#!perl
# Marpa::R3 is Copyright (C) 2016, Jeffrey Kegler.
#
# This module is free software; you can redistribute it and/or modify it
# under the same terms as Perl 5.10.1. For more details, see the full text
# of the licenses in the directory LICENSES.
#
# This program is distributed in the hope that it will be
# useful, but it is provided “as is” and without any express
# or implied warranties. For details, see the full text of
# of the licenses in the directory LICENSES.
use 5.010001;
use strict;
use warnings;
use English qw( -no_match_vars );
use autodie;
# Portability is NOT emphasized here -- this script is part
# of the development environment, not the configuration or
# installation environment
sub usage {
die "usage: $PROGRAM_NAME [auto.xs]";
}
if (@ARGV > 1) {
usage();
}
my $out;
if ( @ARGV == 1 ) {
my $xsh_file_name = $ARGV[0];
open $out, q{>}, $xsh_file_name;
} else {
$out = *STDOUT;
}
my %format_by_type = (
int => '%d',
Marpa_Assertion_ID => '%d',
Marpa_IRL_ID => '%d',
Marpa_NSY_ID => '%d',
Marpa_Or_Node_ID => '%d',
Marpa_And_Node_ID => '%d',
Marpa_Rank => '%d',
Marpa_Rule_ID => '%d',
Marpa_Symbol_ID => '%d',
Marpa_Earley_Set_ID => '%d',
);
sub gp_generate {
my ( $function, @arg_type_pairs ) = @_;
my $output = q{};
# For example, 'g_wrapper'
my $wrapper_variable = $main::CLASS_LETTER . '_wrapper';
# For example, 'G_Wrapper'
my $wrapper_type = ( uc $main::CLASS_LETTER ) . '_Wrapper';
# For example, 'g_wrapper'
my $libmarpa_method =
$function =~ m/^_marpa_/xms
? $function
: 'marpa_' . $main::CLASS_LETTER . '_' . $function;
# Just g_wrapper for the grammar, self->base otherwise
my $base = $main::CLASS_LETTER eq 'g' ? 'g_wrapper' : "$wrapper_variable->base";
$output .= "void\n";
my @args = ();
ARG: for ( my $i = 0; $i < $#arg_type_pairs; $i += 2 ) {
push @args, $arg_type_pairs[ $i + 1 ];
}
$output
.= "$function( " . ( join q{, }, $wrapper_variable, @args ) . " )\n";
$output .= " $wrapper_type *$wrapper_variable;\n";
ARG: for ( my $i = 0; $i < $#arg_type_pairs; $i += 2 ) {
$output .= q{ };
$output .= join q{ }, @arg_type_pairs[ $i .. $i + 1 ];
$output .= ";\n";
}
$output .= "PPCODE:\n";
$output .= "{\n";
$output
.= " $main::LIBMARPA_CLASS self = $wrapper_variable->$main::CLASS_LETTER;\n";
$output .= " int gp_result = (int)$libmarpa_method("
. ( join q{, }, 'self', @args ) . ");\n";
$output .= " if ( gp_result == -1 ) { XSRETURN_UNDEF; }\n";
$output .= " if ( gp_result < 0 && $base->throw ) {\n";
my @format = ();
my @variables = ();
ARG: for ( my $i = 0; $i < $#arg_type_pairs; $i += 2 ) {
my $arg_type = $arg_type_pairs[$i];
my $variable = $arg_type_pairs[ $i + 1 ];
if ( my $format = $format_by_type{$arg_type} ) {
push @format, $format;
push @variables, $variable;
next ARG;
}
die "Unknown arg_type $arg_type";
} ## end for ( my $i = 0; $i < $#arg_type_pairs; $i += 2 )
my $format_string =
q{"Problem in }
. $main::CLASS_LETTER . q{->}
. $function . '('
. ( join q{, }, @format )
. q{): %s"};
my @format_args = @variables;
push @format_args, qq{xs_g_error( $base )};
$output .= " croak( $format_string,\n";
$output .= q{ } . (join q{, }, @format_args) . ");\n";
$output .= " }\n";
$output .= q{ XPUSHs (sv_2mortal (newSViv (gp_result)));} . "\n";
$output .= "}\n";
return $output;
} ## end sub gp_generate
print ${out} <<'END_OF_PREAMBLE';
# Marpa::R3 is Copyright (C) 2016, Jeffrey Kegler.
#
# This module is free software; you can redistribute it and/or modify it
# under the same terms as Perl 5.10.1. For more details, see the full text
# of the licenses in the directory LICENSES.
#
# This program is distributed in the hope that it will be
# useful, but it is provided “as is” and without any express
# or implied warranties. For details, see the full text of
# of the licenses in the directory LICENSES.
END_OF_PREAMBLE
print ${out} <<END_OF_PREAMBLE;
