StmtPrinter.cpp revision 01b7c3028da5bbcb9f8e52ba67e4613070de0e60
1//===--- StmtPrinter.cpp - Printing implementation for Stmt ASTs ----------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file implements the Stmt::dumpPretty/Stmt::printPretty methods, which 11// pretty print the AST back out to C code. 12// 13//===----------------------------------------------------------------------===// 14 15#include "clang/AST/StmtVisitor.h" 16#include "clang/AST/DeclCXX.h" 17#include "clang/AST/DeclObjC.h" 18#include "clang/AST/PrettyPrinter.h" 19#include "llvm/Support/Format.h" 20#include "clang/AST/Expr.h" 21#include "clang/AST/ExprCXX.h" 22using namespace clang; 23 24//===----------------------------------------------------------------------===// 25// StmtPrinter Visitor 26//===----------------------------------------------------------------------===// 27 28namespace { 29 class StmtPrinter : public StmtVisitor<StmtPrinter> { 30 llvm::raw_ostream &OS; 31 ASTContext &Context; 32 unsigned IndentLevel; 33 clang::PrinterHelper* Helper; 34 PrintingPolicy Policy; 35 36 public: 37 StmtPrinter(llvm::raw_ostream &os, ASTContext &C, PrinterHelper* helper, 38 const PrintingPolicy &Policy, 39 unsigned Indentation = 0) 40 : OS(os), Context(C), IndentLevel(Indentation), Helper(helper), 41 Policy(Policy) {} 42 43 void PrintStmt(Stmt *S) { 44 PrintStmt(S, Policy.Indentation); 45 } 46 47 void PrintStmt(Stmt *S, int SubIndent) { 48 IndentLevel += SubIndent; 49 if (S && isa<Expr>(S)) { 50 // If this is an expr used in a stmt context, indent and newline it. 51 Indent(); 52 Visit(S); 53 OS << ";\n"; 54 } else if (S) { 55 Visit(S); 56 } else { 57 Indent() << "<<<NULL STATEMENT>>>\n"; 58 } 59 IndentLevel -= SubIndent; 60 } 61 62 void PrintRawCompoundStmt(CompoundStmt *S); 63 void PrintRawDecl(Decl *D); 64 void PrintRawDeclStmt(DeclStmt *S); 65 void PrintRawIfStmt(IfStmt *If); 66 void PrintRawCXXCatchStmt(CXXCatchStmt *Catch); 67 68 void PrintExpr(Expr *E) { 69 if (E) 70 Visit(E); 71 else 72 OS << "<null expr>"; 73 } 74 75 llvm::raw_ostream &Indent(int Delta = 0) { 76 for (int i = 0, e = IndentLevel+Delta; i < e; ++i) 77 OS << " "; 78 return OS; 79 } 80 81 void Visit(Stmt* S) { 82 if (Helper && Helper->handledStmt(S,OS)) 83 return; 84 else StmtVisitor<StmtPrinter>::Visit(S); 85 } 86 87 void VisitStmt(Stmt *Node) ATTRIBUTE_UNUSED { 88 Indent() << "<<unknown stmt type>>\n"; 89 } 90 void VisitExpr(Expr *Node) ATTRIBUTE_UNUSED { 91 OS << "<<unknown expr type>>"; 92 } 93 void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node); 94 95#define ABSTRACT_STMT(CLASS) 96#define STMT(CLASS, PARENT) \ 97 void Visit##CLASS(CLASS *Node); 98#include "clang/AST/StmtNodes.inc" 99 }; 100} 101 102//===----------------------------------------------------------------------===// 103// Stmt printing methods. 104//===----------------------------------------------------------------------===// 105 106/// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and 107/// with no newline after the }. 108void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) { 109 OS << "{\n"; 110 for (CompoundStmt::body_iterator I = Node->body_begin(), E = Node->body_end(); 111 I != E; ++I) 112 PrintStmt(*I); 113 114 Indent() << "}"; 115} 116 117void StmtPrinter::PrintRawDecl(Decl *D) { 118 D->print(OS, Policy, IndentLevel); 119} 120 121void StmtPrinter::PrintRawDeclStmt(DeclStmt *S) { 122 DeclStmt::decl_iterator Begin = S->decl_begin(), End = S->decl_end(); 123 llvm::SmallVector<Decl*, 2> Decls; 124 for ( ; Begin != End; ++Begin) 125 Decls.push_back(*Begin); 126 127 Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel); 128} 129 130void StmtPrinter::VisitNullStmt(NullStmt *Node) { 131 Indent() << ";\n"; 132} 133 134void StmtPrinter::VisitDeclStmt(DeclStmt *Node) { 135 Indent(); 136 PrintRawDeclStmt(Node); 137 OS << ";\n"; 138} 139 140void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) { 141 Indent(); 142 PrintRawCompoundStmt(Node); 143 OS << "\n"; 144} 145 146void StmtPrinter::VisitCaseStmt(CaseStmt *Node) { 147 Indent(-1) << "case "; 148 PrintExpr(Node->getLHS()); 149 if (Node->getRHS()) { 150 OS << " ... "; 151 PrintExpr(Node->getRHS()); 152 } 153 OS << ":\n"; 154 155 PrintStmt(Node->getSubStmt(), 0); 156} 157 158void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) { 159 Indent(-1) << "default:\n"; 160 PrintStmt(Node->getSubStmt(), 0); 161} 162 163void StmtPrinter::VisitLabelStmt(LabelStmt *Node) { 164 Indent(-1) << Node->getName() << ":\n"; 165 PrintStmt(Node->getSubStmt(), 0); 166} 167 168void StmtPrinter::PrintRawIfStmt(IfStmt *If) { 169 OS << "if ("; 170 PrintExpr(If->getCond()); 171 OS << ')'; 172 173 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) { 174 OS << ' '; 175 