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#!perl
# Copyright 2022 Jeffrey Kegler
# This file is part of Marpa::R2. Marpa::R2 is free software: you can
# redistribute it and/or modify it under the terms of the GNU Lesser
# General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later version.
#
# Marpa::R2 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser
# General Public License along with Marpa::R2. If not, see
# http://www.gnu.org/licenses/.
use 5.010001;
use warnings;
use strict;
use English qw( -no_match_vars );
use Getopt::Long ();
use Test::More ( import => [] );
use lib 'pperl';
BEGIN {
my $PPI_problem;
CHECK_PPI: {
if ( not eval { require PPI } ) {
$PPI_problem = "PPI not installed: $EVAL_ERROR";
last CHECK_PPI;
}
if ( not PPI->VERSION(1.206) ) {
$PPI_problem = 'PPI 1.206 not installed';
}
} ## end CHECK_PPI:
if ($PPI_problem) {
Test::More::plan skip_all => $PPI_problem;
}
else {
Test::More::plan tests => 8;
}
} ## end BEGIN
use Marpa::R2;
use Marpa::R2::Perl;
use lib 'inc';
use Marpa::R2::Test;
# Run in utility mode?
my $utility = 0;
die if not Getopt::Long::GetOptions( utility => \$utility );
my %hash;
my %codeblock;
my @tests;
if ($utility) {
my $string = do { local $RS = undef; <STDIN> };
@tests = ( [ $string, q{} ] );
}
else {
@tests = (
[ '{42;{1,2,3;4}}', << 'END_OF_RESULT', 1
Code block at line 1, column 1
Code block at line 1, column 5
END_OF_RESULT
],
[ '{42;{1,2,3,4}}', << 'END_OF_RESULT', 2
Code block at line 1, column 1
Code block at line 1, column 5
Hash at line 1, column 5
END_OF_RESULT
],
[ '{42;{;1,2,3;4}}', << 'END_OF_RESULT', 1
Code block at line 1, column 1
Code block at line 1, column 5
END_OF_RESULT
],
[ '{42;+{1,2,3,4}}', << 'END_OF_RESULT', 1
Code block at line 1, column 1
Hash at line 1, column 6
END_OF_RESULT
],
);
} ## end else [ if ($utility) ]
my $parser = Marpa::R2::Perl->new( { closures => {} } );
TEST: for my $test (@tests) {
my ( $string, $expected, $expected_parse_count ) = @{$test};
$parser = $parser->read( \$string );
my @values = $parser->eval();
my $recce = $parser->{recce};
my $grammar = $recce->[Marpa::R2::Internal::Recognizer::GRAMMAR];
my $grammar_c = $grammar->[Marpa::R2::Internal::Grammar::C];
my $rules = $grammar->[Marpa::R2::Internal::Grammar::RULES];
for my $earley_set_id ( 0 .. $recce->latest_earley_set() ) {
my $progress_report = $recce->progress($earley_set_id);
ITEM: for my $progress_item ( @{$progress_report} ) {
my ( $rule_id, $position, $origin_earley_set_id ) = @{$progress_item};
last ITEM if not defined $rule_id;
next ITEM if $position >= 0;
$position = $grammar_c->rule_length($rule_id);
# Marpa::R2::Display
# name: earleme() Synopsis
my $origin_earleme = $recce->earleme($origin_earley_set_id);
# Marpa::R2::Display::End
my $rule = $rules->[$rule_id];
my $rule_name = $rule->[Marpa::R2::Internal::Rule::NAME];
next ITEM if not defined $rule_name;
my $blocktype =
$rule_name eq 'anon_hash' ? 'hash'
: $rule_name eq 'block' ? 'code'
: $rule_name eq 'mblock' ? 'code'
: undef;
next ITEM if not defined $blocktype;
my $PPI_tokens = $parser->{PPI_tokens};
my $earleme_to_token = $parser->{earleme_to_PPI_token};
my $token = $PPI_tokens->[ $earleme_to_token->[$origin_earleme] ];
my $location = 'line '
. $token->logical_line_number()
. q{, column }
. $token->column_number;
$hash{$location}++ if $blocktype eq 'hash';
$codeblock{$location}++ if $blocktype eq 'code';
} ## end for my $progress_item ( @{$progress_report} )
} ## end for my $earley_set_id ( 0 .. $recce->latest_earley_set...)
Marpa::R2::Test::is(
( scalar @values ),
$expected_parse_count,
'Count of values'
);
my @result;
for my $location ( sort keys %hash ) {
push @result, "Hash at $location\n";
}
for my $location ( sort keys %codeblock ) {
push @result, "Code block at $location\n";
}
my $result = join q{}, sort @result;
if ($utility) {
say $result or die 'say builtin failed';
}
else {
Marpa::R2::Test::is( $result, $expected, qq{Test of "$string"} );
}
%hash = ();
%codeblock = ();
} ## end for my $test (@tests)
# vim: expandtab shiftwidth=4:
|
