webonyx /
graphql-php
| Total Complexity | 185 |
| Total Lines | 1622 |
| Duplicated Lines | 0 % |
| Coverage | 98.9% |
| Changes | 0 | ||
Complex classes like Parser often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Parser, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 61 | class Parser |
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| 62 | { |
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| 63 | /** |
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| 64 | * Given a GraphQL source, parses it into a `GraphQL\Language\AST\DocumentNode`. |
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| 65 | * Throws `GraphQL\Error\SyntaxError` if a syntax error is encountered. |
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| 66 | * |
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| 67 | * Available options: |
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| 68 | * |
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| 69 | * noLocation: boolean, |
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| 70 | * (By default, the parser creates AST nodes that know the location |
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| 71 | * in the source that they correspond to. This configuration flag |
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| 72 | * disables that behavior for performance or testing.) |
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| 73 | * |
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| 74 | * allowLegacySDLEmptyFields: boolean |
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| 75 | * If enabled, the parser will parse empty fields sets in the Schema |
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| 76 | * Definition Language. Otherwise, the parser will follow the current |
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| 77 | * specification. |
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| 78 | * |
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| 79 | * This option is provided to ease adoption of the final SDL specification |
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| 80 | * and will be removed in a future major release. |
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| 81 | * |
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| 82 | * allowLegacySDLImplementsInterfaces: boolean |
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| 83 | * If enabled, the parser will parse implemented interfaces with no `&` |
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| 84 | * character between each interface. Otherwise, the parser will follow the |
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| 85 | * current specification. |
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| 86 | * |
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| 87 | * This option is provided to ease adoption of the final SDL specification |
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| 88 | * and will be removed in a future major release. |
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| 89 | * |
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| 90 | * experimentalFragmentVariables: boolean, |
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| 91 | * (If enabled, the parser will understand and parse variable definitions |
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| 92 | * contained in a fragment definition. They'll be represented in the |
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| 93 | * `variableDefinitions` field of the FragmentDefinitionNode. |
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| 94 | * |
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| 95 | * The syntax is identical to normal, query-defined variables. For example: |
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| 96 | * |
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| 97 | * fragment A($var: Boolean = false) on T { |
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| 98 | * ... |
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| 99 | * } |
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| 100 | * |
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| 101 | * Note: this feature is experimental and may change or be removed in the |
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| 102 | * future.) |
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| 103 | * |
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| 104 | * @api |
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| 105 | * @param Source|string $source |
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| 106 | * @param bool[] $options |
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| 107 | * @return DocumentNode |
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| 108 | * @throws SyntaxError |
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| 109 | */ |
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| 110 | 815 | public static function parse($source, array $options = []) |
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| 111 | { |
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| 112 | 815 | $sourceObj = $source instanceof Source ? $source : new Source($source); |
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| 113 | 812 | $parser = new self($sourceObj, $options); |
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| 114 | |||
| 115 | 812 | return $parser->parseDocument(); |
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| 116 | } |
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| 117 | |||
| 118 | /** |
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| 119 | * Given a string containing a GraphQL value (ex. `[42]`), parse the AST for |
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| 120 | * that value. |
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| 121 | * Throws `GraphQL\Error\SyntaxError` if a syntax error is encountered. |
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| 122 | * |
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| 123 | * This is useful within tools that operate upon GraphQL Values directly and |
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| 124 | * in isolation of complete GraphQL documents. |
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| 125 | * |
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| 126 | * Consider providing the results to the utility function: `GraphQL\Utils\AST::valueFromAST()`. |
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| 127 | * |
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| 128 | * @api |
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| 129 | * @param Source|string $source |
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| 130 | * @param bool[] $options |
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| 131 | * @return BooleanValueNode|EnumValueNode|FloatValueNode|IntValueNode|ListValueNode|ObjectValueNode|StringValueNode|VariableNode |
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| 132 | */ |
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| 133 | 21 | public static function parseValue($source, array $options = []) |
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| 134 | { |
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| 135 | 21 | $sourceObj = $source instanceof Source ? $source : new Source($source); |
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| 136 | 21 | $parser = new Parser($sourceObj, $options); |
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| 137 | 21 | $parser->expect(Token::SOF); |
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| 138 | 21 | $value = $parser->parseValueLiteral(false); |
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| 139 | 21 | $parser->expect(Token::EOF); |
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| 140 | |||
| 141 | 21 | return $value; |
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| 142 | } |
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| 143 | |||
| 144 | /** |
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| 145 | * Given a string containing a GraphQL Type (ex. `[Int!]`), parse the AST for |
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| 146 | * that type. |
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| 147 | * Throws `GraphQL\Error\SyntaxError` if a syntax error is encountered. |
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| 148 | * |
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| 149 | * This is useful within tools that operate upon GraphQL Types directly and |
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| 150 | * in isolation of complete GraphQL documents. |
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| 151 | * |
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| 152 | * Consider providing the results to the utility function: `GraphQL\Utils\AST::typeFromAST()`. |
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| 153 | * |
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| 154 | * @api |
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| 155 | * @param Source|string $source |
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| 156 | * @param bool[] $options |
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| 157 | * @return ListTypeNode|NameNode|NonNullTypeNode |
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| 158 | */ |
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| 159 | 5 | public static function parseType($source, array $options = []) |
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| 160 | { |
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| 161 | 5 | $sourceObj = $source instanceof Source ? $source : new Source($source); |
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| 162 | 5 | $parser = new Parser($sourceObj, $options); |
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| 163 | 5 | $parser->expect(Token::SOF); |
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| 164 | 5 | $type = $parser->parseTypeReference(); |
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| 165 | 5 | $parser->expect(Token::EOF); |