PrintRawCompoundStmt(CS); 176 OS << (If->getElse() ? ' ' : '\n'); 177 } else { 178 OS << '\n'; 179 PrintStmt(If->getThen()); 180 if (If->getElse()) Indent(); 181 } 182 183 if (Stmt *Else = If->getElse()) { 184 OS << "else"; 185 186 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) { 187 OS << ' '; 188 PrintRawCompoundStmt(CS); 189 OS << '\n'; 190 } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) { 191 OS << ' '; 192 PrintRawIfStmt(ElseIf); 193 } else { 194 OS << '\n'; 195 PrintStmt(If->getElse()); 196 } 197 } 198} 199 200void StmtPrinter::VisitIfStmt(IfStmt *If) { 201 Indent(); 202 PrintRawIfStmt(If); 203} 204 205void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) { 206 Indent() << "switch ("; 207 PrintExpr(Node->getCond()); 208 OS << ")"; 209 210 // Pretty print compoundstmt bodies (very common). 211 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) { 212 OS << " "; 213 PrintRawCompoundStmt(CS); 214 OS << "\n"; 215 } else { 216 OS << "\n"; 217 PrintStmt(Node->getBody()); 218 } 219} 220 221void StmtPrinter::VisitSwitchCase(SwitchCase*) { 222 assert(0 && "SwitchCase is an abstract class"); 223} 224 225void StmtPrinter::VisitWhileStmt(WhileStmt *Node) { 226 Indent() << "while ("; 227 PrintExpr(Node->getCond()); 228 OS << ")\n"; 229 PrintStmt(Node->getBody()); 230} 231 232void StmtPrinter::VisitDoStmt(DoStmt *Node) { 233 Indent() << "do "; 234 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) { 235 PrintRawCompoundStmt(CS); 236 OS << " "; 237 } else { 238 OS << "\n"; 239 PrintStmt(Node->getBody()); 240 Indent(); 241 } 242 243 OS << "while ("; 244 PrintExpr(Node->getCond()); 245 OS << ");\n"; 246} 247 248void StmtPrinter::VisitForStmt(ForStmt *Node) { 249 Indent() << "for ("; 250 if (Node->getInit()) { 251 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit())) 252 PrintRawDeclStmt(DS); 253 else 254 PrintExpr(cast<Expr>(Node->getInit())); 255 } 256 OS << ";"; 257 if (Node->getCond()) { 258 OS << " "; 259 PrintExpr(Node->getCond()); 260 } 261 OS << ";"; 262 if (Node->getInc()) { 263 OS << " "; 264 PrintExpr(Node->getInc()); 265 } 266 OS << ") "; 267 268 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) { 269 PrintRawCompoundStmt(CS); 270 OS << "\n"; 271 } else { 272 OS << "\n"; 273 PrintStmt(Node->getBody()); 274 } 275} 276 277void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) { 278 Indent() << "for ("; 279 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement())) 280 PrintRawDeclStmt(DS); 281 else 282 PrintExpr(cast<Expr>(Node->getElement())); 283 OS << " in "; 284 PrintExpr(Node->getCollection()); 285 OS << ") "; 286 287 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) { 288 PrintRawCompoundStmt(CS); 289 OS << "\n"; 290 } else { 291 OS << "\n"; 292 PrintStmt(Node->getBody()); 293 } 294} 295 296void StmtPrinter::VisitGotoStmt(GotoStmt *Node) { 297 Indent() << "goto " << Node->getLabel()->getName() << ";\n"; 298} 299 300void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) { 301 Indent() << "goto *"; 302 PrintExpr(Node->getTarget()); 303 OS << ";\n"; 304} 305 306void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) { 307 Indent() << "continue;\n"; 308} 309 310void StmtPrinter::VisitBreakStmt(BreakStmt *Node) { 311 Indent() << "break;\n"; 312} 313 314 315void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) { 316 Indent() << "return"; 317 if (Node->getRetValue()) { 318 OS << " "; 319 PrintExpr(Node->getRetValue()); 320 } 321 OS << ";\n"; 322} 323 324 325void StmtPrinter::VisitAsmStmt(AsmStmt *Node) { 326 Indent() << "asm "; 327 328 if (Node->isVolatile()) 329 OS << "volatile "; 330 331 OS << "("; 332 VisitStringLiteral(Node->getAsmString()); 333 334 // Outputs 335 if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 || 336 Node->getNumClobbers() != 0) 337 OS << " : "; 338 339 for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) { 340 if (i != 0) 341 OS << ", "; 342 343 if (!Node->getOutputName(i).empty()) { 344 OS << '['; 345 OS << Node->getOutputName(i); 346 OS << "] "; 347 } 348 349 VisitStringLiteral(Node->getOutputConstraintLiteral(i)); 350 OS << " "; 351 Visit(Node->getOutputExpr(i)); 352 } 353 354 // Inputs 355 if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0) 356 OS << " : "; 357 358 for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) { 359 if (i != 0) 360 OS << ", "; 361 362 if (!Node->getInputName(i).empty()) { 363 OS << '['; 364 OS << Node->getInputName(i); 365 OS << "] "; 366 } 367 368 VisitStringLiteral(Node->getInputConstraintLiteral(i)); 369 OS << " "; 370 Visit(Node->getInputExpr(i)); 371 } 372 373 // Clobbers 374 if (Node->getNumClobbers() != 0) 375 OS << " : "; 376 377 for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) { 378 if (i != 0) 379 