compiler/
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std/
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collections/
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parser/
resolver/
printer.rad
23.0 KiB
tests.rad
215.4 KiB
scanner/
alloc.rad
4.2 KiB
ast.rad
22.6 KiB
gen.rad
265 B
il.rad
15.1 KiB
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258.3 KiB
module.rad
14.1 KiB
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1.4 KiB
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78.7 KiB
resolver.rad
227.9 KiB
scanner.rad
23.4 KiB
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7.0 KiB
strings.rad
2.2 KiB
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65 B
collections.rad
36 B
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3.8 KiB
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206 B
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lang.rad
222 B
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167 B
testing.rad
2.4 KiB
tests.rad
11.6 KiB
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3.1 KiB
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231 B
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987 B
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252 B
lib/std/lang/resolver/printer.rad
raw
| 1 | //! Resolver scope printer. |
| 2 | use std::io; |
| 3 | use std::lang::ast; |
| 4 | use std::lang::scanner; |
| 5 | use std::lang::module; |
| 6 | |
| 7 | /// Single indentation unit used when rendering nested scopes. |
| 8 | const INDENT_STEP: *[u8] = " "; |
| 9 | |
| 10 | /// Emit indentation for a given nesting depth. |
| 11 | fn printIndent(depth: u32) { |
| 12 | for i in 0..depth { |
| 13 | io::print(INDENT_STEP); |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | /// Print a span in `@offset:length` form. |
| 18 | fn printSpan(span: ast::Span) { |
| 19 | io::print("@"); |
| 20 | io::printU32(span.offset); |
| 21 | io::print(":"); |
| 22 | io::printU32(span.length); |
| 23 | } |
| 24 | |
| 25 | /// Print a resolved type in a textual form. |
| 26 | fn printType(ty: super::Type) { |
| 27 | printTypeBody(ty, false); |
| 28 | } |
| 29 | |
| 30 | /// Print just the type name without detailed structure info. |
| 31 | fn printTypeName(ty: super::Type) { |
| 32 | printTypeBody(ty, true); |
| 33 | } |
| 34 | |
| 35 | /// Print a resolved type, optionally abbreviated for function signatures. |
| 36 | fn printTypeBody(ty: super::Type, brief: bool) { |
| 37 | match ty { |
| 38 | case super::Type::Unknown => { |
| 39 | io::print("<unknown>"); |
| 40 | } |
| 41 | case super::Type::Undefined => { |
| 42 | io::print("<undefined>"); |
| 43 | } |
| 44 | case super::Type::Int => { |
| 45 | io::print("<int>"); |
| 46 | } |
| 47 | case super::Type::Nil => { |
| 48 | io::print("<nil>"); |
| 49 | } |
| 50 | case super::Type::Opaque => { |
| 51 | io::print("opaque"); |
| 52 | } |
| 53 | case super::Type::Never => { |
| 54 | io::print("!"); |
| 55 | } |
| 56 | case super::Type::Void => { |
| 57 | io::print("void"); |
| 58 | } |
| 59 | case super::Type::Bool => { |
| 60 | io::print("bool"); |
| 61 | } |
| 62 | case super::Type::U8 => { |
| 63 | io::print("u8"); |
| 64 | } |
| 65 | case super::Type::U16 => { |
| 66 | io::print("u16"); |
| 67 | } |
| 68 | case super::Type::U32 => { |
| 69 | io::print("u32"); |
| 70 | } |
| 71 | case super::Type::U64 => { |
| 72 | io::print("u64"); |
| 73 | } |
| 74 | case super::Type::I8 => { |
| 75 | io::print("i8"); |
| 76 | } |
| 77 | case super::Type::I16 => { |
| 78 | io::print("i16"); |
| 79 | } |
| 80 | case super::Type::I32 => { |
