<commit_before><?php

namespace PhpParser\PrettyPrinter;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\Cast;
use PhpParser\Node\Name;
use PhpParser\Node\Scalar;
use PhpParser\Node\Scalar\MagicConst;
use PhpParser\Node\Stmt;
use PhpParser\PrettyPrinterAbstract;

class Standard extends PrettyPrinterAbstract
{
    // Special nodes

    protected function pParam(Node\Param $node) {
        return ($node->type ? $this->pType($node->type) . ' ' : '')
             . ($node->byRef ? '&' : '')
             . ($node->variadic ? '...' : '')
             . '$' . $node->name
             . ($node->default ? ' = ' . $this->p($node->default) : '');
    }

    protected function pArg(Node\Arg $node) {
        return ($node->byRef ? '&' : '') . ($node->unpack ? '...' : '') . $this->p($node->value);
    }

    protected function pConst(Node\Const_ $node) {
        return $node->name . ' = ' . $this->p($node->value);
    }

    protected function pNullableType(Node\NullableType $node) {
        return '?' . $this->pType($node->type);
    }

    // Names

    protected function pName(Name $node) {
        return implode('\\', $node->parts);
    }

    protected function pName_FullyQualified(Name\FullyQualified $node) {
        return '\\' . implode('\\', $node->parts);
    }

    protected function pName_Relative(Name\Relative $node) {
        return 'namespace\\' . implode('\\', $node->parts);
    }

    // Magic Constants

    protected function pScalar_MagicConst_Class(MagicConst\Class_ $node) {
        return '__CLASS__';
    }

    protected function pScalar_MagicConst_Dir(MagicConst\Dir $node) {
        return '__DIR__';
    }

    protected function pScalar_MagicConst_File(MagicConst\File $node) {
        return '__FILE__';
    }

    protected function pScalar_MagicConst_Function(MagicConst\Function_ $node) {
        return '__FUNCTION__';
    }

    protected function pScalar_MagicConst_Line(MagicConst\Line $node) {
        return '__LINE__';
    }

    protected function pScalar_MagicConst_Method(MagicConst\Method $node) {
        return '__METHOD__';
    }

    protected function pScalar_MagicConst_Namespace(MagicConst\Namespace_ $node) {
        return '__NAMESPACE__';
    }

    protected function pScalar_MagicConst_Trait(MagicConst\Trait_ $node) {
        return '__TRAIT__';
    }

    // Scalars

    protected function pScalar_String(Scalar\String_ $node) {
        $kind = $node->getAttribute('kind', Scalar\String_::KIND_SINGLE_QUOTED);
        switch ($kind) {
            case Scalar\String_::KIND_NOWDOC:
                $label = $node->getAttribute('docLabel');
                if ($label && !$this->containsEndLabel($node->value, $label)) {
                    if ($node->value === '') {
                        return $this->pNoIndent("<<<'$label'\n$label") . $this->docStringEndToken;
                    }

                    return $this->pNoIndent("<<<'$label'\n$node->value\n$label")
                         . $this->docStringEndToken;
                }
                /* break missing intentionally */
            case Scalar\String_::KIND_SINGLE_QUOTED:
                return '\'' . $this->pNoIndent(addcslashes($node->value, '\'\\')) . '\'';
            case Scalar\String_::KIND_HEREDOC:
                $label = $node->getAttribute('docLabel');
                if ($label && !$this->containsEndLabel($node->value, $label)) {
                    if ($node->value === '') {
                        return $this->pNoIndent("<<<$label\n$label") . $this->docStringEndToken;
                    }

                    $escaped = $this->escapeString($node->value, null);
                    return $this->pNoIndent("<<<$label\n" . $escaped ."\n$label")
                         . $this->docStringEndToken;
                }
            /* break missing intentionally */
            case Scalar\String_::KIND_DOUBLE_QUOTED:
                return '"' . $this->escapeString($node->value, '"') . '"';
        }
        throw new \Exception('Invalid string kind');
    }

    protected function pScalar_Encapsed(Scalar\Encapsed $node) {
        if ($node->getAttribute('kind') === Scalar\String_::KIND_HEREDOC) {
            $label = $node->getAttribute('docLabel');
            if ($label && !$this->encapsedContainsEndLabel($node->parts, $label)) {
                if (count($node->parts) === 1
                    && $node->parts[0] instanceof Scalar\EncapsedStringPart
                    && $node->parts[0]->value === ''
                ) {
                    return $this->pNoIndent("<<<$label\n$label") . $this->docStringEndToken;
                }

                return $this->pNoIndent(
                    "<<<$label\n" . $this->pEncapsList($node->parts, null) . "\n$label"
                ) . $this->docStringEndToken;
            }
        }
        return '"' . $this->pEncapsList($node->parts, '"') . '"';
    }

    protected function pScalar_LNumber(Scalar\LNumber $node) {
        if ($node->value === -\PHP_INT_MAX-1) {
            // PHP_INT_MIN cannot be represented as a literal,
            // because the sign is not part of the literal
            return '(-' . \PHP_INT_MAX . '-1)';
        }

        $kind = $node->getAttribute('kind', Scalar\LNumber::KIND_DEC);
        if (Scalar\LNumber::KIND_DEC === $kind) {
            return (string) $node->value;
        }

        $sign = $node->value < 0 ? '-' : '';
        $str = (string) $node->value;
        switch ($kind) {
            case Scalar\LNumber::KIND_BIN:
                return $sign . '0b' . base_convert($str, 10, 2);
            case Scalar\LNumber::KIND_OCT:
                return $sign . '0' . base_convert($str, 10, 8);
            case Scalar\LNumber::KIND_HEX:
                return $sign . '0x' . base_convert($str, 10, 16);
        }
        throw new \Exception('Invalid number kind');
    }

    protected function pScalar_DNumber(Scalar\DNumber $node) {
        if (!is_finite($node->value)) {
            if ($node->value === \INF) {
                return '\INF';
            } elseif ($node->value === -\INF) {
                return '-\INF';
            } else {
                return '\NAN';
            }
        }

        // Try to find a short full-precision representation
        $stringValue = sprintf('%.16G', $node->value);
        if ($node->value !== (double) $stringValue) {
            $stringValue = sprintf('%.17G', $node->value);
        }

        // ensure that number is really printed as float
        return preg_match('/^-?[0-9]+$/', $stringValue) ? $stringValue . '.0' : $stringValue;
    }

