Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/ast/prettyprinter.h" |
| 6 | |
| 7 | #include <stdarg.h> |
| 8 | |
| 9 | #include "src/ast/ast-value-factory.h" |
| 10 | #include "src/ast/scopes.h" |
| 11 | #include "src/base/platform/platform.h" |
| 12 | |
| 13 | namespace v8 { |
| 14 | namespace internal { |
| 15 | |
| 16 | CallPrinter::CallPrinter(Isolate* isolate, bool is_builtin) { |
| 17 | output_ = NULL; |
| 18 | size_ = 0; |
| 19 | pos_ = 0; |
| 20 | position_ = 0; |
| 21 | found_ = false; |
| 22 | done_ = false; |
| 23 | is_builtin_ = is_builtin; |
| 24 | InitializeAstVisitor(isolate); |
| 25 | } |
| 26 | |
| 27 | |
| 28 | CallPrinter::~CallPrinter() { DeleteArray(output_); } |
| 29 | |
| 30 | |
| 31 | const char* CallPrinter::Print(FunctionLiteral* program, int position) { |
| 32 | Init(); |
| 33 | position_ = position; |
| 34 | Find(program); |
| 35 | return output_; |
| 36 | } |
| 37 | |
| 38 | |
| 39 | void CallPrinter::Find(AstNode* node, bool print) { |
| 40 | if (done_) return; |
| 41 | if (found_) { |
| 42 | if (print) { |
| 43 | int start = pos_; |
| 44 | Visit(node); |
| 45 | if (start != pos_) return; |
| 46 | } |
| 47 | Print("(intermediate value)"); |
| 48 | } else { |
| 49 | Visit(node); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | |
| 54 | void CallPrinter::Init() { |
| 55 | if (size_ == 0) { |
| 56 | DCHECK(output_ == NULL); |
| 57 | const int initial_size = 256; |
| 58 | output_ = NewArray<char>(initial_size); |
| 59 | size_ = initial_size; |
| 60 | } |
| 61 | output_[0] = '\0'; |
| 62 | pos_ = 0; |
| 63 | } |
| 64 | |
| 65 | |
| 66 | void CallPrinter::Print(const char* format, ...) { |
| 67 | if (!found_ || done_) return; |
| 68 | for (;;) { |
| 69 | va_list arguments; |
| 70 | va_start(arguments, format); |
| 71 | int n = VSNPrintF(Vector<char>(output_, size_) + pos_, format, arguments); |
| 72 | va_end(arguments); |
| 73 | |
| 74 | if (n >= 0) { |
| 75 | // there was enough space - we are done |
| 76 | pos_ += n; |
| 77 | return; |
| 78 | } else { |
| 79 | // there was not enough space - allocate more and try again |
| 80 | const int slack = 32; |
| 81 | int new_size = size_ + (size_ >> 1) + slack; |
| 82 | char* new_output = NewArray<char>(new_size); |
| 83 | MemCopy(new_output, output_, pos_); |
| 84 | DeleteArray(output_); |
| 85 | output_ = new_output; |
| 86 | size_ = new_size; |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | |
| 92 | void CallPrinter::VisitBlock(Block* node) { |
| 93 | FindStatements(node->statements()); |
| 94 | } |
| 95 | |
| 96 | |
| 97 | void CallPrinter::VisitVariableDeclaration(VariableDeclaration* node) {} |
| 98 | |
| 99 | |
| 100 | void CallPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) {} |
| 101 | |
| 102 | |
| 103 | void CallPrinter::VisitImportDeclaration(ImportDeclaration* node) { |
| 104 | } |
| 105 | |
| 106 | |
| 107 | void CallPrinter::VisitExportDeclaration(ExportDeclaration* node) {} |
| 108 | |
| 109 | |
| 110 | void CallPrinter::VisitExpressionStatement(ExpressionStatement* node) { |
| 111 | Find(node->expression()); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | void CallPrinter::VisitEmptyStatement(EmptyStatement* node) {} |
| 116 | |
| 117 | |
| 118 | void CallPrinter::VisitSloppyBlockFunctionStatement( |
| 119 | SloppyBlockFunctionStatement* node) { |
| 120 | Find(node->statement()); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | void CallPrinter::VisitIfStatement(IfStatement* node) { |
| 125 | Find(node->condition()); |
| 126 | Find(node->then_statement()); |
| 127 | if (node->HasElseStatement()) { |
| 128 | Find(node->else_statement()); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | |
| 133 | void CallPrinter::VisitContinueStatement(ContinueStatement* node) {} |
| 134 | |
| 135 | |
| 136 | void CallPrinter::VisitBreakStatement(BreakStatement* node) {} |
| 137 | |
| 138 | |
| 139 | void CallPrinter::VisitReturnStatement(ReturnStatement* node) { |
| 140 | Find(node->expression()); |
| 141 | } |
| 142 | |
| 143 | |
| 144 | void CallPrinter::VisitWithStatement(WithStatement* node) { |
| 145 | Find(node->expression()); |
| 146 | Find(node->statement()); |
| 147 | } |
| 148 | |
| 149 | |
| 150 | void CallPrinter::VisitSwitchStatement(SwitchStatement* node) { |
| 151 | Find(node->tag()); |
| 152 | ZoneList<CaseClause*>* cases = node->cases(); |
| 153 | for (int i = 0; i < cases->length(); i++) Find(cases->at(i)); |
| 154 | } |
| 155 | |
| 156 | |
| 157 | void CallPrinter::VisitCaseClause(CaseClause* clause) { |
| 158 | if (!clause->is_default()) { |
| 159 | Find(clause->label()); |
| 160 | } |
| 161 | FindStatements(clause->statements()); |
| 162 | } |
| 163 | |
| 164 | |
| 165 | void CallPrinter::VisitDoWhileStatement(DoWhileStatement* node) { |
| 166 | Find(node->body()); |
| 167 | Find(node->cond()); |
| 168 | } |
| 169 | |
| 170 | |
| 171 | void CallPrinter::VisitWhileStatement(WhileStatement* node) { |
| 172 | Find(node->cond()); |
| 173 | Find(node->body()); |
| 174 | } |
| 175 | |
| 176 | |
| 177 | void CallPrinter::VisitForStatement(ForStatement* node) { |
| 178 | if (node->init() != NULL) { |
| 179 | Find(node->init()); |
| 180 | } |
| 181 | if (node->cond() != NULL) Find(node->cond()); |
| 182 | if (node->next() != NULL) Find(node->next()); |
| 183 | Find(node->body()); |
| 184 | } |
| 185 | |
| 186 | |
| 187 | void CallPrinter::VisitForInStatement(ForInStatement* node) { |
| 188 | Find(node->each()); |
| 189 | Find(node->enumerable()); |
| 190 | Find(node->body()); |
| 191 | } |
| 192 | |
| 193 | |
| 194 | void CallPrinter::VisitForOfStatement(ForOfStatement* node) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 195 | Find(node->assign_iterator()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 196 | Find(node->next_result()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 197 | Find(node->result_done()); |
| 198 | Find(node->assign_each()); |
| 199 | Find(node->body()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | |
| 203 | void CallPrinter::VisitTryCatchStatement(TryCatchStatement* node) { |
| 204 | Find(node->try_block()); |
| 205 | Find(node->catch_block()); |
| 206 | } |
| 207 | |
| 208 | |
| 209 | void CallPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) { |
| 210 | Find(node->try_block()); |
| 211 | Find(node->finally_block()); |
| 212 | } |
| 213 | |
| 214 | |
| 215 | void CallPrinter::VisitDebuggerStatement(DebuggerStatement* node) {} |
| 216 | |
| 217 | |
| 218 | void CallPrinter::VisitFunctionLiteral(FunctionLiteral* node) { |
| 219 | FindStatements(node->body()); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | void CallPrinter::VisitClassLiteral(ClassLiteral* node) { |
| 224 | if (node->extends()) Find(node->extends()); |
| 225 | for (int i = 0; i < node->properties()->length(); i++) { |
| 226 | Find(node->properties()->at(i)->value()); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | |
| 231 | void CallPrinter::VisitNativeFunctionLiteral(NativeFunctionLiteral* node) {} |
| 232 | |
| 233 | |
| 234 | void CallPrinter::VisitDoExpression(DoExpression* node) { Find(node->block()); } |
| 235 | |
| 236 | |
| 237 | void CallPrinter::VisitConditional(Conditional* node) { |
| 238 | Find(node->condition()); |
| 239 | Find(node->then_expression()); |
| 240 | Find(node->else_expression()); |
| 241 | } |
| 242 | |
| 243 | |
| 244 | void CallPrinter::VisitLiteral(Literal* node) { |
| 245 | PrintLiteral(*node->value(), true); |
| 246 | } |
| 247 | |
| 248 | |
| 249 | void CallPrinter::VisitRegExpLiteral(RegExpLiteral* node) { |
| 250 | Print("/"); |
| 251 | PrintLiteral(*node->pattern(), false); |
| 252 | Print("/"); |
| 253 | if (node->flags() & RegExp::kGlobal) Print("g"); |
| 254 | if (node->flags() & RegExp::kIgnoreCase) Print("i"); |