| 81 | io::print("i32"); |
| 82 | } |
| 83 | case super::Type::I64 => { |
| 84 | io::print("i64"); |
| 85 | } |
| 86 | case super::Type::Pointer { target, mutable } => { |
| 87 | io::print("*"); |
| 88 | if mutable { |
| 89 | io::print("mut "); |
| 90 | } |
| 91 | printTypeBody(*target, brief); |
| 92 | } |
| 93 | case super::Type::Slice { item, mutable } => { |
| 94 | io::print("*"); |
| 95 | if mutable { |
| 96 | io::print("mut "); |
| 97 | } |
| 98 | io::print("["); |
| 99 | printTypeBody(*item, brief); |
| 100 | io::print("]"); |
| 101 | } |
| 102 | case super::Type::Array(array) => { |
| 103 | io::print("["); |
| 104 | printTypeBody(*array.item, brief); |
| 105 | io::print("; "); |
| 106 | io::printU32(array.length); |
| 107 | io::print("]"); |
| 108 | } |
| 109 | case super::Type::Optional(inner) => { |
| 110 | io::print("?"); |
| 111 | printTypeBody(*inner, brief); |
| 112 | } |
| 113 | case super::Type::Fn(fnType) => { |
| 114 | io::print("fn("); |
| 115 | for paramType, i in fnType.paramTypes { |
| 116 | if i > 0 { |
| 117 | io::print(", "); |
| 118 | } |
| 119 | printTypeName(*paramType); |
| 120 | } |
| 121 | io::print(")"); |
| 122 | io::print(" -> "); |
| 123 | printTypeName(*fnType.returnType); |
| 124 | if fnType.throwList.len > 0 { |
| 125 | io::print(" throws "); |
| 126 | for throwType, i in fnType.throwList { |
| 127 | if i > 0 { |
| 128 | io::print(", "); |
| 129 | } |
| 130 | printTypeName(*throwType); |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | case super::Type::Nominal(info) => { |
| 135 | if brief { |
| 136 | printNominalTypeName(info); |
| 137 | } else { |
| 138 | printNominalType(info); |
| 139 | } |
| 140 | } |
| 141 | case super::Type::TraitObject { traitInfo, mutable } => { |
| 142 | io::print("*"); |
| 143 | if mutable { |
| 144 | io::print("mut "); |
| 145 | } |
| 146 | io::print("opaque "); |
| 147 | io::print(traitInfo.name); |
| 148 | } |
| 149 | case super::Type::Range { start, end } => { |
| 150 | if let s = start { |
| 151 | printTypeBody(*s, brief); |
| 152 | } |
| 153 | io::print(".."); |
| 154 | if let e = end { |
| 155 | printTypeBody(*e, brief); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | /// Print detailed information about a nominal type (record or union). |
| 162 | fn printNominalType(info: *super::NominalType) { |
| 163 | match *info { |
| 164 | case super::NominalType::Placeholder(_) => { |
| 165 | io::print("<placeholder>"); |
| 166 | } |
| 167 | case super::NominalType::Record(recordType) => { |
| 168 | io::print("record {"); |
| 169 | if recordType.fields.len > 0 { |
| 170 | io::print(" "); |
| 171 | for i in 0..recordType.fields.len { |
| 172 | if i > 0 { |
| 173 | io::print(", "); |
| 174 | } |
| 175 | let field = &recordType.fields[i]; |
| 176 | if let name = field.name { |
| 177 | io::print(name); |
| 178 | io::print(": "); |
| 179 | } |
| 180 | printTypeName(field.fieldType); |
| 181 | |
| 182 | if i >= 4 and i < recordType.fields.len - 1 { |
| 183 | io::print(", ..."); |
| 184 | break; |
| 185 | } |
| 186 | } |
| 187 | io::print(" "); |
| 188 | } |
| 189 | io::print("}"); |
| 190 | } |
| 191 | case super::NominalType::Union(unionType) => { |
| 192 | io::print("union {"); |
| 193 | if unionType.variants.len > 0 { |
| 194 | io::print(" "); |
| 195 | for i in 0..unionType.variants.len { |
| 196 | if i > 0 { |
| 197 | io::print(", "); |
| 198 | } |
| 199 | let variant = &unionType.variants[i]; |
| 200 | io::print(variant.name); |
| 201 | io::print(": "); |
| 202 | printTypeName(variant.valueType); |
| 203 | |
| 204 | if i >= 4 and i < unionType.variants.len - 1 { |