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| 166 | |||
| 167 | 5 | return $type; |
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| 168 | } |
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| 169 | |||
| 170 | /** @var Lexer */ |
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| 171 | private $lexer; |
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| 172 | |||
| 173 | /** |
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| 174 | * |
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| 175 | * @param bool[] $options |
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| 176 | */ |
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| 177 | 838 | public function __construct(Source $source, array $options = []) |
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| 178 | { |
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| 179 | 838 | $this->lexer = new Lexer($source, $options); |
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| 180 | 838 | } |
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| 181 | |||
| 182 | /** |
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| 183 | * Returns a location object, used to identify the place in |
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| 184 | * the source that created a given parsed object. |
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| 185 | * |
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| 186 | * @return Location|null |
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| 187 | */ |
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| 188 | 830 | private function loc(Token $startToken) |
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| 189 | { |
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| 190 | 830 | if (empty($this->lexer->options['noLocation'])) { |
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| 191 | 813 | return new Location($startToken, $this->lexer->lastToken, $this->lexer->source); |
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| 192 | } |
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| 193 | |||
| 194 | 17 | return null; |
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| 195 | } |
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| 196 | |||
| 197 | /** |
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| 198 | * Determines if the next token is of a given kind |
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| 199 | * |
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| 200 | * @param string $kind |
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| 201 | * @return bool |
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| 202 | */ |
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| 203 | 812 | private function peek($kind) |
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| 204 | { |
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| 205 | 812 | return $this->lexer->token->kind === $kind; |
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| 206 | } |
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| 207 | |||
| 208 | /** |
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| 209 | * If the next token is of the given kind, return true after advancing |
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| 210 | * the parser. Otherwise, do not change the parser state and return false. |
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| 211 | * |
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| 212 | * @param string $kind |
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| 213 | * @return bool |
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| 214 | */ |
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| 215 | 818 | private function skip($kind) |
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| 216 | { |
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| 217 | 818 | $match = $this->lexer->token->kind === $kind; |
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| 218 | |||
| 219 | 818 | if ($match) { |
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| 220 | 814 | $this->lexer->advance(); |
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| 221 | } |
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| 222 | |||
| 223 | 818 | return $match; |
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| 224 | } |
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| 225 | |||
| 226 | /** |
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| 227 | * If the next token is of the given kind, return that token after advancing |
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| 228 | * the parser. Otherwise, do not change the parser state and return false. |
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| 229 | * @param string $kind |
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| 230 | * @return Token |
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| 231 | * @throws SyntaxError |
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| 232 | */ |
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| 233 | 838 | private function expect($kind) |
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| 234 | { |
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| 235 | 838 | $token = $this->lexer->token; |
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| 236 | |||
| 237 | 838 | if ($token->kind === $kind) { |
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| 238 | 838 | $this->lexer->advance(); |
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| 239 | |||
| 240 | 838 | return $token; |
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| 241 | } |
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| 242 | |||
| 243 | 11 | throw new SyntaxError( |
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| 244 | 11 | $this->lexer->source, |
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| 245 | 11 | $token->start, |
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| 246 | 11 | sprintf('Expected %s, found %s', $kind, $token->getDescription()) |
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| 247 | ); |
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| 248 | } |
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| 249 | |||
| 250 | /** |
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| 251 | * If the next token is a keyword with the given value, return that token after |
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| 252 | * advancing the parser. Otherwise, do not change the parser state and return |
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| 253 | * false. |
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| 254 | * |
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| 255 | * @param string $value |
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| 256 | * @return Token |
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| 257 | * @throws SyntaxError |
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| 258 | */ |
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| 259 | 330 | private function expectKeyword($value) |
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| 260 | { |
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| 261 | 330 | $token = $this->lexer->token; |
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| 262 | |||
| 263 | 330 | if ($token->kind === Token::NAME && $token->value === $value) { |
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| 264 | 330 | $this->lexer->advance(); |
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| 265 | |||
| 266 | 330 | return $token; |
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| 267 | } |
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| 268 | 2 | throw new SyntaxError( |
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| 269 | 2 | $this->lexer->source, |
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| 270 | 2 | $token->start, |
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| 271 | 2 | 'Expected "' . $value . '", found ' . $token->getDescription() |
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| 272 | ); |
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| 273 | } |
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| 274 | |||
| 275 | /** |
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| 276 | * @return SyntaxError |
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| 277 | */ |
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| 278 | 9 | private function unexpected(?Token $atToken = null) |
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| 279 | { |
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| 280 | 9 | $token = $atToken ?: $this->lexer->token; |
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| 281 | |||
| 282 | 9 | return new SyntaxError($this->lexer->source, $token->start, 'Unexpected ' . $token->getDescription()); |
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| 283 | } |
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| 284 | |||
| 285 | /** |
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| 286 | * Returns a possibly empty list of parse nodes, determined by |
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| 287 | * the parseFn. This list begins with a lex token of openKind |
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| 288 | * and ends with a lex token of closeKind. Advances the parser |
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| 289 | * to the next lex token after the closing token. |
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| 290 | * |
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| 291 | * @param string $openKind |
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| 292 | * @param callable $parseFn |
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| 293 | * @param string $closeKind |
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| 294 | * @return NodeList |
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| 295 | * @throws SyntaxError |
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| 296 | */ |
