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prt0.winxed
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prt0.winxed
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$include_const "iglobals.pasm";
$include_const "interpinfo.pasm";
$include_const "except_severity.pasm";
const int NO_FILE = 0;
const int PASM_FILE = 1;
const int PIR_FILE = 2;
const int PBC_FILE = 3;
const int MODE_NORMAL = 0;
const int MODE_PREPROCESS = 1;
const int MODE_RUNFILE = 2;
function __PARROT_ENTRY_MAIN__args[anon](var args)
{
string exe_name;
${ shift exe_name, args };
string prog_name;
int input_file_type = NO_FILE;
string output_file = null;
var packfile_pmc = null;
string dummy;
int mode = MODE_NORMAL;
while (elements(args) > 0) {
string sys_arg = args[0];
switch (sys_arg) {
case "-o":
${ shift dummy, args };
${ shift output_file, args };
break;
case "-c":
${ shift dummy, args };
input_file_type = PBC_FILE;
break;
case "-r":
${ shift dummy, args };
mode = MODE_RUNFILE;
break;
case "-E":
${ shift dummy, args };
mode = MODE_PREPROCESS;
break;
case "--runtime-prefix":
__show_runtime_prefix_and_exit();
case "-V":
__show_version_and_exit();
case "-h":
__show_help_and_exit();
default:
prog_name = sys_arg;
goto done_args;
}
}
done_args:
if (prog_name == null || prog_name == "")
__usage_and_exit("Missing program name");
if (mode == MODE_PREPROCESS) {
compreg("PIR").preprocess(prog_name);
exit(0);
}
if (input_file_type == NO_FILE) {
input_file_type = __get_input_file_type(prog_name);
if (input_file_type == NO_FILE)
__usage_and_exit("Invalid file type " + prog_name);
}
if (mode == MODE_RUNFILE) {
string temp_outfile = __get_temporary_output_file(prog_name);
packfile_pmc = compreg("PIR").compile_file(prog_name);
packfile_pmc.write_to_file(temp_outfile);
packfile_pmc = new 'PackfileView';
packfile_pmc.read_from_file(temp_outfile);
}
if (packfile_pmc == null)
packfile_pmc = __default_get_packfile(prog_name, input_file_type);
if (output_file != null) {
packfile_pmc.write_to_file(output_file);
exit(0);
}
for (var init_sub in packfile_pmc.subs_by_tag("init"))
init_sub();
return packfile_pmc;
}
function __PARROT_ENTRY_MAIN__[anon,main](var args)
{
try [allowtailcall] {
var packfile_pmc = __PARROT_ENTRY_MAIN__args(args);
var main_sub = packfile_pmc.main_sub();
return main_sub(args);
} catch (e) {
__handle_error_and_exit(e);
}
}
function __default_get_packfile[anon](string file_name, int file_type)
{
switch (file_type) {
case PIR_FILE:
var pir_compiler = compreg("PIR");
var pf = pir_compiler.compile_file(file_name);
return pf;
case PASM_FILE:
var pasm_compiler = compreg("PASM");
return pasm_compiler.compile_file(file_name);
case PBC_FILE:
var packfile_pmc = new 'PackfileView';
packfile_pmc.read_from_file(file_name);
return packfile_pmc;
default:
return null;
}
}
function __get_input_file_type[anon](string file_name)
{
int len = length(file_name) - 4;
string ext = len >= 0 ? substr(file_name, len) : '';
if (ext == ".pir") return PIR_FILE;
if (ext == ".pbc") return PBC_FILE;
if (len > 0) {
ext = substr(file_name, len - 1);
if (ext == ".pasm") return PASM_FILE;
}
return PIR_FILE;
}
function __handle_error_and_exit[anon](var exception)
{
int severity = exception.severity;
if (severity == EXCEPT_EXIT)
exit(exception.exit_code);
var stderr_pmc = getstderr();
string message = exception.message;
if (message == null || message == "")
message = "No exception handler and no message";
stderr_pmc.print(sprintf("%s\n", [message]));
string line_sep = "";
var bts = exception.backtrace_strings();
for (int i = elements(bts) - 1; i >= 0; i--) {
string bt = bts[i];
var lines = split("\n", bt);
for (string line in lines) {
if (indexof(line, "__PARROT_ENTRY_MAIN__") != -1)
continue;
stderr_pmc.print(sprintf("%s%s", [line_sep, line]));
line_sep = "\n";
}
line_sep = "\nthrown from\n";
}
int exit_code = exception.exit_code;
if (exit_code == 0)
exit_code = 1;
exit(exit_code);
}
function __show_runtime_prefix_and_exit[anon]()
{
string runtime_prefix;
${ interpinfo runtime_prefix, INTERPINFO_RUNTIME_PREFIX };
say(runtime_prefix);
exit(0);
}
function __show_version_and_exit[anon]()
{
var config = getinterp()[IGLOBALS_CONFIG_HASH];
string msg_fmt = <<:
This is Parrot version %s%s built for %s-%s
Copyright (C) 2001-2014, Parrot Foundation.
This code is distributed under the terms of the Artistic License 2.0.
For more details, see the full text of the license in the LICENSE file
included in the Parrot source tree
:>>
;
var msg = sprintf(msg_fmt, [config["VERSION"], config["DEVEL"], config["cpuarch"], config["platform"]]);
say(msg);
exit(0);
}
function __show_help_and_exit[anon]()
{
string msg = <<:
parrot [Options] <file> [<program options...>]
Options:
-h --help
-V --version
-I --include add path to include search
-L --library add path to library search
--hash-seed F00F specify hex value to use as hash seed
-X --dynext add path to dynamic extension search
<Run core options>
-R --runcore fast|slow|bounds
-R --runcore trace|profiling|subprof
-t --trace [flags]
<VM options>
-D --parrot-debug[=HEXFLAGS]
--help-debug
-w --warnings
-G --no-gc
-g --gc ms2|gms|ms|inf set GC type
<GC MS2 options>
--gc-dynamic-threshold=percentage maximum memory wasted by GC
--gc-min-threshold=KB
<GC GMS options>
--gc-nursery-size=percent of sysmem size of gen0 (default 2)
--gc-debug
--leak-test|--destroy-at-end
-. --wait Read a keystroke before starting
--runtime-prefix
<Compiler options>
-v --verbose
-E --pre-process-only
-o --output=FILE
--output-pbc
-O --optimize[=LEVEL]
-a --pasm
-c --pbc
-r --run-pbc
-y --yydebug
-d --imcc-debug[=HEXFLAGS] (see --help-debug)
<Language options>
see docs/running.pod for more
:>>
;
say(msg);
exit(0);
}
function __get_temporary_output_file[anon](string infile)
{
# TODO: Do we need anything else?
return infile + ".pbc";
}
# TODO yet unused
function __usage_and_exit[anon](string msg [optional], int has_msg [opt_flag])
{
var stderr = getstderr();
if (has_msg)
stderr.print(msg + "\n");
stderr.print("parrot -[acEGhrtvVwy.] -[Ddt][HEXFLAGS] [-O[level] ");
stderr.print("[-[LIX] path] [-R runcore] [-o FILE] <file> <args>\n");
exit(1);
}