Skip to content
This repository
tree: e9dea3ce59
Fetching contributors…

Cannot retrieve contributors at this time

file 808 lines (637 sloc) 20.054 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808
#!perl
# Copyright (C) 2001-2012, Parrot Foundation.

use strict;
use warnings;
use lib qw( . lib ../lib ../../lib );

use Test::More;
use Parrot::Test::Util 'create_tempfile';

use Parrot::Test;
use Parrot::Config;
use File::Spec::Functions;

my $parrot_config = "parrot_config" . $PConfig{o};

plan skip_all => 'src/parrot_config.o does not exist' unless -e catfile("src", $parrot_config);

plan tests => 19;

=head1 NAME

t/src/extend.t - Parrot Extension API

=head1 SYNOPSIS

% prove t/src/extend.t

=head1 DESCRIPTION

Tests the extension API.

=cut

sub linedirective
{
    # Provide a #line directive for the C code in the heredoc
    # starting immediately after where this sub is called.
    my $linenum = shift() + 1;
    return "#line " . $linenum . ' "' . __FILE__ . '"' . "\n";
}

c_output_is( <<'CODE', <<'OUTPUT', 'Parrot_PMC_null' );
#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_PMC pmcnull;

    /* Interpreter set-up */
    if (interp) {
        pmcnull = Parrot_pmc_null();
        Parrot_interp_destroy(interp);
    }
    return 0;
}
CODE
OUTPUT


c_output_is( <<'CODE', <<'OUTPUT', 'Parrot_get_root_namespace/Parrot_(un)register_pmc' );
#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_PMC ns;

    /* Interpreter set-up */
    if (interp) {
        ns = Parrot_ns_get_root_namespace(interp);
        Parrot_pmc_gc_register(interp, ns);
        Parrot_pmc_gc_unregister(interp, ns);

        Parrot_printf(interp,"%P\n", ns);
        Parrot_interp_destroy(interp);
    }
    return 0;
}
CODE

OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'Parrot_fprintf');
#include <stdio.h>
// This is to get Parrot_io_STDOUT, is there a better way?
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_PMC pio;
    Parrot_Interp interp = Parrot_interp_new(NULL);
    pio = Parrot_io_STDOUT(interp);

    /* Interpreter set-up */
    if (interp) {
        Parrot_fprintf(interp, pio,"42\n");
    }
    return 0;
}

CODE
42
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'Parrot_printf/Parrot_eprintf with no interp');
#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_printf(NULL,"42\n");
    Parrot_eprintf(NULL,"42\n");
    return 0;
}

CODE
42
42
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'Parrot_new_string' );

#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"
#include "parrot/misc.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_String output, output2;

    /* Interpreter set-up */
    if (interp) {
        output = Parrot_str_new(interp, "Test", 4/*, "iso-8859-1", 0*/);
        Parrot_eprintf(interp, "%S\n", output);

        Parrot_interp_destroy(interp);
    }
    return 0;
}

CODE
Test
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'Parrot_new_string/Parrot_(un)register_string' );

#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_String output, output2;

    /* Interpreter set-up */
    if (interp) {
        output = Parrot_str_new(interp, "Test_reg_unreg", 14/*, "iso-8859-1", 0*/);

        Parrot_str_gc_register(interp, output);
        Parrot_str_gc_unregister(interp, output);

        Parrot_eprintf(interp, "%S\n", output);

        Parrot_interp_destroy(interp);
    }
    return 0;
}

CODE
Test_reg_unreg
OUTPUT


c_output_is( <<'CODE', <<'OUTPUT', 'PMC_set/get_integer' );

#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_Int value = 101010;
    Parrot_PMC testpmc;
    Parrot_Int type, new_value;

    /* Interpreter set-up */
    if (interp) {
        type = Parrot_pmc_get_type_str(interp, Parrot_str_new(interp, "Integer", 0));
        testpmc = Parrot_pmc_new(interp, type);

        Parrot_PMC_set_integer_native(interp, testpmc, value);
        new_value = Parrot_PMC_get_integer(interp, testpmc);

        printf("%ld\n", (long)new_value);

