Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 1 | package protoparse |
| 2 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 3 | // This file defines all of the nodes in the proto AST. |
| 4 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 5 | // SourcePos identifies a location in a proto source file. |
| 6 | type SourcePos struct { |
| 7 | Filename string |
| 8 | Line, Col int |
| 9 | Offset int |
| 10 | } |
| 11 | |
| 12 | func unknownPos(filename string) *SourcePos { |
| 13 | return &SourcePos{Filename: filename} |
| 14 | } |
| 15 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 16 | // node is the interface implemented by all nodes in the AST |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 17 | type node interface { |
| 18 | start() *SourcePos |
| 19 | end() *SourcePos |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 20 | leadingComments() []comment |
| 21 | trailingComments() []comment |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 22 | } |
| 23 | |
| 24 | type terminalNode interface { |
| 25 | node |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 26 | popLeadingComment() comment |
| 27 | pushTrailingComment(comment) |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 28 | } |
| 29 | |
| 30 | var _ terminalNode = (*basicNode)(nil) |
| 31 | var _ terminalNode = (*stringLiteralNode)(nil) |
| 32 | var _ terminalNode = (*intLiteralNode)(nil) |
| 33 | var _ terminalNode = (*floatLiteralNode)(nil) |
| 34 | var _ terminalNode = (*identNode)(nil) |
| 35 | |
| 36 | type fileDecl interface { |
| 37 | node |
| 38 | getSyntax() node |
| 39 | } |
| 40 | |
| 41 | var _ fileDecl = (*fileNode)(nil) |
| 42 | var _ fileDecl = (*noSourceNode)(nil) |
| 43 | |
| 44 | type optionDecl interface { |
| 45 | node |
| 46 | getName() node |
| 47 | getValue() valueNode |
| 48 | } |
| 49 | |
| 50 | var _ optionDecl = (*optionNode)(nil) |
| 51 | var _ optionDecl = (*noSourceNode)(nil) |
| 52 | |
| 53 | type fieldDecl interface { |
| 54 | node |
| 55 | fieldLabel() node |
| 56 | fieldName() node |
| 57 | fieldType() node |
| 58 | fieldTag() node |
| 59 | fieldExtendee() node |
| 60 | getGroupKeyword() node |
| 61 | } |
| 62 | |
| 63 | var _ fieldDecl = (*fieldNode)(nil) |
| 64 | var _ fieldDecl = (*groupNode)(nil) |
| 65 | var _ fieldDecl = (*mapFieldNode)(nil) |
| 66 | var _ fieldDecl = (*syntheticMapField)(nil) |
| 67 | var _ fieldDecl = (*noSourceNode)(nil) |
| 68 | |
| 69 | type rangeDecl interface { |
| 70 | node |
| 71 | rangeStart() node |
| 72 | rangeEnd() node |
| 73 | } |
| 74 | |
| 75 | var _ rangeDecl = (*rangeNode)(nil) |
| 76 | var _ rangeDecl = (*noSourceNode)(nil) |
| 77 | |
| 78 | type enumValueDecl interface { |
| 79 | node |
| 80 | getName() node |
| 81 | getNumber() node |
| 82 | } |
| 83 | |
| 84 | var _ enumValueDecl = (*enumValueNode)(nil) |
| 85 | var _ enumValueDecl = (*noSourceNode)(nil) |
| 86 | |
| 87 | type msgDecl interface { |
| 88 | node |
| 89 | messageName() node |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | var _ msgDecl = (*messageNode)(nil) |
| 93 | var _ msgDecl = (*groupNode)(nil) |
| 94 | var _ msgDecl = (*mapFieldNode)(nil) |
| 95 | var _ msgDecl = (*noSourceNode)(nil) |
| 96 | |
| 97 | type methodDecl interface { |
| 98 | node |
| 99 | getInputType() node |
| 100 | getOutputType() node |
| 101 | } |
| 102 | |
| 103 | var _ methodDecl = (*methodNode)(nil) |
| 104 | var _ methodDecl = (*noSourceNode)(nil) |
| 105 | |
| 106 | type posRange struct { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 107 | start, end SourcePos |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | type basicNode struct { |
| 111 | posRange |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 112 | leading []comment |
| 113 | trailing []comment |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | func (n *basicNode) start() *SourcePos { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 117 | return &n.posRange.start |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | func (n *basicNode) end() *SourcePos { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 121 | return &n.posRange.end |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 124 | func (n *basicNode) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 125 | return n.leading |
| 126 | } |
| 127 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 128 | func (n *basicNode) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 129 | return n.trailing |
