1 files changed, 273 insertions, 0 deletions
diff --git a/vendor/phpunit/php-code-coverage/src/StaticAnalysis/ExecutableLinesFindingVisitor.php b/vendor/phpunit/php-code-coverage/src/StaticAnalysis/ExecutableLinesFindingVisitor.php
new file mode 100644
index 000000000..ae0b08ae7
--- /dev/null
+++ b/vendor/phpunit/php-code-coverage/src/StaticAnalysis/ExecutableLinesFindingVisitor.php
@@ -0,0 +1,273 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-code-coverage.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeCoverage\StaticAnalysis;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\Array_;
+use PhpParser\Node\Expr\ArrayDimFetch;
+use PhpParser\Node\Expr\ArrayItem;
+use PhpParser\Node\Expr\Assign;
+use PhpParser\Node\Expr\BinaryOp;
+use PhpParser\Node\Expr\CallLike;
+use PhpParser\Node\Expr\Cast;
+use PhpParser\Node\Expr\Closure;
+use PhpParser\Node\Expr\Match_;
+use PhpParser\Node\Expr\MethodCall;
+use PhpParser\Node\Expr\NullsafePropertyFetch;
+use PhpParser\Node\Expr\PropertyFetch;
+use PhpParser\Node\Expr\StaticPropertyFetch;
+use PhpParser\Node\Expr\Ternary;
+use PhpParser\Node\MatchArm;
+use PhpParser\Node\Scalar\Encapsed;
+use PhpParser\Node\Stmt\Break_;
+use PhpParser\Node\Stmt\Case_;
+use PhpParser\Node\Stmt\Catch_;
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Continue_;
+use PhpParser\Node\Stmt\Do_;
+use PhpParser\Node\Stmt\Echo_;
+use PhpParser\Node\Stmt\Else_;
+use PhpParser\Node\Stmt\ElseIf_;
+use PhpParser\Node\Stmt\Expression;
+use PhpParser\Node\Stmt\Finally_;
+use PhpParser\Node\Stmt\For_;
+use PhpParser\Node\Stmt\Foreach_;
+use PhpParser\Node\Stmt\Goto_;
+use PhpParser\Node\Stmt\If_;
+use PhpParser\Node\Stmt\Property;
+use PhpParser\Node\Stmt\Return_;
+use PhpParser\Node\Stmt\Switch_;
+use PhpParser\Node\Stmt\Throw_;
+use PhpParser\Node\Stmt\TryCatch;
+use PhpParser\Node\Stmt\Unset_;
+use PhpParser\Node\Stmt\While_;
+use PhpParser\NodeVisitorAbstract;
+
+/**
+ * @internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage
+ */
+final class ExecutableLinesFindingVisitor extends NodeVisitorAbstract
+{
+    /**
+     * @psalm-var array<int, int>
+     */
+    private $executableLines = [];
+
+    /**
+     * @psalm-var array<int, int>
+     */
+    private $propertyLines = [];
+
+    /**
+     * @psalm-var array<int, Return_>
+     */
+    private $returns = [];
+
+    public function enterNode(Node $node): void
+    {
+        $this->savePropertyLines($node);
+
+        if (!$this->isExecutable($node)) {
+            return;
+        }
+
+        foreach ($this->getLines($node) as $line) {
+            if (isset($this->propertyLines[$line])) {
+                return;
+            }
+
+            $this->executableLines[$line] = $line;
+        }
+    }
+
+    /**
+     * @psalm-return array<int, int>
+     */
+    public function executableLines(): array
+    {
+        $this->computeReturns();
+
+        sort($this->executableLines);
+
+        return $this->executableLines;
+    }
+
+    private function savePropertyLines(Node $node): void
+    {
+        if (!$node instanceof Property && !$node instanceof Node\Stmt\ClassConst) {
+            return;
+        }
+
+        foreach (range($node->getStartLine(), $node->getEndLine()) as $index) {
+            $this->propertyLines[$index] = $index;
+        }
+    }
+
+    private function computeReturns(): void
+    {
+        foreach ($this->returns as $return) {
+            foreach (range($return->getStartLine(), $return->getEndLine()) as $loc) {
+                if (isset($this->executableLines[$loc])) {
+                    continue 2;
+                }
+            }
+
+            $line = $return->getEndLine();
+
+            if ($return->expr !== null) {
+                $line = $return->expr->getStartLine();
+            }
+
+            $this->executableLines[$line] = $line;
+        }
+    }
+
+    /**
+     * @return int[]
+     */
+    private function getLines(Node $node): array
+    {
+        if ($node instanceof Cast ||
+            $node instanceof PropertyFetch ||
+            $node instanceof NullsafePropertyFetch ||
+            $node instanceof StaticPropertyFetch) {