    // Assignments

    protected function pExpr_Assign(Expr\Assign $node) {
        return $this->pInfixOp('Expr_Assign', $node->var, ' = ', $node->expr);
    }

    protected function pExpr_AssignRef(Expr\AssignRef $node) {
        return $this->pInfixOp('Expr_AssignRef', $node->var, ' =& ', $node->expr);
    }

    protected function pExpr_AssignOp_Plus(AssignOp\Plus $node) {
        return $this->pInfixOp('Expr_AssignOp_Plus', $node->var, ' += ', $node->expr);
    }

    protected function pExpr_AssignOp_Minus(AssignOp\Minus $node) {
        return $this->pInfixOp('Expr_AssignOp_Minus', $node->var, ' -= ', $node->expr);
    }

    protected function pExpr_AssignOp_Mul(AssignOp\Mul $node) {
        return $this->pInfixOp('Expr_AssignOp_Mul', $node->var, ' *= ', $node->expr);
    }

    protected function pExpr_AssignOp_Div(AssignOp\Div $node) {
        return $this->pInfixOp('Expr_AssignOp_Div', $node->var, ' /= ', $node->expr);
    }

    protected function pExpr_AssignOp_Concat(AssignOp\Concat $node) {
        return $this->pInfixOp('Expr_AssignOp_Concat', $node->var, ' .= ', $node->expr);
    }

    protected function pExpr_AssignOp_Mod(AssignOp\Mod $node) {
        return $this->pInfixOp('Expr_AssignOp_Mod', $node->var, ' %= ', $node->expr);
    }

    protected function pExpr_AssignOp_BitwiseAnd(AssignOp\BitwiseAnd $node) {
        return $this->pInfixOp('Expr_AssignOp_BitwiseAnd', $node->var, ' &= ', $node->expr);
    }

    protected function pExpr_AssignOp_BitwiseOr(AssignOp\BitwiseOr $node) {
        return $this->pInfixOp('Expr_AssignOp_BitwiseOr', $node->var, ' |= ', $node->expr);
    }

    protected function pExpr_AssignOp_BitwiseXor(AssignOp\BitwiseXor $node) {
        return $this->pInfixOp('Expr_AssignOp_BitwiseXor', $node->var, ' ^= ', $node->expr);
    }

    protected function pExpr_AssignOp_ShiftLeft(AssignOp\ShiftLeft $node) {
        return $this->pInfixOp('Expr_AssignOp_ShiftLeft', $node->var, ' <<= ', $node->expr);
    }

    protected function pExpr_AssignOp_ShiftRight(AssignOp\ShiftRight $node) {
        return $this->pInfixOp('Expr_AssignOp_ShiftRight', $node->var, ' >>= ', $node->expr);
    }

    protected function pExpr_AssignOp_Pow(AssignOp\Pow $node) {
        return $this->pInfixOp('Expr_AssignOp_Pow', $node->var, ' **= ', $node->expr);
    }

    // Binary expressions

    protected function pExpr_BinaryOp_Plus(BinaryOp\Plus $node) {
        return $this->pInfixOp('Expr_BinaryOp_Plus', $node->left, ' + ', $node->right);
    }

    protected function pExpr_BinaryOp_Minus(BinaryOp\Minus $node) {
        return $this->pInfixOp('Expr_BinaryOp_Minus', $node->left, ' - ', $node->right);
    }

    protected function pExpr_BinaryOp_Mul(BinaryOp\Mul $node) {
        return $this->pInfixOp('Expr_BinaryOp_Mul', $node->left, ' * ', $node->right);
    }

    protected function pExpr_BinaryOp_Div(BinaryOp\Div $node) {
        return $this->pInfixOp('Expr_BinaryOp_Div', $node->left, ' / ', $node->right);
    }

    protected function pExpr_BinaryOp_Concat(BinaryOp\Concat $node) {
        return $this->pInfixOp('Expr_BinaryOp_Concat', $node->left, ' . ', $node->right);
    }

    protected function pExpr_BinaryOp_Mod(BinaryOp\Mod $node) {
        return $this->pInfixOp('Expr_BinaryOp_Mod', $node->left, ' % ', $node->right);
    }

    protected function pExpr_BinaryOp_BooleanAnd(BinaryOp\BooleanAnd $node) {
        return $this->pInfixOp('Expr_BinaryOp_BooleanAnd', $node->left, ' && ', $node->right);
    }

    protected function pExpr_BinaryOp_BooleanOr(BinaryOp\BooleanOr $node) {
        return $this->pInfixOp('Expr_BinaryOp_BooleanOr', $node->left, ' || ', $node->right);
    }

    protected function pExpr_BinaryOp_BitwiseAnd(BinaryOp\BitwiseAnd $node) {
        return $this->pInfixOp('Expr_BinaryOp_BitwiseAnd', $node->left, ' & ', $node->right);
    }

    protected function pExpr_BinaryOp_BitwiseOr(BinaryOp\BitwiseOr $node) {
        return $this->pInfixOp('Expr_BinaryOp_BitwiseOr', $node->left, ' | ', $node->right);
    }

    protected function pExpr_BinaryOp_BitwiseXor(BinaryOp\BitwiseXor $node) {
        return $this->pInfixOp('Expr_BinaryOp_BitwiseXor', $node->left, ' ^ ', $node->right);
    }

    protected function pExpr_BinaryOp_ShiftLeft(BinaryOp\ShiftLeft $node) {
        return $this->pInfixOp('Expr_BinaryOp_ShiftLeft', $node->left, ' << ', $node->right);
    }

    protected function pExpr_BinaryOp_ShiftRight(BinaryOp\ShiftRight $node) {
        return $this->pInfixOp('Expr_BinaryOp_ShiftRight', $node->left, ' >> ', $node->right);
    }

    protected function pExpr_BinaryOp_Pow(BinaryOp\Pow $node) {
        return $this->pInfixOp('Expr_BinaryOp_Pow', $node->left, ' ** ', $node->right);
    }

    protected function pExpr_BinaryOp_LogicalAnd(BinaryOp\LogicalAnd $node) {
        return $this->pInfixOp('Expr_BinaryOp_LogicalAnd', $node->left, ' and ', $node->right);
    }

    protected function pExpr_BinaryOp_LogicalOr(BinaryOp\LogicalOr $node) {
        return $this->pInfixOp('Expr_BinaryOp_LogicalOr', $node->left, ' or ', $node->right);
    }

    protected function pExpr_BinaryOp_LogicalXor(BinaryOp\LogicalXor $node) {
        return $this->pInfixOp('Expr_BinaryOp_LogicalXor', $node->left, ' xor ', $node->right);
    }

    protected function pExpr_BinaryOp_Equal(BinaryOp\Equal $node) {
        return $this->pInfixOp('Expr_BinaryOp_Equal', $node->left, ' == ', $node->right);
    }

    protected function pExpr_BinaryOp_NotEqual(BinaryOp\NotEqual $node) {
        return $this->pInfixOp('Expr_BinaryOp_NotEqual', $node->left, ' != ', $node->right);
    }

    protected function pExpr_BinaryOp_Identical(BinaryOp\Identical $node) {
        return $this->pInfixOp('Expr_BinaryOp_Identical', $node->left, ' === ', $node->right);
    }

