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Operations.nqp
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Operations.nqp
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class QAST::OperationsJS {
my %ops;
my %hll_ops;
my %inlinable;
my %result_type;
my %hll_unbox;
sub add_op($op, $cb, :$inlinable = 1, :$hll) {
if $hll {
%hll_ops{$hll} := nqp::hash() unless nqp::existskey(%hll_ops, $hll);
%hll_ops{$hll}{$op} := $cb;
} else {
%ops{$op} := $cb;
}
%inlinable{$op} := $inlinable;
}
sub op_template($comp, $node, $return_type, @argument_types, $cb, :$ctx, :$decont, :$method_call, :$takes_hll, :$await) {
my @exprs;
my @setup;
my @decont;
if nqp::islist($decont) {
for $decont -> $index {
@decont[$index] := 1;
}
}
elsif nqp::defined($decont) {
@decont[$decont] := 1;
}
if $node.list > @argument_types {
nqp::die("{+$node.list} arguments for {$node.op}, the maximum is {+@argument_types}");
}
my int $i := 0;
for $node.list -> $arg {
my $chunk := $comp.as_js($arg, :want(@argument_types[$i]));
@exprs.push(@decont[$i] ?? "(/*await*/ {$chunk.expr}.\$\$decont($*CTX))" !! $chunk.expr);
@setup.push($chunk);
$i := $i + 1;
}
if $takes_hll {
if $method_call {
nqp::splice(@exprs, 'HLL', 1, 0);
} else {
@exprs.unshift('HLL');
}
}
if $ctx {
if $method_call {
nqp::splice(@exprs, nqp::list($*CTX), 1, 0);
} else {
@exprs.unshift($*CTX);
}
}
my $expr := $cb(|@exprs);
Chunk.new($return_type, $await ?? "(/*await*/ $expr)" !! $expr, @setup, :$node);
}
sub runtime_op($op) {
sub (*@args) {
"nqp.op.$op({nqp::join(',', @args)})";
}
}
sub method_call($op) {
sub (*@args) {
nqp::shift(@args) ~ '.$$' ~ $op ~ '(' ~ nqp::join(',', @args) ~ ')'
}
}
sub add_simple_op($op, $return_type, @argument_types, $cb?, :$side_effects, :$ctx, :$inlinable = 1, :$decont, :$method_call, :$takes_hll, :$hll, :$await) {
add_op($op, sub ($comp, $node, :$want) {
my $gen_code := $cb ?? $cb !! ($method_call ?? method_call($op) !! runtime_op($op));
my $chunk := op_template($comp, $node, $return_type, @argument_types, $gen_code, :$ctx, :$decont, :$method_call, :$takes_hll, :$await);
$side_effects ?? $comp.stored_result($chunk, :$want) !! $chunk;
}, :$inlinable, :$hll);
set_op_result_type($op, $return_type);
}
sub add_hll_op($op) {
%ops{$op} := sub ($comp, $node, :$want) {
my @operands := $node.list;
$comp.as_js(QAST::Op.new(
:op('call'),
:returns(str),
QAST::Op.new(
:op('gethllsym'),
QAST::SVal.new( :value('nqp') ),
QAST::SVal.new( :value($op) )
),
|@operands ), :$want);
};
}
sub add_infix_op($op, $left_type, $syntax, $right_type, $return_type) {
%ops{$op} := sub ($comp, $node, :$want) {
my $left := $comp.as_js($node[0], :want($left_type));
my $right := $comp.as_js($node[1], :want($right_type));
Chunk.new($return_type, "({$left.expr} $syntax {$right.expr})", [$left, $right], :$node);
};
}
# Sets op native result type at a core level.
sub set_op_result_type(str $op, $type) {
if $type == $T_INT {
%result_type{$op} := int;
}
elsif $type == $T_NUM {
%result_type{$op} := num;
}
elsif $type == $T_STR {
%result_type{$op} := str;
}
}
# Sets returns on an op node if we it has a native result type.
method attach_result_type($hll, $node) {
my str $op := $node.op;
if nqp::existskey(%result_type, $op) {
$node.returns(%result_type{$op});
}
}
method is_inlinable(str $hll, str $op) {
return %inlinable{$op};
}
# The code being compiled has access to this class as "nqp::getcomp('QAST').operations".
# We expose &add_op as a method so that it can call it.
method add_op(*@args, *%args) {
add_op(|@args, |%args);
}
method add_simple_op(*@args, *%args) {
add_simple_op(|@args, |%args);
}
method OBJ() { $T_OBJ }
method INT() { $T_INT }
method INT64() { $T_INT64 }
method UINT64() { $T_UINT64 }
method STR() { $T_STR }
method NUM() { $T_NUM }
method BOOL() { $T_BOOL }
method VOID() { $T_VOID }
method quote_string($str) { quote_string($str) }
method new_chunk(*@args) { Chunk.new(|@args) }
add_simple_op('setcontspec', $T_OBJ, [$T_OBJ, $T_STR, $T_OBJ], :side_effects, :decont(0));
sub do_assign($comp, $node, $op_name, $value_kind) {
my $cont := $comp.as_js($node[0], :want($T_OBJ));
my $value := $comp.as_js($node[1], :want($value_kind));
my $deconted := $value_kind == $T_OBJ ?? "(/*await*/ {$value.expr}.\$\$decont($*CTX))" !! $value.expr;
Chunk.new($T_OBJ, $cont.expr, [
$cont,
$value,
"/*await*/ " ~ $cont.expr ~ '.$$' ~ $op_name ~ '(' ~ $*CTX ~ ', ' ~ $deconted ~ ");\n"
]);
}
sub add_assign_op($op_name, $value_kind) {
# TODO If possible lower it to a bind instead just like on the moarvm backend
# POTENTIAL OPTIMALIZATION
add_op($op_name, sub ($comp, $node, :$want) {
do_assign($comp, $node, $op_name, $value_kind);
});
}
sub add_native_assign_op($op_name, $value_kind) {
add_op($op_name, sub ($comp, $node, :$want) {
unless +$node.list == 2 {
nqp::die("The '$op_name' op needs 2 arguments, got " ~ +$node.list);
