mirror of
https://github.com/danog/PHP-Parser.git
synced 2024-12-12 09:29:47 +01:00
6526ea2497
This needs to go through something like Encapsed or ShellExec to determine quotation type. Explicitly throw an exception to avoid getting an undefined method error.
970 lines
36 KiB
PHP
970 lines
36 KiB
PHP
<?php declare(strict_types=1);
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namespace PhpParser\PrettyPrinter;
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use PhpParser\Node;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\AssignOp;
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use PhpParser\Node\Expr\BinaryOp;
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use PhpParser\Node\Expr\Cast;
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use PhpParser\Node\Name;
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use PhpParser\Node\Scalar;
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use PhpParser\Node\Scalar\MagicConst;
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use PhpParser\Node\Stmt;
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use PhpParser\PrettyPrinterAbstract;
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class Standard extends PrettyPrinterAbstract
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{
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// Special nodes
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protected function pParam(Node\Param $node) {
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return ($node->type ? $this->p($node->type) . ' ' : '')
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. ($node->byRef ? '&' : '')
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. ($node->variadic ? '...' : '')
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. $this->p($node->var)
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. ($node->default ? ' = ' . $this->p($node->default) : '');
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}
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protected function pArg(Node\Arg $node) {
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return ($node->byRef ? '&' : '') . ($node->unpack ? '...' : '') . $this->p($node->value);
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}
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protected function pConst(Node\Const_ $node) {
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return $node->name . ' = ' . $this->p($node->value);
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}
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protected function pNullableType(Node\NullableType $node) {
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return '?' . $this->p($node->type);
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}
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protected function pIdentifier(Node\Identifier $node) {
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return $node->name;
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}
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protected function pVarLikeIdentifier(Node\VarLikeIdentifier $node) {
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return '$' . $node->name;
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}
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// Names
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protected function pName(Name $node) {
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return implode('\\', $node->parts);
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}
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protected function pName_FullyQualified(Name\FullyQualified $node) {
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return '\\' . implode('\\', $node->parts);
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}
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protected function pName_Relative(Name\Relative $node) {
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return 'namespace\\' . implode('\\', $node->parts);
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}
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// Magic Constants
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protected function pScalar_MagicConst_Class(MagicConst\Class_ $node) {
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return '__CLASS__';
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}
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protected function pScalar_MagicConst_Dir(MagicConst\Dir $node) {
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return '__DIR__';
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}
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protected function pScalar_MagicConst_File(MagicConst\File $node) {
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return '__FILE__';
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}
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protected function pScalar_MagicConst_Function(MagicConst\Function_ $node) {
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return '__FUNCTION__';
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}
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protected function pScalar_MagicConst_Line(MagicConst\Line $node) {
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return '__LINE__';
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}
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protected function pScalar_MagicConst_Method(MagicConst\Method $node) {
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return '__METHOD__';
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}
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protected function pScalar_MagicConst_Namespace(MagicConst\Namespace_ $node) {