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| 297 | 34 | private function any($openKind, $parseFn, $closeKind) |
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| 298 | { |
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| 299 | 34 | $this->expect($openKind); |
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| 300 | |||
| 301 | 34 | $nodes = []; |
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| 302 | 34 | while (! $this->skip($closeKind)) { |
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| 303 | 32 | $nodes[] = $parseFn($this); |
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| 304 | } |
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| 305 | |||
| 306 | 33 | return new NodeList($nodes); |
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| 307 | } |
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| 308 | |||
| 309 | /** |
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| 310 | * Returns a non-empty list of parse nodes, determined by |
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| 311 | * the parseFn. This list begins with a lex token of openKind |
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| 312 | * and ends with a lex token of closeKind. Advances the parser |
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| 313 | * to the next lex token after the closing token. |
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| 314 | * |
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| 315 | * @param string $openKind |
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| 316 | * @param callable $parseFn |
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| 317 | * @param string $closeKind |
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| 318 | * @return NodeList |
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| 319 | * @throws SyntaxError |
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| 320 | */ |
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| 321 | 793 | private function many($openKind, $parseFn, $closeKind) |
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| 322 | { |
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| 323 | 793 | $this->expect($openKind); |
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| 324 | |||
| 325 | 792 | $nodes = [$parseFn($this)]; |
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| 326 | 786 | while (! $this->skip($closeKind)) { |
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| 327 | 314 | $nodes[] = $parseFn($this); |
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| 328 | } |
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| 329 | |||
| 330 | 785 | return new NodeList($nodes); |
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| 331 | } |
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| 332 | |||
| 333 | /** |
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| 334 | * Converts a name lex token into a name parse node. |
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| 335 | * |
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| 336 | * @return NameNode |
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| 337 | * @throws SyntaxError |
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| 338 | */ |
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| 339 | 818 | private function parseName() |
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| 340 | { |
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| 341 | 818 | $token = $this->expect(Token::NAME); |
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| 342 | |||
| 343 | 816 | return new NameNode([ |
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| 344 | 816 | 'value' => $token->value, |
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| 345 | 816 | 'loc' => $this->loc($token), |
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| 346 | ]); |
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| 347 | } |
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| 348 | |||
| 349 | /** |
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| 350 | * Implements the parsing rules in the Document section. |
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| 351 | * |
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| 352 | * @return DocumentNode |
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| 353 | * @throws SyntaxError |
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| 354 | */ |
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| 355 | 812 | private function parseDocument() |
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| 356 | { |
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| 357 | 812 | $start = $this->lexer->token; |
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| 358 | 812 | $this->expect(Token::SOF); |
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| 359 | |||
| 360 | 812 | $definitions = []; |
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| 361 | do { |
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| 362 | 812 | $definitions[] = $this->parseDefinition(); |
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| 363 | 793 | } while (! $this->skip(Token::EOF)); |
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| 364 | |||
| 365 | 791 | return new DocumentNode([ |
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| 366 | 791 | 'definitions' => new NodeList($definitions), |
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| 367 | 791 | 'loc' => $this->loc($start), |
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| 368 | ]); |
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| 369 | } |
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| 370 | |||
| 371 | /** |
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| 372 | * @return ExecutableDefinitionNode|TypeSystemDefinitionNode |
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| 373 | * @throws SyntaxError |
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| 374 | */ |
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| 375 | 812 | private function parseDefinition() |
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| 376 | { |
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| 377 | 812 | if ($this->peek(Token::NAME)) { |
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| 378 | 528 | switch ($this->lexer->token->value) { |
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| 379 | 528 | case 'query': |
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| 380 | 347 | case 'mutation': |
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| 381 | 335 | case 'subscription': |
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| 382 | 330 | case 'fragment': |
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| 383 | 402 | return $this->parseExecutableDefinition(); |
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| 384 | |||
| 385 | // Note: The schema definition language is an experimental addition. |
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| 386 | 130 | case 'schema': |
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| 387 | 127 | case 'scalar': |
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| 388 | 126 | case 'type': |
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| 389 | 78 | case 'interface': |
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| 390 | 57 | case 'union': |
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| 391 | 40 | case 'enum': |
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| 392 | 31 | case 'input': |
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| 393 | 16 | case 'extend': |
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| 394 | 9 | case 'directive': |
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| 395 | // Note: The schema definition language is an experimental addition. |
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| 396 | 130 | return $this->parseTypeSystemDefinition(); |
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| 397 | } |
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| 398 | 323 | } elseif ($this->peek(Token::BRACE_L)) { |
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| 399 | 316 | return $this->parseExecutableDefinition(); |
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| 400 | 7 | } elseif ($this->peekDescription()) { |
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| 401 | // Note: The schema definition language is an experimental addition. |
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| 402 | 6 | return $this->parseTypeSystemDefinition(); |
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| 403 | } |
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| 404 | |||
| 405 | 3 | throw $this->unexpected(); |
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| 406 | } |
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| 407 | |||
| 408 | /** |
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| 409 | * @return ExecutableDefinitionNode |
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| 410 | * @throws SyntaxError |
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| 411 | */ |
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| 412 | 687 | private function parseExecutableDefinition() |
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| 413 | { |
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| 414 | 687 | if ($this->peek(Token::NAME)) { |
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| 415 | 402 | switch ($this->lexer->token->value) { |
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| 416 | 402 | case 'query': |
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| 417 | 218 | case 'mutation': |
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| 418 | 206 | case 'subscription': |
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| 419 | 265 | return $this->parseOperationDefinition(); |
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| 420 | |||
| 421 | 201 | case 'fragment': |
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| 422 | 201 | return $this->parseFragmentDefinition(); |
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| 423 | } |
