| 1 | // vtest build: macos |
| 2 | module markused |
| 3 | |
| 4 | import v2.ast |
| 5 | import v2.token |
| 6 | import v2.types |
| 7 | |
| 8 | fn pos(id int) token.Pos { |
| 9 | return token.Pos{ |
| 10 | offset: id |
| 11 | id: id |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | fn test_interface_name_from_type_handles_unresolved_alias_base_type() { |
| 16 | mut env := types.Environment.new() |
| 17 | w := new_walker([]ast.File{}, env, MarkUsedOptions{}) |
| 18 | assert w.interface_name_from_type(types.Type(types.Alias{ |
| 19 | name: 'UnresolvedAlias' |
| 20 | })) == '' |
| 21 | } |
| 22 | |
| 23 | fn test_mark_used_tracks_transitive_function_calls() { |
| 24 | mut env := types.Environment.new() |
| 25 | files := [ |
| 26 | ast.File{ |
| 27 | mod: 'main' |
| 28 | name: 'main.v' |
| 29 | stmts: [ |
| 30 | ast.Stmt(ast.FnDecl{ |
| 31 | name: 'main' |
| 32 | typ: ast.FnType{} |
| 33 | pos: pos(1) |
| 34 | stmts: [ |
| 35 | ast.Stmt(ast.ExprStmt{ |
| 36 | expr: ast.CallExpr{ |
| 37 | lhs: ast.Ident{ |
| 38 | name: 'foo' |
| 39 | pos: pos(2) |
| 40 | } |
| 41 | pos: pos(2) |
| 42 | } |
| 43 | }), |
| 44 | ] |
| 45 | }), |
| 46 | ast.Stmt(ast.FnDecl{ |
| 47 | name: 'foo' |
| 48 | typ: ast.FnType{} |
| 49 | pos: pos(3) |
| 50 | stmts: [ |
| 51 | ast.Stmt(ast.ExprStmt{ |
| 52 | expr: ast.CallExpr{ |
| 53 | lhs: ast.Ident{ |
| 54 | name: 'bar' |
| 55 | pos: pos(4) |
| 56 | } |
| 57 | pos: pos(4) |
| 58 | } |
| 59 | }), |
| 60 | ] |
| 61 | }), |
| 62 | ast.Stmt(ast.FnDecl{ |
| 63 | name: 'bar' |
| 64 | typ: ast.FnType{} |
| 65 | pos: pos(5) |
| 66 | }), |
| 67 | ast.Stmt(ast.FnDecl{ |
| 68 | name: 'dead' |
| 69 | typ: ast.FnType{} |
| 70 | pos: pos(6) |
| 71 | }), |
| 72 | ] |
| 73 | }, |
| 74 | ] |
| 75 | used := mark_used(files, env) |
| 76 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 77 | foo_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 78 | bar_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 79 | dead_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 80 | assert used[main_key] |
| 81 | assert used[foo_key] |
| 82 | assert used[bar_key] |
| 83 | assert !used[dead_key] |
| 84 | } |
| 85 | |
| 86 | fn test_mark_used_walks_duplicate_declaration_with_body() { |
| 87 | mut env := types.Environment.new() |
| 88 | files := [ |
| 89 | ast.File{ |
| 90 | mod: 'main' |
| 91 | name: 'main.v' |
| 92 | stmts: [ |
| 93 | ast.Stmt(ast.FnDecl{ |
| 94 | name: 'main' |
| 95 | typ: ast.FnType{} |
| 96 | pos: pos(20) |
| 97 | stmts: [ |
| 98 | ast.Stmt(ast.ExprStmt{ |
| 99 | expr: ast.CallExpr{ |
| 100 | lhs: ast.Ident{ |
| 101 | name: 'foo' |
| 102 | pos: pos(21) |
| 103 | } |
| 104 | pos: pos(21) |
| 105 | } |
| 106 | }), |
| 107 | ] |
| 108 | }), |
| 109 | ast.Stmt(ast.FnDecl{ |
| 110 | name: 'foo' |
| 111 | typ: ast.FnType{} |
| 112 | pos: pos(22) |
| 113 | }), |
| 114 | ast.Stmt(ast.FnDecl{ |
| 115 | name: 'foo' |
| 116 | typ: ast.FnType{} |
| 117 | pos: pos(23) |
| 118 | stmts: [ |
| 119 | ast.Stmt(ast.ExprStmt{ |
| 120 | expr: ast.CallExpr{ |
| 121 | lhs: ast.Ident{ |
| 122 | name: 'bar' |
| 123 | pos: pos(24) |
| 124 | } |
| 125 | pos: pos(24) |
| 126 | } |
| 127 | }), |
| 128 | ] |
| 129 | }), |
| 130 | ast.Stmt(ast.FnDecl{ |
| 131 | name: 'bar' |
| 132 | typ: ast.FnType{} |
| 133 | pos: pos(25) |
| 134 | }), |
| 135 | ] |
| 136 | }, |
| 137 | ] |
| 138 | used := mark_used(files, env) |
| 139 | foo_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 140 | bar_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 141 | assert used[foo_key] |
| 142 | assert used[bar_key] |
| 143 | } |
| 144 | |
| 145 | fn test_mark_used_tracks_method_calls_with_env_types() { |
| 146 | mut env := types.Environment.new() |
| 147 | env.set_expr_type(12, types.Struct{ |
| 148 | name: 'Widget' |
| 149 | }) |
| 150 | files := [ |
| 151 | ast.File{ |
| 152 | mod: 'main' |
| 153 | name: 'main.v' |
| 154 | stmts: [ |
| 155 | ast.Stmt(ast.FnDecl{ |
| 156 | name: 'main' |
| 157 | typ: ast.FnType{} |
| 158 | pos: pos(10) |
| 159 | stmts: [ |
| 160 | ast.Stmt(ast.ExprStmt{ |
| 161 | expr: ast.CallExpr{ |
| 162 | lhs: ast.SelectorExpr{ |
| 163 | lhs: ast.Ident{ |
| 164 | name: 'w' |
| 165 | pos: pos(12) |
| 166 | } |
| 167 | rhs: ast.Ident{ |
| 168 | name: 'ping' |
| 169 | pos: pos(13) |
| 170 | } |
| 171 | pos: pos(13) |
| 172 | } |
| 173 | pos: pos(13) |
| 174 | } |
| 175 | }), |
| 176 | ] |
| 177 | }), |
| 178 | ast.Stmt(ast.FnDecl{ |
| 179 | is_method: true |
| 180 | receiver: ast.Parameter{ |
| 181 | name: 'w' |
| 182 | typ: ast.Ident{ |
| 183 | name: 'Widget' |
| 184 | pos: pos(14) |
| 185 | } |
| 186 | pos: pos(14) |
| 187 | } |
| 188 | name: 'ping' |
| 189 | typ: ast.FnType{} |
| 190 | pos: pos(15) |
| 191 | }), |
| 192 | ast.Stmt(ast.FnDecl{ |
| 193 | is_method: true |
| 194 | receiver: ast.Parameter{ |
| 195 | name: 'w' |
| 196 | typ: ast.Ident{ |
| 197 | name: 'Widget' |
| 198 | pos: pos(16) |
| 199 | } |
| 200 | pos: pos(16) |
| 201 | } |
