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llvm-project/clang/lib/AST/StmtPrinter.cpp

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//===- StmtPrinter.cpp - Printing implementation for Stmt ASTs ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements the Stmt::dumpPretty/Stmt::printPretty methods, which
// pretty print the AST back out to C code.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclOpenMP.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/ExprOpenMP.h"
#include "clang/AST/NestedNameSpecifier.h"
#include "clang/AST/OpenMPClause.h"
#include "clang/AST/PrettyPrinter.h"
#include "clang/AST/Stmt.h"
#include "clang/AST/StmtCXX.h"
#include "clang/AST/StmtObjC.h"
#include "clang/AST/StmtOpenMP.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/AST/TemplateBase.h"
#include "clang/AST/Type.h"
#include "clang/Basic/CharInfo.h"
#include "clang/Basic/ExpressionTraits.h"
#include "clang/Basic/IdentifierTable.h"
#include "clang/Basic/JsonSupport.h"
#include "clang/Basic/LLVM.h"
#include "clang/Basic/Lambda.h"
#include "clang/Basic/OpenMPKinds.h"
#include "clang/Basic/OperatorKinds.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/TypeTraits.h"
#include "clang/Lex/Lexer.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <string>
using namespace clang;
//===----------------------------------------------------------------------===//
// StmtPrinter Visitor
//===----------------------------------------------------------------------===//
namespace {
class StmtPrinter : public StmtVisitor<StmtPrinter> {
raw_ostream &OS;
unsigned IndentLevel;
PrinterHelper* Helper;
PrintingPolicy Policy;
std::string NL;
const ASTContext *Context;
public:
StmtPrinter(raw_ostream &os, PrinterHelper *helper,
const PrintingPolicy &Policy, unsigned Indentation = 0,
StringRef NL = "\n", const ASTContext *Context = nullptr)
: OS(os), IndentLevel(Indentation), Helper(helper), Policy(Policy),
NL(NL), Context(Context) {}
void PrintStmt(Stmt *S) { PrintStmt(S, Policy.Indentation); }
void PrintStmt(Stmt *S, int SubIndent) {
IndentLevel += SubIndent;
if (S && isa<Expr>(S)) {
// If this is an expr used in a stmt context, indent and newline it.
Indent();
Visit(S);
OS << ";" << NL;
} else if (S) {
Visit(S);
} else {
Indent() << "<<<NULL STATEMENT>>>" << NL;
}
IndentLevel -= SubIndent;
}
void PrintInitStmt(Stmt *S, unsigned PrefixWidth) {
// FIXME: Cope better with odd prefix widths.
IndentLevel += (PrefixWidth + 1) / 2;
if (auto *DS = dyn_cast<DeclStmt>(S))
PrintRawDeclStmt(DS);
else
PrintExpr(cast<Expr>(S));
OS << "; ";
IndentLevel -= (PrefixWidth + 1) / 2;
}
void PrintControlledStmt(Stmt *S) {
if (auto *CS = dyn_cast<CompoundStmt>(S)) {
OS << " ";
PrintRawCompoundStmt(CS);
OS << NL;
} else {
OS << NL;
PrintStmt(S);
}
}
void PrintRawCompoundStmt(CompoundStmt *S);
void PrintRawDecl(Decl *D);
void PrintRawDeclStmt(const DeclStmt *S);
void PrintRawIfStmt(IfStmt *If);
void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
void PrintCallArgs(CallExpr *E);
void PrintRawSEHExceptHandler(SEHExceptStmt *S);
void PrintRawSEHFinallyStmt(SEHFinallyStmt *S);
void PrintOMPExecutableDirective(OMPExecutableDirective *S,
bool ForceNoStmt = false);
void PrintExpr(Expr *E) {
if (E)
Visit(E);
else
OS << "<null expr>";
}
raw_ostream &Indent(int Delta = 0) {
for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
OS << " ";
return OS;
}
void Visit(Stmt* S) {
if (Helper && Helper->handledStmt(S,OS))
return;
else StmtVisitor<StmtPrinter>::Visit(S);
}
void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
Indent() << "<<unknown stmt type>>" << NL;
}
void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
OS << "<<unknown expr type>>";
}
void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
#define ABSTRACT_STMT(CLASS)
#define STMT(CLASS, PARENT) \
void Visit##CLASS(CLASS *Node);
#include "clang/AST/StmtNodes.inc"
};
} // namespace
//===----------------------------------------------------------------------===//
// Stmt printing methods.
//===----------------------------------------------------------------------===//
/// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
/// with no newline after the }.
void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
OS << "{" << NL;
for (auto *I : Node->body())
PrintStmt(I);
Indent() << "}";
}
void StmtPrinter::PrintRawDecl(Decl *D) {
D->print(OS, Policy, IndentLevel);
}
void StmtPrinter::PrintRawDeclStmt(const DeclStmt *S) {
SmallVector<Decl *, 2> Decls(S->decls());
Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
}
void StmtPrinter::VisitNullStmt(NullStmt *Node) {
Indent() << ";" << NL;
}
void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
Indent();
PrintRawDeclStmt(Node);
OS << ";" << NL;
}
void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
Indent();
PrintRawCompoundStmt(Node);
OS << "" << NL;
}
void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
Indent(-1) << "case ";
PrintExpr(Node->getLHS());
if (Node->getRHS()) {
OS << " ... ";
PrintExpr(Node->getRHS());
}
OS << ":" << NL;
PrintStmt(Node->getSubStmt(), 0);
}
void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
Indent(-1) << "default:" << NL;
PrintStmt(Node->getSubStmt(), 0);
}
void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
Indent(-1) << Node->getName() << ":" << NL;
PrintStmt(Node->getSubStmt(), 0);
}
void StmtPrinter::VisitAttributedStmt(AttributedStmt *Node) {
for (const auto *Attr : Node->getAttrs()) {
Attr->printPretty(OS, Policy);
}
PrintStmt(Node->getSubStmt(), 0);
}
void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
if (If->isConsteval()) {
OS << "if ";
if (If->isNegatedConsteval())
OS << "!";
OS << "consteval";
OS << NL;
PrintStmt(If->getThen());
if (Stmt *Else = If->getElse()) {
Indent();
OS << "else";
PrintStmt(Else);
OS << NL;
}
return;
}
OS << "if (";
if (If->getInit())
PrintInitStmt(If->getInit(), 4);
if (const DeclStmt *DS = If->getConditionVariableDeclStmt())
PrintRawDeclStmt(DS);
else
PrintExpr(If->getCond());
OS << ')';
if (auto *CS = dyn_cast<CompoundStmt>(If->getThen())) {
OS << ' ';
PrintRawCompoundStmt(CS);
OS << (If->getElse() ? " " : NL);
} else {
OS << NL;
PrintStmt(If->getThen());
if (If->getElse()) Indent();
}
if (Stmt *Else = If->getElse()) {
OS << "else";
if (auto *CS = dyn_cast<CompoundStmt>(Else)) {
OS << ' ';
PrintRawCompoundStmt(CS);
OS << NL;
} else if (auto *ElseIf = dyn_cast<IfStmt>(Else)) {
OS << ' ';
PrintRawIfStmt(ElseIf);
} else {
OS << NL;
PrintStmt(If->getElse());
}
}
}
void StmtPrinter::VisitIfStmt(IfStmt *If) {
Indent();
PrintRawIfStmt(If);
}
void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
Indent() << "switch (";
if (Node->getInit())
PrintInitStmt(Node->getInit(), 8);
if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
PrintRawDeclStmt(DS);
else
PrintExpr(Node->getCond());
OS << ")";
PrintControlledStmt(Node->getBody());
}
void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
Indent() << "while (";
if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
PrintRawDeclStmt(DS);
else
PrintExpr(Node->getCond());
OS << ")" << NL;
PrintStmt(Node->getBody());
}
void StmtPrinter::VisitDoStmt(DoStmt *Node) {
Indent() << "do ";
if (auto *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
PrintRawCompoundStmt(CS);
OS << " ";
} else {
OS << NL;
PrintStmt(Node->getBody());
Indent();
}
OS << "while (";
PrintExpr(Node->getCond());
OS << ");" << NL;
}
void StmtPrinter::VisitForStmt(ForStmt *Node) {
Indent() << "for (";
if (Node->getInit())
PrintInitStmt(Node->getInit(), 5);
else
OS << (Node->getCond() ? "; " : ";");
if (Node->getCond())
PrintExpr(Node->getCond());
OS << ";";
if (Node->getInc()) {
OS << " ";
PrintExpr(Node->getInc());
}
OS << ")";
PrintControlledStmt(Node->getBody());
}
void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
Indent() << "for (";
if (auto *DS = dyn_cast<DeclStmt>(Node->getElement()))
PrintRawDeclStmt(DS);
else
PrintExpr(cast<Expr>(Node->getElement()));
OS << " in ";
PrintExpr(Node->getCollection());
OS << ")";
PrintControlledStmt(Node->getBody());
}
void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
Indent() << "for (";
if (Node->getInit())
PrintInitStmt(Node->getInit(), 5);