        Parrot_interp_destroy(interp);
    }
    return 0;
}
CODE
101010
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'PMC_set/get_integer_keyed_int' );

#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);

    /* Interpreter set-up */
    if (interp) {
        Parrot_Int type = Parrot_pmc_get_type_str(interp, Parrot_str_new(interp, "ResizablePMCArray", 0));
        Parrot_PMC array = Parrot_pmc_new(interp, type);
        Parrot_Int value = 12345;
        Parrot_Int key = 10;
        Parrot_Int new_value;

        Parrot_PMC_set_integer_keyed_int(interp, array, key, value);

        new_value = Parrot_PMC_get_integer_keyed_int(interp, array, key);

        printf("%ld\n", (long)new_value);
        Parrot_interp_destroy(interp);
    }
    return 0;
}
CODE
12345
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'PMC_set/get_number' );

#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_Float value = 3.1415927;
    Parrot_Int type;
    Parrot_Float new_value;
    Parrot_PMC testpmc;

    /* Interpreter set-up */
    if (interp) {
        type = Parrot_pmc_get_type_str(interp, Parrot_str_new(interp, "Float", 0));
        testpmc = Parrot_pmc_new(interp, type);

        Parrot_PMC_set_number_native(interp, testpmc, value);
        new_value = Parrot_PMC_get_number(interp, testpmc);

        printf("%.7f\n", (double)new_value);

        Parrot_interp_destroy(interp);
    }
    return 0;
}
CODE
3.1415927
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'PMC_set/get_string' );

#include <stdio.h>
#include "parrot/parrot.h"
#include "parrot/extend.h"

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    Parrot_Int type;
    Parrot_String value, new_value;
    Parrot_PMC testpmc;

    /* Interpreter set-up */
    if (interp) {
        type = Parrot_pmc_get_type_str(interp, Parrot_str_new(interp, "String", 0));
        testpmc = Parrot_pmc_new(interp, type);

        value = Parrot_str_new(interp, "Pumpking", 8/*, "iso-8859-1", 0*/);
        Parrot_PMC_set_string_native(interp, testpmc, value);
        new_value = Parrot_PMC_get_string(interp, testpmc);

        Parrot_eprintf(interp, "%S\n", new_value);

        Parrot_interp_destroy(interp);
    }
    return 0;
}
CODE
Pumpking
OUTPUT

my ($TEMP, $temp_pasm) = create_tempfile( SUFFIX => '.pasm', UNLINK => 1 );

print $TEMP <<'EOF';
.pcc_sub _sub1:
get_params ""
print "in sub1\n"
set_returns ""
returncc
.pcc_sub _sub2:
get_params "0", P5
print P5
print "in sub2\n"
set_returns ""
returncc
EOF
close $TEMP;

# compile to pbc
my (undef, $temp_pbc) = create_tempfile( SUFFIX => '.pbc', UNLINK => 1 );
system(".$PConfig{slash}parrot$PConfig{exe}", '-o', $temp_pbc, $temp_pasm);

c_output_is( <<"CODE", <<'OUTPUT', 'call a parrot sub' );

#include <parrot/parrot.h>
#include <parrot/parrot.h>
#include <parrot/extend.h>

/* also both the test PASM and the_test() print to stderr
 * so that buffering in PIO is not an issue */

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    if (interp) {
        Parrot_String temp_pbc_str = Parrot_str_new(interp, "$temp_pbc", 0);
        PackFile* pf = Parrot_pf_read_pbc_file(interp, temp_pbc_str);
        Parrot_String name = Parrot_str_new_constant(interp, "_sub1");
        PMC *sub, *arg;
        Parrot_PMC pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);

        Parrot_pf_set_current_packfile(interp, pbc);
        sub = Parrot_ns_find_current_namespace_global(interp, name);
Parrot_ext_call(interp, sub, "->");
Parrot_eprintf(interp, "back\\n");

/* win32 seems to buffer stderr ? */
Parrot_io_flush_handle(interp, Parrot_io_STDERR(interp));

name = Parrot_str_new_constant(interp, "_sub2");
sub = Parrot_ns_find_current_namespace_global(interp, name);
arg = Parrot_pmc_new(interp, enum_class_String);