OS << ", "; 380 381 VisitStringLiteral(Node->getClobber(i)); 382 } 383 384 OS << ");\n"; 385} 386 387void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) { 388 Indent() << "@try"; 389 if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) { 390 PrintRawCompoundStmt(TS); 391 OS << "\n"; 392 } 393 394 for (unsigned I = 0, N = Node->getNumCatchStmts(); I != N; ++I) { 395 ObjCAtCatchStmt *catchStmt = Node->getCatchStmt(I); 396 Indent() << "@catch("; 397 if (catchStmt->getCatchParamDecl()) { 398 if (Decl *DS = catchStmt->getCatchParamDecl()) 399 PrintRawDecl(DS); 400 } 401 OS << ")"; 402 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) { 403 PrintRawCompoundStmt(CS); 404 OS << "\n"; 405 } 406 } 407 408 if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>( 409 Node->getFinallyStmt())) { 410 Indent() << "@finally"; 411 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody())); 412 OS << "\n"; 413 } 414} 415 416void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) { 417} 418 419void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) { 420 Indent() << "@catch (...) { /* todo */ } \n"; 421} 422 423void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) { 424 Indent() << "@throw"; 425 if (Node->getThrowExpr()) { 426 OS << " "; 427 PrintExpr(Node->getThrowExpr()); 428 } 429 OS << ";\n"; 430} 431 432void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) { 433 Indent() << "@synchronized ("; 434 PrintExpr(Node->getSynchExpr()); 435 OS << ")"; 436 PrintRawCompoundStmt(Node->getSynchBody()); 437 OS << "\n"; 438} 439 440void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) { 441 OS << "catch ("; 442 if (Decl *ExDecl = Node->getExceptionDecl()) 443 PrintRawDecl(ExDecl); 444 else 445 OS << "..."; 446 OS << ") "; 447 PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock())); 448} 449 450void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) { 451 Indent(); 452 PrintRawCXXCatchStmt(Node); 453 OS << "\n"; 454} 455 456void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) { 457 Indent() << "try "; 458 PrintRawCompoundStmt(Node->getTryBlock()); 459 for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) { 460 OS << " "; 461 PrintRawCXXCatchStmt(Node->getHandler(i)); 462 } 463 OS << "\n"; 464} 465 466//===----------------------------------------------------------------------===// 467// Expr printing methods. 468//===----------------------------------------------------------------------===// 469 470void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) { 471 if (NestedNameSpecifier *Qualifier = Node->getQualifier()) 472 Qualifier->print(OS, Policy); 473 OS << Node->getNameInfo(); 474 if (Node->hasExplicitTemplateArgs()) 475 OS << TemplateSpecializationType::PrintTemplateArgumentList( 476 Node->getTemplateArgs(), 477 Node->getNumTemplateArgs(), 478 Policy); 479} 480 481void StmtPrinter::VisitDependentScopeDeclRefExpr( 482 DependentScopeDeclRefExpr *Node) { 483 Node->getQualifier()->print(OS, Policy); 484 OS << Node->getNameInfo(); 485 if (Node->hasExplicitTemplateArgs()) 486 OS << TemplateSpecializationType::PrintTemplateArgumentList( 487 Node->getTemplateArgs(), 488 Node->getNumTemplateArgs(), 489 Policy); 490} 491 492void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) { 493 if (Node->getQualifier()) 494 Node->getQualifier()->print(OS, Policy); 495 OS << Node->getNameInfo(); 496 if (Node->hasExplicitTemplateArgs()) 497 OS << TemplateSpecializationType::PrintTemplateArgumentList( 498 Node->getTemplateArgs(), 499 Node->getNumTemplateArgs(), 500 Policy); 501} 502 503void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) { 504 if (Node->getBase()) { 505 PrintExpr(Node->getBase()); 506 OS << (Node->isArrow() ? "->" : "."); 507 } 508 OS << Node->getDecl(); 509} 510 511void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) { 512 if (Node->getBase()) { 513 PrintExpr(Node->getBase()); 514 OS << "."; 515 } 516 OS << Node->getProperty()->getName(); 517} 518 519void StmtPrinter::VisitObjCImplicitSetterGetterRefExpr( 520 ObjCImplicitSetterGetterRefExpr *Node) { 521 if (Node->getBase()) { 522 PrintExpr(Node->getBase()); 523 OS << "."; 524 } 525 if (Node->getGetterMethod()) 526 OS << Node->getGetterMethod(); 527 528} 529 530void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) { 531 switch (Node->getIdentType()) { 532 default: 533 assert(0 && "unknown case"); 534 case PredefinedExpr::Func: 535 OS << "__func__"; 536 break; 537 case PredefinedExpr::Function: 538 OS << "__FUNCTION__"; 539 break; 540 case PredefinedExpr::PrettyFunction: 541 OS << "__PRETTY_FUNCTION__"; 542 break; 543 } 544} 545 546void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) { 547 unsigned value = Node->getValue(); 548 if (Node->isWide()) 549 OS << "L"; 550 switch (value) { 551 case '\\': 552 OS << "'\\\\'"; 553 break; 554 case '\'': 555 OS << "'\\''"; 556 break; 557 case '\a': 558 // TODO: K&R: the meaning of '\\a' is different in traditional C 559 OS << "'\\a'"; 560 break; 561 case '\b': 562 OS << "'\\b'"; 563 break; 564 // Nonstandard escape sequence. 