Name

SPVM::Resource::Re2::V2022_06_01 - Resource of RE2 2022-06-01.

Synopsys

MyRe2.spvm

class MyRe2 {
  native static method match : int ();
}

MyRe2.cpp

#include "spvm_native.h"

#include "re2/re2.h"

extern "C" {

int32_t SPVM__MyRe2__match(SPVM_ENV* env, SPVM_VALUE* stack) {
  
  if (RE2::PartialMatch("abcde", "bcd")) {
    stack[0].ival = 1;
  }
  else {
    stack[0].ival = 0;
  }
  
  return 0;
}

}

MyRe2.config

use strict;
use warnings;

my $config = SPVM::Builder::Config->new_cpp11(file => __FILE__);

$config->use_resource('Resource::Re2::V2022_06_01');

$config->add_libs('stdc++', 'pthread');

$config;

myre2.pl

use FindBin;
use lib "$FindBin::Bin";
use SPVM 'MyRe2';

my $match = SPVM::MyRe2->match;

Description

Resource::Re2::V2022_06_01 is a SPVM module to provide the resource of RE2 2022-06-01.

RE2 is a regular expression library written by C++. Google created it.

See SPVM::Document::NativeModule and SPVM::Document::Resource to write native modules and use resources.

Caution

SPVM is yet development status.

Config

The config of Resource::Re2::V2022_06_01.

use strict;
use warnings;
use SPVM::Builder::Config;

my $config = SPVM::Builder::Config->new_cpp11(file => __FILE__);

$config->ext('cc');

my @source_files = qw(
  util/strutil.cc
  util/rune.cc
  util/pcre.cc
  re2/dfa.cc
  re2/prefilter_tree.cc
  re2/stringpiece.cc
  re2/bitstate.cc
  re2/unicode_casefold.cc
  re2/simplify.cc
  re2/filtered_re2.cc
  re2/onepass.cc
  re2/re2.cc
  re2/parse.cc
  re2/set.cc
  re2/prog.cc
  re2/prefilter.cc
  re2/mimics_pcre.cc
  re2/regexp.cc
  re2/nfa.cc
  re2/tostring.cc
  re2/perl_groups.cc
  re2/unicode_groups.cc
  re2/compile.cc
);

$config->add_source_files(@source_files);

$config;

Required Libraries

• stdc++

• pthread

Source and Header Files

The source and header files are created by the following process.

src

All files of RE2 2022-06-01 are copiedinto SPVM/Resource/Re2/V2022_06_01.native/src.

include

All header files of RE2 2022-06-01 are copied into SPVM/Resource/Re2/V2022_06_01.native/include in the following command.

rsync -av --include='*/' --include='*.h' --exclude='*' lib/SPVM/Resource/Re2/V2022_06_01.native/src/ lib/SPVM/Resource/Re2/V2022_06_01.native/include/

Extracting Source Filess

The source files that is used in the config are extracted by the following command.

find * | grep -P '(util|re2)/\w+\.cc$' | grep -v -P 'util/(test|benchmark|fuzz)\.cc$' | grep -v blib

Repository

https://github.com/yuki-kimoto/SPVM-Resource-Re2-V2022_06_01

Author

YuKi Kimoto kimoto.yuki@gmail.com

Copyright & License

Copyright 2022-2022 YuKi Kimoto, all rights reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

cpanm SPVM::Resource::Re2::V2022_06_01

perl -MCPAN -e shell
install SPVM::Resource::Re2::V2022_06_01