}
if $want != $T_CALL_ARG && $*BLOCK.try_get_bind_scope($node[0]) -> $bind_scope {
# Can lower it to a bind instead.
my $target := nqp::clone($node[0]);
$target.scope($bind_scope);
$comp.as_js(QAST::Op.new(:op('bind'), $target, $node[1]), :$want);
}
else {
do_assign($comp, $node, $op_name, $value_kind);
}
});
}
add_assign_op('assignunchecked', $T_OBJ);
add_assign_op('assign', $T_OBJ);
add_native_assign_op('assign_i', $T_INT);
add_native_assign_op('assign_n', $T_NUM);
add_native_assign_op('assign_s', $T_STR);
add_native_assign_op('assign_i64', $T_INT64);
add_native_assign_op('assign_u64', $T_UINT64);
add_simple_op('decont', $T_OBJ, [$T_OBJ], :method_call, :ctx, :await);
add_simple_op('decont_i', $T_INT, [$T_OBJ], :method_call, :ctx, :await);
add_simple_op('decont_n', $T_NUM, [$T_OBJ], :method_call, :ctx, :await);
add_simple_op('decont_s', $T_STR, [$T_OBJ], :method_call, :ctx, :await);
add_simple_op('iscont', $T_INT, [$T_OBJ]);
add_simple_op('isrwcont', $T_INT, [$T_OBJ]);
add_simple_op('iscont_i', $T_INT, [$T_OBJ]);
add_simple_op('iscont_s', $T_INT, [$T_OBJ]);
add_simple_op('iscont_n', $T_INT, [$T_OBJ]);
add_op('coerce_is', sub ($comp, $node, :$want) {
$comp.coerce($comp.as_js($node[0], :want($T_INT)), $T_STR);
});
add_op('coerce_si', sub ($comp, $node, :$want) {
$comp.coerce($comp.as_js($node[0], :want($T_STR)), $T_INT);
});
add_infix_op('add_n', $T_NUM, '+', $T_NUM, $T_NUM);
add_infix_op('sub_n', $T_NUM, '-', $T_NUM, $T_NUM);
add_infix_op('mul_n', $T_NUM, '*', $T_NUM, $T_NUM);
# TODO - think about divide by zero
add_infix_op('div_n', $T_NUM, '/', $T_NUM, $T_NUM);
add_infix_op('mod_n', $T_NUM, '%', $T_NUM, $T_NUM);
add_simple_op('mod_n', $T_NUM, [$T_NUM, $T_NUM]);
add_simple_op('neg_n', $T_NUM, [$T_NUM], sub ($num) {"(-$num)"});
add_simple_op('neg_i', $T_INT, [$T_INT], sub ($num) {"(-$num)"});
add_infix_op('concat', $T_STR, '+', $T_STR, $T_STR);
for ['_i', $T_INT, '_n', $T_NUM, '_s', $T_STR] -> $suffix, $type {
add_infix_op('isle' ~ $suffix, $type, '<=', $type, $T_BOOL);
add_infix_op('islt' ~ $suffix, $type, '<', $type, $T_BOOL);
add_infix_op('isgt' ~ $suffix, $type, '>', $type, $T_BOOL);
add_infix_op('isge' ~ $suffix, $type, '>=', $type, $T_BOOL);
add_infix_op('iseq' ~ $suffix, $type, '==', $type, $T_BOOL);
add_infix_op('isne' ~ $suffix, $type, '!=', $type, $T_BOOL);
}
add_simple_op('inf', $T_NUM, [], sub () {"Infinity"});
add_simple_op('neginf', $T_NUM, [], sub () {"(-Infinity)"});
add_simple_op('nan', $T_NUM, [], sub () {"NaN"});
add_simple_op('isnanorinf', $T_INT, [$T_NUM]);
add_infix_op('bitor_i', $T_INT, '|', $T_INT, $T_INT);
add_infix_op('bitand_i', $T_INT, '&', $T_INT, $T_INT);
add_infix_op('bitxor_i', $T_INT, '^', $T_INT, $T_INT);
add_infix_op('bitshiftl_i', $T_INT, '<<', $T_INT, $T_INT);
add_infix_op('bitshiftr_i', $T_INT, '>>', $T_INT, $T_INT);
add_simple_op('bitor_s', $T_STR, [$T_STR, $T_STR]);
add_simple_op('bitand_s', $T_STR, [$T_STR, $T_STR]);
add_simple_op('bitxor_s', $T_STR, [$T_STR, $T_STR]);
add_simple_op('bitneg_i', $T_INT, [$T_INT], sub ($n) {"(~$n)"});
add_infix_op('eqaddr', $T_OBJ, '===', $T_OBJ, $T_BOOL);
# Integer arithmetic
add_simple_op('add_i', $T_INT, [$T_INT, $T_INT], sub ($a, $b) {"(($a + $b) | 0)"});
add_simple_op('sub_i', $T_INT, [$T_INT, $T_INT], sub ($a, $b) {"(($a - $b) | 0)"});
add_simple_op('div_i', $T_INT, [$T_INT, $T_INT], :side_effects);
add_simple_op('mod_i', $T_INT, [$T_INT, $T_INT], sub ($a, $b) {"(($a % $b) | 0)"});
add_simple_op('mul_i', $T_INT, [$T_INT, $T_INT], sub ($a, $b) {"Math.imul($a,$b)"});
add_simple_op('pow_i', $T_INT, [$T_INT, $T_INT], sub ($a, $b) {"(Math.pow($a,$b)|0)"});
add_simple_op('gcd_i', $T_INT, [$T_INT, $T_INT]);