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return '__NAMESPACE__';
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}
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protected function pScalar_MagicConst_Trait(MagicConst\Trait_ $node) {
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return '__TRAIT__';
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}
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// Scalars
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protected function pScalar_String(Scalar\String_ $node) {
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$kind = $node->getAttribute('kind', Scalar\String_::KIND_SINGLE_QUOTED);
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switch ($kind) {
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case Scalar\String_::KIND_NOWDOC:
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$label = $node->getAttribute('docLabel');
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if ($label && !$this->containsEndLabel($node->value, $label)) {
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if ($node->value === '') {
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return "<<<'$label'\n$label" . $this->docStringEndToken;
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}
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return "<<<'$label'\n$node->value\n$label"
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. $this->docStringEndToken;
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}
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/* break missing intentionally */
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case Scalar\String_::KIND_SINGLE_QUOTED:
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return $this->pSingleQuotedString($node->value);
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case Scalar\String_::KIND_HEREDOC:
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$label = $node->getAttribute('docLabel');
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if ($label && !$this->containsEndLabel($node->value, $label)) {
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if ($node->value === '') {
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return "<<<$label\n$label" . $this->docStringEndToken;
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}
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$escaped = $this->escapeString($node->value, null);
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return "<<<$label\n" . $escaped . "\n$label"
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. $this->docStringEndToken;
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}
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/* break missing intentionally */
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case Scalar\String_::KIND_DOUBLE_QUOTED:
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return '"' . $this->escapeString($node->value, '"') . '"';
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}
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throw new \Exception('Invalid string kind');
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}
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protected function pScalar_Encapsed(Scalar\Encapsed $node) {
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if ($node->getAttribute('kind') === Scalar\String_::KIND_HEREDOC) {
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$label = $node->getAttribute('docLabel');
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if ($label && !$this->encapsedContainsEndLabel($node->parts, $label)) {
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if (count($node->parts) === 1
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&& $node->parts[0] instanceof Scalar\EncapsedStringPart
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&& $node->parts[0]->value === ''
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) {
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return "<<<$label\n$label" . $this->docStringEndToken;
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}
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return "<<<$label\n" . $this->pEncapsList($node->parts, null) . "\n$label"
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. $this->docStringEndToken;
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}
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}
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return '"' . $this->pEncapsList($node->parts, '"') . '"';
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}
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protected function pScalar_LNumber(Scalar\LNumber $node) {
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if ($node->value === -\PHP_INT_MAX-1) {
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// PHP_INT_MIN cannot be represented as a literal,
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// because the sign is not part of the literal
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return '(-' . \PHP_INT_MAX . '-1)';
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}
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$kind = $node->getAttribute('kind', Scalar\LNumber::KIND_DEC);
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if (Scalar\LNumber::KIND_DEC === $kind) {
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return (string) $node->value;
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}
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$sign = $node->value < 0 ? '-' : '';
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$str = (string) $node->value;