    protected function pExpr_BinaryOp_NotIdentical(BinaryOp\NotIdentical $node) {
        return $this->pInfixOp('Expr_BinaryOp_NotIdentical', $node->left, ' !== ', $node->right);
    }

    protected function pExpr_BinaryOp_Spaceship(BinaryOp\Spaceship $node) {
        return $this->pInfixOp('Expr_BinaryOp_Spaceship', $node->left, ' <=> ', $node->right);
    }

    protected function pExpr_BinaryOp_Greater(BinaryOp\Greater $node) {
        return $this->pInfixOp('Expr_BinaryOp_Greater', $node->left, ' > ', $node->right);
    }

    protected function pExpr_BinaryOp_GreaterOrEqual(BinaryOp\GreaterOrEqual $node) {
        return $this->pInfixOp('Expr_BinaryOp_GreaterOrEqual', $node->left, ' >= ', $node->right);
    }

    protected function pExpr_BinaryOp_Smaller(BinaryOp\Smaller $node) {
        return $this->pInfixOp('Expr_BinaryOp_Smaller', $node->left, ' < ', $node->right);
    }

    protected function pExpr_BinaryOp_SmallerOrEqual(BinaryOp\SmallerOrEqual $node) {
        return $this->pInfixOp('Expr_BinaryOp_SmallerOrEqual', $node->left, ' <= ', $node->right);
    }

    protected function pExpr_BinaryOp_Coalesce(BinaryOp\Coalesce $node) {
        return $this->pInfixOp('Expr_BinaryOp_Coalesce', $node->left, ' ?? ', $node->right);
    }

    protected function pExpr_Instanceof(Expr\Instanceof_ $node) {
        return $this->pInfixOp('Expr_Instanceof', $node->expr, ' instanceof ', $node->class);
    }

    // Unary expressions

    protected function pExpr_BooleanNot(Expr\BooleanNot $node) {
        return $this->pPrefixOp('Expr_BooleanNot', '!', $node->expr);
    }

    protected function pExpr_BitwiseNot(Expr\BitwiseNot $node) {
        return $this->pPrefixOp('Expr_BitwiseNot', '~', $node->expr);
    }

    protected function pExpr_UnaryMinus(Expr\UnaryMinus $node) {
        return $this->pPrefixOp('Expr_UnaryMinus', '-', $node->expr);
    }

    protected function pExpr_UnaryPlus(Expr\UnaryPlus $node) {
        return $this->pPrefixOp('Expr_UnaryPlus', '+', $node->expr);
    }

    protected function pExpr_PreInc(Expr\PreInc $node) {
        return $this->pPrefixOp('Expr_PreInc', '++', $node->var);
    }

    protected function pExpr_PreDec(Expr\PreDec $node) {
        return $this->pPrefixOp('Expr_PreDec', '--', $node->var);
    }

    protected function pExpr_PostInc(Expr\PostInc $node) {
        return $this->pPostfixOp('Expr_PostInc', $node->var, '++');
    }

    protected function pExpr_PostDec(Expr\PostDec $node) {
        return $this->pPostfixOp('Expr_PostDec', $node->var, '--');
    }

    protected function pExpr_ErrorSuppress(Expr\ErrorSuppress $node) {
        return $this->pPrefixOp('Expr_ErrorSuppress', '@', $node->expr);
    }

    protected function pExpr_YieldFrom(Expr\YieldFrom $node) {
        return $this->pPrefixOp('Expr_YieldFrom', 'yield from ', $node->expr);
    }

    protected function pExpr_Print(Expr\Print_ $node) {
        return $this->pPrefixOp('Expr_Print', 'print ', $node->expr);
    }

    // Casts

    protected function pExpr_Cast_Int(Cast\Int_ $node) {
        return $this->pPrefixOp('Expr_Cast_Int', '(int) ', $node->expr);
    }

    protected function pExpr_Cast_Double(Cast\Double $node) {
        return $this->pPrefixOp('Expr_Cast_Double', '(double) ', $node->expr);
    }

    protected function pExpr_Cast_String(Cast\String_ $node) {
        return $this->pPrefixOp('Expr_Cast_String', '(string) ', $node->expr);
    }

    protected function pExpr_Cast_Array(Cast\Array_ $node) {
        return $this->pPrefixOp('Expr_Cast_Array', '(array) ', $node->expr);
    }

    protected function pExpr_Cast_Object(Cast\Object_ $node) {
        return $this->pPrefixOp('Expr_Cast_Object', '(object) ', $node->expr);
    }

    protected function pExpr_Cast_Bool(Cast\Bool_ $node) {
        return $this->pPrefixOp('Expr_Cast_Bool', '(bool) ', $node->expr);
    }

    protected function pExpr_Cast_Unset(Cast\Unset_ $node) {
        return $this->pPrefixOp('Expr_Cast_Unset', '(unset) ', $node->expr);
    }

    // Function calls and similar constructs

    protected function pExpr_FuncCall(Expr\FuncCall $node) {
        return $this->pCallLhs($node->name)
             . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_MethodCall(Expr\MethodCall $node) {
        return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name)
             . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_StaticCall(Expr\StaticCall $node) {
        return $this->pDereferenceLhs($node->class) . '::'
             . ($node->name instanceof Expr
                ? ($node->name instanceof Expr\Variable
                   ? $this->p($node->name)
                   : '{' . $this->p($node->name) . '}')
                : $node->name)
             . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_Empty(Expr\Empty_ $node) {
        return 'empty(' . $this->p($node->expr) . ')';
    }

    protected function pExpr_Isset(Expr\Isset_ $node) {
        return 'isset(' . $this->pCommaSeparated($node->vars) . ')';
    }

    protected function pExpr_Eval(Expr\Eval_ $node) {
        return 'eval(' . $this->p($node->expr) . ')';
    }

    protected function pExpr_Include(Expr\Include_ $node) {
        static $map = array(
            Expr\Include_::TYPE_INCLUDE      => 'include',
            Expr\Include_::TYPE_INCLUDE_ONCE => 'include_once',
            Expr\Include_::TYPE_REQUIRE      => 'require',
            Expr\Include_::TYPE_REQUIRE_ONCE => 'require_once',
        );

        return $map[$node->type] . ' ' . $this->p($node->expr);
    }

    protected function pExpr_List(Expr\List_ $node) {
        return 'list(' . $this->pCommaSeparated($node->items) . ')';
    }