PrintingPolicy SubPolicy(Policy);
SubPolicy.SuppressInitializers = true;
Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
OS << " : ";
PrintExpr(Node->getRangeInit());
OS << ")";
PrintControlledStmt(Node->getBody());
}
void StmtPrinter::VisitMSDependentExistsStmt(MSDependentExistsStmt *Node) {
Indent();
if (Node->isIfExists())
OS << "__if_exists (";
else
OS << "__if_not_exists (";
if (NestedNameSpecifier *Qualifier
= Node->getQualifierLoc().getNestedNameSpecifier())
Qualifier->print(OS, Policy);
OS << Node->getNameInfo() << ") ";
PrintRawCompoundStmt(Node->getSubStmt());
}
void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
Indent() << "goto " << Node->getLabel()->getName() << ";";
if (Policy.IncludeNewlines) OS << NL;
}
void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
Indent() << "goto *";
PrintExpr(Node->getTarget());
OS << ";";
if (Policy.IncludeNewlines) OS << NL;
}
void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
Indent() << "continue;";
if (Policy.IncludeNewlines) OS << NL;
}
void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
Indent() << "break;";
if (Policy.IncludeNewlines) OS << NL;
}
void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
Indent() << "return";
if (Node->getRetValue()) {
OS << " ";
PrintExpr(Node->getRetValue());
}
OS << ";";
if (Policy.IncludeNewlines) OS << NL;
}
void StmtPrinter::VisitGCCAsmStmt(GCCAsmStmt *Node) {
Indent() << "asm ";
if (Node->isVolatile())
OS << "volatile ";
if (Node->isAsmGoto())
OS << "goto ";
OS << "(";
VisitStringLiteral(Node->getAsmString());
// Outputs
if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
Node->getNumClobbers() != 0 || Node->getNumLabels() != 0)
OS << " : ";
for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
if (i != 0)
OS << ", ";
if (!Node->getOutputName(i).empty()) {
OS << '[';
OS << Node->getOutputName(i);
OS << "] ";
}
VisitStringLiteral(Node->getOutputConstraintLiteral(i));
OS << " (";
Visit(Node->getOutputExpr(i));
OS << ")";
}
// Inputs
if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0 ||
Node->getNumLabels() != 0)
OS << " : ";
for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
if (i != 0)
OS << ", ";
if (!Node->getInputName(i).empty()) {
OS << '[';
OS << Node->getInputName(i);
OS << "] ";
}
VisitStringLiteral(Node->getInputConstraintLiteral(i));
OS << " (";
Visit(Node->getInputExpr(i));
OS << ")";
}
// Clobbers
if (Node->getNumClobbers() != 0 || Node->getNumLabels())
OS << " : ";
for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
if (i != 0)
OS << ", ";
VisitStringLiteral(Node->getClobberStringLiteral(i));
}
// Labels
if (Node->getNumLabels() != 0)
OS << " : ";
for (unsigned i = 0, e = Node->getNumLabels(); i != e; ++i) {
if (i != 0)
OS << ", ";
OS << Node->getLabelName(i);
}
OS << ");";
if (Policy.IncludeNewlines) OS << NL;
}
void StmtPrinter::VisitMSAsmStmt(MSAsmStmt *Node) {
// FIXME: Implement MS style inline asm statement printer.
Indent() << "__asm ";
if (Node->hasBraces())
OS << "{" << NL;
OS << Node->getAsmString() << NL;
if (Node->hasBraces())
Indent() << "}" << NL;
}
void StmtPrinter::VisitCapturedStmt(CapturedStmt *Node) {
PrintStmt(Node->getCapturedDecl()->getBody());
}
void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
Indent() << "@try";
if (auto *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
PrintRawCompoundStmt(TS);
OS << NL;
}
for (ObjCAtCatchStmt *catchStmt : Node->catch_stmts()) {
Indent() << "@catch(";
if (Decl *DS = catchStmt->getCatchParamDecl())
PrintRawDecl(DS);
OS << ")";
if (auto *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
PrintRawCompoundStmt(CS);
OS << NL;
}
}
if (auto *FS = static_cast<ObjCAtFinallyStmt *>(Node->getFinallyStmt())) {
Indent() << "@finally";
PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
OS << NL;
}
}
void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
}
void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
Indent() << "@catch (...) { /* todo */ } " << NL;
}
void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
Indent() << "@throw";
if (Node->getThrowExpr()) {
OS << " ";
PrintExpr(Node->getThrowExpr());
}
OS << ";" << NL;
}
void StmtPrinter::VisitObjCAvailabilityCheckExpr(
ObjCAvailabilityCheckExpr *Node) {
OS << "@available(...)";
}
void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
Indent() << "@synchronized (";
PrintExpr(Node->getSynchExpr());
OS << ")";
PrintRawCompoundStmt(Node->getSynchBody());
OS << NL;
}
void StmtPrinter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *Node) {
Indent() << "@autoreleasepool";
PrintRawCompoundStmt(dyn_cast<CompoundStmt>(Node->getSubStmt()));
OS << NL;
}
void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
OS << "catch (";
if (Decl *ExDecl = Node->getExceptionDecl())
PrintRawDecl(ExDecl);
else
OS << "...";
OS << ") ";
PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
}
void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
Indent();
PrintRawCXXCatchStmt(Node);
OS << NL;
}
void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
Indent() << "try ";
PrintRawCompoundStmt(Node->getTryBlock());
for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
OS << " ";
PrintRawCXXCatchStmt(Node->getHandler(i));
}
OS << NL;
}
void StmtPrinter::VisitSEHTryStmt(SEHTryStmt *Node) {
Indent() << (Node->getIsCXXTry() ? "try " : "__try ");
PrintRawCompoundStmt(Node->getTryBlock());
SEHExceptStmt *E = Node->getExceptHandler();
SEHFinallyStmt *F = Node->getFinallyHandler();
if(E)
PrintRawSEHExceptHandler(E);
else {
assert(F && "Must have a finally block...");
PrintRawSEHFinallyStmt(F);
}
OS << NL;
}
void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
OS << "__finally ";
PrintRawCompoundStmt(Node->getBlock());
OS << NL;
}
void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
OS << "__except (";
VisitExpr(Node->getFilterExpr());
OS << ")" << NL;
PrintRawCompoundStmt(Node->getBlock());
OS << NL;
}
void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
Indent();
PrintRawSEHExceptHandler(Node);
OS << NL;
}
void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
Indent();
PrintRawSEHFinallyStmt(Node);
OS << NL;
}
void StmtPrinter::VisitSEHLeaveStmt(SEHLeaveStmt *Node) {
Indent() << "__leave;";
if (Policy.IncludeNewlines) OS << NL;
}
//===----------------------------------------------------------------------===//
// OpenMP directives printing methods
//===----------------------------------------------------------------------===//
void StmtPrinter::VisitOMPCanonicalLoop(OMPCanonicalLoop *Node) {
PrintStmt(Node->getLoopStmt());
}
void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S,
bool ForceNoStmt) {
OMPClausePrinter Printer(OS, Policy);
ArrayRef<OMPClause *> Clauses = S->clauses();
for (auto *Clause : Clauses)
if (Clause && !Clause->isImplicit()) {
OS << ' ';
Printer.Visit(Clause);
}
OS << NL;
if (!ForceNoStmt && S->hasAssociatedStmt())
PrintStmt(S->getRawStmt());
}
void StmtPrinter::VisitOMPMetaDirective(OMPMetaDirective *Node) {
Indent() << "#pragma omp metadirective";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelDirective(OMPParallelDirective *Node) {
Indent() << "#pragma omp parallel";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPSimdDirective(OMPSimdDirective *Node) {
Indent() << "#pragma omp simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTileDirective(OMPTileDirective *Node) {
Indent() << "#pragma omp tile";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPUnrollDirective(OMPUnrollDirective *Node) {
Indent() << "#pragma omp unroll";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPForDirective(OMPForDirective *Node) {
Indent() << "#pragma omp for";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPForSimdDirective(OMPForSimdDirective *Node) {
Indent() << "#pragma omp for simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPSectionsDirective(OMPSectionsDirective *Node) {
Indent() << "#pragma omp sections";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPSectionDirective(OMPSectionDirective *Node) {
Indent() << "#pragma omp section";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPSingleDirective(OMPSingleDirective *Node) {