| 202 | name: 'unused' |
| 203 | typ: ast.FnType{} |
| 204 | pos: pos(17) |
| 205 | }), |
| 206 | ] |
| 207 | }, |
| 208 | ] |
| 209 | used := mark_used(files, env) |
| 210 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 211 | ping_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 212 | unused_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 213 | assert used[main_key] |
| 214 | assert used[ping_key] |
| 215 | assert !used[unused_key] |
| 216 | } |
| 217 | |
| 218 | fn test_mark_used_tracks_current_receiver_method_calls() { |
| 219 | mut env := types.Environment.new() |
| 220 | env.set_expr_type(32, types.Struct{ |
| 221 | name: 'Builder' |
| 222 | }) |
| 223 | builder_ptr := ast.Type(ast.PointerType{ |
| 224 | base_type: ast.Ident{ |
| 225 | name: 'Builder' |
| 226 | pos: pos(33) |
| 227 | } |
| 228 | }) |
| 229 | files := [ |
| 230 | ast.File{ |
| 231 | mod: 'main' |
| 232 | name: 'main.v' |
| 233 | stmts: [ |
| 234 | ast.Stmt(ast.FnDecl{ |
| 235 | name: 'main' |
| 236 | typ: ast.FnType{} |
| 237 | pos: pos(30) |
| 238 | stmts: [ |
| 239 | ast.Stmt(ast.ExprStmt{ |
| 240 | expr: ast.CallExpr{ |
| 241 | lhs: ast.SelectorExpr{ |
| 242 | lhs: ast.Ident{ |
| 243 | name: 'b' |
| 244 | pos: pos(32) |
| 245 | } |
| 246 | rhs: ast.Ident{ |
| 247 | name: 'build' |
| 248 | pos: pos(34) |
| 249 | } |
| 250 | pos: pos(34) |
| 251 | } |
| 252 | pos: pos(34) |
| 253 | } |
| 254 | }), |
| 255 | ] |
| 256 | }), |
| 257 | ast.Stmt(ast.FnDecl{ |
| 258 | is_method: true |
| 259 | receiver: ast.Parameter{ |
| 260 | name: 'b' |
| 261 | typ: builder_ptr |
| 262 | pos: pos(35) |
| 263 | } |
| 264 | name: 'build' |
| 265 | typ: ast.FnType{} |
| 266 | pos: pos(36) |
| 267 | stmts: [ |
| 268 | ast.Stmt(ast.ExprStmt{ |
| 269 | expr: ast.CallExpr{ |
| 270 | lhs: ast.SelectorExpr{ |
| 271 | lhs: ast.Ident{ |
| 272 | name: 'b' |
| 273 | pos: pos(37) |
| 274 | } |
| 275 | rhs: ast.Ident{ |
| 276 | name: 'helper' |
| 277 | pos: pos(38) |
| 278 | } |
| 279 | pos: pos(38) |
| 280 | } |
| 281 | pos: pos(38) |
| 282 | } |
| 283 | }), |
| 284 | ] |
| 285 | }), |
| 286 | ast.Stmt(ast.FnDecl{ |
| 287 | is_method: true |
| 288 | receiver: ast.Parameter{ |
| 289 | name: 'b' |
| 290 | typ: builder_ptr |
| 291 | pos: pos(39) |
| 292 | } |
| 293 | name: 'helper' |
| 294 | typ: ast.FnType{} |
| 295 | pos: pos(40) |
| 296 | }), |
| 297 | ast.Stmt(ast.FnDecl{ |
| 298 | is_method: true |
| 299 | receiver: ast.Parameter{ |
| 300 | name: 'b' |
| 301 | typ: builder_ptr |
| 302 | pos: pos(41) |
| 303 | } |
| 304 | name: 'unused' |
| 305 | typ: ast.FnType{} |
| 306 | pos: pos(42) |
| 307 | }), |
| 308 | ] |
| 309 | }, |
| 310 | ] |
| 311 | used := mark_used(files, env) |
| 312 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 313 | build_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 314 | helper_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 315 | unused_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 316 | assert used[main_key] |
| 317 | assert used[build_key] |
| 318 | assert used[helper_key] |
| 319 | assert !used[unused_key] |
| 320 | } |
| 321 | |
| 322 | fn test_mark_used_keeps_methods_for_live_comptime_method_loop() { |
| 323 | mut env := types.Environment.new() |
| 324 | app_type := ast.Expr(ast.Ident{ |
| 325 | name: 'App' |
| 326 | pos: pos(90) |
| 327 | }) |
| 328 | app_receiver := ast.Parameter{ |
| 329 | name: 'app' |
| 330 | typ: app_type |
| 331 | pos: pos(91) |
| 332 | } |
| 333 | files := [ |
| 334 | ast.File{ |
| 335 | mod: 'main' |
| 336 | name: 'main.v' |
| 337 | stmts: [ |
| 338 | ast.Stmt(ast.FnDecl{ |
| 339 | name: 'main' |
| 340 | typ: ast.FnType{} |
| 341 | pos: pos(92) |
| 342 | stmts: [ |
| 343 | ast.Stmt(ast.ExprStmt{ |
| 344 | expr: ast.CallExpr{ |
| 345 | lhs: ast.Ident{ |
| 346 | name: 'dispatch' |
| 347 | pos: pos(93) |
| 348 | } |
| 349 | pos: pos(93) |
| 350 | } |
| 351 | }), |
| 352 | ] |
| 353 | }), |
| 354 | ast.Stmt(ast.FnDecl{ |
| 355 | name: 'dispatch' |
| 356 | typ: ast.FnType{} |
| 357 | pos: pos(94) |
| 358 | stmts: [ |
| 359 | ast.Stmt(ast.ComptimeStmt{ |
| 360 | stmt: ast.Stmt(ast.ForStmt{ |
| 361 | init: ast.Stmt(ast.ForInStmt{ |
| 362 | value: ast.Expr(ast.Ident{ |
| 363 | name: 'method' |
| 364 | pos: pos(95) |
| 365 | }) |
| 366 | expr: ast.Expr(ast.SelectorExpr{ |
| 367 | lhs: app_type |
| 368 | rhs: ast.Ident{ |
| 369 | name: 'methods' |
| 370 | pos: pos(96) |
| 371 | } |
| 372 | pos: pos(96) |
| 373 | }) |
| 374 | }) |
| 375 | stmts: [ |
| 376 | ast.Stmt(ast.ExprStmt{ |
| 377 | expr: ast.CallExpr{ |
| 378 | lhs: ast.SelectorExpr{ |
| 379 | lhs: ast.Ident{ |
| 380 | name: 'app' |
| 381 | pos: pos(97) |
| 382 | } |
| 383 | rhs: ast.Ident{ |
| 384 | name: '__comptime_selector__' |
| 385 | pos: pos(98) |
| 386 | } |
| 387 | pos: pos(98) |
| 388 | } |
| 389 | pos: pos(98) |
| 390 | } |
| 391 | }), |
| 392 | ] |
| 393 | }) |
| 394 | }), |
| 395 | ] |
| 396 | }), |
| 397 | ast.Stmt(ast.FnDecl{ |