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switch ($kind) {
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case Scalar\LNumber::KIND_BIN:
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return $sign . '0b' . base_convert($str, 10, 2);
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case Scalar\LNumber::KIND_OCT:
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return $sign . '0' . base_convert($str, 10, 8);
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case Scalar\LNumber::KIND_HEX:
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return $sign . '0x' . base_convert($str, 10, 16);
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}
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throw new \Exception('Invalid number kind');
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}
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protected function pScalar_DNumber(Scalar\DNumber $node) {
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if (!is_finite($node->value)) {
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if ($node->value === \INF) {
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return '\INF';
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} elseif ($node->value === -\INF) {
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return '-\INF';
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} else {
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return '\NAN';
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}
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}
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// Try to find a short full-precision representation
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$stringValue = sprintf('%.16G', $node->value);
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if ($node->value !== (double) $stringValue) {
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$stringValue = sprintf('%.17G', $node->value);
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}
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// %G is locale dependent and there exists no locale-independent alternative. We don't want
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// mess with switching locales here, so let's assume that a comma is the only non-standard
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// decimal separator we may encounter...
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$stringValue = str_replace(',', '.', $stringValue);
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// ensure that number is really printed as float
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return preg_match('/^-?[0-9]+$/', $stringValue) ? $stringValue . '.0' : $stringValue;
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}
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protected function pScalar_EncapsedStringPart(Scalar\EncapsedStringPart $node) {
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throw new \LogicException('Cannot directly print EncapsedStringPart');
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}
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// Assignments
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protected function pExpr_Assign(Expr\Assign $node) {
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return $this->pInfixOp(Expr\Assign::class, $node->var, ' = ', $node->expr);
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}
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protected function pExpr_AssignRef(Expr\AssignRef $node) {
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return $this->pInfixOp(Expr\AssignRef::class, $node->var, ' =& ', $node->expr);
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}
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protected function pExpr_AssignOp_Plus(AssignOp\Plus $node) {
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return $this->pInfixOp(AssignOp\Plus::class, $node->var, ' += ', $node->expr);
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}
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protected function pExpr_AssignOp_Minus(AssignOp\Minus $node) {
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return $this->pInfixOp(AssignOp\Minus::class, $node->var, ' -= ', $node->expr);
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}
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protected function pExpr_AssignOp_Mul(AssignOp\Mul $node) {
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return $this->pInfixOp(AssignOp\Mul::class, $node->var, ' *= ', $node->expr);
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}
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protected function pExpr_AssignOp_Div(AssignOp\Div $node) {
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return $this->pInfixOp(AssignOp\Div::class, $node->var, ' /= ', $node->expr);
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}
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protected function pExpr_AssignOp_Concat(AssignOp\Concat $node) {
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return $this->pInfixOp(AssignOp\Concat::class, $node->var, ' .= ', $node->expr);
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}
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protected function pExpr_AssignOp_Mod(AssignOp\Mod $node) {
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return $this->pInfixOp(AssignOp\Mod::class, $node->var, ' %= ', $node->expr);
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}
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protected function pExpr_AssignOp_BitwiseAnd(AssignOp\BitwiseAnd $node) {