Indent() << "#pragma omp single";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPMasterDirective(OMPMasterDirective *Node) {
Indent() << "#pragma omp master";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPCriticalDirective(OMPCriticalDirective *Node) {
Indent() << "#pragma omp critical";
if (Node->getDirectiveName().getName()) {
OS << " (";
Node->getDirectiveName().printName(OS, Policy);
OS << ")";
}
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelForDirective(OMPParallelForDirective *Node) {
Indent() << "#pragma omp parallel for";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelForSimdDirective(
OMPParallelForSimdDirective *Node) {
Indent() << "#pragma omp parallel for simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelMasterDirective(
OMPParallelMasterDirective *Node) {
Indent() << "#pragma omp parallel master";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelSectionsDirective(
OMPParallelSectionsDirective *Node) {
Indent() << "#pragma omp parallel sections";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskDirective(OMPTaskDirective *Node) {
Indent() << "#pragma omp task";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *Node) {
Indent() << "#pragma omp taskyield";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPBarrierDirective(OMPBarrierDirective *Node) {
Indent() << "#pragma omp barrier";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *Node) {
Indent() << "#pragma omp taskwait";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskgroupDirective(OMPTaskgroupDirective *Node) {
Indent() << "#pragma omp taskgroup";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPFlushDirective(OMPFlushDirective *Node) {
Indent() << "#pragma omp flush";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPDepobjDirective(OMPDepobjDirective *Node) {
Indent() << "#pragma omp depobj";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPScanDirective(OMPScanDirective *Node) {
Indent() << "#pragma omp scan";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPOrderedDirective(OMPOrderedDirective *Node) {
Indent() << "#pragma omp ordered";
PrintOMPExecutableDirective(Node, Node->hasClausesOfKind<OMPDependClause>());
}
void StmtPrinter::VisitOMPAtomicDirective(OMPAtomicDirective *Node) {
Indent() << "#pragma omp atomic";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetDirective(OMPTargetDirective *Node) {
Indent() << "#pragma omp target";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetDataDirective(OMPTargetDataDirective *Node) {
Indent() << "#pragma omp target data";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetEnterDataDirective(
OMPTargetEnterDataDirective *Node) {
Indent() << "#pragma omp target enter data";
PrintOMPExecutableDirective(Node, /*ForceNoStmt=*/true);
}
void StmtPrinter::VisitOMPTargetExitDataDirective(
OMPTargetExitDataDirective *Node) {
Indent() << "#pragma omp target exit data";
PrintOMPExecutableDirective(Node, /*ForceNoStmt=*/true);
}
void StmtPrinter::VisitOMPTargetParallelDirective(
OMPTargetParallelDirective *Node) {
Indent() << "#pragma omp target parallel";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetParallelForDirective(
OMPTargetParallelForDirective *Node) {
Indent() << "#pragma omp target parallel for";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTeamsDirective(OMPTeamsDirective *Node) {
Indent() << "#pragma omp teams";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPCancellationPointDirective(
OMPCancellationPointDirective *Node) {
Indent() << "#pragma omp cancellation point "
<< getOpenMPDirectiveName(Node->getCancelRegion());
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPCancelDirective(OMPCancelDirective *Node) {
Indent() << "#pragma omp cancel "
<< getOpenMPDirectiveName(Node->getCancelRegion());
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *Node) {
Indent() << "#pragma omp taskloop";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTaskLoopSimdDirective(
OMPTaskLoopSimdDirective *Node) {
Indent() << "#pragma omp taskloop simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPMasterTaskLoopDirective(
OMPMasterTaskLoopDirective *Node) {
Indent() << "#pragma omp master taskloop";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPMasterTaskLoopSimdDirective(
OMPMasterTaskLoopSimdDirective *Node) {
Indent() << "#pragma omp master taskloop simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelMasterTaskLoopDirective(
OMPParallelMasterTaskLoopDirective *Node) {
Indent() << "#pragma omp parallel master taskloop";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPParallelMasterTaskLoopSimdDirective(
OMPParallelMasterTaskLoopSimdDirective *Node) {
Indent() << "#pragma omp parallel master taskloop simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPDistributeDirective(OMPDistributeDirective *Node) {
Indent() << "#pragma omp distribute";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetUpdateDirective(
OMPTargetUpdateDirective *Node) {
Indent() << "#pragma omp target update";
PrintOMPExecutableDirective(Node, /*ForceNoStmt=*/true);
}
void StmtPrinter::VisitOMPDistributeParallelForDirective(
OMPDistributeParallelForDirective *Node) {
Indent() << "#pragma omp distribute parallel for";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPDistributeParallelForSimdDirective(
OMPDistributeParallelForSimdDirective *Node) {
Indent() << "#pragma omp distribute parallel for simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPDistributeSimdDirective(
OMPDistributeSimdDirective *Node) {
Indent() << "#pragma omp distribute simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetParallelForSimdDirective(
OMPTargetParallelForSimdDirective *Node) {
Indent() << "#pragma omp target parallel for simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetSimdDirective(OMPTargetSimdDirective *Node) {
Indent() << "#pragma omp target simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTeamsDistributeDirective(
OMPTeamsDistributeDirective *Node) {
Indent() << "#pragma omp teams distribute";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTeamsDistributeSimdDirective(
OMPTeamsDistributeSimdDirective *Node) {
Indent() << "#pragma omp teams distribute simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTeamsDistributeParallelForSimdDirective(
OMPTeamsDistributeParallelForSimdDirective *Node) {
Indent() << "#pragma omp teams distribute parallel for simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTeamsDistributeParallelForDirective(
OMPTeamsDistributeParallelForDirective *Node) {
Indent() << "#pragma omp teams distribute parallel for";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetTeamsDirective(OMPTargetTeamsDirective *Node) {
Indent() << "#pragma omp target teams";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetTeamsDistributeDirective(
OMPTargetTeamsDistributeDirective *Node) {
Indent() << "#pragma omp target teams distribute";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetTeamsDistributeParallelForDirective(
OMPTargetTeamsDistributeParallelForDirective *Node) {
Indent() << "#pragma omp target teams distribute parallel for";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetTeamsDistributeParallelForSimdDirective(
OMPTargetTeamsDistributeParallelForSimdDirective *Node) {
Indent() << "#pragma omp target teams distribute parallel for simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPTargetTeamsDistributeSimdDirective(
OMPTargetTeamsDistributeSimdDirective *Node) {
Indent() << "#pragma omp target teams distribute simd";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPInteropDirective(OMPInteropDirective *Node) {
Indent() << "#pragma omp interop";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPDispatchDirective(OMPDispatchDirective *Node) {
Indent() << "#pragma omp dispatch";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPMaskedDirective(OMPMaskedDirective *Node) {
Indent() << "#pragma omp masked";
PrintOMPExecutableDirective(Node);
}
void StmtPrinter::VisitOMPGenericLoopDirective(OMPGenericLoopDirective *Node) {
Indent() << "#pragma omp loop";
PrintOMPExecutableDirective(Node);
}
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//
