Sweden-Number/tools/specmaker/main.c

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/*
* Option processing and main()
*
* Copyright 2000 Jon Griffiths
*/
#include "specmaker.h"
_globals globals; /* All global variables */
static void do_include (const char *arg)
{
globals.directory = arg;
globals.do_code = 1;
}
static inline const char* strip_ext (const char *str)
{
char *ext = strstr(str, ".dll");
if (ext)
return str_substring (str, ext);
else
return strdup (str);
}
static void do_name (const char *arg)
{
globals.dll_name = strip_ext (arg);
}
static void do_input (const char *arg)
{
globals.input_name = strip_ext (arg);
}
static void do_demangle (const char *arg)
{
globals.do_demangle = 1;
globals.do_code = 1;
globals.input_name = arg;
}
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static void do_code (void)
{
globals.do_code = 1;
}
static void do_trace (void)
{
globals.do_trace = 1;
globals.do_code = 1;
}
static void do_forward (const char *arg)
{
globals.forward_dll = arg;
globals.do_trace = 1;
globals.do_code = 1;
}
static void do_document (void)
{
globals.do_documentation = 1;
}
static void do_cdecl (void)
{
globals.do_cdecl = 1;
}
static void do_quiet (void)
{
globals.do_quiet = 1;
}
static void do_start (const char *arg)
{
globals.start_ordinal = atoi (arg);
if (!globals.start_ordinal)
fatal ("Invalid -s option (must be numeric)");
}
static void do_end (const char *arg)
{
globals.end_ordinal = atoi (arg);
if (!globals.end_ordinal)
fatal ("Invalid -e option (must be numeric)");
}
static void do_verbose (void)
{
globals.do_verbose = 1;
}
struct option
{
const char *name;
int has_arg;
void (*func) ();
const char *usage;
};
static const struct option option_table[] = {
{"-d", 1, do_input, "-d dll Use dll for input file (mandatory)"},
{"-S", 1, do_demangle, "-S sym Demangle C++ symbol 'sym' and exit"},
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{"-h", 0, do_usage, "-h Display this help message"},
{"-I", 1, do_include, "-I dir Look for prototypes in 'dir' (implies -c)"},
{"-o", 1, do_name, "-o name Set the output dll name (default: dll)"},
{"-c", 0, do_code, "-c Generate skeleton code (requires -I)"},
{"-t", 0, do_trace, "-t TRACE arguments (implies -c)"},
{"-f", 1, do_forward, "-f dll Forward calls to 'dll' (implies -t)"},
{"-D", 0, do_document, "-D Generate documentation"},
{"-C", 0, do_cdecl, "-C Assume __cdecl calls (default: __stdcall)"},
{"-s", 1, do_start, "-s num Start prototype search after symbol 'num'"},
{"-e", 1, do_end, "-e num End prototype search after symbol 'num'"},
{"-q", 0, do_quiet, "-q Don't show progress (quiet)."},
{"-v", 0, do_verbose, "-v Show lots of detail while working (verbose)."},
{NULL, 0, NULL, NULL}
};
void do_usage (void)
{
const struct option *opt;
printf ("Usage: specmaker [options] [-d dll | -S sym]\n\nOptions:\n");
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for (opt = option_table; opt->name; opt++)
printf (" %s\n", opt->usage);
puts ("\n");
exit (1);
}
/*******************************************************************
* parse_options
*
* Parse options from the argv array
*/
static void parse_options (char *argv[])
{
const struct option *opt;
char *const *ptr;
const char *arg = NULL;
ptr = argv + 1;
while (*ptr != NULL)
{
for (opt = option_table; opt->name; opt++)
{
if (opt->has_arg && !strncmp (*ptr, opt->name, strlen (opt->name)))
{
arg = *ptr + strlen (opt->name);
if (*arg == '\0')
{
ptr++;
arg = *ptr;
}
break;
}
if (!strcmp (*ptr, opt->name))
{
arg = NULL;
break;
}
}
if (!opt->name)
fatal ("Unrecognized option");
if (opt->has_arg && arg != NULL)
opt->func (arg);
else
opt->func ("");
ptr++;
}
if (!globals.do_demangle && globals.do_code && !globals.directory)
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fatal ("-I must be used if generating code");
if (!globals.input_name)
fatal ("Option -d is mandatory");
if (VERBOSE && QUIET)
fatal ("Options -v and -q are mutually exclusive");
}
/*******************************************************************
* main
*/
#ifdef __GNUC__
int main (int argc __attribute__((unused)), char *argv[])
#else
int main (int argc, char *argv[])
#endif
{
parsed_symbol symbol;
int count = 0;
parse_options (argv);
memset (&symbol, 0, sizeof (parsed_symbol));
if (globals.do_demangle)
{
int result;
globals.uc_dll_name = "";
VERBOSE = 1;
symbol.symbol = strdup(globals.input_name);
result = symbol_demangle (&symbol);
if (symbol.flags & SYM_DATA)
printf (symbol.arg_text[0]);
else
output_prototype (stdout, &symbol);
fputc ('\n', stdout);
return result ? 1 : 0;
}
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dll_open (globals.input_name);
output_spec_preamble ();
output_header_preamble ();
output_c_preamble ();
while (!dll_next_symbol (&symbol))
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{
count++;
if (NORMAL)
printf ("Export %3d - '%s' ...%c", count, symbol.symbol,
VERBOSE ? '\n' : ' ');
if (globals.do_code && count >= globals.start_ordinal
&& (!globals.end_ordinal || count <= globals.end_ordinal))
{
/* Attempt to get information about the symbol */
int result = symbol_demangle (&symbol);
if (result)
result = symbol_search (&symbol);
if (!result && symbol.function_name)
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/* Clean up the prototype */
symbol_clean_string (symbol.function_name);
if (NORMAL)
puts (result ? "[Not Found]" : "[OK]");
}
else if (NORMAL)
puts ("[Ignoring]");
output_spec_symbol (&symbol);
output_header_symbol (&symbol);
output_c_symbol (&symbol);
symbol_clear (&symbol);
}
output_makefile ();
output_install_script ();
if (VERBOSE)
puts ("Finished, Cleaning up...");
return 0;
}