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return $this->pInfixOp(AssignOp\BitwiseAnd::class, $node->var, ' &= ', $node->expr);
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}
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protected function pExpr_AssignOp_BitwiseOr(AssignOp\BitwiseOr $node) {
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return $this->pInfixOp(AssignOp\BitwiseOr::class, $node->var, ' |= ', $node->expr);
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}
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protected function pExpr_AssignOp_BitwiseXor(AssignOp\BitwiseXor $node) {
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return $this->pInfixOp(AssignOp\BitwiseXor::class, $node->var, ' ^= ', $node->expr);
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}
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protected function pExpr_AssignOp_ShiftLeft(AssignOp\ShiftLeft $node) {
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return $this->pInfixOp(AssignOp\ShiftLeft::class, $node->var, ' <<= ', $node->expr);
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}
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protected function pExpr_AssignOp_ShiftRight(AssignOp\ShiftRight $node) {
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return $this->pInfixOp(AssignOp\ShiftRight::class, $node->var, ' >>= ', $node->expr);
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}
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protected function pExpr_AssignOp_Pow(AssignOp\Pow $node) {
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return $this->pInfixOp(AssignOp\Pow::class, $node->var, ' **= ', $node->expr);
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}
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// Binary expressions
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protected function pExpr_BinaryOp_Plus(BinaryOp\Plus $node) {
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return $this->pInfixOp(BinaryOp\Plus::class, $node->left, ' + ', $node->right);
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}
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protected function pExpr_BinaryOp_Minus(BinaryOp\Minus $node) {
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return $this->pInfixOp(BinaryOp\Minus::class, $node->left, ' - ', $node->right);
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}
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protected function pExpr_BinaryOp_Mul(BinaryOp\Mul $node) {
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return $this->pInfixOp(BinaryOp\Mul::class, $node->left, ' * ', $node->right);
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}
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protected function pExpr_BinaryOp_Div(BinaryOp\Div $node) {
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return $this->pInfixOp(BinaryOp\Div::class, $node->left, ' / ', $node->right);
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}
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protected function pExpr_BinaryOp_Concat(BinaryOp\Concat $node) {
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return $this->pInfixOp(BinaryOp\Concat::class, $node->left, ' . ', $node->right);
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}
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protected function pExpr_BinaryOp_Mod(BinaryOp\Mod $node) {
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return $this->pInfixOp(BinaryOp\Mod::class, $node->left, ' % ', $node->right);
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}
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protected function pExpr_BinaryOp_BooleanAnd(BinaryOp\BooleanAnd $node) {
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return $this->pInfixOp(BinaryOp\BooleanAnd::class, $node->left, ' && ', $node->right);
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}
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protected function pExpr_BinaryOp_BooleanOr(BinaryOp\BooleanOr $node) {
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return $this->pInfixOp(BinaryOp\BooleanOr::class, $node->left, ' || ', $node->right);
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}
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protected function pExpr_BinaryOp_BitwiseAnd(BinaryOp\BitwiseAnd $node) {
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return $this->pInfixOp(BinaryOp\BitwiseAnd::class, $node->left, ' & ', $node->right);
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}
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protected function pExpr_BinaryOp_BitwiseOr(BinaryOp\BitwiseOr $node) {
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return $this->pInfixOp(BinaryOp\BitwiseOr::class, $node->left, ' | ', $node->right);
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}
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protected function pExpr_BinaryOp_BitwiseXor(BinaryOp\BitwiseXor $node) {
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return $this->pInfixOp(BinaryOp\BitwiseXor::class, $node->left, ' ^ ', $node->right);
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}
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protected function pExpr_BinaryOp_ShiftLeft(BinaryOp\ShiftLeft $node) {
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return $this->pInfixOp(BinaryOp\ShiftLeft::class, $node->left, ' << ', $node->right);
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}
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protected function pExpr_BinaryOp_ShiftRight(BinaryOp\ShiftRight $node) {
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return $this->pInfixOp(BinaryOp\ShiftRight::class, $node->left, ' >> ', $node->right);