Parrot_PMC_set_string_native(interp, arg,
Parrot_str_new(interp, "hello ", 0));

Parrot_ext_call(interp, sub, "P->", arg);
Parrot_eprintf(interp, "back\\n");

Parrot_interp_destroy(interp);
}
return 0;
}

CODE
in sub1
back
hello in sub2
back
OUTPUT

c_output_is( <<"CODE", <<'OUTPUT', 'call a parrot sub using the unified interface' );

#include <parrot/parrot.h>
#include <parrot/extend.h>

/* also both the test PASM and the_test() print to stderr
* so that buffering in PIO is not an issue */

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    if (interp) {
        Parrot_String temp_pbc_str = Parrot_str_new(interp, "$temp_pbc", 0);
        PackFile * pf = Parrot_pf_read_pbc_file(interp, temp_pbc_str);
        Parrot_String name = Parrot_str_new_constant(interp, "_sub1");
        PMC *sub, *arg;
        Parrot_PMC pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);

        Parrot_pf_set_current_packfile(interp, pbc);
        sub = Parrot_ns_find_current_namespace_global(interp, name);
Parrot_ext_call(interp, sub, "->");
Parrot_eprintf(interp, "back\\n");

/* win32 seems to buffer stderr ? */
Parrot_io_flush_handle(interp, Parrot_io_STDERR(interp));

name = Parrot_str_new_constant(interp, "_sub2");
sub = Parrot_ns_find_current_namespace_global(interp, name);
arg = Parrot_pmc_new(interp, enum_class_String);

Parrot_PMC_set_string_native(interp, arg,
Parrot_str_new(interp, "hello ", 0));

Parrot_ext_call(interp, sub, "P->", arg);
Parrot_eprintf(interp, "back\\n");

Parrot_interp_destroy(interp);
}
return 0;
}

CODE
in sub1
back
hello in sub2
back
OUTPUT

($TEMP, my $temp_pir) = create_tempfile( SUFFIX => '.pir', UNLINK => 1 );

print $TEMP <<'EOF';
.sub foo
.param pmc input
print input
print "in sub2\n"
$P0 = new "Integer"
$P0 = 42
.return($P0)
.end
EOF
close $TEMP;

# compile to pbc
(undef, $temp_pbc) = create_tempfile( SUFFIX => '.pbc', UNLINK => 1 );
system(".$PConfig{slash}parrot$PConfig{exe}", '-o', $temp_pbc, $temp_pir);

c_output_is( <<"CODE", <<'OUTPUT', 'call a parrot sub and return an integer' );

#include <parrot/parrot.h>
#include <parrot/extend.h>

/* also both the test PASM and the_test() print to stderr
* so that buffering in PIO is not an issue */

int
main(int argc, const char *argv[])
{
Parrot_Interp interp = Parrot_interp_new(NULL);
if (interp) {
Parrot_String temp_pbc_str = Parrot_str_new(interp, "$temp_pbc", 0);
PackFile* pf = Parrot_pf_read_pbc_file(interp, temp_pbc_str);
Parrot_String name = Parrot_str_new_constant(interp, "foo");
PMC *sub, *arg;
Parrot_Int result;
Parrot_PMC pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);

Parrot_pf_set_current_packfile(interp, pbc);
sub = Parrot_ns_find_current_namespace_global(interp, name);
arg = Parrot_pmc_new(interp, enum_class_String);

Parrot_PMC_set_string_native(interp, arg,
Parrot_str_new(interp, "hello ", 0));

Parrot_ext_call(interp, sub, "P->I", arg, &result);
Parrot_eprintf(interp, "result %d\\n", result);
Parrot_eprintf(interp, "back\\n");

Parrot_interp_destroy(interp);
}
return 0;
}

CODE
hello in sub2
result 42
back
OUTPUT

($TEMP, $temp_pasm) = create_tempfile( SUFFIX => '.pasm', UNLINK => 1 );

print $TEMP <<'EOF';
.pcc_sub _sub1:
get_params ""
print "in sub1\n"
set I1, 0 # Divide by 0 to force exception.
div I2, I1, 0
print "never\n"
returncc
EOF
close $TEMP;