void StmtPrinter::VisitSourceLocExpr(SourceLocExpr *Node) {
OS << Node->getBuiltinStr() << "()";
}
void StmtPrinter::VisitConstantExpr(ConstantExpr *Node) {
PrintExpr(Node->getSubExpr());
}
void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
if (const auto *OCED = dyn_cast<OMPCapturedExprDecl>(Node->getDecl())) {
OCED->getInit()->IgnoreImpCasts()->printPretty(OS, nullptr, Policy);
return;
}
if (const auto *TPOD = dyn_cast<TemplateParamObjectDecl>(Node->getDecl())) {
TPOD->printAsExpr(OS);
return;
}
if (NestedNameSpecifier *Qualifier = Node->getQualifier())
Qualifier->print(OS, Policy);
if (Node->hasTemplateKeyword())
OS << "template ";
OS << Node->getNameInfo();
if (Node->hasExplicitTemplateArgs()) {
const TemplateParameterList *TPL = nullptr;
if (!Node->hadMultipleCandidates())
if (auto *TD = dyn_cast<TemplateDecl>(Node->getDecl()))
TPL = TD->getTemplateParameters();
printTemplateArgumentList(OS, Node->template_arguments(), Policy, TPL);
}
}
void StmtPrinter::VisitDependentScopeDeclRefExpr(
DependentScopeDeclRefExpr *Node) {
if (NestedNameSpecifier *Qualifier = Node->getQualifier())
Qualifier->print(OS, Policy);
if (Node->hasTemplateKeyword())
OS << "template ";
OS << Node->getNameInfo();
if (Node->hasExplicitTemplateArgs())
printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
if (Node->getQualifier())
Node->getQualifier()->print(OS, Policy);
if (Node->hasTemplateKeyword())
OS << "template ";
OS << Node->getNameInfo();
if (Node->hasExplicitTemplateArgs())
printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
static bool isImplicitSelf(const Expr *E) {
if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) {
if (const auto *PD = dyn_cast<ImplicitParamDecl>(DRE->getDecl())) {
if (PD->getParameterKind() == ImplicitParamDecl::ObjCSelf &&
DRE->getBeginLoc().isInvalid())
return true;
}
}
return false;
}
void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
if (Node->getBase()) {
if (!Policy.SuppressImplicitBase ||
!isImplicitSelf(Node->getBase()->IgnoreImpCasts())) {
PrintExpr(Node->getBase());
OS << (Node->isArrow() ? "->" : ".");
}
}
OS << *Node->getDecl();
}
void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
if (Node->isSuperReceiver())
OS << "super.";
else if (Node->isObjectReceiver() && Node->getBase()) {
PrintExpr(Node->getBase());
OS << ".";
} else if (Node->isClassReceiver() && Node->getClassReceiver()) {
OS << Node->getClassReceiver()->getName() << ".";
}
if (Node->isImplicitProperty()) {
if (const auto *Getter = Node->getImplicitPropertyGetter())
Getter->getSelector().print(OS);
else
OS << SelectorTable::getPropertyNameFromSetterSelector(
Node->getImplicitPropertySetter()->getSelector());
} else
OS << Node->getExplicitProperty()->getName();
}
void StmtPrinter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *Node) {
PrintExpr(Node->getBaseExpr());
OS << "[";
PrintExpr(Node->getKeyExpr());
OS << "]";
}
void StmtPrinter::VisitSYCLUniqueStableNameExpr(
SYCLUniqueStableNameExpr *Node) {
OS << "__builtin_sycl_unique_stable_name(";
Node->getTypeSourceInfo()->getType().print(OS, Policy);
OS << ")";
}
void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
OS << PredefinedExpr::getIdentKindName(Node->getIdentKind());
}
void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
CharacterLiteral::print(Node->getValue(), Node->getKind(), OS);
}
/// Prints the given expression using the original source text. Returns true on
/// success, false otherwise.
static bool printExprAsWritten(raw_ostream &OS, Expr *E,
const ASTContext *Context) {
if (!Context)
return false;
bool Invalid = false;
StringRef Source = Lexer::getSourceText(
CharSourceRange::getTokenRange(E->getSourceRange()),
Context->getSourceManager(), Context->getLangOpts(), &Invalid);
if (!Invalid) {
OS << Source;
return true;
}
return false;
}
void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
if (Policy.ConstantsAsWritten && printExprAsWritten(OS, Node, Context))
return;
bool isSigned = Node->getType()->isSignedIntegerType();
OS << toString(Node->getValue(), 10, isSigned);
// Emit suffixes. Integer literals are always a builtin integer type.
switch (Node->getType()->castAs<BuiltinType>()->getKind()) {
default: llvm_unreachable("Unexpected type for integer literal!");
case BuiltinType::Char_S:
case BuiltinType::Char_U: OS << "i8"; break;
case BuiltinType::UChar: OS << "Ui8"; break;
case BuiltinType::Short: OS << "i16"; break;
case BuiltinType::UShort: OS << "Ui16"; break;
case BuiltinType::Int: break; // no suffix.
case BuiltinType::UInt: OS << 'U'; break;
case BuiltinType::Long: OS << 'L'; break;
case BuiltinType::ULong: OS << "UL"; break;
case BuiltinType::LongLong: OS << "LL"; break;
case BuiltinType::ULongLong: OS << "ULL"; break;
case BuiltinType::Int128:
break; // no suffix.
case BuiltinType::UInt128:
break; // no suffix.
}
}
void StmtPrinter::VisitFixedPointLiteral(FixedPointLiteral *Node) {
if (Policy.ConstantsAsWritten && printExprAsWritten(OS, Node, Context))
return;
OS << Node->getValueAsString(/*Radix=*/10);
switch (Node->getType()->castAs<BuiltinType>()->getKind()) {
default: llvm_unreachable("Unexpected type for fixed point literal!");
case BuiltinType::ShortFract: OS << "hr"; break;
case BuiltinType::ShortAccum: OS << "hk"; break;
case BuiltinType::UShortFract: OS << "uhr"; break;
case BuiltinType::UShortAccum: OS << "uhk"; break;
case BuiltinType::Fract: OS << "r"; break;
case BuiltinType::Accum: OS << "k"; break;
case BuiltinType::UFract: OS << "ur"; break;
case BuiltinType::UAccum: OS << "uk"; break;
case BuiltinType::LongFract: OS << "lr"; break;
case BuiltinType::LongAccum: OS << "lk"; break;
case BuiltinType::ULongFract: OS << "ulr"; break;
case BuiltinType::ULongAccum: OS << "ulk"; break;
}
}
static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
bool PrintSuffix) {
SmallString<16> Str;
Node->getValue().toString(Str);
OS << Str;
if (Str.find_first_not_of("-0123456789") == StringRef::npos)
OS << '.'; // Trailing dot in order to separate from ints.
if (!PrintSuffix)
return;
// Emit suffixes. Float literals are always a builtin float type.
switch (Node->getType()->castAs<BuiltinType>()->getKind()) {
default: llvm_unreachable("Unexpected type for float literal!");
case BuiltinType::Half: break; // FIXME: suffix?
case BuiltinType::Ibm128: break; // FIXME: No suffix for ibm128 literal
case BuiltinType::Double: break; // no suffix.
case BuiltinType::Float16: OS << "F16"; break;
case BuiltinType::Float: OS << 'F'; break;
case BuiltinType::LongDouble: OS << 'L'; break;
case BuiltinType::Float128: OS << 'Q'; break;
}
}
void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
if (Policy.ConstantsAsWritten && printExprAsWritten(OS, Node, Context))
return;
PrintFloatingLiteral(OS, Node, /*PrintSuffix=*/true);
}
void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
PrintExpr(Node->getSubExpr());
OS << "i";
}
void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
Str->outputString(OS);
}
void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
OS << "(";
PrintExpr(Node->getSubExpr());
OS << ")";
}
void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
if (!Node->isPostfix()) {
OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
// Print a space if this is an "identifier operator" like __real, or if
// it might be concatenated incorrectly like '+'.
switch (Node->getOpcode()) {
default: break;
case UO_Real:
case UO_Imag:
case UO_Extension:
OS << ' ';
break;
case UO_Plus:
case UO_Minus:
if (isa<UnaryOperator>(Node->getSubExpr()))
OS << ' ';
break;
}
}
PrintExpr(Node->getSubExpr());
if (Node->isPostfix())
OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
}
void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
OS << "__builtin_offsetof(";
Node->getTypeSourceInfo()->getType().print(OS, Policy);
OS << ", ";
bool PrintedSomething = false;
for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
OffsetOfNode ON = Node->getComponent(i);
if (ON.getKind() == OffsetOfNode::Array) {
// Array node
OS << "[";
PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
OS << "]";
PrintedSomething = true;
continue;
}
// Skip implicit base indirections.
if (ON.getKind() == OffsetOfNode::Base)
continue;
// Field or identifier node.