| 205 | io::print(", ..."); |
| 206 | break; |
| 207 | } |
| 208 | } |
| 209 | io::print(" "); |
| 210 | } |
| 211 | io::print("}"); |
| 212 | } |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | /// Print just the type kind for a nominal type, without detailed info. |
| 217 | fn printNominalTypeName(info: *super::NominalType) { |
| 218 | match *info { |
| 219 | case super::NominalType::Placeholder(_) => { |
| 220 | io::print("<placeholder>"); |
| 221 | } |
| 222 | case super::NominalType::Record(_) => { |
| 223 | io::print("<record>"); |
| 224 | } |
| 225 | case super::NominalType::Union(_) => { |
| 226 | io::print("<union>"); |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | /// Print a single symbol within a scope. |
| 232 | fn printSymbol(symbol: *super::Symbol, depth: u32) { |
| 233 | printIndent(depth); |
| 234 | |
| 235 | io::print("`"); |
| 236 | io::print(symbol.name); |
| 237 | io::print("` "); |
| 238 | |
| 239 | match symbol.data { |
| 240 | case super::SymbolData::Variant { .. } => { |
| 241 | io::print("variant"); |
| 242 | } |
| 243 | case super::SymbolData::Value { .. } => { |
| 244 | io::print("value"); |
| 245 | } |
| 246 | case super::SymbolData::Constant { .. } => { |
| 247 | io::print("constant"); |
| 248 | } |
| 249 | case super::SymbolData::Type(_) => { |
| 250 | io::print("type"); |
| 251 | } |
| 252 | case super::SymbolData::Module { .. } => { |
| 253 | io::print("module"); |
| 254 | } |
| 255 | case super::SymbolData::Trait(_) => { |
| 256 | io::print("trait"); |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | match symbol.data { |
| 261 | case super::SymbolData::Value { mutable, type, .. } => { |
| 262 | if mutable { |
| 263 | io::print(" mut"); |
| 264 | } |
| 265 | io::print(" "); |
| 266 | io::print(symbol.name); |
| 267 | io::print(" "); |
| 268 | printSpan(symbol.node.span); |
| 269 | io::print(" : "); |
| 270 | printType(type); |
| 271 | io::print("\n"); |
| 272 | } |
| 273 | case super::SymbolData::Constant { type, .. } => { |
| 274 | io::print(" "); |
| 275 | io::print(symbol.name); |
| 276 | io::print(" "); |
| 277 | printSpan(symbol.node.span); |
| 278 | io::print(" : "); |
| 279 | printType(type); |
| 280 | io::print("\n"); |
| 281 | } |
| 282 | case super::SymbolData::Type(t) => { |
| 283 | printType(super::Type::Nominal(t)); |
| 284 | } |
| 285 | case super::SymbolData::Variant { .. } => { |
| 286 | // TODO |
| 287 | } |
| 288 | case super::SymbolData::Module { .. } => { |
| 289 | // TODO |
| 290 | } |
| 291 | case super::SymbolData::Trait(_) => { |
| 292 | io::print(" "); |
| 293 | io::print(symbol.name); |
| 294 | io::print("\n"); |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | /// Print a single diagnostic entry. |
| 300 | fn printError(err: *super::Error, res: *super::Resolver) { |
| 301 | if let node = err.node { |
| 302 | // Find the module containing this error. |
| 303 | if let moduleEntry = module::get(res.moduleGraph, err.moduleId) { |
| 304 | // Get the source text if available. |
| 305 | if let source = moduleEntry.source { |
| 306 | // Convert offset to location. |
| 307 | if let loc = scanner::getLocation(scanner::SourceLoc::File(moduleEntry.filePath), source, node.span.offset) { |
| 308 | // Print: filename:line:col: error: message |
| 309 | if let case scanner::SourceLoc::File(path) = loc.source { |
| 310 | io::print(path); |
| 311 | io::print(":"); |
| 312 | } |
| 313 | io::printU32(loc.line as u32); |
| 314 | io::print(":"); |
| 315 | io::printU32(loc.col as u32); |
| 316 | io::print(": error: "); |
| 317 | } else { |
| 318 | io::print("error "); |