add_simple_op('lcm_i', $T_INT, [$T_INT, $T_INT]);
# 64 bit integer arithmetic
add_simple_op('add_i64', $T_INT64, [$T_INT64, $T_INT64]);
add_simple_op('sub_i64', $T_INT64, [$T_INT64, $T_INT64]);
add_op('chain', sub ($comp, $node, :$want) {
my str $ret := $*BLOCK.add_tmp;
my sub is_chain($part) {
nqp::istype($part, QAST::Op)
&& ($part.op eq 'chain' || $part.op eq 'chainstatic');
}
my sub chain_part($part) {
if is_chain($part) {
# Check if callee sub in name, if not first child is callee, not arg
my int $arg_idx := $part.name ?? 0 !! 1;
my $callee := $comp.as_js( :want($T_OBJ),
$part.name
?? QAST::Var.new(:name($part.name),:scope('lexical'))
!! $part[0]
);
my $left := chain_part($part[$arg_idx]);
my $right := $comp.as_js($part[$arg_idx + 1], :want($T_OBJ));
my @setup;
@setup.push($left);
@setup.push("if ($ret.\$\$toBool($*CTX)) \{\n") if is_chain($part[$arg_idx]);
@setup.push($callee);
@setup.push($right);
@setup.push("$ret = nqp.retval(HLL, /*await*/ {$callee.expr}.\$\$call($*CTX, null, {$left.expr}, {$right.expr}));\n");
@setup.push("\}") if is_chain($part[$arg_idx]);
Chunk.new($T_OBJ, $right.expr, @setup, :node($part));
}
else {
$comp.as_js($part, :want($T_OBJ));
}
}
Chunk.new($T_OBJ, $ret, [chain_part($node)]);
});
%ops<chainstatic> := %ops<chain>;
add_simple_op('clone', $T_OBJ, [$T_OBJ], :decont(0), :method_call, :side_effects);
add_simple_op('clone_nd', $T_OBJ, [$T_OBJ], method_call('clone'), :side_effects);
add_op('wantdecont', sub ($comp, $node, :$want) {
$comp.as_js($node[0], :want($want));
});
my sub static_hint($node) {
my int $hint := -1;
# disabled till we handle hints with multi-inheritance correctly
#if $node[1].has_compile_time_value && nqp::istype($node[2], QAST::SVal) {
# $hint := nqp::hintfor($node[1].compile_time_value, $node[2].value);
#}
$hint != -1 ?? $hint !! NQPMu;
}
my sub bindattr($type, :$inverted_result) {
sub ($comp, $node, :$want) {
my $obj := $comp.as_js(:want($T_OBJ), $node[0]);
my $value := $comp.as_js(:want($type), $node[3]);
my str $suffix := $comp.suffix_from_type($type);
my @setup;
my str $action;
if static_hint($node) -> $hint {
@setup := [$obj, $value];
$action := $type == $T_OBJ
?? "{$obj.expr}\.\$\$bindattr\${$hint}({$value.expr})"
!! "({$obj.expr}\.attr\${$hint} = {$value.expr})";
}
else {
my $classHandle := $comp.as_js(:want($T_OBJ), $node[1]);
my $attrName := $comp.as_js(:want($T_STR), $node[2]);
$action := "{$obj.expr}\.\$\$bindattr{$suffix}({$classHandle.expr}, {$attrName.expr}, {$value.expr})";
@setup := [$obj, $classHandle, $attrName, $value];
}
if $inverted_result {
@setup.push($action ~ ";\n");
Chunk.new($type, $obj.expr, @setup);
} else {
$comp.stored_result(Chunk.new($type, $action, @setup), :$want);
}
}
}
method bindattr($type, :$inverted_result) {
bindattr($type, :$inverted_result);
}
for ['', $T_OBJ, '_i', $T_INT, '_n', $T_NUM, '_s', $T_STR] -> $suffix, $type {
add_op('bindattr' ~ $suffix, bindattr($type));
add_op('getattr' ~ $suffix, sub ($comp, $node, :$want) {
my $obj := $comp.as_js(:want($T_OBJ), $node[0]);
if static_hint($node) -> $hint {
if $type == $T_OBJ {
$comp.stored_result(Chunk.new($T_OBJ, "{$obj.expr}\.\$\$getattr\${$hint}()", $obj), :$want);
}
else {
Chunk.new($type, "{$obj.expr}\.attr\${$hint}", $obj);
}
}
else {
my $classHandle := $comp.as_js(:want($T_OBJ), $node[1]);
my $attrName := $comp.as_js(:want($T_STR), $node[2]);
$comp.stored_result(Chunk.new($type, "{$obj.expr}\.\$\$getattr{$suffix}({$classHandle.expr}, {$attrName.expr})",
[$obj, $classHandle, $attrName]), :$want);
}
});
}
for ['_i', '_n', '_s'] -> $suffix {
add_simple_op('getattrref' ~ $suffix, $T_OBJ, [$T_OBJ, $T_OBJ, $T_STR], :takes_hll);