565 /*case '\e': 566 OS << "'\\e'"; 567 break;*/ 568 case '\f': 569 OS << "'\\f'"; 570 break; 571 case '\n': 572 OS << "'\\n'"; 573 break; 574 case '\r': 575 OS << "'\\r'"; 576 break; 577 case '\t': 578 OS << "'\\t'"; 579 break; 580 case '\v': 581 OS << "'\\v'"; 582 break; 583 default: 584 if (value < 256 && isprint(value)) { 585 OS << "'" << (char)value << "'"; 586 } else if (value < 256) { 587 OS << "'\\x" << llvm::format("%x", value) << "'"; 588 } else { 589 // FIXME what to really do here? 590 OS << value; 591 } 592 } 593} 594 595void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) { 596 bool isSigned = Node->getType()->isSignedIntegerType(); 597 OS << Node->getValue().toString(10, isSigned); 598 599 // Emit suffixes. Integer literals are always a builtin integer type. 600 switch (Node->getType()->getAs<BuiltinType>()->getKind()) { 601 default: assert(0 && "Unexpected type for integer literal!"); 602 case BuiltinType::Int: break; // no suffix. 603 case BuiltinType::UInt: OS << 'U'; break; 604 case BuiltinType::Long: OS << 'L'; break; 605 case BuiltinType::ULong: OS << "UL"; break; 606 case BuiltinType::LongLong: OS << "LL"; break; 607 case BuiltinType::ULongLong: OS << "ULL"; break; 608 } 609} 610void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) { 611 // FIXME: print value more precisely. 612 OS << Node->getValueAsApproximateDouble(); 613} 614 615void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) { 616 PrintExpr(Node->getSubExpr()); 617 OS << "i"; 618} 619 620void StmtPrinter::VisitStringLiteral(StringLiteral *Str) { 621 if (Str->isWide()) OS << 'L'; 622 OS << '"'; 623 624 // FIXME: this doesn't print wstrings right. 625 llvm::StringRef StrData = Str->getString(); 626 for (llvm::StringRef::iterator I = StrData.begin(), E = StrData.end(); 627 I != E; ++I) { 628 unsigned char Char = *I; 629 630 switch (Char) { 631 default: 632 if (isprint(Char)) 633 OS << (char)Char; 634 else // Output anything hard as an octal escape. 635 OS << '\\' 636 << (char)('0'+ ((Char >> 6) & 7)) 637 << (char)('0'+ ((Char >> 3) & 7)) 638 << (char)('0'+ ((Char >> 0) & 7)); 639 break; 640 // Handle some common non-printable cases to make dumps prettier. 641 case '\\': OS << "\\\\"; break; 642 case '"': OS << "\\\""; break; 643 case '\n': OS << "\\n"; break; 644 case '\t': OS << "\\t"; break; 645 case '\a': OS << "\\a"; break; 646 case '\b': OS << "\\b"; break; 647 } 648 } 649 OS << '"'; 650} 651void StmtPrinter::VisitParenExpr(ParenExpr *Node) { 652 OS << "("; 653 PrintExpr(Node->getSubExpr()); 654 OS << ")"; 655} 656void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) { 657 if (!Node->isPostfix()) { 658 OS << UnaryOperator::getOpcodeStr(Node->getOpcode()); 659 660 // Print a space if this is an "identifier operator" like __real, or if 661 // it might be concatenated incorrectly like '+'. 662 switch (Node->getOpcode()) { 663 default: break; 664 case UO_Real: 665 case UO_Imag: 666 case UO_Extension: 667 OS << ' '; 668 break; 669 case UO_Plus: 670 case UO_Minus: 671 if (isa<UnaryOperator>(Node->getSubExpr())) 672 OS << ' '; 673 break; 674 } 675 } 676 PrintExpr(Node->getSubExpr()); 677 678 if (Node->isPostfix()) 679 OS << UnaryOperator::getOpcodeStr(Node->getOpcode()); 680} 681 682void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) { 683 OS << "__builtin_offsetof("; 684 OS << Node->getTypeSourceInfo()->getType().getAsString(Policy) << ", "; 685 bool PrintedSomething = false; 686 for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) { 687 OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i); 688 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) { 689 // Array node 690 OS << "["; 691 PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex())); 692 OS << "]"; 693 PrintedSomething = true; 694 continue; 695 } 696 697 // Skip implicit base indirections. 