| 255 | if (node->flags() & RegExp::kMultiline) Print("m"); |
| 256 | if (node->flags() & RegExp::kUnicode) Print("u"); |
| 257 | if (node->flags() & RegExp::kSticky) Print("y"); |
| 258 | } |
| 259 | |
| 260 | |
| 261 | void CallPrinter::VisitObjectLiteral(ObjectLiteral* node) { |
| 262 | for (int i = 0; i < node->properties()->length(); i++) { |
| 263 | Find(node->properties()->at(i)->value()); |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | |
| 268 | void CallPrinter::VisitArrayLiteral(ArrayLiteral* node) { |
| 269 | Print("["); |
| 270 | for (int i = 0; i < node->values()->length(); i++) { |
| 271 | if (i != 0) Print(","); |
| 272 | Find(node->values()->at(i), true); |
| 273 | } |
| 274 | Print("]"); |
| 275 | } |
| 276 | |
| 277 | |
| 278 | void CallPrinter::VisitVariableProxy(VariableProxy* node) { |
| 279 | if (is_builtin_) { |
| 280 | // Variable names of builtins are meaningless due to minification. |
| 281 | Print("(var)"); |
| 282 | } else { |
| 283 | PrintLiteral(*node->name(), false); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | |
| 288 | void CallPrinter::VisitAssignment(Assignment* node) { |
| 289 | Find(node->target()); |
| 290 | Find(node->value()); |
| 291 | } |
| 292 | |
| 293 | |
| 294 | void CallPrinter::VisitYield(Yield* node) { Find(node->expression()); } |
| 295 | |
| 296 | |
| 297 | void CallPrinter::VisitThrow(Throw* node) { Find(node->exception()); } |
| 298 | |
| 299 | |
| 300 | void CallPrinter::VisitProperty(Property* node) { |
| 301 | Expression* key = node->key(); |
| 302 | Literal* literal = key->AsLiteral(); |
| 303 | if (literal != NULL && literal->value()->IsInternalizedString()) { |
| 304 | Find(node->obj(), true); |
| 305 | Print("."); |
| 306 | PrintLiteral(*literal->value(), false); |
| 307 | } else { |
| 308 | Find(node->obj(), true); |
| 309 | Print("["); |
| 310 | Find(key, true); |
| 311 | Print("]"); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | |
| 316 | void CallPrinter::VisitCall(Call* node) { |
| 317 | bool was_found = !found_ && node->position() == position_; |
| 318 | if (was_found) { |
| 319 | // Bail out if the error is caused by a direct call to a variable in builtin |
| 320 | // code. The variable name is meaningless due to minification. |
| 321 | if (is_builtin_ && node->expression()->IsVariableProxy()) { |
| 322 | done_ = true; |
| 323 | return; |
| 324 | } |
| 325 | found_ = true; |
| 326 | } |
| 327 | Find(node->expression(), true); |
| 328 | if (!was_found) Print("(...)"); |
| 329 | FindArguments(node->arguments()); |
| 330 | if (was_found) done_ = true; |
| 331 | } |
| 332 | |
| 333 | |
| 334 | void CallPrinter::VisitCallNew(CallNew* node) { |
| 335 | bool was_found = !found_ && node->position() == position_; |
| 336 | if (was_found) { |
| 337 | // Bail out if the error is caused by a direct call to a variable in builtin |
| 338 | // code. The variable name is meaningless due to minification. |
| 339 | if (is_builtin_ && node->expression()->IsVariableProxy()) { |
| 340 | done_ = true; |
| 341 | return; |
| 342 | } |
| 343 | found_ = true; |
| 344 | } |
| 345 | Find(node->expression(), was_found); |
| 346 | FindArguments(node->arguments()); |
| 347 | if (was_found) done_ = true; |
| 348 | } |
| 349 | |
| 350 | |
| 351 | void CallPrinter::VisitCallRuntime(CallRuntime* node) { |
| 352 | FindArguments(node->arguments()); |
| 353 | } |
| 354 | |
| 355 | |
| 356 | void CallPrinter::VisitUnaryOperation(UnaryOperation* node) { |
| 357 | Token::Value op = node->op(); |
| 358 | bool needsSpace = |
| 359 | op == Token::DELETE || op == Token::TYPEOF || op == Token::VOID; |
| 360 | Print("(%s%s", Token::String(op), needsSpace ? " " : ""); |
| 361 | Find(node->expression(), true); |
| 362 | Print(")"); |
| 363 | } |
| 364 | |
| 365 | |
| 366 | void CallPrinter::VisitCountOperation(CountOperation* node) { |
| 367 | Print("("); |
| 368 | if (node->is_prefix()) Print("%s", Token::String(node->op())); |
| 369 | Find(node->expression(), true); |
| 370 | if (node->is_postfix()) Print("%s", Token::String(node->op())); |
| 371 | Print(")"); |
| 372 | } |
| 373 | |
| 374 | |
| 375 | void CallPrinter::VisitBinaryOperation(BinaryOperation* node) { |
| 376 | Print("("); |
| 377 | Find(node->left(), true); |
| 378 | Print(" %s ", Token::String(node->op())); |
| 379 | Find(node->right(), true); |
| 380 | Print(")"); |
| 381 | } |
| 382 | |
| 383 | |
| 384 | void CallPrinter::VisitCompareOperation(CompareOperation* node) { |
| 385 | Print("("); |
| 386 | Find(node->left(), true); |
| 387 | Print(" %s ", Token::String(node->op())); |
| 388 | Find(node->right(), true); |
| 389 | Print(")"); |
| 390 | } |
| 391 | |
| 392 | |
| 393 | void CallPrinter::VisitSpread(Spread* node) { |
| 394 | Print("(..."); |
| 395 | Find(node->expression(), true); |
| 396 | Print(")"); |
| 397 | } |
| 398 | |
| 399 | |
| 400 | void CallPrinter::VisitEmptyParentheses(EmptyParentheses* node) { |
| 401 | UNREACHABLE(); |
| 402 | } |
| 403 | |
| 404 | |
| 405 | void CallPrinter::VisitThisFunction(ThisFunction* node) {} |
| 406 | |
| 407 | |
| 408 | void CallPrinter::VisitSuperPropertyReference(SuperPropertyReference* node) {} |
| 409 | |
| 410 | |
| 411 | void CallPrinter::VisitSuperCallReference(SuperCallReference* node) { |
| 412 | Print("super"); |
| 413 | } |
| 414 | |
| 415 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 416 | void CallPrinter::VisitRewritableExpression(RewritableExpression* node) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 417 | Find(node->expression()); |
| 418 | } |
| 419 | |
| 420 | |
| 421 | void CallPrinter::FindStatements(ZoneList<Statement*>* statements) { |
| 422 | if (statements == NULL) return; |
| 423 | for (int i = 0; i < statements->length(); i++) { |
| 424 | Find(statements->at(i)); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | |
| 429 | void CallPrinter::FindArguments(ZoneList<Expression*>* arguments) { |
| 430 | if (found_) return; |
| 431 | for (int i = 0; i < arguments->length(); i++) { |
| 432 | Find(arguments->at(i)); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | |
| 437 | void CallPrinter::PrintLiteral(Object* value, bool quote) { |
| 438 | Object* object = value; |
| 439 | if (object->IsString()) { |
| 440 | if (quote) Print("\""); |
| 441 | Print("%s", String::cast(object)->ToCString().get()); |
| 442 | if (quote) Print("\""); |
| 443 | } else if (object->IsNull()) { |
| 444 | Print("null"); |
| 445 | } else if (object->IsTrue()) { |
| 446 | Print("true"); |
| 447 | } else if (object->IsFalse()) { |
| 448 | Print("false"); |
| 449 | } else if (object->IsUndefined()) { |
| 450 | Print("undefined"); |
| 451 | } else if (object->IsNumber()) { |
| 452 | Print("%g", object->Number()); |
| 453 | } else if (object->IsSymbol()) { |
| 454 | // Symbols can only occur as literals if they were inserted by the parser. |
| 455 | PrintLiteral(Symbol::cast(object)->name(), false); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | |
| 460 | void CallPrinter::PrintLiteral(const AstRawString* value, bool quote) { |
| 461 | PrintLiteral(*value->string(), quote); |
| 462 | } |
| 463 | |
| 464 | |
| 465 | //----------------------------------------------------------------------------- |
| 466 | |
| 467 | |
| 468 | #ifdef DEBUG |
| 469 | |
| 470 | // A helper for ast nodes that use FeedbackVectorSlots. |
| 471 | static int FormatSlotNode(Vector<char>* buf, Expression* node, |
| 472 | const char* node_name, FeedbackVectorSlot slot) { |
| 473 | int pos = SNPrintF(*buf, "%s", node_name); |
| 474 | if (!slot.IsInvalid()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 475 | pos += SNPrintF(*buf + pos, " Slot(%d)", slot.ToInt()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 476 | } |
| 477 | return pos; |
| 478 | } |
| 479 | |