add_simple_op('atposref' ~ $suffix, $T_OBJ, [$T_OBJ, $T_INT], :takes_hll);
add_simple_op('multidimref' ~ $suffix, $T_OBJ, [$T_OBJ, $T_OBJ], :takes_hll);
}
add_simple_op('attrinited', $T_INT, [$T_OBJ, $T_OBJ, $T_STR], :decont(1), :method_call);
add_simple_op('hintfor', $T_INT, [$T_OBJ, $T_STR]);
add_hll_op('sprintf');
add_hll_op('sprintfdirectives');
add_hll_op('sprintfaddargumenthandler');
add_simple_op('setinvokespec', $T_OBJ, [$T_OBJ, $T_OBJ, $T_STR, $T_OBJ], :side_effects, :decont(0));
add_simple_op('setboolspec', $T_OBJ, [$T_OBJ, $T_INT, $T_OBJ], :side_effects, :decont(0));
sub add_cmp_op($op, $type) {
add_simple_op($op, $T_INT, [$type, $type], sub ($a, $b) {
"($a < $b ? -1 : ($a > $b ? 1 : 0))"
});
}
add_simple_op('reprname', $T_STR, [$T_OBJ], :decont(0));
add_simple_op('newtype', $T_OBJ, [$T_OBJ, $T_STR], :side_effects, :decont(0));
add_cmp_op('cmp_i', $T_INT);
add_cmp_op('cmp_n', $T_NUM);
add_cmp_op('cmp_s', $T_STR);
for <preinc predec> -> $op {
add_op($op, sub ($comp, $node, :$want) {
my str $action := $op eq 'preinc' ?? 'add_i' !! 'sub_i';
$comp.as_js(
QAST::Op.new(
:op('bind'),
$node[0],
QAST::Op.new(:op($action),$node[0],QAST::IVal.new(:value(1)))
),
:$want,
);
});
}
for <postinc postdec> -> $op {
add_op($op, sub ($comp, $node, :$want) {
my str $tmp := $*BLOCK.add_tmp();
my $var := $comp.as_js($node[0], :want($T_INT));
my str $action := $op eq 'postinc' ?? 'add_i' !! 'sub_i';
my $do_action := $comp.as_js(
QAST::Op.new(
:op('bind'),
$node[0],
QAST::Op.new(:op($action),$node[0],QAST::IVal.new(:value(1)))
),
:want($T_VOID)
);
Chunk.new($T_INT, $tmp, [$var, "$tmp = {$var.expr};\n", $do_action]);
});
}
add_simple_op('isstr', $T_INT, [$T_OBJ], :decont(0));
add_simple_op('isint', $T_INT, [$T_OBJ], :decont(0));
add_simple_op('isnum', $T_INT, [$T_OBJ], :decont(0));
add_simple_op('chars', $T_INT, [$T_STR], sub ($string) {"$string.length"});
add_simple_op('join', $T_STR, [$T_STR, $T_OBJ], sub ($delim, $list) {"$list.\$\$join($delim)"});
add_simple_op('index', $T_INT, [$T_STR, $T_STR, $T_INT], sub ($string, $pattern, $from?) {
nqp::defined($from) ?? "($from > $string.length ? -1 : $string.indexOf($pattern,$from))" !! "$string.indexOf($pattern)";
});
add_simple_op('rindex', $T_INT, [$T_STR, $T_STR, $T_INT], sub ($string, $pattern, $from?) {
nqp::defined($from) ?? "($from > $string.length ? -1 : $string.lastIndexOf($pattern,$from))" !! "$string.lastIndexOf($pattern)";
});
add_simple_op('substr', $T_STR, [$T_STR, $T_INT, $T_INT], sub ($string, $start, $length?) {
nqp::defined($length) ?? "$string.substr($start,$length)" !! "$string.substr($start)";
});
add_simple_op('replace', $T_STR, [$T_STR, $T_INT, $T_INT, $T_STR]);
add_simple_op('eqat', $T_INT, [$T_STR, $T_STR, $T_INT]);
add_simple_op('eqatic', $T_INT, [$T_STR, $T_STR, $T_INT]);
add_simple_op('eqatim', $T_INT, [$T_STR, $T_STR, $T_INT]);
add_simple_op('eqaticim', $T_INT, [$T_STR, $T_STR, $T_INT]);
add_simple_op('chr', $T_STR, [$T_INT], sub ($code) {"String.fromCodePoint($code)"});
add_simple_op('lc', $T_STR, [$T_STR], sub ($string) {"$string.toLowerCase()"});
add_simple_op('fc', $T_STR, [$T_STR]);
add_simple_op('uc', $T_STR, [$T_STR], sub ($string) {"$string.toUpperCase()"});
add_simple_op('tc', $T_STR, [$T_STR]);
add_simple_op('tclc', $T_STR, [$T_STR]);
add_simple_op('flip', $T_STR, [$T_STR]);
#TODO: make the offset be something better then a UTF16 offset
add_simple_op('ord', $T_INT, [$T_STR, $T_INT], sub ($string, $pos='0') {"$string.codePointAt($pos)"});
%ops<ordat> := %ops<ord>;
add_simple_op('ordbaseat', $T_INT, [$T_STR, $T_INT]);
add_simple_op('getcodelocation', $T_OBJ, [$T_OBJ]);
add_simple_op('null', $T_OBJ, [], sub () {"nqp.Null"});