    // Other

    protected function pExpr_Error(Expr\Error $node) {
        throw new \LogicException('Cannot pretty-print AST with Error nodes');
    }

    protected function pExpr_Variable(Expr\Variable $node) {
        if ($node->name instanceof Expr) {
            return '${' . $this->p($node->name) . '}';
        } else {
            return '$' . $node->name;
        }
    }

    protected function pExpr_Array(Expr\Array_ $node) {
        $syntax = $node->getAttribute('kind',
            $this->options['shortArraySyntax'] ? Expr\Array_::KIND_SHORT : Expr\Array_::KIND_LONG);
        if ($syntax === Expr\Array_::KIND_SHORT) {
            return '[' . $this->pCommaSeparated($node->items) . ']';
        } else {
            return 'array(' . $this->pCommaSeparated($node->items) . ')';
        }
    }

    protected function pExpr_ArrayItem(Expr\ArrayItem $node) {
        return (null !== $node->key ? $this->p($node->key) . ' => ' : '')
             . ($node->byRef ? '&' : '') . $this->p($node->value);
    }

    protected function pExpr_ArrayDimFetch(Expr\ArrayDimFetch $node) {
        return $this->pDereferenceLhs($node->var)
             . '[' . (null !== $node->dim ? $this->p($node->dim) : '') . ']';
    }

    protected function pExpr_ConstFetch(Expr\ConstFetch $node) {
        return $this->p($node->name);
    }

    protected function pExpr_ClassConstFetch(Expr\ClassConstFetch $node) {
        return $this->p($node->class) . '::'
             . (is_string($node->name) ? $node->name : $this->p($node->name));
    }

    protected function pExpr_PropertyFetch(Expr\PropertyFetch $node) {
        return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name);
    }

    protected function pExpr_StaticPropertyFetch(Expr\StaticPropertyFetch $node) {
        return $this->pDereferenceLhs($node->class) . '::$' . $this->pObjectProperty($node->name);
    }

    protected function pExpr_ShellExec(Expr\ShellExec $node) {
        return '`' . $this->pEncapsList($node->parts, '`') . '`';
    }

    protected function pExpr_Closure(Expr\Closure $node) {
        return ($node->static ? 'static ' : '')
             . 'function ' . ($node->byRef ? '&' : '')
             . '(' . $this->pCommaSeparated($node->params) . ')'
             . (!empty($node->uses) ? ' use(' . $this->pCommaSeparated($node->uses) . ')': '')
             . (null !== $node->returnType ? ' : ' . $this->pType($node->returnType) : '')
             . ' {' . $this->pStmts($node->stmts) . "\n" . '}';
    }

    protected function pExpr_ClosureUse(Expr\ClosureUse $node) {
        return ($node->byRef ? '&' : '') . '$' . $node->var;
    }

    protected function pExpr_New(Expr\New_ $node) {
        if ($node->class instanceof Stmt\Class_) {
            $args = $node->args ? '(' . $this->pCommaSeparated($node->args) . ')' : '';
            return 'new ' . $this->pClassCommon($node->class, $args);
        }
        return 'new ' . $this->p($node->class) . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_Clone(Expr\Clone_ $node) {
        return 'clone ' . $this->p($node->expr);
    }

    protected function pExpr_Ternary(Expr\Ternary $node) {
        // a bit of cheating: we treat the ternary as a binary op where the ?...: part is the operator.
        // this is okay because the part between ? and : never needs parentheses.
        return $this->pInfixOp('Expr_Ternary',
            $node->cond, ' ?' . (null !== $node->if ? ' ' . $this->p($node->if) . ' ' : '') . ': ', $node->else
        );
    }

    protected function pExpr_Exit(Expr\Exit_ $node) {
        $kind = $node->getAttribute('kind', Expr\Exit_::KIND_DIE);
        return ($kind === Expr\Exit_::KIND_EXIT ? 'exit' : 'die')
             . (null !== $node->expr ? '(' . $this->p($node->expr) . ')' : '');
    }

    protected function pExpr_Yield(Expr\Yield_ $node) {
        if ($node->value === null) {
            return 'yield';
        } else {
            // this is a bit ugly, but currently there is no way to detect whether the parentheses are necessary
            return '(yield '
                 . ($node->key !== null ? $this->p($node->key) . ' => ' : '')
                 . $this->p($node->value)
                 . ')';
        }
    }

    // Declarations

    protected function pStmt_Namespace(Stmt\Namespace_ $node) {
        if ($this->canUseSemicolonNamespaces) {
            return 'namespace ' . $this->p($node->name) . ';' . "\n" . $this->pStmts($node->stmts, false);
        } else {
            return 'namespace' . (null !== $node->name ? ' ' . $this->p($node->name) : '')
                 . ' {' . $this->pStmts($node->stmts) . "\n" . '}';
        }
    }

    protected function pStmt_Use(Stmt\Use_ $node) {
        return 'use ' . $this->pUseType($node->type)
             . $this->pCommaSeparated($node->uses) . ';';
    }

    protected function pStmt_GroupUse(Stmt\GroupUse $node) {
        return 'use ' . $this->pUseType($node->type) . $this->pName($node->prefix)
             . '\{' . $this->pCommaSeparated($node->uses) . '};';
    }

    protected function pStmt_UseUse(Stmt\UseUse $node) {
        return $this->pUseType($node->type) . $this->p($node->name)
             . ($node->name->getLast() !== $node->alias ? ' as ' . $node->alias : '');
    }

    private function pUseType($type) {
        return $type === Stmt\Use_::TYPE_FUNCTION ? 'function '
            : ($type === Stmt\Use_::TYPE_CONSTANT ? 'const ' : '');
    }

    protected function pStmt_Interface(Stmt\Interface_ $node) {
        return 'interface ' . $node->name
             . (!empty($node->extends) ? ' extends ' . $this->pCommaSeparated($node->extends) : '')
             . "\n" . '{' . $this->pStmts($node->stmts) . "\n" . '}';
    }

    protected function pStmt_Class(Stmt\Class_ $node) {
        return $this->pClassCommon($node, ' ' . $node->name);
    }

    protected function pStmt_Trait(Stmt\Trait_ $node) {
        return 'trait ' . $node->name
             . "\n" . '{' . $this->pStmts($node->stmts) . "\n" . '}';
    }

    protected function pStmt_TraitUse(Stmt\TraitUse $node) {
        return 'use ' . $this->pCommaSeparated($node->traits)
             . (empty($node->adaptations)
                ? ';'
                : ' {' . $this->pStmts($node->adaptations) . "\n" . '}');
    }

    protected function pStmt_TraitUseAdaptation_Precedence(Stmt\TraitUseAdaptation\Precedence $node) {
        return $this->p($node->trait) . '::' . $node->method
             . ' insteadof ' . $this->pCommaSeparated($node->insteadof) . ';';
    }
<commit_msg>Change one function to protected<commit_after><?php

namespace PhpParser\PrettyPrinter;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\Cast;
use PhpParser\Node\Name;
use PhpParser\Node\Scalar;
use PhpParser\Node\Scalar\MagicConst;
use PhpParser\Node\Stmt;
use PhpParser\PrettyPrinterAbstract;

class Standard extends PrettyPrinterAbstract
{
    // Special nodes

    protected function pParam(Node\Param $node) {
        return ($node->type ? $this->pType($node->type) . ' ' : '')
             . ($node->byRef ? '&' : '')
             . ($node->variadic ? '...' : '')
             . '$' . $node->name
             . ($node->default ? ' = ' . $this->p($node->default) : '');
    }

    protected function pArg(Node\Arg $node) {
        return ($node->byRef ? '&' : '') . ($node->unpack ? '...' : '') . $this->p($node->value);
    }

    protected function pConst(Node\Const_ $node) {
        return $node->name . ' = ' . $this->p($node->value);
    }

    protected function pNullableType(Node\NullableType $node) {
        return '?' . $this->pType($node->type);
    }

