87 lines
1.8 KiB
Plaintext
87 lines
1.8 KiB
Plaintext
Pretty printer generates least-parentheses output
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-----
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<?php
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echo 'abc' . 'cde' . 'fgh';
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echo 'abc' . ('cde' . 'fgh');
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echo 'abc' . 1 + 2 . 'fgh';
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echo 'abc' . (1 + 2) . 'fgh';
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echo 1 * 2 + 3 / 4 % 5 . 6;
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echo 1 * (2 + 3) / (4 % (5 . 6));
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$a = $b = $c = $d = $f && true;
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($a = $b = $c = $d = $f) && true;
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$a = $b = $c = $d = $f and true;
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$a = $b = $c = $d = ($f and true);
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$a ? $b : $c ? $d : $e ? $f : $g;
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$a ? $b : ($c ? $d : ($e ? $f : $g));
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$a ? $b ? $c : $d : $f;
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$a ?? $b ?? $c;
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($a ?? $b) ?? $c;
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$a ?? ($b ? $c : $d);
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$a || ($b ?? $c);
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(1 > 0) > (1 < 0);
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++$a + $b;
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$a + $b++;
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$a ** $b ** $c;
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($a ** $b) ** $c;
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-1 ** 2;
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yield from $a and yield from $b;
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yield from ($a and yield from $b);
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print ($a and print $b);
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-(-$a);
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+(+$a);
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-(--$a);
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+(++$a);
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// The following will currently add unnecessary parentheses, because the pretty printer is not aware that assignment
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// and incdec only work on variables.
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!$a = $b;
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++$a ** $b;
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$a ** $b++;
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-----
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echo 'abc' . 'cde' . 'fgh';
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echo 'abc' . ('cde' . 'fgh');
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echo 'abc' . 1 + 2 . 'fgh';
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echo 'abc' . (1 + 2) . 'fgh';
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echo 1 * 2 + 3 / 4 % 5 . 6;
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echo 1 * (2 + 3) / (4 % (5 . 6));
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$a = $b = $c = $d = $f && true;
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($a = $b = $c = $d = $f) && true;
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$a = $b = $c = $d = $f and true;
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$a = $b = $c = $d = ($f and true);
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$a ? $b : $c ? $d : $e ? $f : $g;
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$a ? $b : ($c ? $d : ($e ? $f : $g));
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$a ? $b ? $c : $d : $f;
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$a ?? $b ?? $c;
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($a ?? $b) ?? $c;
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$a ?? ($b ? $c : $d);
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$a || ($b ?? $c);
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(1 > 0) > (1 < 0);
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++$a + $b;
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$a + $b++;
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$a ** $b ** $c;
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($a ** $b) ** $c;
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-1 ** 2;
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yield from $a and yield from $b;
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yield from ($a and yield from $b);
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print ($a and print $b);
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-(-$a);
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+(+$a);
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-(--$a);
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+(++$a);
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// The following will currently add unnecessary parentheses, because the pretty printer is not aware that assignment
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// and incdec only work on variables.
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!($a = $b);
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(++$a) ** $b;
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$a ** ($b++);
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