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| 424 | 316 | } elseif ($this->peek(Token::BRACE_L)) { |
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| 425 | 316 | return $this->parseOperationDefinition(); |
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| 426 | } |
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| 427 | |||
| 428 | throw $this->unexpected(); |
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| 429 | } |
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| 430 | |||
| 431 | // Implements the parsing rules in the Operations section. |
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| 432 | |||
| 433 | /** |
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| 434 | * @return OperationDefinitionNode |
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| 435 | * @throws SyntaxError |
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| 436 | */ |
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| 437 | 570 | private function parseOperationDefinition() |
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| 438 | { |
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| 439 | 570 | $start = $this->lexer->token; |
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| 440 | 570 | if ($this->peek(Token::BRACE_L)) { |
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| 441 | 316 | return new OperationDefinitionNode([ |
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| 442 | 316 | 'operation' => 'query', |
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| 443 | 'name' => null, |
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| 444 | 316 | 'variableDefinitions' => new NodeList([]), |
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| 445 | 316 | 'directives' => new NodeList([]), |
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| 446 | 316 | 'selectionSet' => $this->parseSelectionSet(), |
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| 447 | 312 | 'loc' => $this->loc($start), |
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| 448 | ]); |
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| 449 | } |
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| 450 | |||
| 451 | 265 | $operation = $this->parseOperationType(); |
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| 452 | |||
| 453 | 265 | $name = null; |
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| 454 | 265 | if ($this->peek(Token::NAME)) { |
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| 455 | 249 | $name = $this->parseName(); |
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| 456 | } |
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| 457 | |||
| 458 | 265 | return new OperationDefinitionNode([ |
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| 459 | 265 | 'operation' => $operation, |
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| 460 | 265 | 'name' => $name, |
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| 461 | 265 | 'variableDefinitions' => $this->parseVariableDefinitions(), |
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| 462 | 264 | 'directives' => $this->parseDirectives(false), |
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| 463 | 264 | 'selectionSet' => $this->parseSelectionSet(), |
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| 464 | 263 | 'loc' => $this->loc($start), |
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| 465 | ]); |
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| 466 | } |
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| 467 | |||
| 468 | /** |
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| 469 | * @return string |
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| 470 | * @throws SyntaxError |
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| 471 | */ |
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| 472 | 317 | private function parseOperationType() |
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| 473 | { |
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| 474 | 317 | $operationToken = $this->expect(Token::NAME); |
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| 475 | 317 | switch ($operationToken->value) { |
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| 476 | 317 | case 'query': |
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| 477 | 308 | return 'query'; |
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| 478 | 38 | case 'mutation': |
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| 479 | 30 | return 'mutation'; |
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| 480 | 18 | case 'subscription': |
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| 481 | 18 | return 'subscription'; |
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| 482 | } |
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| 483 | |||
| 484 | throw $this->unexpected($operationToken); |
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| 485 | } |
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| 486 | |||
| 487 | /** |
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| 488 | * @return VariableDefinitionNode[]|NodeList |
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| 489 | */ |
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| 490 | 268 | private function parseVariableDefinitions() |
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| 491 | { |
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| 492 | 268 | return $this->peek(Token::PAREN_L) ? |
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| 493 | 123 | $this->many( |
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| 494 | 123 | Token::PAREN_L, |
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| 495 | function () { |
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| 496 | 123 | return $this->parseVariableDefinition(); |
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| 497 | 123 | }, |
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| 498 | 123 | Token::PAREN_R |
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| 499 | ) : |
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| 500 | 267 | new NodeList([]); |
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| 501 | } |
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| 502 | |||
| 503 | /** |
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| 504 | * @return VariableDefinitionNode |
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| 505 | * @throws SyntaxError |
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| 506 | */ |
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| 507 | 123 | private function parseVariableDefinition() |
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| 508 | { |
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| 509 | 123 | $start = $this->lexer->token; |
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| 510 | 123 | $var = $this->parseVariable(); |
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| 511 | |||
| 512 | 123 | $this->expect(Token::COLON); |
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| 513 | 123 | $type = $this->parseTypeReference(); |
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| 514 | |||
| 515 | 123 | return new VariableDefinitionNode([ |
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| 516 | 123 | 'variable' => $var, |
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| 517 | 123 | 'type' => $type, |
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| 518 | 'defaultValue' => |
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| 519 | 123 | ($this->skip(Token::EQUALS) ? $this->parseValueLiteral(true) : null), |
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| 520 | 122 | 'loc' => $this->loc($start), |
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| 521 | ]); |
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| 522 | } |
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| 523 | |||
| 524 | /** |
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| 525 | * @return VariableNode |
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| 526 | * @throws SyntaxError |
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| 527 | */ |
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| 528 | 132 | private function parseVariable() |
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| 536 | ]); |
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| 537 | } |
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| 538 | |||
| 539 | /** |
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| 540 | * @return SelectionSetNode |
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| 541 | */ |
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| 542 | 685 | private function parseSelectionSet() |
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| 543 | { |
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| 544 | 685 | $start = $this->lexer->token; |
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| 545 | |||
| 546 | 685 | return new SelectionSetNode( |
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| 547 | [ |
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| 548 | 685 | 'selections' => $this->many( |
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| 549 | 685 | Token::BRACE_L, |
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| 550 | function () { |
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| 551 | 684 | return $this->parseSelection(); |
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| 552 | 685 | }, |
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| 553 | 685 | Token::BRACE_R |
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| 554 | ), |
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| 555 | 680 | 'loc' => $this->loc($start), |
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| 556 | ] |
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| 557 | ); |
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| 558 | } |
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| 559 | |||
| 560 | /** |
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| 561 | * Selection : |