| 480 | |
| 481 | PrettyPrinter::PrettyPrinter(Isolate* isolate) { |
| 482 | output_ = NULL; |
| 483 | size_ = 0; |
| 484 | pos_ = 0; |
| 485 | InitializeAstVisitor(isolate); |
| 486 | } |
| 487 | |
| 488 | |
| 489 | PrettyPrinter::~PrettyPrinter() { |
| 490 | DeleteArray(output_); |
| 491 | } |
| 492 | |
| 493 | |
| 494 | void PrettyPrinter::VisitBlock(Block* node) { |
| 495 | if (!node->ignore_completion_value()) Print("{ "); |
| 496 | PrintStatements(node->statements()); |
| 497 | if (node->statements()->length() > 0) Print(" "); |
| 498 | if (!node->ignore_completion_value()) Print("}"); |
| 499 | } |
| 500 | |
| 501 | |
| 502 | void PrettyPrinter::VisitVariableDeclaration(VariableDeclaration* node) { |
| 503 | Print("var "); |
| 504 | PrintLiteral(node->proxy()->name(), false); |
| 505 | Print(";"); |
| 506 | } |
| 507 | |
| 508 | |
| 509 | void PrettyPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) { |
| 510 | Print("function "); |
| 511 | PrintLiteral(node->proxy()->name(), false); |
| 512 | Print(" = "); |
| 513 | PrintFunctionLiteral(node->fun()); |
| 514 | Print(";"); |
| 515 | } |
| 516 | |
| 517 | |
| 518 | void PrettyPrinter::VisitImportDeclaration(ImportDeclaration* node) { |
| 519 | Print("import "); |
| 520 | PrintLiteral(node->proxy()->name(), false); |
| 521 | Print(" from "); |
| 522 | PrintLiteral(node->module_specifier()->string(), true); |
| 523 | Print(";"); |
| 524 | } |
| 525 | |
| 526 | |
| 527 | void PrettyPrinter::VisitExportDeclaration(ExportDeclaration* node) { |
| 528 | Print("export "); |
| 529 | PrintLiteral(node->proxy()->name(), false); |
| 530 | Print(";"); |
| 531 | } |
| 532 | |
| 533 | |
| 534 | void PrettyPrinter::VisitExpressionStatement(ExpressionStatement* node) { |
| 535 | Visit(node->expression()); |
| 536 | Print(";"); |
| 537 | } |
| 538 | |
| 539 | |
| 540 | void PrettyPrinter::VisitEmptyStatement(EmptyStatement* node) { |
| 541 | Print(";"); |
| 542 | } |
| 543 | |
| 544 | |
| 545 | void PrettyPrinter::VisitSloppyBlockFunctionStatement( |
| 546 | SloppyBlockFunctionStatement* node) { |
| 547 | Visit(node->statement()); |
| 548 | } |
| 549 | |
| 550 | |
| 551 | void PrettyPrinter::VisitIfStatement(IfStatement* node) { |
| 552 | Print("if ("); |
| 553 | Visit(node->condition()); |
| 554 | Print(") "); |
| 555 | Visit(node->then_statement()); |
| 556 | if (node->HasElseStatement()) { |
| 557 | Print(" else "); |
| 558 | Visit(node->else_statement()); |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | |
| 563 | void PrettyPrinter::VisitContinueStatement(ContinueStatement* node) { |
| 564 | Print("continue"); |
| 565 | ZoneList<const AstRawString*>* labels = node->target()->labels(); |
| 566 | if (labels != NULL) { |
| 567 | Print(" "); |
| 568 | DCHECK(labels->length() > 0); // guaranteed to have at least one entry |
| 569 | PrintLiteral(labels->at(0), false); // any label from the list is fine |
| 570 | } |
| 571 | Print(";"); |
| 572 | } |
| 573 | |
| 574 | |
| 575 | void PrettyPrinter::VisitBreakStatement(BreakStatement* node) { |
| 576 | Print("break"); |
| 577 | ZoneList<const AstRawString*>* labels = node->target()->labels(); |
| 578 | if (labels != NULL) { |
| 579 | Print(" "); |
| 580 | DCHECK(labels->length() > 0); // guaranteed to have at least one entry |
| 581 | PrintLiteral(labels->at(0), false); // any label from the list is fine |
| 582 | } |
| 583 | Print(";"); |
| 584 | } |
| 585 | |
| 586 | |
| 587 | void PrettyPrinter::VisitReturnStatement(ReturnStatement* node) { |
| 588 | Print("return "); |
| 589 | Visit(node->expression()); |
| 590 | Print(";"); |
| 591 | } |
| 592 | |
| 593 | |
| 594 | void PrettyPrinter::VisitWithStatement(WithStatement* node) { |
| 595 | Print("with ("); |
| 596 | Visit(node->expression()); |
| 597 | Print(") "); |
| 598 | Visit(node->statement()); |
| 599 | } |
| 600 | |
| 601 | |
| 602 | void PrettyPrinter::VisitSwitchStatement(SwitchStatement* node) { |
| 603 | PrintLabels(node->labels()); |
| 604 | Print("switch ("); |
| 605 | Visit(node->tag()); |
| 606 | Print(") { "); |
| 607 | ZoneList<CaseClause*>* cases = node->cases(); |
| 608 | for (int i = 0; i < cases->length(); i++) |
| 609 | Visit(cases->at(i)); |
| 610 | Print("}"); |
| 611 | } |
| 612 | |
| 613 | |
| 614 | void PrettyPrinter::VisitCaseClause(CaseClause* clause) { |
| 615 | if (clause->is_default()) { |
| 616 | Print("default"); |
| 617 | } else { |
| 618 | Print("case "); |
| 619 | Visit(clause->label()); |
| 620 | } |
| 621 | Print(": "); |
| 622 | PrintStatements(clause->statements()); |
| 623 | if (clause->statements()->length() > 0) |
| 624 | Print(" "); |
| 625 | } |
| 626 | |
| 627 | |
| 628 | void PrettyPrinter::VisitDoWhileStatement(DoWhileStatement* node) { |
| 629 | PrintLabels(node->labels()); |
| 630 | Print("do "); |
| 631 | Visit(node->body()); |
| 632 | Print(" while ("); |
| 633 | Visit(node->cond()); |
| 634 | Print(");"); |
| 635 | } |
| 636 | |
| 637 | |
| 638 | void PrettyPrinter::VisitWhileStatement(WhileStatement* node) { |
| 639 | PrintLabels(node->labels()); |
| 640 | Print("while ("); |
| 641 | Visit(node->cond()); |
| 642 | Print(") "); |
| 643 | Visit(node->body()); |
| 644 | } |
| 645 | |
| 646 | |
| 647 | void PrettyPrinter::VisitForStatement(ForStatement* node) { |
| 648 | PrintLabels(node->labels()); |
| 649 | Print("for ("); |
| 650 | if (node->init() != NULL) { |
| 651 | Visit(node->init()); |
| 652 | Print(" "); |
| 653 | } else { |
| 654 | Print("; "); |
| 655 | } |
| 656 | if (node->cond() != NULL) Visit(node->cond()); |
| 657 | Print("; "); |
| 658 | if (node->next() != NULL) { |
| 659 | Visit(node->next()); // prints extra ';', unfortunately |
| 660 | // to fix: should use Expression for next |
| 661 | } |
| 662 | Print(") "); |
| 663 | Visit(node->body()); |
| 664 | } |
| 665 | |
| 666 | |
| 667 | void PrettyPrinter::VisitForInStatement(ForInStatement* node) { |
| 668 | PrintLabels(node->labels()); |
| 669 | Print("for ("); |
| 670 | Visit(node->each()); |
| 671 | Print(" in "); |
| 672 | Visit(node->enumerable()); |
| 673 | Print(") "); |
| 674 | Visit(node->body()); |
| 675 | } |
| 676 | |
| 677 | |
| 678 | void PrettyPrinter::VisitForOfStatement(ForOfStatement* node) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 679 | // TODO(adamk): ForOf is largely desugared as part of parsing, |
| 680 | // so it's hard to display useful stuff here. Should likely |
| 681 | // either bite the bullet and display less or try harder |
| 682 | // to preserve more. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 683 | PrintLabels(node->labels()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 684 | // The <each> is embedded inside a do-expression by the time we get here. |
| 685 | Print("for (<each> of "); |
| 686 | if (node->assign_iterator()->IsAssignment() && |
| 687 | node->assign_iterator()->AsAssignment()->value()->IsCall() && |
| 688 | node->assign_iterator() |
| 689 | ->AsAssignment() |
| 690 | ->value() |
| 691 | ->AsCall() |
| 692 | ->expression() |
| 693 | ->IsProperty() && |
| 694 | node->assign_iterator() |
| 695 | ->AsAssignment() |
| 696 | ->value() |
| 697 | ->AsCall() |
| 698 | ->expression() |
| 699 | ->IsProperty()) { |
| 700 | Visit(node->assign_iterator() |
| 701 | ->AsAssignment() |
| 702 | ->value() |
| 703 | ->AsCall() |
| 704 | ->expression() |
| 705 | ->AsProperty() |
| 706 | ->obj()); |
| 707 | } else { |
| 708 | Print("<iterable>"); |
| 709 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 710 | Print(") "); |
| 711 | Visit(node->body()); |
| 712 | } |
| 713 | |
| 714 | |
| 715 | void PrettyPrinter::VisitTryCatchStatement(TryCatchStatement* node) { |
| 716 | Print("try "); |
| 717 | Visit(node->try_block()); |
| 718 | Print(" catch ("); |
| 719 | const bool quote = false; |
