support trait use

lib/PHPCfg/Op/Stmt/TraitUse.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of PHP-CFG, a Control flow graph implementation for PHP
+ *
+ * @copyright 2015 Anthony Ferrara. All rights reserved
+ * @license MIT See LICENSE at the root of the project for more info
+ */
+
+namespace PHPCfg\Op\Stmt;
+
+use PHPCfg\Op\Stmt;
+use PhpCfg\Operand;
+use PHPCfg\TraitUseAdaptation;
+
+class TraitUse extends Stmt 
+{
+    /**
+     * @var Operand[]
+     */
+    public array $traits;
+
+    /**
+     * @var TraitUseAdaptation[]
+     */
+    public array $adaptations;
+
+    public function __construct(array $traits,array $adaptations, array $attributes = [])
+    {
+        parent::__construct($attributes);
+        $this->traits = $traits;
+        $this->adaptations = $adaptations;
+    }
+}

lib/PHPCfg/Op/TraitUseAdaptation.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+
+/**
+ * This file is part of PHP-CFG, a Control flow graph implementation for PHP
+ *
+ * @copyright 2015 Anthony Ferrara. All rights reserved
+ * @license MIT See LICENSE at the root of the project for more info
+ */
+
+namespace PHPCfg\Op;
+
+use PHPCfg\Op;
+use PHPCfg\Operand;
+
+abstract class TraitUseAdaptation extends Op
+{
+    public ?Operand $trait;
+
+    public Operand $method;
+
+    public function __construct(?Operand $trait,Operand $method,array $attributes = [])
+    {
+        parent::__construct($attributes);
+        $this->trait = $trait;
+        $this->method = $method; 
+    }
+}

lib/PHPCfg/Op/TraitUseAdaptation/Alias.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of PHP-CFG, a Control flow graph implementation for PHP
+ *
+ * @copyright 2015 Anthony Ferrara. All rights reserved
+ * @license MIT See LICENSE at the root of the project for more info
+ */
+
+namespace PHPCfg\Op\TraitUseAdaptation;
+
+use PhpParser\Node;
+use PHPCfg\Operand;
+use PHPCfg\Op\TraitUseAdaptation;
+
+class Alias extends TraitUseAdaptation 
+{
+    public ?Operand $newName;
+
+    public ?int $newModifier;
+
+    public function __construct(?Operand $trait,Operand $method,?Operand $newName,?int $newModifier,array $attributes = [])
+    {
+        parent::__construct($trait,$method,$attributes);    
+        $this->newName = $newName;
+        $this->newModifier = $newModifier;
+    }
+
+    public function isPublic() : bool
+    {
+        return (bool) ($this->newModifier & Node\Stmt\Class_::MODIFIER_PUBLIC);
+    }
+
+    public function isProtected() : bool
+    {
+        return (bool) ($this->newModifier & Node\Stmt\Class_::MODIFIER_PROTECTED);
+    }
+
+    public function isPrivate() : bool
+    {
+        return (bool) ($this->newModifier & Node\Stmt\Class_::MODIFIER_PRIVATE);
+    }
+}

lib/PHPCfg/Op/TraitUseAdaptation/Precedence.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of PHP-CFG, a Control flow graph implementation for PHP
+ *
+ * @copyright 2015 Anthony Ferrara. All rights reserved
+ * @license MIT See LICENSE at the root of the project for more info
+ */
+
+namespace PHPCfg\Op\TraitUseAdaptation;
+
+use PHPCfg\Operand;
+use PHPCfg\Op\TraitUseAdaptation;
+
+class Precedence extends TraitUseAdaptation
+{
+    public array $insteadof;
+
+    public function __construct(?Operand $trait,Operand $method,array $insteadof,array $attributes = [])
+    {
+        parent::__construct($trait,$method,$attributes);   
+        $this->insteadof = $insteadof;
+    }
+}