| 398 | is_method: true |
| 399 | receiver: app_receiver |
| 400 | name: 'index' |
| 401 | typ: ast.FnType{} |
| 402 | pos: pos(99) |
| 403 | }), |
| 404 | ast.Stmt(ast.FnDecl{ |
| 405 | is_method: true |
| 406 | receiver: app_receiver |
| 407 | name: 'settings' |
| 408 | typ: ast.FnType{} |
| 409 | pos: pos(100) |
| 410 | }), |
| 411 | ast.Stmt(ast.FnDecl{ |
| 412 | is_method: true |
| 413 | receiver: ast.Parameter{ |
| 414 | name: 'other' |
| 415 | typ: ast.Expr(ast.Ident{ |
| 416 | name: 'Other' |
| 417 | pos: pos(101) |
| 418 | }) |
| 419 | pos: pos(101) |
| 420 | } |
| 421 | name: 'unrelated' |
| 422 | typ: ast.FnType{} |
| 423 | pos: pos(102) |
| 424 | }), |
| 425 | ] |
| 426 | }, |
| 427 | ] |
| 428 | used := mark_used(files, env) |
| 429 | flat := ast.flatten_files(files) |
| 430 | flat_used := mark_used_flat(&flat, env) |
| 431 | dispatch_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 432 | index_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 433 | settings_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 434 | unrelated_key := decl_key('main', files[0].stmts[4] as ast.FnDecl, env) |
| 435 | assert used[dispatch_key] |
| 436 | assert used[index_key] |
| 437 | assert used[settings_key] |
| 438 | assert !used[unrelated_key] |
| 439 | assert flat_used[dispatch_key] |
| 440 | assert flat_used[index_key] |
| 441 | assert flat_used[settings_key] |
| 442 | assert !flat_used[unrelated_key] |
| 443 | } |
| 444 | |
| 445 | fn test_mark_used_tracks_bound_method_values_in_struct_init() { |
| 446 | mut env := types.Environment.new() |
| 447 | env.set_expr_type(62, types.Pointer{ |
| 448 | base_type: types.Type(types.Struct{ |
| 449 | name: 'Game' |
| 450 | }) |
| 451 | }) |
| 452 | files := [ |
| 453 | ast.File{ |
| 454 | mod: 'main' |
| 455 | name: 'main.v' |
| 456 | stmts: [ |
| 457 | ast.Stmt(ast.FnDecl{ |
| 458 | name: 'main' |
| 459 | typ: ast.FnType{} |
| 460 | pos: pos(60) |
| 461 | stmts: [ |
| 462 | ast.Stmt(ast.ExprStmt{ |
| 463 | expr: ast.InitExpr{ |
| 464 | typ: ast.Ident{ |
| 465 | name: 'Config' |
| 466 | pos: pos(61) |
| 467 | } |
| 468 | fields: [ |
| 469 | ast.FieldInit{ |
| 470 | name: 'draw_fn' |
| 471 | value: ast.SelectorExpr{ |
| 472 | lhs: ast.Ident{ |
| 473 | name: 'game' |
| 474 | pos: pos(62) |
| 475 | } |
| 476 | rhs: ast.Ident{ |
| 477 | name: 'draw' |
| 478 | pos: pos(63) |
| 479 | } |
| 480 | pos: pos(63) |
| 481 | } |
| 482 | }, |
| 483 | ] |
| 484 | pos: pos(64) |
| 485 | } |
| 486 | }), |
| 487 | ] |
| 488 | }), |
| 489 | ast.Stmt(ast.FnDecl{ |
| 490 | is_method: true |
| 491 | receiver: ast.Parameter{ |
| 492 | name: 'g' |
| 493 | typ: ast.Ident{ |
| 494 | name: 'Game' |
| 495 | pos: pos(65) |
| 496 | } |
| 497 | pos: pos(65) |
| 498 | } |
| 499 | name: 'draw' |
| 500 | typ: ast.FnType{} |
| 501 | pos: pos(66) |
| 502 | }), |
| 503 | ast.Stmt(ast.FnDecl{ |
| 504 | is_method: true |
| 505 | receiver: ast.Parameter{ |
| 506 | name: 'g' |
| 507 | typ: ast.Ident{ |
| 508 | name: 'Game' |
| 509 | pos: pos(67) |
| 510 | } |
| 511 | pos: pos(67) |
| 512 | } |
| 513 | name: 'unused' |
| 514 | typ: ast.FnType{} |
| 515 | pos: pos(68) |
| 516 | }), |
| 517 | ] |
| 518 | }, |
| 519 | ] |
| 520 | used := mark_used(files, env) |
| 521 | flat := ast.flatten_files(files) |
| 522 | flat_used := mark_used_flat(&flat, env) |
| 523 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 524 | draw_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 525 | unused_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 526 | assert used[main_key] |
| 527 | assert used[draw_key] |
| 528 | assert !used[unused_key] |
| 529 | assert flat_used[main_key] |
| 530 | assert flat_used[draw_key] |
| 531 | assert !flat_used[unused_key] |
| 532 | } |
| 533 | |
| 534 | fn test_mark_used_tracks_typed_bound_method_values_without_receiver_type() { |
| 535 | mut env := types.Environment.new() |
| 536 | env.set_expr_type(73, types.Type(types.Alias{ |
| 537 | name: 'DrawFn' |
| 538 | base_type: types.Type(types.FnType{}) |
| 539 | })) |
| 540 | files := [ |
| 541 | ast.File{ |
| 542 | mod: 'main' |
| 543 | name: 'main.v' |
| 544 | stmts: [ |
| 545 | ast.Stmt(ast.FnDecl{ |
| 546 | name: 'main' |
| 547 | typ: ast.FnType{} |
| 548 | pos: pos(70) |
| 549 | stmts: [ |
| 550 | ast.Stmt(ast.ExprStmt{ |
| 551 | expr: ast.InitExpr{ |
| 552 | typ: ast.Ident{ |
| 553 | name: 'Config' |
| 554 | pos: pos(71) |
| 555 | } |
| 556 | fields: [ |
| 557 | ast.FieldInit{ |
| 558 | name: 'draw_fn' |
| 559 | value: ast.SelectorExpr{ |
| 560 | lhs: ast.Ident{ |
| 561 | name: 'game' |
| 562 | pos: pos(72) |
| 563 | } |
| 564 | rhs: ast.Ident{ |
| 565 | name: 'draw' |
| 566 | pos: pos(73) |
| 567 | } |
| 568 | pos: pos(73) |
| 569 | } |
| 570 | }, |
| 571 | ] |
| 572 | pos: pos(74) |
| 573 | } |
| 574 | }), |
| 575 | ] |
| 576 | }), |
| 577 | ast.Stmt(ast.FnDecl{ |
| 578 | is_method: true |
| 579 | receiver: ast.Parameter{ |
| 580 | name: 'g' |
| 581 | typ: ast.Ident{ |