# compile to pbc
system(".$PConfig{slash}parrot$PConfig{exe}", '-o', $temp_pbc, $temp_pasm);

c_output_is( <<"CODE", <<'OUTPUT', 'call a parrot sub, catch exception' );

#include <parrot/parrot.h>
#include <parrot/extend.h>

/* also both the test PASM and the_test() print to stderr
* so that buffering in PIO is not an issue */

int
main(int argc, const char *argv[])
{
Parrot_Interp interp = Parrot_interp_new(NULL);
if (interp) {
Parrot_String temp_pbc_str = Parrot_str_new(interp, "$temp_pbc", 0);
PackFile* pf = Parrot_pf_read_pbc_file(interp, temp_pbc_str);
Parrot_String name = Parrot_str_new_constant(interp, "_sub1");
PMC *sub;
Parrot_runloop jump_point;
Parrot_PMC pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);

Parrot_pf_set_current_packfile(interp, pbc);
sub = Parrot_ns_find_current_namespace_global(interp, name);

if (setjmp(jump_point.resume)) {
Parrot_eprintf(interp, "caught\\n");
}
else {
/* pretend the EH was pushed by the sub call. */
interp->current_runloop_id++;

Parrot_ex_add_c_handler(interp, &jump_point);
Parrot_ext_call(interp, sub, "->");
}

Parrot_eprintf(interp, "back\\n");

Parrot_interp_destroy(interp);
}
return 0;
}

CODE
in sub1
caught
back
OUTPUT

($TEMP, $temp_pir) = create_tempfile( SUFFIX => '.pir', UNLINK => 1 );

print $TEMP <<'EOF';
.sub main :main
.param pmc argv

.local pmc compiler
compreg compiler, 'PIR'

.local string code
code = argv[0]

.local pmc compiled_sub
compiled_sub = compiler( code )

compiled_sub()
end
.end

.sub add :multi( int, int )
.param int l
.param int r

.local int sum
sum = l + r
.return( sum )
.end

.sub add :multi( num, num )
.param num l
.param num r

.local num sum
sum = l + r
.return( sum )
.end
EOF
close $TEMP;

# compile to pbc
system(".$PConfig{slash}parrot$PConfig{exe}", '-o', $temp_pbc, $temp_pir);

SKIP: {
skip "Outdated test with the old embed API [GH #829]", 2;

c_output_is( <<"CODE", <<'OUTPUT', 'eval code through a parrot sub - #39669', todo => "Must explicitly set a PIR compreg");

#include <parrot/parrot.h>

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = NULL;
    Parrot_PMC pf = NULL;
    Parrot_PMC args = NULL;
    const char * code[] = { ".sub foo\\nsay \\"Hello from foo!\\"\\n.end\\n" };

    if (!(Parrot_api_make_interpreter(NULL, NULL, 0, &interp)
      && Parrot_api_load_bytecode_file(interp, "$temp_pbc", &pf)
      && Parrot_api_pmc_wrap_string_array(interp, argc, argv, &args)
      /* FIXME */
      && Parrot_api_load_bytecode_bytes(interp, code, sizeof(code), &pf)))
        exit(EXIT_FAILURE);

    Parrot_api_destroy_interpreter(interp);
    exit(EXIT_SUCCESS);

#if 0
    Parrot_Interp interp = Parrot_interp_new(NULL);
    if (interp) {
        pf = Parrot_pf_read_pbc_file(interp, Parrot_str_new(interp, "$temp_pbc", 0));
        if (packfile) {
            pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);
            Parrot_pf_set_current_packfile(interp, pbc);
            Parrot_runcode( interp, 1, code );
        }

        Parrot_interp_destroy( interp );
    }
    return 0;
#endif
}
CODE
Hello from foo!
OUTPUT

c_output_is( <<'CODE', <<'OUTPUT', 'compile string in a fresh interp - #39986', todo => "Must explicitly set a PIR compreg" );