698 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base) 699 continue; 700 701 // Field or identifier node. 702 IdentifierInfo *Id = ON.getFieldName(); 703 if (!Id) 704 continue; 705 706 if (PrintedSomething) 707 OS << "."; 708 else 709 PrintedSomething = true; 710 OS << Id->getName(); 711 } 712 OS << ")"; 713} 714 715void StmtPrinter::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *Node) { 716 OS << (Node->isSizeOf() ? "sizeof" : "__alignof"); 717 if (Node->isArgumentType()) 718 OS << "(" << Node->getArgumentType().getAsString(Policy) << ")"; 719 else { 720 OS << " "; 721 PrintExpr(Node->getArgumentExpr()); 722 } 723} 724void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) { 725 PrintExpr(Node->getLHS()); 726 OS << "["; 727 PrintExpr(Node->getRHS()); 728 OS << "]"; 729} 730 731void StmtPrinter::VisitCallExpr(CallExpr *Call) { 732 PrintExpr(Call->getCallee()); 733 OS << "("; 734 for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) { 735 if (isa<CXXDefaultArgExpr>(Call->getArg(i))) { 736 // Don't print any defaulted arguments 737 break; 738 } 739 740 if (i) OS << ", "; 741 PrintExpr(Call->getArg(i)); 742 } 743 OS << ")"; 744} 745void StmtPrinter::VisitMemberExpr(MemberExpr *Node) { 746 // FIXME: Suppress printing implicit bases (like "this") 747 PrintExpr(Node->getBase()); 748 if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl())) 749 if (FD->isAnonymousStructOrUnion()) 750 return; 751 OS << (Node->isArrow() ? "->" : "."); 752 if (NestedNameSpecifier *Qualifier = Node->getQualifier()) 753 Qualifier->print(OS, Policy); 754 755 OS << Node->getMemberNameInfo(); 756 757 if (Node->hasExplicitTemplateArgs()) 758 OS << TemplateSpecializationType::PrintTemplateArgumentList( 759 Node->getTemplateArgs(), 760 Node->getNumTemplateArgs(), 761 Policy); 762} 763void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) { 764 PrintExpr(Node->getBase()); 765 OS << (Node->isArrow() ? "->isa" : ".isa"); 766} 767 768void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) { 769 PrintExpr(Node->getBase()); 770 OS << "."; 771 OS << Node->getAccessor().getName(); 772} 773void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) { 774 OS << "(" << Node->getType().getAsString(Policy) << ")"; 775 PrintExpr(Node->getSubExpr()); 776} 777void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) { 778 OS << "(" << Node->getType().getAsString(Policy) << ")"; 779 PrintExpr(Node->getInitializer()); 780} 781void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) { 782 // No need to print anything, simply forward to the sub expression. 783 PrintExpr(Node->getSubExpr()); 784} 785void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) { 786 PrintExpr(Node->getLHS()); 787 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " "; 788 PrintExpr(Node->getRHS()); 789} 790void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) { 791 PrintExpr(Node->getLHS()); 792 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " "; 793 PrintExpr(Node->getRHS()); 794} 795void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) { 796 PrintExpr(Node->getCond()); 797 798 if (Node->getLHS()) { 799 OS << " ? "; 800 PrintExpr(Node->getLHS()); 801 OS << " : "; 802 } 803 else { // Handle GCC extension where LHS can be NULL. 804 OS << " ?: "; 805 } 806 807 PrintExpr(Node->getRHS()); 808} 809 810// GNU extensions. 811 812void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) { 813 OS << "&&" << Node->getLabel()->getName(); 814} 815 816void StmtPrinter::VisitStmtExpr(StmtExpr *E) { 817 OS << "("; 818 PrintRawCompoundStmt(E->getSubStmt()); 819 OS << ")"; 820} 821 822void StmtPrinter::VisitTypesCompatibleExpr(TypesCompatibleExpr *Node) { 823 OS << "__builtin_types_compatible_p("; 824 OS << Node->getArgType1().getAsString(Policy) << ","; 825 OS << Node->getArgType2().getAsString(Policy) << ")"; 826} 827 828void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) { 829 OS << "__builtin_choose_expr("; 830 PrintExpr(Node->getCond()); 831 OS << ", "; 832 PrintExpr(Node->getLHS()); 833 OS << ", "; 834 PrintExpr(Node->getRHS()); 835 OS << ")"; 836} 837 838void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) { 839 OS << "__null"; 840} 841 842void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) { 843 OS << "__builtin_shufflevector("; 844 for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) { 845 if (i) OS << ", "; 846 PrintExpr(Node->getExpr(i)); 847 } 848 OS << ")"; 849} 850 851void StmtPrinter::VisitInitListExpr(InitListExpr* Node) { 852 if (Node->getSyntacticForm()) { 853 Visit(Node->getSyntacticForm()); 854 return; 855 } 856 857 OS << "{ "; 858 for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) { 859 if (i) OS << ", "; 860 if (Node->getInit(i)) 861 PrintExpr(Node->getInit(i)); 862 else 863 OS << "0"; 864 } 865 OS << " }"; 866} 867 868void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) { 869 OS << "( "; 870 for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) { 871 if (i) OS << ", "; 872 PrintExpr(Node->getExpr(i)); 873 } 874 OS << " )"; 875} 876 877void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) { 878 for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(), 879 DEnd = Node->designators_end(); 880 D != DEnd; ++D) { 881 if (D->isFieldDesignator()) { 882 if (D->getDotLoc().isInvalid()) 883 OS << D->getFieldName()->getName() << ":"; 884 else 885 OS << "." << D->getFieldName()->getName(); 886 } else { 887 OS << "["; 888 if (D->isArrayDesignator()) { 889 PrintExpr(Node->getArrayIndex(*D)); 890 } else { 891 PrintExpr(Node->getArrayRangeStart(*D)); 892 OS << " ... "; 893 PrintExpr(Node->getArrayRangeEnd(*D)); 894 } 895 OS << "]"; 896 } 897 } 898 899 OS << " = "; 900 PrintExpr(Node->getInit()); 901} 902 903void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) { 904 if (Policy.LangOpts.CPlusPlus) 905 OS << "/*implicit*/" << Node->getType().getAsString(Policy) << "()"; 906 else { 907 OS << "/*implicit*/(" << Node->getType().getAsString(Policy) << ")"; 908 if (Node->getType()->isRecordType()) 909 OS << "{}"; 910 else 911 OS << 0; 912 } 913} 914 915void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) { 916 OS << "__builtin_va_arg("; 917 PrintExpr(Node->getSubExpr()); 918 OS << ", "; 919 OS << Node->getType().getAsString(Policy); 920 OS << ")"; 921} 922 923// C++ 924void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) { 925 const char *OpStrings[NUM_OVERLOADED_OPERATORS] = { 926 "", 927#define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ 928 Spelling, 929#include "clang/Basic/OperatorKinds.def" 930 }; 931 932 OverloadedOperatorKind Kind = Node->getOperator(); 933 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) { 934 if (Node->getNumArgs() == 1) { 935 OS << OpStrings[Kind] << ' '; 936 PrintExpr(Node->getArg(0)); 937 } else { 938 PrintExpr(Node->getArg(0)); 939 OS << ' ' << OpStrings[Kind]; 940 } 941 } else if (Kind == OO_Call) { 942 PrintExpr(Node->getArg(0)); 943 OS << '('; 944 for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) { 945 if (ArgIdx > 1) 946 OS << ", "; 947 if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx))) 948 PrintExpr(Node->getArg(ArgIdx)); 949 } 950 OS << ')'; 951 } else if (Kind == OO_Subscript) { 952 PrintExpr(Node->getArg(0)); 953 OS << '['; 954 PrintExpr(Node->getArg(1)); 955 OS << ']'; 956 } else if (Node->getNumArgs() == 1) { 957 OS << OpStrings[Kind] << ' '; 958 PrintExpr(Node->getArg(0)); 959 } else if (Node->getNumArgs() == 2) { 960 PrintExpr(Node->getArg(0)); 961 OS << ' ' << OpStrings[Kind] << ' '; 962 PrintExpr(Node->getArg(1)); 963 } else { 964 assert(false && "unknown overloaded operator"); 965 } 966} 967 968void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) { 969 VisitCallExpr(cast<CallExpr>(Node)); 970} 971 972void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) { 973 OS << Node->getCastName() << '<'; 974 OS << Node->getTypeAsWritten().getAsString(Policy) << ">("; 975 PrintExpr(Node->getSubExpr()); 976 OS << ")"; 977} 978 979void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) { 980 VisitCXXNamedCastExpr(Node); 981} 982 983void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) { 984 VisitCXXNamedCastExpr(Node); 985} 986 987void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) { 988 VisitCXXNamedCastExpr(Node); 989} 990 991void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) { 992 VisitCXXNamedCastExpr(Node); 993} 994 995void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) { 996 OS << "typeid("; 997 if (Node->isTypeOperand()) { 998 OS << Node->getTypeOperand().getAsString(Policy); 999 } else { 1000 PrintExpr(Node->getExprOperand()); 1001 } 1002 OS << ")"; 1003} 1004 1005void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) { 1006 OS << "__uuidof("; 1007 if (Node->isTypeOperand()) { 1008 OS << Node->getTypeOperand().getAsString(Policy); 1009 } else { 1010 PrintExpr(Node->getExprOperand()); 1011 } 1012 OS << ")"; 1013} 1014 1015void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) { 1016 OS << (Node->getValue() ? "true" : "false"); 1017} 1018 1019void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) { 1020 OS << "nullptr"; 1021} 1022 1023void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) { 1024 OS << "this"; 1025} 1026 1027void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) { 1028 if (Node->getSubExpr() == 0) 1029 OS << "throw"; 1030 else { 1031 OS << "throw "; 1032 PrintExpr(Node->getSubExpr()); 1033 } 1034} 1035 1036void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) { 1037 // Nothing to print: we picked up the default argument 1038} 1039 1040void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) { 1041 OS << Node->getType().getAsString(Policy); 1042 OS << "("; 1043 PrintExpr(Node->getSubExpr()); 1044 OS << ")"; 1045} 1046 1047void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) { 1048 PrintExpr(Node->getSubExpr()); 1049} 1050 1051void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) { 1052 OS << Node->getType().getAsString(Policy); 1053 OS << "("; 1054 for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(), 1055 ArgEnd = Node->arg_end(); 1056 Arg != ArgEnd; ++Arg) { 1057 if (Arg != Node->arg_begin()) 1058 OS << ", "; 1059 PrintExpr(*Arg); 1060 } 1061 OS << ")"; 1062} 1063 1064void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) { 1065 if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo()) 1066 OS << TSInfo->getType().getAsString(Policy) << "()"; 1067 else 1068 OS << Node->getType().getAsString(Policy) << "()"; 1069} 1070 1071void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) { 1072 if (E->isGlobalNew()) 1073 OS << "::"; 1074 OS << "new "; 1075 unsigned NumPlace = E->getNumPlacementArgs(); 1076 if (NumPlace > 0) { 1077 OS << "("; 1078 PrintExpr(E->getPlacementArg(0)); 1079 for (unsigned i = 1; i < NumPlace; ++i) { 1080 OS << ", "; 1081 PrintExpr(E->getPlacementArg(i)); 1082 } 1083 OS << ") "; 1084 } 1085 if (E->isParenTypeId()) 1086 OS << "("; 1087 std::string TypeS; 1088 if (Expr *Size = E->getArraySize()) { 1089 llvm::raw_string_ostream s(TypeS); 1090 Size->printPretty(s, Context, Helper, Policy); 1091 s.flush(); 1092 TypeS = "[" + TypeS + "]"; 1093 } 1094 E->getAllocatedType().getAsStringInternal(TypeS, Policy); 1095 OS << TypeS; 1096 if (E->isParenTypeId()) 1097 OS << ")"; 1098 1099 if (E->hasInitializer()) { 1100 OS << "("; 1101 unsigned NumCons = E->getNumConstructorArgs(); 1102 if (NumCons > 0) { 1103 PrintExpr(E->getConstructorArg(0)); 1104 for (unsigned i = 1; i < NumCons; ++i) { 1105 OS << ", "; 1106 PrintExpr(E->getConstructorArg(i)); 1107 } 1108 } 1109 OS << ")"; 1110 } 1111} 1112 1113void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1114 if (E->isGlobalDelete()) 1115 OS << "::"; 1116 OS << "delete "; 1117 if (E->isArrayForm()) 1118 OS << "[] "; 1119 PrintExpr(E->getArgument()); 1120} 1121 1122void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1123 PrintExpr(E->getBase()); 1124 if (E->isArrow()) 1125 OS << "->"; 1126 else 1127 OS << '.'; 1128 if (E->getQualifier()) 1129 E->getQualifier()->print(OS, Policy); 1130 1131 std::string TypeS; 1132 if (IdentifierInfo *II = E->getDestroyedTypeIdentifier()) 1133 OS << II->getName(); 1134 else 1135 E->getDestroyedType().getAsStringInternal(TypeS, Policy); 1136 OS << TypeS; 1137} 1138 1139void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) { 1140 // FIXME. For now we just print a trivial constructor call expression, 1141 // constructing its first argument object. 1142 if (E->getNumArgs() == 1) { 1143 CXXConstructorDecl *CD = E->getConstructor(); 1144 if (CD->isTrivial()) 1145 PrintExpr(E->getArg(0)); 1146 } 1147 // Nothing to print. 1148} 1149 1150void StmtPrinter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) { 1151 // Just forward to the sub expression. 1152 PrintExpr(E->getSubExpr()); 1153} 1154 1155void 1156StmtPrinter::VisitCXXUnresolvedConstructExpr( 1157 CXXUnresolvedConstructExpr *Node) { 1158 OS << Node->getTypeAsWritten().getAsString(Policy); 1159 OS << "("; 1160 for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(), 1161 ArgEnd = Node->arg_end(); 1162 Arg != ArgEnd; ++Arg) { 1163 if (Arg != Node->arg_begin()) 1164 OS << ", "; 1165 PrintExpr(*Arg); 1166 } 1167 OS << ")"; 1168} 1169 1170void StmtPrinter::VisitCXXDependentScopeMemberExpr( 1171 CXXDependentScopeMemberExpr *Node) { 1172 if (!Node->isImplicitAccess()) { 1173 PrintExpr(Node->getBase()); 1174 OS << (Node->isArrow() ? "->" : "."); 1175 } 1176 if (NestedNameSpecifier *Qualifier = Node->getQualifier()) 1177 Qualifier->print(OS, Policy); 1178 else if (Node->hasExplicitTemplateArgs()) 1179 // FIXME: Track use of "template" keyword explicitly? 1180 OS << "template "; 1181 1182 OS << Node->getMemberNameInfo(); 1183 1184 if (Node->hasExplicitTemplateArgs()) { 1185 OS << TemplateSpecializationType::PrintTemplateArgumentList( 1186 Node->getTemplateArgs(), 1187 Node->getNumTemplateArgs(), 1188 Policy); 1189 } 1190} 1191 1192void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) { 1193 if (!Node->isImplicitAccess()) { 1194 PrintExpr(Node->getBase()); 1195 OS << (Node->isArrow() ? "->" : "."); 1196 } 1197 if (NestedNameSpecifier *Qualifier = Node->getQualifier()) 1198 Qualifier->print(OS, Policy); 1199 1200 // FIXME: this might originally have been written with 'template' 1201 1202 OS << Node->getMemberNameInfo(); 1203 1204 if (Node->hasExplicitTemplateArgs()) { 1205 OS << TemplateSpecializationType::PrintTemplateArgumentList( 1206 Node->getTemplateArgs(), 1207 Node->getNumTemplateArgs(), 1208 Policy); 1209 } 1210} 1211 1212static const char *getTypeTraitName(UnaryTypeTrait UTT) { 1213 switch (UTT) { 1214 default: assert(false && "Unknown type trait"); 1215 case UTT_HasNothrowAssign: return "__has_nothrow_assign"; 