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eval.t
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eval.t
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#! perl
# Copyright (C) 2001-2009, Parrot Foundation.
use strict;
use warnings;
use lib qw( . lib ../lib ../../lib );
use Test::More;
use Parrot::Test::Util 'create_tempfile';
use Parrot::Test tests => 17;
=head1 NAME
t/pmc/eval.t - Dynamic Code Evaluation
=head1 SYNOPSIS
% prove t/pmc/eval.t
=head1 DESCRIPTION
Tests on-the-fly PASM, PIR and PAST compilation and invocation.
=cut
pasm_output_is( <<'CODE', <<'OUTPUT', "eval_sc" );
compreg P1, "PASM" # get compiler
set_args "0", "print \"in eval\\n\"\nset_returns \"()\"\nreturncc\n"
invokecc P1 # compile
get_results "0", P0
invokecc P0 # eval code P0
print "back again\n"
end
CODE
in eval
back again
OUTPUT
pasm_output_is( <<'CODE', <<'OUTPUT', "call subs in evaled code " );
set S5, ".pcc_sub _foo:\n"
concat S5, "print \"foo\\n\"\n"
concat S5, "set_returns \"()\"\n"
concat S5, "returncc\n"
compreg P1, "PASM"
set_args "0", S5
invokecc P1
get_results "0", P2
elements I0, P2
say I0
get_global P0, "_foo"
invokecc P0
print "back\n"
end
CODE
1
foo
back
OUTPUT
pasm_output_is( <<'CODE', <<'OUTPUT', "call 2 subs in evaled code " );
set S5, ".pcc_sub _foo:\n"
concat S5, "print \"foo\\n\"\n"
concat S5, "set_returns \"()\"\n"
concat S5, "returncc\n"
concat S5, ".pcc_sub _bar:\n"
concat S5, "print \"bar\\n\"\n"
concat S5, "set_returns \"()\"\n"
concat S5, "returncc\n"
compreg P1, "PASM"
set_args "0", S5
invokecc P1
get_results "0", P6
get_global P2, "_foo"
invokecc P2
print "back\n"
get_global P2, "_bar"
invokecc P2
print "fin\n"
end
CODE
foo
back
bar
fin
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "PIR compiler sub" );
.sub test :main
.local pmc compiler
get_global compiler, "xcompile"
compreg "XPASM", compiler
.local pmc my_compiler
my_compiler = compreg "XPASM"
.local pmc the_sub
.local string code
code = "print \"ok\\n\"\n"
code .= "set_returns \"()\"\n"
code .= "returncc\n"
the_sub = my_compiler("_foo", code)
the_sub()
the_sub = get_global "_foo"
the_sub()
.end
.sub xcompile
.param string sub_name
.param string code
$S0 = ".pcc_sub "
$S0 .= sub_name
$S0 .= ":\n"
$S0 .= code
.local pmc pasm_compiler
pasm_compiler = compreg "PASM"
# print $S0
$P0 = pasm_compiler($S0)
.return($P0)
.end
CODE
ok
ok
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "bug #31467" );
.sub main :main
$P1 = new ['Hash']
$P0 = find_name "_builtin"
$P1['builtin'] = $P0
$P2 = compreg "PIR"
$S0 = ".sub main\nprint \"dynamic\\n\"\n.end\n"
$P0 = $P2($S0)
$P1['dynamic'] = $P0
set_global "funcs", $P1
$S0 = ".sub main\n$P1 = get_global\"funcs\"\n"
$S0 .= "$P0 = $P1['dynamic']\n$P0()\n"
$S0 .= "$P0 = $P1['builtin']\n$P0()\n"
$S0 .= ".end\n"
$P2 = compreg "PIR"
$P0 = $P2($S0)
$P0()
end
.end
.sub _builtin
print "builtin\n"
.end
CODE
dynamic
builtin
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "PIR compiler sub PASM" );
.sub main :main
register_compiler()
.local pmc compiler, invokable
compiler = compreg "PUTS"
invokable = compiler("ok 1")
invokable()
.end
.sub register_compiler
$P0 = get_global "puts"
compreg "PUTS", $P0
.end
.sub puts
.param string printme