    // Names

    protected function pName(Name $node) {
        return implode('\\', $node->parts);
    }

    protected function pName_FullyQualified(Name\FullyQualified $node) {
        return '\\' . implode('\\', $node->parts);
    }

    protected function pName_Relative(Name\Relative $node) {
        return 'namespace\\' . implode('\\', $node->parts);
    }

    // Magic Constants

    protected function pScalar_MagicConst_Class(MagicConst\Class_ $node) {
        return '__CLASS__';
    }

    protected function pScalar_MagicConst_Dir(MagicConst\Dir $node) {
        return '__DIR__';
    }

    protected function pScalar_MagicConst_File(MagicConst\File $node) {
        return '__FILE__';
    }

    protected function pScalar_MagicConst_Function(MagicConst\Function_ $node) {
        return '__FUNCTION__';
    }

    protected function pScalar_MagicConst_Line(MagicConst\Line $node) {
        return '__LINE__';
    }

    protected function pScalar_MagicConst_Method(MagicConst\Method $node) {
        return '__METHOD__';
    }

    protected function pScalar_MagicConst_Namespace(MagicConst\Namespace_ $node) {
        return '__NAMESPACE__';
    }

    protected function pScalar_MagicConst_Trait(MagicConst\Trait_ $node) {
        return '__TRAIT__';
    }

    // Scalars

    protected function pScalar_String(Scalar\String_ $node) {
        $kind = $node->getAttribute('kind', Scalar\String_::KIND_SINGLE_QUOTED);
        switch ($kind) {
            case Scalar\String_::KIND_NOWDOC:
                $label = $node->getAttribute('docLabel');
                if ($label && !$this->containsEndLabel($node->value, $label)) {
                    if ($node->value === '') {
                        return $this->pNoIndent("<<<'$label'\n$label") . $this->docStringEndToken;
                    }

                    return $this->pNoIndent("<<<'$label'\n$node->value\n$label")
                         . $this->docStringEndToken;
                }
                /* break missing intentionally */
            case Scalar\String_::KIND_SINGLE_QUOTED:
                return '\'' . $this->pNoIndent(addcslashes($node->value, '\'\\')) . '\'';
            case Scalar\String_::KIND_HEREDOC:
                $label = $node->getAttribute('docLabel');
                if ($label && !$this->containsEndLabel($node->value, $label)) {
                    if ($node->value === '') {
                        return $this->pNoIndent("<<<$label\n$label") . $this->docStringEndToken;
                    }

                    $escaped = $this->escapeString($node->value, null);
                    return $this->pNoIndent("<<<$label\n" . $escaped ."\n$label")
                         . $this->docStringEndToken;
                }
            /* break missing intentionally */
            case Scalar\String_::KIND_DOUBLE_QUOTED:
                return '"' . $this->escapeString($node->value, '"') . '"';
        }
        throw new \Exception('Invalid string kind');
    }

    protected function pScalar_Encapsed(Scalar\Encapsed $node) {
        if ($node->getAttribute('kind') === Scalar\String_::KIND_HEREDOC) {
            $label = $node->getAttribute('docLabel');
            if ($label && !$this->encapsedContainsEndLabel($node->parts, $label)) {
                if (count($node->parts) === 1
                    && $node->parts[0] instanceof Scalar\EncapsedStringPart
                    && $node->parts[0]->value === ''
                ) {
                    return $this->pNoIndent("<<<$label\n$label") . $this->docStringEndToken;
                }

                return $this->pNoIndent(
                    "<<<$label\n" . $this->pEncapsList($node->parts, null) . "\n$label"
                ) . $this->docStringEndToken;
            }
        }
        return '"' . $this->pEncapsList($node->parts, '"') . '"';
    }

    protected function pScalar_LNumber(Scalar\LNumber $node) {
        if ($node->value === -\PHP_INT_MAX-1) {
            // PHP_INT_MIN cannot be represented as a literal,
            // because the sign is not part of the literal
            return '(-' . \PHP_INT_MAX . '-1)';
        }

        $kind = $node->getAttribute('kind', Scalar\LNumber::KIND_DEC);
        if (Scalar\LNumber::KIND_DEC === $kind) {
            return (string) $node->value;
        }

        $sign = $node->value < 0 ? '-' : '';
        $str = (string) $node->value;
        switch ($kind) {
            case Scalar\LNumber::KIND_BIN:
                return $sign . '0b' . base_convert($str, 10, 2);
            case Scalar\LNumber::KIND_OCT:
                return $sign . '0' . base_convert($str, 10, 8);
            case Scalar\LNumber::KIND_HEX:
                return $sign . '0x' . base_convert($str, 10, 16);
        }
        throw new \Exception('Invalid number kind');
    }

    protected function pScalar_DNumber(Scalar\DNumber $node) {
        if (!is_finite($node->value)) {
            if ($node->value === \INF) {
                return '\INF';
            } elseif ($node->value === -\INF) {
                return '-\INF';
            } else {
                return '\NAN';
            }
        }

        // Try to find a short full-precision representation
        $stringValue = sprintf('%.16G', $node->value);
        if ($node->value !== (double) $stringValue) {
            $stringValue = sprintf('%.17G', $node->value);
        }

        // ensure that number is really printed as float
        return preg_match('/^-?[0-9]+$/', $stringValue) ? $stringValue . '.0' : $stringValue;
    }

