#!/usr/bin/perl -w
# DESCRIPTION: Perl ExtUtils: Type 'make test' to test this package
#
# Copyright 2000-2015 by Wilson Snyder.  This program is free software;
# you can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License Version 2.0.

use strict;
use Test::More;
use Data::Dumper; $Data::Dumper::Indent = 1;

BEGIN { plan tests => 4 }
BEGIN { require "t/test_utils.pl"; }

our %_TestCoverage;
our %_TestCallbacks;

######################################################################

package MyParser;
use Verilog::SigParser;
use strict;
use base qw(Verilog::SigParser);

BEGIN {
    # Make functions like this:
    #  sub attribute {	$_[0]->_common('module', @_); }
    foreach my $cb (Verilog::SigParser::callback_names(),
		    'comment') {
	$_TestCallbacks{$cb} = 1;
	my $func = ' sub __CB__ { $_[0]->_common("__CB__", @_); } ';
	$func =~ s/__CB__/$cb/g;
	eval($func);
    }
}

sub _common {
    my $self = shift;
    my $what = shift;
    my $call_self = shift;
    my @args = @_;

    $_TestCoverage{$what}++;
    my $args="";
    foreach (@args) { $args .= defined $_ ? " '$_'" : " undef"; }
    $self->{dump_fh}->printf("%s:%03d: %s %s\n",
			     $self->filename, $self->lineno,
			     uc $what,
			     $args);
}

sub error {
    my ($self,$text,$token)=@_;
    my $fileline = $self->filename.":".$self->lineno;
    warn ("%Warning: $fileline: $text\n");
}

######################################################################

package main;

use Verilog::SigParser;
use Verilog::Preproc;
ok(1, "use");

# Use our class and dump to a file
my $dump_fh = new IO::File("test_dir/35.dmp","w")
    or die "%Error: $! test_dir/35.dmp,";

read_test("/dev/null", $dump_fh);  # Empty files should be ok
read_test("verilog/v_hier_subprim.v", $dump_fh);
read_test("verilog/v_hier_sub.v", $dump_fh);
read_test("verilog/parser_bugs.v", $dump_fh);
read_test("verilog/pinorder.v", $dump_fh);
read_test("verilog/parser_sv.v", $dump_fh);
read_test("verilog/parser_sv09.v", $dump_fh);
ok(1, "read");
$dump_fh->close();

# Did we read the right stuff?
ok(files_identical("test_dir/35.dmp", "t/35_sigparser.out"), "diff");

# Did we cover everything?
my $err;
foreach my $cb (sort keys %_TestCallbacks) {
    if (!$_TestCoverage{$cb}) {
	$err=1;
	warn "%Warning: No test coverage for callback: $cb\n";
    }
}
ok (!$err, "coverage");

######################################################################

sub read_test {
    my $filename = shift;
    my $dump_fh = shift;

    my $pp = Verilog::Preproc->new(keep_comments=>1,);

    my $parser = new MyParser (dump_fh => $dump_fh,
			       metacomment=>{synopsys=>1},);

    if ($ENV{VERILOG_TEST_DEBUG}) {  # For example, VERILOG_TEST_DEBUG=9
	$parser->debug($ENV{VERILOG_TEST_DEBUG});
    }

    # Preprocess
    $pp->open($filename);
    $parser->parse_preproc_file($pp);

    print Dumper($parser->{symbol_table}) if ($parser->debug());
}