| 130 | } |
| 131 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 132 | func (n *basicNode) popLeadingComment() comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 133 | c := n.leading[0] |
| 134 | n.leading = n.leading[1:] |
| 135 | return c |
| 136 | } |
| 137 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 138 | func (n *basicNode) pushTrailingComment(c comment) { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 139 | n.trailing = append(n.trailing, c) |
| 140 | } |
| 141 | |
| 142 | type comment struct { |
| 143 | posRange |
| 144 | text string |
| 145 | } |
| 146 | |
| 147 | type basicCompositeNode struct { |
| 148 | first node |
| 149 | last node |
| 150 | } |
| 151 | |
| 152 | func (n *basicCompositeNode) start() *SourcePos { |
| 153 | return n.first.start() |
| 154 | } |
| 155 | |
| 156 | func (n *basicCompositeNode) end() *SourcePos { |
| 157 | return n.last.end() |
| 158 | } |
| 159 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 160 | func (n *basicCompositeNode) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 161 | return n.first.leadingComments() |
| 162 | } |
| 163 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 164 | func (n *basicCompositeNode) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 165 | return n.last.trailingComments() |
| 166 | } |
| 167 | |
| 168 | func (n *basicCompositeNode) setRange(first, last node) { |
| 169 | n.first = first |
| 170 | n.last = last |
| 171 | } |
| 172 | |
| 173 | type fileNode struct { |
| 174 | basicCompositeNode |
| 175 | syntax *syntaxNode |
| 176 | decls []*fileElement |
| 177 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 178 | // This field is populated after parsing, to make it easier to find |
| 179 | // source locations by import name for constructing link errors. |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 180 | imports []*importNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | func (n *fileNode) getSyntax() node { |
| 184 | return n.syntax |
| 185 | } |
| 186 | |
| 187 | type fileElement struct { |
| 188 | // a discriminated union: only one field will be set |
| 189 | imp *importNode |
| 190 | pkg *packageNode |
| 191 | option *optionNode |
| 192 | message *messageNode |
| 193 | enum *enumNode |
| 194 | extend *extendNode |
| 195 | service *serviceNode |
| 196 | empty *basicNode |
| 197 | } |
| 198 | |
| 199 | func (n *fileElement) start() *SourcePos { |
| 200 | return n.get().start() |
| 201 | } |
| 202 | |
| 203 | func (n *fileElement) end() *SourcePos { |
| 204 | return n.get().end() |
| 205 | } |
| 206 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 207 | func (n *fileElement) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 208 | return n.get().leadingComments() |
| 209 | } |
| 210 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 211 | func (n *fileElement) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 212 | return n.get().trailingComments() |
| 213 | } |
| 214 | |
| 215 | func (n *fileElement) get() node { |
| 216 | switch { |
| 217 | case n.imp != nil: |
| 218 | return n.imp |
| 219 | case n.pkg != nil: |
| 220 | return n.pkg |
| 221 | case n.option != nil: |
| 222 | return n.option |
| 223 | case n.message != nil: |
| 224 | return n.message |
| 225 | case n.enum != nil: |
| 226 | return n.enum |
| 227 | case n.extend != nil: |
| 228 | return n.extend |
| 229 | case n.service != nil: |
| 230 | return n.service |
| 231 | default: |
| 232 | return n.empty |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | type syntaxNode struct { |
| 237 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 238 | syntax *compoundStringNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | type importNode struct { |
| 242 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 243 | name *compoundStringNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 244 | public bool |
| 245 | weak bool |
| 246 | } |
| 247 | |
| 248 | type packageNode struct { |
| 249 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 250 | name *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | type identifier string |
| 254 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 255 | type identNode struct { |
| 256 | basicNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 257 | val string |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | func (n *identNode) value() interface{} { |