| 720 | PrintLiteral(node->variable()->name(), quote); |
| 721 | Print(") "); |
| 722 | Visit(node->catch_block()); |
| 723 | } |
| 724 | |
| 725 | |
| 726 | void PrettyPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) { |
| 727 | Print("try "); |
| 728 | Visit(node->try_block()); |
| 729 | Print(" finally "); |
| 730 | Visit(node->finally_block()); |
| 731 | } |
| 732 | |
| 733 | |
| 734 | void PrettyPrinter::VisitDebuggerStatement(DebuggerStatement* node) { |
| 735 | Print("debugger "); |
| 736 | } |
| 737 | |
| 738 | |
| 739 | void PrettyPrinter::VisitFunctionLiteral(FunctionLiteral* node) { |
| 740 | Print("("); |
| 741 | PrintFunctionLiteral(node); |
| 742 | Print(")"); |
| 743 | } |
| 744 | |
| 745 | |
| 746 | void PrettyPrinter::VisitClassLiteral(ClassLiteral* node) { |
| 747 | Print("(class "); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 748 | PrintLiteral(node->constructor()->name(), false); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 749 | if (node->extends()) { |
| 750 | Print(" extends "); |
| 751 | Visit(node->extends()); |
| 752 | } |
| 753 | Print(" { "); |
| 754 | for (int i = 0; i < node->properties()->length(); i++) { |
| 755 | PrintObjectLiteralProperty(node->properties()->at(i)); |
| 756 | } |
| 757 | Print(" })"); |
| 758 | } |
| 759 | |
| 760 | |
| 761 | void PrettyPrinter::VisitNativeFunctionLiteral(NativeFunctionLiteral* node) { |
| 762 | Print("("); |
| 763 | PrintLiteral(node->name(), false); |
| 764 | Print(")"); |
| 765 | } |
| 766 | |
| 767 | |
| 768 | void PrettyPrinter::VisitDoExpression(DoExpression* node) { |
| 769 | Print("(do {"); |
| 770 | PrintStatements(node->block()->statements()); |
| 771 | Print("})"); |
| 772 | } |
| 773 | |
| 774 | |
| 775 | void PrettyPrinter::VisitConditional(Conditional* node) { |
| 776 | Visit(node->condition()); |
| 777 | Print(" ? "); |
| 778 | Visit(node->then_expression()); |
| 779 | Print(" : "); |
| 780 | Visit(node->else_expression()); |
| 781 | } |
| 782 | |
| 783 | |
| 784 | void PrettyPrinter::VisitLiteral(Literal* node) { |
| 785 | PrintLiteral(node->value(), true); |
| 786 | } |
| 787 | |
| 788 | |
| 789 | void PrettyPrinter::VisitRegExpLiteral(RegExpLiteral* node) { |
| 790 | Print(" RegExp("); |
| 791 | PrintLiteral(node->pattern(), false); |
| 792 | Print(","); |
| 793 | if (node->flags() & RegExp::kGlobal) Print("g"); |
| 794 | if (node->flags() & RegExp::kIgnoreCase) Print("i"); |
| 795 | if (node->flags() & RegExp::kMultiline) Print("m"); |
| 796 | if (node->flags() & RegExp::kUnicode) Print("u"); |
| 797 | if (node->flags() & RegExp::kSticky) Print("y"); |
| 798 | Print(") "); |
| 799 | } |
| 800 | |
| 801 | |
| 802 | void PrettyPrinter::VisitObjectLiteral(ObjectLiteral* node) { |
| 803 | Print("{ "); |
| 804 | for (int i = 0; i < node->properties()->length(); i++) { |
| 805 | if (i != 0) Print(","); |
| 806 | PrintObjectLiteralProperty(node->properties()->at(i)); |
| 807 | } |
| 808 | Print(" }"); |
| 809 | } |
| 810 | |
| 811 | |
| 812 | void PrettyPrinter::PrintObjectLiteralProperty( |
| 813 | ObjectLiteralProperty* property) { |
| 814 | // TODO(arv): Better printing of methods etc. |
| 815 | Print(" "); |
| 816 | Visit(property->key()); |
| 817 | Print(": "); |
| 818 | Visit(property->value()); |
| 819 | } |
| 820 | |
| 821 | |
| 822 | void PrettyPrinter::VisitArrayLiteral(ArrayLiteral* node) { |
| 823 | Print("[ "); |
| 824 | Print(" literal_index = %d", node->literal_index()); |
| 825 | for (int i = 0; i < node->values()->length(); i++) { |
| 826 | if (i != 0) Print(","); |
| 827 | Visit(node->values()->at(i)); |
| 828 | } |
| 829 | Print(" ]"); |
| 830 | } |
| 831 | |
| 832 | |
| 833 | void PrettyPrinter::VisitVariableProxy(VariableProxy* node) { |
| 834 | PrintLiteral(node->name(), false); |
| 835 | } |
| 836 | |
| 837 | |
| 838 | void PrettyPrinter::VisitAssignment(Assignment* node) { |
| 839 | Visit(node->target()); |
| 840 | Print(" %s ", Token::String(node->op())); |
| 841 | Visit(node->value()); |
| 842 | } |
| 843 | |
| 844 | |
| 845 | void PrettyPrinter::VisitYield(Yield* node) { |
| 846 | Print("yield "); |
| 847 | Visit(node->expression()); |
| 848 | } |
| 849 | |
| 850 | |
| 851 | void PrettyPrinter::VisitThrow(Throw* node) { |
| 852 | Print("throw "); |
| 853 | Visit(node->exception()); |
| 854 | } |
| 855 | |
| 856 | |
| 857 | void PrettyPrinter::VisitProperty(Property* node) { |
| 858 | Expression* key = node->key(); |
| 859 | Literal* literal = key->AsLiteral(); |
| 860 | if (literal != NULL && literal->value()->IsInternalizedString()) { |
| 861 | Print("("); |
| 862 | Visit(node->obj()); |
| 863 | Print(")."); |
| 864 | PrintLiteral(literal->value(), false); |
| 865 | } else { |
| 866 | Visit(node->obj()); |
| 867 | Print("["); |
| 868 | Visit(key); |
| 869 | Print("]"); |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | |
| 874 | void PrettyPrinter::VisitCall(Call* node) { |
| 875 | Visit(node->expression()); |
| 876 | PrintArguments(node->arguments()); |
| 877 | } |
| 878 | |
| 879 | |
| 880 | void PrettyPrinter::VisitCallNew(CallNew* node) { |
| 881 | Print("new ("); |
| 882 | Visit(node->expression()); |
| 883 | Print(")"); |
| 884 | PrintArguments(node->arguments()); |
| 885 | } |
| 886 | |
| 887 | |
| 888 | void PrettyPrinter::VisitCallRuntime(CallRuntime* node) { |
| 889 | Print("%%%s\n", node->debug_name()); |
| 890 | PrintArguments(node->arguments()); |
| 891 | } |
| 892 | |
| 893 | |
| 894 | void PrettyPrinter::VisitUnaryOperation(UnaryOperation* node) { |
| 895 | Token::Value op = node->op(); |
| 896 | bool needsSpace = |
| 897 | op == Token::DELETE || op == Token::TYPEOF || op == Token::VOID; |
| 898 | Print("(%s%s", Token::String(op), needsSpace ? " " : ""); |
| 899 | Visit(node->expression()); |
| 900 | Print(")"); |
| 901 | } |
| 902 | |
| 903 | |
| 904 | void PrettyPrinter::VisitCountOperation(CountOperation* node) { |
| 905 | Print("("); |
| 906 | if (node->is_prefix()) Print("%s", Token::String(node->op())); |
| 907 | Visit(node->expression()); |
| 908 | if (node->is_postfix()) Print("%s", Token::String(node->op())); |
| 909 | Print(")"); |
| 910 | } |
| 911 | |
| 912 | |
| 913 | void PrettyPrinter::VisitBinaryOperation(BinaryOperation* node) { |
| 914 | Print("("); |
| 915 | Visit(node->left()); |
| 916 | Print(" %s ", Token::String(node->op())); |
| 917 | Visit(node->right()); |
| 918 | Print(")"); |
| 919 | } |
| 920 | |
| 921 | |
| 922 | void PrettyPrinter::VisitCompareOperation(CompareOperation* node) { |
| 923 | Print("("); |
| 924 | Visit(node->left()); |
| 925 | Print(" %s ", Token::String(node->op())); |
| 926 | Visit(node->right()); |
| 927 | Print(")"); |
| 928 | } |
| 929 | |
| 930 | |
| 931 | void PrettyPrinter::VisitSpread(Spread* node) { |
| 932 | Print("(..."); |
| 933 | Visit(node->expression()); |
| 934 | Print(")"); |
| 935 | } |
| 936 | |
| 937 | |
| 938 | void PrettyPrinter::VisitEmptyParentheses(EmptyParentheses* node) { |
| 939 | Print("()"); |
| 940 | } |
| 941 | |
| 942 | |
| 943 | void PrettyPrinter::VisitThisFunction(ThisFunction* node) { |
| 944 | Print("<this-function>"); |
| 945 | } |
| 946 | |
| 947 | |
| 948 | void PrettyPrinter::VisitSuperPropertyReference(SuperPropertyReference* node) { |
| 949 | Print("<super-property-reference>"); |
| 950 | } |
| 951 | |
| 952 | |
| 953 | void PrettyPrinter::VisitSuperCallReference(SuperCallReference* node) { |
| 954 | Print("<super-call-reference>"); |
| 955 | } |
| 956 | |
| 957 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 958 | void PrettyPrinter::VisitRewritableExpression(RewritableExpression* node) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 959 | Visit(node->expression()); |
| 960 | } |
| 961 | |
| 962 | |
| 963 | const char* PrettyPrinter::Print(AstNode* node) { |
| 964 | Init(); |
