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IssueInstance.php
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IssueInstance.php
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<?php
declare(strict_types=1);
namespace Phan;
use Phan\Language\Element\TypedElementInterface;
use Phan\Language\Element\UnaddressableTypedElement;
use Phan\Language\FQSEN;
use Phan\Language\Type;
use Phan\Language\UnionType;
use Phan\Library\StringUtil;
use Phan\Output\Colorizing;
/**
* Represents an instance of an issue at a given file and line for the given template parameters.
*
* Some IssueInstances are created with suggestions for how they can be fixed
*
* @see Issue for how these are emitted. Visitors and plugins often have helper methods to emit issues.
* @see OutputPrinter for how this is converted to various output formats
* @phan-file-suppress PhanPluginNoCommentOnPublicMethod TODO: Add comments
*/
class IssueInstance
{
/** @var Issue the generic category of issues */
private $issue;
/** @var string the file in which this issue was emitted. */
private $file;
/** @var int the line in which this issue was emitted. */
private $line;
/** @var int the 1-based column in which this issue was emitted. 0 means the column is unknown (php-ast cannot provide it). */
private $column = 0;
/** @var string the formatted issue message */
private $message;
/** @var ?Suggestion If this is non-null, this contains suggestions on how to resolve the error. */
private $suggestion;
/** @var list<string|int|float> $template_parameters If this is non-null, this contains the arguments emitted for this instance of the issue. */
private $template_parameters;
/**
* @param Issue $issue
* @param string $file
* @param int $line
* @param list<string|int|float|FQSEN|Type|UnionType|TypedElementInterface|UnaddressableTypedElement> $template_parameters
* @param ?Suggestion $suggestion
* @param int $column
* @suppress PhanPluginRemoveDebugAny
*/
public function __construct(
Issue $issue,
string $file,
int $line,
array $template_parameters,
Suggestion $suggestion = null,
int $column = 0
) {
$this->issue = $issue;
$this->file = $file;
$this->line = $line;
$this->column = $column;
$this->suggestion = $suggestion;
if ($issue->getExpectedArgumentCount() !== \count($template_parameters)) {
CLI::printWarningToStderr(
\sprintf("Unexpected argument count for %s('%s'): Expected %d args, got %d\n", $issue->getType(), $issue->getTemplate(), $issue->getExpectedArgumentCount(), \count($template_parameters))
);
\ob_start();
\debug_print_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS);
\fwrite(\STDERR, (string)\ob_get_clean());
}
// color_issue_message will interfere with some formatters, such as xml.
if (Config::getValue('color_issue_messages')) {
$this->message = self::generateColorizedMessage($issue, $template_parameters);
} else {
$this->message = self::generatePlainMessage($issue, $template_parameters);
}
// The terminal color codes are valid utf-8 (all control code bytes <= 127)
$this->message = StringUtil::asSingleLineUtf8($this->message);
// Fixes #1754 : Some issue template parameters might not be serializable (for passing to ForkPool)
/**
* @param string|float|int|FQSEN|Type|UnionType|TypedElementInterface|UnaddressableTypedElement $parameter
* @return string|float|int
*/
$this->template_parameters = \array_map(static function ($parameter) {
if (\is_object($parameter)) {
return (string)$parameter;
}
return $parameter;
}, $template_parameters);
}
/**
* @param list<string|int|float|object> $template_parameters
*/
private static function generatePlainMessage(
Issue $issue,
array $template_parameters
): string {
$template = $issue->getTemplate();
// markdown_issue_messages doesn't make sense with color, unless you add <span style="color:red">msg</span>
// Not sure if codeclimate supports that.
if (Config::getValue('markdown_issue_messages')) {
$template = \preg_replace(
'/([^ ]*%s[^ ]*)/',
'`\1`',
$template
);
}
// @phan-suppress-next-line PhanPluginPrintfVariableFormatString the template is provided by Phan/its plugins
return \vsprintf(
$template,
self::normalizeTemplateParameters($template_parameters)
);
}
/**
* @param list<string|int|float|FQSEN|Type|UnionType|TypedElementInterface|UnaddressableTypedElement> $template_parameters
*/
private static function generateColorizedMessage(
Issue $issue,
array $template_parameters
): string {
$template = $issue->getTemplateRaw();
$result = Colorizing::colorizeTemplate($template, self::normalizeTemplateParameters($template_parameters));
return $result;
}
/**
* @param list<string|int|float|object> $template_parameters
* @return list<string|int|float|object>
*/
private static function normalizeTemplateParameters(array $template_parameters): array
{
foreach ($template_parameters as $i => $parameter) {
if ($parameter instanceof UnionType) {
$parameter = $parameter->__toString();
if ($parameter === '') {
$parameter = '(empty union type)';
}
$template_parameters[$i] = $parameter;
}
}
return $template_parameters;
}
/**
* @return ?Suggestion If this is non-null, this contains suggestions on how to resolve the error.
*/
public function getSuggestion(): ?Suggestion
{
return $this->suggestion;
}
/** @return list<string|int|float|FQSEN|Type|UnionType> $template_parameters */
public function getTemplateParameters(): array
{
return $this->template_parameters;
}
public function getSuggestionMessage(): ?string
{
if (!$this->suggestion) {
return null;
}
$text = $this->suggestion->getMessage();
if (!StringUtil::isNonZeroLengthString($text)) {
return null;
}
return StringUtil::asSingleLineUtf8($text);
}
public function getIssue(): Issue
{
return $this->issue;
}
public function getFile(): string
{
return $this->file;
}
public function getDisplayedFile(): string
{
if (Config::getValue('absolute_path_issue_messages')) {
return Config::projectPath($this->file);
}
return $this->file;
}
public function getLine(): int
{
return $this->line;
}
/**
* @return int the 1-based column, or 0 if the column is unknown.
*/
public function getColumn(): int
{
return $this->column;
}
public function getMessage(): string
{
return $this->message;
}
public function getMessageAndMaybeSuggestion(): string
{
$message = $this->message;
$suggestion = $this->getSuggestionMessage();
if (StringUtil::isNonZeroLengthString($suggestion)) {
return $message . ' (' . $suggestion . ')';
}
return $message;
}
public function __toString(): string
{
return "{$this->file}:{$this->line} {$this->getMessageAndMaybeSuggestion()}";
}
}

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IssueInstance.php (7 KB)

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