| 582 | name: 'Game' |
| 583 | pos: pos(75) |
| 584 | } |
| 585 | pos: pos(75) |
| 586 | } |
| 587 | name: 'draw' |
| 588 | typ: ast.FnType{} |
| 589 | pos: pos(76) |
| 590 | }), |
| 591 | ast.Stmt(ast.FnDecl{ |
| 592 | is_method: true |
| 593 | receiver: ast.Parameter{ |
| 594 | name: 'g' |
| 595 | typ: ast.Ident{ |
| 596 | name: 'Game' |
| 597 | pos: pos(77) |
| 598 | } |
| 599 | pos: pos(77) |
| 600 | } |
| 601 | name: 'unused' |
| 602 | typ: ast.FnType{} |
| 603 | pos: pos(78) |
| 604 | }), |
| 605 | ] |
| 606 | }, |
| 607 | ] |
| 608 | used := mark_used(files, env) |
| 609 | flat := ast.flatten_files(files) |
| 610 | flat_used := mark_used_flat(&flat, env) |
| 611 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 612 | draw_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 613 | unused_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 614 | assert used[main_key] |
| 615 | assert used[draw_key] |
| 616 | assert !used[unused_key] |
| 617 | assert flat_used[main_key] |
| 618 | assert flat_used[draw_key] |
| 619 | assert !flat_used[unused_key] |
| 620 | } |
| 621 | |
| 622 | fn test_mark_used_tracks_bound_method_values_in_function_typed_struct_fields() { |
| 623 | mut env := types.Environment.new() |
| 624 | mut main_scope := types.new_scope(unsafe { nil }) |
| 625 | main_scope.insert_type('DrawFn', types.Type(types.Alias{ |
| 626 | name: 'DrawFn' |
| 627 | base_type: types.Type(types.FnType{}) |
| 628 | })) |
| 629 | lock env.scopes { |
| 630 | env.scopes['main'] = main_scope |
| 631 | } |
| 632 | files := [ |
| 633 | ast.File{ |
| 634 | mod: 'main' |
| 635 | name: 'main.v' |
| 636 | stmts: [ |
| 637 | ast.Stmt(ast.StructDecl{ |
| 638 | name: 'Config' |
| 639 | fields: [ |
| 640 | ast.FieldDecl{ |
| 641 | name: 'draw_fn' |
| 642 | typ: ast.Ident{ |
| 643 | name: 'DrawFn' |
| 644 | pos: pos(80) |
| 645 | } |
| 646 | }, |
| 647 | ] |
| 648 | }), |
| 649 | ast.Stmt(ast.FnDecl{ |
| 650 | name: 'main' |
| 651 | typ: ast.FnType{} |
| 652 | pos: pos(81) |
| 653 | stmts: [ |
| 654 | ast.Stmt(ast.ExprStmt{ |
| 655 | expr: ast.InitExpr{ |
| 656 | typ: ast.Ident{ |
| 657 | name: 'Config' |
| 658 | pos: pos(82) |
| 659 | } |
| 660 | fields: [ |
| 661 | ast.FieldInit{ |
| 662 | name: 'draw_fn' |
| 663 | value: ast.SelectorExpr{ |
| 664 | lhs: ast.Ident{ |
| 665 | name: 'game' |
| 666 | pos: pos(83) |
| 667 | } |
| 668 | rhs: ast.Ident{ |
| 669 | name: 'draw' |
| 670 | pos: pos(84) |
| 671 | } |
| 672 | pos: pos(84) |
| 673 | } |
| 674 | }, |
| 675 | ] |
| 676 | pos: pos(85) |
| 677 | } |
| 678 | }), |
| 679 | ] |
| 680 | }), |
| 681 | ast.Stmt(ast.FnDecl{ |
| 682 | is_method: true |
| 683 | receiver: ast.Parameter{ |
| 684 | name: 'g' |
| 685 | typ: ast.Ident{ |
| 686 | name: 'Game' |
| 687 | pos: pos(86) |
| 688 | } |
| 689 | pos: pos(86) |
| 690 | } |
| 691 | name: 'draw' |
| 692 | typ: ast.FnType{} |
| 693 | pos: pos(87) |
| 694 | }), |
| 695 | ast.Stmt(ast.FnDecl{ |
| 696 | is_method: true |
| 697 | receiver: ast.Parameter{ |
| 698 | name: 'g' |
| 699 | typ: ast.Ident{ |
| 700 | name: 'Game' |
| 701 | pos: pos(88) |
| 702 | } |
| 703 | pos: pos(88) |
| 704 | } |
| 705 | name: 'unused' |
| 706 | typ: ast.FnType{} |
| 707 | pos: pos(89) |
| 708 | }), |
| 709 | ] |
| 710 | }, |
| 711 | ] |
| 712 | used := mark_used(files, env) |
| 713 | flat := ast.flatten_files(files) |
| 714 | flat_used := mark_used_flat(&flat, env) |
| 715 | main_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 716 | draw_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 717 | unused_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 718 | assert used[main_key] |
| 719 | assert used[draw_key] |
| 720 | assert !used[unused_key] |
| 721 | assert flat_used[main_key] |
| 722 | assert flat_used[draw_key] |
| 723 | assert !flat_used[unused_key] |
| 724 | } |
| 725 | |
| 726 | fn test_mark_used_walks_codegen_required_str_methods() { |
| 727 | mut env := types.Environment.new() |
| 728 | files := [ |
| 729 | ast.File{ |
| 730 | mod: 'main' |
| 731 | name: 'main.v' |
| 732 | stmts: [ |
| 733 | ast.Stmt(ast.FnDecl{ |
| 734 | name: 'main' |
| 735 | typ: ast.FnType{} |
| 736 | pos: pos(90) |
| 737 | }), |
| 738 | ] |
| 739 | }, |
| 740 | ast.File{ |
| 741 | mod: 'time' |
| 742 | name: 'time.v' |
| 743 | stmts: [ |
| 744 | ast.Stmt(ast.StructDecl{ |
| 745 | name: 'Time' |
| 746 | }), |
| 747 | ast.Stmt(ast.FnDecl{ |
| 748 | is_method: true |
| 749 | receiver: ast.Parameter{ |
| 750 | name: 't' |
| 751 | typ: ast.Ident{ |
| 752 | name: 'Time' |
| 753 | pos: pos(91) |
| 754 | } |
| 755 | pos: pos(91) |
| 756 | } |
| 757 | name: 'str' |
| 758 | typ: ast.FnType{} |
| 759 | pos: pos(92) |
| 760 | stmts: [ |
| 761 | ast.Stmt(ast.ReturnStmt{ |
| 762 | exprs: [ |
| 763 | ast.Expr(ast.CallExpr{ |
| 764 | lhs: ast.SelectorExpr{ |
| 765 | lhs: ast.Ident{ |
| 766 | name: 't' |
| 767 | pos: pos(93) |
| 768 | } |
| 769 | rhs: ast.Ident{ |
| 770 | name: 'format_ss' |
| 771 | pos: pos(94) |