| 319 | io::print(" "); |
| 320 | printSpan(node.span); |
| 321 | io::print(": "); |
| 322 | } |
| 323 | } else { |
| 324 | io::print(moduleEntry.name); |
| 325 | io::print(": "); |
| 326 | io::print("error "); |
| 327 | io::print(" "); |
| 328 | printSpan(node.span); |
| 329 | io::print(": "); |
| 330 | } |
| 331 | } |
| 332 | } else { |
| 333 | io::print("error: "); |
| 334 | } |
| 335 | |
| 336 | // Print the error message. |
| 337 | match err.kind { |
| 338 | case super::ErrorKind::TypeMismatch(mismatch) => { |
| 339 | io::print("type mismatch: expected "); |
| 340 | printType(mismatch.expected); |
| 341 | io::print(", got "); |
| 342 | printType(mismatch.actual); |
| 343 | } |
| 344 | case super::ErrorKind::UnresolvedSymbol(name) => { |
| 345 | io::print("unresolved symbol '"); |
| 346 | io::print(name); |
| 347 | io::print("'"); |
| 348 | } |
| 349 | case super::ErrorKind::DuplicateBinding(name) => { |
| 350 | io::print("duplicate binding '"); |
| 351 | io::print(name); |
| 352 | io::print("'"); |
| 353 | } |
| 354 | case super::ErrorKind::FnArgCountMismatch(mismatch) => { |
| 355 | io::print("function argument count mismatch: expected "); |
| 356 | io::printU32(mismatch.expected); |
| 357 | io::print(", got "); |
| 358 | io::printU32(mismatch.actual); |
| 359 | } |
| 360 | case super::ErrorKind::FnThrowCountMismatch(mismatch) => { |
| 361 | io::print("function throws count mismatch: expected "); |
| 362 | io::printU32(mismatch.expected); |
| 363 | io::print(", got "); |
| 364 | io::printU32(mismatch.actual); |
| 365 | } |
| 366 | case super::ErrorKind::RecordFieldCountMismatch(mismatch) => { |
| 367 | io::print("record field count mismatch: expected "); |
| 368 | io::printU32(mismatch.expected); |
| 369 | io::print(", got "); |
| 370 | io::printU32(mismatch.actual); |
| 371 | } |
| 372 | case super::ErrorKind::RecordFieldMissing(name) => { |
| 373 | io::print("record field missing: '"); |
| 374 | io::print(name); |
| 375 | io::print("'"); |
| 376 | } |
| 377 | case super::ErrorKind::RecordFieldUnknown(name) => { |
| 378 | io::print("record field unknown: '"); |
| 379 | io::print(name); |
| 380 | io::print("'"); |
| 381 | } |
| 382 | case super::ErrorKind::InvalidAsCast(info) => { |
| 383 | io::print("invalid cast: cannot cast "); |
| 384 | printType(info.from); |
| 385 | io::print(" to "); |
| 386 | printType(info.to); |
| 387 | } |
| 388 | case super::ErrorKind::ExpectedIterable => { |
| 389 | io::print("expected iterable type"); |
| 390 | } |
| 391 | case super::ErrorKind::ElseBranchMustDiverge => { |
| 392 | io::print("else branch must not fall through"); |
| 393 | } |
| 394 | case super::ErrorKind::FnMissingReturn => { |
| 395 | io::print("function must return a value on all paths"); |
| 396 | } |
| 397 | case super::ErrorKind::UnionMatchNonExhaustive(name) => { |
| 398 | io::print("union match non-exhaustive: missing case for variant '"); |
| 399 | io::print(name); |
| 400 | io::print("'"); |
| 401 | } |
| 402 | case super::ErrorKind::OptionalMatchMissingValue => { |
| 403 | io::print("optional match non-exhaustive: missing value case"); |
| 404 | } |
| 405 | case super::ErrorKind::OptionalMatchMissingNil => { |
| 406 | io::print("optional match non-exhaustive: missing nil case"); |
| 407 | } |
| 408 | case super::ErrorKind::BoolMatchMissing(val) => { |
| 409 | io::print("bool match non-exhaustive: missing case for `"); |
| 410 | io::print("true" if val else "false"); |
| 411 | io::print("`"); |
| 412 | } |
| 413 | case super::ErrorKind::MatchNonExhaustive => { |
| 414 | io::print("match non-exhaustive: requires `else` or binding catch-all"); |
