diff options
Diffstat (limited to 'src/Lexer.php')
| -rw-r--r-- | src/Lexer.php | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/src/Lexer.php b/src/Lexer.php index 2b980ab..be92301 100644 --- a/src/Lexer.php +++ b/src/Lexer.php @@ -106,8 +106,8 @@ class Lexer /** * Constructor. * - * @param string|UtfString $str - * @param bool $strict + * @param string|UtfString $str The query to be lexed. + * @param bool $strict Whether strict mode should be enabled or not. */ public function __construct($str, $strict = false) { @@ -120,8 +120,6 @@ class Lexer /** * Parses the string and extracts lexems. - * - * @param string|UtfString $str */ public function lex() { @@ -153,11 +151,15 @@ class Lexer if ($this->delimiter !== $this->str[$this->last]) { $this->error('Unexpected character.', $this->str[$this->last], $this->last); } - } elseif (($token->type === Token::TYPE_SYMBOL) && ($token->flags & Token::FLAG_SYMBOL_VARIABLE) && - ($lastToken !== null)) { + } elseif (($token->type === Token::TYPE_SYMBOL) + && ($token->flags & Token::FLAG_SYMBOL_VARIABLE) + && ($lastToken !== null) + ) { // Handles ```... FROM 'user'@'%' ...```. - if ((($lastToken->type === Token::TYPE_SYMBOL) && ($lastToken->flags & Token::FLAG_SYMBOL_BACKTICK)) || - ($lastToken->type === Token::TYPE_STRING)) { + if ((($lastToken->type === Token::TYPE_SYMBOL) + && ($lastToken->flags & Token::FLAG_SYMBOL_BACKTICK)) + || ($lastToken->type === Token::TYPE_STRING) + ) { $lastToken->token .= $token->token; $lastToken->type = Token::TYPE_SYMBOL; $lastToken->flags = Token::FLAG_SYMBOL_USER; @@ -199,9 +201,10 @@ class Lexer /** * Creates a new error log. * - * @param string $msg - * @param string $str - * @param int $code + * @param string $msg The error message. + * @param string $ch The character that produced the error. + * @param int $pos The position of the character. + * @param int $code The code of the error. */ public function error($msg = '', $str = '', $pos = 0, $code = 0) { @@ -427,8 +430,9 @@ class Lexer } elseif ($this->str[$this->last] === '-') { $flags |= Token::FLAG_NUMBER_NEGATIVE; // Do nothing. - } elseif (($this->str[$this->last] === '0') && ($this->last + 1 < $this->len) && - (($this->str[$this->last + 1] === 'x') || ($this->str[$this->last + 1] === 'X'))) { + } elseif (($this->str[$this->last] === '0') && ($this->last + 1 < $this->len) + && (($this->str[$this->last + 1] === 'x') || ($this->str[$this->last + 1] === 'X')) + ) { $token .= $this->str[$this->last++]; $state = 2; } elseif (($this->str[$this->last] >= '0') && ($this->str[$this->last] <= '9')) { @@ -440,9 +444,10 @@ class Lexer } } elseif ($state === 2) { $flags |= Token::FLAG_NUMBER_HEX; - if ((($this->str[$this->last] >= '0') && ($this->str[$this->last] <= '9')) || - (($this->str[$this->last] >= 'A') && ($this->str[$this->last] <= 'F')) || - (($this->str[$this->last] >= 'a') && ($this->str[$this->last] <= 'f'))) { + if ((($this->str[$this->last] >= '0') && ($this->str[$this->last] <= '9')) + || (($this->str[$this->last] >= 'A') && ($this->str[$this->last] <= 'F')) + || (($this->str[$this->last] >= 'a') && ($this->str[$this->last] <= 'f')) + ) { // Do nothing. } else { break; @@ -494,7 +499,7 @@ class Lexer /** * Parses a string. * - * @param string $quote Additional start symbol. + * @param string $quote Additional starting symbol. * * @return Token */ @@ -507,9 +512,10 @@ class Lexer $quote = $token; while (++$this->last < $this->len) { - if (($this->last + 1 < $this->len) && - ((($this->str[$this->last] === $quote) && ($this->str[$this->last + 1] === $quote)) || - (($this->str[$this->last] === '\\') && ($quote !== '`')))) { + if (($this->last + 1 < $this->len) + && ((($this->str[$this->last] === $quote) && ($this->str[$this->last + 1] === $quote)) + || (($this->str[$this->last] === '\\') && ($quote !== '`'))) + ) { $token .= $this->str[$this->last] . $this->str[++$this->last]; } else { if ($this->str[$this->last] === $quote) { |