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package PlSense::Plugin::CodeAssistant::MethodArgument;
use parent qw{ PlSense::Plugin::CodeAssistant };
use strict;
use warnings;
use Class::Std;
use List::AllUtils qw{ uniq };
use PlSense::Logger;
use PlSense::Util;
{
sub is_valid_context {
my ($self, $code, $tok) = @_;
my $input = "";
if ( $tok && $tok->isa("PPI::Token::Word") ) {
$input = "".$tok->content."";
$tok = $tok->parent or return;
if ( ! $tok->isa("PPI::Statement") ) { return; }
$tok = $tok->parent or return;
if ( ! $tok->isa("PPI::Structure::Block") &&
! $tok->isa("PPI::Structure::Constructor") &&
! $tok->isa("PPI::Structure::List") ) {
return;
}
}
my $bracetok = $self->get_brace_token($tok) or return;
my @tokens = $bracetok->children;
my $rootstmt = pop @tokens or return;
if ( ! $rootstmt->isa("PPI::Statement") ) { return; }
$self->set_input($input);
logger->info("Match context : input[$input]");
@tokens = $self->get_valid_tokens($bracetok);
my $rootaddr = addrfinder->find_address(@tokens);
if ( ! $rootaddr ) {
logger->info("Not found address in current context");
return 1;
}
my $e = $bracetok->previous_sibling;
$e = $e ? $e->previous_sibling : undef;
my $objective = $e && $e->isa("PPI::Token::Operator") && $e->content eq '->' ? 1 : 0;
@tokens = $rootstmt->children;
my $idx = grep { $_->isa("PPI::Token::Operator") && $_->content eq ',' } @tokens;
$idx = $objective ? $idx+2 : $idx+1;
$rootaddr .= "[".$idx."]";
my @rrootaddrs = addrrouter->get_reverse_route($rootaddr);
if ( $#rrootaddrs >= 0 ) { $rootaddr = shift @rrootaddrs; }
my $addr = $self->get_current_address($rootaddr, $rootstmt);
logger->notice("Found method argument of $addr");
$self->push_candidate_by_resolve($addr);
$self->push_candidate_by_match($addr);
return 1;
}
sub get_brace_token : PRIVATE {
my ($self, $tok) = @_;
PARENT:
while ( $tok ) {
if ( $tok->isa("PPI::Structure::List") ) {
my $pretok = $tok->previous_sibling or return;
if ( $pretok->isa("PPI::Token::Word") ) {
return $tok;
}
}
$tok = $tok->parent;
}
return;
}
sub get_valid_tokens : PRIVATE {
my ($self, $tok) = @_;
my @ret;
PRE_TOKEN:
while ( $tok = $tok->previous_sibling ) {
if ( $tok->isa("PPI::Token::Whitespace") ) { last PRE_TOKEN; }
unshift @ret, $tok;
}
return @ret;
}
sub get_current_address : PRIVATE {
my ($self, $addr, $rootstmt) = @_;
my $nextstmt = $rootstmt;
NEST:
while ( $nextstmt && $nextstmt->isa("PPI::Statement") ) {
$addr = $self->build_hash_member_address($addr, $nextstmt);
my @tokens = $nextstmt->children;
my $e = pop @tokens or last NEST;
my $is_ref = 0;
my $is_hash = 0;
if ( $e->isa("PPI::Structure::Block") ) {
$is_ref = 1;
$is_hash = 1;
}
elsif ( $e->isa("PPI::Structure::List") ) {
}
elsif ( $e->isa("PPI::Structure::Constructor") ) {
$is_ref = 1;
my $value = "".$e->content."";
if ( $value =~ m{ \A \{ }xms ) { $is_hash = 1; }
elsif ( $value =~ m{ \A \[ }xms ) { }
else { last NEST; }
}
else {
last NEST;
}
if ( $is_ref ) { $addr .= ".R"; }
if ( $is_hash ) { $addr = $self->build_hash_member_address($addr, $e); }
else { $addr .= ".A"; }
@tokens = $e->children;
$nextstmt = pop @tokens;
}
return $addr;
}
sub build_hash_member_address : PRIVATE {
my ($self, $addr, $tok) = @_;
my $pretok = $tok->previous_sibling or return $addr;
if ( $pretok->isa("PPI::Token::Whitespace") ) { $pretok = $pretok->previous_sibling; }
if ( ! $pretok || $pretok->isa("PPI::Token::Operator") ) { return $addr; }
$pretok = $pretok->previous_sibling or return $addr;
if ( $pretok->isa("PPI::Token::Whitespace") ) { $pretok = $pretok->previous_sibling; }
if ( ! $pretok || ! $pretok->isa("PPI::Token::Word") ) { return $addr; }
return $addr.".H:".$pretok->content;
}
sub push_candidate_by_resolve : PRIVATE {
my ($self, $addr) = @_;
logger->debug("Try push candidate by resolve : $addr");
my $entity = addrrouter->resolve_address($addr);
if ( ! $entity || ! $entity->isa("PlSense::Entity::Hash") ) {
logger->info("Not hash entity in current context");
return;
}
logger->notice("Found hash member in $addr");
MEMBER:
foreach my $key ( $entity->keys_member ) {
if ( $key eq '*' ) { next MEMBER; }
$entity->set_membernm($key);
my $value = $entity->get_member;
$self->push_candidate($key, $value);
}
return;
}
sub push_candidate_by_match : PRIVATE {
my ($self, $addr) = @_;
my @values = ($addr, addrrouter->resolve_anything($addr));
@values = uniq grep { $_ && ! eval { $_->isa("PlSense::Entity") } } @values;
VALUE:
foreach my $value ( @values ) {
logger->debug("Try push candidate by match : $value");
foreach my $m ( addrrouter->get_hash_members($value) ) {
$self->push_candidate($m);
}
}
return;
}
}
1;
__END__
|