| 415 | } |
| 416 | case super::ErrorKind::DuplicateCatchAll => { |
| 417 | io::print("match has multiple catch-all prongs"); |
| 418 | } |
| 419 | case super::ErrorKind::DuplicateMatchPattern => { |
| 420 | io::print("match has duplicate pattern"); |
| 421 | } |
| 422 | case super::ErrorKind::UnreachableElse => { |
| 423 | io::print("match has unreachable `else`, all cases are already handled"); |
| 424 | } |
| 425 | case super::ErrorKind::ImmutableBinding => { |
| 426 | io::print("cannot assign to immutable binding"); |
| 427 | } |
| 428 | case super::ErrorKind::ConstExprRequired => { |
| 429 | io::print("expected compile-time constant expression"); |
| 430 | } |
| 431 | case super::ErrorKind::ScopeOverflow => { |
| 432 | io::print("scope stack overflow"); |
| 433 | } |
| 434 | case super::ErrorKind::NodeOverflow => { |
| 435 | io::print("node table overflow"); |
| 436 | } |
| 437 | case super::ErrorKind::SymbolOverflow => { |
| 438 | io::print("symbol arena overflow"); |
| 439 | } |
| 440 | case super::ErrorKind::NumericLiteralOverflow => { |
| 441 | io::print("numeric literal overflow"); |
| 442 | } |
| 443 | case super::ErrorKind::RecordFieldStyleMismatch => { |
| 444 | io::print("brace syntax not allowed for tuple-style records"); |
| 445 | } |
| 446 | case super::ErrorKind::ExpectedIdentifier => { |
| 447 | io::print("expected identifier"); |
| 448 | } |
| 449 | case super::ErrorKind::ExpectedOptional => { |
| 450 | io::print("expected optional type"); |
| 451 | } |
| 452 | case super::ErrorKind::ExpectedNumeric => { |
| 453 | io::print("expected numeric type"); |
| 454 | } |
| 455 | case super::ErrorKind::ExpectedPointer => { |
| 456 | io::print("expected pointer type"); |
| 457 | } |
| 458 | case super::ErrorKind::ExpectedRecord => { |
| 459 | io::print("expected record type"); |
| 460 | } |
| 461 | case super::ErrorKind::ExpectedIndexable => { |
| 462 | io::print("expected array or slice"); |
| 463 | } |
| 464 | case super::ErrorKind::ExpectedBlock => { |
| 465 | io::print("expected block"); |
| 466 | } |
| 467 | case super::ErrorKind::InvalidAlignmentValue(val) => { |
| 468 | io::print("invalid alignment value: "); |
| 469 | io::printU32(val); |
| 470 | } |
| 471 | case super::ErrorKind::InvalidModulePath => { |
| 472 | io::print("invalid module path"); |
| 473 | } |
| 474 | case super::ErrorKind::InvalidIdentifier(_) => { |
| 475 | io::print("invalid identifier"); |
| 476 | } |
| 477 | case super::ErrorKind::InvalidScopeAccess => { |
| 478 | io::print("invalid scope access"); |
| 479 | } |
| 480 | case super::ErrorKind::ArrayFieldUnknown(name) => { |
| 481 | io::print("array field unknown: '"); |
| 482 | io::print(name); |
| 483 | io::print("'"); |
| 484 | } |
| 485 | case super::ErrorKind::SliceFieldUnknown(name) => { |
| 486 | io::print("slice field unknown: '"); |
| 487 | io::print(name); |
| 488 | io::print("'"); |
| 489 | } |
| 490 | case super::ErrorKind::SliceRequiresAddress => { |
| 491 | io::print("slicing requires taking an address with '&'"); |
| 492 | } |
| 493 | case super::ErrorKind::SliceRangeOutOfBounds => { |
| 494 | io::print("slice bounds exceed array length"); |
| 495 | } |
| 496 | case super::ErrorKind::UnexpectedReturn => { |
| 497 | io::print("unexpected return statement"); |
| 498 | } |
| 499 | case super::ErrorKind::UnexpectedNode(n) => { |
| 500 | io::print("unexpected expression"); |
| 501 | } |
| 502 | case super::ErrorKind::UnexpectedModuleName => { |
| 503 | io::print("unexpected module name"); |
| 504 | } |
| 505 | case super::ErrorKind::FnMissingBody => { |