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| 562 | * - Field |
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| 563 | * - FragmentSpread |
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| 564 | * - InlineFragment |
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| 565 | * |
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| 566 | * @return mixed |
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| 567 | */ |
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| 568 | 684 | private function parseSelection() |
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| 569 | { |
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| 570 | 684 | return $this->peek(Token::SPREAD) ? |
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| 571 | 189 | $this->parseFragment() : |
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| 572 | 683 | $this->parseField(); |
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| 573 | } |
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| 574 | |||
| 575 | /** |
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| 576 | * @return FieldNode |
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| 577 | * @throws SyntaxError |
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| 578 | */ |
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| 579 | 672 | private function parseField() |
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| 580 | { |
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| 581 | 672 | $start = $this->lexer->token; |
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| 582 | 672 | $nameOrAlias = $this->parseName(); |
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| 583 | |||
| 584 | 671 | if ($this->skip(Token::COLON)) { |
|
| 585 | 60 | $alias = $nameOrAlias; |
|
| 586 | 60 | $name = $this->parseName(); |
|
| 587 | } else { |
||
| 588 | 653 | $alias = null; |
|
| 589 | 653 | $name = $nameOrAlias; |
|
| 590 | } |
||
| 591 | |||
| 592 | 670 | return new FieldNode([ |
|
| 593 | 670 | 'alias' => $alias, |
|
| 594 | 670 | 'name' => $name, |
|
| 595 | 670 | 'arguments' => $this->parseArguments(false), |
|
| 596 | 670 | 'directives' => $this->parseDirectives(false), |
|
| 597 | 670 | 'selectionSet' => $this->peek(Token::BRACE_L) ? $this->parseSelectionSet() : null, |
|
| 598 | 670 | 'loc' => $this->loc($start), |
|
| 599 | ]); |
||
| 600 | } |
||
| 601 | |||
| 602 | /** |
||
| 603 | * @param bool $isConst |
||
| 604 | * @return ArgumentNode[]|NodeList |
||
| 605 | * @throws SyntaxError |
||
| 606 | */ |
||
| 607 | 675 | private function parseArguments($isConst) |
|
| 608 | { |
||
| 609 | 675 | $parseFn = $isConst ? |
|
| 610 | function () { |
||
| 611 | 3 | return $this->parseConstArgument(); |
|
| 612 | 5 | } : |
|
| 613 | function () { |
||
| 614 | 311 | return $this->parseArgument(); |
|
| 615 | 675 | }; |
|
| 616 | |||
| 617 | 675 | return $this->peek(Token::PAREN_L) ? |
|
| 618 | 314 | $this->many(Token::PAREN_L, $parseFn, Token::PAREN_R) : |
|
| 619 | 675 | new NodeList([]); |
|
| 620 | } |
||
| 621 | |||
| 622 | /** |
||
| 623 | * @return ArgumentNode |
||
| 624 | * @throws SyntaxError |
||
| 625 | */ |
||
| 626 | 311 | private function parseArgument() |
|
| 627 | { |
||
| 628 | 311 | $start = $this->lexer->token; |
|
| 629 | 311 | $name = $this->parseName(); |
|
| 630 | |||
| 631 | 311 | $this->expect(Token::COLON); |
|
| 632 | 311 | $value = $this->parseValueLiteral(false); |
|
| 633 | |||
| 634 | 311 | return new ArgumentNode([ |
|
| 635 | 311 | 'name' => $name, |
|
| 636 | 311 | 'value' => $value, |
|
| 637 | 311 | 'loc' => $this->loc($start), |
|
| 638 | ]); |
||
| 639 | } |
||
| 640 | |||
| 641 | /** |
||
| 642 | * @return ArgumentNode |
||
| 643 | * @throws SyntaxError |
||
| 644 | */ |
||
| 645 | 3 | private function parseConstArgument() |
|
| 646 | { |
||
| 647 | 3 | $start = $this->lexer->token; |
|
| 648 | 3 | $name = $this->parseName(); |
|
| 649 | |||
| 650 | 3 | $this->expect(Token::COLON); |
|
| 651 | 3 | $value = $this->parseConstValue(); |
|
| 652 | |||
| 653 | 3 | return new ArgumentNode([ |
|
| 654 | 3 | 'name' => $name, |
|
| 655 | 3 | 'value' => $value, |
|
| 656 | 3 | 'loc' => $this->loc($start), |
|
| 657 | ]); |
||
| 658 | } |
||
| 659 | |||
| 660 | // Implements the parsing rules in the Fragments section. |
||
| 661 | |||
| 662 | /** |
||
| 663 | * @return FragmentSpreadNode|InlineFragmentNode |
||
| 664 | * @throws SyntaxError |
||
| 665 | */ |
||
| 666 | 189 | private function parseFragment() |
|
| 667 | { |
||
| 668 | 189 | $start = $this->lexer->token; |
|
| 669 | 189 | $this->expect(Token::SPREAD); |
|
| 670 | |||
| 671 | 189 | if ($this->peek(Token::NAME) && $this->lexer->token->value !== 'on') { |
|
| 672 | 124 | return new FragmentSpreadNode([ |
|
| 673 | 124 | 'name' => $this->parseFragmentName(), |
|
| 674 | 124 | 'directives' => $this->parseDirectives(false), |
|
| 675 | 124 | 'loc' => $this->loc($start), |
|
| 676 | ]); |
||
| 677 | } |
||
| 678 | |||
| 679 | 87 | $typeCondition = null; |
|
| 680 | 87 | if ($this->lexer->token->value === 'on') { |
|
| 681 | 83 | $this->lexer->advance(); |
|
| 682 | 83 | $typeCondition = $this->parseNamedType(); |
|
| 683 | } |
||
| 684 | |||
| 685 | 86 | return new InlineFragmentNode([ |
|
| 686 | 86 | 'typeCondition' => $typeCondition, |
|
| 687 | 86 | 'directives' => $this->parseDirectives(false), |
|
| 688 | 86 | 'selectionSet' => $this->parseSelectionSet(), |
|
| 689 | 86 | 'loc' => $this->loc($start), |
|
| 690 | ]); |
||
| 691 | } |
||
| 692 | |||
| 693 | /** |
||
| 694 | * @return FragmentDefinitionNode |
||
| 695 | * @throws SyntaxError |
||
| 696 | */ |
||
| 697 | 201 | private function parseFragmentDefinition() |
|
| 698 | { |
||
| 699 | 201 | $start = $this->lexer->token; |
|
| 700 | 201 | $this->expectKeyword('fragment'); |
|
| 701 | |||
| 702 | 201 | $name = $this->parseFragmentName(); |
|
| 703 | |||
| 704 | // Experimental support for defining variables within fragments changes |
||
| 705 | // the grammar of FragmentDefinition: |
||
| 706 | // - fragment FragmentName VariableDefinitions? on TypeCondition Directives? SelectionSet |
||
| 707 | 200 | $variableDefinitions = null; |
|
| 708 | 200 | if (isset($this->lexer->options['experimentalFragmentVariables'])) { |
|
| 709 | 3 | $variableDefinitions = $this->parseVariableDefinitions(); |
|
| 710 | } |
||
| 711 | 200 | $this->expectKeyword('on'); |
|
| 712 | 199 | $typeCondition = $this->parseNamedType(); |
|
| 713 | |||
| 714 | 199 | return new FragmentDefinitionNode([ |
|
| 715 | 199 | 'name' => $name, |
|
| 716 | 199 | 'variableDefinitions' => $variableDefinitions, |
|
| 717 | 199 | 'typeCondition' => $typeCondition, |
|
| 718 | 199 | 'directives' => $this->parseDirectives(false), |
|
| 719 | 199 | 'selectionSet' => $this->parseSelectionSet(), |
|
| 720 | 199 | 'loc' => $this->loc($start), |
|
| 721 | ]); |
||
| 722 | } |
||
| 723 | |||
| 724 | /** |
||
| 725 | * @return NameNode |
||
| 726 | * @throws SyntaxError |
||
| 727 | */ |
||
| 728 | 203 | private function parseFragmentName() |
|
| 729 | { |
||
| 730 | 203 | if ($this->lexer->token->value === 'on') { |
|
| 731 | 1 | throw $this->unexpected(); |
|
| 732 | } |
||
| 733 | |||
| 734 | 202 | return $this->parseName(); |
|
| 735 | } |
||
| 736 | |||
| 737 | // Implements the parsing rules in the Values section. |
||
| 738 | |||
| 739 | /** |
||
| 740 | * Value[Const] : |
||
| 741 | * - [~Const] Variable |
||
| 742 | * - IntValue |
||
| 743 | * - FloatValue |
||
| 744 | * - StringValue |
||
| 745 | * - BooleanValue |
||
| 746 | * - NullValue |
||
| 747 | * - EnumValue |
||
| 748 | * - ListValue[?Const] |
||
| 749 | * - ObjectValue[?Const] |
||
| 750 | * |
||
| 751 | * BooleanValue : one of `true` `false` |
||
| 752 | * |
||
| 753 | * NullValue : `null` |
||
| 754 | * |
||
| 755 | * EnumValue : Name but not `true`, `false` or `null` |
||
| 756 | * |
||
| 757 | * @param bool $isConst |
||
| 758 | * @return BooleanValueNode|EnumValueNode|FloatValueNode|IntValueNode|StringValueNode|VariableNode|ListValueNode|ObjectValueNode|NullValueNode |
||
| 759 | * @throws SyntaxError |
||
| 760 | */ |
||
| 761 | 352 | private function parseValueLiteral($isConst) |
|
| 762 | { |
||
| 763 | 352 | $token = $this->lexer->token; |
|
| 764 | 352 | switch ($token->kind) { |
|
| 765 | 352 | case Token::BRACKET_L: |
|
| 766 | 34 | return $this->parseArray($isConst); |
|
| 767 | 351 | case Token::BRACE_L: |
|
| 768 | 42 | return $this->parseObject($isConst); |
|
| 769 | 351 | case Token::INT: |
|
| 770 | 91 | $this->lexer->advance(); |
|
| 771 | |||
| 772 | 91 | return new IntValueNode([ |
|
| 773 | 91 | 'value' => $token->value, |
|
| 774 | 91 | 'loc' => $this->loc($token), |
|
| 775 | ]); |
||
| 776 | 299 | case Token::FLOAT: |
|
| 777 | 14 | $this->lexer->advance(); |
|
| 778 | |||
| 779 | 14 | return new FloatValueNode([ |
|
| 780 | 14 | 'value' => $token->value, |
|
| 781 | 14 | 'loc' => $this->loc($token), |
|
| 782 | ]); |
||
| 783 | 291 | case Token::STRING: |
|
| 784 | 223 | case Token::BLOCK_STRING: |
|
| 785 | 106 | return $this->parseStringLiteral(); |
|
| 786 | 220 | case Token::NAME: |
|
| 787 | 122 | if ($token->value === 'true' || $token->value === 'false') { |
|
| 788 | 81 | $this->lexer->advance(); |
|
| 789 | |||
| 790 | 81 | return new BooleanValueNode([ |
|
| 791 | 81 | 'value' => $token->value === 'true', |
|
| 792 | 81 | 'loc' => $this->loc($token), |
|
| 793 | ]); |
||
| 794 | 63 | } elseif ($token->value === 'null') { |
|
| 795 | 29 | $this->lexer->advance(); |
|
| 796 | |||
| 797 | 29 | return new NullValueNode([ |
|
| 798 | 29 | 'loc' => $this->loc($token), |
|
| 799 | ]); |
||
| 800 | } else { |
||
| 801 | 44 | $this->lexer->advance(); |
|
| 802 | |||
| 803 | 44 | return new EnumValueNode([ |
|
| 804 | 44 | 'value' => $token->value, |
|
| 805 | 44 | 'loc' => $this->loc($token), |
|
| 806 | ]); |
||
| 807 | } |
||
| 808 | break; |
||
| 809 | |||
| 810 | 111 | case Token::DOLLAR: |
|
| 811 | 111 | if (! $isConst) { |
|
| 812 | 110 | return $this->parseVariable(); |
|
| 813 | } |
||
| 814 | 1 | break; |
|
| 815 | } |
||
| 816 | 1 | throw $this->unexpected(); |
|
| 817 | } |
||