| 965 | Visit(node); |
| 966 | return output_; |
| 967 | } |
| 968 | |
| 969 | |
| 970 | const char* PrettyPrinter::PrintExpression(FunctionLiteral* program) { |
| 971 | Init(); |
| 972 | ExpressionStatement* statement = |
| 973 | program->body()->at(0)->AsExpressionStatement(); |
| 974 | Visit(statement->expression()); |
| 975 | return output_; |
| 976 | } |
| 977 | |
| 978 | |
| 979 | const char* PrettyPrinter::PrintProgram(FunctionLiteral* program) { |
| 980 | Init(); |
| 981 | PrintStatements(program->body()); |
| 982 | Print("\n"); |
| 983 | return output_; |
| 984 | } |
| 985 | |
| 986 | |
| 987 | void PrettyPrinter::PrintOut(Isolate* isolate, AstNode* node) { |
| 988 | PrettyPrinter printer(isolate); |
| 989 | PrintF("%s\n", printer.Print(node)); |
| 990 | } |
| 991 | |
| 992 | |
| 993 | void PrettyPrinter::Init() { |
| 994 | if (size_ == 0) { |
| 995 | DCHECK(output_ == NULL); |
| 996 | const int initial_size = 256; |
| 997 | output_ = NewArray<char>(initial_size); |
| 998 | size_ = initial_size; |
| 999 | } |
| 1000 | output_[0] = '\0'; |
| 1001 | pos_ = 0; |
| 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | void PrettyPrinter::Print(const char* format, ...) { |
| 1006 | for (;;) { |
| 1007 | va_list arguments; |
| 1008 | va_start(arguments, format); |
| 1009 | int n = VSNPrintF(Vector<char>(output_, size_) + pos_, |
| 1010 | format, |
| 1011 | arguments); |
| 1012 | va_end(arguments); |
| 1013 | |
| 1014 | if (n >= 0) { |
| 1015 | // there was enough space - we are done |
| 1016 | pos_ += n; |
| 1017 | return; |
| 1018 | } else { |
| 1019 | // there was not enough space - allocate more and try again |
| 1020 | const int slack = 32; |
| 1021 | int new_size = size_ + (size_ >> 1) + slack; |
| 1022 | char* new_output = NewArray<char>(new_size); |
| 1023 | MemCopy(new_output, output_, pos_); |
| 1024 | DeleteArray(output_); |
| 1025 | output_ = new_output; |
| 1026 | size_ = new_size; |
| 1027 | } |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | |
| 1032 | void PrettyPrinter::PrintStatements(ZoneList<Statement*>* statements) { |
| 1033 | if (statements == NULL) return; |
| 1034 | for (int i = 0; i < statements->length(); i++) { |
| 1035 | if (i != 0) Print(" "); |
| 1036 | Visit(statements->at(i)); |
| 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | |
| 1041 | void PrettyPrinter::PrintLabels(ZoneList<const AstRawString*>* labels) { |
| 1042 | if (labels != NULL) { |
| 1043 | for (int i = 0; i < labels->length(); i++) { |
| 1044 | PrintLiteral(labels->at(i), false); |
| 1045 | Print(": "); |
| 1046 | } |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | |
| 1051 | void PrettyPrinter::PrintArguments(ZoneList<Expression*>* arguments) { |
| 1052 | Print("("); |
| 1053 | for (int i = 0; i < arguments->length(); i++) { |
| 1054 | if (i != 0) Print(", "); |
| 1055 | Visit(arguments->at(i)); |
| 1056 | } |
| 1057 | Print(")"); |
| 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | void PrettyPrinter::PrintLiteral(Handle<Object> value, bool quote) { |
| 1062 | Object* object = *value; |
| 1063 | if (object->IsString()) { |
| 1064 | String* string = String::cast(object); |
| 1065 | if (quote) Print("\""); |
| 1066 | for (int i = 0; i < string->length(); i++) { |
| 1067 | Print("%c", string->Get(i)); |
| 1068 | } |
| 1069 | if (quote) Print("\""); |
| 1070 | } else if (object->IsNull()) { |
| 1071 | Print("null"); |
| 1072 | } else if (object->IsTrue()) { |
| 1073 | Print("true"); |
| 1074 | } else if (object->IsFalse()) { |
| 1075 | Print("false"); |
| 1076 | } else if (object->IsUndefined()) { |
| 1077 | Print("undefined"); |
| 1078 | } else if (object->IsNumber()) { |
| 1079 | Print("%g", object->Number()); |
| 1080 | } else if (object->IsJSObject()) { |
| 1081 | // regular expression |
| 1082 | if (object->IsJSFunction()) { |
| 1083 | Print("JS-Function"); |
| 1084 | } else if (object->IsJSArray()) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1085 | Print("JS-array[%u]", |
| 1086 | Smi::cast(JSArray::cast(object)->length())->value()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1087 | } else if (object->IsJSObject()) { |
| 1088 | Print("JS-Object"); |
| 1089 | } else { |
| 1090 | Print("?UNKNOWN?"); |
| 1091 | } |
| 1092 | } else if (object->IsFixedArray()) { |
| 1093 | Print("FixedArray"); |
| 1094 | } else { |
| 1095 | Print("<unknown literal %p>", object); |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | void PrettyPrinter::PrintLiteral(const AstRawString* value, bool quote) { |
| 1101 | PrintLiteral(value->string(), quote); |
| 1102 | } |
| 1103 | |
| 1104 | |
| 1105 | void PrettyPrinter::PrintParameters(Scope* scope) { |
| 1106 | Print("("); |
| 1107 | for (int i = 0; i < scope->num_parameters(); i++) { |
| 1108 | if (i > 0) Print(", "); |
| 1109 | PrintLiteral(scope->parameter(i)->name(), false); |
| 1110 | } |
| 1111 | Print(")"); |
| 1112 | } |
| 1113 | |
| 1114 | |
| 1115 | void PrettyPrinter::PrintDeclarations(ZoneList<Declaration*>* declarations) { |
| 1116 | for (int i = 0; i < declarations->length(); i++) { |
| 1117 | if (i > 0) Print(" "); |
| 1118 | Visit(declarations->at(i)); |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | |
| 1123 | void PrettyPrinter::PrintFunctionLiteral(FunctionLiteral* function) { |
| 1124 | Print("function "); |
| 1125 | PrintLiteral(function->name(), false); |
| 1126 | PrintParameters(function->scope()); |
| 1127 | Print(" { "); |
| 1128 | PrintDeclarations(function->scope()->declarations()); |
| 1129 | PrintStatements(function->body()); |
| 1130 | Print(" }"); |
| 1131 | } |
| 1132 | |
| 1133 | |
| 1134 | //----------------------------------------------------------------------------- |
| 1135 | |
| 1136 | class IndentedScope BASE_EMBEDDED { |
| 1137 | public: |
| 1138 | IndentedScope(AstPrinter* printer, const char* txt) |
| 1139 | : ast_printer_(printer) { |
| 1140 | ast_printer_->PrintIndented(txt); |
| 1141 | ast_printer_->Print("\n"); |
| 1142 | ast_printer_->inc_indent(); |
| 1143 | } |
| 1144 | |
| 1145 | IndentedScope(AstPrinter* printer, const char* txt, int pos) |
| 1146 | : ast_printer_(printer) { |
| 1147 | ast_printer_->PrintIndented(txt); |
| 1148 | ast_printer_->Print(" at %d\n", pos); |
| 1149 | ast_printer_->inc_indent(); |
| 1150 | } |
| 1151 | |
| 1152 | virtual ~IndentedScope() { |
| 1153 | ast_printer_->dec_indent(); |
| 1154 | } |
| 1155 | |
| 1156 | private: |
| 1157 | AstPrinter* ast_printer_; |
| 1158 | }; |
| 1159 | |
| 1160 | |
| 1161 | //----------------------------------------------------------------------------- |
| 1162 | |
| 1163 | |
| 1164 | AstPrinter::AstPrinter(Isolate* isolate) : PrettyPrinter(isolate), indent_(0) {} |
| 1165 | |
| 1166 | |
| 1167 | AstPrinter::~AstPrinter() { |
| 1168 | DCHECK(indent_ == 0); |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | void AstPrinter::PrintIndented(const char* txt) { |
| 1173 | for (int i = 0; i < indent_; i++) { |
| 1174 | Print(". "); |
| 1175 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1176 | Print("%s", txt); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | |
| 1180 | void AstPrinter::PrintLiteralIndented(const char* info, |
| 1181 | Handle<Object> value, |
| 1182 | bool quote) { |
| 1183 | PrintIndented(info); |
| 1184 | Print(" "); |
| 1185 | PrintLiteral(value, quote); |
| 1186 | Print("\n"); |
| 1187 | } |
| 1188 | |
| 1189 | |
| 1190 | void AstPrinter::PrintLiteralWithModeIndented(const char* info, |
| 1191 | Variable* var, |
| 1192 | Handle<Object> value) { |
| 1193 | if (var == NULL) { |
| 1194 | PrintLiteralIndented(info, value, true); |
| 1195 | } else { |
| 1196 | EmbeddedVector<char, 256> buf; |
| 1197 | int pos = SNPrintF(buf, "%s (mode = %s", info, |
| 1198 | Variable::Mode2String(var->mode())); |