+            return [$node->getEndLine()];
+        }
+
+        if ($node instanceof ArrayDimFetch) {
+            if (null === $node->dim) {
+                return [];
+            }
+
+            return [$node->dim->getStartLine()];
+        }
+
+        if ($node instanceof Array_) {
+            $startLine = $node->getStartLine();
+
+            if (isset($this->executableLines[$startLine])) {
+                return [];
+            }
+
+            if ([] === $node->items) {
+                return [$node->getEndLine()];
+            }
+
+            if ($node->items[0] instanceof ArrayItem) {
+                return [$node->items[0]->getStartLine()];
+            }
+        }
+
+        if ($node instanceof ClassMethod) {
+            if ($node->name->name !== '__construct') {
+                return [];
+            }
+
+            $existsAPromotedProperty = false;
+
+            foreach ($node->getParams() as $param) {
+                if (0 !== ($param->flags & Class_::VISIBILITY_MODIFIER_MASK)) {
+                    $existsAPromotedProperty = true;
+
+                    break;
+                }
+            }
+
+            if ($existsAPromotedProperty) {
+                // Only the line with `function` keyword should be listed here
+                // but `nikic/php-parser` doesn't provide a way to fetch it
+                return range($node->getStartLine(), $node->name->getEndLine());
+            }
+
+            return [];
+        }
+
+        if ($node instanceof MethodCall) {
+            return [$node->name->getStartLine()];
+        }
+
+        if ($node instanceof Ternary) {
+            $lines = [$node->cond->getStartLine()];
+
+            if (null !== $node->if) {
+                $lines[] = $node->if->getStartLine();
+            }
+
+            $lines[] = $node->else->getStartLine();
+
+            return $lines;
+        }
+
+        if ($node instanceof Match_) {
+            return [$node->cond->getStartLine()];
+        }
+
+        if ($node instanceof MatchArm) {
+            return [$node->body->getStartLine()];
+        }
+
+        if ($node instanceof Expression && (
+            $node->expr instanceof Cast ||
+            $node->expr instanceof Match_ ||
+            $node->expr instanceof MethodCall
+        )) {
+            return [];
+        }
+
+        if ($node instanceof Return_) {
+            $this->returns[] = $node;
+
+            return [];
+        }
+
+        return [$node->getStartLine()];
+    }
+
+    private function isExecutable(Node $node): bool
+    {
+        return $node instanceof Assign ||
+               $node instanceof ArrayDimFetch ||
+               $node instanceof Array_ ||
+               $node instanceof BinaryOp ||
+               $node instanceof Break_ ||
+               $node instanceof CallLike ||
+               $node instanceof Case_ ||
+               $node instanceof Cast ||
+               $node instanceof Catch_ ||
+               $node instanceof ClassMethod ||
+               $node instanceof Closure ||
+               $node instanceof Continue_ ||
+               $node instanceof Do_ ||
+               $node instanceof Echo_ ||
+               $node instanceof ElseIf_ ||
+               $node instanceof Else_ ||
+               $node instanceof Encapsed ||
+               $node instanceof Expression ||
+               $node instanceof Finally_ ||
+               $node instanceof For_ ||
+               $node instanceof Foreach_ ||
+               $node instanceof Goto_ ||
+               $node instanceof If_ ||
+               $node instanceof Match_ ||
+               $node instanceof MatchArm ||
+               $node instanceof MethodCall ||
+               $node instanceof NullsafePropertyFetch ||
+               $node instanceof PropertyFetch ||
+               $node instanceof Return_ ||
+               $node instanceof StaticPropertyFetch ||
+               $node instanceof Switch_ ||
+               $node instanceof Ternary ||
+               $node instanceof Throw_ ||
+               $node instanceof TryCatch ||
+               $node instanceof Unset_ ||
+               $node instanceof While_;
+    }
+}