| 818 | |||
| 819 | /** |
||
| 820 | * @return StringValueNode |
||
| 821 | */ |
||
| 822 | 112 | private function parseStringLiteral() |
|
| 823 | { |
||
| 824 | 112 | $token = $this->lexer->token; |
|
| 825 | 112 | $this->lexer->advance(); |
|
| 826 | |||
| 827 | 112 | return new StringValueNode([ |
|
| 828 | 112 | 'value' => $token->value, |
|
| 829 | 112 | 'block' => $token->kind === Token::BLOCK_STRING, |
|
| 830 | 112 | 'loc' => $this->loc($token), |
|
| 831 | ]); |
||
| 832 | } |
||
| 833 | |||
| 834 | /** |
||
| 835 | * @return BooleanValueNode|EnumValueNode|FloatValueNode|IntValueNode|StringValueNode|VariableNode |
||
| 836 | * @throws SyntaxError |
||
| 837 | */ |
||
| 838 | 9 | private function parseConstValue() |
|
| 839 | { |
||
| 840 | 9 | return $this->parseValueLiteral(true); |
|
| 841 | } |
||
| 842 | |||
| 843 | /** |
||
| 844 | * @return BooleanValueNode|EnumValueNode|FloatValueNode|IntValueNode|ListValueNode|ObjectValueNode|StringValueNode|VariableNode |
||
| 845 | */ |
||
| 846 | 27 | private function parseVariableValue() |
|
| 847 | { |
||
| 848 | 27 | return $this->parseValueLiteral(false); |
|
| 849 | } |
||
| 850 | |||
| 851 | /** |
||
| 852 | * @param bool $isConst |
||
| 853 | * @return ListValueNode |
||
| 854 | */ |
||
| 855 | 34 | private function parseArray($isConst) |
|
| 856 | { |
||
| 857 | 34 | $start = $this->lexer->token; |
|
| 858 | $parseFn = $isConst ? function () { |
||
| 859 | 5 | return $this->parseConstValue(); |
|
| 860 | } : function () { |
||
| 861 | 27 | return $this->parseVariableValue(); |
|
| 862 | 34 | }; |
|
| 863 | |||
| 864 | 34 | return new ListValueNode( |
|
| 865 | [ |
||
| 866 | 34 | 'values' => $this->any(Token::BRACKET_L, $parseFn, Token::BRACKET_R), |
|
| 867 | 33 | 'loc' => $this->loc($start), |
|
| 868 | ] |
||
| 869 | ); |
||
| 870 | } |
||
| 871 | |||
| 872 | /** |
||
| 873 | * @param bool $isConst |
||
| 874 | * @return ObjectValueNode |
||
| 875 | */ |
||
| 876 | 42 | private function parseObject($isConst) |
|
| 877 | { |
||
| 878 | 42 | $start = $this->lexer->token; |
|
| 879 | 42 | $this->expect(Token::BRACE_L); |
|
| 880 | 42 | $fields = []; |
|
| 881 | 42 | while (! $this->skip(Token::BRACE_R)) { |
|
| 882 | 42 | $fields[] = $this->parseObjectField($isConst); |
|
| 883 | } |
||
| 884 | |||
| 885 | 41 | return new ObjectValueNode([ |
|
| 886 | 41 | 'fields' => new NodeList($fields), |
|
| 887 | 41 | 'loc' => $this->loc($start), |
|
| 888 | ]); |
||
| 889 | } |
||
| 890 | |||
| 891 | /** |
||
| 892 | * @param bool $isConst |
||
| 893 | * @return ObjectFieldNode |
||
| 894 | */ |
||
| 895 | 42 | private function parseObjectField($isConst) |
|
| 896 | { |
||
| 897 | 42 | $start = $this->lexer->token; |
|
| 898 | 42 | $name = $this->parseName(); |
|
| 899 | |||
| 900 | 42 | $this->expect(Token::COLON); |
|
| 901 | |||
| 902 | 42 | return new ObjectFieldNode([ |
|
| 903 | 42 | 'name' => $name, |
|
| 904 | 42 | 'value' => $this->parseValueLiteral($isConst), |
|
| 905 | 41 | 'loc' => $this->loc($start), |
|
| 906 | ]); |
||
| 907 | } |
||
| 908 | |||
| 909 | // Implements the parsing rules in the Directives section. |
||
| 910 | |||
| 911 | /** |
||
| 912 | * @param bool $isConst |
||
| 913 | * @return DirectiveNode[]|NodeList |
||
| 914 | * @throws SyntaxError |
||
| 915 | */ |
||
| 916 | 802 | private function parseDirectives($isConst) |
|
| 917 | { |
||
| 918 | 802 | $directives = []; |
|
| 919 | 802 | while ($this->peek(Token::AT)) { |
|
| 920 | 62 | $directives[] = $this->parseDirective($isConst); |
|
| 921 | } |
||
| 922 | |||
| 923 | 802 | return new NodeList($directives); |
|
| 924 | } |
||
| 925 | |||
| 926 | /** |
||
| 927 | * @param bool $isConst |
||
| 928 | * @return DirectiveNode |
||
| 929 | * @throws SyntaxError |
||
| 930 | */ |
||
| 931 | 62 | private function parseDirective($isConst) |
|
| 932 | { |
||
| 933 | 62 | $start = $this->lexer->token; |
|
| 934 | 62 | $this->expect(Token::AT); |
|
| 935 | |||
| 936 | 62 | return new DirectiveNode([ |
|
| 937 | 62 | 'name' => $this->parseName(), |
|
| 938 | 62 | 'arguments' => $this->parseArguments($isConst), |
|
| 939 | 62 | 'loc' => $this->loc($start), |
|
| 940 | ]); |
||
| 941 | } |
||
| 942 | |||
| 943 | // Implements the parsing rules in the Types section. |
||
| 944 | |||
| 945 | /** |
||
| 946 | * Handles the Type: TypeName, ListType, and NonNullType parsing rules. |
||
| 947 | * |
||
| 948 | * @return ListTypeNode|NameNode|NonNullTypeNode |
||
| 949 | * @throws SyntaxError |
||
| 950 | */ |
||
| 951 | 237 | private function parseTypeReference() |
|
| 952 | { |
||
| 953 | 237 | $start = $this->lexer->token; |
|
| 954 | |||
| 955 | 237 | if ($this->skip(Token::BRACKET_L)) { |
|
| 956 | 30 | $type = $this->parseTypeReference(); |
|
| 957 | 30 | $this->expect(Token::BRACKET_R); |
|
| 958 | 30 | $type = new ListTypeNode([ |
|
| 959 | 30 | 'type' => $type, |
|
| 960 | 30 | 'loc' => $this->loc($start), |
|
| 961 | ]); |
||
| 962 | } else { |
||
| 963 | 237 | $type = $this->parseNamedType(); |
|
| 964 | } |
||
| 965 | 237 | if ($this->skip(Token::BANG)) { |
|
| 966 | 55 | return new NonNullTypeNode([ |
|
| 967 | 55 | 'type' => $type, |
|
| 968 | 55 | 'loc' => $this->loc($start), |
|
| 969 | ]); |
||
| 970 | } |
||
| 971 | |||
| 972 | 202 | return $type; |
|
|
Bug
Best Practice
introduced
by
|
|||
| 973 | } |
||
| 974 | |||
| 975 | 458 | private function parseNamedType() |
|
| 976 | { |
||
| 977 | 458 | $start = $this->lexer->token; |
|
| 978 | |||
| 979 | 458 | return new NamedTypeNode([ |
|
| 980 | 458 | 'name' => $this->parseName(), |
|
| 981 | 455 | 'loc' => $this->loc($start), |
|
| 982 | ]); |
||
| 983 | } |
||
| 984 | |||
| 985 | // Implements the parsing rules in the Type Definition section. |
||
| 986 | |||
| 987 | /** |
||
| 988 | * TypeSystemDefinition : |
||
| 989 | * - SchemaDefinition |
||
| 990 | * - TypeDefinition |
||
| 991 | * - TypeExtension |
||
| 992 | * - DirectiveDefinition |
||
| 993 | * |
||
| 994 | * TypeDefinition : |
||
| 995 | * - ScalarTypeDefinition |
||
| 996 | * - ObjectTypeDefinition |
||
| 997 | * - InterfaceTypeDefinition |
||
| 998 | * - UnionTypeDefinition |
||
| 999 | * - EnumTypeDefinition |
||
| 1000 | * - InputObjectTypeDefinition |
||
| 1001 | * |
||
| 1002 | * @return TypeSystemDefinitionNode |
||
| 1003 | * @throws SyntaxError |
||
| 1004 | */ |
||
| 1005 | 132 | private function parseTypeSystemDefinition() |
|
| 1006 | { |
||
| 1007 | // Many definitions begin with a description and require a lookahead. |
||
| 1008 | 132 | $keywordToken = $this->peekDescription() |
|
| 1009 | 6 | ? $this->lexer->lookahead() |
|
| 1010 | 132 | : $this->lexer->token; |
|
| 1011 | |||
| 1012 | 132 | if ($keywordToken->kind === Token::NAME) { |
|
| 1013 | 132 | switch ($keywordToken->value) { |
|
| 1014 | 132 | case 'schema': |
|
| 1015 | 53 | return $this->parseSchemaDefinition(); |
|
| 1016 | 130 | case 'scalar': |
|
| 1017 | 7 | return $this->parseScalarTypeDefinition(); |
|
| 1018 | 129 | case 'type': |
|
| 1019 | 109 | return $this->parseObjectTypeDefinition(); |
|
| 1020 | 78 | case 'interface': |
|
| 1021 | 31 | return $this->parseInterfaceTypeDefinition(); |
|
| 1022 | 57 | case 'union': |
|
| 1023 | 24 | return $this->parseUnionTypeDefinition(); |
|
| 1024 | 40 | case 'enum': |
|
| 1025 | 16 | return $this->parseEnumTypeDefinition(); |
|
| 1026 | 31 | case 'input': |
|
| 1027 | 19 | return $this->parseInputObjectTypeDefinition(); |
|
| 1028 | 16 | case 'extend': |
|
| 1029 | 10 | return $this->parseTypeExtension(); |
|
| 1030 | 8 | case 'directive': |
|
| 1031 | 8 | return $this->parseDirectiveDefinition(); |
|
| 1032 | } |
||
| 1033 | } |
||
| 1034 | |||
| 1035 | throw $this->unexpected($keywordToken); |
||
| 1036 | } |
||
| 1037 | |||
| 1038 | /** |
||
| 1039 | * @return bool |
||
| 1040 | */ |
||
| 1041 | 133 | private function peekDescription() |
|
| 1042 | { |
||
| 1043 | 133 | return $this->peek(Token::STRING) || $this->peek(Token::BLOCK_STRING); |
|
| 1044 | } |
||
| 1045 | |||
| 1046 | /** |
||
| 1047 | * @return StringValueNode|null |
||
| 1048 | */ |
||
| 1049 | 125 | private function parseDescription() |
|
| 1050 | { |
||
| 1051 | 125 | if ($this->peekDescription()) { |
|
| 1052 | 8 | return $this->parseStringLiteral(); |
|
| 1053 | } |
||
| 1054 | 125 | } |
|
| 1055 | |||
| 1056 | /** |
||
| 1057 | * @return SchemaDefinitionNode |
||
| 1058 | * @throws SyntaxError |
||
| 1059 | */ |
||
| 1060 | 53 | private function parseSchemaDefinition() |
|
| 1061 | { |
||
| 1062 | 53 | $start = $this->lexer->token; |
|
| 1063 | 53 | $this->expectKeyword('schema'); |
|
| 1064 | 53 | $directives = $this->parseDirectives(true); |
|
| 1065 | |||
| 1066 | 53 | $operationTypes = $this->many( |
|
| 1067 | 53 | Token::BRACE_L, |
|
| 1068 | function () { |
||
| 1069 | 53 | return $this->parseOperationTypeDefinition(); |
|
| 1070 | 53 | }, |
|
| 1071 | 53 | Token::BRACE_R |
|
| 1072 | ); |
||
| 1073 | |||
| 1074 | 53 | return new SchemaDefinitionNode([ |
|
| 1075 | 53 | 'directives' => $directives, |
|
| 1076 | 53 | 'operationTypes' => $operationTypes, |
|
| 1077 | 53 | 'loc' => $this->loc($start), |
|
| 1078 | ]); |
||
| 1079 | } |
||
| 1080 | |||
| 1081 | /** |
||
| 1082 | * @return OperationTypeDefinitionNode |
||
| 1083 | * @throws SyntaxError |
||
| 1084 | */ |
||
| 1085 | 53 | private function parseOperationTypeDefinition() |
|
| 1086 | { |
||
| 1087 | 53 | $start = $this->lexer->token; |
|
| 1088 | 53 | $operation = $this->parseOperationType(); |
|
| 1089 | 53 | $this->expect(Token::COLON); |
|
| 1090 | 53 | $type = $this->parseNamedType(); |
|
| 1091 | |||
| 1092 | 53 | return new OperationTypeDefinitionNode([ |
|
| 1093 | 53 | 'operation' => $operation, |
|
| 1094 | 53 | 'type' => $type, |
|
| 1095 | 53 | 'loc' => $this->loc($start), |
|
| 1096 | ]); |
||
| 1097 | } |
||
| 1098 | |||
| 1099 | /** |
||
| 1100 | * @return ScalarTypeDefinitionNode |
||
| 1101 | * @throws SyntaxError |
||
| 1102 | */ |
||
| 1103 | 7 | private function parseScalarTypeDefinition() |
|
| 1104 | { |
||
| 1105 | 7 | $start = $this->lexer->token; |
|
| 1106 | 7 | $description = $this->parseDescription(); |
|
| 1107 | 7 | $this->expectKeyword('scalar'); |
|
