENABLE;
break;
case OPT_MD_:
jcf_dependency_init (1);
dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
break;
case OPT_MF:
jcf_dependency_set_dep_file (arg);
dependency_tracking |= DEPEND_FILE_ALREADY_SET;
break;
case OPT_MM:
jcf_dependency_init (0);
dependency_tracking |= DEPEND_ENABLE;
break;
case OPT_MMD_:
jcf_dependency_init (0);
dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
break;
case OPT_MP:
jcf_dependency_print_dummies ();
break;
case OPT_MT:
jcf_dependency_set_target (arg);
dependency_tracking |= DEPEND_TARGET_SET;
break;
case OPT_Wall:
flag_wall = value;
/* When -Wall given, enable -Wunused. We do this because the C
compiler does it, and people expect it. */
warn_unused = value;
break;
case OPT_fenable_assertions_:
add_enable_assert (arg, value);
break;
case OPT_fenable_assertions:
add_enable_assert ("", value);
break;
case OPT_fdisable_assertions_:
add_enable_assert (arg, !value);
break;
case OPT_fdisable_assertions:
add_enable_assert ("", !value);
break;
case OPT_fassume_compiled_:
add_assume_compiled (arg, !value);
break;
case OPT_fassume_compiled:
add_assume_compiled ("", !value);
break;
case OPT_fbootclasspath_:
jcf_path_bootclasspath_arg (arg);
break;
case OPT_faux_classpath:
case OPT_fclasspath_:
case OPT_fCLASSPATH_:
jcf_path_classpath_arg (arg);
break;
case OPT_fcompile_resource_:
resource_name = arg;
break;
case OPT_fdump_:
if (!dump_switch_p (arg))
return 0;
break;
case OPT_fencoding_:
/* Nothing. */
break;
case OPT_fextdirs_:
jcf_path_extdirs_arg (arg);
break;
case OPT_foutput_class_dir_:
/* FIXME: remove; this is handled by ecj1 now. */
break;
case OPT_version:
v_flag = 1;
break;
case OPT_fsource_filename_:
java_read_sourcefilenames (arg);
break;
default:
if (cl_options[code].flags & CL_Java)
break;
gcc_unreachable ();
}
return 1;
}