| 772 | } |
| 773 | pos: pos(94) |
| 774 | } |
| 775 | pos: pos(94) |
| 776 | }), |
| 777 | ] |
| 778 | }), |
| 779 | ] |
| 780 | }), |
| 781 | ast.Stmt(ast.FnDecl{ |
| 782 | is_method: true |
| 783 | receiver: ast.Parameter{ |
| 784 | name: 't' |
| 785 | typ: ast.Ident{ |
| 786 | name: 'Time' |
| 787 | pos: pos(95) |
| 788 | } |
| 789 | pos: pos(95) |
| 790 | } |
| 791 | name: 'format_ss' |
| 792 | typ: ast.FnType{} |
| 793 | pos: pos(96) |
| 794 | }), |
| 795 | ] |
| 796 | }, |
| 797 | ] |
| 798 | used := mark_used(files, env) |
| 799 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 800 | str_key := decl_key('time', files[1].stmts[1] as ast.FnDecl, env) |
| 801 | format_key := decl_key('time', files[1].stmts[2] as ast.FnDecl, env) |
| 802 | assert used[main_key] |
| 803 | assert used[str_key] |
| 804 | assert used[format_key] |
| 805 | } |
| 806 | |
| 807 | fn test_mark_used_walks_codegen_required_sync_method_roots() { |
| 808 | mut env := types.Environment.new() |
| 809 | spin_lock_ptr := ast.Expr(ast.PrefixExpr{ |
| 810 | pos: pos(110) |
| 811 | op: .amp |
| 812 | expr: ast.Ident{ |
| 813 | name: 'SpinLock' |
| 814 | pos: pos(111) |
| 815 | } |
| 816 | }) |
| 817 | files := [ |
| 818 | ast.File{ |
| 819 | mod: 'main' |
| 820 | name: 'main.v' |
| 821 | stmts: [ |
| 822 | ast.Stmt(ast.FnDecl{ |
| 823 | name: 'main' |
| 824 | typ: ast.FnType{} |
| 825 | pos: pos(112) |
| 826 | }), |
| 827 | ] |
| 828 | }, |
| 829 | ast.File{ |
| 830 | mod: 'sync' |
| 831 | name: 'channels.c.v' |
| 832 | stmts: [ |
| 833 | ast.Stmt(ast.StructDecl{ |
| 834 | name: 'SpinLock' |
| 835 | }), |
| 836 | ast.Stmt(ast.StructDecl{ |
| 837 | name: 'Channel' |
| 838 | fields: [ |
| 839 | ast.FieldDecl{ |
| 840 | name: 'read_sub_mtx' |
| 841 | typ: spin_lock_ptr |
| 842 | }, |
| 843 | ] |
| 844 | }), |
| 845 | ast.Stmt(ast.FnDecl{ |
| 846 | is_method: true |
| 847 | receiver: ast.Parameter{ |
| 848 | name: 'ch' |
| 849 | typ: ast.Ident{ |
| 850 | name: 'Channel' |
| 851 | pos: pos(113) |
| 852 | } |
| 853 | pos: pos(113) |
| 854 | } |
| 855 | name: 'try_wait' |
| 856 | typ: ast.FnType{} |
| 857 | pos: pos(114) |
| 858 | stmts: [ |
| 859 | ast.Stmt(ast.ExprStmt{ |
| 860 | expr: ast.CallExpr{ |
| 861 | lhs: ast.SelectorExpr{ |
| 862 | lhs: ast.SelectorExpr{ |
| 863 | lhs: ast.Ident{ |
| 864 | name: 'ch' |
| 865 | pos: pos(115) |
| 866 | } |
| 867 | rhs: ast.Ident{ |
| 868 | name: 'read_sub_mtx' |
| 869 | pos: pos(116) |
| 870 | } |
| 871 | pos: pos(116) |
| 872 | } |
| 873 | rhs: ast.Ident{ |
| 874 | name: 'lock' |
| 875 | pos: pos(117) |
| 876 | } |
| 877 | pos: pos(117) |
| 878 | } |
| 879 | pos: pos(117) |
| 880 | } |
| 881 | }), |
| 882 | ] |
| 883 | }), |
| 884 | ast.Stmt(ast.FnDecl{ |
| 885 | is_method: true |
| 886 | receiver: ast.Parameter{ |
| 887 | name: 's' |
| 888 | typ: spin_lock_ptr |
| 889 | pos: pos(118) |
| 890 | } |
| 891 | name: 'lock' |
| 892 | typ: ast.FnType{} |
| 893 | pos: pos(119) |
| 894 | }), |
| 895 | ] |
| 896 | }, |
| 897 | ] |
| 898 | used := mark_used(files, env) |
| 899 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 900 | try_wait_key := decl_key('sync', files[1].stmts[2] as ast.FnDecl, env) |
| 901 | lock_key := decl_key('sync', files[1].stmts[3] as ast.FnDecl, env) |
| 902 | assert used[main_key] |
| 903 | assert used[try_wait_key] |
| 904 | assert used[lock_key] |
| 905 | } |
| 906 | |
| 907 | fn test_mark_used_tracks_embedded_methods_for_interface_conversions() { |
| 908 | mut env := types.Environment.new() |
| 909 | files := [ |
| 910 | ast.File{ |
| 911 | mod: 'main' |
| 912 | name: 'main.v' |
| 913 | stmts: [ |
| 914 | ast.Stmt(ast.InterfaceDecl{ |
| 915 | name: 'Logger' |
| 916 | fields: [ |
| 917 | ast.FieldDecl{ |
| 918 | name: 'get_level' |
| 919 | typ: ast.Type(ast.FnType{}) |
| 920 | is_interface_method: true |
| 921 | }, |
| 922 | ] |
| 923 | }), |
| 924 | ast.Stmt(ast.GlobalDecl{ |
| 925 | fields: [ |
| 926 | ast.FieldDecl{ |
| 927 | name: 'logger' |
| 928 | typ: ast.Type(ast.PointerType{ |
| 929 | base_type: ast.Ident{ |
| 930 | name: 'Logger' |
| 931 | pos: pos(60) |
| 932 | } |
| 933 | }) |
| 934 | }, |
| 935 | ] |
| 936 | }), |
| 937 | ast.Stmt(ast.StructDecl{ |
| 938 | name: 'Log' |
| 939 | }), |
| 940 | ast.Stmt(ast.StructDecl{ |
| 941 | name: 'ThreadSafeLog' |
| 942 | embedded: [ |
| 943 | ast.Expr(ast.Ident{ |
| 944 | name: 'Log' |
| 945 | pos: pos(61) |
| 946 | }), |
| 947 | ] |
| 948 | }), |
| 949 | ast.Stmt(ast.FnDecl{ |
| 950 | is_method: true |
| 951 | receiver: ast.Parameter{ |
| 952 | name: 'l' |
| 953 | typ: ast.Ident{ |
| 954 | name: 'Log' |
| 955 | pos: pos(62) |
| 956 | } |
| 957 | pos: pos(62) |
| 958 | } |
| 959 | name: 'get_level' |
| 960 | typ: ast.FnType{} |
| 961 | pos: pos(63) |
| 962 | }), |
| 963 | ast.Stmt(ast.FnDecl{ |
| 964 | is_method: true |
| 965 | receiver: ast.Parameter{ |
| 966 | name: 'l' |
| 967 | typ: ast.Ident{ |
| 968 | name: 'Log' |
| 969 | pos: pos(64) |
| 970 | } |
