1: | <?php declare(strict_types=1); |
2: | |
3: | namespace PhpParser\PrettyPrinter; |
4: | |
5: | use PhpParser\Node; |
6: | use PhpParser\Node\Expr; |
7: | use PhpParser\Node\Expr\AssignOp; |
8: | use PhpParser\Node\Expr\BinaryOp; |
9: | use PhpParser\Node\Expr\Cast; |
10: | use PhpParser\Node\Name; |
11: | use PhpParser\Node\Scalar; |
12: | use PhpParser\Node\Scalar\MagicConst; |
13: | use PhpParser\Node\Stmt; |
14: | use PhpParser\PrettyPrinterAbstract; |
15: | |
16: | class Standard extends PrettyPrinterAbstract |
17: | { |
18: | |
19: | |
20: | protected function pParam(Node\Param $node) { |
21: | return $this->pAttrGroups($node->attrGroups, true) |
22: | . $this->pModifiers($node->flags) |
23: | . ($node->type ? $this->p($node->type) . ' ' : '') |
24: | . ($node->byRef ? '&' : '') |
25: | . ($node->variadic ? '...' : '') |
26: | . $this->p($node->var) |
27: | . ($node->default ? ' = ' . $this->p($node->default) : ''); |
28: | } |
29: | |
30: | protected function pArg(Node\Arg $node) { |
31: | return ($node->name ? $node->name->toString() . ': ' : '') |
32: | . ($node->byRef ? '&' : '') . ($node->unpack ? '...' : '') |
33: | . $this->p($node->value); |
34: | } |
35: | |
36: | protected function pVariadicPlaceholder(Node\VariadicPlaceholder $node) { |
37: | return '...'; |
38: | } |
39: | |
40: | protected function pConst(Node\Const_ $node) { |
41: | return $node->name . ' = ' . $this->p($node->value); |
42: | } |
43: | |
44: | protected function pNullableType(Node\NullableType $node) { |
45: | return '?' . $this->p($node->type); |
46: | } |
47: | |
48: | protected function pUnionType(Node\UnionType $node) { |
49: | $types = []; |
50: | foreach ($node->types as $typeNode) { |
51: | if ($typeNode instanceof Node\IntersectionType) { |
52: | $types[] = '('. $this->p($typeNode) . ')'; |
53: | continue; |
54: | } |
55: | $types[] = $this->p($typeNode); |
56: | } |
57: | return implode('|', $types); |
58: | } |
59: | |
60: | protected function pIntersectionType(Node\IntersectionType $node) { |
61: | return $this->pImplode($node->types, '&'); |
62: | } |
63: | |
64: | protected function pIdentifier(Node\Identifier $node) { |
65: | return $node->name; |
66: | } |
67: | |
68: | protected function pVarLikeIdentifier(Node\VarLikeIdentifier $node) { |
69: | return '$' . $node->name; |
70: | } |
71: | |
72: | protected function pAttribute(Node\Attribute $node) { |
73: | return $this->p($node->name) |
74: | . ($node->args ? '(' . $this->pCommaSeparated($node->args) . ')' : ''); |
75: | } |
76: | |
77: | protected function pAttributeGroup(Node\AttributeGroup $node) { |
78: | return '#[' . $this->pCommaSeparated($node->attrs) . ']'; |
79: | } |
80: | |
81: | |
82: | |
83: | protected function pName(Name $node) { |
84: | return implode('\\', $node->parts); |
85: | } |
86: | |
87: | protected function pName_FullyQualified(Name\FullyQualified $node) { |
88: | return '\\' . implode('\\', $node->parts); |
89: | } |
90: | |
91: | protected function pName_Relative(Name\Relative $node) { |
92: | return 'namespace\\' . implode('\\', $node->parts); |
93: | } |
94: | |
95: | |
96: | |
97: | protected function pScalar_MagicConst_Class(MagicConst\Class_ $node) { |
98: | return '__CLASS__'; |
99: | } |
100: | |
101: | protected function pScalar_MagicConst_Dir(MagicConst\Dir $node) { |
102: | return '__DIR__'; |
103: | } |
104: | |
105: | protected function pScalar_MagicConst_File(MagicConst\File $node) { |
106: | return '__FILE__'; |
107: | } |
108: | |
109: | protected function pScalar_MagicConst_Function(MagicConst\Function_ $node) { |
110: | return '__FUNCTION__'; |
111: | } |
112: | |
113: | protected function pScalar_MagicConst_Line(MagicConst\Line $node) { |
114: | return '__LINE__'; |
115: | } |
116: | |
117: | protected function pScalar_MagicConst_Method(MagicConst\Method $node) { |
118: | return '__METHOD__'; |
119: | } |
120: | |
121: | protected function pScalar_MagicConst_Namespace(MagicConst\Namespace_ $node) { |
122: | return '__NAMESPACE__'; |
123: | } |
124: | |
125: | protected function pScalar_MagicConst_Trait(MagicConst\Trait_ $node) { |
126: | return '__TRAIT__'; |
127: | } |
128: | |
129: | |
130: | |
131: | protected function pScalar_String(Scalar\String_ $node) { |
132: | $kind = $node->getAttribute('kind', Scalar\String_::KIND_SINGLE_QUOTED); |
133: | switch ($kind) { |
134: | case Scalar\String_::KIND_NOWDOC: |
135: | $label = $node->getAttribute('docLabel'); |
136: | if ($label && !$this->containsEndLabel($node->value, $label)) { |
137: | if ($node->value === '') { |
138: | return "<<<'$label'\n$label" . $this->docStringEndToken; |
139: | } |
140: | |
141: | return "<<<'$label'\n$node->value\n$label" |
142: | . $this->docStringEndToken; |
143: | } |
144: | |
145: | case Scalar\String_::KIND_SINGLE_QUOTED: |
146: | return $this->pSingleQuotedString($node->value); |
147: | case Scalar\String_::KIND_HEREDOC: |
148: | $label = $node->getAttribute('docLabel'); |
149: | if ($label && !$this->containsEndLabel($node->value, $label)) { |
150: | if ($node->value === '') { |
151: | return "<<<$label\n$label" . $this->docStringEndToken; |
152: | } |
153: | |
154: | $escaped = $this->escapeString($node->value, null); |
155: | return "<<<$label\n" . $escaped . "\n$label" |
156: | . $this->docStringEndToken; |
157: | } |
158: | |
159: | case Scalar\String_::KIND_DOUBLE_QUOTED: |
160: | return '"' . $this->escapeString($node->value, '"') . '"'; |
161: | } |
162: | throw new \Exception('Invalid string kind'); |
163: | } |
164: | |
165: | protected function pScalar_Encapsed(Scalar\Encapsed $node) { |