lib/PHPCfg/Parser.php

@@ -13,7 +13,10 @@
 
 use PHPCfg\Op\Stmt\Jump;
 use PHPCfg\Op\Stmt\JumpIf;
+use PHPCfg\Op\Stmt\TraitUse;
 use PHPCfg\Op\Terminal\Return_;
+use PHPCfg\Op\TraitUseAdaptation\Alias;
+use PHPCfg\Op\TraitUseAdaptation\Precedence;
 use PHPCfg\Operand\Literal;
 use PHPCfg\Operand\Temporary;
 use PHPCfg\Operand\Variable;
@@ -684,7 +687,35 @@ protected function parseStmt_Trait(Stmt\Trait_ $node)
 
     protected function parseStmt_TraitUse(Stmt\TraitUse $node)
     {
-        // TODO
+        $traits = [];
+        $adaptations = [];
+        foreach($node->traits as $trait_) {
+            $traits[] = new Literal($trait_->toCodeString()); 
+        }
+        foreach($node->adaptations as $adaptation) {
+            if($adaptation instanceof Stmt\TraitUseAdaptation\Alias) {
+                $adaptations[] = new Alias(
+                    $adaptation->trait != null ? new Literal($adaptation->trait->toCodeString()) : null,
+                    new Literal($adaptation->method->name),
+                    $adaptation->newName != null ? new Literal($adaptation->newName->name) : null,
+                    $adaptation->newModifier,
+                    $this->mapAttributes($adaptation)
+                );
+            }
+            else if($adaptation instanceof Stmt\TraitUseAdaptation\Precedence) {
+                $insteadofs = [];
+                foreach($adaptation->insteadof as $insteadof) {
+                    $insteadofs[] = new Literal($insteadof->toCodeString());
+                }
+                $adaptations[] = new Precedence(
+                    $adaptation->trait != null ? new Literal($adaptation->trait->toCodeString()) : null,
+                    new Literal($adaptation->method->name),
+                    $insteadofs,
+                    $this->mapAttributes($adaptation)
+                );
+            }
+        }
+        $this->block->children[] = new TraitUse($traits,$adaptations,$this->mapAttributes($node));
     }
 
     protected function parseStmt_TryCatch(Stmt\TryCatch $node)

lib/PHPCfg/Printer.php

@@ -123,6 +123,45 @@ protected function renderOp(Op $op)
             $result .= "\n    flags: " . $this->indent($this->renderFlags($op));
             $result .= "\n    declaredType: " . $this->indent($this->renderType($op->declaredType));
         }
+        if($op instanceof Op\Stmt\TraitUse) {
+            foreach($op->traits as $index => $trait_) {
+                $result .= "\n    use[$index]: " . $this->indent($this->renderOperand($trait_));
+            }
+            foreach($op->adaptations as $index => $adaptation) {
+                if($adaptation instanceof Op\TraitUseAdaptation\Alias) {
+                    $result .= "\n    adaptation[$index]: Alias";
+                    if($adaptation->trait != null) {
+                        $result .= "\n        trait:".$this->indent($this->renderOperand($adaptation->trait));
+                    }
+                    $result .= "\n        method:".$this->indent($this->renderOperand($adaptation->method));
+                    if($adaptation->newName != null) {
+                        $result .= "\n        newName:".$this->indent($this->renderOperand($adaptation->newName));
+                    }
+                    if($adaptation->newModifier != null) {
+                        $result .= "\n        newModifier:";
+                        if($adaptation->isPublic()) {
+                            $result .= "public";
+                        }
+                        if($adaptation->isPrivate()) {
+                            $result .= "private";
+                        }
+                        if($adaptation->isProtected()) {
+                            $result .= "protected";
+                        }
+                    }
+                }
+                else if($adaptation instanceof Op\TraitUseAdaptation\Precedence) {
+                    $result .= "\n    adaptation[$index]: Insteadof";
+                    if($adaptation->trait != null) {
+                        $result .= "\n        trait:".$this->indent($this->renderOperand($adaptation->trait));
+                    }
+                    $result .= "\n        method:".$this->indent($this->renderOperand($adaptation->method));
+                    foreach($adaptation->insteadof as $index2 => $insteadof) {
+                        $result .= "\n        insteadof[$index2]: " . $this->indent($this->renderOperand($insteadof));
+                    } 
+                }
+            }
+        }
         if ($op instanceof Op\Stmt\ClassMethod) {
             $result .= "\n    flags: " . $this->indent($this->renderFlags($op));
         }