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}
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protected function pExpr_BinaryOp_Pow(BinaryOp\Pow $node) {
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return $this->pInfixOp(BinaryOp\Pow::class, $node->left, ' ** ', $node->right);
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}
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protected function pExpr_BinaryOp_LogicalAnd(BinaryOp\LogicalAnd $node) {
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return $this->pInfixOp(BinaryOp\LogicalAnd::class, $node->left, ' and ', $node->right);
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}
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protected function pExpr_BinaryOp_LogicalOr(BinaryOp\LogicalOr $node) {
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return $this->pInfixOp(BinaryOp\LogicalOr::class, $node->left, ' or ', $node->right);
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}
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protected function pExpr_BinaryOp_LogicalXor(BinaryOp\LogicalXor $node) {
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return $this->pInfixOp(BinaryOp\LogicalXor::class, $node->left, ' xor ', $node->right);
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}
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protected function pExpr_BinaryOp_Equal(BinaryOp\Equal $node) {
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return $this->pInfixOp(BinaryOp\Equal::class, $node->left, ' == ', $node->right);
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}
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protected function pExpr_BinaryOp_NotEqual(BinaryOp\NotEqual $node) {
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return $this->pInfixOp(BinaryOp\NotEqual::class, $node->left, ' != ', $node->right);
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}
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protected function pExpr_BinaryOp_Identical(BinaryOp\Identical $node) {
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return $this->pInfixOp(BinaryOp\Identical::class, $node->left, ' === ', $node->right);
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}
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protected function pExpr_BinaryOp_NotIdentical(BinaryOp\NotIdentical $node) {
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return $this->pInfixOp(BinaryOp\NotIdentical::class, $node->left, ' !== ', $node->right);
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}
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protected function pExpr_BinaryOp_Spaceship(BinaryOp\Spaceship $node) {
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return $this->pInfixOp(BinaryOp\Spaceship::class, $node->left, ' <=> ', $node->right);
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}
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protected function pExpr_BinaryOp_Greater(BinaryOp\Greater $node) {
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return $this->pInfixOp(BinaryOp\Greater::class, $node->left, ' > ', $node->right);
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}
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protected function pExpr_BinaryOp_GreaterOrEqual(BinaryOp\GreaterOrEqual $node) {
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return $this->pInfixOp(BinaryOp\GreaterOrEqual::class, $node->left, ' >= ', $node->right);
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}
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protected function pExpr_BinaryOp_Smaller(BinaryOp\Smaller $node) {
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return $this->pInfixOp(BinaryOp\Smaller::class, $node->left, ' < ', $node->right);
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}
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protected function pExpr_BinaryOp_SmallerOrEqual(BinaryOp\SmallerOrEqual $node) {
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return $this->pInfixOp(BinaryOp\SmallerOrEqual::class, $node->left, ' <= ', $node->right);
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}
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protected function pExpr_BinaryOp_Coalesce(BinaryOp\Coalesce $node) {
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return $this->pInfixOp(BinaryOp\Coalesce::class, $node->left, ' ?? ', $node->right);
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}
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protected function pExpr_Instanceof(Expr\Instanceof_ $node) {
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return $this->pInfixOp(Expr\Instanceof_::class, $node->expr, ' instanceof ', $node->class);
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}
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// Unary expressions
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protected function pExpr_BooleanNot(Expr\BooleanNot $node) {
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return $this->pPrefixOp(Expr\BooleanNot::class, '!', $node->expr);
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}
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protected function pExpr_BitwiseNot(Expr\BitwiseNot $node) {
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return $this->pPrefixOp(Expr\BitwiseNot::class, '~', $node->expr);
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}
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protected function pExpr_UnaryMinus(Expr\UnaryMinus $node) {
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if ($node->expr instanceof Expr\UnaryMinus || $node->expr instanceof Expr\PreDec) {
