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<?php
namespace Psalm\Example\Plugin;
use PhpParser;
use Psalm\Checker;
use Psalm\Checker\StatementsChecker;
use Psalm\Codebase;
use Psalm\CodeLocation;
use Psalm\Context;
use Psalm\FileManipulation;
use Psalm\IssueBuffer;
use Psalm\Issue\TypeCoercion;
use Psalm\Plugin\Hook\AfterExpressionAnalysisInterface;
use Psalm\StatementsSource;
/**
* Prevents any assignment to a float value
*/
class PreventFloatAssignmentChecker implements AfterExpressionAnalysisInterface
{
/**
* Called after an expression has been checked
*
* @param PhpParser\Node\Expr $expr
* @param Context $context
* @param StatementsSource $file_soure
* @param string[] $suppressed_issues
* @param FileManipulation[] $file_replacements
*
* @return null|false
*/
public static function afterExpressionAnalysis(
PhpParser\Node\Expr $expr,
Context $context,
StatementsSource $statements_source,
Codebase $codebase,
array &$file_replacements = []
) {
if ($expr instanceof PhpParser\Node\Expr\Assign
&& isset($expr->inferredType)
&& $expr->inferredType->hasFloat()
) {
if (\Psalm\IssueBuffer::accepts(
new NoFloatAssignment(
'Don’t assign to floats',
new CodeLocation($statements_source, $expr)
),
$statements_source->getSuppressedIssues()
)) {
// fall through
}
}
}
}
class NoFloatAssignment extends \Psalm\Issue\PluginIssue {
}