| 1199 | SNPrintF(buf + pos, ")"); |
| 1200 | PrintLiteralIndented(buf.start(), value, true); |
| 1201 | } |
| 1202 | } |
| 1203 | |
| 1204 | |
| 1205 | void AstPrinter::PrintLabelsIndented(ZoneList<const AstRawString*>* labels) { |
| 1206 | if (labels == NULL || labels->length() == 0) return; |
| 1207 | PrintIndented("LABELS "); |
| 1208 | PrintLabels(labels); |
| 1209 | Print("\n"); |
| 1210 | } |
| 1211 | |
| 1212 | |
| 1213 | void AstPrinter::PrintIndentedVisit(const char* s, AstNode* node) { |
| 1214 | IndentedScope indent(this, s, node->position()); |
| 1215 | Visit(node); |
| 1216 | } |
| 1217 | |
| 1218 | |
| 1219 | const char* AstPrinter::PrintProgram(FunctionLiteral* program) { |
| 1220 | Init(); |
| 1221 | { IndentedScope indent(this, "FUNC", program->position()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1222 | PrintIndented("KIND"); |
| 1223 | Print(" %d\n", program->kind()); |
| 1224 | PrintIndented("YIELD COUNT"); |
| 1225 | Print(" %d\n", program->yield_count()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1226 | PrintLiteralIndented("NAME", program->name(), true); |
| 1227 | PrintLiteralIndented("INFERRED NAME", program->inferred_name(), true); |
| 1228 | PrintParameters(program->scope()); |
| 1229 | PrintDeclarations(program->scope()->declarations()); |
| 1230 | PrintStatements(program->body()); |
| 1231 | } |
| 1232 | return Output(); |
| 1233 | } |
| 1234 | |
| 1235 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1236 | void AstPrinter::PrintOut(Isolate* isolate, AstNode* node) { |
| 1237 | AstPrinter printer(isolate); |
| 1238 | printer.Init(); |
| 1239 | printer.Visit(node); |
| 1240 | PrintF("%s", printer.Output()); |
| 1241 | } |
| 1242 | |
| 1243 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1244 | void AstPrinter::PrintDeclarations(ZoneList<Declaration*>* declarations) { |
| 1245 | if (declarations->length() > 0) { |
| 1246 | IndentedScope indent(this, "DECLS"); |
| 1247 | for (int i = 0; i < declarations->length(); i++) { |
| 1248 | Visit(declarations->at(i)); |
| 1249 | } |
| 1250 | } |
| 1251 | } |
| 1252 | |
| 1253 | |
| 1254 | void AstPrinter::PrintParameters(Scope* scope) { |
| 1255 | if (scope->num_parameters() > 0) { |
| 1256 | IndentedScope indent(this, "PARAMS"); |
| 1257 | for (int i = 0; i < scope->num_parameters(); i++) { |
| 1258 | PrintLiteralWithModeIndented("VAR", scope->parameter(i), |
| 1259 | scope->parameter(i)->name()); |
| 1260 | } |
| 1261 | } |
| 1262 | } |
| 1263 | |
| 1264 | |
| 1265 | void AstPrinter::PrintStatements(ZoneList<Statement*>* statements) { |
| 1266 | for (int i = 0; i < statements->length(); i++) { |
| 1267 | Visit(statements->at(i)); |
| 1268 | } |
| 1269 | } |
| 1270 | |
| 1271 | |
| 1272 | void AstPrinter::PrintArguments(ZoneList<Expression*>* arguments) { |
| 1273 | for (int i = 0; i < arguments->length(); i++) { |
| 1274 | Visit(arguments->at(i)); |
| 1275 | } |
| 1276 | } |
| 1277 | |
| 1278 | |
| 1279 | void AstPrinter::VisitBlock(Block* node) { |
| 1280 | const char* block_txt = |
| 1281 | node->ignore_completion_value() ? "BLOCK NOCOMPLETIONS" : "BLOCK"; |
| 1282 | IndentedScope indent(this, block_txt, node->position()); |
| 1283 | PrintStatements(node->statements()); |
| 1284 | } |
| 1285 | |
| 1286 | |
| 1287 | // TODO(svenpanne) Start with IndentedScope. |
| 1288 | void AstPrinter::VisitVariableDeclaration(VariableDeclaration* node) { |
| 1289 | PrintLiteralWithModeIndented(Variable::Mode2String(node->mode()), |
| 1290 | node->proxy()->var(), |
| 1291 | node->proxy()->name()); |
| 1292 | } |
| 1293 | |
| 1294 | |
| 1295 | // TODO(svenpanne) Start with IndentedScope. |
| 1296 | void AstPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) { |
| 1297 | PrintIndented("FUNCTION "); |
| 1298 | PrintLiteral(node->proxy()->name(), true); |
| 1299 | Print(" = function "); |
| 1300 | PrintLiteral(node->fun()->name(), false); |
| 1301 | Print("\n"); |
| 1302 | } |
| 1303 | |
| 1304 | |
| 1305 | void AstPrinter::VisitImportDeclaration(ImportDeclaration* node) { |
| 1306 | IndentedScope indent(this, "IMPORT", node->position()); |
| 1307 | PrintLiteralIndented("NAME", node->proxy()->name(), true); |
| 1308 | PrintLiteralIndented("FROM", node->module_specifier()->string(), true); |
| 1309 | } |
| 1310 | |
| 1311 | |
| 1312 | void AstPrinter::VisitExportDeclaration(ExportDeclaration* node) { |
| 1313 | IndentedScope indent(this, "EXPORT", node->position()); |
| 1314 | PrintLiteral(node->proxy()->name(), true); |
| 1315 | } |
| 1316 | |
| 1317 | |
| 1318 | void AstPrinter::VisitExpressionStatement(ExpressionStatement* node) { |
| 1319 | IndentedScope indent(this, "EXPRESSION STATEMENT", node->position()); |
| 1320 | Visit(node->expression()); |
| 1321 | } |
| 1322 | |
| 1323 | |
| 1324 | void AstPrinter::VisitEmptyStatement(EmptyStatement* node) { |
| 1325 | IndentedScope indent(this, "EMPTY", node->position()); |
| 1326 | } |
| 1327 | |
| 1328 | |
| 1329 | void AstPrinter::VisitSloppyBlockFunctionStatement( |
| 1330 | SloppyBlockFunctionStatement* node) { |
| 1331 | Visit(node->statement()); |
| 1332 | } |
| 1333 | |
| 1334 | |
| 1335 | void AstPrinter::VisitIfStatement(IfStatement* node) { |
| 1336 | IndentedScope indent(this, "IF", node->position()); |
| 1337 | PrintIndentedVisit("CONDITION", node->condition()); |
| 1338 | PrintIndentedVisit("THEN", node->then_statement()); |
| 1339 | if (node->HasElseStatement()) { |
| 1340 | PrintIndentedVisit("ELSE", node->else_statement()); |
| 1341 | } |
| 1342 | } |
| 1343 | |
| 1344 | |
| 1345 | void AstPrinter::VisitContinueStatement(ContinueStatement* node) { |
| 1346 | IndentedScope indent(this, "CONTINUE", node->position()); |
| 1347 | PrintLabelsIndented(node->target()->labels()); |
| 1348 | } |
| 1349 | |
| 1350 | |
| 1351 | void AstPrinter::VisitBreakStatement(BreakStatement* node) { |
| 1352 | IndentedScope indent(this, "BREAK", node->position()); |
| 1353 | PrintLabelsIndented(node->target()->labels()); |
| 1354 | } |
| 1355 | |
| 1356 | |
| 1357 | void AstPrinter::VisitReturnStatement(ReturnStatement* node) { |
| 1358 | IndentedScope indent(this, "RETURN", node->position()); |
| 1359 | Visit(node->expression()); |
| 1360 | } |
| 1361 | |
| 1362 | |
| 1363 | void AstPrinter::VisitWithStatement(WithStatement* node) { |
| 1364 | IndentedScope indent(this, "WITH", node->position()); |
| 1365 | PrintIndentedVisit("OBJECT", node->expression()); |
| 1366 | PrintIndentedVisit("BODY", node->statement()); |
| 1367 | } |
| 1368 | |
| 1369 | |
| 1370 | void AstPrinter::VisitSwitchStatement(SwitchStatement* node) { |
| 1371 | IndentedScope indent(this, "SWITCH", node->position()); |
| 1372 | PrintLabelsIndented(node->labels()); |
| 1373 | PrintIndentedVisit("TAG", node->tag()); |
| 1374 | for (int i = 0; i < node->cases()->length(); i++) { |
| 1375 | Visit(node->cases()->at(i)); |
| 1376 | } |
| 1377 | } |
| 1378 | |
| 1379 | |
| 1380 | void AstPrinter::VisitCaseClause(CaseClause* clause) { |
| 1381 | if (clause->is_default()) { |
| 1382 | IndentedScope indent(this, "DEFAULT", clause->position()); |
| 1383 | PrintStatements(clause->statements()); |
| 1384 | } else { |
| 1385 | IndentedScope indent(this, "CASE", clause->position()); |
| 1386 | Visit(clause->label()); |
| 1387 | PrintStatements(clause->statements()); |
| 1388 | } |
| 1389 | } |
| 1390 | |
| 1391 | |
| 1392 | void AstPrinter::VisitDoWhileStatement(DoWhileStatement* node) { |
| 1393 | IndentedScope indent(this, "DO", node->position()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1394 | PrintIndented("YIELD COUNT"); |
| 1395 | Print(" %d\n", node->yield_count()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1396 | PrintLabelsIndented(node->labels()); |
| 1397 | PrintIndentedVisit("BODY", node->body()); |