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// Enforce -(-$expr) instead of --$expr
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return '-(' . $this->p($node->expr) . ')';
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}
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return $this->pPrefixOp(Expr\UnaryMinus::class, '-', $node->expr);
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}
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protected function pExpr_UnaryPlus(Expr\UnaryPlus $node) {
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if ($node->expr instanceof Expr\UnaryPlus || $node->expr instanceof Expr\PreInc) {
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// Enforce +(+$expr) instead of ++$expr
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return '+(' . $this->p($node->expr) . ')';
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}
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return $this->pPrefixOp(Expr\UnaryPlus::class, '+', $node->expr);
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}
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protected function pExpr_PreInc(Expr\PreInc $node) {
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return $this->pPrefixOp(Expr\PreInc::class, '++', $node->var);
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}
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protected function pExpr_PreDec(Expr\PreDec $node) {
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return $this->pPrefixOp(Expr\PreDec::class, '--', $node->var);
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}
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protected function pExpr_PostInc(Expr\PostInc $node) {
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return $this->pPostfixOp(Expr\PostInc::class, $node->var, '++');
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}
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protected function pExpr_PostDec(Expr\PostDec $node) {
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return $this->pPostfixOp(Expr\PostDec::class, $node->var, '--');
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}
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protected function pExpr_ErrorSuppress(Expr\ErrorSuppress $node) {
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return $this->pPrefixOp(Expr\ErrorSuppress::class, '@', $node->expr);
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}
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protected function pExpr_YieldFrom(Expr\YieldFrom $node) {
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return $this->pPrefixOp(Expr\YieldFrom::class, 'yield from ', $node->expr);
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}
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protected function pExpr_Print(Expr\Print_ $node) {
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return $this->pPrefixOp(Expr\Print_::class, 'print ', $node->expr);
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}
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// Casts
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protected function pExpr_Cast_Int(Cast\Int_ $node) {
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return $this->pPrefixOp(Cast\Int_::class, '(int) ', $node->expr);
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}
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protected function pExpr_Cast_Double(Cast\Double $node) {
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return $this->pPrefixOp(Cast\Double::class, '(double) ', $node->expr);
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}
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protected function pExpr_Cast_String(Cast\String_ $node) {
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return $this->pPrefixOp(Cast\String_::class, '(string) ', $node->expr);
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}
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protected function pExpr_Cast_Array(Cast\Array_ $node) {
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return $this->pPrefixOp(Cast\Array_::class, '(array) ', $node->expr);
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}
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protected function pExpr_Cast_Object(Cast\Object_ $node) {
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return $this->pPrefixOp(Cast\Object_::class, '(object) ', $node->expr);
|
|
}
|
|
|
|
protected function pExpr_Cast_Bool(Cast\Bool_ $node) {
|
|
return $this->pPrefixOp(Cast\Bool_::class, '(bool) ', $node->expr);
|
|
}
|
|
|
|
protected function pExpr_Cast_Unset(Cast\Unset_ $node) {
|
|
return $this->pPrefixOp(Cast\Unset_::class, '(unset) ', $node->expr);
|
|
}
|
|
|
|
// Function calls and similar constructs
|
|
|
|
protected function pExpr_FuncCall(Expr\FuncCall $node) {
|
|
return $this->pCallLhs($node->name)
|
|
. '(' . $this->pMaybeMultiline($node->args) . ')';
|
|
}
|
|
|
|
protected function pExpr_MethodCall(Expr\MethodCall $node) {
|
|
return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name)
|
|
. '(' . $this->pMaybeMultiline($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)
|
|
. '(' . $this->pMaybeMultiline($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 = [
|
|
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 '[' . $this->pMaybeMultiline($node->items, true) . ']';
|
|
} else {
|
|
return 'array(' . $this->pMaybeMultiline($node->items, true) . ')';
|
|
}
|
|
}
|
|
|
|
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) . '::' . $this->p($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 ? ' : ' . $this->p($node->returnType) : '')
|
|
. ' {' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pExpr_ClosureUse(Expr\ClosureUse $node) {
