Added short ternary and coalesce

Author: Slamdunk

src/StaticAnalysis/ExecutableLinesFindingVisitor.php

@@ -121,8 +121,23 @@ public function enterNode(Node $node): void
         }
 
         if ($node instanceof Node\Expr\Ternary) {
-            $this->setLineBranch($node->if->getStartLine(), $node->if->getEndLine(), ++$this->nextBranch);
-            $this->setLineBranch($node->else->getStartLine(), $node->else->getEndLine(), ++$this->nextBranch);
+            if (null !== $node->if &&
+                $node->getStartLine() !== $node->if->getEndLine()
+            ) {
+                $this->setLineBranch($node->if->getStartLine(), $node->if->getEndLine(), ++$this->nextBranch);
+            }
+
+            if ($node->getStartLine() !== $node->else->getEndLine()) {
+                $this->setLineBranch($node->else->getStartLine(), $node->else->getEndLine(), ++$this->nextBranch);
+            }
+
+            return;
+        }
+
+        if ($node instanceof Node\Expr\BinaryOp\Coalesce) {
+            if ($node->getStartLine() !== $node->getEndLine()) {
+                $this->setLineBranch($node->getEndLine(), $node->getEndLine(), ++$this->nextBranch);
+            }
 
             return;
         }

tests/_files/source_for_branched_exec_lines.php

@@ -355,18 +355,27 @@ public function withThrow()
     }
     public function withTernaryOperator()
     {
-        $var                                // +8
+        $var = true ? 'a' : 'b';            // +8
+        $var                                // 0
             =                               // 0
             true                            // 0
             ?                               // 0
                 'a'                         // +1
                 :                           // -1
                 'b'                         // +2
             ;                               // -2
+
+        $short = $var ?: null;              // 0
+        $short = $var                       // 0
+            ?: null;                        // +3
+
+        $short = $var ?? null;              // -3
+        $short = $var                       // 0
+            ?? null;                        // +4
     }
     public function withCall()
     {
-        $var = 1;                           // +3
+        $var = 1;                           // +1
         $var = intval($var);                // 0
         ++$var;                             // +1
         $date = new DateTimeImmutable();    // 0