| 506 | io::print("function is missing a body"); |
| 507 | } |
| 508 | case super::ErrorKind::FnUnexpectedBody => { |
| 509 | io::print("function body is not expected"); |
| 510 | } |
| 511 | case super::ErrorKind::IntrinsicRequiresExtern => { |
| 512 | io::print("intrinsic function must be declared extern"); |
| 513 | } |
| 514 | case super::ErrorKind::InvalidLoopControl => { |
| 515 | io::print("loop control outside of a loop construct"); |
| 516 | } |
| 517 | case super::ErrorKind::TryRequiresThrows => { |
| 518 | io::print("try used when function does not declare throws"); |
| 519 | } |
| 520 | case super::ErrorKind::TryIncompatibleError => { |
| 521 | io::print("try propagates error not declared by function"); |
| 522 | } |
| 523 | case super::ErrorKind::ThrowRequiresThrows => { |
| 524 | io::print("throw used when function does not declare throws"); |
| 525 | } |
| 526 | case super::ErrorKind::ThrowIncompatibleError => { |
| 527 | io::print("throw uses error type not declared by function"); |
| 528 | } |
| 529 | case super::ErrorKind::TryNonThrowing => { |
| 530 | io::print("try applied to expression that cannot throw"); |
| 531 | } |
| 532 | case super::ErrorKind::TryCatchMultiError => { |
| 533 | io::print("catch with inferred binding requires single error type; use typed catches for multiple error types"); |
| 534 | } |
| 535 | case super::ErrorKind::TryCatchDuplicateType => { |
| 536 | io::print("duplicate error type in catch clauses"); |
| 537 | } |
| 538 | case super::ErrorKind::TryCatchNonExhaustive => { |
| 539 | io::print("catch clauses do not cover all error types"); |
| 540 | } |
| 541 | case super::ErrorKind::MissingTry => { |
| 542 | io::print("called fallible function without using try"); |
| 543 | } |
| 544 | case super::ErrorKind::CannotInferType => { |
| 545 | io::print("cannot infer type from context"); |
| 546 | } |
| 547 | case super::ErrorKind::CannotAssignVoid => { |
| 548 | io::print("cannot assign void value to a variable"); |
| 549 | } |
| 550 | case super::ErrorKind::DefaultAttrOnlyOnFn => { |
| 551 | io::print("default attribute can only be used on functions"); |
| 552 | } |
| 553 | case super::ErrorKind::UnionVariantPayloadMissing(name) => { |
| 554 | io::print("union variant '"); |
| 555 | io::print(name); |
| 556 | io::print("' requires a payload"); |
| 557 | } |
| 558 | case super::ErrorKind::UnionVariantPayloadUnexpected(name) => { |
| 559 | io::print("union variant '"); |
| 560 | io::print(name); |
| 561 | io::print("' does not expect a payload"); |
| 562 | } |
| 563 | case super::ErrorKind::ReceiverMutabilityMismatch => { |
| 564 | io::print("instance receiver mutability does not match trait declaration"); |
| 565 | } |
| 566 | case super::ErrorKind::DuplicateInstance => { |
| 567 | io::print("duplicate instance declaration for the same trait and type"); |
| 568 | } |
| 569 | case super::ErrorKind::MissingTraitMethod(name) => { |
| 570 | io::print("missing trait method '"); |
| 571 | io::print(name); |
| 572 | io::print("'"); |
| 573 | } |
| 574 | case super::ErrorKind::UnexpectedTraitName => { |
| 575 | io::print("trait name cannot be used as a value"); |
| 576 | } |
| 577 | case super::ErrorKind::TraitReceiverMismatch => { |
| 578 | io::print("trait method receiver must be a pointer to the declaring trait"); |
| 579 | } |
| 580 | case super::ErrorKind::FnParamOverflow(mismatch) => { |
| 581 | io::print("too many function parameters: maximum "); |
| 582 | io::printU32(mismatch.expected); |
| 583 | io::print(", got "); |
| 584 | io::printU32(mismatch.actual); |
| 585 | } |
| 586 | case super::ErrorKind::FnThrowOverflow(mismatch) => { |