IdentifierInfo *Id = ON.getFieldName();
if (!Id)
continue;
if (PrintedSomething)
OS << ".";
else
PrintedSomething = true;
OS << Id->getName();
}
OS << ")";
}
void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(
UnaryExprOrTypeTraitExpr *Node) {
const char *Spelling = getTraitSpelling(Node->getKind());
if (Node->getKind() == UETT_AlignOf) {
if (Policy.Alignof)
Spelling = "alignof";
else if (Policy.UnderscoreAlignof)
Spelling = "_Alignof";
else
Spelling = "__alignof";
}
OS << Spelling;
if (Node->isArgumentType()) {
OS << '(';
Node->getArgumentType().print(OS, Policy);
OS << ')';
} else {
OS << " ";
PrintExpr(Node->getArgumentExpr());
}
}
void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
OS << "_Generic(";
PrintExpr(Node->getControllingExpr());
for (const GenericSelectionExpr::Association Assoc : Node->associations()) {
OS << ", ";
QualType T = Assoc.getType();
if (T.isNull())
OS << "default";
else
T.print(OS, Policy);
OS << ": ";
PrintExpr(Assoc.getAssociationExpr());
}
OS << ")";
}
void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
PrintExpr(Node->getLHS());
OS << "[";
PrintExpr(Node->getRHS());
OS << "]";
}
void StmtPrinter::VisitMatrixSubscriptExpr(MatrixSubscriptExpr *Node) {
PrintExpr(Node->getBase());
OS << "[";
PrintExpr(Node->getRowIdx());
OS << "]";
OS << "[";
PrintExpr(Node->getColumnIdx());
OS << "]";
}
void StmtPrinter::VisitOMPArraySectionExpr(OMPArraySectionExpr *Node) {
PrintExpr(Node->getBase());
OS << "[";
if (Node->getLowerBound())
PrintExpr(Node->getLowerBound());
if (Node->getColonLocFirst().isValid()) {
OS << ":";
if (Node->getLength())
PrintExpr(Node->getLength());
}
if (Node->getColonLocSecond().isValid()) {
OS << ":";
if (Node->getStride())
PrintExpr(Node->getStride());
}
OS << "]";
}
void StmtPrinter::VisitOMPArrayShapingExpr(OMPArrayShapingExpr *Node) {
OS << "(";
for (Expr *E : Node->getDimensions()) {
OS << "[";
PrintExpr(E);
OS << "]";
}
OS << ")";
PrintExpr(Node->getBase());
}
void StmtPrinter::VisitOMPIteratorExpr(OMPIteratorExpr *Node) {
OS << "iterator(";
for (unsigned I = 0, E = Node->numOfIterators(); I < E; ++I) {
auto *VD = cast<ValueDecl>(Node->getIteratorDecl(I));
VD->getType().print(OS, Policy);
const OMPIteratorExpr::IteratorRange Range = Node->getIteratorRange(I);
OS << " " << VD->getName() << " = ";
PrintExpr(Range.Begin);
OS << ":";
PrintExpr(Range.End);
if (Range.Step) {
OS << ":";
PrintExpr(Range.Step);
}
if (I < E - 1)
OS << ", ";
}
OS << ")";
}
void StmtPrinter::PrintCallArgs(CallExpr *Call) {
for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
// Don't print any defaulted arguments
break;
}
if (i) OS << ", ";
PrintExpr(Call->getArg(i));
}
}
void StmtPrinter::VisitCallExpr(CallExpr *Call) {
PrintExpr(Call->getCallee());
OS << "(";
PrintCallArgs(Call);
OS << ")";
}
static bool isImplicitThis(const Expr *E) {
if (const auto *TE = dyn_cast<CXXThisExpr>(E))
return TE->isImplicit();
return false;
}
void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
if (!Policy.SuppressImplicitBase || !isImplicitThis(Node->getBase())) {
PrintExpr(Node->getBase());
auto *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
FieldDecl *ParentDecl =
ParentMember ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl())
: nullptr;
if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
OS << (Node->isArrow() ? "->" : ".");
}
if (auto *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
if (FD->isAnonymousStructOrUnion())
return;
if (NestedNameSpecifier *Qualifier = Node->getQualifier())
Qualifier->print(OS, Policy);
if (Node->hasTemplateKeyword())
OS << "template ";
OS << Node->getMemberNameInfo();
const TemplateParameterList *TPL = nullptr;
if (auto *FD = dyn_cast<FunctionDecl>(Node->getMemberDecl())) {
if (!Node->hadMultipleCandidates())
if (auto *FTD = FD->getPrimaryTemplate())
TPL = FTD->getTemplateParameters();
} else if (auto *VTSD =
dyn_cast<VarTemplateSpecializationDecl>(Node->getMemberDecl()))
TPL = VTSD->getSpecializedTemplate()->getTemplateParameters();
if (Node->hasExplicitTemplateArgs())
printTemplateArgumentList(OS, Node->template_arguments(), Policy, TPL);
}
void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
PrintExpr(Node->getBase());
OS << (Node->isArrow() ? "->isa" : ".isa");
}
void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
PrintExpr(Node->getBase());
OS << ".";
OS << Node->getAccessor().getName();
}
void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
OS << '(';
Node->getTypeAsWritten().print(OS, Policy);
OS << ')';
PrintExpr(Node->getSubExpr());
}
void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
OS << '(';
Node->getType().print(OS, Policy);
OS << ')';
PrintExpr(Node->getInitializer());
}
void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
// No need to print anything, simply forward to the subexpression.
PrintExpr(Node->getSubExpr());
}
void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
PrintExpr(Node->getLHS());
OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
PrintExpr(Node->getRHS());
}
void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
PrintExpr(Node->getLHS());
OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
PrintExpr(Node->getRHS());
}
void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
PrintExpr(Node->getCond());
OS << " ? ";
PrintExpr(Node->getLHS());
OS << " : ";
PrintExpr(Node->getRHS());
}
// GNU extensions.
void
StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
PrintExpr(Node->getCommon());
OS << " ?: ";
PrintExpr(Node->getFalseExpr());
}
void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
OS << "&&" << Node->getLabel()->getName();
}
void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
OS << "(";
PrintRawCompoundStmt(E->getSubStmt());
OS << ")";
}
void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
OS << "__builtin_choose_expr(";
PrintExpr(Node->getCond());
OS << ", ";
PrintExpr(Node->getLHS());
OS << ", ";
PrintExpr(Node->getRHS());
OS << ")";
}
void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
OS << "__null";
}
void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
OS << "__builtin_shufflevector(";
for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
if (i) OS << ", ";
PrintExpr(Node->getExpr(i));
}
OS << ")";
}
void StmtPrinter::VisitConvertVectorExpr(ConvertVectorExpr *Node) {
OS << "__builtin_convertvector(";
PrintExpr(Node->getSrcExpr());
OS << ", ";
Node->getType().print(OS, Policy);
OS << ")";
}
void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
if (Node->getSyntacticForm()) {
Visit(Node->getSyntacticForm());
return;
}
OS << "{";
for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
if (i) OS << ", ";
if (Node->getInit(i))
PrintExpr(Node->getInit(i));
else
OS << "{}";
}
OS << "}";
}
void StmtPrinter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *Node) {
// There's no way to express this expression in any of our supported
// languages, so just emit something terse and (hopefully) clear.
OS << "{";
PrintExpr(Node->getSubExpr());
OS << "}";
}
void StmtPrinter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *Node) {
OS << "*";
}
void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
OS << "(";
for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
if (i) OS << ", ";
PrintExpr(Node->getExpr(i));
}
OS << ")";
}
void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
bool NeedsEquals = true;
for (const DesignatedInitExpr::Designator &D : Node->designators()) {
if (D.isFieldDesignator()) {
if (D.getDotLoc().isInvalid()) {
if (IdentifierInfo *II = D.getFieldName()) {
OS << II->getName() << ":";
NeedsEquals = false;
}
} else {
OS << "." << D.getFieldName()->getName();
}
} else {
OS << "[";
if (D.isArrayDesignator()) {
PrintExpr(Node->getArrayIndex(D));
} else {
PrintExpr(Node->getArrayRangeStart(D));
OS << " ... ";
PrintExpr(Node->getArrayRangeEnd(D));
}
OS << "]";
}
}
if (NeedsEquals)
OS << " = ";
else
OS << " ";
PrintExpr(Node->getInit());
}
void StmtPrinter::VisitDesignatedInitUpdateExpr(
DesignatedInitUpdateExpr *Node) {
OS << "{";
OS << "/*base*/";
PrintExpr(Node->getBase());
OS << ", ";
OS << "/*updater*/";
PrintExpr(Node->getUpdater());
OS << "}";
}
void StmtPrinter::VisitNoInitExpr(NoInitExpr *Node) {
OS << "/*no init*/";
}
void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
if (Node->getType()->getAsCXXRecordDecl()) {
OS << "/*implicit*/";
Node->getType().print(OS, Policy);
OS << "()";
} else {
OS << "/*implicit*/(";
Node->getType().print(OS, Policy);
OS << ')';
if (Node->getType()->isRecordType())
OS << "{}";
else
OS << 0;
}
}
void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
OS << "__builtin_va_arg(";
PrintExpr(Node->getSubExpr());
OS << ", ";
Node->getType().print(OS, Policy);
OS << ")";
}
void StmtPrinter::VisitPseudoObjectExpr(PseudoObjectExpr *Node) {
PrintExpr(Node->getSyntacticForm());
}
void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
const char *Name = nullptr;
switch (Node->getOp()) {
#define BUILTIN(ID, TYPE, ATTRS)
#define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \
case AtomicExpr::AO ## ID: \
Name = #ID "("; \
break;
#include "clang/Basic/Builtins.def"
}
OS << Name;
// AtomicExpr stores its subexpressions in a permuted order.
