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Micro-optimizations #162

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afb633b
Micro-optimize quoted string sub regexes
rvanvelzen Nov 14, 2022
f884b3c
Micro-optimize TokenIterator::joinUntil()
rvanvelzen Nov 14, 2022
d0e6a7b
Prevent creating heavy exception before parsing const exprs
rvanvelzen Nov 14, 2022
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Micro-optimize quoted string sub regexes
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@rvanvelzen
rvanvelzen committed Nov 14, 2022
commit afb633b676d46db6a0187995a8d1d7514fc2bbdd
4 changes: 2 additions & 2 deletions src/Lexer/Lexer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -151,8 +151,8 @@ private function generateRegexp(): string

self::TOKEN_FLOAT => '(?:-?[0-9]++\\.[0-9]*+(?:e-?[0-9]++)?)|(?:-?[0-9]*+\\.[0-9]++(?:e-?[0-9]++)?)|(?:-?[0-9]++e-?[0-9]++)',
self::TOKEN_INTEGER => '-?(?:(?:0b[0-1]++)|(?:0o[0-7]++)|(?:0x[0-9a-f]++)|(?:[0-9]++))',
self::TOKEN_SINGLE_QUOTED_STRING => '\'(?:\\\\[^\\r\\n]|[^\'\\r\\n\\\\])*+\'',
self::TOKEN_DOUBLE_QUOTED_STRING => '"(?:\\\\[^\\r\\n]|[^"\\r\\n\\\\])*+"',
self::TOKEN_SINGLE_QUOTED_STRING => '\'(?:\\\\[^\\r\\n]|[^\'\\r\\n\\\\]++)*+\'',
self::TOKEN_DOUBLE_QUOTED_STRING => '"(?:\\\\[^\\r\\n]|[^"\\r\\n\\\\]++)*+"',

self::TOKEN_WILDCARD => '\\*',

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