| 1398 | PrintIndentedVisit("COND", node->cond()); |
| 1399 | } |
| 1400 | |
| 1401 | |
| 1402 | void AstPrinter::VisitWhileStatement(WhileStatement* node) { |
| 1403 | IndentedScope indent(this, "WHILE", node->position()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1404 | PrintIndented("YIELD COUNT"); |
| 1405 | Print(" %d\n", node->yield_count()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1406 | PrintLabelsIndented(node->labels()); |
| 1407 | PrintIndentedVisit("COND", node->cond()); |
| 1408 | PrintIndentedVisit("BODY", node->body()); |
| 1409 | } |
| 1410 | |
| 1411 | |
| 1412 | void AstPrinter::VisitForStatement(ForStatement* node) { |
| 1413 | IndentedScope indent(this, "FOR", node->position()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1414 | PrintIndented("YIELD COUNT"); |
| 1415 | Print(" %d\n", node->yield_count()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1416 | PrintLabelsIndented(node->labels()); |
| 1417 | if (node->init()) PrintIndentedVisit("INIT", node->init()); |
| 1418 | if (node->cond()) PrintIndentedVisit("COND", node->cond()); |
| 1419 | PrintIndentedVisit("BODY", node->body()); |
| 1420 | if (node->next()) PrintIndentedVisit("NEXT", node->next()); |
| 1421 | } |
| 1422 | |
| 1423 | |
| 1424 | void AstPrinter::VisitForInStatement(ForInStatement* node) { |
| 1425 | IndentedScope indent(this, "FOR IN", node->position()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1426 | PrintIndented("YIELD COUNT"); |
| 1427 | Print(" %d\n", node->yield_count()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1428 | PrintIndentedVisit("FOR", node->each()); |
| 1429 | PrintIndentedVisit("IN", node->enumerable()); |
| 1430 | PrintIndentedVisit("BODY", node->body()); |
| 1431 | } |
| 1432 | |
| 1433 | |
| 1434 | void AstPrinter::VisitForOfStatement(ForOfStatement* node) { |
| 1435 | IndentedScope indent(this, "FOR OF", node->position()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1436 | PrintIndented("YIELD COUNT"); |
| 1437 | Print(" %d\n", node->yield_count()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1438 | PrintIndentedVisit("INIT", node->assign_iterator()); |
| 1439 | PrintIndentedVisit("NEXT", node->next_result()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1440 | PrintIndentedVisit("DONE", node->result_done()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1441 | PrintIndentedVisit("EACH", node->assign_each()); |
| 1442 | PrintIndentedVisit("BODY", node->body()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1443 | } |
| 1444 | |
| 1445 | |
| 1446 | void AstPrinter::VisitTryCatchStatement(TryCatchStatement* node) { |
| 1447 | IndentedScope indent(this, "TRY CATCH", node->position()); |
| 1448 | PrintIndentedVisit("TRY", node->try_block()); |
| 1449 | PrintLiteralWithModeIndented("CATCHVAR", |
| 1450 | node->variable(), |
| 1451 | node->variable()->name()); |
| 1452 | PrintIndentedVisit("CATCH", node->catch_block()); |
| 1453 | } |
| 1454 | |
| 1455 | |
| 1456 | void AstPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) { |
| 1457 | IndentedScope indent(this, "TRY FINALLY", node->position()); |
| 1458 | PrintIndentedVisit("TRY", node->try_block()); |
| 1459 | PrintIndentedVisit("FINALLY", node->finally_block()); |
| 1460 | } |
| 1461 | |
| 1462 | |
| 1463 | void AstPrinter::VisitDebuggerStatement(DebuggerStatement* node) { |
| 1464 | IndentedScope indent(this, "DEBUGGER", node->position()); |
| 1465 | } |
| 1466 | |
| 1467 | |
| 1468 | void AstPrinter::VisitFunctionLiteral(FunctionLiteral* node) { |
| 1469 | IndentedScope indent(this, "FUNC LITERAL", node->position()); |
| 1470 | PrintLiteralIndented("NAME", node->name(), false); |
| 1471 | PrintLiteralIndented("INFERRED NAME", node->inferred_name(), false); |
| 1472 | PrintParameters(node->scope()); |
| 1473 | // We don't want to see the function literal in this case: it |
| 1474 | // will be printed via PrintProgram when the code for it is |
| 1475 | // generated. |
| 1476 | // PrintStatements(node->body()); |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | void AstPrinter::VisitClassLiteral(ClassLiteral* node) { |
| 1481 | IndentedScope indent(this, "CLASS LITERAL", node->position()); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1482 | PrintLiteralIndented("NAME", node->constructor()->name(), false); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1483 | if (node->extends() != nullptr) { |
| 1484 | PrintIndentedVisit("EXTENDS", node->extends()); |
| 1485 | } |
| 1486 | PrintProperties(node->properties()); |
| 1487 | } |
| 1488 | |
| 1489 | |
| 1490 | void AstPrinter::PrintProperties( |
| 1491 | ZoneList<ObjectLiteral::Property*>* properties) { |
| 1492 | for (int i = 0; i < properties->length(); i++) { |
| 1493 | ObjectLiteral::Property* property = properties->at(i); |
| 1494 | const char* prop_kind = nullptr; |
| 1495 | switch (property->kind()) { |
| 1496 | case ObjectLiteral::Property::CONSTANT: |
| 1497 | prop_kind = "CONSTANT"; |
| 1498 | break; |
| 1499 | case ObjectLiteral::Property::COMPUTED: |
| 1500 | prop_kind = "COMPUTED"; |
| 1501 | break; |
| 1502 | case ObjectLiteral::Property::MATERIALIZED_LITERAL: |
| 1503 | prop_kind = "MATERIALIZED_LITERAL"; |
| 1504 | break; |
| 1505 | case ObjectLiteral::Property::PROTOTYPE: |
| 1506 | prop_kind = "PROTOTYPE"; |
| 1507 | break; |
| 1508 | case ObjectLiteral::Property::GETTER: |
| 1509 | prop_kind = "GETTER"; |
| 1510 | break; |
| 1511 | case ObjectLiteral::Property::SETTER: |
| 1512 | prop_kind = "SETTER"; |
| 1513 | break; |
| 1514 | } |
| 1515 | EmbeddedVector<char, 128> buf; |
| 1516 | SNPrintF(buf, "PROPERTY%s - %s", property->is_static() ? " - STATIC" : "", |
| 1517 | prop_kind); |
| 1518 | IndentedScope prop(this, buf.start()); |
| 1519 | PrintIndentedVisit("KEY", properties->at(i)->key()); |
| 1520 | PrintIndentedVisit("VALUE", properties->at(i)->value()); |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | |
| 1525 | void AstPrinter::VisitNativeFunctionLiteral(NativeFunctionLiteral* node) { |
| 1526 | IndentedScope indent(this, "NATIVE FUNC LITERAL", node->position()); |
| 1527 | PrintLiteralIndented("NAME", node->name(), false); |
| 1528 | } |
| 1529 | |
| 1530 | |
| 1531 | void AstPrinter::VisitDoExpression(DoExpression* node) { |
| 1532 | IndentedScope indent(this, "DO EXPRESSION", node->position()); |
| 1533 | PrintStatements(node->block()->statements()); |
| 1534 | } |
| 1535 | |
| 1536 | |
| 1537 | void AstPrinter::VisitConditional(Conditional* node) { |
| 1538 | IndentedScope indent(this, "CONDITIONAL", node->position()); |
| 1539 | PrintIndentedVisit("CONDITION", node->condition()); |
| 1540 | PrintIndentedVisit("THEN", node->then_expression()); |
| 1541 | PrintIndentedVisit("ELSE", node->else_expression()); |
| 1542 | } |
| 1543 | |
| 1544 | |
| 1545 | // TODO(svenpanne) Start with IndentedScope. |
| 1546 | void AstPrinter::VisitLiteral(Literal* node) { |
| 1547 | PrintLiteralIndented("LITERAL", node->value(), true); |
| 1548 | } |
| 1549 | |
| 1550 | |
| 1551 | void AstPrinter::VisitRegExpLiteral(RegExpLiteral* node) { |
| 1552 | IndentedScope indent(this, "REGEXP LITERAL", node->position()); |
| 1553 | EmbeddedVector<char, 128> buf; |
| 1554 | SNPrintF(buf, "literal_index = %d\n", node->literal_index()); |
| 1555 | PrintIndented(buf.start()); |
| 1556 | PrintLiteralIndented("PATTERN", node->pattern(), false); |
| 1557 | int i = 0; |
| 1558 | if (node->flags() & RegExp::kGlobal) buf[i++] = 'g'; |
| 1559 | if (node->flags() & RegExp::kIgnoreCase) buf[i++] = 'i'; |
| 1560 | if (node->flags() & RegExp::kMultiline) buf[i++] = 'm'; |
| 1561 | if (node->flags() & RegExp::kUnicode) buf[i++] = 'u'; |
| 1562 | if (node->flags() & RegExp::kSticky) buf[i++] = 'y'; |
| 1563 | buf[i] = '\0'; |