| 587 | io::print("too many function throws: maximum "); |
| 588 | io::printU32(mismatch.expected); |
| 589 | io::print(", got "); |
| 590 | io::printU32(mismatch.actual); |
| 591 | } |
| 592 | case super::ErrorKind::TraitMethodOverflow(mismatch) => { |
| 593 | io::print("too many trait methods: maximum "); |
| 594 | io::printU32(mismatch.expected); |
| 595 | io::print(", got "); |
| 596 | io::printU32(mismatch.actual); |
| 597 | } |
| 598 | case super::ErrorKind::MissingSupertraitInstance(name) => { |
| 599 | io::print("missing instance for supertrait '"); |
| 600 | io::print(name); |
| 601 | io::print("'"); |
| 602 | } |
| 603 | case super::ErrorKind::Internal => { |
| 604 | io::print("internal compiler error"); |
| 605 | } |
| 606 | case super::ErrorKind::RecordFieldOutOfOrder { .. } => { |
| 607 | io::print("record field out of order"); |
| 608 | } |
| 609 | case super::ErrorKind::OpaqueTypeNotAllowed => { |
| 610 | io::print("opaque type not allowed"); |
| 611 | } |
| 612 | case super::ErrorKind::OpaqueTypeDeref => { |
| 613 | io::print("opaque types cannot be dereferenced"); |
| 614 | } |
| 615 | case super::ErrorKind::OpaquePointerArithmetic => { |
| 616 | io::print("opaque pointer arithmetic is not allowed"); |
| 617 | } |
| 618 | case super::ErrorKind::CyclicTypeDependency(_) => { |
| 619 | io::print("cyclic type dependency"); |
| 620 | } |
| 621 | case super::ErrorKind::BuiltinArgCountMismatch { .. } => { |
| 622 | io::print("built-in argument count mismatch"); |
| 623 | } |
| 624 | } |
| 625 | io::print("\n"); |
| 626 | } |
| 627 | |
| 628 | /// Recursively print a scope and its nested children. |
| 629 | fn printScopeTree(res: *super::Resolver, scope: *super::Scope, depth: u32) { |
| 630 | printIndent(depth); |
| 631 | io::print("Scope "); |
| 632 | |
| 633 | if let owner = scope.owner { |
| 634 | printSpan(owner.span); |
| 635 | } else { |
| 636 | io::print("<root>"); |
| 637 | } |
| 638 | io::print("\n"); |
| 639 | printScope(scope, depth); |
| 640 | |
| 641 | for entry in res.nodeData.entries { |
| 642 | if let childScopePtr = entry.scope { |
| 643 | if childScopePtr.parent != nil and childScopePtr.parent == scope { |
| 644 | printScopeTree(res, childScopePtr, depth + 1); |
| 645 | } |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | /// Entry point for printing the resolver scope tree. |
| 651 | pub fn printScopes(res: *super::Resolver, root: *ast::Node) { |
| 652 | if let scope = super::scopeFor(res, root) { |
| 653 | printScopeTree(res, scope, 0); |
| 654 | } |
| 655 | io::print("\n"); |
| 656 | } |
| 657 | |
| 658 | /// Print the given scope. |
| 659 | pub fn printScope(scope: *super::Scope, depth: u32) { |
| 660 | for i in 0..scope.symbolsLen { |
| 661 | let symbol = scope.symbols[i]; |
| 662 | printSymbol(symbol, depth); |
| 663 | io::print("\n"); |
| 664 | } |
| 665 | } |
| 666 | |
| 667 | /// Print the given scope, and all enclosing scopes. |
| 668 | pub fn printEnclosingScopes(res: *super::Resolver, scope: *super::Scope) { |
| 669 | let mut curr = scope; |
| 670 | |
| 671 | loop { |
| 672 | io::printLn("Scope"); |
| 673 | printScope(curr, 1); |
| 674 | |
| 675 | if let parent = curr.parent { |
| 676 | curr = parent; |
| 677 | } else { |
| 678 | break; |
| 679 | } |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | /// Entry point for printing resolver diagnostics in vim quickfix format. |
| 684 | pub fn printDiagnostics(diag: *super::Diagnostics, res: *super::Resolver) { |
| 685 | for i in 0..diag.errors.len { |
| 686 | printError(&diag.errors[i], res); |
| 687 | } |
| 688 | } |