# DO NOT EDIT please, unless you are aware that this file is
# generated automatically by $PROGRAM_NAME
# NOTE: Changes made to this file will be lost: look at $PROGRAM_NAME.
END_OF_PREAMBLE
$main::CLASS_LETTER = 'g';
$main::LIBMARPA_CLASS = 'Marpa_Grammar';
print {$out} 'MODULE = Marpa::R3 PACKAGE = Marpa::R3::Thin::G', "\n\n";
say {$out} gp_generate(qw(completion_symbol_activate Marpa_Symbol_ID sym_id int activate));
say {$out} gp_generate(qw(error_clear));
say {$out} gp_generate(qw(event_count));
say {$out} gp_generate(qw(force_valued));
say {$out} gp_generate(qw(has_cycle));
say {$out} gp_generate(qw(highest_rule_id));
say {$out} gp_generate(qw(highest_symbol_id));
say {$out} gp_generate(qw(is_precomputed));
say {$out} gp_generate(qw(nulled_symbol_activate Marpa_Symbol_ID sym_id int activate));
say {$out} gp_generate(qw(precompute));
say {$out} gp_generate(qw(prediction_symbol_activate Marpa_Symbol_ID sym_id int activate));
say {$out} gp_generate(qw(rule_is_accessible Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_is_loop Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_is_nullable Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_is_nulling Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_is_productive Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_is_proper_separation Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_length Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_lhs Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_null_high Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(rule_null_high_set Marpa_Rule_ID rule_id int flag));
say {$out} gp_generate(qw(rule_rhs Marpa_Rule_ID rule_id int ix));
say {$out} gp_generate(qw(sequence_min Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(sequence_separator Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(start_symbol));
say {$out} gp_generate(qw(start_symbol_set Marpa_Symbol_ID id));
say {$out} gp_generate(qw(symbol_is_accessible Marpa_Symbol_ID symbol_id ));
say {$out} gp_generate(qw(symbol_is_completion_event Marpa_Symbol_ID sym_id));
say {$out} gp_generate(qw(symbol_is_completion_event_set Marpa_Symbol_ID sym_id int value));
say {$out} gp_generate(qw(symbol_is_counted Marpa_Symbol_ID symbol_id ));
say {$out} gp_generate(qw(symbol_is_nullable Marpa_Symbol_ID symbol_id ));
say {$out} gp_generate(qw(symbol_is_nulled_event Marpa_Symbol_ID sym_id));
say {$out} gp_generate(qw(symbol_is_nulled_event_set Marpa_Symbol_ID sym_id int value));
say {$out} gp_generate(qw(symbol_is_nulling Marpa_Symbol_ID symbol_id ));
say {$out} gp_generate(qw(symbol_is_prediction_event Marpa_Symbol_ID sym_id));
say {$out} gp_generate(qw(symbol_is_prediction_event_set Marpa_Symbol_ID sym_id int value));
say {$out} gp_generate(qw(symbol_is_productive Marpa_Symbol_ID symbol_id));
say {$out} gp_generate(qw(symbol_is_start Marpa_Symbol_ID symbol_id));
say {$out} gp_generate(qw(symbol_is_terminal Marpa_Symbol_ID symbol_id));
say {$out} gp_generate(qw(symbol_is_terminal_set Marpa_Symbol_ID symbol_id int boolean));
say {$out} gp_generate(qw(symbol_is_valued Marpa_Symbol_ID symbol_id));
say {$out} gp_generate(qw(symbol_is_valued_set Marpa_Symbol_ID symbol_id int boolean));
say {$out} gp_generate(qw(symbol_new));
say {$out} gp_generate(qw(zwa_new int default_value));
say {$out} gp_generate(qw(zwa_place Marpa_Assertion_ID zwaid Marpa_Rule_ID xrl_id int rhs_ix));
$main::CLASS_LETTER = 'r';
$main::LIBMARPA_CLASS = 'Marpa_Recognizer';
print {$out} 'MODULE = Marpa::R3 PACKAGE = Marpa::R3::Thin::R', "\n\n";
say {$out} gp_generate(qw(completion_symbol_activate Marpa_Symbol_ID sym_id int reactivate));
say {$out} gp_generate(qw(current_earleme));
say {$out} gp_generate(qw(earleme Marpa_Earley_Set_ID ordinal));
say {$out} gp_generate(qw(earleme_complete));
say {$out} gp_generate(qw(earley_item_warning_threshold));
say {$out} gp_generate(qw(earley_item_warning_threshold_set int too_many_earley_items));
say {$out} gp_generate(qw(earley_set_value Marpa_Earley_Set_ID ordinal));
say {$out} gp_generate(qw(expected_symbol_event_set Marpa_Symbol_ID xsyid int value));
say {$out} gp_generate(qw(furthest_earleme));
say {$out} gp_generate(qw(is_exhausted));
say {$out} gp_generate(qw(latest_earley_set));
say {$out} gp_generate(qw(latest_earley_set_value_set int value));
say {$out} gp_generate(qw(nulled_symbol_activate Marpa_Symbol_ID sym_id int reactivate));
say {$out} gp_generate(qw(prediction_symbol_activate Marpa_Symbol_ID sym_id int reactivate));
say {$out} gp_generate(qw(progress_report_finish));
say {$out} gp_generate(qw(progress_report_start Marpa_Earley_Set_ID ordinal));
say {$out} gp_generate(qw(terminal_is_expected Marpa_Symbol_ID xsyid));
say {$out} gp_generate(qw(zwa_default Marpa_Assertion_ID zwaid));
say {$out} gp_generate(qw(zwa_default_set Marpa_Assertion_ID zwaid int default_value));
$main::CLASS_LETTER = 'g';
$main::LIBMARPA_CLASS = 'Marpa_Grammar';
print {$out} 'MODULE = Marpa::R3 PACKAGE = Marpa::R3::Thin::G', "\n\n";
say {$out} gp_generate(qw(_marpa_g_rule_is_keep_separation Marpa_Rule_ID rule_id));
say {$out} gp_generate(qw(_marpa_g_irl_lhs Marpa_IRL_ID rule_id));
say {$out} gp_generate(qw(_marpa_g_irl_rhs Marpa_IRL_ID rule_id int ix));
say {$out} gp_generate(qw(_marpa_g_irl_length Marpa_IRL_ID rule_id));
say {$out} gp_generate(qw(_marpa_g_irl_rank Marpa_IRL_ID irl_id));
say {$out} gp_generate(qw(_marpa_g_nsy_rank Marpa_NSY_ID nsy_id));
say {$out} gp_generate(qw(_marpa_g_nsy_is_semantic Marpa_NSY_ID nsy_id));