| 261 | return identifier(n.val) |
| 262 | } |
| 263 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 264 | type compoundIdentNode struct { |
| 265 | basicCompositeNode |
| 266 | val string |
| 267 | } |
| 268 | |
| 269 | func (n *compoundIdentNode) value() interface{} { |
| 270 | return identifier(n.val) |
| 271 | } |
| 272 | |
| 273 | type compactOptionsNode struct { |
| 274 | basicCompositeNode |
| 275 | decls []*optionNode |
| 276 | } |
| 277 | |
| 278 | func (n *compactOptionsNode) Elements() []*optionNode { |
| 279 | if n == nil { |
| 280 | return nil |
| 281 | } |
| 282 | return n.decls |
| 283 | } |
| 284 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 285 | type optionNode struct { |
| 286 | basicCompositeNode |
| 287 | name *optionNameNode |
| 288 | val valueNode |
| 289 | } |
| 290 | |
| 291 | func (n *optionNode) getName() node { |
| 292 | return n.name |
| 293 | } |
| 294 | |
| 295 | func (n *optionNode) getValue() valueNode { |
| 296 | return n.val |
| 297 | } |
| 298 | |
| 299 | type optionNameNode struct { |
| 300 | basicCompositeNode |
| 301 | parts []*optionNamePartNode |
| 302 | } |
| 303 | |
| 304 | type optionNamePartNode struct { |
| 305 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 306 | text *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 307 | offset int |
| 308 | length int |
| 309 | isExtension bool |
| 310 | st, en *SourcePos |
| 311 | } |
| 312 | |
| 313 | func (n *optionNamePartNode) start() *SourcePos { |
| 314 | if n.isExtension { |
| 315 | return n.basicCompositeNode.start() |
| 316 | } |
| 317 | return n.st |
| 318 | } |
| 319 | |
| 320 | func (n *optionNamePartNode) end() *SourcePos { |
| 321 | if n.isExtension { |
| 322 | return n.basicCompositeNode.end() |
| 323 | } |
| 324 | return n.en |
| 325 | } |
| 326 | |
| 327 | func (n *optionNamePartNode) setRange(first, last node) { |
| 328 | n.basicCompositeNode.setRange(first, last) |
| 329 | if !n.isExtension { |
| 330 | st := *first.start() |
| 331 | st.Col += n.offset |
| 332 | n.st = &st |
| 333 | en := st |
| 334 | en.Col += n.length |
| 335 | n.en = &en |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | type valueNode interface { |
| 340 | node |
| 341 | value() interface{} |
| 342 | } |
| 343 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 344 | var _ valueNode = (*identNode)(nil) |
| 345 | var _ valueNode = (*compoundIdentNode)(nil) |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 346 | var _ valueNode = (*stringLiteralNode)(nil) |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 347 | var _ valueNode = (*compoundStringNode)(nil) |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 348 | var _ valueNode = (*intLiteralNode)(nil) |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 349 | var _ valueNode = (*compoundIntNode)(nil) |
| 350 | var _ valueNode = (*compoundUintNode)(nil) |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 351 | var _ valueNode = (*floatLiteralNode)(nil) |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 352 | var _ valueNode = (*compoundFloatNode)(nil) |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 353 | var _ valueNode = (*boolLiteralNode)(nil) |
| 354 | var _ valueNode = (*sliceLiteralNode)(nil) |
| 355 | var _ valueNode = (*aggregateLiteralNode)(nil) |
| 356 | var _ valueNode = (*noSourceNode)(nil) |
| 357 | |
| 358 | type stringLiteralNode struct { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 359 | basicNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 360 | val string |
| 361 | } |
| 362 | |
| 363 | func (n *stringLiteralNode) value() interface{} { |
| 364 | return n.val |
| 365 | } |
| 366 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 367 | type compoundStringNode struct { |
| 368 | basicCompositeNode |
| 369 | val string |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 370 | } |
| 371 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 372 | func (n *compoundStringNode) value() interface{} { |
| 373 | return n.val |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | type intLiteralNode struct { |
| 377 | basicNode |
| 378 | val uint64 |
| 379 | } |
| 380 | |
| 381 | func (n *intLiteralNode) value() interface{} { |
| 382 | return n.val |
| 383 | } |
| 384 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 385 | type compoundUintNode struct { |
| 386 | basicCompositeNode |
| 387 | val uint64 |
| 388 | } |
| 389 | |
| 390 | func (n *compoundUintNode) value() interface{} { |