    // Assignments

    protected function pExpr_Assign(Expr\Assign $node) {
        return $this->pInfixOp('Expr_Assign', $node->var, ' = ', $node->expr);
    }

    protected function pExpr_AssignRef(Expr\AssignRef $node) {
        return $this->pInfixOp('Expr_AssignRef', $node->var, ' =& ', $node->expr);
    }

    protected function pExpr_AssignOp_Plus(AssignOp\Plus $node) {
        return $this->pInfixOp('Expr_AssignOp_Plus', $node->var, ' += ', $node->expr);
    }

    protected function pExpr_AssignOp_Minus(AssignOp\Minus $node) {
        return $this->pInfixOp('Expr_AssignOp_Minus', $node->var, ' -= ', $node->expr);
    }

    protected function pExpr_AssignOp_Mul(AssignOp\Mul $node) {
        return $this->pInfixOp('Expr_AssignOp_Mul', $node->var, ' *= ', $node->expr);
    }

    protected function pExpr_AssignOp_Div(AssignOp\Div $node) {
        return $this->pInfixOp('Expr_AssignOp_Div', $node->var, ' /= ', $node->expr);
    }

    protected function pExpr_AssignOp_Concat(AssignOp\Concat $node) {
        return $this->pInfixOp('Expr_AssignOp_Concat', $node->var, ' .= ', $node->expr);
    }

    protected function pExpr_AssignOp_Mod(AssignOp\Mod $node) {
        return $this->pInfixOp('Expr_AssignOp_Mod', $node->var, ' %= ', $node->expr);
    }

    protected function pExpr_AssignOp_BitwiseAnd(AssignOp\BitwiseAnd $node) {
        return $this->pInfixOp('Expr_AssignOp_BitwiseAnd', $node->var, ' &= ', $node->expr);
    }

    protected function pExpr_AssignOp_BitwiseOr(AssignOp\BitwiseOr $node) {
        return $this->pInfixOp('Expr_AssignOp_BitwiseOr', $node->var, ' |= ', $node->expr);
    }

    protected function pExpr_AssignOp_BitwiseXor(AssignOp\BitwiseXor $node) {
        return $this->pInfixOp('Expr_AssignOp_BitwiseXor', $node->var, ' ^= ', $node->expr);
    }

    protected function pExpr_AssignOp_ShiftLeft(AssignOp\ShiftLeft $node) {
        return $this->pInfixOp('Expr_AssignOp_ShiftLeft', $node->var, ' <<= ', $node->expr);
    }

    protected function pExpr_AssignOp_ShiftRight(AssignOp\ShiftRight $node) {
        return $this->pInfixOp('Expr_AssignOp_ShiftRight', $node->var, ' >>= ', $node->expr);
    }

    protected function pExpr_AssignOp_Pow(AssignOp\Pow $node) {
        return $this->pInfixOp('Expr_AssignOp_Pow', $node->var, ' **= ', $node->expr);
    }

    // Binary expressions

    protected function pExpr_BinaryOp_Plus(BinaryOp\Plus $node) {
        return $this->pInfixOp('Expr_BinaryOp_Plus', $node->left, ' + ', $node->right);
    }

    protected function pExpr_BinaryOp_Minus(BinaryOp\Minus $node) {
        return $this->pInfixOp('Expr_BinaryOp_Minus', $node->left, ' - ', $node->right);
    }

    protected function pExpr_BinaryOp_Mul(BinaryOp\Mul $node) {
        return $this->pInfixOp('Expr_BinaryOp_Mul', $node->left, ' * ', $node->right);
    }

    protected function pExpr_BinaryOp_Div(BinaryOp\Div $node) {
        return $this->pInfixOp('Expr_BinaryOp_Div', $node->left, ' / ', $node->right);
    }

    protected function pExpr_BinaryOp_Concat(BinaryOp\Concat $node) {
        return $this->pInfixOp('Expr_BinaryOp_Concat', $node->left, ' . ', $node->right);
    }

    protected function pExpr_BinaryOp_Mod(BinaryOp\Mod $node) {
        return $this->pInfixOp('Expr_BinaryOp_Mod', $node->left, ' % ', $node->right);
    }

    protected function pExpr_BinaryOp_BooleanAnd(BinaryOp\BooleanAnd $node) {
        return $this->pInfixOp('Expr_BinaryOp_BooleanAnd', $node->left, ' && ', $node->right);
    }

    protected function pExpr_BinaryOp_BooleanOr(BinaryOp\BooleanOr $node) {
        return $this->pInfixOp('Expr_BinaryOp_BooleanOr', $node->left, ' || ', $node->right);
    }

    protected function pExpr_BinaryOp_BitwiseAnd(BinaryOp\BitwiseAnd $node) {
        return $this->pInfixOp('Expr_BinaryOp_BitwiseAnd', $node->left, ' & ', $node->right);
    }

    protected function pExpr_BinaryOp_BitwiseOr(BinaryOp\BitwiseOr $node) {
        return $this->pInfixOp('Expr_BinaryOp_BitwiseOr', $node->left, ' | ', $node->right);
    }

    protected function pExpr_BinaryOp_BitwiseXor(BinaryOp\BitwiseXor $node) {
        return $this->pInfixOp('Expr_BinaryOp_BitwiseXor', $node->left, ' ^ ', $node->right);
    }

    protected function pExpr_BinaryOp_ShiftLeft(BinaryOp\ShiftLeft $node) {
        return $this->pInfixOp('Expr_BinaryOp_ShiftLeft', $node->left, ' << ', $node->right);
    }

    protected function pExpr_BinaryOp_ShiftRight(BinaryOp\ShiftRight $node) {
        return $this->pInfixOp('Expr_BinaryOp_ShiftRight', $node->left, ' >> ', $node->right);
    }

    protected function pExpr_BinaryOp_Pow(BinaryOp\Pow $node) {
        return $this->pInfixOp('Expr_BinaryOp_Pow', $node->left, ' ** ', $node->right);
    }

    protected function pExpr_BinaryOp_LogicalAnd(BinaryOp\LogicalAnd $node) {
        return $this->pInfixOp('Expr_BinaryOp_LogicalAnd', $node->left, ' and ', $node->right);
    }

    protected function pExpr_BinaryOp_LogicalOr(BinaryOp\LogicalOr $node) {
        return $this->pInfixOp('Expr_BinaryOp_LogicalOr', $node->left, ' or ', $node->right);
    }

    protected function pExpr_BinaryOp_LogicalXor(BinaryOp\LogicalXor $node) {
        return $this->pInfixOp('Expr_BinaryOp_LogicalXor', $node->left, ' xor ', $node->right);
    }

    protected function pExpr_BinaryOp_Equal(BinaryOp\Equal $node) {
        return $this->pInfixOp('Expr_BinaryOp_Equal', $node->left, ' == ', $node->right);
    }

    protected function pExpr_BinaryOp_NotEqual(BinaryOp\NotEqual $node) {
        return $this->pInfixOp('Expr_BinaryOp_NotEqual', $node->left, ' != ', $node->right);
    }

    protected function pExpr_BinaryOp_Identical(BinaryOp\Identical $node) {
        return $this->pInfixOp('Expr_BinaryOp_Identical', $node->left, ' === ', $node->right);
    }

    protected function pExpr_BinaryOp_NotIdentical(BinaryOp\NotIdentical $node) {
        return $this->pInfixOp('Expr_BinaryOp_NotIdentical', $node->left, ' !== ', $node->right);
    }