1216 case UTT_HasNothrowCopy: return "__has_nothrow_copy"; 1217 case UTT_HasNothrowConstructor: return "__has_nothrow_constructor"; 1218 case UTT_HasTrivialAssign: return "__has_trivial_assign"; 1219 case UTT_HasTrivialCopy: return "__has_trivial_copy"; 1220 case UTT_HasTrivialConstructor: return "__has_trivial_constructor"; 1221 case UTT_HasTrivialDestructor: return "__has_trivial_destructor"; 1222 case UTT_HasVirtualDestructor: return "__has_virtual_destructor"; 1223 case UTT_IsAbstract: return "__is_abstract"; 1224 case UTT_IsClass: return "__is_class"; 1225 case UTT_IsEmpty: return "__is_empty"; 1226 case UTT_IsEnum: return "__is_enum"; 1227 case UTT_IsPOD: return "__is_pod"; 1228 case UTT_IsPolymorphic: return "__is_polymorphic"; 1229 case UTT_IsUnion: return "__is_union"; 1230 } 1231} 1232 1233void StmtPrinter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1234 OS << getTypeTraitName(E->getTrait()) << "(" 1235 << E->getQueriedType().getAsString(Policy) << ")"; 1236} 1237 1238// Obj-C 1239 1240void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) { 1241 OS << "@"; 1242 VisitStringLiteral(Node->getString()); 1243} 1244 1245void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) { 1246 OS << "@encode(" << Node->getEncodedType().getAsString(Policy) << ')'; 1247} 1248 1249void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) { 1250 OS << "@selector(" << Node->getSelector().getAsString() << ')'; 1251} 1252 1253void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) { 1254 OS << "@protocol(" << Node->getProtocol() << ')'; 1255} 1256 1257void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) { 1258 OS << "["; 1259 switch (Mess->getReceiverKind()) { 1260 case ObjCMessageExpr::Instance: 1261 PrintExpr(Mess->getInstanceReceiver()); 1262 break; 1263 1264 case ObjCMessageExpr::Class: 1265 OS << Mess->getClassReceiver().getAsString(Policy); 1266 break; 1267 1268 case ObjCMessageExpr::SuperInstance: 1269 case ObjCMessageExpr::SuperClass: 1270 OS << "Super"; 1271 break; 1272 } 1273 1274 OS << ' '; 1275 Selector selector = Mess->getSelector(); 1276 if (selector.isUnarySelector()) { 1277 OS << selector.getIdentifierInfoForSlot(0)->getName(); 1278 } else { 1279 for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) { 1280 if (i < selector.getNumArgs()) { 1281 if (i > 0) OS << ' '; 1282 if (selector.getIdentifierInfoForSlot(i)) 1283 OS << selector.getIdentifierInfoForSlot(i)->getName() << ':'; 1284 else 1285 OS << ":"; 1286 } 1287 else OS << ", "; // Handle variadic methods. 1288 1289 PrintExpr(Mess->getArg(i)); 1290 } 1291 } 1292 OS << "]"; 1293} 1294 1295void StmtPrinter::VisitObjCSuperExpr(ObjCSuperExpr *) { 1296 OS << "super"; 1297} 1298 1299void StmtPrinter::VisitBlockExpr(BlockExpr *Node) { 1300 BlockDecl *BD = Node->getBlockDecl(); 1301 OS << "^"; 1302 1303 const FunctionType *AFT = Node->getFunctionType(); 1304 1305 if (isa<FunctionNoProtoType>(AFT)) { 1306 OS << "()"; 1307 } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) { 1308 OS << '('; 1309 std::string ParamStr; 1310 for (BlockDecl::param_iterator AI = BD->param_begin(), 1311 E = BD->param_end(); AI != E; ++AI) { 1312 if (AI != BD->param_begin()) OS << ", "; 1313 ParamStr = (*AI)->getNameAsString(); 1314 (*AI)->getType().getAsStringInternal(ParamStr, Policy); 1315 OS << ParamStr; 1316 } 1317 1318 const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 1319 if (FT->isVariadic()) { 1320 if (!BD->param_empty()) OS << ", "; 1321 OS << "..."; 1322 } 1323 OS << ')'; 1324 } 1325} 1326 1327void StmtPrinter::VisitBlockDeclRefExpr(BlockDeclRefExpr *Node) { 1328 OS << Node->getDecl(); 1329} 1330//===----------------------------------------------------------------------===// 1331// Stmt method implementations 1332//===----------------------------------------------------------------------===// 1333 1334void Stmt::dumpPretty(ASTContext& Context) const { 1335 printPretty(llvm::errs(), Context, 0, 1336 PrintingPolicy(Context.getLangOptions())); 1337} 1338 1339void Stmt::printPretty(llvm::raw_ostream &OS, ASTContext& Context, 1340 PrinterHelper* Helper, 1341 const PrintingPolicy &Policy, 1342 unsigned Indentation) const { 1343 if (this == 0) { 1344 OS << "<NULL>"; 1345 return; 1346 } 1347 1348 if (Policy.Dump && &Context) { 1349 dump(OS, Context.getSourceManager()); 1350 return; 1351 } 1352 1353 StmtPrinter P(OS, Context, Helper, Policy, Indentation); 1354 P.Visit(const_cast<Stmt*>(this)); 1355} 1356 1357//===----------------------------------------------------------------------===// 1358// PrinterHelper 1359//===----------------------------------------------------------------------===// 1360 1361// Implement virtual destructor. 1362PrinterHelper::~PrinterHelper() {} 1363