add_simple_op('isnull', $T_BOOL, [$T_OBJ], sub ($obj) {"($obj === nqp.Null)"});
add_simple_op('null_s', $T_STR, [], sub () {"nqp.null_s"});
add_simple_op('isnull_s', $T_BOOL, [$T_STR], sub ($obj) {"($obj === nqp.null_s)"});
add_simple_op('time_n', $T_NUM, [], sub () {"(new Date().getTime() / 1000)"}, :side_effects);
add_simple_op('time_i', $T_NUM, [], sub () {"Math.floor(new Date().getTime() / 1000)"}, :side_effects);
add_simple_op('escape', $T_STR, [$T_STR]);
add_simple_op('x', $T_STR, [$T_STR, $T_INT], sub ($what, $times) {"$what.repeat($times)"});
add_simple_op('getcomp', $T_OBJ, [$T_STR], :side_effects);
add_simple_op('say', $T_STR, [$T_STR], :side_effects);
add_simple_op('print', $T_STR, [$T_STR], :side_effects);
add_simple_op('getstderr', $T_OBJ, [], :side_effects);
add_simple_op('getstdout', $T_OBJ, [], :side_effects);
add_simple_op('getstdin', $T_OBJ, [], :side_effects);
add_simple_op('open', $T_OBJ, [$T_STR, $T_STR], :side_effects);
add_simple_op('opendir', $T_OBJ, [$T_STR], :side_effects);
add_simple_op('nextfiledir', $T_STR, [$T_OBJ], :side_effects, :method_call);
add_simple_op('closedir', $T_VOID, [$T_OBJ], :side_effects, :method_call);
add_simple_op('readfh', $T_OBJ, [$T_OBJ, $T_OBJ, $T_INT], :side_effects, :method_call);
add_simple_op('writefh', $T_INT, [$T_OBJ, $T_OBJ], :side_effects, :method_call);
add_simple_op('tellfh', $T_INT, [$T_OBJ], :side_effects, :method_call);
add_simple_op('seekfh', $T_INT, [$T_OBJ, $T_INT, $T_INT], :ctx, :side_effects);
add_simple_op('eoffh', $T_INT, [$T_OBJ], :side_effects, :method_call);
add_simple_op('filenofh', $T_INT, [$T_OBJ], :method_call);
add_simple_op('setbuffersizefh', $T_OBJ, [$T_OBJ, $T_INT], :side_effects, :method_call);
add_simple_op('flushfh', $T_OBJ, [$T_OBJ], :side_effects, :method_call);
add_simple_op('closefh', $T_OBJ, [$T_OBJ], :side_effects, :method_call);
add_simple_op('isttyfh', $T_INT, [$T_OBJ], :method_call);
add_simple_op('copy', $T_VOID, [$T_STR, $T_STR], :side_effects);
add_simple_op('rename', $T_VOID, [$T_STR, $T_STR], :side_effects);
add_simple_op('lockfh', $T_OBJ, [$T_OBJ, $T_INT], :side_effects, :method_call);
add_simple_op('unlockfh', $T_OBJ, [$T_OBJ], :side_effects, :method_call);
add_simple_op('bootarray', $T_OBJ, []);
add_simple_op('getpid', $T_INT, []);
add_simple_op('getppid', $T_INT, []);
add_simple_op('exit', $T_VOID, [$T_INT], :side_effects);
add_simple_op('symlink', $T_VOID, [$T_STR, $T_STR], :side_effects);
add_simple_op('link', $T_VOID, [$T_STR, $T_STR], :side_effects);
add_simple_op('unlink', $T_VOID, [$T_STR], :side_effects);
add_simple_op('readlink', $T_STR, [$T_STR]);
add_simple_op('chdir', $T_VOID, [$T_STR], :side_effects);
add_simple_op('rmdir', $T_VOID, [$T_STR], :side_effects);
add_simple_op('mkdir', $T_VOID, [$T_STR, $T_INT], :side_effects);
add_simple_op('chmod', $T_VOID, [$T_STR, $T_INT], :side_effects);
add_simple_op('getenvhash', $T_OBJ, [], :side_effects);
add_simple_op('getsignals', $T_OBJ, [], :side_effects, :takes_hll);
add_simple_op('cwd', $T_STR, [], :side_effects);
add_simple_op('sha1', $T_STR, [$T_STR]);
add_simple_op('isinvokable', $T_INT, [$T_OBJ]);
add_simple_op('encode', $T_OBJ, [$T_STR, $T_STR, $T_OBJ], :side_effects);
add_simple_op('encoderep', $T_OBJ, [$T_STR, $T_STR, $T_STR, $T_OBJ], :side_effects);
add_simple_op('encodeconf', $T_OBJ, [$T_STR, $T_STR, $T_OBJ, $T_INT], :side_effects);
add_simple_op('encoderepconf', $T_OBJ, [$T_STR, $T_STR, $T_STR, $T_OBJ, $T_INT], :side_effects);
add_simple_op('decode', $T_STR, [$T_OBJ, $T_STR]);
add_simple_op('decodeconf', $T_STR, [$T_OBJ, $T_STR, $T_INT]);
add_simple_op('decoderepconf', $T_STR, [$T_OBJ, $T_STR, $T_STR, $T_INT]);
add_simple_op('gethostname', $T_STR, [$T_STR]);