166: | if ($node->getAttribute('kind') === Scalar\String_::KIND_HEREDOC) { |
167: | $label = $node->getAttribute('docLabel'); |
168: | if ($label && !$this->encapsedContainsEndLabel($node->parts, $label)) { |
169: | if (count($node->parts) === 1 |
170: | && $node->parts[0] instanceof Scalar\EncapsedStringPart |
171: | && $node->parts[0]->value === '' |
172: | ) { |
173: | return "<<<$label\n$label" . $this->docStringEndToken; |
174: | } |
175: | |
176: | return "<<<$label\n" . $this->pEncapsList($node->parts, null) . "\n$label" |
177: | . $this->docStringEndToken; |
178: | } |
179: | } |
180: | return '"' . $this->pEncapsList($node->parts, '"') . '"'; |
181: | } |
182: | |
183: | protected function pScalar_LNumber(Scalar\LNumber $node) { |
184: | if ($node->value === -\PHP_INT_MAX-1) { |
185: | |
186: | |
187: | return '(-' . \PHP_INT_MAX . '-1)'; |
188: | } |
189: | |
190: | $kind = $node->getAttribute('kind', Scalar\LNumber::KIND_DEC); |
191: | if (Scalar\LNumber::KIND_DEC === $kind) { |
192: | return (string) $node->value; |
193: | } |
194: | |
195: | if ($node->value < 0) { |
196: | $sign = '-'; |
197: | $str = (string) -$node->value; |
198: | } else { |
199: | $sign = ''; |
200: | $str = (string) $node->value; |
201: | } |
202: | switch ($kind) { |
203: | case Scalar\LNumber::KIND_BIN: |
204: | return $sign . '0b' . base_convert($str, 10, 2); |
205: | case Scalar\LNumber::KIND_OCT: |
206: | return $sign . '0' . base_convert($str, 10, 8); |
207: | case Scalar\LNumber::KIND_HEX: |
208: | return $sign . '0x' . base_convert($str, 10, 16); |
209: | } |
210: | throw new \Exception('Invalid number kind'); |
211: | } |
212: | |
213: | protected function pScalar_DNumber(Scalar\DNumber $node) { |
214: | if (!is_finite($node->value)) { |
215: | if ($node->value === \INF) { |
216: | return '\INF'; |
217: | } elseif ($node->value === -\INF) { |
218: | return '-\INF'; |
219: | } else { |
220: | return '\NAN'; |
221: | } |
222: | } |
223: | |
224: | |
225: | $stringValue = sprintf('%.16G', $node->value); |
226: | if ($node->value !== (double) $stringValue) { |
227: | $stringValue = sprintf('%.17G', $node->value); |
228: | } |
229: | |
230: | |
231: | |
232: | |
233: | $stringValue = str_replace(',', '.', $stringValue); |
234: | |
235: | |
236: | return preg_match('/^-?[0-9]+$/', $stringValue) ? $stringValue . '.0' : $stringValue; |
237: | } |
238: | |
239: | protected function pScalar_EncapsedStringPart(Scalar\EncapsedStringPart $node) { |
240: | throw new \LogicException('Cannot directly print EncapsedStringPart'); |
241: | } |
242: | |
243: | |
244: | |
245: | protected function pExpr_Assign(Expr\Assign $node) { |
246: | return $this->pInfixOp(Expr\Assign::class, $node->var, ' = ', $node->expr); |
247: | } |
248: | |
249: | protected function pExpr_AssignRef(Expr\AssignRef $node) { |
250: | return $this->pInfixOp(Expr\AssignRef::class, $node->var, ' =& ', $node->expr); |
251: | } |
252: | |
253: | protected function pExpr_AssignOp_Plus(AssignOp\Plus $node) { |
254: | return $this->pInfixOp(AssignOp\Plus::class, $node->var, ' += ', $node->expr); |
255: | } |
256: | |
257: | protected function pExpr_AssignOp_Minus(AssignOp\Minus $node) { |
258: | return $this->pInfixOp(AssignOp\Minus::class, $node->var, ' -= ', $node->expr); |
259: | } |
260: | |
261: | protected function pExpr_AssignOp_Mul(AssignOp\Mul $node) { |
262: | return $this->pInfixOp(AssignOp\Mul::class, $node->var, ' *= ', $node->expr); |
263: | } |
264: | |
265: | protected function pExpr_AssignOp_Div(AssignOp\Div $node) { |
266: | return $this->pInfixOp(AssignOp\Div::class, $node->var, ' /= ', $node->expr); |
267: | } |
268: | |
269: | protected function pExpr_AssignOp_Concat(AssignOp\Concat $node) { |
270: | return $this->pInfixOp(AssignOp\Concat::class, $node->var, ' .= ', $node->expr); |
271: | } |
272: | |
273: | protected function pExpr_AssignOp_Mod(AssignOp\Mod $node) { |
274: | return $this->pInfixOp(AssignOp\Mod::class, $node->var, ' %= ', $node->expr); |
275: | } |
276: | |
277: | protected function pExpr_AssignOp_BitwiseAnd(AssignOp\BitwiseAnd $node) { |
278: | return $this->pInfixOp(AssignOp\BitwiseAnd::class, $node->var, ' &= ', $node->expr); |
279: | } |
280: | |
281: | protected function pExpr_AssignOp_BitwiseOr(AssignOp\BitwiseOr $node) { |
282: | return $this->pInfixOp(AssignOp\BitwiseOr::class, $node->var, ' |= ', $node->expr); |
283: | } |
284: | |
285: | protected function pExpr_AssignOp_BitwiseXor(AssignOp\BitwiseXor $node) { |
286: | return $this->pInfixOp(AssignOp\BitwiseXor::class, $node->var, ' ^= ', $node->expr); |
287: | } |
288: | |
289: | protected function pExpr_AssignOp_ShiftLeft(AssignOp\ShiftLeft $node) { |
290: | return $this->pInfixOp(AssignOp\ShiftLeft::class, $node->var, ' <<= ', $node->expr); |
291: | } |
292: | |
293: | protected function pExpr_AssignOp_ShiftRight(AssignOp\ShiftRight $node) { |
294: | return $this->pInfixOp(AssignOp\ShiftRight::class, $node->var, ' >>= ', $node->expr); |
295: | } |
296: | |
297: | protected function pExpr_AssignOp_Pow(AssignOp\Pow $node) { |
298: | return $this->pInfixOp(AssignOp\Pow::class, $node->var, ' **= ', $node->expr); |
299: | } |
300: | |
301: | protected function pExpr_AssignOp_Coalesce(AssignOp\Coalesce $node) { |
302: | return $this->pInfixOp(AssignOp\Coalesce::class, $node->var, ' ??= ', $node->expr); |
303: | } |
304: | |
305: | |
306: | |
307: | protected function pExpr_BinaryOp_Plus(BinaryOp\Plus $node) { |
308: | return $this->pInfixOp(BinaryOp\Plus::class, $node->left, ' + ', $node->right); |
309: | } |
310: | |
311: | protected function pExpr_BinaryOp_Minus(BinaryOp\Minus $node) { |
312: | return $this->pInfixOp(BinaryOp\Minus::class, $node->left, ' - ', $node->right); |
313: | } |
314: | |
315: | protected function pExpr_BinaryOp_Mul(BinaryOp\Mul $node) { |
316: | return $this->pInfixOp(BinaryOp\Mul::class, $node->left, ' * ', $node->right); |
317: | } |
318: | |
319: | protected function pExpr_BinaryOp_Div(BinaryOp\Div $node) { |
320: | return $this->pInfixOp(BinaryOp\Div::class, $node->left, ' / ', $node->right); |
321: | } |
322: | |
323: | protected function pExpr_BinaryOp_Concat(BinaryOp\Concat $node) { |
324: | return $this->pInfixOp(BinaryOp\Concat::class, $node->left, ' . ', $node->right); |
325: | } |
326: | |
327: | protected function pExpr_BinaryOp_Mod(BinaryOp\Mod $node) { |
328: | return $this->pInfixOp(BinaryOp\Mod::class, $node->left, ' % ', $node->right); |
329: | } |
330: | |
331: | protected function pExpr_BinaryOp_BooleanAnd(BinaryOp\BooleanAnd $node) { |
332: | return $this->pInfixOp(BinaryOp\BooleanAnd::class, $node->left, ' && ', $node->right); |
333: | } |
334: | |
335: | protected function pExpr_BinaryOp_BooleanOr(BinaryOp\BooleanOr $node) { |
336: | return $this->pInfixOp(BinaryOp\BooleanOr::class, $node->left, ' || ', $node->right); |
337: | } |
338: | |
339: | protected function pExpr_BinaryOp_BitwiseAnd(BinaryOp\BitwiseAnd $node) { |
340: | return $this->pInfixOp(BinaryOp\BitwiseAnd::class, $node->left, ' & ', $node->right); |
341: | } |
342: | |
343: | protected function pExpr_BinaryOp_BitwiseOr(BinaryOp\BitwiseOr $node) { |
344: | return $this->pInfixOp(BinaryOp\BitwiseOr::class, $node->left, ' | ', $node->right); |
345: | } |
346: | |
347: | protected function pExpr_BinaryOp_BitwiseXor(BinaryOp\BitwiseXor $node) { |
348: | return $this->pInfixOp(BinaryOp\BitwiseXor::class, $node->left, ' ^ ', $node->right); |
349: | } |
350: | |
351: | protected function pExpr_BinaryOp_ShiftLeft(BinaryOp\ShiftLeft $node) { |
352: | return $this->pInfixOp(BinaryOp\ShiftLeft::class, $node->left, ' << ', $node->right); |
353: | } |
354: | |
355: | protected function pExpr_BinaryOp_ShiftRight(BinaryOp\ShiftRight $node) { |
356: | return $this->pInfixOp(BinaryOp\ShiftRight::class, $node->left, ' >> ', $node->right); |
357: | } |
358: | |
359: | protected function pExpr_BinaryOp_Pow(BinaryOp\Pow $node) { |
360: | return $this->pInfixOp(BinaryOp\Pow::class, $node->left, ' ** ', $node->right); |
361: | } |
362: | |
363: | protected function pExpr_BinaryOp_LogicalAnd(BinaryOp\LogicalAnd $node) { |
364: | return $this->pInfixOp(BinaryOp\LogicalAnd::class, $node->left, ' and ', $node->right); |
365: | } |
366: | |
367: | protected function pExpr_BinaryOp_LogicalOr(BinaryOp\LogicalOr $node) { |
368: | return $this->pInfixOp(BinaryOp\LogicalOr::class, $node->left, ' or ', $node->right); |
369: | } |
370: | |
371: | protected function pExpr_BinaryOp_LogicalXor(BinaryOp\LogicalXor $node) { |
372: | return $this->pInfixOp(BinaryOp\LogicalXor::class, $node->left, ' xor ', $node->right); |
373: | } |
374: | |
375: | protected function pExpr_BinaryOp_Equal(BinaryOp\Equal $node) { |
376: | return $this->pInfixOp(BinaryOp\Equal::class, $node->left, ' == ', $node->right); |
377: | } |
378: | |
379: | protected function pExpr_BinaryOp_NotEqual(BinaryOp\NotEqual $node) { |
380: | return $this->pInfixOp(BinaryOp\NotEqual::class, $node->left, ' != ', $node->right); |
381: | } |
382: | |
383: | protected function pExpr_BinaryOp_Identical(BinaryOp\Identical $node) { |
384: | return $this->pInfixOp(BinaryOp\Identical::class, $node->left, ' === ', $node->right); |
385: | } |
386: | |
387: | protected function pExpr_BinaryOp_NotIdentical(BinaryOp\NotIdentical $node) { |
388: | return $this->pInfixOp(BinaryOp\NotIdentical::class, $node->left, ' !== ', $node->right); |
389: | } |
390: | |
391: | protected function pExpr_BinaryOp_Spaceship(BinaryOp\Spaceship $node) { |
392: | return $this->pInfixOp(BinaryOp\Spaceship::class, $node->left, ' <=> ', $node->right); |
393: | } |
394: | |
395: | protected function pExpr_BinaryOp_Greater(BinaryOp\Greater $node) { |
396: | return $this->pInfixOp(BinaryOp\Greater::class, $node->left, ' > ', $node->right); |
397: | } |
398: | |
399: | protected function pExpr_BinaryOp_GreaterOrEqual(BinaryOp\GreaterOrEqual $node) { |
400: | return $this->pInfixOp(BinaryOp\GreaterOrEqual::class, $node->left, ' >= ', $node->right); |
401: | } |
402: | |
403: | protected function pExpr_BinaryOp_Smaller(BinaryOp\Smaller $node) { |
404: | return $this->pInfixOp(BinaryOp\Smaller::class, $node->left, ' < ', $node->right); |
405: | } |
406: | |
407: | protected function pExpr_BinaryOp_SmallerOrEqual(BinaryOp\SmallerOrEqual $node) { |
408: | return $this->pInfixOp(BinaryOp\SmallerOrEqual::class, $node->left, ' <= ', $node->right); |
409: | } |
410: | |
411: | protected function pExpr_BinaryOp_Coalesce(BinaryOp\Coalesce $node) { |
412: | return $this->pInfixOp(BinaryOp\Coalesce::class, $node->left, ' ?? ', $node->right); |
413: | } |
414: | |
415: | protected function pExpr_Instanceof(Expr\Instanceof_ $node) { |
416: | list($precedence, $associativity) = $this->precedenceMap[Expr\Instanceof_::class]; |
417: | return $this->pPrec($node->expr, $precedence, $associativity, -1) |
418: | . ' instanceof ' |
419: | . $this->pNewVariable($node->class); |
420: | } |
421: | |
422: | |
423: | |
424: | protected function pExpr_BooleanNot(Expr\BooleanNot $node) { |
425: | return $this->pPrefixOp(Expr\BooleanNot::class, '!', $node->expr); |
426: | } |
427: | |
428: | protected function pExpr_BitwiseNot(Expr\BitwiseNot $node) { |
429: | return $this->pPrefixOp(Expr\BitwiseNot::class, '~', $node->expr); |
430: | } |
431: | |
432: | protected function pExpr_UnaryMinus(Expr\UnaryMinus $node) { |
433: | if ($node->expr instanceof Expr\UnaryMinus || $node->expr instanceof Expr\PreDec) { |
434: | |
435: | return '-(' . $this->p($node->expr) . ')'; |
436: | } |
437: | return $this->pPrefixOp(Expr\UnaryMinus::class, '-', $node->expr); |
438: | } |
439: | |
440: | protected function pExpr_UnaryPlus(Expr\UnaryPlus $node) { |
441: | if ($node->expr instanceof Expr\UnaryPlus || $node->expr instanceof Expr\PreInc) { |
442: | |
443: | return '+(' . $this->p($node->expr) . ')'; |
444: | } |
445: | return $this->pPrefixOp(Expr\UnaryPlus::class, '+', $node->expr); |
446: | } |
447: | |
448: | protected function pExpr_PreInc(Expr\PreInc $node) { |
449: | return $this->pPrefixOp(Expr\PreInc::class, '++', $node->var); |
450: | } |
451: | |
452: | protected function pExpr_PreDec(Expr\PreDec $node) { |
453: | return $this->pPrefixOp(Expr\PreDec::class, '--', $node->var); |
454: | } |
455: | |
456: | protected function pExpr_PostInc(Expr\PostInc $node) { |
457: | return $this->pPostfixOp(Expr\PostInc::class, $node->var, '++'); |
458: | } |
459: | |
460: | protected function pExpr_PostDec(Expr\PostDec $node) { |
461: | return $this->pPostfixOp(Expr\PostDec::class, $node->var, '--'); |
462: | } |
463: | |
464: | protected function pExpr_ErrorSuppress(Expr\ErrorSuppress $node) { |
465: | return $this->pPrefixOp(Expr\ErrorSuppress::class, '@', $node->expr); |
466: | } |
467: | |
468: | protected function pExpr_YieldFrom(Expr\YieldFrom $node) { |
469: | return $this->pPrefixOp(Expr\YieldFrom::class, 'yield from ', $node->expr); |
470: | } |
471: | |
472: | protected function pExpr_Print(Expr\Print_ $node) { |
473: | return $this->pPrefixOp(Expr\Print_::class, 'print ', $node->expr); |
474: | } |
475: | |
476: | |
477: | |
478: | protected function pExpr_Cast_Int(Cast\Int_ $node) { |
479: | return $this->pPrefixOp(Cast\Int_::class, '(int) ', $node->expr); |
480: | } |
481: | |
482: | protected function pExpr_Cast_Double(Cast\Double $node) { |
483: | $kind = $node->getAttribute('kind', Cast\Double::KIND_DOUBLE); |
484: | if ($kind === Cast\Double::KIND_DOUBLE) { |
485: | $cast = '(double)'; |
486: | } elseif ($kind === Cast\Double::KIND_FLOAT) { |
487: | $cast = '(float)'; |
488: | } elseif ($kind === Cast\Double::KIND_REAL) { |
489: | $cast = '(real)'; |
490: | } |
491: | return $this->pPrefixOp(Cast\Double::class, $cast . ' ', $node->expr); |
492: | } |
493: | |
494: | protected function pExpr_Cast_String(Cast\String_ $node) { |
495: | return $this->pPrefixOp(Cast\String_::class, '(string) ', $node->expr); |
496: | } |
497: | |
498: | protected function pExpr_Cast_Array(Cast\Array_ $node) { |
499: | return $this->pPrefixOp(Cast\Array_::class, '(array) ', $node->expr); |
500: | } |
501: | |
502: | protected function pExpr_Cast_Object(Cast\Object_ $node) { |
503: | return $this->pPrefixOp(Cast\Object_::class, '(object) ', $node->expr); |
504: | } |
505: | |
506: | protected function pExpr_Cast_Bool(Cast\Bool_ $node) { |
507: | return $this->pPrefixOp(Cast\Bool_::class, '(bool) ', $node->expr); |
508: | } |
509: | |
510: | protected function pExpr_Cast_Unset(Cast\Unset_ $node) { |
511: | return $this->pPrefixOp(Cast\Unset_::class, '(unset) ', $node->expr); |
512: | } |
513: | |
514: | |
515: | |
516: | protected function pExpr_FuncCall(Expr\FuncCall $node) { |
517: | return $this->pCallLhs($node->name) |
518: | . '(' . $this->pMaybeMultiline($node->args) . ')'; |
519: | } |
520: | |
521: | protected function pExpr_MethodCall(Expr\MethodCall $node) { |
522: | return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name) |
523: | . '(' . $this->pMaybeMultiline($node->args) . ')'; |
524: | } |
525: | |
526: | protected function pExpr_NullsafeMethodCall(Expr\NullsafeMethodCall $node) { |
527: | return $this->pDereferenceLhs($node->var) . '?->' . $this->pObjectProperty($node->name) |
528: | . '(' . $this->pMaybeMultiline($node->args) . ')'; |
529: | } |
530: | |
531: | protected function pExpr_StaticCall(Expr\StaticCall $node) { |
532: | return $this->pStaticDereferenceLhs($node->class) . '::' |
533: | . ($node->name instanceof Expr |
534: | ? ($node->name instanceof Expr\Variable |
535: | ? $this->p($node->name) |
536: | : '{' . $this->p($node->name) . '}') |
537: | : $node->name) |
538: | . '(' . $this->pMaybeMultiline($node->args) . ')'; |
539: | } |
540: | |
541: | protected function pExpr_Empty(Expr\Empty_ $node) { |
542: | return 'empty(' . $this->p($node->expr) . ')'; |
543: | } |
544: | |
545: | protected function pExpr_Isset(Expr\Isset_ $node) { |
546: | return 'isset(' . $this->pCommaSeparated($node->vars) . ')'; |
547: | } |
548: | |
549: | protected function pExpr_Eval(Expr\Eval_ $node) { |
550: | return 'eval(' . $this->p($node->expr) . ')'; |
551: | } |
552: | |
553: | protected function pExpr_Include(Expr\Include_ $node) { |
554: | static $map = [ |
555: | Expr\Include_::TYPE_INCLUDE => 'include', |
556: | Expr\Include_::TYPE_INCLUDE_ONCE => 'include_once', |
557: | Expr\Include_::TYPE_REQUIRE => 'require', |
558: | Expr\Include_::TYPE_REQUIRE_ONCE => 'require_once', |
559: | ]; |
560: | |
561: | return $map[$node->type] . ' ' . $this->p($node->expr); |
562: | } |
563: | |
564: | protected function pExpr_List(Expr\List_ $node) { |
565: | return 'list(' . $this->pCommaSeparated($node->items) . ')'; |
566: | } |
567: | |
568: | |
569: | |
570: | protected function pExpr_Error(Expr\Error $node) { |
571: | throw new \LogicException('Cannot pretty-print AST with Error nodes'); |
572: | } |
573: | |
574: | protected function pExpr_Variable(Expr\Variable $node) { |
575: | if ($node->name instanceof Expr) { |
576: | return '${' . $this->p($node->name) . '}'; |
577: | } else { |
578: | return '$' . $node->name; |
579: | } |
580: | } |
581: | |
582: | protected function pExpr_Array(Expr\Array_ $node) { |
583: | $syntax = $node->getAttribute('kind', |
584: | $this->options['shortArraySyntax'] ? Expr\Array_::KIND_SHORT : Expr\Array_::KIND_LONG); |
585: | if ($syntax === Expr\Array_::KIND_SHORT) { |
586: | return '[' . $this->pMaybeMultiline($node->items, true) . ']'; |
587: | } else { |
588: | return 'array(' . $this->pMaybeMultiline($node->items, true) . ')'; |
589: | } |
590: | } |
591: | |
592: | protected function pExpr_ArrayItem(Expr\ArrayItem $node) { |
593: | return (null !== $node->key ? $this->p($node->key) . ' => ' : '') |
594: | . ($node->byRef ? '&' : '') |
595: | . ($node->unpack ? '...' : '') |
596: | . $this->p($node->value); |
597: | } |
598: | |
599: | protected function pExpr_ArrayDimFetch(Expr\ArrayDimFetch $node) { |
600: | return $this->pDereferenceLhs($node->var) |
601: | . '[' . (null !== $node->dim ? $this->p($node->dim) : '') . ']'; |
602: | } |
603: | |
604: | protected function pExpr_ConstFetch(Expr\ConstFetch $node) { |
605: | return $this->p($node->name); |
606: | } |
607: | |
608: | protected function pExpr_ClassConstFetch(Expr\ClassConstFetch $node) { |
609: | return $this->pStaticDereferenceLhs($node->class) . '::' . $this->pObjectProperty($node->name); |
610: | } |
611: | |
612: | protected function pExpr_PropertyFetch(Expr\PropertyFetch $node) { |
613: | return $this->pDereferenceLhs($node->var) . '->' . $this->pObjectProperty($node->name); |
614: | } |
615: | |
616: | protected function pExpr_NullsafePropertyFetch(Expr\NullsafePropertyFetch $node) { |
617: | return $this->pDereferenceLhs($node->var) . '?->' . $this->pObjectProperty($node->name); |
618: | } |
619: | |
620: | protected function pExpr_StaticPropertyFetch(Expr\StaticPropertyFetch $node) { |
621: | return $this->pStaticDereferenceLhs($node->class) . '::$' . $this->pObjectProperty($node->name); |
622: | } |
623: | |
624: | protected function pExpr_ShellExec(Expr\ShellExec $node) { |
625: | return '`' . $this->pEncapsList($node->parts, '`') . '`'; |
626: | } |
627: | |
628: | protected function pExpr_Closure(Expr\Closure $node) { |
629: | return $this->pAttrGroups($node->attrGroups, true) |
630: | . ($node->static ? 'static ' : '') |
631: | . 'function ' . ($node->byRef ? '&' : '') |
632: | . '(' . $this->pCommaSeparated($node->params) . ')' |
633: | . (!empty($node->uses) ? ' use(' . $this->pCommaSeparated($node->uses) . ')' : '') |
634: | . (null !== $node->returnType ? ' : ' . $this->p($node->returnType) : '') |
635: | . ' {' . $this->pStmts($node->stmts) . $this->nl . '}'; |
636: | } |
637: | |
638: | protected function pExpr_Match(Expr\Match_ $node) { |
639: | return 'match (' . $this->p($node->cond) . ') {' |
640: | . $this->pCommaSeparatedMultiline($node->arms, true) |
641: | . $this->nl |
642: | . '}'; |
643: | } |
644: | |
645: | protected function pMatchArm(Node\MatchArm $node) { |
646: | return ($node->conds ? $this->pCommaSeparated($node->conds) : 'default') |
647: | . ' => ' . $this->p($node->body); |
648: | } |
649: | |
650: | protected function pExpr_ArrowFunction(Expr\ArrowFunction $node) { |
651: | return $this->pAttrGroups($node->attrGroups, true) |
652: | . ($node->static ? 'static ' : '') |
653: | . 'fn' . ($node->byRef ? '&' : '') |
654: | . '(' . $this->pCommaSeparated($node->params) . ')' |
655: | . (null !== $node->returnType ? ': ' . $this->p($node->returnType) : '') |
656: | . ' => ' |
657: | . $this->p($node->expr); |
658: | } |
659: | |
660: | protected function pExpr_ClosureUse(Expr\ClosureUse $node) { |
661: | return ($node->byRef ? '&' : '') . $this->p($node->var); |
662: | } |
663: | |
664: | protected function pExpr_New(Expr\New_ $node) { |
665: | if ($node->class instanceof Stmt\Class_) { |
666: | $args = $node->args ? '(' . $this->pMaybeMultiline($node->args) . ')' : ''; |
667: | return 'new ' . $this->pClassCommon($node->class, $args); |
668: | } |
669: | return 'new ' . $this->pNewVariable($node->class) |
670: | . '(' . $this->pMaybeMultiline($node->args) . ')'; |
671: | } |
672: | |
673: | protected function pExpr_Clone(Expr\Clone_ $node) { |
674: | return 'clone ' . $this->p($node->expr); |
675: | } |
676: | |
677: | protected function pExpr_Ternary(Expr\Ternary $node) { |
678: | |
679: | |
680: | return $this->pInfixOp(Expr\Ternary::class, |
681: | $node->cond, ' ?' . (null !== $node->if ? ' ' . $this->p($node->if) . ' ' : '') . ': ', $node->else |
682: | ); |
683: | } |
684: | |
685: | protected function pExpr_Exit(Expr\Exit_ $node) { |
686: | $kind = $node->getAttribute('kind', Expr\Exit_::KIND_DIE); |
687: | return ($kind === Expr\Exit_::KIND_EXIT ? 'exit' : 'die') |
688: | . (null !== $node->expr ? '(' . $this->p($node->expr) . ')' : ''); |
689: | } |
690: | |
691: | protected function pExpr_Throw(Expr\Throw_ $node) { |
692: | return 'throw ' . $this->p($node->expr); |
693: | } |
694: | |
695: | protected function pExpr_Yield(Expr\Yield_ $node) { |
696: | if ($node->value === null) { |
697: | return 'yield'; |
698: | } else { |
699: | |
700: | return '(yield ' |
701: | . ($node->key !== null ? $this->p($node->key) . ' => ' : '') |
702: | . $this->p($node->value) |
703: | . ')'; |
704: | } |
705: | } |
706: | |
707: | |
708: | |
709: | protected function pStmt_Namespace(Stmt\Namespace_ $node) { |
710: | if ($this->canUseSemicolonNamespaces) { |
711: | return 'namespace ' . $this->p($node->name) . ';' |
712: | . $this->nl . $this->pStmts($node->stmts, false); |
713: | } else { |
714: | return 'namespace' . (null !== $node->name ? ' ' . $this->p($node->name) : '') |
715: | . ' {' . $this->pStmts($node->stmts) . $this->nl . '}'; |
716: | } |
717: | } |
718: | |
719: | protected function pStmt_Use(Stmt\Use_ $node) { |
720: | return 'use ' . $this->pUseType($node->type) |
721: | . $this->pCommaSeparated($node->uses) . ';'; |
722: | } |
723: | |
724: | protected function pStmt_GroupUse(Stmt\GroupUse $node) { |
725: | return 'use ' . $this->pUseType($node->type) . $this->pName($node->prefix) |
726: | . '\{' . $this->pCommaSeparated($node->uses) . '};'; |
727: | } |
728: | |
729: | protected function pStmt_UseUse(Stmt\UseUse $node) { |
730: | return $this->pUseType($node->type) . $this->p($node->name) |
731: | . (null !== $node->alias ? ' as ' . $node->alias : ''); |
732: | } |
733: | |
734: | protected function pUseType($type) { |
735: | return $type === Stmt\Use_::TYPE_FUNCTION ? 'function ' |
736: | : ($type === Stmt\Use_::TYPE_CONSTANT ? 'const ' : ''); |
737: | } |
738: | |
739: | protected function pStmt_Interface(Stmt\Interface_ $node) { |
740: | return $this->pAttrGroups($node->attrGroups) |
741: | . 'interface ' . $node->name |
742: | . (!empty($node->extends) ? ' extends ' . $this->pCommaSeparated($node->extends) : '') |
743: | . $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}'; |
744: | } |
745: | |
746: | protected function pStmt_Enum(Stmt\Enum_ $node) { |
747: | return $this->pAttrGroups($node->attrGroups) |
748: | . 'enum ' . $node->name |
749: | . ($node->scalarType ? " : $node->scalarType" : '') |
750: | . (!empty($node->implements) ? ' implements ' . $this->pCommaSeparated($node->implements) : '') |
751: | . $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}'; |
752: | } |
753: | |
754: | protected function pStmt_Class(Stmt\Class_ $node) { |
755: | return $this->pClassCommon($node, ' ' . $node->name); |
756: | } |
757: | |
758: | protected function pStmt_Trait(Stmt\Trait_ $node) { |
759: | return $this->pAttrGroups($node->attrGroups) |
760: | . 'trait ' . $node->name |
761: | . $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}'; |
762: | } |
763: | |
764: | protected function pStmt_EnumCase(Stmt\EnumCase $node) { |
765: | return $this->pAttrGroups($node->attrGroups) |
766: | . 'case ' . $node->name |
767: | . ($node->expr ? ' = ' . $this->p($node->expr) : '') |
768: | . ';'; |
769: | } |
770: | |
771: | protected function pStmt_TraitUse(Stmt\TraitUse $node) { |
772: | return 'use ' . $this->pCommaSeparated($node->traits) |
773: | . (empty($node->adaptations) |
774: | ? ';' |
775: | : ' {' . $this->pStmts($node->adaptations) . $this->nl . '}'); |
776: | } |
777: | |
778: | protected function pStmt_TraitUseAdaptation_Precedence(Stmt\TraitUseAdaptation\Precedence $node) { |
779: | return $this->p($node->trait) . '::' . $node->method |
780: | . ' insteadof ' . $this->pCommaSeparated($node->insteadof) . ';'; |
781: | } |
782: | |
783: | protected function pStmt_TraitUseAdaptation_Alias(Stmt\TraitUseAdaptation\Alias $node) { |
784: | return (null !== $node->trait ? $this->p($node->trait) . '::' : '') |
785: | . $node->method . ' as' |
786: | . (null !== $node->newModifier ? ' ' . rtrim($this->pModifiers($node->newModifier), ' ') : '') |
787: | . (null !== $node->newName ? ' ' . $node->newName : '') |
788: | . ';'; |
789: | } |
790: | |
791: | protected function pStmt_Property(Stmt\Property $node) { |
792: | return $this->pAttrGroups($node->attrGroups) |
793: | . (0 === $node->flags ? 'var ' : $this->pModifiers($node->flags)) |
794: | . ($node->type ? $this->p($node->type) . ' ' : '') |
795: | . $this->pCommaSeparated($node->props) . ';'; |
796: | } |
797: | |
798: | protected function pStmt_PropertyProperty(Stmt\PropertyProperty $node) { |
799: | return '$' . $node->name |
800: | . (null !== $node->default ? ' = ' . $this->p($node->default) : ''); |
801: | } |
802: | |
803: | protected function pStmt_ClassMethod(Stmt\ClassMethod $node) { |
804: | return $this->pAttrGroups($node->attrGroups) |
805: | . $this->pModifiers($node->flags) |
806: | . 'function ' . ($node->byRef ? '&' : '') . $node->name |
807: | . '(' . $this->pMaybeMultiline($node->params) . ')' |
808: | . (null !== $node->returnType ? ' : ' . $this->p($node->returnType) : '') |
809: | . (null !== $node->stmts |
810: | ? $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}' |
811: | : ';'); |
812: | } |
813: | |
814: | protected function pStmt_ClassConst(Stmt\ClassConst $node) { |
815: | return $this->pAttrGroups($node->attrGroups) |
816: | . $this->pModifiers($node->flags) |
817: | . 'const ' |
818: | . (null !== $node->type ? $this->p($node->type) . ' ' : '') |
819: | . $this->pCommaSeparated($node->consts) . ';'; |
820: | } |
821: | |
822: | protected function pStmt_Function(Stmt\Function_ $node) { |
823: | return $this->pAttrGroups($node->attrGroups) |
824: | . 'function ' . ($node->byRef ? '&' : '') . $node->name |
825: | . '(' . $this->pCommaSeparated($node->params) . ')' |
826: | . (null !== $node->returnType ? ' : ' . $this->p($node->returnType) : '') |
827: | . $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}'; |
828: | } |
829: | |
830: | protected function pStmt_Const(Stmt\Const_ $node) { |
831: | return 'const ' . $this->pCommaSeparated($node->consts) . ';'; |
832: | } |
833: | |
834: | protected function pStmt_Declare(Stmt\Declare_ $node) { |
835: | return 'declare (' . $this->pCommaSeparated($node->declares) . ')' |
836: | . (null !== $node->stmts ? ' {' . $this->pStmts($node->stmts) . $this->nl . '}' : ';'); |
837: | } |
838: | |
839: | protected function pStmt_DeclareDeclare(Stmt\DeclareDeclare $node) { |
840: | return $node->key . '=' . $this->p($node->value); |
841: | } |
842: | |
843: | |
844: | |
845: | protected function pStmt_If(Stmt\If_ $node) { |
846: | return 'if (' . $this->p($node->cond) . ') {' |
847: | . $this->pStmts($node->stmts) . $this->nl . '}' |
848: | . ($node->elseifs ? ' ' . $this->pImplode($node->elseifs, ' ') : '') |
849: | . (null !== $node->else ? ' ' . $this->p($node->else) : ''); |
850: | } |
851: | |
852: | protected function pStmt_ElseIf(Stmt\ElseIf_ $node) { |
853: | return 'elseif (' . $this->p($node->cond) . ') {' |
854: | . $this->pStmts($node->stmts) . $this->nl . '}'; |
855: | } |
856: | |
857: | protected function pStmt_Else(Stmt\Else_ $node) { |
858: | return 'else {' . $this->pStmts($node->stmts) . $this->nl . '}'; |
859: | } |
860: | |
861: | protected function pStmt_For(Stmt\For_ $node) { |
862: | return 'for (' |
863: | . $this->pCommaSeparated($node->init) . ';' . (!empty($node->cond) ? ' ' : '') |
864: | . $this->pCommaSeparated($node->cond) . ';' . (!empty($node->loop) ? ' ' : '') |
865: | . $this->pCommaSeparated($node->loop) |
866: | . ') {' . $this->pStmts($node->stmts) . $this->nl . '}'; |
867: | } |
868: | |
869: | protected function pStmt_Foreach(Stmt\Foreach_ $node) { |
870: | return 'foreach (' . $this->p($node->expr) . ' as ' |
871: | . (null !== $node->keyVar ? $this->p($node->keyVar) . ' => ' : '') |
872: | . ($node->byRef ? '&' : '') . $this->p($node->valueVar) . ') {' |
873: | . $this->pStmts($node->stmts) . $this->nl . '}'; |
874: | } |
875: | |
876: | protected function pStmt_While(Stmt\While_ $node) { |
877: | return 'while (' . $this->p($node->cond) . ') {' |
878: | . $this->pStmts($node->stmts) . $this->nl . '}'; |
879: | } |
880: | |
881: | protected function pStmt_Do(Stmt\Do_ $node) { |
882: | return 'do {' . $this->pStmts($node->stmts) . $this->nl |
883: | . '} while (' . $this->p($node->cond) . ');'; |
884: | } |
885: | |
886: | protected function pStmt_Switch(Stmt\Switch_ $node) { |
887: | return 'switch (' . $this->p($node->cond) . ') {' |
888: | . $this->pStmts($node->cases) . $this->nl . '}'; |
889: | } |
890: | |
891: | protected function pStmt_Case(Stmt\Case_ $node) { |
892: | return (null !== $node->cond ? 'case ' . $this->p($node->cond) : 'default') . ':' |
893: | . $this->pStmts($node->stmts); |
894: | } |
895: | |
896: | protected function pStmt_TryCatch(Stmt\TryCatch $node) { |
897: | return 'try {' . $this->pStmts($node->stmts) . $this->nl . '}' |
898: | . ($node->catches ? ' ' . $this->pImplode($node->catches, ' ') : '') |
899: | . ($node->finally !== null ? ' ' . $this->p($node->finally) : ''); |
900: | } |
901: | |
902: | protected function pStmt_Catch(Stmt\Catch_ $node) { |
903: | return 'catch (' . $this->pImplode($node->types, '|') |
904: | . ($node->var !== null ? ' ' . $this->p($node->var) : '') |
905: | . ') {' . $this->pStmts($node->stmts) . $this->nl . '}'; |
906: | } |
907: | |
908: | protected function pStmt_Finally(Stmt\Finally_ $node) { |
909: | return 'finally {' . $this->pStmts($node->stmts) . $this->nl . '}'; |
910: | } |
911: | |
912: | protected function pStmt_Break(Stmt\Break_ $node) { |
913: | return 'break' . ($node->num !== null ? ' ' . $this->p($node->num) : '') . ';'; |
914: | } |
915: | |
916: | protected function pStmt_Continue(Stmt\Continue_ $node) { |
917: | return 'continue' . ($node->num !== null ? ' ' . $this->p($node->num) : '') . ';'; |
918: | } |
919: | |
920: | protected function pStmt_Return(Stmt\Return_ $node) { |
921: | return 'return' . (null !== $node->expr ? ' ' . $this->p($node->expr) : '') . ';'; |
922: | } |
923: | |
924: | protected function pStmt_Throw(Stmt\Throw_ $node) { |
925: | return 'throw ' . $this->p($node->expr) . ';'; |
926: | } |
927: | |
928: | protected function pStmt_Label(Stmt\Label $node) { |
929: | return $node->name . ':'; |
930: | } |
931: | |
932: | protected function pStmt_Goto(Stmt\Goto_ $node) { |
933: | return 'goto ' . $node->name . ';'; |
934: | } |
935: | |
936: | |
937: | |
938: | protected function pStmt_Expression(Stmt\Expression $node) { |
939: | return $this->p($node->expr) . ';'; |
940: | } |
941: | |
942: | protected function pStmt_Echo(Stmt\Echo_ $node) { |
943: | return 'echo ' . $this->pCommaSeparated($node->exprs) . ';'; |
944: | } |
945: | |
946: | protected function pStmt_Static(Stmt\Static_ $node) { |
947: | return 'static ' . $this->pCommaSeparated($node->vars) . ';'; |
948: | } |
949: | |
950: | protected function pStmt_Global(Stmt\Global_ $node) { |
951: | return 'global ' . $this->pCommaSeparated($node->vars) . ';'; |
952: | } |
953: | |
954: | protected function pStmt_StaticVar(Stmt\StaticVar $node) { |
955: | return $this->p($node->var) |
956: | . (null !== $node->default ? ' = ' . $this->p($node->default) : ''); |
957: | } |
958: | |
959: | protected function pStmt_Unset(Stmt\Unset_ $node) { |
960: | return 'unset(' . $this->pCommaSeparated($node->vars) . ');'; |
961: | } |
962: | |
963: | protected function pStmt_InlineHTML(Stmt\InlineHTML $node) { |
964: | $newline = $node->getAttribute('hasLeadingNewline', true) ? "\n" : ''; |
965: | return '?>' . $newline . $node->value . '<?php '; |
966: | } |
967: | |
968: | protected function pStmt_HaltCompiler(Stmt\HaltCompiler $node) { |
969: | return '__halt_compiler();' . $node->remaining; |
970: | } |
971: | |
972: | protected function pStmt_Nop(Stmt\Nop $node) { |
973: | return ''; |
974: | } |
975: | |
976: | |
977: | |