    protected function pExpr_BinaryOp_Spaceship(BinaryOp\Spaceship $node) {
        return $this->pInfixOp('Expr_BinaryOp_Spaceship', $node->left, ' <=> ', $node->right);
    }

    protected function pExpr_BinaryOp_Greater(BinaryOp\Greater $node) {
        return $this->pInfixOp('Expr_BinaryOp_Greater', $node->left, ' > ', $node->right);
    }

    protected function pExpr_BinaryOp_GreaterOrEqual(BinaryOp\GreaterOrEqual $node) {
        return $this->pInfixOp('Expr_BinaryOp_GreaterOrEqual', $node->left, ' >= ', $node->right);
    }

    protected function pExpr_BinaryOp_Smaller(BinaryOp\Smaller $node) {
        return $this->pInfixOp('Expr_BinaryOp_Smaller', $node->left, ' < ', $node->right);
    }

    protected function pExpr_BinaryOp_SmallerOrEqual(BinaryOp\SmallerOrEqual $node) {
        return $this->pInfixOp('Expr_BinaryOp_SmallerOrEqual', $node->left, ' <= ', $node->right);
    }

    protected function pExpr_BinaryOp_Coalesce(BinaryOp\Coalesce $node) {
        return $this->pInfixOp('Expr_BinaryOp_Coalesce', $node->left, ' ?? ', $node->right);
    }

    protected function pExpr_Instanceof(Expr\Instanceof_ $node) {
        return $this->pInfixOp('Expr_Instanceof', $node->expr, ' instanceof ', $node->class);
    }

    // Unary expressions

    protected function pExpr_BooleanNot(Expr\BooleanNot $node) {
        return $this->pPrefixOp('Expr_BooleanNot', '!', $node->expr);
    }

    protected function pExpr_BitwiseNot(Expr\BitwiseNot $node) {
        return $this->pPrefixOp('Expr_BitwiseNot', '~', $node->expr);
    }

    protected function pExpr_UnaryMinus(Expr\UnaryMinus $node) {
        return $this->pPrefixOp('Expr_UnaryMinus', '-', $node->expr);
    }

    protected function pExpr_UnaryPlus(Expr\UnaryPlus $node) {
        return $this->pPrefixOp('Expr_UnaryPlus', '+', $node->expr);
    }

    protected function pExpr_PreInc(Expr\PreInc $node) {
        return $this->pPrefixOp('Expr_PreInc', '++', $node->var);
    }

    protected function pExpr_PreDec(Expr\PreDec $node) {
        return $this->pPrefixOp('Expr_PreDec', '--', $node->var);
    }

    protected function pExpr_PostInc(Expr\PostInc $node) {
        return $this->pPostfixOp('Expr_PostInc', $node->var, '++');
    }

    protected function pExpr_PostDec(Expr\PostDec $node) {
        return $this->pPostfixOp('Expr_PostDec', $node->var, '--');
    }

    protected function pExpr_ErrorSuppress(Expr\ErrorSuppress $node) {
        return $this->pPrefixOp('Expr_ErrorSuppress', '@', $node->expr);
    }

    protected function pExpr_YieldFrom(Expr\YieldFrom $node) {
        return $this->pPrefixOp('Expr_YieldFrom', 'yield from ', $node->expr);
    }

    protected function pExpr_Print(Expr\Print_ $node) {
        return $this->pPrefixOp('Expr_Print', 'print ', $node->expr);
    }

    // Casts

    protected function pExpr_Cast_Int(Cast\Int_ $node) {
        return $this->pPrefixOp('Expr_Cast_Int', '(int) ', $node->expr);
    }

    protected function pExpr_Cast_Double(Cast\Double $node) {
        return $this->pPrefixOp('Expr_Cast_Double', '(double) ', $node->expr);
    }

    protected function pExpr_Cast_String(Cast\String_ $node) {
        return $this->pPrefixOp('Expr_Cast_String', '(string) ', $node->expr);
    }

    protected function pExpr_Cast_Array(Cast\Array_ $node) {
        return $this->pPrefixOp('Expr_Cast_Array', '(array) ', $node->expr);
    }

    protected function pExpr_Cast_Object(Cast\Object_ $node) {
        return $this->pPrefixOp('Expr_Cast_Object', '(object) ', $node->expr);
    }

    protected function pExpr_Cast_Bool(Cast\Bool_ $node) {
        return $this->pPrefixOp('Expr_Cast_Bool', '(bool) ', $node->expr);
    }

    protected function pExpr_Cast_Unset(Cast\Unset_ $node) {
        return $this->pPrefixOp('Expr_Cast_Unset', '(unset) ', $node->expr);
    }

    // Function calls and similar constructs

    protected function pExpr_FuncCall(Expr\FuncCall $node) {
        return $this->pCallLhs($node->name)
             . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_MethodCall(Expr\MethodCall $node) {
        return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name)
             . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_StaticCall(Expr\StaticCall $node) {
        return $this->pDereferenceLhs($node->class) . '::'
             . ($node->name instanceof Expr
                ? ($node->name instanceof Expr\Variable
                   ? $this->p($node->name)
                   : '{' . $this->p($node->name) . '}')
                : $node->name)
             . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_Empty(Expr\Empty_ $node) {
        return 'empty(' . $this->p($node->expr) . ')';
    }

    protected function pExpr_Isset(Expr\Isset_ $node) {
        return 'isset(' . $this->pCommaSeparated($node->vars) . ')';
    }

    protected function pExpr_Eval(Expr\Eval_ $node) {
        return 'eval(' . $this->p($node->expr) . ')';
    }

    protected function pExpr_Include(Expr\Include_ $node) {
        static $map = array(
            Expr\Include_::TYPE_INCLUDE      => 'include',
            Expr\Include_::TYPE_INCLUDE_ONCE => 'include_once',
            Expr\Include_::TYPE_REQUIRE      => 'require',
            Expr\Include_::TYPE_REQUIRE_ONCE => 'require_once',
        );

        return $map[$node->type] . ' ' . $this->p($node->expr);
    }

    protected function pExpr_List(Expr\List_ $node) {
        return 'list(' . $this->pCommaSeparated($node->items) . ')';
    }