# XXX explicit takeclosure is used by the JVM backend we no-op it.
add_op('takeclosure', sub ($comp, $node, :$want) {
$comp.as_js($node[0], :want($want));
});
add_simple_op('indexingoptimized', $T_STR, [$T_STR], sub ($str) {$str});
# TODO decont
add_op('istrue', sub ($comp, $node, :$want) {
$comp.as_js($node[0], :want($T_BOOL));
});
add_op('stringify', sub ($comp, $node, :$want) {
$comp.as_js($node[0], :want($T_STR));
});
add_op('numify', sub ($comp, $node, :$want) {
$comp.as_js($node[0], :want($T_NUM));
});
add_simple_op('isfalse', $T_BOOL, [$T_BOOL], sub ($boolified) {"(!$boolified)"});
add_simple_op('falsey', $T_BOOL, [$T_BOOL], sub ($boolified) {"(!$boolified)"});
add_simple_op('not_i', $T_BOOL, [$T_INT], sub ($int) {"(!$int)"});
add_op('locallifetime', sub ($comp, $node, :$want) {
$comp.as_js($node[0], :want($want));
});
add_op('bind', sub ($comp, $node, :$want) {
my @children := $node.list;
if +@children != 2 {
nqp::die("A 'bind' op must have exactly two children");
}
unless nqp::istype(@children[0], QAST::Var) {
nqp::die("First child of a 'bind' op must be a QAST::Var");
}
my $*BINDVAL := @children[1];
$comp.as_js(@children[0], :want($want));
});
for ['_i', $T_INT, '', $T_OBJ, '_s', $T_STR, '_n', $T_NUM] -> $suffix, $type {
add_op('list' ~ $suffix, sub ($comp, $node, :$want) {
my @setup;
my @exprs;
my str $list := $*BLOCK.add_tmp();
for $node.list -> $elem {
my $chunk := $comp.as_js($elem, :want($type));
@setup.push($chunk);
@exprs.push($chunk.expr);
}
my $hll := $type == $T_OBJ ?? 'HLL,' !! '';
@setup.push($list ~ " = nqp.list" ~ $suffix ~ "(" ~ $hll ~ "[" ~ nqp::join(',', @exprs) ~ "]);\n");
Chunk.new($T_OBJ, $list , @setup, :$node);
});
add_simple_op('bindpos' ~ $suffix, $type, [$T_OBJ, $T_INT, $type], :side_effects, :method_call);
add_simple_op('atpos' ~ $suffix, $type, [$T_OBJ, $T_INT], :method_call);
add_simple_op('pop' ~ $suffix, $type, [$T_OBJ], :side_effects, :method_call);
add_simple_op('push' ~ $suffix, $type, [$T_OBJ, $type], :side_effects, :method_call);
add_simple_op('unshift' ~ $suffix, $type, [$T_OBJ, $type], :side_effects, :method_call);
add_simple_op('shift' ~ $suffix, $type, [$T_OBJ], :side_effects, :method_call);
add_simple_op('atposnd' ~ $suffix, $type, [$T_OBJ, $T_OBJ]);
add_simple_op('atpos2d' ~ $suffix, $type, [$T_OBJ, $T_INT, $T_INT, $type], :side_effects);
add_simple_op('atpos3d' ~ $suffix, $type, [$T_OBJ, $T_INT, $T_INT, $T_INT, $type], :side_effects);
add_simple_op('bindposnd' ~ $suffix, $type, [$T_OBJ, $T_OBJ, $type], :side_effects);
add_simple_op('bindpos2d' ~ $suffix, $type, [$T_OBJ, $T_INT, $T_INT, $type], :side_effects);
add_simple_op('bindpos3d' ~ $suffix, $type, [$T_OBJ, $T_INT, $T_INT, $T_INT, $type], :side_effects);
add_simple_op('atkey' ~ $suffix, $type, [$T_OBJ, $T_STR], :method_call);
add_simple_op('bindkey' ~ $suffix, $type, [$T_OBJ, $T_STR, $type], :method_call, :side_effects);
}
add_simple_op('numdimensions', $T_INT, [$T_OBJ]);
add_simple_op('dimensions', $T_OBJ, [$T_OBJ]);
add_simple_op('setdimensions', $T_OBJ, [$T_OBJ, $T_OBJ], :side_effects);
add_op('hash', sub ($comp, $node, :$want) {
my str $hash := $*BLOCK.add_tmp();
my @setup;
@setup.push("$hash = nqp.hash();\n");
for $node.list -> $key, $val {
my $key_chunk := $comp.as_js($key, :want($T_STR));
my $val_chunk := $comp.as_js($val, :want($T_OBJ));
@setup.push($key_chunk);
@setup.push($val_chunk);
@setup.push("$hash.content.set({$key_chunk.expr}, {$val_chunk.expr});\n");
}
Chunk.new($T_OBJ, $hash , @setup , :$node);
});
add_simple_op('ishash', $T_INT, [$T_OBJ], :decont(0));
add_op('call', :!inlinable, sub ($comp, $node, :$want) {
my $args := nqp::clone($node.list);
my $callee := $node.name
?? $comp.as_js(QAST::Var.new(:name($node.name),:scope('lexical')), :want($T_OBJ))
!! $comp.as_js(nqp::shift($args), :want($T_OBJ));
my $compiled_args := $comp.args($args);
my str $call := $compiled_args.is_args_array ?? '.$$apply(' !! '.$$call(';
$comp.get_return_value("/*await*/ (/*await*/ {$callee.expr}.\$\$decont($*CTX))" ~ $call ~ $compiled_args.expr ~ ')', [$callee, $compiled_args], :$node, :$want);
});
%ops<callstatic> := %ops<call>;
add_simple_op('serialize', $T_STR, [$T_OBJ, $T_OBJ], :side_effects);
add_simple_op('serializetobuf', $T_OBJ, [$T_OBJ, $T_OBJ, $T_OBJ], :side_effects);
add_simple_op('scobjcount', $T_INT, [$T_OBJ]);
add_simple_op('createsc', $T_OBJ, [$T_STR], :side_effects);
add_simple_op('deserialize', $T_OBJ, [$T_STR, $T_OBJ, $T_OBJ, $T_OBJ, $T_OBJ], :side_effects, :takes_hll);
add_simple_op('scsetobj', $T_OBJ, [$T_OBJ, $T_INT, $T_OBJ], :side_effects);