| 391 | return n.val |
| 392 | } |
| 393 | |
| 394 | type compoundIntNode struct { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 395 | basicCompositeNode |
| 396 | val int64 |
| 397 | } |
| 398 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 399 | func (n *compoundIntNode) value() interface{} { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 400 | return n.val |
| 401 | } |
| 402 | |
| 403 | type floatLiteralNode struct { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 404 | basicNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 405 | val float64 |
| 406 | } |
| 407 | |
| 408 | func (n *floatLiteralNode) value() interface{} { |
| 409 | return n.val |
| 410 | } |
| 411 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 412 | type compoundFloatNode struct { |
| 413 | basicCompositeNode |
| 414 | val float64 |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 415 | } |
| 416 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 417 | func (n *compoundFloatNode) value() interface{} { |
| 418 | return n.val |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | type boolLiteralNode struct { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 422 | *identNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 423 | val bool |
| 424 | } |
| 425 | |
| 426 | func (n *boolLiteralNode) value() interface{} { |
| 427 | return n.val |
| 428 | } |
| 429 | |
| 430 | type sliceLiteralNode struct { |
| 431 | basicCompositeNode |
| 432 | elements []valueNode |
| 433 | } |
| 434 | |
| 435 | func (n *sliceLiteralNode) value() interface{} { |
| 436 | return n.elements |
| 437 | } |
| 438 | |
| 439 | type aggregateLiteralNode struct { |
| 440 | basicCompositeNode |
| 441 | elements []*aggregateEntryNode |
| 442 | } |
| 443 | |
| 444 | func (n *aggregateLiteralNode) value() interface{} { |
| 445 | return n.elements |
| 446 | } |
| 447 | |
| 448 | type aggregateEntryNode struct { |
| 449 | basicCompositeNode |
| 450 | name *aggregateNameNode |
| 451 | val valueNode |
| 452 | } |
| 453 | |
| 454 | type aggregateNameNode struct { |
| 455 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 456 | name *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 457 | isExtension bool |
| 458 | } |
| 459 | |
| 460 | func (a *aggregateNameNode) value() string { |
| 461 | if a.isExtension { |
| 462 | return "[" + a.name.val + "]" |
| 463 | } else { |
| 464 | return a.name.val |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | type fieldNode struct { |
| 469 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 470 | label fieldLabel |
| 471 | fldType *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 472 | name *identNode |
| 473 | tag *intLiteralNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 474 | options *compactOptionsNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 475 | |
| 476 | // This field is populated after parsing, to allow lookup of extendee source |
| 477 | // locations when field extendees cannot be linked. (Otherwise, this is just |
| 478 | // stored as a string in the field descriptors defined inside the extend |
| 479 | // block). |
| 480 | extendee *extendNode |
| 481 | } |
| 482 | |
| 483 | func (n *fieldNode) fieldLabel() node { |
| 484 | // proto3 fields and fields inside one-ofs will not have a label and we need |
| 485 | // this check in order to return a nil node -- otherwise we'd return a |
| 486 | // non-nil node that has a nil pointer value in it :/ |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 487 | if n.label.identNode == nil { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 488 | return nil |
| 489 | } |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 490 | return n.label.identNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | func (n *fieldNode) fieldName() node { |
| 494 | return n.name |
| 495 | } |
| 496 | |
| 497 | func (n *fieldNode) fieldType() node { |
| 498 | return n.fldType |
| 499 | } |
| 500 | |
| 501 | func (n *fieldNode) fieldTag() node { |
| 502 | return n.tag |
| 503 | } |
| 504 | |
| 505 | func (n *fieldNode) fieldExtendee() node { |
| 506 | if n.extendee != nil { |
| 507 | return n.extendee.extendee |
| 508 | } |
| 509 | return nil |
| 510 | } |
| 511 | |
| 512 | func (n *fieldNode) getGroupKeyword() node { |
| 513 | return nil |
| 514 | } |
| 515 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 516 | type fieldLabel struct { |
