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module OpHelpers;
sub mnode($M) is export {
$M.^isa(Match) ??
{ file => $*FILE<name>, line => $M.CURSOR.lineof($M.from), pos => $M.from } !!
{ file => $*FILE<name>, line => $M.lineof($M.pos), pos => $M.pos }
}
sub node($M) is export { { line => $M.CURSOR.lineof($M.pos) } }
sub mklet($value, $body) is export {
my $var = ::GLOBAL::NieczaActions.gensym;
::Op::Let.new(var => $var, to => $value,
in => $body(::Op::LetVar.new(name => $var)));
}
sub mkcall($/, $name, *@positionals) is export {
$/.CURSOR.mark_used($name);
$*CURLEX<!sub>.noninlinable if $name eq '&eval'; # HACK
::Op::CallSub.new(|node($/),
invocant => ::Op::Lexical.new(|node($/), :$name), :@positionals);
}
sub mklex($/, $name, *%_) is export {
$/.CURSOR.mark_used($name);
$*CURLEX<!sub>.noninlinable if $name eq '&eval'; # HACK
::Op::Lexical.new(|node($/), :$name, |%_);
}
sub mkbool($i) is export { ::Op::Lexical.new(name => $i ?? 'True' !! 'False') }
sub mktemptopic($/, $item, $expr) is export {
mklet(mklex($/, '$_'), -> $old_ {
::Op::StatementList.new(|node($/), children => [
::Op::LexicalBind.new(:name<$_>, rhs => $item),
mklet($expr, -> $result {
::Op::StatementList.new(children => [
::Op::LexicalBind.new(:name<$_>, rhs => $old_),
$result]) }) ]) });
}
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