PrintExpr(Node->getPtr());
if (Node->getOp() != AtomicExpr::AO__c11_atomic_load &&
Node->getOp() != AtomicExpr::AO__atomic_load_n &&
Node->getOp() != AtomicExpr::AO__opencl_atomic_load) {
OS << ", ";
PrintExpr(Node->getVal1());
}
if (Node->getOp() == AtomicExpr::AO__atomic_exchange ||
Node->isCmpXChg()) {
OS << ", ";
PrintExpr(Node->getVal2());
}
if (Node->getOp() == AtomicExpr::AO__atomic_compare_exchange ||
Node->getOp() == AtomicExpr::AO__atomic_compare_exchange_n) {
OS << ", ";
PrintExpr(Node->getWeak());
}
if (Node->getOp() != AtomicExpr::AO__c11_atomic_init &&
Node->getOp() != AtomicExpr::AO__opencl_atomic_init) {
OS << ", ";
PrintExpr(Node->getOrder());
}
if (Node->isCmpXChg()) {
OS << ", ";
PrintExpr(Node->getOrderFail());
}
OS << ")";
}
// C++
void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
OverloadedOperatorKind Kind = Node->getOperator();
if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
if (Node->getNumArgs() == 1) {
OS << getOperatorSpelling(Kind) << ' ';
PrintExpr(Node->getArg(0));
} else {
PrintExpr(Node->getArg(0));
OS << ' ' << getOperatorSpelling(Kind);
}
} else if (Kind == OO_Arrow) {
PrintExpr(Node->getArg(0));
} else if (Kind == OO_Call) {
PrintExpr(Node->getArg(0));
OS << '(';
for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
if (ArgIdx > 1)
OS << ", ";
if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
PrintExpr(Node->getArg(ArgIdx));
}
OS << ')';
} else if (Kind == OO_Subscript) {
PrintExpr(Node->getArg(0));
OS << '[';
PrintExpr(Node->getArg(1));
OS << ']';
} else if (Node->getNumArgs() == 1) {
OS << getOperatorSpelling(Kind) << ' ';
PrintExpr(Node->getArg(0));
} else if (Node->getNumArgs() == 2) {
PrintExpr(Node->getArg(0));
OS << ' ' << getOperatorSpelling(Kind) << ' ';
PrintExpr(Node->getArg(1));
} else {
llvm_unreachable("unknown overloaded operator");
}
}
void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
// If we have a conversion operator call only print the argument.
CXXMethodDecl *MD = Node->getMethodDecl();
if (MD && isa<CXXConversionDecl>(MD)) {
PrintExpr(Node->getImplicitObjectArgument());
return;
}
VisitCallExpr(cast<CallExpr>(Node));
}
void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
PrintExpr(Node->getCallee());
OS << "<<<";
PrintCallArgs(Node->getConfig());
OS << ">>>(";
PrintCallArgs(Node);
OS << ")";
}
void StmtPrinter::VisitCXXRewrittenBinaryOperator(
CXXRewrittenBinaryOperator *Node) {
CXXRewrittenBinaryOperator::DecomposedForm Decomposed =
Node->getDecomposedForm();
PrintExpr(const_cast<Expr*>(Decomposed.LHS));
OS << ' ' << BinaryOperator::getOpcodeStr(Decomposed.Opcode) << ' ';
PrintExpr(const_cast<Expr*>(Decomposed.RHS));
}
void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
OS << Node->getCastName() << '<';
Node->getTypeAsWritten().print(OS, Policy);
OS << ">(";
PrintExpr(Node->getSubExpr());
OS << ")";
}
void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
VisitCXXNamedCastExpr(Node);
}
void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
VisitCXXNamedCastExpr(Node);
}
void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
VisitCXXNamedCastExpr(Node);
}
void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
VisitCXXNamedCastExpr(Node);
}
void StmtPrinter::VisitBuiltinBitCastExpr(BuiltinBitCastExpr *Node) {
OS << "__builtin_bit_cast(";
Node->getTypeInfoAsWritten()->getType().print(OS, Policy);
OS << ", ";
PrintExpr(Node->getSubExpr());
OS << ")";
}
void StmtPrinter::VisitCXXAddrspaceCastExpr(CXXAddrspaceCastExpr *Node) {
VisitCXXNamedCastExpr(Node);
}
void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
OS << "typeid(";
if (Node->isTypeOperand()) {
Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
} else {
PrintExpr(Node->getExprOperand());
}
OS << ")";
}
void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
OS << "__uuidof(";
if (Node->isTypeOperand()) {
Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
} else {
PrintExpr(Node->getExprOperand());
}
OS << ")";
}
void StmtPrinter::VisitMSPropertyRefExpr(MSPropertyRefExpr *Node) {
PrintExpr(Node->getBaseExpr());
if (Node->isArrow())
OS << "->";
else
OS << ".";
if (NestedNameSpecifier *Qualifier =
Node->getQualifierLoc().getNestedNameSpecifier())
Qualifier->print(OS, Policy);
OS << Node->getPropertyDecl()->getDeclName();
}
void StmtPrinter::VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr *Node) {
PrintExpr(Node->getBase());
OS << "[";
PrintExpr(Node->getIdx());
OS << "]";
}
void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
switch (Node->getLiteralOperatorKind()) {
case UserDefinedLiteral::LOK_Raw:
OS << cast<StringLiteral>(Node->getArg(0)->IgnoreImpCasts())->getString();
break;
case UserDefinedLiteral::LOK_Template: {
const auto *DRE = cast<DeclRefExpr>(Node->getCallee()->IgnoreImpCasts());
const TemplateArgumentList *Args =
cast<FunctionDecl>(DRE->getDecl())->getTemplateSpecializationArgs();
assert(Args);
if (Args->size() != 1) {
const TemplateParameterList *TPL = nullptr;
if (!DRE->hadMultipleCandidates())
if (const auto *TD = dyn_cast<TemplateDecl>(DRE->getDecl()))
TPL = TD->getTemplateParameters();
OS << "operator\"\"" << Node->getUDSuffix()->getName();
printTemplateArgumentList(OS, Args->asArray(), Policy, TPL);
OS << "()";
return;
}
const TemplateArgument &Pack = Args->get(0);
for (const auto &P : Pack.pack_elements()) {
char C = (char)P.getAsIntegral().getZExtValue();
OS << C;
}
break;
}
case UserDefinedLiteral::LOK_Integer: {
// Print integer literal without suffix.
const auto *Int = cast<IntegerLiteral>(Node->getCookedLiteral());
OS << toString(Int->getValue(), 10, /*isSigned*/false);
break;
}
case UserDefinedLiteral::LOK_Floating: {
// Print floating literal without suffix.
auto *Float = cast<FloatingLiteral>(Node->getCookedLiteral());
PrintFloatingLiteral(OS, Float, /*PrintSuffix=*/false);
break;
}
case UserDefinedLiteral::LOK_String:
case UserDefinedLiteral::LOK_Character:
PrintExpr(Node->getCookedLiteral());
break;
}
OS << Node->getUDSuffix()->getName();
}
void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
OS << (Node->getValue() ? "true" : "false");
}
void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
OS << "nullptr";
}
void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
OS << "this";
}
void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
if (!Node->getSubExpr())
OS << "throw";
else {
OS << "throw ";
PrintExpr(Node->getSubExpr());
}
}
void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
// Nothing to print: we picked up the default argument.
}
void StmtPrinter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Node) {
// Nothing to print: we picked up the default initializer.
