112 lines
2.8 KiB
PHP
112 lines
2.8 KiB
PHP
<?php
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/*
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* This file is part of the php-code-coverage package.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace SebastianBergmann\CodeCoverage\Driver;
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use SebastianBergmann\CodeCoverage\RuntimeException;
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/**
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* Driver for PHPDBG's code coverage functionality.
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*
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* @codeCoverageIgnore
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*/
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class PHPDBG implements Driver
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{
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/**
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* Constructor.
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*/
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public function __construct()
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{
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if (PHP_SAPI !== 'phpdbg') {
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throw new RuntimeException(
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'This driver requires the PHPDBG SAPI'
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);
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}
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if (!function_exists('phpdbg_start_oplog')) {
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throw new RuntimeException(
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'This build of PHPDBG does not support code coverage'
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);
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}
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}
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/**
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* Start collection of code coverage information.
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*
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* @param bool $determineUnusedAndDead
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*/
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public function start($determineUnusedAndDead = true)
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{
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phpdbg_start_oplog();
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}
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/**
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* Stop collection of code coverage information.
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*
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* @return array
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*/
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public function stop()
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{
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static $fetchedLines = [];
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$dbgData = phpdbg_end_oplog();
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if ($fetchedLines == []) {
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$sourceLines = phpdbg_get_executable();
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} else {
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$newFiles = array_diff(
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get_included_files(),
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array_keys($fetchedLines)
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);
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if ($newFiles) {
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$sourceLines = phpdbg_get_executable(
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['files' => $newFiles]
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);
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} else {
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$sourceLines = [];
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}
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}
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foreach ($sourceLines as $file => $lines) {
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foreach ($lines as $lineNo => $numExecuted) {
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$sourceLines[$file][$lineNo] = self::LINE_NOT_EXECUTED;
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}
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}
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$fetchedLines = array_merge($fetchedLines, $sourceLines);
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return $this->detectExecutedLines($fetchedLines, $dbgData);
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}
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/**
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* Convert phpdbg based data into the format CodeCoverage expects
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*
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* @param array $sourceLines
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* @param array $dbgData
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*
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* @return array
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*/
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private function detectExecutedLines(array $sourceLines, array $dbgData)
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{
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foreach ($dbgData as $file => $coveredLines) {
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foreach ($coveredLines as $lineNo => $numExecuted) {
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// phpdbg also reports $lineNo=0 when e.g. exceptions get thrown.
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// make sure we only mark lines executed which are actually executable.
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if (isset($sourceLines[$file][$lineNo])) {
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$sourceLines[$file][$lineNo] = self::LINE_EXECUTED;
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}
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}
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}
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return $sourceLines;
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}
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}
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