| 1564 | PrintIndented("FLAGS "); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1565 | Print("%s", buf.start()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1566 | Print("\n"); |
| 1567 | } |
| 1568 | |
| 1569 | |
| 1570 | void AstPrinter::VisitObjectLiteral(ObjectLiteral* node) { |
| 1571 | IndentedScope indent(this, "OBJ LITERAL", node->position()); |
| 1572 | EmbeddedVector<char, 128> buf; |
| 1573 | SNPrintF(buf, "literal_index = %d\n", node->literal_index()); |
| 1574 | PrintIndented(buf.start()); |
| 1575 | PrintProperties(node->properties()); |
| 1576 | } |
| 1577 | |
| 1578 | |
| 1579 | void AstPrinter::VisitArrayLiteral(ArrayLiteral* node) { |
| 1580 | IndentedScope indent(this, "ARRAY LITERAL", node->position()); |
| 1581 | |
| 1582 | EmbeddedVector<char, 128> buf; |
| 1583 | SNPrintF(buf, "literal_index = %d\n", node->literal_index()); |
| 1584 | PrintIndented(buf.start()); |
| 1585 | if (node->values()->length() > 0) { |
| 1586 | IndentedScope indent(this, "VALUES", node->position()); |
| 1587 | for (int i = 0; i < node->values()->length(); i++) { |
| 1588 | Visit(node->values()->at(i)); |
| 1589 | } |
| 1590 | } |
| 1591 | } |
| 1592 | |
| 1593 | |
| 1594 | void AstPrinter::VisitVariableProxy(VariableProxy* node) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1595 | EmbeddedVector<char, 128> buf; |
| 1596 | int pos = |
| 1597 | FormatSlotNode(&buf, node, "VAR PROXY", node->VariableFeedbackSlot()); |
| 1598 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1599 | if (!node->is_resolved()) { |
| 1600 | SNPrintF(buf + pos, " unresolved"); |
| 1601 | PrintLiteralWithModeIndented(buf.start(), nullptr, node->name()); |
| 1602 | } else { |
| 1603 | Variable* var = node->var(); |
| 1604 | switch (var->location()) { |
| 1605 | case VariableLocation::UNALLOCATED: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1606 | SNPrintF(buf + pos, " unallocated"); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1607 | break; |
| 1608 | case VariableLocation::PARAMETER: |
| 1609 | SNPrintF(buf + pos, " parameter[%d]", var->index()); |
| 1610 | break; |
| 1611 | case VariableLocation::LOCAL: |
| 1612 | SNPrintF(buf + pos, " local[%d]", var->index()); |
| 1613 | break; |
| 1614 | case VariableLocation::CONTEXT: |
| 1615 | SNPrintF(buf + pos, " context[%d]", var->index()); |
| 1616 | break; |
| 1617 | case VariableLocation::GLOBAL: |
| 1618 | SNPrintF(buf + pos, " global[%d]", var->index()); |
| 1619 | break; |
| 1620 | case VariableLocation::LOOKUP: |
| 1621 | SNPrintF(buf + pos, " lookup"); |
| 1622 | break; |
| 1623 | } |
| 1624 | PrintLiteralWithModeIndented(buf.start(), var, node->name()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1625 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1626 | } |
| 1627 | |
| 1628 | |
| 1629 | void AstPrinter::VisitAssignment(Assignment* node) { |
| 1630 | IndentedScope indent(this, Token::Name(node->op()), node->position()); |
| 1631 | Visit(node->target()); |
| 1632 | Visit(node->value()); |
| 1633 | } |
| 1634 | |
| 1635 | |
| 1636 | void AstPrinter::VisitYield(Yield* node) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1637 | EmbeddedVector<char, 128> buf; |
| 1638 | SNPrintF(buf, "YIELD id %d", node->yield_id()); |
| 1639 | IndentedScope indent(this, buf.start(), node->position()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1640 | Visit(node->expression()); |
| 1641 | } |
| 1642 | |
| 1643 | |
| 1644 | void AstPrinter::VisitThrow(Throw* node) { |
| 1645 | IndentedScope indent(this, "THROW", node->position()); |
| 1646 | Visit(node->exception()); |
| 1647 | } |
| 1648 | |
| 1649 | |
| 1650 | void AstPrinter::VisitProperty(Property* node) { |
| 1651 | EmbeddedVector<char, 128> buf; |
| 1652 | FormatSlotNode(&buf, node, "PROPERTY", node->PropertyFeedbackSlot()); |
| 1653 | IndentedScope indent(this, buf.start(), node->position()); |
| 1654 | |
| 1655 | Visit(node->obj()); |
| 1656 | Literal* literal = node->key()->AsLiteral(); |
| 1657 | if (literal != NULL && literal->value()->IsInternalizedString()) { |
| 1658 | PrintLiteralIndented("NAME", literal->value(), false); |
| 1659 | } else { |
| 1660 | PrintIndentedVisit("KEY", node->key()); |
| 1661 | } |
| 1662 | } |
| 1663 | |
| 1664 | |
| 1665 | void AstPrinter::VisitCall(Call* node) { |
| 1666 | EmbeddedVector<char, 128> buf; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1667 | const char* name = |
| 1668 | node->tail_call_mode() == TailCallMode::kAllow ? "TAIL CALL" : "CALL"; |
| 1669 | FormatSlotNode(&buf, node, name, node->CallFeedbackICSlot()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1670 | IndentedScope indent(this, buf.start()); |
| 1671 | |
| 1672 | Visit(node->expression()); |
| 1673 | PrintArguments(node->arguments()); |
| 1674 | } |
| 1675 | |
| 1676 | |
| 1677 | void AstPrinter::VisitCallNew(CallNew* node) { |
| 1678 | IndentedScope indent(this, "CALL NEW", node->position()); |
| 1679 | Visit(node->expression()); |
| 1680 | PrintArguments(node->arguments()); |
| 1681 | } |
| 1682 | |
| 1683 | |
| 1684 | void AstPrinter::VisitCallRuntime(CallRuntime* node) { |
| 1685 | EmbeddedVector<char, 128> buf; |
| 1686 | SNPrintF(buf, "CALL RUNTIME %s", node->debug_name()); |
| 1687 | IndentedScope indent(this, buf.start(), node->position()); |
| 1688 | PrintArguments(node->arguments()); |
| 1689 | } |
| 1690 | |
| 1691 | |
| 1692 | void AstPrinter::VisitUnaryOperation(UnaryOperation* node) { |
| 1693 | IndentedScope indent(this, Token::Name(node->op()), node->position()); |
| 1694 | Visit(node->expression()); |
| 1695 | } |
| 1696 | |
| 1697 | |
| 1698 | void AstPrinter::VisitCountOperation(CountOperation* node) { |
| 1699 | EmbeddedVector<char, 128> buf; |
| 1700 | SNPrintF(buf, "%s %s", (node->is_prefix() ? "PRE" : "POST"), |
| 1701 | Token::Name(node->op())); |
| 1702 | IndentedScope indent(this, buf.start(), node->position()); |
| 1703 | Visit(node->expression()); |
| 1704 | } |
| 1705 | |
| 1706 | |
| 1707 | void AstPrinter::VisitBinaryOperation(BinaryOperation* node) { |
| 1708 | IndentedScope indent(this, Token::Name(node->op()), node->position()); |
| 1709 | Visit(node->left()); |
| 1710 | Visit(node->right()); |
| 1711 | } |
| 1712 | |
| 1713 | |
| 1714 | void AstPrinter::VisitCompareOperation(CompareOperation* node) { |
| 1715 | IndentedScope indent(this, Token::Name(node->op()), node->position()); |
| 1716 | Visit(node->left()); |
| 1717 | Visit(node->right()); |
| 1718 | } |
| 1719 | |
| 1720 | |
| 1721 | void AstPrinter::VisitSpread(Spread* node) { |
| 1722 | IndentedScope indent(this, "...", node->position()); |
| 1723 | Visit(node->expression()); |
| 1724 | } |
| 1725 | |
| 1726 | |
| 1727 | void AstPrinter::VisitEmptyParentheses(EmptyParentheses* node) { |
| 1728 | IndentedScope indent(this, "()", node->position()); |
| 1729 | } |
| 1730 | |
| 1731 | |
| 1732 | void AstPrinter::VisitThisFunction(ThisFunction* node) { |
| 1733 | IndentedScope indent(this, "THIS-FUNCTION", node->position()); |
| 1734 | } |
| 1735 | |
| 1736 | |
| 1737 | void AstPrinter::VisitSuperPropertyReference(SuperPropertyReference* node) { |
| 1738 | IndentedScope indent(this, "SUPER-PROPERTY-REFERENCE", node->position()); |
| 1739 | } |
| 1740 | |
| 1741 | |
| 1742 | void AstPrinter::VisitSuperCallReference(SuperCallReference* node) { |
| 1743 | IndentedScope indent(this, "SUPER-CALL-REFERENCE", node->position()); |
| 1744 | } |
| 1745 | |
| 1746 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1747 | void AstPrinter::VisitRewritableExpression(RewritableExpression* node) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1748 | Visit(node->expression()); |
| 1749 | } |
| 1750 | |
| 1751 | |
| 1752 | #endif // DEBUG |
| 1753 | |
| 1754 | } // namespace internal |
| 1755 | } // namespace v8 |