.local pmc pasm_compiler, retval
pasm_compiler = compreg "PASM"
.local string code
code = "print \""
code .= printme
code .= "\\n\"\n"
code .= "set_returns \"()\"\n"
code .= "returncc\n"
retval = pasm_compiler( code )
.return (retval)
.end
CODE
ok 1
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "PIR compiler sub PIR" );
.sub main :main
register_compiler()
.local pmc compiler, invokable
compiler = compreg "PUTS"
invokable = compiler( "ok 1" )
invokable()
.end
.sub register_compiler
.local pmc counter
counter = new ['Integer']
counter = 0
set_global "counter", counter
$P0 = get_global "_puts"
compreg "PUTS", $P0
.end
.sub _puts
.param string printme
.local pmc pir_compiler, retval
pir_compiler = compreg "PIR"
.local pmc counter
counter = get_global "counter"
inc counter
.local string code
code = ".sub anonymous"
$S0 = counter
code .= $S0
code .= " :anon\n"
code .= "print \""
code .= printme
code .= "\\n\"\n"
code .=".end\n"
retval = pir_compiler( code )
.return (retval)
.end
CODE
ok 1
OUTPUT
my (undef, $temp_pbc) = create_tempfile( SUFFIX => '.pbc', UNLINK => 1 );
my (undef, $temp2_pbc) = create_tempfile( SUFFIX => '.pbc', UNLINK => 1 );
pir_output_is( <<"CODE", <<'OUTPUT', "eval.get_string" );
.sub main :main
.local pmc f1, f2
.local pmc io
f1 = compi("foo_1", "hello from foo_1")
\$S0 = f1
io = new ['FileHandle']
io.'open'("$temp_pbc", 'w')
print io, \$S0
io.'close'()
load_bytecode "$temp_pbc"
f2 = compi("foo_2", "hello from foo_2")
io.'open'("$temp2_pbc", 'w')
print io, f2
io.'close'()
load_bytecode "$temp2_pbc"
.end
.sub compi
.param string name
.param string printme
.local string code
.local pmc pir_compiler, retval
pir_compiler = compreg "PIR"
code = ".sub "
code .= name
code .= " :load\\n"
code .= "print \\""
code .= printme
code .= "\\\\n\\"\\n"
code .= ".end\\n"
retval = pir_compiler(code)
.return (retval)
.end
CODE
hello from foo_1
hello from foo_2
OUTPUT
(my $temp_name = $temp_pbc) =~ s/\.pbc$//;
(my $temp2_name = $temp2_pbc) =~ s/\.pbc$//;
pir_output_is( <<"CODE", <<'OUTPUT', "check loaded lib hash" );
.sub main
load_bytecode "$temp_pbc"
load_bytecode "$temp2_pbc"
.local pmc pbc_hash, interp
.include 'iglobals.pasm'
interp = getinterp
pbc_hash = interp[.IGLOBALS_PBC_LIBS]
\$I0 = elements pbc_hash
print \$I0
print ' '
\$I1 = exists pbc_hash['$temp_name']
print \$I1
print ' '
\$I2 = exists pbc_hash['$temp2_name']
print \$I2
print ' '
\$S0 = pbc_hash['$temp2_name']
# print \$S0 not portable
\$I3 = index \$S0, '$temp2_name'
\$I4 = isgt \$I3, -1
say \$I4
.end
CODE
hello from foo_1
hello from foo_2
2 1 1 1
OUTPUT
(my $fh, $temp_pbc) = create_tempfile( SUFFIX => '.pbc', UNLINK => 1 );
close $fh;
pir_output_is( <<"CODE", <<'OUTPUT', "eval.get_string - same file" );
.sub main :main
.local pmc f1, f2
.local pmc io, os
f1 = compi("foo_1", "hello from foo_1")
\$S0 = f1
io = new ['FileHandle']
io.'open'("$temp_pbc", 'w')
print io, \$S0
io.'close'()
load_bytecode "$temp_pbc"
f2 = compi("foo_2", "hello from foo_2")
io.'open'("$temp_pbc", 'w')
print io, f2
io.'close'()
load_bytecode "$temp_pbc"
.end
.sub compi
.param string name
.param string printme
.local string code
.local pmc pir_compiler, retval
pir_compiler = compreg "PIR"
