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package Spp; |
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47005
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use 5.012; |
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no warnings 'experimental'; |
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use Exporter; |
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our @ISA = qw(Exporter); |
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our @EXPORT = |
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qw(spp_repl match_text grammar_to_ast lint_grammar parse_text spp_to_spp); |
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our $VERSION = '2.02'; |
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525
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use Spp::Builtin; |
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581
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use Spp::Tools; |
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use Spp::Ast; |
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use Spp::Grammar; |
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use Spp::Cursor; |
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use Spp::MatchRule; |
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use Spp::OptAst; |
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526
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use Spp::LintAst; |
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use Spp::ToSpp; |
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sub spp_repl { |
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0
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my $spp_ast = get_spp_ast(); |
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my $estr_ast = to_ejson($spp_ast); |
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my $table = ast_to_table($estr_ast); |
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my $door_rule = $table->{'door'}; |
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say 'This is Spp REPL, type enter to exit.'; |
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0
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while (1) { |
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print '>> '; |
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my $line = <STDIN>; |
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exit() if ord($line) == 10; |
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my $cursor = new_cursor($line, $table); |
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my $match = match_spp_rule($cursor, $door_rule); |
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if (is_false($match)) { say fail_report($cursor) } |
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else { |
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say '.. ', see_ast($match); |
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my $ast = opt_spp_ast($match); |
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say '.. ', see_ast($ast); |
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} |
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} |
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} |
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sub match_text { |
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my ($ast, $text) = @_; |
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my $table = ast_to_table($ast); |
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my $rule = $table->{'door'}; |
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my $cursor = new_cursor($text, $table); |
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my $match = match_spp_rule($cursor, $rule); |
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if (is_false($match)) { |
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0
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my $report = fail_report($cursor); |
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return $report, 0; |
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} |
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return $match, 1; |
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} |
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sub grammar_to_ast { |
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my $grammar = shift; |
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my $spp_ast = get_spp_ast(); |
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my $estr_ast = to_ejson($spp_ast); |
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my ($match, $ok) = match_text($estr_ast, $grammar); |
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if ($ok) { |
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my $ast = opt_spp_ast($match); |
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lint_spp_ast($ast); |
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return $ast; |
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} |
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else { error($match) } |
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} |
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sub lint_grammar { |
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my $grammar = shift; |
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my $ast = grammar_to_ast($grammar); |
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lint_spp_ast($ast); |
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return True; |
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} |
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sub parse_text { |
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my ($grammar, $text) = @_; |
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my $ast = grammar_to_ast($grammar); |
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lint_spp_ast($ast); |
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my ($match, $ok) = match_text($ast, $text); |
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if ($ok) { return $match } |
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else { error($match) } |
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} |
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85
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sub spp_to_spp { |
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2027
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my $str = shift; |
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3
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my $spp_ast = to_ejson(get_spp_ast()); |
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my ($match, $ok) = match_text($spp_ast, $str); |
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if ($ok) { |
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my $ast = opt_spp_ast($match); |
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return ast_to_spp($ast); |
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} |
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} |
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1; |