| 517 | *identNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 518 | repeated bool |
| 519 | required bool |
| 520 | } |
| 521 | |
| 522 | type groupNode struct { |
| 523 | basicCompositeNode |
| 524 | groupKeyword *identNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 525 | label fieldLabel |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 526 | name *identNode |
| 527 | tag *intLiteralNode |
| 528 | decls []*messageElement |
| 529 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 530 | // This field is populated after parsing, to allow lookup of extendee source |
| 531 | // locations when field extendees cannot be linked. (Otherwise, this is just |
| 532 | // stored as a string in the field descriptors defined inside the extend |
| 533 | // block). |
| 534 | extendee *extendNode |
| 535 | } |
| 536 | |
| 537 | func (n *groupNode) fieldLabel() node { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 538 | if n.label.identNode == nil { |
| 539 | // return nil interface to indicate absence, not a typed nil |
| 540 | return nil |
| 541 | } |
| 542 | return n.label.identNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | func (n *groupNode) fieldName() node { |
| 546 | return n.name |
| 547 | } |
| 548 | |
| 549 | func (n *groupNode) fieldType() node { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 550 | return n.groupKeyword |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | func (n *groupNode) fieldTag() node { |
| 554 | return n.tag |
| 555 | } |
| 556 | |
| 557 | func (n *groupNode) fieldExtendee() node { |
| 558 | if n.extendee != nil { |
| 559 | return n.extendee.extendee |
| 560 | } |
| 561 | return nil |
| 562 | } |
| 563 | |
| 564 | func (n *groupNode) getGroupKeyword() node { |
| 565 | return n.groupKeyword |
| 566 | } |
| 567 | |
| 568 | func (n *groupNode) messageName() node { |
| 569 | return n.name |
| 570 | } |
| 571 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 572 | type oneOfNode struct { |
| 573 | basicCompositeNode |
| 574 | name *identNode |
| 575 | decls []*oneOfElement |
| 576 | } |
| 577 | |
| 578 | type oneOfElement struct { |
| 579 | // a discriminated union: only one field will be set |
| 580 | option *optionNode |
| 581 | field *fieldNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 582 | group *groupNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 583 | empty *basicNode |
| 584 | } |
| 585 | |
| 586 | func (n *oneOfElement) start() *SourcePos { |
| 587 | return n.get().start() |
| 588 | } |
| 589 | |
| 590 | func (n *oneOfElement) end() *SourcePos { |
| 591 | return n.get().end() |
| 592 | } |
| 593 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 594 | func (n *oneOfElement) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 595 | return n.get().leadingComments() |
| 596 | } |
| 597 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 598 | func (n *oneOfElement) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 599 | return n.get().trailingComments() |
| 600 | } |
| 601 | |
| 602 | func (n *oneOfElement) get() node { |
| 603 | switch { |
| 604 | case n.option != nil: |
| 605 | return n.option |
| 606 | case n.field != nil: |
| 607 | return n.field |
| 608 | default: |
| 609 | return n.empty |
| 610 | } |
| 611 | } |
| 612 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 613 | type mapTypeNode struct { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 614 | basicCompositeNode |
| 615 | mapKeyword *identNode |
| 616 | keyType *identNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 617 | valueType *compoundIdentNode |
| 618 | } |
| 619 | |
| 620 | type mapFieldNode struct { |
| 621 | basicCompositeNode |
| 622 | mapType *mapTypeNode |
| 623 | name *identNode |
| 624 | tag *intLiteralNode |
| 625 | options *compactOptionsNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | func (n *mapFieldNode) fieldLabel() node { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 629 | return nil |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 630 | } |
| 631 | |
| 632 | func (n *mapFieldNode) fieldName() node { |
| 633 | return n.name |
| 634 | } |
| 635 | |
| 636 | func (n *mapFieldNode) fieldType() node { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 637 | return n.mapType |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 638 | } |
| 639 | |
| 640 | func (n *mapFieldNode) fieldTag() node { |
| 641 | return n.tag |
| 642 | } |
| 643 | |
| 644 | func (n *mapFieldNode) fieldExtendee() node { |
| 645 | return nil |
| 646 | } |
| 647 | |
| 648 | func (n *mapFieldNode) getGroupKeyword() node { |
| 649 | return nil |
| 650 | } |
| 651 | |
| 652 | func (n *mapFieldNode) messageName() node { |
| 653 | return n.name |
| 654 | } |
| 655 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 656 | func (n *mapFieldNode) keyField() *syntheticMapField { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 657 | k := n.mapType.keyType |
| 658 | t := &compoundIdentNode{val: k.val} |
| 659 | t.setRange(k, k) |
| 660 | return newSyntheticMapField(t, 1) |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 661 | } |
| 662 | |
| 663 | func (n *mapFieldNode) valueField() *syntheticMapField { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 664 | return newSyntheticMapField(n.mapType.valueType, 2) |
| 665 | } |
| 666 | |
| 667 | func newSyntheticMapField(ident *compoundIdentNode, tagNum uint64) *syntheticMapField { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 668 | tag := &intLiteralNode{ |
| 669 | basicNode: basicNode{ |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 670 | posRange: posRange{start: *ident.start(), end: *ident.end()}, |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 671 | }, |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 672 | val: tagNum, |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 673 | } |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 674 | return &syntheticMapField{ident: ident, tag: tag} |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | type syntheticMapField struct { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 678 | ident *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 679 | tag *intLiteralNode |
| 680 | } |
| 681 | |
| 682 | func (n *syntheticMapField) start() *SourcePos { |
| 683 | return n.ident.start() |
| 684 | } |
| 685 | |
| 686 | func (n *syntheticMapField) end() *SourcePos { |
| 687 | return n.ident.end() |
| 688 | } |
| 689 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 690 | func (n *syntheticMapField) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 691 | return nil |
| 692 | } |
| 693 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 694 | func (n *syntheticMapField) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 695 | return nil |
| 696 | } |
| 697 | |
| 698 | func (n *syntheticMapField) fieldLabel() node { |
| 699 | return n.ident |
| 700 | } |
| 701 | |
| 702 | func (n *syntheticMapField) fieldName() node { |
| 703 | return n.ident |
| 704 | } |
| 705 | |
| 706 | func (n *syntheticMapField) fieldType() node { |
| 707 | return n.ident |
| 708 | } |
| 709 | |
| 710 | func (n *syntheticMapField) fieldTag() node { |
| 711 | return n.tag |
| 712 | } |
| 713 | |
| 714 | func (n *syntheticMapField) fieldExtendee() node { |
| 715 | return nil |
| 716 | } |
| 717 | |
| 718 | func (n *syntheticMapField) getGroupKeyword() node { |
| 719 | return nil |
| 720 | } |
| 721 | |
| 722 | type extensionRangeNode struct { |
| 723 | basicCompositeNode |
| 724 | ranges []*rangeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 725 | options *compactOptionsNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 726 | } |
| 727 | |
| 728 | type rangeNode struct { |
| 729 | basicCompositeNode |
| 730 | stNode, enNode node |
| 731 | st, en int32 |
| 732 | } |
| 733 | |
| 734 | func (n *rangeNode) rangeStart() node { |
| 735 | return n.stNode |
| 736 | } |
| 737 | |
| 738 | func (n *rangeNode) rangeEnd() node { |
| 739 | return n.enNode |
| 740 | } |
| 741 | |
| 742 | type reservedNode struct { |
| 743 | basicCompositeNode |
| 744 | ranges []*rangeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 745 | names []*compoundStringNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 746 | } |
| 747 | |
| 748 | type enumNode struct { |
| 749 | basicCompositeNode |
| 750 | name *identNode |
| 751 | decls []*enumElement |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 752 | } |
| 753 | |
| 754 | type enumElement struct { |
| 755 | // a discriminated union: only one field will be set |
| 756 | option *optionNode |
| 757 | value *enumValueNode |
| 758 | reserved *reservedNode |
| 759 | empty *basicNode |
| 760 | } |
| 761 | |
| 762 | func (n *enumElement) start() *SourcePos { |
| 763 | return n.get().start() |
| 764 | } |
| 765 | |
| 766 | func (n *enumElement) end() *SourcePos { |
| 767 | return n.get().end() |
| 768 | } |
| 769 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 770 | func (n *enumElement) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 771 | return n.get().leadingComments() |
| 772 | } |
| 773 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 774 | func (n *enumElement) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 775 | return n.get().trailingComments() |
| 776 | } |
| 777 | |
| 778 | func (n *enumElement) get() node { |
| 779 | switch { |
| 780 | case n.option != nil: |
| 781 | return n.option |
| 782 | case n.value != nil: |
| 783 | return n.value |
| 784 | default: |
| 785 | return n.empty |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | type enumValueNode struct { |
| 790 | basicCompositeNode |
| 791 | name *identNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 792 | options *compactOptionsNode |
| 793 | number *compoundIntNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | func (n *enumValueNode) getName() node { |
| 797 | return n.name |
| 798 | } |
| 799 | |
| 800 | func (n *enumValueNode) getNumber() node { |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 801 | return n.number |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | type messageNode struct { |
| 805 | basicCompositeNode |
| 806 | name *identNode |
| 807 | decls []*messageElement |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 808 | } |
| 809 | |
| 810 | func (n *messageNode) messageName() node { |
| 811 | return n.name |
| 812 | } |
| 813 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 814 | type messageElement struct { |
| 815 | // a discriminated union: only one field will be set |
| 816 | option *optionNode |
| 817 | field *fieldNode |
| 818 | mapField *mapFieldNode |
| 819 | oneOf *oneOfNode |
| 820 | group *groupNode |
| 821 | nested *messageNode |
| 822 | enum *enumNode |
| 823 | extend *extendNode |
| 824 | extensionRange *extensionRangeNode |
| 825 | reserved *reservedNode |
| 826 | empty *basicNode |
| 827 | } |
| 828 | |
| 829 | func (n *messageElement) start() *SourcePos { |
| 830 | return n.get().start() |
| 831 | } |
| 832 | |
| 833 | func (n *messageElement) end() *SourcePos { |
| 834 | return n.get().end() |
| 835 | } |
| 836 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 837 | func (n *messageElement) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 838 | return n.get().leadingComments() |
| 839 | } |
| 840 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 841 | func (n *messageElement) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 842 | return n.get().trailingComments() |
| 843 | } |
| 844 | |
| 845 | func (n *messageElement) get() node { |
| 846 | switch { |
| 847 | case n.option != nil: |
| 848 | return n.option |
| 849 | case n.field != nil: |
| 850 | return n.field |
| 851 | case n.mapField != nil: |
| 852 | return n.mapField |
| 853 | case n.oneOf != nil: |
| 854 | return n.oneOf |
| 855 | case n.group != nil: |
| 856 | return n.group |
| 857 | case n.nested != nil: |
| 858 | return n.nested |
| 859 | case n.enum != nil: |
| 860 | return n.enum |
| 861 | case n.extend != nil: |
| 862 | return n.extend |
| 863 | case n.extensionRange != nil: |
| 864 | return n.extensionRange |
| 865 | case n.reserved != nil: |
| 866 | return n.reserved |
| 867 | default: |
| 868 | return n.empty |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | type extendNode struct { |
| 873 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 874 | extendee *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 875 | decls []*extendElement |
| 876 | } |
| 877 | |
| 878 | type extendElement struct { |
| 879 | // a discriminated union: only one field will be set |
| 880 | field *fieldNode |
| 881 | group *groupNode |
| 882 | empty *basicNode |
| 883 | } |
| 884 | |
| 885 | func (n *extendElement) start() *SourcePos { |
| 886 | return n.get().start() |
| 887 | } |
| 888 | |
| 889 | func (n *extendElement) end() *SourcePos { |
| 890 | return n.get().end() |
| 891 | } |
| 892 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 893 | func (n *extendElement) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 894 | return n.get().leadingComments() |
| 895 | } |
| 896 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 897 | func (n *extendElement) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 898 | return n.get().trailingComments() |
| 899 | } |
| 900 | |
| 901 | func (n *extendElement) get() node { |
| 902 | switch { |
| 903 | case n.field != nil: |
| 904 | return n.field |
| 905 | case n.group != nil: |
| 906 | return n.group |
| 907 | default: |
| 908 | return n.empty |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | type serviceNode struct { |
| 913 | basicCompositeNode |
| 914 | name *identNode |
| 915 | decls []*serviceElement |
| 916 | } |
| 917 | |
| 918 | type serviceElement struct { |
| 919 | // a discriminated union: only one field will be set |
| 920 | option *optionNode |
| 921 | rpc *methodNode |
| 922 | empty *basicNode |
| 923 | } |
| 924 | |
| 925 | func (n *serviceElement) start() *SourcePos { |
| 926 | return n.get().start() |
| 927 | } |
| 928 | |
| 929 | func (n *serviceElement) end() *SourcePos { |
| 930 | return n.get().end() |
| 931 | } |
| 932 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 933 | func (n *serviceElement) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 934 | return n.get().leadingComments() |
| 935 | } |
| 936 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 937 | func (n *serviceElement) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 938 | return n.get().trailingComments() |
| 939 | } |
| 940 | |
| 941 | func (n *serviceElement) get() node { |
| 942 | switch { |
| 943 | case n.option != nil: |
| 944 | return n.option |
| 945 | case n.rpc != nil: |
| 946 | return n.rpc |
| 947 | default: |
| 948 | return n.empty |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | type methodNode struct { |
| 953 | basicCompositeNode |
| 954 | name *identNode |
| 955 | input *rpcTypeNode |
| 956 | output *rpcTypeNode |
| 957 | options []*optionNode |
| 958 | } |
| 959 | |
| 960 | func (n *methodNode) getInputType() node { |
| 961 | return n.input.msgType |
| 962 | } |
| 963 | |
| 964 | func (n *methodNode) getOutputType() node { |
| 965 | return n.output.msgType |
| 966 | } |
| 967 | |
| 968 | type rpcTypeNode struct { |
| 969 | basicCompositeNode |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 970 | msgType *compoundIdentNode |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 971 | streamKeyword node |
| 972 | } |
| 973 | |
| 974 | type noSourceNode struct { |
| 975 | pos *SourcePos |
| 976 | } |
| 977 | |
| 978 | func (n noSourceNode) start() *SourcePos { |
| 979 | return n.pos |
| 980 | } |
| 981 | |
| 982 | func (n noSourceNode) end() *SourcePos { |
| 983 | return n.pos |
| 984 | } |
| 985 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 986 | func (n noSourceNode) leadingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 987 | return nil |
| 988 | } |
| 989 | |
Scott Baker | 4a35a70 | 2019-11-26 08:17:33 -0800 | [diff] [blame] | 990 | func (n noSourceNode) trailingComments() []comment { |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 991 | return nil |
| 992 | } |
| 993 | |
| 994 | func (n noSourceNode) getSyntax() node { |
| 995 | return n |
| 996 | } |
| 997 | |
| 998 | func (n noSourceNode) getName() node { |
| 999 | return n |
| 1000 | } |
| 1001 | |
| 1002 | func (n noSourceNode) getValue() valueNode { |
| 1003 | return n |
| 1004 | } |
| 1005 | |
| 1006 | func (n noSourceNode) fieldLabel() node { |
| 1007 | return n |
| 1008 | } |
| 1009 | |
| 1010 | func (n noSourceNode) fieldName() node { |
| 1011 | return n |
| 1012 | } |
| 1013 | |
| 1014 | func (n noSourceNode) fieldType() node { |
| 1015 | return n |
| 1016 | } |
| 1017 | |
| 1018 | func (n noSourceNode) fieldTag() node { |
| 1019 | return n |
| 1020 | } |
| 1021 | |
| 1022 | func (n noSourceNode) fieldExtendee() node { |
| 1023 | return n |
| 1024 | } |
| 1025 | |
| 1026 | func (n noSourceNode) getGroupKeyword() node { |
| 1027 | return n |
| 1028 | } |
| 1029 | |
| 1030 | func (n noSourceNode) rangeStart() node { |
| 1031 | return n |
| 1032 | } |
| 1033 | |
| 1034 | func (n noSourceNode) rangeEnd() node { |
| 1035 | return n |
| 1036 | } |
| 1037 | |
| 1038 | func (n noSourceNode) getNumber() node { |
| 1039 | return n |
| 1040 | } |
| 1041 | |
| 1042 | func (n noSourceNode) messageName() node { |
| 1043 | return n |
| 1044 | } |
| 1045 | |
Zack Williams | e940c7a | 2019-08-21 14:25:39 -0700 | [diff] [blame] | 1046 | func (n noSourceNode) getInputType() node { |
| 1047 | return n |
| 1048 | } |
| 1049 | |
| 1050 | func (n noSourceNode) getOutputType() node { |
| 1051 | return n |
| 1052 | } |
| 1053 | |
| 1054 | func (n noSourceNode) value() interface{} { |
| 1055 | return nil |
| 1056 | } |