add_simple_op('scgetobj', $T_OBJ, [$T_OBJ, $T_INT], :side_effects);
add_simple_op('scsetcode', $T_OBJ, [$T_OBJ, $T_INT, $T_OBJ], :side_effects);
add_simple_op('setobjsc', $T_OBJ, [$T_OBJ, $T_OBJ], :side_effects);
add_simple_op('markcodestatic', $T_OBJ, [$T_OBJ], :side_effects);
add_simple_op('freshcoderef', $T_OBJ, [$T_OBJ]);
add_simple_op('markcodestub', $T_OBJ, [$T_OBJ], :side_effects);
add_simple_op('scsetdesc', $T_STR, [$T_OBJ, $T_STR], :side_effects);
add_simple_op('scgetdesc', $T_STR, [$T_OBJ]);
add_simple_op('scgethandle', $T_STR, [$T_OBJ]);
add_simple_op('getobjsc', $T_OBJ, [$T_OBJ]);
add_simple_op('scgetobjidx', $T_INT, [$T_OBJ, $T_OBJ]);
add_simple_op('pushcompsc', $T_OBJ, [$T_OBJ], :side_effects);
add_simple_op('popcompsc', $T_OBJ, [], :side_effects);
add_simple_op('getstaticcode', $T_OBJ, [$T_OBJ]);
# Misc ops
add_simple_op('backendconfig', $T_OBJ, []);
# Ops for NFA
add_simple_op('nfafromstatelist', $T_OBJ, [$T_OBJ, $T_OBJ], :ctx, :side_effects, :await);
add_simple_op('nfarunproto', $T_OBJ, [$T_OBJ, $T_STR, $T_INT], :side_effects);
add_simple_op('nfarunalt', $T_OBJ, [$T_OBJ, $T_STR, $T_INT, $T_OBJ, $T_OBJ, $T_OBJ]);
add_op('callmethod', sub ($comp, $node, :$want) {
my @args := nqp::clone($node.list);
my $invocant := $comp.as_js(@args.shift, :want($T_OBJ));
my @setup := [$invocant];
my str $method;
if $node.name {
$method := '[' ~ quote_string('p6$' ~ $node.name) ~ ']';
}
else {
my $method_name := $comp.as_js(@args.shift, :want($T_STR));
@setup.push($method_name);
$method := "[\"p6\$\" + {$method_name.expr}]";
}
my $compiled_args := $comp.args(@args, :invocant($invocant.expr));
my str $call := $compiled_args.is_args_array ?? ".apply({$invocant.expr}.\$\$decont($*CTX)," !! '(';
@setup.push($compiled_args);
$comp.get_return_value("/*await*/ (/*await*/ {$invocant.expr}.\$\$decont($*CTX))" ~ $method ~ $call ~ $compiled_args.expr ~ ')', @setup, :$want, :$node);
});
add_simple_op('settypefinalize', $T_VOID, [$T_OBJ, $T_INT]);
# TODO - implement and benchmark different ways of preventing the try/catch from murdering performance
add_op('handle', :!inlinable, sub ($comp, $node, :$want) {
my @children := nqp::clone($node.list());
if @children == 0 {
nqp::die("The 'handle' op requires at least one child");
}
# If there's exactly one child, then there's nothing protecting
# it; just compile it and we're done.
my $protected := @children.shift();
unless @children {
return $comp.as_js($protected, :$want);
}
my $*RETURN_FROM_HANDLER; # needed to implement nqp::p6return
my str $outer_ctx := $*CTX;
{
my $handler_ctx := $comp.unique_var('ctx');
my $unwind_marker := $*BLOCK.add_tmp;
my str $try_ret := '';
my $set_try_ret := '';
my @setup;
my $has_catch := 0;
for @children -> $type, $handler {
if $type eq 'LABELED' {
my $label := $comp.as_js($handler, :want($T_OBJ));
@setup.push($label);
@setup.push("$handler_ctx.\$\$label = {$label.expr};\n");
}
else {
my $*CTX := '$$sourceCtx';
my $catch_body := $comp.as_js($handler, :want($T_OBJ));
@setup.push("$handler_ctx.\$\${$type} = /*async*/ function(\$\$sourceCtx) \{\n");
@setup.push("\$\$sourceCtx.\$\${$type eq 'CATCH' ?? 'catch' !! 'control'}HandlerOuter = $outer_ctx;\n");
@setup.push($catch_body);
@setup.push( "return {$catch_body.expr};\n" ~ "\};\n");
$has_catch := 1 if $type eq 'CATCH';
}
}
@setup.push("$unwind_marker = \{\};\n");
@setup.push("$handler_ctx.\$\$unwind = $unwind_marker;\n");
{
my $*CTX := $handler_ctx;
my $body := $comp.as_js($protected, :$want);
my str $catch_wrapped_exception := "/*await*/ $handler_ctx.catchException(nqp.wrapException(e))";
my str $catch_exception := "/*await*/ $handler_ctx.catchException(e)";
if $want != $T_VOID {
$try_ret := $*BLOCK.add_tmp;
my $coerced_ret := $comp.coerce(Chunk.new($T_OBJ, "$unwind_marker.ret"), $want);
$set_try_ret := Chunk.new($T_VOID, '', [$coerced_ret, "$try_ret = {$coerced_ret.expr};\n"]);
my %convert;
%convert{$T_STR} := 'toStr';
%convert{$T_NUM} := 'toNum';
%convert{$T_INT} := 'toInt';
if nqp::existskey(%convert, $want) {
$catch_exception := '/*await*/ nqp.' ~ %convert{$want} ~ '(' ~ $catch_exception ~ ')';
$catch_wrapped_exception := '/*await*/ nqp.' ~ %convert{$want} ~ '(' ~ $catch_wrapped_exception ~ ')';
}
$catch_exception := "$try_ret = $catch_exception";
$catch_wrapped_exception := "$try_ret = $catch_wrapped_exception";
}
my $catch_unresumable := $has_catch
?? "\} else if (e instanceof nqp.NQPException) \{\n"
~ "$catch_exception\n"
~ "\} else if (e instanceof TypeError) \{\n" # HACK - we should catch more exceptions
~ "$catch_wrapped_exception;\n"
!! '';
return Chunk.new($want, $try_ret, [