| 971 | pos: pos(64) |
| 972 | } |
| 973 | name: 'unused' |
| 974 | typ: ast.FnType{} |
| 975 | pos: pos(65) |
| 976 | }), |
| 977 | ast.Stmt(ast.FnDecl{ |
| 978 | name: 'main' |
| 979 | typ: ast.FnType{} |
| 980 | pos: pos(66) |
| 981 | stmts: [ |
| 982 | ast.Stmt(ast.AssignStmt{ |
| 983 | lhs: [ |
| 984 | ast.Expr(ast.Ident{ |
| 985 | name: 'logger' |
| 986 | pos: pos(67) |
| 987 | }), |
| 988 | ] |
| 989 | rhs: [ |
| 990 | ast.Expr(ast.InitExpr{ |
| 991 | typ: ast.Ident{ |
| 992 | name: 'ThreadSafeLog' |
| 993 | pos: pos(68) |
| 994 | } |
| 995 | pos: pos(68) |
| 996 | }), |
| 997 | ] |
| 998 | }), |
| 999 | ] |
| 1000 | }), |
| 1001 | ] |
| 1002 | }, |
| 1003 | ] |
| 1004 | used := mark_used(files, env) |
| 1005 | main_key := decl_key('main', files[0].stmts[6] as ast.FnDecl, env) |
| 1006 | get_level_key := decl_key('main', files[0].stmts[4] as ast.FnDecl, env) |
| 1007 | unused_key := decl_key('main', files[0].stmts[5] as ast.FnDecl, env) |
| 1008 | assert used[main_key] |
| 1009 | assert used[get_level_key] |
| 1010 | assert !used[unused_key] |
| 1011 | } |
| 1012 | |
| 1013 | fn test_mark_used_tracks_embedded_interface_methods_for_interface_conversions() { |
| 1014 | mut env := types.Environment.new() |
| 1015 | files := [ |
| 1016 | ast.File{ |
| 1017 | mod: 'main' |
| 1018 | name: 'main.v' |
| 1019 | stmts: [ |
| 1020 | ast.Stmt(ast.InterfaceDecl{ |
| 1021 | name: 'Base' |
| 1022 | fields: [ |
| 1023 | ast.FieldDecl{ |
| 1024 | name: 'base_required' |
| 1025 | typ: ast.Type(ast.FnType{}) |
| 1026 | is_interface_method: true |
| 1027 | }, |
| 1028 | ] |
| 1029 | }), |
| 1030 | ast.Stmt(ast.InterfaceDecl{ |
| 1031 | name: 'Child' |
| 1032 | embedded: [ |
| 1033 | ast.Expr(ast.Ident{ |
| 1034 | name: 'Base' |
| 1035 | pos: pos(90) |
| 1036 | }), |
| 1037 | ] |
| 1038 | }), |
| 1039 | ast.Stmt(ast.GlobalDecl{ |
| 1040 | fields: [ |
| 1041 | ast.FieldDecl{ |
| 1042 | name: 'child' |
| 1043 | typ: ast.Ident{ |
| 1044 | name: 'Child' |
| 1045 | pos: pos(91) |
| 1046 | } |
| 1047 | }, |
| 1048 | ] |
| 1049 | }), |
| 1050 | ast.Stmt(ast.StructDecl{ |
| 1051 | name: 'ConcreteChild' |
| 1052 | }), |
| 1053 | ast.Stmt(ast.FnDecl{ |
| 1054 | is_method: true |
| 1055 | receiver: ast.Parameter{ |
| 1056 | name: 'c' |
| 1057 | typ: ast.Ident{ |
| 1058 | name: 'ConcreteChild' |
| 1059 | pos: pos(92) |
| 1060 | } |
| 1061 | pos: pos(92) |
| 1062 | } |
| 1063 | name: 'base_required' |
| 1064 | typ: ast.FnType{} |
| 1065 | pos: pos(93) |
| 1066 | }), |
| 1067 | ast.Stmt(ast.FnDecl{ |
| 1068 | is_method: true |
| 1069 | receiver: ast.Parameter{ |
| 1070 | name: 'c' |
| 1071 | typ: ast.Ident{ |
| 1072 | name: 'ConcreteChild' |
| 1073 | pos: pos(94) |
| 1074 | } |
| 1075 | pos: pos(94) |
| 1076 | } |
| 1077 | name: 'unused' |
| 1078 | typ: ast.FnType{} |
| 1079 | pos: pos(95) |
| 1080 | }), |
| 1081 | ast.Stmt(ast.FnDecl{ |
| 1082 | name: 'main' |
| 1083 | typ: ast.FnType{} |
| 1084 | pos: pos(96) |
| 1085 | stmts: [ |
| 1086 | ast.Stmt(ast.AssignStmt{ |
| 1087 | lhs: [ |
| 1088 | ast.Expr(ast.Ident{ |
| 1089 | name: 'child' |
| 1090 | pos: pos(97) |
| 1091 | }), |
| 1092 | ] |
| 1093 | rhs: [ |
| 1094 | ast.Expr(ast.InitExpr{ |
| 1095 | typ: ast.Ident{ |
| 1096 | name: 'ConcreteChild' |
| 1097 | pos: pos(98) |
| 1098 | } |
| 1099 | pos: pos(98) |
| 1100 | }), |
| 1101 | ] |
| 1102 | }), |
| 1103 | ] |
| 1104 | }), |
| 1105 | ] |
| 1106 | }, |
| 1107 | ] |
| 1108 | used := mark_used(files, env) |
| 1109 | main_key := decl_key('main', files[0].stmts[6] as ast.FnDecl, env) |
| 1110 | base_required_key := decl_key('main', files[0].stmts[4] as ast.FnDecl, env) |
| 1111 | unused_key := decl_key('main', files[0].stmts[5] as ast.FnDecl, env) |
| 1112 | assert used[main_key] |
| 1113 | assert used[base_required_key] |
| 1114 | assert !used[unused_key] |
| 1115 | } |
| 1116 | |
| 1117 | fn test_mark_used_tracks_direct_and_embedded_interface_methods_for_interface_conversions() { |
| 1118 | mut env := types.Environment.new() |
| 1119 | files := [ |
| 1120 | ast.File{ |
| 1121 | mod: 'main' |
| 1122 | name: 'main.v' |
| 1123 | stmts: [ |
| 1124 | ast.Stmt(ast.InterfaceDecl{ |
| 1125 | name: 'Base' |
| 1126 | fields: [ |
| 1127 | ast.FieldDecl{ |
| 1128 | name: 'base_required' |
| 1129 | typ: ast.Type(ast.FnType{}) |
| 1130 | is_interface_method: true |
| 1131 | }, |
| 1132 | ] |
| 1133 | }), |
| 1134 | ast.Stmt(ast.InterfaceDecl{ |
| 1135 | name: 'Child' |
| 1136 | embedded: [ |
| 1137 | ast.Expr(ast.Ident{ |
| 1138 | name: 'Base' |
| 1139 | pos: pos(100) |
| 1140 | }), |
| 1141 | ] |
| 1142 | fields: [ |
| 1143 | ast.FieldDecl{ |
| 1144 | name: 'child_required' |
| 1145 | typ: ast.Type(ast.FnType{}) |
| 1146 | is_interface_method: true |
| 1147 | }, |
| 1148 | ] |
| 1149 | }), |
| 1150 | ast.Stmt(ast.GlobalDecl{ |
| 1151 | fields: [ |
| 1152 | ast.FieldDecl{ |
| 1153 | name: 'child' |
| 1154 | typ: ast.Ident{ |
| 1155 | name: 'Child' |
| 1156 | pos: pos(101) |