code = ".sub "
code .= name
code .= " :load\\n"
code .= "print \\""
code .= printme
code .= "\\\\n\\"\\n"
code .= ".end\\n"
retval = pir_compiler(code)
.return (retval)
.end
CODE
hello from foo_1
OUTPUT
my (undef, $temp_file) = create_tempfile( UNLINK => 1 );
pir_output_is( <<"CODE", <<'OUTPUT', "eval.freeze" );
.sub main :main
.local pmc f, e
.local pmc io
f = compi("foo_1", "hello from foo_1")
\$S0 = freeze f
io = new ['FileHandle']
io.'open'("$temp_file", 'w')
print io, \$S0
io.'close'()
say "written"
.end
.sub compi
.param string name
.param string printme
.local string code
.local pmc pir_compiler, retval
pir_compiler = compreg "PIR"
code = ".sub "
code .= name
code .= "\\n"
code .= "print \\""
code .= printme
code .= "\\\\n\\"\\n"
code .= ".end\\n"
retval = pir_compiler(code)
.return (retval)
.end
CODE
written
OUTPUT
pir_output_is( <<"CODE", <<'OUTPUT', "eval.thaw");
.sub main :main
.local pmc io, e
.local string file
.local int size
file = "$temp_file"
io = new ['FileHandle']
io.'open'(file, 'rb')
\$S0 = io.'readall'()
io.'close'()
e = thaw \$S0
sweep 1 # ensure all of the object survives GC
e()
e = get_global "foo_1"
e()
.end
CODE
hello from foo_1
hello from foo_1
OUTPUT
pir_output_is( <<"CODE", <<'OUTPUT', "eval.freeze+thaw" );
.sub main :main
.local pmc f, e
.local pmc io
f = compi("foo_1", "hello from foo_1")
\$S0 = freeze f
io = new ['FileHandle']
io.'open'("$temp_file", 'wb')
print io, \$S0
io.'close'()
say "written"
"read"()
.end
.sub compi
.param string name
.param string printme
.local string code
.local pmc pir_compiler, retval
pir_compiler = compreg "PIR"
code = ".sub "
code .= name
code .= "\\n"
code .= <<"MORE"
noop
noop
noop
noop
MORE
code .= "print \\""
code .= printme
code .= "\\\\n\\"\\n"
code .= ".end\\n"
retval = pir_compiler(code)
.return (retval)
.end
.sub "read"
.local pmc io, e
.local string file
.local int size
file = "$temp_file"
io = new ['FileHandle']
io.'open'(file, 'rb')
\$S0 = io.'readall'()
io.'close'()
e = thaw \$S0
e()
e = get_global "foo_1"
e()
.end
CODE
written
hello from foo_1
hello from foo_1
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "get_pmc_keyed_int" );
.sub main :main
.local string code
.local pmc e, s, compi
code = <<"EOC"
.sub foo
noop
.end
.sub bar
noop
.end
EOC
compi = compreg "PIR"
e = compi(code)
s = e[0]
print s
print "\n"
s = e[1]
print s
print "\n"
.end
CODE
foo
bar
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "catch compile err" );
.sub main :main
push_eh handler
$P2 = compreg "PIR"
$S0 = <<"EPIR"
.sub foo
print a typo
.end
EPIR
$P0 = $P2($S0)
$P0()
end
handler:
print "ok\n"
.end
CODE
ok
OUTPUT
my ($TEMP, $filename) = create_tempfile( SUFFIX => '.pir', UNLINK => 1 );
print $TEMP <<PIR;
.sub foo
print a typo
.end
PIR
close $TEMP;
pir_error_output_like( <<"CODE", <<'OUTPUT', "compile err in load_bytecode" );
.sub main :main
load_bytecode "$filename"
print "never\\n"
end
.end
CODE
/undefined identifier/
OUTPUT
pir_output_is( <<'CODE', <<'OUTPUT', "catch compile err in load_bytecode" );
.sub main :main
push_eh handler
load_bytecode "$filename"
print "never\n"
end
handler:
print "ok\n"
.end
CODE
ok
OUTPUT
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4: