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FPPP: Fix remove + add at start of list

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This commit is contained in:
Nikita Popov 2020-09-22 22:41:02 +02:00
parent 8a97fa157f
commit 88be6127fa
2 changed files with 44 additions and 25 deletions
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48
lib/PhpParser/PrettyPrinterAbstract.php
View File

@ -756,7 +756,7 @@ abstract class PrettyPrinterAbstract
$itemStartPos = $origArrItem->getStartTokenPos();
$itemEndPos = $origArrItem->getEndTokenPos();
\assert($itemStartPos >= 0 && $itemEndPos >= 0);
\assert($itemStartPos >= 0 && $itemEndPos >= 0 && $itemStartPos >= $pos);
$origIndentLevel = $this->indentLevel;
$lastElemIndentLevel = $this->origTokens->getIndentationBefore($itemStartPos) + $indentAdjustment;
@ -767,16 +767,25 @@ abstract class PrettyPrinterAbstract
$commentStartPos = $origComments ? $origComments[0]->getStartTokenPos() : $itemStartPos;
\assert($commentStartPos >= 0);
$commentsChanged = $comments !== $origComments;
if ($commentsChanged) {
// Remove old comments
$itemStartPos = $commentStartPos;
if ($commentStartPos < $pos) {
// Comments may be assigned to multiple nodes if they start at the same position.
// Make sure we don't try to print them multiple times.
$commentStartPos = $itemStartPos;
}
if ($skipRemovedNode) {
if ($isStmtList && $this->origTokens->haveBracesInRange($pos, $itemStartPos)) {
// We'd remove the brace of a code block.
// TODO: Preserve formatting.
$this->setIndentLevel($origIndentLevel);
return null;
}
} else {
$result .= $this->origTokens->getTokenCode(
$pos, $commentStartPos, $indentAdjustment);
}
if (!empty($delayedAdd)) {
$result .= $this->origTokens->getTokenCode(
$pos, $commentStartPos, $indentAdjustment);
/** @var Node $delayedAddNode */
foreach ($delayedAdd as $delayedAddNode) {
if ($insertNewline) {
@ -795,25 +804,16 @@ abstract class PrettyPrinterAbstract
}
}
$result .= $this->origTokens->getTokenCode(
$commentStartPos, $itemStartPos, $indentAdjustment);
$delayedAdd = [];
} else if (!$skipRemovedNode) {
$result .= $this->origTokens->getTokenCode(
$pos, $itemStartPos, $indentAdjustment);
} else {
if ($isStmtList && $this->origTokens->haveBracesInRange($pos, $itemStartPos)) {
// We'd remove the brace of a code block.
// TODO: Preserve formatting.
$this->setIndentLevel($origIndentLevel);
return null;
}
}
if ($commentsChanged && $comments) {
// Add new comments
$result .= $this->pComments($comments) . $this->nl;
if ($comments !== $origComments) {
if ($comments) {
$result .= $this->pComments($comments) . $this->nl;
}
} else {
$result .= $this->origTokens->getTokenCode(
$commentStartPos, $itemStartPos, $indentAdjustment);
}
// If we had to remove anything, we have done so now.

21
test/code/formatPreservation/listInsertion.test
View File

@ -316,4 +316,23 @@ $stmts[0]->returnType->types[] = new Node\Name('C');
-----
<?php
function test(): A
|B|C {}
|B|C {}
-----
<?php
function test() {
if ($x) {
$a;
$b;
}
$z;
}
-----
$fnStmts =& $stmts[0]->stmts;
array_splice($fnStmts, 0, 1, $fnStmts[0]->stmts);
-----
<?php
function test() {
$a;
$b;
$z;
}