| @@ 124-145 (lines=22) @@ | ||
| 121 | /** |
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| 122 | * @return Ast\Term|Ast\Disjunction |
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| 123 | */ |
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| 124 | private function disjunction() |
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| 125 | { |
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| 126 | /** @var Ast\Term[] $terms */ |
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| 127 | $terms = []; |
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| 128 | $terms[] = $this->conjunction(); |
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| 129 | ||
| 130 | if ($this->lexer->isNextToken(Tokens::T_SP)) { |
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| 131 | $nextToken = $this->lexer->glimpse(); |
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| 132 | if ($this->isName('or', $nextToken)) { |
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| 133 | $this->match(Tokens::T_SP); |
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| 134 | $this->match(Tokens::T_NAME); |
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| 135 | $this->match(Tokens::T_SP); |
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| 136 | $terms[] = $this->conjunction(); |
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| 137 | } |
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| 138 | } |
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| 139 | ||
| 140 | if (count($terms) == 1) { |
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| 141 | return $terms[0]; |
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| 142 | } |
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| 143 | ||
| 144 | return new Ast\Disjunction($terms); |
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| 145 | } |
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| 146 | ||
| 147 | /** |
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| 148 | * @return Ast\Conjunction|Ast\Factor |
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| @@ 150-170 (lines=21) @@ | ||
| 147 | /** |
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| 148 | * @return Ast\Conjunction|Ast\Factor |
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| 149 | */ |
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| 150 | private function conjunction() |
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| 151 | { |
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| 152 | $factors = []; |
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| 153 | $factors[] = $this->factor(); |
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| 154 | ||
| 155 | if ($this->lexer->isNextToken(Tokens::T_SP)) { |
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| 156 | $nextToken = $this->lexer->glimpse(); |
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| 157 | if ($this->isName('and', $nextToken)) { |
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| 158 | $this->match(Tokens::T_SP); |
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| 159 | $this->match(Tokens::T_NAME); |
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| 160 | $this->match(Tokens::T_SP); |
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| 161 | $factors[] = $this->factor(); |
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| 162 | } |
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| 163 | } |
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| 164 | ||
| 165 | if (count($factors) == 1) { |
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| 166 | return $factors[0]; |
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| 167 | } |
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| 168 | ||
| 169 | return new Ast\Conjunction($factors); |
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| 170 | } |
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| 171 | ||
| 172 | /** |
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| 173 | * @return Ast\Filter |
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