| 1108 | 7 | $name = $this->parseName(); |
|
| 1109 | 7 | $directives = $this->parseDirectives(true); |
|
| 1110 | |||
| 1111 | 7 | return new ScalarTypeDefinitionNode([ |
|
| 1112 | 7 | 'name' => $name, |
|
| 1113 | 7 | 'directives' => $directives, |
|
| 1114 | 7 | 'loc' => $this->loc($start), |
|
| 1115 | 7 | 'description' => $description, |
|
| 1116 | ]); |
||
| 1117 | } |
||
| 1118 | |||
| 1119 | /** |
||
| 1120 | * @return ObjectTypeDefinitionNode |
||
| 1121 | * @throws SyntaxError |
||
| 1122 | */ |
||
| 1123 | 109 | private function parseObjectTypeDefinition() |
|
| 1124 | { |
||
| 1125 | 109 | $start = $this->lexer->token; |
|
| 1126 | 109 | $description = $this->parseDescription(); |
|
| 1127 | 109 | $this->expectKeyword('type'); |
|
| 1128 | 109 | $name = $this->parseName(); |
|
| 1129 | 109 | $interfaces = $this->parseImplementsInterfaces(); |
|
| 1130 | 109 | $directives = $this->parseDirectives(true); |
|
| 1131 | 109 | $fields = $this->parseFieldsDefinition(); |
|
| 1132 | |||
| 1133 | 108 | return new ObjectTypeDefinitionNode([ |
|
| 1134 | 108 | 'name' => $name, |
|
| 1135 | 108 | 'interfaces' => $interfaces, |
|
| 1136 | 108 | 'directives' => $directives, |
|
| 1137 | 108 | 'fields' => $fields, |
|
| 1138 | 108 | 'loc' => $this->loc($start), |
|
| 1139 | 108 | 'description' => $description, |
|
| 1140 | ]); |
||
| 1141 | } |
||
| 1142 | |||
| 1143 | /** |
||
| 1144 | * ImplementsInterfaces : |
||
| 1145 | * - implements `&`? NamedType |
||
| 1146 | * - ImplementsInterfaces & NamedType |
||
| 1147 | * |
||
| 1148 | * @return NamedTypeNode[] |
||
| 1149 | */ |
||
| 1150 | 113 | private function parseImplementsInterfaces() |
|
| 1151 | { |
||
| 1152 | 113 | $types = []; |
|
| 1153 | 113 | if ($this->lexer->token->value === 'implements') { |
|
| 1154 | 36 | $this->lexer->advance(); |
|
| 1155 | // Optional leading ampersand |
||
| 1156 | 36 | $this->skip(Token::AMP); |
|
| 1157 | do { |
||
| 1158 | 36 | $types[] = $this->parseNamedType(); |
|
| 1159 | 36 | } while ($this->skip(Token::AMP) || |
|
| 1160 | // Legacy support for the SDL? |
||
| 1161 | 36 | (! empty($this->lexer->options['allowLegacySDLImplementsInterfaces']) && $this->peek(Token::NAME)) |
|
| 1162 | ); |
||
| 1163 | } |
||
| 1164 | |||
| 1165 | 113 | return $types; |
|
| 1166 | } |
||
| 1167 | |||
| 1168 | /** |
||
| 1169 | * @return FieldDefinitionNode[]|NodeList |
||
| 1170 | * @throws SyntaxError |
||
| 1171 | */ |
||
| 1172 | 114 | private function parseFieldsDefinition() |
|
| 1173 | { |
||
| 1174 | // Legacy support for the SDL? |
||
| 1175 | 114 | if (! empty($this->lexer->options['allowLegacySDLEmptyFields']) && |
|
| 1176 | 114 | $this->peek(Token::BRACE_L) && |
|
| 1177 | 114 | $this->lexer->lookahead()->kind === Token::BRACE_R |
|
| 1178 | ) { |
||
| 1179 | 1 | $this->lexer->advance(); |
|
| 1180 | 1 | $this->lexer->advance(); |
|
| 1181 | |||
| 1182 | 1 | return []; |
|
| 1183 | } |
||
| 1184 | |||
| 1185 | 113 | return $this->peek(Token::BRACE_L) |
|
| 1186 | 109 | ? $this->many( |
|
| 1187 | 109 | Token::BRACE_L, |
|
| 1188 | function () { |
||
| 1189 | 109 | return $this->parseFieldDefinition(); |
|
| 1190 | 109 | }, |
|
| 1191 | 109 | Token::BRACE_R |
|
| 1192 | ) |
||
| 1193 | 112 | : new NodeList([]); |
|
| 1194 | } |
||
| 1195 | |||
| 1196 | /** |
||
| 1197 | * @return FieldDefinitionNode |
||
| 1198 | * @throws SyntaxError |
||
| 1199 | */ |
||
| 1200 | 109 | private function parseFieldDefinition() |
|
| 1201 | { |
||
| 1202 | 109 | $start = $this->lexer->token; |
|
| 1203 | 109 | $description = $this->parseDescription(); |
|
| 1204 | 109 | $name = $this->parseName(); |
|
| 1205 | 108 | $args = $this->parseArgumentDefs(); |
|
| 1206 | 108 | $this->expect(Token::COLON); |
|
| 1207 | 108 | $type = $this->parseTypeReference(); |
|
| 1208 | 108 | $directives = $this->parseDirectives(true); |
|
| 1209 | |||
| 1210 | 108 | return new FieldDefinitionNode([ |
|
| 1211 | 108 | 'name' => $name, |
|
| 1212 | 108 | 'arguments' => $args, |
|
| 1213 | 108 | 'type' => $type, |
|
| 1214 | 108 | 'directives' => $directives, |
|
| 1215 | 108 | 'loc' => $this->loc($start), |
|
| 1216 | 108 | 'description' => $description, |
|
| 1217 | ]); |
||
| 1218 | } |
||
| 1219 | |||
| 1220 | /** |
||
| 1221 | * @return InputValueDefinitionNode[]|NodeList |
||
| 1222 | * @throws SyntaxError |
||
| 1223 | */ |
||
| 1224 | 109 | private function parseArgumentDefs() |
|
| 1225 | { |
||
| 1226 | 109 | if (! $this->peek(Token::PAREN_L)) { |
|
| 1227 | 95 | return new NodeList([]); |
|
| 1228 | } |
||
| 1229 | |||
| 1230 | 34 | return $this->many( |
|
| 1231 | 34 | Token::PAREN_L, |
|
| 1232 | function () { |
||
| 1233 | 34 | return $this->parseInputValueDef(); |
|
| 1234 | 34 | }, |
|
| 1235 | 34 | Token::PAREN_R |
|
| 1236 | ); |
||
| 1237 | } |
||
| 1238 | |||
| 1239 | /** |
||
| 1240 | * @return InputValueDefinitionNode |
||
| 1241 | * @throws SyntaxError |
||
| 1242 | */ |
||
| 1243 | 43 | private function parseInputValueDef() |
|
| 1244 | { |
||
| 1245 | 43 | $start = $this->lexer->token; |
|
| 1246 | 43 | $description = $this->parseDescription(); |
|
| 1247 | 43 | $name = $this->parseName(); |
|
| 1248 | 43 | $this->expect(Token::COLON); |
|
| 1249 | 42 | $type = $this->parseTypeReference(); |
|
| 1250 | 42 | $defaultValue = null; |
|
| 1251 | 42 | if ($this->skip(Token::EQUALS)) { |
|
| 1252 | 5 | $defaultValue = $this->parseConstValue(); |
|
| 1253 | } |
||
| 1254 | 42 | $directives = $this->parseDirectives(true); |
|
| 1255 | |||
| 1256 | 42 | return new InputValueDefinitionNode([ |
|
| 1257 | 42 | 'name' => $name, |
|
| 1258 | 42 | 'type' => $type, |
|
| 1259 | 42 | 'defaultValue' => $defaultValue, |
|
| 1260 | 42 | 'directives' => $directives, |
|
| 1261 | 42 | 'loc' => $this->loc($start), |
|
| 1262 | 42 | 'description' => $description, |
|
| 1263 | ]); |
||
| 1264 | } |
||
| 1265 | |||
| 1266 | /** |
||
| 1267 | * @return InterfaceTypeDefinitionNode |
||
| 1268 | * @throws SyntaxError |
||
| 1269 | */ |
||
| 1270 | 31 | private function parseInterfaceTypeDefinition() |
|
| 1271 | { |
||
| 1272 | 31 | $start = $this->lexer->token; |
|
| 1273 | 31 | $description = $this->parseDescription(); |
|
| 1274 | 31 | $this->expectKeyword('interface'); |
|
| 1275 | 31 | $name = $this->parseName(); |
|
| 1276 | 31 | $directives = $this->parseDirectives(true); |
|
| 1277 | 31 | $fields = $this->parseFieldsDefinition(); |
|
| 1278 | |||
| 1279 | 31 | return new InterfaceTypeDefinitionNode([ |
|
| 1280 | 31 | 'name' => $name, |
|
| 1281 | 31 | 'directives' => $directives, |
|
| 1282 | 31 | 'fields' => $fields, |
|
| 1283 | 31 | 'loc' => $this->loc($start), |
|
| 1284 | 31 | 'description' => $description, |
|
| 1285 | ]); |
||
| 1286 | } |
||
| 1287 | |||
| 1288 | /** |
||
| 1289 | * UnionTypeDefinition : |
||
| 1290 | * - Description? union Name Directives[Const]? UnionMemberTypes? |
||
| 1291 | * |
||
| 1292 | * @return UnionTypeDefinitionNode |
||
| 1293 | * @throws SyntaxError |
||
| 1294 | */ |
||
| 1295 | 24 | private function parseUnionTypeDefinition() |
|
| 1296 | { |
||
| 1297 | 24 | $start = $this->lexer->token; |
|
| 1298 | 24 | $description = $this->parseDescription(); |
|
| 1299 | 24 | $this->expectKeyword('union'); |
|
| 1300 | 24 | $name = $this->parseName(); |
|
| 1301 | 24 | $directives = $this->parseDirectives(true); |
|
| 1302 | 24 | $types = $this->parseUnionMemberTypes(); |
|
| 1303 | |||
| 1304 | 20 | return new UnionTypeDefinitionNode([ |
|
| 1305 | 20 | 'name' => $name, |
|
| 1306 | 20 | 'directives' => $directives, |
|
| 1307 | 20 | 'types' => $types, |
|
| 1308 | 20 | 'loc' => $this->loc($start), |
|
| 1309 | 20 | 'description' => $description, |
|
| 1310 | ]); |
||
| 1311 | } |
||
| 1312 | |||
| 1313 | /** |
||
| 1314 | * UnionMemberTypes : |
||
| 1315 | * - = `|`? NamedType |
||
| 1316 | * - UnionMemberTypes | NamedType |
||
| 1317 | * |
||
| 1318 | * @return NamedTypeNode[] |
||
| 1319 | */ |
||
| 1320 | 24 | private function parseUnionMemberTypes() |
|
| 1321 | { |
||
| 1322 | 24 | $types = []; |
|
| 1323 | 24 | if ($this->skip(Token::EQUALS)) { |
|
| 1324 | // Optional leading pipe |
||
| 1325 | 23 | $this->skip(Token::PIPE); |
|
| 1326 | do { |
||
| 1327 | 23 | $types[] = $this->parseNamedType(); |
|
| 1328 | 21 | } while ($this->skip(Token::PIPE)); |
|
| 1329 | } |
||
| 1330 | |||
| 1331 | 20 | return $types; |
|
| 1332 | } |
||
| 1333 | |||
| 1334 | /** |
||
| 1335 | * @return EnumTypeDefinitionNode |
||
| 1336 | * @throws SyntaxError |
||
| 1337 | */ |
||
| 1338 | 16 | private function parseEnumTypeDefinition() |
|
| 1353 | ]); |
||
| 1354 | } |
||
| 1355 | |||
| 1356 | /** |
||
| 1357 | * @return EnumValueDefinitionNode[]|NodeList |
||
| 1358 | * @throws SyntaxError |
||
| 1359 | */ |
||
| 1360 | 16 | private function parseEnumValuesDefinition() |
|
| 1361 | { |
||
| 1362 | 16 | return $this->peek(Token::BRACE_L) |
|
| 1363 | 15 | ? $this->many( |
|
| 1364 | 15 | Token::BRACE_L, |
|
| 1365 | function () { |
||
| 1366 | 15 | return $this->parseEnumValueDefinition(); |
|
| 1367 | 15 | }, |
|
| 1368 | 15 | Token::BRACE_R |
|
| 1369 | ) |
||
| 1370 | 16 | : new NodeList([]); |
|
| 1371 | } |
||
| 1372 | |||
| 1373 | /** |
||
| 1374 | * @return EnumValueDefinitionNode |
||
| 1375 | * @throws SyntaxError |
||
| 1376 | */ |
||
| 1377 | 15 | private function parseEnumValueDefinition() |
|
| 1378 | { |
||
| 1379 | 15 | $start = $this->lexer->token; |
|
| 1380 | 15 | $description = $this->parseDescription(); |
|
| 1381 | 15 | $name = $this->parseName(); |
|
| 1382 | 15 | $directives = $this->parseDirectives(true); |
|
| 1383 | |||
| 1384 | 15 | return new EnumValueDefinitionNode([ |
|
| 1385 | 15 | 'name' => $name, |
|
| 1386 | 15 | 'directives' => $directives, |
|
| 1387 | 15 | 'loc' => $this->loc($start), |
|
| 1388 | 15 | 'description' => $description, |
|
| 1389 | ]); |
||
| 1390 | } |
||
| 1391 | |||
| 1392 | /** |
||
| 1393 | * @return InputObjectTypeDefinitionNode |
||
| 1394 | * @throws SyntaxError |
||
| 1395 | */ |
||
| 1396 | 19 | private function parseInputObjectTypeDefinition() |
|
| 1397 | { |
||
| 1398 | 19 | $start = $this->lexer->token; |
|
| 1399 | 19 | $description = $this->parseDescription(); |