|
|
return ($node->byRef ? '&' : '') . $this->p($node->var);
|
|
}
|
|
|
|
protected function pExpr_New(Expr\New_ $node) {
|
|
if ($node->class instanceof Stmt\Class_) {
|
|
$args = $node->args ? '(' . $this->pMaybeMultiline($node->args) . ')' : '';
|
|
return 'new ' . $this->pClassCommon($node->class, $args);
|
|
}
|
|
return 'new ' . $this->p($node->class) . '(' . $this->pMaybeMultiline($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::class,
|
|
$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) . ';'
|
|
. $this->nl . $this->pStmts($node->stmts, false);
|
|
} else {
|
|
return 'namespace' . (null !== $node->name ? ' ' . $this->p($node->name) : '')
|
|
. ' {' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
}
|
|
|
|
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)
|
|
. (null !== $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) : '')
|
|
. $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Class(Stmt\Class_ $node) {
|
|
return $this->pClassCommon($node, ' ' . $node->name);
|
|
}
|
|
|
|
protected function pStmt_Trait(Stmt\Trait_ $node) {
|
|
return 'trait ' . $node->name
|
|
. $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_TraitUse(Stmt\TraitUse $node) {
|
|
return 'use ' . $this->pCommaSeparated($node->traits)
|
|
. (empty($node->adaptations)
|
|
? ';'
|
|
: ' {' . $this->pStmts($node->adaptations) . $this->nl . '}');
|
|
}
|
|
|
|
protected function pStmt_TraitUseAdaptation_Precedence(Stmt\TraitUseAdaptation\Precedence $node) {
|
|
return $this->p($node->trait) . '::' . $node->method
|
|
. ' insteadof ' . $this->pCommaSeparated($node->insteadof) . ';';
|
|
}
|
|
|
|
protected function pStmt_TraitUseAdaptation_Alias(Stmt\TraitUseAdaptation\Alias $node) {
|
|
return (null !== $node->trait ? $this->p($node->trait) . '::' : '')
|
|
. $node->method . ' as'
|
|
. (null !== $node->newModifier ? ' ' . rtrim($this->pModifiers($node->newModifier), ' ') : '')
|
|
. (null !== $node->newName ? ' ' . $node->newName : '')
|
|
. ';';
|
|
}
|
|
|
|
protected function pStmt_Property(Stmt\Property $node) {
|
|
return (0 === $node->flags ? 'var ' : $this->pModifiers($node->flags)) . $this->pCommaSeparated($node->props) . ';';
|
|
}
|
|
|
|
protected function pStmt_PropertyProperty(Stmt\PropertyProperty $node) {
|
|
return '$' . $node->name
|
|
. (null !== $node->default ? ' = ' . $this->p($node->default) : '');
|
|
}
|
|
|
|
protected function pStmt_ClassMethod(Stmt\ClassMethod $node) {
|
|
return $this->pModifiers($node->flags)
|
|
. 'function ' . ($node->byRef ? '&' : '') . $node->name
|
|
. '(' . $this->pCommaSeparated($node->params) . ')'
|
|
. (null !== $node->returnType ? ' : ' . $this->p($node->returnType) : '')
|
|
. (null !== $node->stmts
|
|
? $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}'
|
|
: ';');
|
|
}
|
|
|
|
protected function pStmt_ClassConst(Stmt\ClassConst $node) {
|
|
return $this->pModifiers($node->flags)
|
|
. 'const ' . $this->pCommaSeparated($node->consts) . ';';
|
|
}
|
|
|
|
protected function pStmt_Function(Stmt\Function_ $node) {
|
|
return 'function ' . ($node->byRef ? '&' : '') . $node->name
|
|
. '(' . $this->pCommaSeparated($node->params) . ')'
|
|
. (null !== $node->returnType ? ' : ' . $this->p($node->returnType) : '')
|
|
. $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Const(Stmt\Const_ $node) {
|
|
return 'const ' . $this->pCommaSeparated($node->consts) . ';';
|
|
}
|
|
|
|
protected function pStmt_Declare(Stmt\Declare_ $node) {
|
|
return 'declare (' . $this->pCommaSeparated($node->declares) . ')'
|
|
. (null !== $node->stmts ? ' {' . $this->pStmts($node->stmts) . $this->nl . '}' : ';');
|
|
}
|
|
|
|
protected function pStmt_DeclareDeclare(Stmt\DeclareDeclare $node) {
|
|
return $node->key . '=' . $this->p($node->value);
|
|
}
|
|
|
|
// Control flow
|
|
|
|
protected function pStmt_If(Stmt\If_ $node) {
|
|
return 'if (' . $this->p($node->cond) . ') {'
|
|
. $this->pStmts($node->stmts) . $this->nl . '}'
|
|
. ($node->elseifs ? ' ' . $this->pImplode($node->elseifs, ' ') : '')
|
|
. (null !== $node->else ? ' ' . $this->p($node->else) : '');
|
|
}
|
|
|
|
protected function pStmt_ElseIf(Stmt\ElseIf_ $node) {
|
|
return 'elseif (' . $this->p($node->cond) . ') {'
|
|
. $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Else(Stmt\Else_ $node) {
|
|
return 'else {' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_For(Stmt\For_ $node) {
|
|
return 'for ('
|
|
. $this->pCommaSeparated($node->init) . ';' . (!empty($node->cond) ? ' ' : '')
|
|
. $this->pCommaSeparated($node->cond) . ';' . (!empty($node->loop) ? ' ' : '')
|
|
. $this->pCommaSeparated($node->loop)
|
|
. ') {' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Foreach(Stmt\Foreach_ $node) {
|
|
return 'foreach (' . $this->p($node->expr) . ' as '
|
|
. (null !== $node->keyVar ? $this->p($node->keyVar) . ' => ' : '')
|
|
. ($node->byRef ? '&' : '') . $this->p($node->valueVar) . ') {'
|
|
. $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_While(Stmt\While_ $node) {
|
|
return 'while (' . $this->p($node->cond) . ') {'
|
|
. $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Do(Stmt\Do_ $node) {
|
|
return 'do {' . $this->pStmts($node->stmts) . $this->nl
|
|
. '} while (' . $this->p($node->cond) . ');';
|
|
}
|
|
|
|
protected function pStmt_Switch(Stmt\Switch_ $node) {
|
|
return 'switch (' . $this->p($node->cond) . ') {'
|
|
. $this->pStmts($node->cases) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Case(Stmt\Case_ $node) {
|
|
return (null !== $node->cond ? 'case ' . $this->p($node->cond) : 'default') . ':'
|
|
. $this->pStmts($node->stmts);
|
|
}
|
|
|
|
protected function pStmt_TryCatch(Stmt\TryCatch $node) {
|
|
return 'try {' . $this->pStmts($node->stmts) . $this->nl . '}'
|
|