#include <parrot/parrot.h>
#include <parrot/extend.h>

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp = Parrot_interp_new(NULL);
    const char *code = ".sub foo :main\nprint\"Hello from foo!\\n\"\n.end\n";
    Parrot_PMC retval;
    Parrot_PMC sub;
    Parrot_String code_type, error, foo_name;

    if (interp) {
        code_type = Parrot_str_new_constant( interp, "PIR" );
        retval = Parrot_compile_string( interp, code_type, code, &error );

        if (retval) {
            foo_name = Parrot_str_new_constant( interp, "foo" );
            sub = Parrot_ns_find_current_namespace_global( interp, foo_name );

Parrot_ext_call(interp, sub, "->");
}
Parrot_interp_destroy(interp);
}
return 0;
}
CODE
Hello from foo!
OUTPUT

}

c_output_is( <<"CODE", <<'OUTPUT', 'call multi sub from C - #41511' );
#include <parrot/parrot.h>
#include <parrot/extend.h>

int
main(int argc, const char *argv[])
{
    Parrot_Int result;
    Parrot_PMC sub, pbc;
    PackFile* pf;
    Parrot_Interp interp = Parrot_interp_new(NULL);

    if (interp) {
        Parrot_String temp_pbc_str = Parrot_str_new(interp, "$temp_pbc", 0);
        pf = Parrot_pf_read_pbc_file(interp, temp_pbc_str);
        pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);
        Parrot_pf_set_current_packfile(interp, pbc);

        sub = Parrot_ns_find_current_namespace_global( interp, Parrot_str_new_constant( interp, "add" ) );
Parrot_ext_call(interp, sub, "II->I", 100, 200, &result);
printf( "Result is %d.\\n", result );
Parrot_interp_destroy(interp);
}
return 0;
}
CODE
Result is 300.
OUTPUT

c_output_is( <<"CODE", <<'OUTPUT', 'call multi sub from C - unified interface' );
#include <parrot/parrot.h>
#include <parrot/extend.h>

int
main(int argc, const char *argv[])
{
    Parrot_Int result;
    Parrot_PMC sub, pbc;
    PackFile* pf;
    Parrot_Interp interp = Parrot_interp_new(NULL);

    if (interp) {
        Parrot_String temp_pbc_str = Parrot_str_new(interp, "$temp_pbc", 0);
        pf = Parrot_pf_read_pbc_file(interp, temp_pbc_str);
        pbc = Parrot_pf_get_packfile_pmc(interp, pf, STRINGNULL);
        Parrot_pf_set_current_packfile(interp, pbc);

        sub = Parrot_ns_find_current_namespace_global( interp, Parrot_str_new_constant( interp, "add" ) );
Parrot_ext_call( interp, sub, "II->I", 100, 200, &result );
printf( "Result is %d.\\n", result );
Parrot_interp_destroy(interp);
}
return 0;
}
CODE
Result is 300.
OUTPUT

SKIP: {
    skip "threads need parent for multiple parallel interp [GH #856]", 1
      if $PConfig{HAS_THREADS};

    c_output_is( <<'CODE', <<'OUTPUT', 'multiple Parrot_interp_new/Parrot_x_exit cycles' );

#include <stdio.h>
#include "parrot/parrot.h"

/* this is Parrot_x_exit without the exit()
 * it will call Parrot_interp_really_destroy() as an exit handler
 */
void interp_cleanup(Parrot_Interp, int);

void interp_cleanup(PARROT_INTERP, int status)
{
    handler_node_t *node = interp->exit_handler_list;

    Parrot_block_GC_mark(interp);
    Parrot_block_GC_sweep(interp);

    while (node) {
        handler_node_t * const next = node->next;
        (node->function)(interp, status, node->arg);
        mem_sys_free(node);
        node = next;
    }
}

int
main(int argc, const char *argv[])
{
    Parrot_Interp interp;
    int i, niter = 2;

    for (i = 1; i <= niter; i++) {
        printf("Starting interp %d\n", i);
        fflush(stdout);
        interp = Parrot_interp_new(NULL);
        if (interp) {
            Parrot_interp_set_flag(interp, PARROT_DESTROY_FLAG);

            printf("Destroying interp %d\n", i);
            fflush(stdout);
            interp_cleanup(interp, 0);
        }
    }

    return 0;
}

CODE
Starting interp 1
Destroying interp 1
Starting interp 2
Destroying interp 2
OUTPUT

}

# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4:
Something went wrong with that request. Please try again.