Remorhaz\UniLex\RegExp\ParserFactory

Complexity

Total Complexity

1

Size/Duplication

Total Lines	18
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	1

1 Method

Rating	Name	Duplication	Size	Complexity
A	createFromBuffer()	0	10	1

<?php

declare(strict_types=1);

namespace Remorhaz\UniLex\RegExp;

use Remorhaz\UniLex\Exception;
use Remorhaz\UniLex\IO\CharBufferInterface;
use Remorhaz\UniLex\Grammar\ContextFree\GrammarLoader;
use Remorhaz\UniLex\Grammar\ContextFree\TokenFactory;
use Remorhaz\UniLex\Parser\LL1\Parser;
use Remorhaz\UniLex\Parser\LL1\TranslationSchemeApplier;
use Remorhaz\UniLex\AST\Tree;
use Remorhaz\UniLex\RegExp\Grammar\ConfigFile;
use Remorhaz\UniLex\RegExp\Grammar\TokenMatcher;
use Remorhaz\UniLex\RegExp\Grammar\TranslationScheme;
use Remorhaz\UniLex\Lexer\TokenReader;

abstract class ParserFactory
{
    /**
     * @param Tree                $tree
     * @param CharBufferInterface $buffer
     * @return Parser
     * @throws Exception
     */
    public static function createFromBuffer(Tree $tree, CharBufferInterface $buffer): Parser
    {
        $grammar = GrammarLoader::loadFile(ConfigFile::getPath());
        $reader = new TokenReader($buffer, new TokenMatcher(), new TokenFactory($grammar));
        $scheme = new TranslationScheme($tree);
        $treeBuilder = new TranslationSchemeApplier($scheme);
        $parser = new Parser($grammar, $reader, $treeBuilder);
        $parser->loadLookupTable(ConfigFile::getLookupTablePath());

        return $parser;
    }
}