test/code/traitUse.test

@@ -0,0 +1,115 @@
+<?php
+trait A {
+    public function smallTalk() {
+        echo 'a';
+    }
+    public function bigTalk() {
+        echo 'A';
+    }
+}
+
+trait B {
+    public function smallTalk() {
+        echo 'b';
+    }
+    public function bigTalk() {
+        echo 'B';
+    }
+}
+
+class Talker {
+    use A, B {
+        B::smallTalk insteadof A;
+        A::bigTalk insteadof B;
+    }
+}
+
+class Aliased_Talker {
+    use A, B {
+        B::smallTalk insteadof A;
+        A::bigTalk insteadof B;
+        B::bigTalk as private talk;
+    }
+}
+-----
+Block#1
+    Stmt_Trait
+        name: LITERAL('A')
+        stmts: Block#2
+    Stmt_Trait
+        name: LITERAL('B')
+        stmts: Block#3
+    Stmt_Class
+        name: LITERAL('Talker')
+        stmts: Block#4
+    Stmt_Class
+        name: LITERAL('Aliased_Talker')
+        stmts: Block#5
+    Terminal_Return
+
+Block#2
+    Stmt_ClassMethod<'smallTalk'>
+        flags: public
+    Stmt_ClassMethod<'bigTalk'>
+        flags: public
+
+Block#3
+    Stmt_ClassMethod<'smallTalk'>
+        flags: public
+    Stmt_ClassMethod<'bigTalk'>
+        flags: public
+
+Block#4
+    Stmt_TraitUse
+        use[0]: LITERAL('\\A')
+        use[1]: LITERAL('\\B')
+        adaptation[0]: Insteadof
+            trait:LITERAL('\\B')
+            method:LITERAL('smallTalk')
+            insteadof[0]: LITERAL('\\A')
+        adaptation[1]: Insteadof
+            trait:LITERAL('\\A')
+            method:LITERAL('bigTalk')
+            insteadof[0]: LITERAL('\\B')
+
+Block#5
+    Stmt_TraitUse
+        use[0]: LITERAL('\\A')
+        use[1]: LITERAL('\\B')
+        adaptation[0]: Insteadof
+            trait:LITERAL('\\B')
+            method:LITERAL('smallTalk')
+            insteadof[0]: LITERAL('\\A')
+        adaptation[1]: Insteadof
+            trait:LITERAL('\\A')
+            method:LITERAL('bigTalk')
+            insteadof[0]: LITERAL('\\B')
+        adaptation[2]: Alias
+            trait:LITERAL('\\B')
+            method:LITERAL('bigTalk')
+            newName:LITERAL('talk')
+            newModifier:private
+
+Function 'A::smallTalk': mixed
+Block#1
+    Terminal_Echo
+        expr: LITERAL('a')
+    Terminal_Return
+
+Function 'A::bigTalk': mixed
+Block#1
+    Terminal_Echo
+        expr: LITERAL('A')
+    Terminal_Return
+
+Function 'B::smallTalk': mixed
+Block#1
+    Terminal_Echo
+        expr: LITERAL('b')
+    Terminal_Return
+
+Function 'B::bigTalk': mixed
+Block#1
+    Terminal_Echo
+        expr: LITERAL('B')
+    Terminal_Return