}
void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
Node->getType().print(OS, Policy);
// If there are no parens, this is list-initialization, and the braces are
// part of the syntax of the inner construct.
if (Node->getLParenLoc().isValid())
OS << "(";
PrintExpr(Node->getSubExpr());
if (Node->getLParenLoc().isValid())
OS << ")";
}
void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
PrintExpr(Node->getSubExpr());
}
void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
Node->getType().print(OS, Policy);
if (Node->isStdInitListInitialization())
/* Nothing to do; braces are part of creating the std::initializer_list. */;
else if (Node->isListInitialization())
OS << "{";
else
OS << "(";
for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
ArgEnd = Node->arg_end();
Arg != ArgEnd; ++Arg) {
if ((*Arg)->isDefaultArgument())
break;
if (Arg != Node->arg_begin())
OS << ", ";
PrintExpr(*Arg);
}
if (Node->isStdInitListInitialization())
/* See above. */;
else if (Node->isListInitialization())
OS << "}";
else
OS << ")";
}
void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
OS << '[';
bool NeedComma = false;
switch (Node->getCaptureDefault()) {
case LCD_None:
break;
case LCD_ByCopy:
OS << '=';
NeedComma = true;
break;
case LCD_ByRef:
OS << '&';
NeedComma = true;
break;
}
for (LambdaExpr::capture_iterator C = Node->explicit_capture_begin(),
CEnd = Node->explicit_capture_end();
C != CEnd;
++C) {
if (C->capturesVLAType())
continue;
if (NeedComma)
OS << ", ";
NeedComma = true;
switch (C->getCaptureKind()) {
case LCK_This:
OS << "this";
break;
case LCK_StarThis:
OS << "*this";
break;
case LCK_ByRef:
if (Node->getCaptureDefault() != LCD_ByRef || Node->isInitCapture(C))
OS << '&';
OS << C->getCapturedVar()->getName();
break;
case LCK_ByCopy:
OS << C->getCapturedVar()->getName();
break;
case LCK_VLAType:
llvm_unreachable("VLA type in explicit captures.");
}
if (C->isPackExpansion())
OS << "...";
if (Node->isInitCapture(C)) {
VarDecl *D = C->getCapturedVar();
llvm::StringRef Pre;
llvm::StringRef Post;
if (D->getInitStyle() == VarDecl::CallInit &&
!isa<ParenListExpr>(D->getInit())) {
Pre = "(";
Post = ")";
} else if (D->getInitStyle() == VarDecl::CInit) {
Pre = " = ";
}
OS << Pre;
PrintExpr(D->getInit());
OS << Post;
}
}
OS << ']';
if (!Node->getExplicitTemplateParameters().empty()) {
Node->getTemplateParameterList()->print(
OS, Node->getLambdaClass()->getASTContext(),
/*OmitTemplateKW*/true);
}
if (Node->hasExplicitParameters()) {
OS << '(';
CXXMethodDecl *Method = Node->getCallOperator();
NeedComma = false;
for (const auto *P : Method->parameters()) {
if (NeedComma) {
OS << ", ";
} else {
NeedComma = true;
}
std::string ParamStr = P->getNameAsString();
P->getOriginalType().print(OS, Policy, ParamStr);
}
if (Method->isVariadic()) {
if (NeedComma)
OS << ", ";
OS << "...";
}
OS << ')';
if (Node->isMutable())
OS << " mutable";
auto *Proto = Method->getType()->castAs<FunctionProtoType>();
Proto->printExceptionSpecification(OS, Policy);
// FIXME: Attributes
// Print the trailing return type if it was specified in the source.
if (Node->hasExplicitResultType()) {
OS << " -> ";
Proto->getReturnType().print(OS, Policy);
}
}
// Print the body.
OS << ' ';
if (Policy.TerseOutput)
OS << "{}";
else
PrintRawCompoundStmt(Node->getCompoundStmtBody());
}
void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
TSInfo->getType().print(OS, Policy);
else
Node->getType().print(OS, Policy);
OS << "()";
}
void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
if (E->isGlobalNew())
OS << "::";
OS << "new ";
unsigned NumPlace = E->getNumPlacementArgs();
if (NumPlace > 0 && !isa<CXXDefaultArgExpr>(E->getPlacementArg(0))) {
OS << "(";
PrintExpr(E->getPlacementArg(0));
for (unsigned i = 1; i < NumPlace; ++i) {
if (isa<CXXDefaultArgExpr>(E->getPlacementArg(i)))
break;
OS << ", ";
PrintExpr(E->getPlacementArg(i));
}
OS << ") ";
}
if (E->isParenTypeId())
OS << "(";
std::string TypeS;
if (Optional<Expr *> Size = E->getArraySize()) {
llvm::raw_string_ostream s(TypeS);
s << '[';
if (*Size)
(*Size)->printPretty(s, Helper, Policy);
s << ']';
}
E->getAllocatedType().print(OS, Policy, TypeS);
if (E->isParenTypeId())
OS << ")";
CXXNewExpr::InitializationStyle InitStyle = E->getInitializationStyle();
if (InitStyle) {
if (InitStyle == CXXNewExpr::CallInit)
OS << "(";
PrintExpr(E->getInitializer());
if (InitStyle == CXXNewExpr::CallInit)
OS << ")";
}
}
void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
if (E->isGlobalDelete())
OS << "::";
OS << "delete ";
if (E->isArrayForm())
OS << "[] ";
PrintExpr(E->getArgument());
}
void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
PrintExpr(E->getBase());
if (E->isArrow())
OS << "->";
else
OS << '.';
if (E->getQualifier())
E->getQualifier()->print(OS, Policy);
OS << "~";
if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
OS << II->getName();
else
E->getDestroyedType().print(OS, Policy);
}
void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
if (E->isListInitialization() && !E->isStdInitListInitialization())
OS << "{";
for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
// Don't print any defaulted arguments
break;
}
if (i) OS << ", ";
PrintExpr(E->getArg(i));
}
if (E->isListInitialization() && !E->isStdInitListInitialization())
OS << "}";
}
void StmtPrinter::VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E) {
// Parens are printed by the surrounding context.
OS << "<forwarded>";
}
void StmtPrinter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
PrintExpr(E->getSubExpr());
}
void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
// Just forward to the subexpression.
PrintExpr(E->getSubExpr());
}
void
StmtPrinter::VisitCXXUnresolvedConstructExpr(
CXXUnresolvedConstructExpr *Node) {
Node->getTypeAsWritten().print(OS, Policy);
OS << "(";
for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
ArgEnd = Node->arg_end();
Arg != ArgEnd; ++Arg) {
if (Arg != Node->arg_begin())
OS << ", ";
PrintExpr(*Arg);
}
OS << ")";
}
void StmtPrinter::VisitCXXDependentScopeMemberExpr(
CXXDependentScopeMemberExpr *Node) {
if (!Node->isImplicitAccess()) {
PrintExpr(Node->getBase());
OS << (Node->isArrow() ? "->" : ".");
}
if (NestedNameSpecifier *Qualifier = Node->getQualifier())
Qualifier->print(OS, Policy);
if (Node->hasTemplateKeyword())
OS << "template ";
OS << Node->getMemberNameInfo();
if (Node->hasExplicitTemplateArgs())
printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
if (!Node->isImplicitAccess()) {
PrintExpr(Node->getBase());
OS << (Node->isArrow() ? "->" : ".");
}
if (NestedNameSpecifier *Qualifier = Node->getQualifier())
Qualifier->print(OS, Policy);
if (Node->hasTemplateKeyword())
OS << "template ";
OS << Node->getMemberNameInfo();
if (Node->hasExplicitTemplateArgs())
printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitTypeTraitExpr(TypeTraitExpr *E) {
OS << getTraitSpelling(E->getTrait()) << "(";
for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) {
if (I > 0)
OS << ", ";
E->getArg(I)->getType().print(OS, Policy);
}
OS << ")";
}
void StmtPrinter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
OS << getTraitSpelling(E->getTrait()) << '(';
E->getQueriedType().print(OS, Policy);
OS << ')';
}
void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
OS << getTraitSpelling(E->getTrait()) << '(';
PrintExpr(E->getQueriedExpression());
OS << ')';
}
void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
OS << "noexcept(";
PrintExpr(E->getOperand());
OS << ")";
}
void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
PrintExpr(E->getPattern());
OS << "...";
}
void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
OS << "sizeof...(" << *E->getPack() << ")";
}
void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
SubstNonTypeTemplateParmPackExpr *Node) {
OS << *Node->getParameterPack();
}
void StmtPrinter::VisitSubstNonTypeTemplateParmExpr(