| 1157 | } |
| 1158 | }, |
| 1159 | ] |
| 1160 | }), |
| 1161 | ast.Stmt(ast.StructDecl{ |
| 1162 | name: 'ConcreteUnion' |
| 1163 | }), |
| 1164 | ast.Stmt(ast.FnDecl{ |
| 1165 | is_method: true |
| 1166 | receiver: ast.Parameter{ |
| 1167 | name: 'c' |
| 1168 | typ: ast.Ident{ |
| 1169 | name: 'ConcreteUnion' |
| 1170 | pos: pos(102) |
| 1171 | } |
| 1172 | pos: pos(102) |
| 1173 | } |
| 1174 | name: 'base_required' |
| 1175 | typ: ast.FnType{} |
| 1176 | pos: pos(103) |
| 1177 | }), |
| 1178 | ast.Stmt(ast.FnDecl{ |
| 1179 | is_method: true |
| 1180 | receiver: ast.Parameter{ |
| 1181 | name: 'c' |
| 1182 | typ: ast.Ident{ |
| 1183 | name: 'ConcreteUnion' |
| 1184 | pos: pos(104) |
| 1185 | } |
| 1186 | pos: pos(104) |
| 1187 | } |
| 1188 | name: 'child_required' |
| 1189 | typ: ast.FnType{} |
| 1190 | pos: pos(105) |
| 1191 | }), |
| 1192 | ast.Stmt(ast.FnDecl{ |
| 1193 | is_method: true |
| 1194 | receiver: ast.Parameter{ |
| 1195 | name: 'c' |
| 1196 | typ: ast.Ident{ |
| 1197 | name: 'ConcreteUnion' |
| 1198 | pos: pos(106) |
| 1199 | } |
| 1200 | pos: pos(106) |
| 1201 | } |
| 1202 | name: 'unused' |
| 1203 | typ: ast.FnType{} |
| 1204 | pos: pos(107) |
| 1205 | }), |
| 1206 | ast.Stmt(ast.FnDecl{ |
| 1207 | name: 'main' |
| 1208 | typ: ast.FnType{} |
| 1209 | pos: pos(108) |
| 1210 | stmts: [ |
| 1211 | ast.Stmt(ast.AssignStmt{ |
| 1212 | lhs: [ |
| 1213 | ast.Expr(ast.Ident{ |
| 1214 | name: 'child' |
| 1215 | pos: pos(109) |
| 1216 | }), |
| 1217 | ] |
| 1218 | rhs: [ |
| 1219 | ast.Expr(ast.InitExpr{ |
| 1220 | typ: ast.Ident{ |
| 1221 | name: 'ConcreteUnion' |
| 1222 | pos: pos(110) |
| 1223 | } |
| 1224 | pos: pos(110) |
| 1225 | }), |
| 1226 | ] |
| 1227 | }), |
| 1228 | ] |
| 1229 | }), |
| 1230 | ] |
| 1231 | }, |
| 1232 | ] |
| 1233 | used := mark_used(files, env) |
| 1234 | main_key := decl_key('main', files[0].stmts[7] as ast.FnDecl, env) |
| 1235 | base_required_key := decl_key('main', files[0].stmts[4] as ast.FnDecl, env) |
| 1236 | child_required_key := decl_key('main', files[0].stmts[5] as ast.FnDecl, env) |
| 1237 | unused_key := decl_key('main', files[0].stmts[6] as ast.FnDecl, env) |
| 1238 | assert used[main_key] |
| 1239 | assert used[base_required_key] |
| 1240 | assert used[child_required_key] |
| 1241 | assert !used[unused_key] |
| 1242 | } |
| 1243 | |
| 1244 | fn test_mark_used_does_not_treat_interface_fn_field_as_method() { |
| 1245 | mut env := types.Environment.new() |
| 1246 | files := [ |
| 1247 | ast.File{ |
| 1248 | mod: 'main' |
| 1249 | name: 'main.v' |
| 1250 | stmts: [ |
| 1251 | ast.Stmt(ast.InterfaceDecl{ |
| 1252 | name: 'HandlerBox' |
| 1253 | fields: [ |
| 1254 | ast.FieldDecl{ |
| 1255 | name: 'handler' |
| 1256 | typ: ast.Type(ast.FnType{ |
| 1257 | params: [ |
| 1258 | ast.Parameter{ |
| 1259 | name: 'value' |
| 1260 | typ: ast.Ident{ |
| 1261 | name: 'int' |
| 1262 | pos: pos(70) |
| 1263 | } |
| 1264 | pos: pos(70) |
| 1265 | }, |
| 1266 | ] |
| 1267 | }) |
| 1268 | }, |
| 1269 | ] |
| 1270 | }), |
| 1271 | ast.Stmt(ast.GlobalDecl{ |
| 1272 | fields: [ |
| 1273 | ast.FieldDecl{ |
| 1274 | name: 'box' |
| 1275 | typ: ast.Ident{ |
| 1276 | name: 'HandlerBox' |
| 1277 | pos: pos(71) |
| 1278 | } |
| 1279 | }, |
| 1280 | ] |
| 1281 | }), |
| 1282 | ast.Stmt(ast.StructDecl{ |
| 1283 | name: 'ConcreteHandler' |
| 1284 | }), |
| 1285 | ast.Stmt(ast.FnDecl{ |
| 1286 | is_method: true |
| 1287 | receiver: ast.Parameter{ |
| 1288 | name: 'h' |
| 1289 | typ: ast.Ident{ |
| 1290 | name: 'ConcreteHandler' |
| 1291 | pos: pos(72) |
| 1292 | } |
| 1293 | pos: pos(72) |
| 1294 | } |
| 1295 | name: 'handler' |
| 1296 | typ: ast.FnType{} |
| 1297 | pos: pos(73) |
| 1298 | }), |
| 1299 | ast.Stmt(ast.FnDecl{ |
| 1300 | name: 'main' |
| 1301 | typ: ast.FnType{} |
| 1302 | pos: pos(74) |
| 1303 | stmts: [ |
| 1304 | ast.Stmt(ast.AssignStmt{ |
| 1305 | lhs: [ |
| 1306 | ast.Expr(ast.Ident{ |
| 1307 | name: 'box' |
| 1308 | pos: pos(75) |
| 1309 | }), |
| 1310 | ] |
| 1311 | rhs: [ |
| 1312 | ast.Expr(ast.InitExpr{ |
| 1313 | typ: ast.Ident{ |
| 1314 | name: 'ConcreteHandler' |
| 1315 | pos: pos(76) |
| 1316 | } |
| 1317 | pos: pos(76) |
| 1318 | }), |
| 1319 | ] |
| 1320 | }), |
| 1321 | ] |
| 1322 | }), |
| 1323 | ] |
| 1324 | }, |
| 1325 | ] |
| 1326 | used := mark_used(files, env) |
| 1327 | handler_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 1328 | main_key := decl_key('main', files[0].stmts[4] as ast.FnDecl, env) |
| 1329 | assert used[main_key] |
| 1330 | assert !used[handler_key] |
| 1331 | } |
| 1332 | |
| 1333 | fn test_mark_used_tracks_function_pointers_in_top_level_const_arrays() { |
| 1334 | mut env := types.Environment.new() |
| 1335 | files := [ |
| 1336 | ast.File{ |
| 1337 | mod: 'main' |
| 1338 | name: 'main.v' |
| 1339 | stmts: [ |
| 1340 | ast.Stmt(ast.ConstDecl{ |
| 1341 | fields: [ |
| 1342 | ast.FieldInit{ |
| 1343 | name: 'validators' |
| 1344 | value: ast.ArrayInitExpr{ |