"var $handler_ctx = new nqp.CtxJustHandler($outer_ctx, $outer_ctx, $outer_ctx.\$\$callThis);\n",
Chunk.void(|@setup),
"try \{",
$body,
# HACK we need to check $body.type if we handle something like return
(($want == $T_VOID || $body.type == $T_VOID) ?? '' !! "$try_ret = {$body.expr};\n"),
"\} catch (e) \{if (e === $unwind_marker) \{",
$set_try_ret,
$catch_unresumable,
"\} else \{\n",
"throw e;\n",
"\}\n",
"\}\n",
($*RETURN_FROM_HANDLER ?? "if ($*RETURN_FROM_HANDLER !== undefined) return $*RETURN_FROM_HANDLER;\n" !! '')
], :$node);
}
}
});
add_simple_op('exception', $T_OBJ, []);
add_simple_op('rethrow', $T_VOID, [$T_OBJ], sub ($exception) {"/*await*/ $*CTX.rethrow($exception)"}, :side_effects);
add_simple_op('resume', $T_VOID, [$T_OBJ], sub ($exception) {"/*await*/ $*CTX.resume($exception)"}, :side_effects);
add_simple_op('throw', $T_VOID, [$T_OBJ], :side_effects, sub ($exception) {"/*await*/ {$*CTX}.throw($exception)"});
add_simple_op('setpayload', $T_OBJ, [$T_OBJ, $T_OBJ], :side_effects);
add_simple_op('getpayload', $T_OBJ, [$T_OBJ, $T_OBJ]);
add_simple_op('setmessage', $T_STR, [$T_OBJ, $T_STR], :side_effects);
add_simple_op('getmessage', $T_STR, [$T_OBJ]);
add_simple_op('setextype', $T_INT, [$T_OBJ, $T_INT], :side_effects);
add_simple_op('getextype', $T_INT, [$T_OBJ]);
add_simple_op('getmessage', $T_STR, [$T_OBJ]);
add_simple_op('newexception', $T_OBJ, [], :side_effects);
add_simple_op('backtracestrings', $T_OBJ, [$T_OBJ], :takes_hll);
add_simple_op('backtrace', $T_OBJ, [$T_OBJ], :takes_hll);
add_simple_op('findmethod', $T_OBJ, [$T_OBJ, $T_STR], :side_effects, :decont(0), :ctx, :await);
add_simple_op('tryfindmethod', $T_OBJ, [$T_OBJ, $T_STR], :side_effects, :decont(0), :ctx, :await);
add_simple_op('can', $T_INT, [$T_OBJ, $T_STR], :side_effects, :decont(0), :ctx, :method_call, :await);
add_simple_op('istype', $T_INT, [$T_OBJ, $T_OBJ], :side_effects, :ctx, :decont(0, 1), :method_call, :await);
add_simple_op('istype_nd', $T_INT, [$T_OBJ, $T_OBJ], method_call('istype'), :side_effects, :ctx, :await, :method_call);
add_simple_op('split', $T_OBJ, [$T_STR, $T_STR], :takes_hll);
add_simple_op('ctxlexpad', :!inlinable, $T_OBJ, [$T_OBJ]);
add_simple_op('lexprimspec', $T_INT, [$T_OBJ, $T_STR]);
add_simple_op('objprimspec', $T_INT, [$T_OBJ]);
add_simple_op('objprimbits', $T_INT, [$T_OBJ]);
add_simple_op('objprimunsigned', $T_INT, [$T_OBJ]);
add_simple_op('ctxouter', :!inlinable, $T_OBJ, [$T_OBJ]);
add_simple_op('ctxouterskipthunks', :!inlinable, $T_OBJ, [$T_OBJ]);
add_simple_op('ctxcallerskipthunks', :!inlinable, $T_OBJ, [$T_OBJ]);
add_simple_op('forceouterctx', $T_OBJ, [$T_OBJ, $T_OBJ], :side_effects);
add_simple_op('elems', $T_INT, [$T_OBJ], :method_call);
add_simple_op('islist', $T_INT, [$T_OBJ], :decont(0));
add_op('curlexpad', :!inlinable, sub ($comp, $node, :$want) {
if $*HLL eq 'nqp' {
my @get;
my @set;
for $*BLOCK.variables -> $var {
my str $storage := $comp.is_dynamic_var($*BLOCK, $var)
?? "{$*CTX}[{quote_string($var.name)}]"
!! $*BLOCK.mangle_var($var);
@set.push(quote_string($var.name) ~
~ ': function(value) {'
~ $storage ~ ' = value'
~ '}');
@get.push(quote_string($var.name) ~
~ ': function() {'
~ 'return ' ~ $storage ~ ''
~ '}');
}
Chunk.new($T_OBJ, "new nqp.CurLexpad(\{{nqp::join(',', @get)}\}, \{{nqp::join(',', @set)}\})", :$node);
} else {
Chunk.new($T_OBJ, $*CTX, :$node);
}
});
add_op('getlexouter', :!inlinable, sub ($comp, $node, :$want) {
unless nqp::istype($node[0], QAST::SVal) {
$comp.NYI("getlexouter with an argument that isn't a string literal");
}
my str $var_name := $node[0].value;
my $block := $*BLOCK.outer;
while $block {
if ($block.qast && $block.qast.ann('DYN_COMP_WRAPPER')) {
$block := NQPMu;
last;
}
last if $block.has_own_variable($var_name);
$block := $block.outer;
}
# TODO type
my $var := QAST::Var.new(:name($var_name), :scope<lexical>);
if !$block {
Chunk.new($T_OBJ, "{$*BLOCK.ctx}.lookupFromOuter({quote_string($var_name)})", :$node);
}
elsif $comp.is_dynamic_var($block, $var) {
Chunk.new($T_OBJ, $*BLOCK.ctx_for_var($var, :from_outer) ~ "[" ~ quote_string($var_name) ~ "]", :$node);
}
else {
Chunk.new($T_OBJ, $*BLOCK.outer.mangle_lexical($var_name) , :$node);
}
});
add_simple_op('slice', $T_OBJ, [$T_OBJ, $T_INT, $T_INT], :method_call, :side_effects);
add_simple_op('splice', $T_OBJ, [$T_OBJ, $T_OBJ, $T_INT, $T_INT],
:method_call, :side_effects);
add_simple_op('setelems', $T_OBJ, [$T_OBJ, $T_INT], :side_effects);
add_simple_op('iterator', $T_OBJ, [$T_OBJ], :method_call, :side_effects);
add_simple_op('iterval', $T_OBJ, [$T_OBJ], :method_call);
add_simple_op('iterkey_s', $T_STR, [$T_OBJ], :method_call);