    // Other

    protected function pExpr_Error(Expr\Error $node) {
        throw new \LogicException('Cannot pretty-print AST with Error nodes');
    }

    protected function pExpr_Variable(Expr\Variable $node) {
        if ($node->name instanceof Expr) {
            return '${' . $this->p($node->name) . '}';
        } else {
            return '$' . $node->name;
        }
    }

    protected function pExpr_Array(Expr\Array_ $node) {
        $syntax = $node->getAttribute('kind',
            $this->options['shortArraySyntax'] ? Expr\Array_::KIND_SHORT : Expr\Array_::KIND_LONG);
        if ($syntax === Expr\Array_::KIND_SHORT) {
            return '[' . $this->pCommaSeparated($node->items) . ']';
        } else {
            return 'array(' . $this->pCommaSeparated($node->items) . ')';
        }
    }

    protected function pExpr_ArrayItem(Expr\ArrayItem $node) {
        return (null !== $node->key ? $this->p($node->key) . ' => ' : '')
             . ($node->byRef ? '&' : '') . $this->p($node->value);
    }

    protected function pExpr_ArrayDimFetch(Expr\ArrayDimFetch $node) {
        return $this->pDereferenceLhs($node->var)
             . '[' . (null !== $node->dim ? $this->p($node->dim) : '') . ']';
    }

    protected function pExpr_ConstFetch(Expr\ConstFetch $node) {
        return $this->p($node->name);
    }

    protected function pExpr_ClassConstFetch(Expr\ClassConstFetch $node) {
        return $this->p($node->class) . '::'
             . (is_string($node->name) ? $node->name : $this->p($node->name));
    }

    protected function pExpr_PropertyFetch(Expr\PropertyFetch $node) {
        return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name);
    }

    protected function pExpr_StaticPropertyFetch(Expr\StaticPropertyFetch $node) {
        return $this->pDereferenceLhs($node->class) . '::$' . $this->pObjectProperty($node->name);
    }

    protected function pExpr_ShellExec(Expr\ShellExec $node) {
        return '`' . $this->pEncapsList($node->parts, '`') . '`';
    }

    protected function pExpr_Closure(Expr\Closure $node) {
        return ($node->static ? 'static ' : '')
             . 'function ' . ($node->byRef ? '&' : '')
             . '(' . $this->pCommaSeparated($node->params) . ')'
             . (!empty($node->uses) ? ' use(' . $this->pCommaSeparated($node->uses) . ')': '')
             . (null !== $node->returnType ? ' : ' . $this->pType($node->returnType) : '')
             . ' {' . $this->pStmts($node->stmts) . "\n" . '}';
    }

    protected function pExpr_ClosureUse(Expr\ClosureUse $node) {
        return ($node->byRef ? '&' : '') . '$' . $node->var;
    }

    protected function pExpr_New(Expr\New_ $node) {
        if ($node->class instanceof Stmt\Class_) {
            $args = $node->args ? '(' . $this->pCommaSeparated($node->args) . ')' : '';
            return 'new ' . $this->pClassCommon($node->class, $args);
        }
        return 'new ' . $this->p($node->class) . '(' . $this->pCommaSeparated($node->args) . ')';
    }

    protected function pExpr_Clone(Expr\Clone_ $node) {
        return 'clone ' . $this->p($node->expr);
    }

    protected function pExpr_Ternary(Expr\Ternary $node) {
        // a bit of cheating: we treat the ternary as a binary op where the ?...: part is the operator.
        // this is okay because the part between ? and : never needs parentheses.
        return $this->pInfixOp('Expr_Ternary',
            $node->cond, ' ?' . (null !== $node->if ? ' ' . $this->p($node->if) . ' ' : '') . ': ', $node->else
        );
    }

    protected function pExpr_Exit(Expr\Exit_ $node) {
        $kind = $node->getAttribute('kind', Expr\Exit_::KIND_DIE);
        return ($kind === Expr\Exit_::KIND_EXIT ? 'exit' : 'die')
             . (null !== $node->expr ? '(' . $this->p($node->expr) . ')' : '');
    }

    protected function pExpr_Yield(Expr\Yield_ $node) {
        if ($node->value === null) {
            return 'yield';
        } else {
            // this is a bit ugly, but currently there is no way to detect whether the parentheses are necessary
            return '(yield '
                 . ($node->key !== null ? $this->p($node->key) . ' => ' : '')
                 . $this->p($node->value)
                 . ')';
        }
    }

    // Declarations

    protected function pStmt_Namespace(Stmt\Namespace_ $node) {
        if ($this->canUseSemicolonNamespaces) {
            return 'namespace ' . $this->p($node->name) . ';' . "\n" . $this->pStmts($node->stmts, false);
        } else {
            return 'namespace' . (null !== $node->name ? ' ' . $this->p($node->name) : '')
                 . ' {' . $this->pStmts($node->stmts) . "\n" . '}';
        }
    }

    protected function pStmt_Use(Stmt\Use_ $node) {
        return 'use ' . $this->pUseType($node->type)
             . $this->pCommaSeparated($node->uses) . ';';
    }

    protected function pStmt_GroupUse(Stmt\GroupUse $node) {
        return 'use ' . $this->pUseType($node->type) . $this->pName($node->prefix)
             . '\{' . $this->pCommaSeparated($node->uses) . '};';
    }

    protected function pStmt_UseUse(Stmt\UseUse $node) {
        return $this->pUseType($node->type) . $this->p($node->name)
             . ($node->name->getLast() !== $node->alias ? ' as ' . $node->alias : '');
    }

    protected function pUseType($type) {
        return $type === Stmt\Use_::TYPE_FUNCTION ? 'function '
            : ($type === Stmt\Use_::TYPE_CONSTANT ? 'const ' : '');
    }

    protected function pStmt_Interface(Stmt\Interface_ $node) {
        return 'interface ' . $node->name
             . (!empty($node->extends) ? ' extends ' . $this->pCommaSeparated($node->extends) : '')
             . "\n" . '{' . $this->pStmts($node->stmts) . "\n" . '}';
    }

    protected function pStmt_Class(Stmt\Class_ $node) {
        return $this->pClassCommon($node, ' ' . $node->name);
    }

    protected function pStmt_Trait(Stmt\Trait_ $node) {
        return 'trait ' . $node->name
             . "\n" . '{' . $this->pStmts($node->stmts) . "\n" . '}';
    }

    protected function pStmt_TraitUse(Stmt\TraitUse $node) {
        return 'use ' . $this->pCommaSeparated($node->traits)
             . (empty($node->adaptations)
                ? ';'
                : ' {' . $this->pStmts($node->adaptations) . "\n" . '}');
    }

    protected function pStmt_TraitUseAdaptation_Precedence(Stmt\TraitUseAdaptation\Precedence $node) {
        return $this->p($node->trait) . '::' . $node->method
             . ' insteadof ' . $this->pCommaSeparated($node->insteadof) . ';';
    }

{'fraction_non_alphanumeric': 0.16891497959429846, 'fraction_numerical': 0.001045415251000181, 'mean_word_length': 2.6052765093860986, 'pattern_counts': {'":': 0, '<': 57, '<?xml version=': 0, '>': 825, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3617269', 'n_tokens_mistral': 16393, 'n_tokens_neox': 15920, 'n_words': 2536}