978: | protected function pClassCommon(Stmt\Class_ $node, $afterClassToken) { |
979: | return $this->pAttrGroups($node->attrGroups, $node->name === null) |
980: | . $this->pModifiers($node->flags) |
981: | . 'class' . $afterClassToken |
982: | . (null !== $node->extends ? ' extends ' . $this->p($node->extends) : '') |
983: | . (!empty($node->implements) ? ' implements ' . $this->pCommaSeparated($node->implements) : '') |
984: | . $this->nl . '{' . $this->pStmts($node->stmts) . $this->nl . '}'; |
985: | } |
986: | |
987: | protected function pObjectProperty($node) { |
988: | if ($node instanceof Expr) { |
989: | return '{' . $this->p($node) . '}'; |
990: | } else { |
991: | return $node; |
992: | } |
993: | } |
994: | |
995: | protected function pEncapsList(array $encapsList, $quote) { |
996: | $return = ''; |
997: | foreach ($encapsList as $element) { |
998: | if ($element instanceof Scalar\EncapsedStringPart) { |
999: | $return .= $this->escapeString($element->value, $quote); |
1000: | } else { |
1001: | $return .= '{' . $this->p($element) . '}'; |
1002: | } |
1003: | } |
1004: | |
1005: | return $return; |
1006: | } |
1007: | |
1008: | protected function pSingleQuotedString(string $string) { |
1009: | return '\'' . addcslashes($string, '\'\\') . '\''; |
1010: | } |
1011: | |
1012: | protected function escapeString($string, $quote) { |
1013: | if (null === $quote) { |
1014: | |
1015: | $escaped = addcslashes($string, "\t\f\v$\\"); |
1016: | } else { |
1017: | $escaped = addcslashes($string, "\n\r\t\f\v$" . $quote . "\\"); |
1018: | } |
1019: | |
1020: | |
1021: | |
1022: | $regex = '/( |
1023: | [\x00-\x08\x0E-\x1F] # Control characters |
1024: | | [\xC0-\xC1] # Invalid UTF-8 Bytes |
1025: | | [\xF5-\xFF] # Invalid UTF-8 Bytes |
1026: | | \xE0(?=[\x80-\x9F]) # Overlong encoding of prior code point |
1027: | | \xF0(?=[\x80-\x8F]) # Overlong encoding of prior code point |
1028: | | [\xC2-\xDF](?![\x80-\xBF]) # Invalid UTF-8 Sequence Start |
1029: | | [\xE0-\xEF](?![\x80-\xBF]{2}) # Invalid UTF-8 Sequence Start |
1030: | | [\xF0-\xF4](?![\x80-\xBF]{3}) # Invalid UTF-8 Sequence Start |
1031: | | (?<=[\x00-\x7F\xF5-\xFF])[\x80-\xBF] # Invalid UTF-8 Sequence Middle |
1032: | | (?<![\xC2-\xDF]|[\xE0-\xEF]|[\xE0-\xEF][\x80-\xBF]|[\xF0-\xF4]|[\xF0-\xF4][\x80-\xBF]|[\xF0-\xF4][\x80-\xBF]{2})[\x80-\xBF] # Overlong Sequence |
1033: | | (?<=[\xE0-\xEF])[\x80-\xBF](?![\x80-\xBF]) # Short 3 byte sequence |
1034: | | (?<=[\xF0-\xF4])[\x80-\xBF](?![\x80-\xBF]{2}) # Short 4 byte sequence |
1035: | | (?<=[\xF0-\xF4][\x80-\xBF])[\x80-\xBF](?![\x80-\xBF]) # Short 4 byte sequence (2) |
1036: | )/x'; |
1037: | return preg_replace_callback($regex, function ($matches) { |
1038: | assert(strlen($matches[0]) === 1); |
1039: | $hex = dechex(ord($matches[0]));; |
1040: | return '\\x' . str_pad($hex, 2, '0', \STR_PAD_LEFT); |
1041: | }, $escaped); |
1042: | } |
1043: | |
1044: | protected function containsEndLabel($string, $label, $atStart = true, $atEnd = true) { |
1045: | $start = $atStart ? '(?:^|[\r\n])' : '[\r\n]'; |
1046: | $end = $atEnd ? '(?:$|[;\r\n])' : '[;\r\n]'; |
1047: | return false !== strpos($string, $label) |
1048: | && preg_match('/' . $start . $label . $end . '/', $string); |
1049: | } |
1050: | |
1051: | protected function encapsedContainsEndLabel(array $parts, $label) { |
1052: | foreach ($parts as $i => $part) { |
1053: | $atStart = $i === 0; |
1054: | $atEnd = $i === count($parts) - 1; |
1055: | if ($part instanceof Scalar\EncapsedStringPart |
1056: | && $this->containsEndLabel($part->value, $label, $atStart, $atEnd) |
1057: | ) { |
1058: | return true; |
1059: | } |
1060: | } |
1061: | return false; |
1062: | } |
1063: | |
1064: | protected function pDereferenceLhs(Node $node) { |
1065: | if (!$this->dereferenceLhsRequiresParens($node)) { |
1066: | return $this->p($node); |
1067: | } else { |
1068: | return '(' . $this->p($node) . ')'; |
1069: | } |
1070: | } |
1071: | |
1072: | protected function pStaticDereferenceLhs(Node $node) { |
1073: | if (!$this->staticDereferenceLhsRequiresParens($node)) { |
1074: | return $this->p($node); |
1075: | } else { |
1076: | return '(' . $this->p($node) . ')'; |
1077: | } |
1078: | } |
1079: | |
1080: | protected function pCallLhs(Node $node) { |
1081: | if (!$this->callLhsRequiresParens($node)) { |
1082: | return $this->p($node); |
1083: | } else { |
1084: | return '(' . $this->p($node) . ')'; |
1085: | } |
1086: | } |
1087: | |
1088: | protected function pNewVariable(Node $node): string { |
1089: | if (!$this->newOperandRequiresParens($node)) { |
1090: | return $this->p($node); |
1091: | } else { |
1092: | return '(' . $this->p($node) . ')'; |
1093: | } |
1094: | } |
1095: | |
1096: | |
1097: | |
1098: | |
1099: | |
1100: | protected function hasNodeWithComments(array $nodes) { |
1101: | foreach ($nodes as $node) { |
1102: | if ($node && $node->getComments()) { |
1103: | return true; |
1104: | } |
1105: | } |
1106: | return false; |
1107: | } |
1108: | |
1109: | protected function pMaybeMultiline(array $nodes, bool $trailingComma = false) { |
1110: | if (!$this->hasNodeWithComments($nodes)) { |
1111: | return $this->pCommaSeparated($nodes); |
1112: | } else { |
1113: | return $this->pCommaSeparatedMultiline($nodes, $trailingComma) . $this->nl; |
1114: | } |
1115: | } |
1116: | |
1117: | protected function pAttrGroups(array $nodes, bool $inline = false): string { |
1118: | $result = ''; |
1119: | $sep = $inline ? ' ' : $this->nl; |
1120: | foreach ($nodes as $node) { |
1121: | $result .= $this->p($node) . $sep; |
1122: | } |
1123: | |
1124: | return $result; |
1125: | } |
1126: | } |
1127: | |