| 1345 | exprs: [ |
| 1346 | ast.Expr(ast.Ident{ |
| 1347 | name: 'accept' |
| 1348 | pos: pos(51) |
| 1349 | }), |
| 1350 | ] |
| 1351 | pos: pos(50) |
| 1352 | } |
| 1353 | }, |
| 1354 | ] |
| 1355 | }), |
| 1356 | ast.Stmt(ast.FnDecl{ |
| 1357 | name: 'main' |
| 1358 | typ: ast.FnType{} |
| 1359 | pos: pos(52) |
| 1360 | stmts: []ast.Stmt{} |
| 1361 | }), |
| 1362 | ast.Stmt(ast.FnDecl{ |
| 1363 | name: 'accept' |
| 1364 | typ: ast.FnType{} |
| 1365 | pos: pos(53) |
| 1366 | }), |
| 1367 | ast.Stmt(ast.FnDecl{ |
| 1368 | name: 'dead' |
| 1369 | typ: ast.FnType{} |
| 1370 | pos: pos(54) |
| 1371 | }), |
| 1372 | ] |
| 1373 | }, |
| 1374 | ] |
| 1375 | used := mark_used(files, env) |
| 1376 | main_key := decl_key('main', files[0].stmts[1] as ast.FnDecl, env) |
| 1377 | accept_key := decl_key('main', files[0].stmts[2] as ast.FnDecl, env) |
| 1378 | dead_key := decl_key('main', files[0].stmts[3] as ast.FnDecl, env) |
| 1379 | assert used[main_key] |
| 1380 | assert used[accept_key] |
| 1381 | assert !used[dead_key] |
| 1382 | } |
| 1383 | |
| 1384 | fn test_mark_used_tracks_module_function_values_as_call_args() { |
| 1385 | mut env := types.Environment.new() |
| 1386 | callback_type := ast.Type(ast.FnType{ |
| 1387 | params: [ |
| 1388 | ast.Parameter{ |
| 1389 | typ: ast.Ident{ |
| 1390 | name: 'string' |
| 1391 | pos: pos(70) |
| 1392 | } |
| 1393 | }, |
| 1394 | ] |
| 1395 | return_type: ast.Ident{ |
| 1396 | name: 'string' |
| 1397 | pos: pos(71) |
| 1398 | } |
| 1399 | }) |
| 1400 | files := [ |
| 1401 | ast.File{ |
| 1402 | mod: 'main' |
| 1403 | name: 'main.v' |
| 1404 | imports: [ |
| 1405 | ast.ImportStmt{ |
| 1406 | name: 'term' |
| 1407 | }, |
| 1408 | ] |
| 1409 | stmts: [ |
| 1410 | ast.Stmt(ast.FnDecl{ |
| 1411 | name: 'main' |
| 1412 | typ: ast.FnType{} |
| 1413 | pos: pos(72) |
| 1414 | stmts: [ |
| 1415 | ast.Stmt(ast.ExprStmt{ |
| 1416 | expr: ast.CallExpr{ |
| 1417 | lhs: ast.SelectorExpr{ |
| 1418 | lhs: ast.Ident{ |
| 1419 | name: 'term' |
| 1420 | pos: pos(73) |
| 1421 | } |
| 1422 | rhs: ast.Ident{ |
| 1423 | name: 'colorize' |
| 1424 | pos: pos(74) |
| 1425 | } |
| 1426 | pos: pos(74) |
| 1427 | } |
| 1428 | args: [ |
| 1429 | ast.Expr(ast.SelectorExpr{ |
| 1430 | lhs: ast.Ident{ |
| 1431 | name: 'term' |
| 1432 | pos: pos(75) |
| 1433 | } |
| 1434 | rhs: ast.Ident{ |
| 1435 | name: 'green' |
| 1436 | pos: pos(76) |
| 1437 | } |
| 1438 | pos: pos(76) |
| 1439 | }), |
| 1440 | ast.Expr(ast.BasicLiteral{ |
| 1441 | kind: .string |
| 1442 | value: 'ok' |
| 1443 | pos: pos(77) |
| 1444 | }), |
| 1445 | ] |
| 1446 | pos: pos(74) |
| 1447 | } |
| 1448 | }), |
| 1449 | ] |
| 1450 | }), |
| 1451 | ] |
| 1452 | }, |
| 1453 | ast.File{ |
| 1454 | mod: 'term' |
| 1455 | name: 'term.v' |
| 1456 | stmts: [ |
| 1457 | ast.Stmt(ast.FnDecl{ |
| 1458 | name: 'colorize' |
| 1459 | typ: ast.FnType{ |
| 1460 | params: [ |
| 1461 | ast.Parameter{ |
| 1462 | name: 'cfn' |
| 1463 | typ: callback_type |
| 1464 | pos: pos(78) |
| 1465 | }, |
| 1466 | ast.Parameter{ |
| 1467 | name: 's' |
| 1468 | typ: ast.Ident{ |
| 1469 | name: 'string' |
| 1470 | pos: pos(79) |
| 1471 | } |
| 1472 | pos: pos(79) |
| 1473 | }, |
| 1474 | ] |
| 1475 | return_type: ast.Ident{ |
| 1476 | name: 'string' |
| 1477 | pos: pos(80) |
| 1478 | } |
| 1479 | } |
| 1480 | pos: pos(81) |
| 1481 | }), |
| 1482 | ast.Stmt(ast.FnDecl{ |
| 1483 | name: 'green' |
| 1484 | typ: ast.FnType{} |
| 1485 | pos: pos(82) |
| 1486 | }), |
| 1487 | ast.Stmt(ast.FnDecl{ |
| 1488 | name: 'red' |
| 1489 | typ: ast.FnType{} |
| 1490 | pos: pos(83) |
| 1491 | }), |
| 1492 | ] |
| 1493 | }, |
| 1494 | ] |
| 1495 | used := mark_used(files, env) |
| 1496 | main_key := decl_key('main', files[0].stmts[0] as ast.FnDecl, env) |
| 1497 | colorize_key := decl_key('term', files[1].stmts[0] as ast.FnDecl, env) |
| 1498 | green_key := decl_key('term', files[1].stmts[1] as ast.FnDecl, env) |
| 1499 | red_key := decl_key('term', files[1].stmts[2] as ast.FnDecl, env) |
| 1500 | assert used[main_key] |
| 1501 | assert used[colorize_key] |
| 1502 | assert used[green_key] |
| 1503 | assert !used[red_key] |
| 1504 | } |
| 1505 | |
| 1506 | fn test_mark_used_keeps_all_functions_when_no_entry_root_exists() { |
| 1507 | mut env := types.Environment.new() |
| 1508 | files := [ |
| 1509 | ast.File{ |
| 1510 | mod: 'mylib' |
| 1511 | name: 'lib.v' |
| 1512 | stmts: [ |
| 1513 | ast.Stmt(ast.FnDecl{ |
| 1514 | name: 'a' |
| 1515 | typ: ast.FnType{} |
| 1516 | pos: pos(21) |
| 1517 | }), |
| 1518 | ast.Stmt(ast.FnDecl{ |
| 1519 | name: 'b' |
| 1520 | typ: ast.FnType{} |
| 1521 | pos: pos(22) |
| 1522 | }), |
| 1523 | ] |
| 1524 | }, |
| 1525 | ] |
| 1526 | used := mark_used(files, env) |
| 1527 | a_key := decl_key('mylib', files[0].stmts[0] as ast.FnDecl, env) |
| 1528 | b_key := decl_key('mylib', files[0].stmts[1] as ast.FnDecl, env) |
| 1529 | assert used[a_key] |
| 1530 | assert used[b_key] |
| 1531 | } |
| 1532 | |