ParserTraceListener::__construct() - Code Metrics - SetBased/antlr-php-runtime - Measure and Improve Code Quality continuously with Scrutinizer

ParserTraceListener::__construct() A
last analyzed 2020-12-10 13:11 UTC

↳ Parent: ParserTraceListener

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	1
dl	0
loc	3
ccs	0
cts	2
cp	0
crap	2
rs	10

<?php

declare(strict_types=1);

namespace Antlr\Antlr4\Runtime;

use Antlr\Antlr4\Runtime\Tree\ErrorNode;
use Antlr\Antlr4\Runtime\Tree\ParseTreeListener;
use Antlr\Antlr4\Runtime\Tree\TerminalNode;

final class ParserTraceListener implements ParseTreeListener
{
    /** @var Parser */
    public $parser;

    public function __construct(Parser $parser)
    {
        $this->parser = $parser;
    }

    public function enterEveryRule(ParserRuleContext $context) : void
    {
        $stream = $this->parser->getTokenStream();
        $token = $stream !== null ? $stream->LT(1) : null;

        echo \sprintf(
            'enter   %s, LT(1)=%s',
            $this->parser->getRuleNames()[$context->getRuleIndex()],
            $token === null? '' : $token->getText() ?? ''
        );
    }

    public function visitTerminal(TerminalNode $node) : void
    {
        echo \sprintf(
            'consume %s rule %s',
            $node->getSymbol(),
            $this->parser->getCurrentRuleName()
        );
    }

    public function exitEveryRule(ParserRuleContext $context) : void
    {
        $stream = $this->parser->getTokenStream();
        $token = $stream !== null ? $stream->LT(1) : null;

        echo \sprintf(
            'exit    %s, LT(1)=%s',
            $this->parser->getRuleNames()[$context->getRuleIndex()],
            $token === null? '' : $token->getText() ?? ''
        );
    }

    public function visitErrorNode(ErrorNode $node) : void
    {
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Antlr\Antlr4\Runtime;
6
7			use Antlr\Antlr4\Runtime\Tree\ErrorNode;
8			use Antlr\Antlr4\Runtime\Tree\ParseTreeListener;
9			use Antlr\Antlr4\Runtime\Tree\TerminalNode;
10
11			final class ParserTraceListener implements ParseTreeListener
12			{
13			/** @var Parser */
14			public $parser;
15
16			public function __construct(Parser $parser)
17			{
18			$this->parser = $parser;
19			}
20
21			public function enterEveryRule(ParserRuleContext $context) : void
22			{
23			$stream = $this->parser->getTokenStream();
24			$token = $stream !== null ? $stream->LT(1) : null;
25
26			echo \sprintf(
27			'enter %s, LT(1)=%s',
28			$this->parser->getRuleNames()[$context->getRuleIndex()],
29			$token === null? '' : $token->getText() ?? ''
30			);
31			}
32
33			public function visitTerminal(TerminalNode $node) : void
34			{
35			echo \sprintf(
36			'consume %s rule %s',
37			$node->getSymbol(),
38			$this->parser->getCurrentRuleName()
39			);
40			}
41
42			public function exitEveryRule(ParserRuleContext $context) : void
43			{
44			$stream = $this->parser->getTokenStream();
45			$token = $stream !== null ? $stream->LT(1) : null;
46
47			echo \sprintf(
48			'exit %s, LT(1)=%s',
49			$this->parser->getRuleNames()[$context->getRuleIndex()],
50			$token === null? '' : $token->getText() ?? ''
51			);
52			}
53
54			public function visitErrorNode(ErrorNode $node) : void
55			{
56			}
57			}
58

SetBased / antlr-php-runtime

ParserTraceListener::__construct() A last analyzed 2020-12-10 13:11 UTC

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ParserTraceListener::__construct() A
last analyzed 2020-12-10 13:11 UTC