SubstNonTypeTemplateParmExpr *Node) {
Visit(Node->getReplacement());
}
void StmtPrinter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
OS << *E->getParameterPack();
}
void StmtPrinter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *Node){
PrintExpr(Node->getSubExpr());
}
void StmtPrinter::VisitCXXFoldExpr(CXXFoldExpr *E) {
OS << "(";
if (E->getLHS()) {
PrintExpr(E->getLHS());
OS << " " << BinaryOperator::getOpcodeStr(E->getOperator()) << " ";
}
OS << "...";
if (E->getRHS()) {
OS << " " << BinaryOperator::getOpcodeStr(E->getOperator()) << " ";
PrintExpr(E->getRHS());
}
OS << ")";
}
void StmtPrinter::VisitConceptSpecializationExpr(ConceptSpecializationExpr *E) {
NestedNameSpecifierLoc NNS = E->getNestedNameSpecifierLoc();
if (NNS)
NNS.getNestedNameSpecifier()->print(OS, Policy);
if (E->getTemplateKWLoc().isValid())
OS << "template ";
OS << E->getFoundDecl()->getName();
printTemplateArgumentList(OS, E->getTemplateArgsAsWritten()->arguments(),
Policy,
E->getNamedConcept()->getTemplateParameters());
}
void StmtPrinter::VisitRequiresExpr(RequiresExpr *E) {
OS << "requires ";
auto LocalParameters = E->getLocalParameters();
if (!LocalParameters.empty()) {
OS << "(";
for (ParmVarDecl *LocalParam : LocalParameters) {
PrintRawDecl(LocalParam);
if (LocalParam != LocalParameters.back())
OS << ", ";
}
OS << ") ";
}
OS << "{ ";
auto Requirements = E->getRequirements();
for (concepts::Requirement *Req : Requirements) {
if (auto *TypeReq = dyn_cast<concepts::TypeRequirement>(Req)) {
if (TypeReq->isSubstitutionFailure())
OS << "<<error-type>>";
else
TypeReq->getType()->getType().print(OS, Policy);
} else if (auto *ExprReq = dyn_cast<concepts::ExprRequirement>(Req)) {
if (ExprReq->isCompound())
OS << "{ ";
if (ExprReq->isExprSubstitutionFailure())
OS << "<<error-expression>>";
else
PrintExpr(ExprReq->getExpr());
if (ExprReq->isCompound()) {
OS << " }";
if (ExprReq->getNoexceptLoc().isValid())
OS << " noexcept";
const auto &RetReq = ExprReq->getReturnTypeRequirement();
if (!RetReq.isEmpty()) {
OS << " -> ";
if (RetReq.isSubstitutionFailure())
OS << "<<error-type>>";
else if (RetReq.isTypeConstraint())
RetReq.getTypeConstraint()->print(OS, Policy);
}
}
} else {
auto *NestedReq = cast<concepts::NestedRequirement>(Req);
OS << "requires ";
if (NestedReq->isSubstitutionFailure())
OS << "<<error-expression>>";
else
PrintExpr(NestedReq->getConstraintExpr());
}
OS << "; ";
}
OS << "}";
}
// C++ Coroutines TS
void StmtPrinter::VisitCoroutineBodyStmt(CoroutineBodyStmt *S) {
Visit(S->getBody());
}
void StmtPrinter::VisitCoreturnStmt(CoreturnStmt *S) {
OS << "co_return";
if (S->getOperand()) {
OS << " ";
Visit(S->getOperand());
}
OS << ";";
}
void StmtPrinter::VisitCoawaitExpr(CoawaitExpr *S) {
OS << "co_await ";
PrintExpr(S->getOperand());
}
void StmtPrinter::VisitDependentCoawaitExpr(DependentCoawaitExpr *S) {
OS << "co_await ";
PrintExpr(S->getOperand());
}
void StmtPrinter::VisitCoyieldExpr(CoyieldExpr *S) {
OS << "co_yield ";
PrintExpr(S->getOperand());
}
// Obj-C
void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
OS << "@";
VisitStringLiteral(Node->getString());
}
void StmtPrinter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
OS << "@";
Visit(E->getSubExpr());
}
void StmtPrinter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
OS << "@[ ";
ObjCArrayLiteral::child_range Ch = E->children();
for (auto I = Ch.begin(), E = Ch.end(); I != E; ++I) {
if (I != Ch.begin())
OS << ", ";
Visit(*I);
}
OS << " ]";
}
void StmtPrinter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
OS << "@{ ";
for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) {
if (I > 0)
OS << ", ";
ObjCDictionaryElement Element = E->getKeyValueElement(I);
Visit(Element.Key);
OS << " : ";
Visit(Element.Value);
if (Element.isPackExpansion())
OS << "...";
}
OS << " }";
}
void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
OS << "@encode(";
Node->getEncodedType().print(OS, Policy);
OS << ')';
}
void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
OS << "@selector(";
Node->getSelector().print(OS);
OS << ')';
}
void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
OS << "@protocol(" << *Node->getProtocol() << ')';
}
void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
OS << "[";
switch (Mess->getReceiverKind()) {
case ObjCMessageExpr::Instance:
PrintExpr(Mess->getInstanceReceiver());
break;
case ObjCMessageExpr::Class:
Mess->getClassReceiver().print(OS, Policy);
break;
case ObjCMessageExpr::SuperInstance:
case ObjCMessageExpr::SuperClass:
OS << "Super";
break;
}
OS << ' ';
Selector selector = Mess->getSelector();
if (selector.isUnarySelector()) {
OS << selector.getNameForSlot(0);
} else {
for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
if (i < selector.getNumArgs()) {
if (i > 0) OS << ' ';
if (selector.getIdentifierInfoForSlot(i))
OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
else
OS << ":";
}
else OS << ", "; // Handle variadic methods.
PrintExpr(Mess->getArg(i));
}
}
OS << "]";
}
void StmtPrinter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Node) {
OS << (Node->getValue() ? "__objc_yes" : "__objc_no");
}
void
StmtPrinter::VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
PrintExpr(E->getSubExpr());
}
void
StmtPrinter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
OS << '(' << E->getBridgeKindName();
E->getType().print(OS, Policy);
OS << ')';
PrintExpr(E->getSubExpr());
}
void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
BlockDecl *BD = Node->getBlockDecl();
OS << "^";
const FunctionType *AFT = Node->getFunctionType();
if (isa<FunctionNoProtoType>(AFT)) {
OS << "()";
} else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
OS << '(';
for (BlockDecl::param_iterator AI = BD->param_begin(),
E = BD->param_end(); AI != E; ++AI) {
if (AI != BD->param_begin()) OS << ", ";
std::string ParamStr = (*AI)->getNameAsString();
(*AI)->getType().print(OS, Policy, ParamStr);
}
const auto *FT = cast<FunctionProtoType>(AFT);
if (FT->isVariadic()) {
if (!BD->param_empty()) OS << ", ";
OS << "...";
}
OS << ')';
}
OS << "{ }";
}
void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {
PrintExpr(Node->getSourceExpr());
}
void StmtPrinter::VisitTypoExpr(TypoExpr *Node) {
// TODO: Print something reasonable for a TypoExpr, if necessary.
llvm_unreachable("Cannot print TypoExpr nodes");
}
void StmtPrinter::VisitRecoveryExpr(RecoveryExpr *Node) {
OS << "<recovery-expr>(";
const char *Sep = "";
for (Expr *E : Node->subExpressions()) {
OS << Sep;
PrintExpr(E);
Sep = ", ";
}
OS << ')';
}
void StmtPrinter::VisitAsTypeExpr(AsTypeExpr *Node) {
OS << "__builtin_astype(";
PrintExpr(Node->getSrcExpr());
OS << ", ";
Node->getType().print(OS, Policy);
OS << ")";
}
//===----------------------------------------------------------------------===//
// Stmt method implementations
//===----------------------------------------------------------------------===//
void Stmt::dumpPretty(const ASTContext &Context) const {
printPretty(llvm::errs(), nullptr, PrintingPolicy(Context.getLangOpts()));
}
void Stmt::printPretty(raw_ostream &Out, PrinterHelper *Helper,
const PrintingPolicy &Policy, unsigned Indentation,
StringRef NL, const ASTContext *Context) const {
StmtPrinter P(Out, Helper, Policy, Indentation, NL, Context);
P.Visit(const_cast<Stmt *>(this));
}
void Stmt::printJson(raw_ostream &Out, PrinterHelper *Helper,
const PrintingPolicy &Policy, bool AddQuotes) const {
std::string Buf;
llvm::raw_string_ostream TempOut(Buf);
printPretty(TempOut, Helper, Policy);
Out << JsonFormat(TempOut.str(), AddQuotes);
}
//===----------------------------------------------------------------------===//
// PrinterHelper
//===----------------------------------------------------------------------===//
// Implement virtual destructor.
PrinterHelper::~PrinterHelper() = default;
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