. ($node->catches ? ' ' . $this->pImplode($node->catches, ' ') : '')
|
|
. ($node->finally !== null ? ' ' . $this->p($node->finally) : '');
|
|
}
|
|
|
|
protected function pStmt_Catch(Stmt\Catch_ $node) {
|
|
return 'catch (' . $this->pImplode($node->types, '|') . ' '
|
|
. $this->p($node->var)
|
|
. ') {' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Finally(Stmt\Finally_ $node) {
|
|
return 'finally {' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pStmt_Break(Stmt\Break_ $node) {
|
|
return 'break' . ($node->num !== null ? ' ' . $this->p($node->num) : '') . ';';
|
|
}
|
|
|
|
protected function pStmt_Continue(Stmt\Continue_ $node) {
|
|
return 'continue' . ($node->num !== null ? ' ' . $this->p($node->num) : '') . ';';
|
|
}
|
|
|
|
protected function pStmt_Return(Stmt\Return_ $node) {
|
|
return 'return' . (null !== $node->expr ? ' ' . $this->p($node->expr) : '') . ';';
|
|
}
|
|
|
|
protected function pStmt_Throw(Stmt\Throw_ $node) {
|
|
return 'throw ' . $this->p($node->expr) . ';';
|
|
}
|
|
|
|
protected function pStmt_Label(Stmt\Label $node) {
|
|
return $node->name . ':';
|
|
}
|
|
|
|
protected function pStmt_Goto(Stmt\Goto_ $node) {
|
|
return 'goto ' . $node->name . ';';
|
|
}
|
|
|
|
// Other
|
|
|
|
protected function pStmt_Expression(Stmt\Expression $node) {
|
|
return $this->p($node->expr) . ';';
|
|
}
|
|
|
|
protected function pStmt_Echo(Stmt\Echo_ $node) {
|
|
return 'echo ' . $this->pCommaSeparated($node->exprs) . ';';
|
|
}
|
|
|
|
protected function pStmt_Static(Stmt\Static_ $node) {
|
|
return 'static ' . $this->pCommaSeparated($node->vars) . ';';
|
|
}
|
|
|
|
protected function pStmt_Global(Stmt\Global_ $node) {
|
|
return 'global ' . $this->pCommaSeparated($node->vars) . ';';
|
|
}
|
|
|
|
protected function pStmt_StaticVar(Stmt\StaticVar $node) {
|
|
return $this->p($node->var)
|
|
. (null !== $node->default ? ' = ' . $this->p($node->default) : '');
|
|
}
|
|
|
|
protected function pStmt_Unset(Stmt\Unset_ $node) {
|
|
return 'unset(' . $this->pCommaSeparated($node->vars) . ');';
|
|
}
|
|
|
|
protected function pStmt_InlineHTML(Stmt\InlineHTML $node) {
|
|
$newline = $node->getAttribute('hasLeadingNewline', true) ? "\n" : '';
|
|
return '?>' . $newline . $node->value . '<?php ';
|
|
}
|
|
|
|
protected function pStmt_HaltCompiler(Stmt\HaltCompiler $node) {
|
|
return '__halt_compiler();' . $node->remaining;
|
|
}
|
|
|
|
protected function pStmt_Nop(Stmt\Nop $node) {
|
|
return '';
|
|
}
|
|
|
|
// Helpers
|
|
|
|
protected function pClassCommon(Stmt\Class_ $node, $afterClassToken) {
|
|
return $this->pModifiers($node->flags)
|
|
. 'class' . $afterClassToken
|
|
. (null !== $node->extends ? ' extends ' . $this->p($node->extends) : '')
|
|
. (!empty($node->implements) ? ' implements ' . $this->pCommaSeparated($node->implements) : '')
|
|
. $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}';
|
|
}
|
|
|
|
protected function pObjectProperty($node) {
|
|
if ($node instanceof Expr) {
|
|
return '{' . $this->p($node) . '}';
|
|
} else {
|
|
return $node;
|
|
}
|
|
}
|
|
|
|
protected function pEncapsList(array $encapsList, $quote) {
|
|
$return = '';
|
|
foreach ($encapsList as $element) {
|
|
if ($element instanceof Scalar\EncapsedStringPart) {
|
|
$return .= $this->escapeString($element->value, $quote);
|
|
} else {
|
|
$return .= '{' . $this->p($element) . '}';
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
protected function pSingleQuotedString(string $string) {
|
|
return '\'' . addcslashes($string, '\'\\') . '\'';
|
|
}
|
|
|
|
protected function escapeString($string, $quote) {
|
|
if (null === $quote) {
|
|
// For doc strings, don't escape newlines
|
|
$escaped = addcslashes($string, "\t\f\v$\\");
|
|
} else {
|
|
$escaped = addcslashes($string, "\n\r\t\f\v$" . $quote . "\\");
|
|
}
|
|
|
|
// Escape other control characters
|
|
return preg_replace_callback('/([\0-\10\16-\37])(?=([0-7]?))/', function ($matches) {
|
|
$oct = decoct(ord($matches[1]));
|
|
if ($matches[2] !== '') {
|
|
// If there is a trailing digit, use the full three character form
|
|
return '\\' . str_pad($oct, 3, '0', \STR_PAD_LEFT);
|
|
}
|
|
return '\\' . $oct;
|
|
}, $escaped);
|
|
}
|
|
|
|
protected function containsEndLabel($string, $label, $atStart = true, $atEnd = true) {
|
|
$start = $atStart ? '(?:^|[\r\n])' : '[\r\n]';
|
|
$end = $atEnd ? '(?:$|[;\r\n])' : '[;\r\n]';
|
|
return false !== strpos($string, $label)
|
|
&& preg_match('/' . $start . $label . $end . '/', $string);
|
|
}
|
|
|
|
protected function encapsedContainsEndLabel(array $parts, $label) {
|
|
foreach ($parts as $i => $part) {
|
|
$atStart = $i === 0;
|
|
$atEnd = $i === count($parts) - 1;
|
|
if ($part instanceof Scalar\EncapsedStringPart
|
|
&& $this->containsEndLabel($part->value, $label, $atStart, $atEnd)
|
|
) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
protected function pDereferenceLhs(Node $node) {
|
|
if (!$this->dereferenceLhsRequiresParens($node)) {
|
|
return $this->p($node);
|
|
} else {
|
|
return '(' . $this->p($node) . ')';
|
|
}
|
|
}
|
|
|
|
protected function pCallLhs(Node $node) {
|
|
if (!$this->callLhsRequiresParens($node)) {
|
|
return $this->p($node);
|
|
} else {
|
|
return '(' . $this->p($node) . ')';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param Node[] $nodes
|
|
* @return bool
|
|
*/
|
|
private function hasNodeWithComments(array $nodes) {
|
|
foreach ($nodes as $node) {
|
|
if ($node && $node->getComments()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private function pMaybeMultiline(array $nodes, $trailingComma = false) {
|
|
if (!$this->hasNodeWithComments($nodes)) {
|
|
return $this->pCommaSeparated($nodes);
|
|
} else {
|
|
return $this->pCommaSeparatedMultiline($nodes, $trailingComma) . $this->nl;
|
|
}
|
|
}
|
|
}
|