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https://github.com/retailcrm/graphql-php.git
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[style changes] Lexer
This commit is contained in:
Andreas Heiberg
vladar
parent
d8ca5f4183
commit
b2c8d8eeb1
@ -110,43 +110,46 @@ class Lexer
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// SourceCharacter
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if ($code < 0x0020 && $code !== 0x0009 && $code !== 0x000A && $code !== 0x000D) {
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throw new SyntaxError($this->source, $position, 'Invalid character ' . Utils::printCharCode($code));
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throw new SyntaxError(
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$this->source,
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$position,
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'Invalid character ' . Utils::printCharCode($code)
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);
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}
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switch ($code) {
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// !
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case 33: return new Token(Token::BANG, $position, $position + 1, $line, $col, $prev);
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// #
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case 35: return $this->readComment($position, $line, $col, $prev);
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// $
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case 36: return new Token(Token::DOLLAR, $position, $position + 1, $line, $col, $prev);
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// (
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case 40: return new Token(Token::PAREN_L, $position, $position + 1, $line, $col, $prev);
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// )
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case 41: return new Token(Token::PAREN_R, $position, $position + 1, $line, $col, $prev);
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// .
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case 46:
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case 33: // !
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return new Token(Token::BANG, $position, $position + 1, $line, $col, $prev);
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case 35: // #
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return $this->readComment($position, $line, $col, $prev);
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case 36: // $
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return new Token(Token::DOLLAR, $position, $position + 1, $line, $col, $prev);
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case 40: // (
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return new Token(Token::PAREN_L, $position, $position + 1, $line, $col, $prev);
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case 41: // )
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return new Token(Token::PAREN_R, $position, $position + 1, $line, $col, $prev);
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case 46: // .
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if (Utils::charCodeAt($body, $position+1) === 46 &&
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Utils::charCodeAt($body, $position+2) === 46) {
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return new Token(Token::SPREAD, $position, $position + 3, $line, $col, $prev);
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}
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break;
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// :
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case 58: return new Token(Token::COLON, $position, $position + 1, $line, $col, $prev);
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// =
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case 61: return new Token(Token::EQUALS, $position, $position + 1, $line, $col, $prev);
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// @
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case 64: return new Token(Token::AT, $position, $position + 1, $line, $col, $prev);
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// [
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case 91: return new Token(Token::BRACKET_L, $position, $position + 1, $line, $col, $prev);
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// ]
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case 93: return new Token(Token::BRACKET_R, $position, $position + 1, $line, $col, $prev);
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// {
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case 123: return new Token(Token::BRACE_L, $position, $position + 1, $line, $col, $prev);
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// |
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case 124: return new Token(Token::PIPE, $position, $position + 1, $line, $col, $prev);
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// }
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case 125: return new Token(Token::BRACE_R, $position, $position + 1, $line, $col, $prev);
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case 58: // :
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return new Token(Token::COLON, $position, $position + 1, $line, $col, $prev);
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case 61: // =
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return new Token(Token::EQUALS, $position, $position + 1, $line, $col, $prev);
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case 64: // @
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return new Token(Token::AT, $position, $position + 1, $line, $col, $prev);
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case 91: // [
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return new Token(Token::BRACKET_L, $position, $position + 1, $line, $col, $prev);
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case 93: // ]
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return new Token(Token::BRACKET_R, $position, $position + 1, $line, $col, $prev);
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case 123: // {
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return new Token(Token::BRACE_L, $position, $position + 1, $line, $col, $prev);
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case 124: // |
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return new Token(Token::PIPE, $position, $position + 1, $line, $col, $prev);
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case 125: // }
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return new Token(Token::BRACE_R, $position, $position + 1, $line, $col, $prev);
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// A-Z
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case 65: case 66: case 67: case 68: case 69: case 70: case 71: case 72:
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case 73: case 74: case 75: case 76: case 77: case 78: case 79: case 80:
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@ -167,10 +170,15 @@ class Lexer
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case 53: case 54: case 55: case 56: case 57:
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return $this->readNumber($position, $code, $line, $col, $prev);
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// "
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case 34: return $this->readString($position, $line, $col, $prev);
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case 34:
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return $this->readString($position, $line, $col, $prev);
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}
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throw new SyntaxError($this->source, $position, 'Unexpected character ' . Utils::printCharCode($code));
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throw new SyntaxError(
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$this->source,
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$position,
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'Unexpected character ' . Utils::printCharCode($code)
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);
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}
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/**
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@ -239,6 +247,7 @@ class Lexer
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$code = Utils::charCodeAt($body, ++$position);
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}
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// guard against leading zero's
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if ($code === 48) { // 0
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$code = Utils::charCodeAt($body, ++$position);
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@ -267,6 +276,7 @@ class Lexer
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}
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$position = $this->readDigits($position, $code);
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}
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return new Token(
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$isFloat ? Token::FLOAT : Token::INT,
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$start,
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@ -286,6 +296,7 @@ class Lexer
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$body = $this->source->body;
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$position = $start;
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$code = $firstCode;
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if ($code >= 48 && $code <= 57) { // 0 - 9
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do {
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$code = Utils::charCodeAt($body, ++$position);
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@ -293,10 +304,16 @@ class Lexer
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return $position;
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}
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if ($position > $this->source->length - 1) {
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$code = null;
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}
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throw new SyntaxError($this->source, $position, "Invalid number, expected digit but got: " . Utils::printCharCode($code));
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throw new SyntaxError(
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$this->source,
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$position,
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'Invalid number, expected digit but got: ' . Utils::printCharCode($code)
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);
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}
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/**
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@ -343,7 +360,11 @@ class Lexer
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case 117:
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$hex = mb_substr($body, $position + 1, 4, 'UTF-8');
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if (!preg_match('/[0-9a-fA-F]{4}/', $hex)) {
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throw new SyntaxError($this->source, $position, 'Invalid character escape sequence: \\u' . $hex);
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throw new SyntaxError(
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$this->source,
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$position,
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'Invalid character escape sequence: \\u' . $hex
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);
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}
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$code = hexdec($hex);
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$this->assertValidStringCharacterCode($code, $position - 1);
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@ -351,7 +372,11 @@ class Lexer
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$position += 4;
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break;
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default:
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throw new SyntaxError($this->source, $position, 'Invalid character escape sequence: \\' . Utils::chr($code));
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throw new SyntaxError(
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$this->source,
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$position,
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'Invalid character escape sequence: \\' . Utils::chr($code)
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);
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}
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++$position;
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$chunkStart = $position;
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@ -359,11 +384,24 @@ class Lexer
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}
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if ($code !== 34) {
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throw new SyntaxError($this->source, $position, 'Unterminated string');
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throw new SyntaxError(
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$this->source,
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$position,
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'Unterminated string'
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);
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}
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$value .= mb_substr($body, $chunkStart, $position - $chunkStart, 'UTF-8');
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return new Token(Token::STRING, $start, $position + 1, $line, $col, $prev, $value);
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return new Token(
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Token::STRING,
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$start,
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$position + 1,
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$line,
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$col,
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$prev,
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$value
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);
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}
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private function assertValidStringCharacterCode($code, $position)
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@ -373,7 +411,7 @@ class Lexer
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throw new SyntaxError(
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$this->source,
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$position,
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"Invalid character within String: " . Utils::printCharCode($code)
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'Invalid character within String: ' . Utils::printCharCode($code)
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);
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}
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}
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@ -415,6 +453,7 @@ class Lexer
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break;
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}
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}
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return $position;
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}
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