|
| 1400 | 19 | $this->expectKeyword('input'); |
|
| 1401 | 19 | $name = $this->parseName(); |
|
| 1402 | 19 | $directives = $this->parseDirectives(true); |
|
| 1403 | 19 | $fields = $this->parseInputFieldsDefinition(); |
|
| 1404 | |||
| 1405 | 18 | return new InputObjectTypeDefinitionNode([ |
|
| 1406 | 18 | 'name' => $name, |
|
| 1407 | 18 | 'directives' => $directives, |
|
| 1408 | 18 | 'fields' => $fields, |
|
| 1409 | 18 | 'loc' => $this->loc($start), |
|
| 1410 | 18 | 'description' => $description, |
|
| 1411 | ]); |
||
| 1412 | } |
||
| 1413 | |||
| 1414 | /** |
||
| 1415 | * @return InputValueDefinitionNode[]|NodeList |
||
| 1416 | * @throws SyntaxError |
||
| 1417 | */ |
||
| 1418 | 19 | private function parseInputFieldsDefinition() |
|
| 1419 | { |
||
| 1420 | 19 | return $this->peek(Token::BRACE_L) |
|
| 1421 | 18 | ? $this->many( |
|
| 1422 | 18 | Token::BRACE_L, |
|
| 1423 | function () { |
||
| 1424 | 18 | return $this->parseInputValueDef(); |
|
| 1425 | 18 | }, |
|
| 1426 | 18 | Token::BRACE_R |
|
| 1427 | ) |
||
| 1428 | 18 | : new NodeList([]); |
|
| 1429 | } |
||
| 1430 | |||
| 1431 | /** |
||
| 1432 | * TypeExtension : |
||
| 1433 | * - ScalarTypeExtension |
||
| 1434 | * - ObjectTypeExtension |
||
| 1435 | * - InterfaceTypeExtension |
||
| 1436 | * - UnionTypeExtension |
||
| 1437 | * - EnumTypeExtension |
||
| 1438 | * - InputObjectTypeDefinition |
||
| 1439 | * |
||
| 1440 | * @return TypeExtensionNode |
||
| 1441 | * @throws SyntaxError |
||
| 1442 | */ |
||
| 1443 | 10 | private function parseTypeExtension() |
|
| 1444 | { |
||
| 1445 | 10 | $keywordToken = $this->lexer->lookahead(); |
|
| 1446 | |||
| 1447 | 10 | if ($keywordToken->kind === Token::NAME) { |
|
| 1448 | 9 | switch ($keywordToken->value) { |
|
| 1449 | 9 | case 'scalar': |
|
| 1450 | 3 | return $this->parseScalarTypeExtension(); |
|
| 1451 | 9 | case 'type': |
|
| 1452 | 8 | return $this->parseObjectTypeExtension(); |
|
| 1453 | 4 | case 'interface': |
|
| 1454 | 3 | return $this->parseInterfaceTypeExtension(); |
|
| 1455 | 4 | case 'union': |
|
| 1456 | 3 | return $this->parseUnionTypeExtension(); |
|
| 1457 | 4 | case 'enum': |
|
| 1458 | 3 | return $this->parseEnumTypeExtension(); |
|
| 1459 | 4 | case 'input': |
|
| 1460 | 3 | return $this->parseInputObjectTypeExtension(); |
|
| 1461 | } |
||
| 1462 | } |
||
| 1463 | |||
| 1464 | 2 | throw $this->unexpected($keywordToken); |
|
| 1465 | } |
||
| 1466 | |||
| 1467 | /** |
||
| 1468 | * @return ScalarTypeExtensionNode |
||
| 1469 | * @throws SyntaxError |
||
| 1470 | */ |
||
| 1471 | 3 | private function parseScalarTypeExtension() |
|
| 1472 | { |
||
| 1473 | 3 | $start = $this->lexer->token; |
|
| 1474 | 3 | $this->expectKeyword('extend'); |
|
| 1475 | 3 | $this->expectKeyword('scalar'); |
|
| 1476 | 3 | $name = $this->parseName(); |
|
| 1477 | 3 | $directives = $this->parseDirectives(true); |
|
| 1478 | 3 | if (count($directives) === 0) { |
|
| 1479 | throw $this->unexpected(); |
||
| 1480 | } |
||
| 1481 | |||
| 1482 | 3 | return new ScalarTypeExtensionNode([ |
|
| 1483 | 3 | 'name' => $name, |
|
| 1484 | 3 | 'directives' => $directives, |
|
| 1485 | 3 | 'loc' => $this->loc($start), |
|
| 1486 | ]); |
||
| 1487 | } |
||
| 1488 | |||
| 1489 | /** |
||
| 1490 | * @return ObjectTypeExtensionNode |
||
| 1491 | * @throws SyntaxError |
||
| 1492 | */ |
||
| 1493 | 8 | private function parseObjectTypeExtension() |
|
| 1494 | { |
||
| 1495 | 8 | $start = $this->lexer->token; |
|
| 1496 | 8 | $this->expectKeyword('extend'); |
|
| 1497 | 8 | $this->expectKeyword('type'); |
|
| 1498 | 8 | $name = $this->parseName(); |
|
| 1499 | 8 | $interfaces = $this->parseImplementsInterfaces(); |
|
| 1500 | 8 | $directives = $this->parseDirectives(true); |
|
| 1501 | 8 | $fields = $this->parseFieldsDefinition(); |
|
| 1502 | |||
| 1503 | 8 | if (count($interfaces) === 0 && |
|
| 1504 | 8 | count($directives) === 0 && |
|
| 1505 | 8 | count($fields) === 0 |
|
| 1506 | ) { |
||
| 1507 | 1 | throw $this->unexpected(); |
|
| 1508 | } |
||
| 1509 | |||
| 1510 | 7 | return new ObjectTypeExtensionNode([ |
|
| 1511 | 7 | 'name' => $name, |
|
| 1512 | 7 | 'interfaces' => $interfaces, |
|
| 1513 | 7 | 'directives' => $directives, |
|
| 1514 | 7 | 'fields' => $fields, |
|
| 1515 | 7 | 'loc' => $this->loc($start), |
|
| 1516 | ]); |
||
| 1517 | } |
||
| 1518 | |||
| 1519 | /** |
||
| 1520 | * @return InterfaceTypeExtensionNode |
||
| 1521 | * @throws SyntaxError |
||
| 1522 | */ |
||
| 1523 | 3 | private function parseInterfaceTypeExtension() |
|
| 1524 | { |
||
| 1525 | 3 | $start = $this->lexer->token; |
|
| 1526 | 3 | $this->expectKeyword('extend'); |
|
| 1527 | 3 | $this->expectKeyword('interface'); |
|
| 1528 | 3 | $name = $this->parseName(); |
|
| 1529 | 3 | $directives = $this->parseDirectives(true); |
|
| 1530 | 3 | $fields = $this->parseFieldsDefinition(); |
|
| 1531 | 3 | if (count($directives) === 0 && |
|
| 1532 | 3 | count($fields) === 0 |
|
| 1533 | ) { |
||
| 1534 | throw $this->unexpected(); |
||
| 1535 | } |
||
| 1536 | |||
| 1537 | 3 | return new InterfaceTypeExtensionNode([ |
|
| 1538 | 3 | 'name' => $name, |
|
| 1539 | 3 | 'directives' => $directives, |
|
| 1540 | 3 | 'fields' => $fields, |
|
| 1541 | 3 | 'loc' => $this->loc($start), |
|
| 1542 | ]); |
||
| 1543 | } |
||
| 1544 | |||
| 1545 | /** |
||
| 1546 | * UnionTypeExtension : |
||
| 1547 | * - extend union Name Directives[Const]? UnionMemberTypes |
||
| 1548 | * - extend union Name Directives[Const] |
||
| 1549 | * |
||
| 1550 | * @return UnionTypeExtensionNode |
||
| 1551 | * @throws SyntaxError |
||
| 1552 | */ |
||
| 1553 | 3 | private function parseUnionTypeExtension() |
|
| 1554 | { |
||
| 1555 | 3 | $start = $this->lexer->token; |
|
| 1556 | 3 | $this->expectKeyword('extend'); |
|
| 1557 | 3 | $this->expectKeyword('union'); |
|
| 1558 | 3 | $name = $this->parseName(); |
|
| 1559 | 3 | $directives = $this->parseDirectives(true); |
|
| 1560 | 3 | $types = $this->parseUnionMemberTypes(); |
|
| 1561 | 3 | if (count($directives) === 0 && |
|
| 1562 | 3 | ! $types |
|
| 1563 | ) { |
||
| 1564 | throw $this->unexpected(); |
||
| 1565 | } |
||
| 1566 | |||
| 1567 | 3 | return new UnionTypeExtensionNode([ |
|
| 1568 | 3 | 'name' => $name, |
|
| 1569 | 3 | 'directives' => $directives, |
|
| 1570 | 3 | 'types' => $types, |
|
| 1571 | 3 | 'loc' => $this->loc($start), |
|
| 1572 | ]); |
||
| 1573 | } |
||
| 1574 | |||
| 1575 | /** |
||
| 1576 | * @return EnumTypeExtensionNode |
||
| 1577 | * @throws SyntaxError |
||
| 1578 | */ |
||
| 1579 | 3 | private function parseEnumTypeExtension() |
|
| 1580 | { |
||
| 1581 | 3 | $start = $this->lexer->token; |
|
| 1582 | 3 | $this->expectKeyword('extend'); |
|
| 1583 | 3 | $this->expectKeyword('enum'); |
|
| 1584 | 3 | $name = $this->parseName(); |
|
| 1585 | 3 | $directives = $this->parseDirectives(true); |
|
| 1586 | 3 | $values = $this->parseEnumValuesDefinition(); |
|
| 1587 | 3 | if (count($directives) === 0 && |
|
| 1588 | 3 | count($values) === 0 |
|
| 1589 | ) { |
||
| 1590 | throw $this->unexpected(); |
||
| 1591 | } |
||
| 1592 | |||
| 1593 | 3 | return new EnumTypeExtensionNode([ |
|
| 1594 | 3 | 'name' => $name, |
|
| 1595 | 3 | 'directives' => $directives, |
|
| 1596 | 3 | 'values' => $values, |
|
| 1597 | 3 | 'loc' => $this->loc($start), |
|
| 1598 | ]); |
||
| 1599 | } |
||
| 1600 | |||
| 1601 | /** |
||
| 1602 | * @return InputObjectTypeExtensionNode |
||
| 1603 | * @throws SyntaxError |
||
| 1604 | */ |
||
| 1605 | 3 | private function parseInputObjectTypeExtension() |
|
| 1606 | { |
||
| 1607 | 3 | $start = $this->lexer->token; |
|
| 1608 | 3 | $this->expectKeyword('extend'); |
|
| 1609 | 3 | $this->expectKeyword('input'); |
|
| 1610 | 3 | $name = $this->parseName(); |
|
| 1611 | 3 | $directives = $this->parseDirectives(true); |
|
| 1612 | 3 | $fields = $this->parseInputFieldsDefinition(); |
|
| 1613 | 3 | if (count($directives) === 0 && |
|
| 1614 | 3 | count($fields) === 0 |
|
| 1615 | ) { |
||
| 1616 | throw $this->unexpected(); |
||
| 1617 | } |
||
| 1618 | |||
| 1619 | 3 | return new InputObjectTypeExtensionNode([ |
|
| 1620 | 3 | 'name' => $name, |
|
| 1621 | 3 | 'directives' => $directives, |
|
| 1622 | 3 | 'fields' => $fields, |
|
| 1623 | 3 | 'loc' => $this->loc($start), |
|
| 1624 | ]); |
||
| 1625 | } |
||
| 1626 | |||
| 1627 | /** |
||
| 1628 | * DirectiveDefinition : |
||
| 1629 | * - directive @ Name ArgumentsDefinition? on DirectiveLocations |
||
| 1630 | * |
||
| 1631 | * @return DirectiveDefinitionNode |
||
| 1632 | * @throws SyntaxError |
||
| 1633 | */ |
||
| 1634 | 8 | private function parseDirectiveDefinition() |
|
| 1635 | { |
||
| 1636 | 8 | $start = $this->lexer->token; |
|
| 1637 | 8 | $description = $this->parseDescription(); |
|
| 1638 | 8 | $this->expectKeyword('directive'); |
|
| 1639 | 8 | $this->expect(Token::AT); |
|
| 1640 | 8 | $name = $this->parseName(); |
|
| 1641 | 8 | $args = $this->parseArgumentDefs(); |
|
| 1642 | 8 | $this->expectKeyword('on'); |
|
| 1643 | 8 | $locations = $this->parseDirectiveLocations(); |
|
| 1644 | |||
| 1645 | 7 | return new DirectiveDefinitionNode([ |
|
| 1646 | 7 | 'name' => $name, |
|
| 1647 | 7 | 'arguments' => $args, |
|
| 1648 | 7 | 'locations' => $locations, |
|
| 1649 | 7 | 'loc' => $this->loc($start), |
|
| 1650 | 7 | 'description' => $description, |
|
| 1651 | ]); |
||
| 1652 | } |
||
| 1653 | |||
| 1654 | /** |
||
| 1655 | * @return NameNode[] |
||
| 1656 | * @throws SyntaxError |
||
| 1657 | */ |
||
| 1658 | 8 | private function parseDirectiveLocations() |
|
| 1659 | { |
||
| 1660 | // Optional leading pipe |
||
| 1661 | 8 | $this->skip(Token::PIPE); |
|
| 1662 | 8 | $locations = []; |
|
| 1663 | do { |
||
| 1664 | 8 | $locations[] = $this->parseDirectiveLocation(); |
|
| 1665 | 8 | } while ($this->skip(Token::PIPE)); |
|
| 1666 | |||
| 1667 | 7 | return $locations; |
|
| 1668 | } |
||
| 1669 | |||
| 1670 | /** |
||
| 1671 | * @return NameNode |
||
| 1672 | * @throws SyntaxError |
||
| 1673 | */ |
||
| 1674 | 8 | private function parseDirectiveLocation() |
|
| 1683 | } |
||
| 1684 | } |
||
| 1685 |
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