summaryrefslogtreecommitdiff
path: root/lib/AST/StmtPrinter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/AST/StmtPrinter.cpp')
-rw-r--r--lib/AST/StmtPrinter.cpp150
1 files changed, 110 insertions, 40 deletions
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index 5ebaa32b49c80..d7e668a832809 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -24,6 +24,7 @@
#include "clang/AST/PrettyPrinter.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/CharInfo.h"
+#include "clang/Lex/Lexer.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Format.h"
using namespace clang;
@@ -38,12 +39,14 @@ namespace {
unsigned IndentLevel;
clang::PrinterHelper* Helper;
PrintingPolicy Policy;
+ const ASTContext *Context;
public:
- StmtPrinter(raw_ostream &os, PrinterHelper* helper,
- const PrintingPolicy &Policy,
- unsigned Indentation = 0)
- : OS(os), IndentLevel(Indentation), Helper(helper), Policy(Policy) {}
+ StmtPrinter(raw_ostream &os, PrinterHelper *helper,
+ const PrintingPolicy &Policy, unsigned Indentation = 0,
+ const ASTContext *Context = nullptr)
+ : OS(os), IndentLevel(Indentation), Helper(helper), Policy(Policy),
+ Context(Context) {}
void PrintStmt(Stmt *S) {
PrintStmt(S, Policy.Indentation);
@@ -72,7 +75,8 @@ namespace {
void PrintCallArgs(CallExpr *E);
void PrintRawSEHExceptHandler(SEHExceptStmt *S);
void PrintRawSEHFinallyStmt(SEHFinallyStmt *S);
- void PrintOMPExecutableDirective(OMPExecutableDirective *S);
+ void PrintOMPExecutableDirective(OMPExecutableDirective *S,
+ bool ForceNoStmt = false);
void PrintExpr(Expr *E) {
if (E)
@@ -859,6 +863,28 @@ void OMPClausePrinter::VisitOMPTaskReductionClause(
}
}
+void OMPClausePrinter::VisitOMPInReductionClause(OMPInReductionClause *Node) {
+ if (!Node->varlist_empty()) {
+ OS << "in_reduction(";
+ NestedNameSpecifier *QualifierLoc =
+ Node->getQualifierLoc().getNestedNameSpecifier();
+ OverloadedOperatorKind OOK =
+ Node->getNameInfo().getName().getCXXOverloadedOperator();
+ if (QualifierLoc == nullptr && OOK != OO_None) {
+ // Print reduction identifier in C format
+ OS << getOperatorSpelling(OOK);
+ } else {
+ // Use C++ format
+ if (QualifierLoc != nullptr)
+ QualifierLoc->print(OS, Policy);
+ OS << Node->getNameInfo();
+ }
+ OS << ":";
+ VisitOMPClauseList(Node, ' ');
+ OS << ")";
+ }
+}
+
void OMPClausePrinter::VisitOMPLinearClause(OMPLinearClause *Node) {
if (!Node->varlist_empty()) {
OS << "linear";
@@ -997,7 +1023,8 @@ void OMPClausePrinter::VisitOMPIsDevicePtrClause(OMPIsDevicePtrClause *Node) {
// OpenMP directives printing methods
//===----------------------------------------------------------------------===//
-void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S) {
+void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S,
+ bool ForceNoStmt) {
OMPClausePrinter Printer(OS, Policy);
ArrayRef<OMPClause *> Clauses = S->clauses();
for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
@@ -1007,7 +1034,7 @@ void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S) {
OS << ' ';
}
OS << "\n";
- if (S->hasAssociatedStmt() && S->getAssociatedStmt()) {
+ if (S->hasAssociatedStmt() && S->getAssociatedStmt() && !ForceNoStmt) {
assert(isa<CapturedStmt>(S->getAssociatedStmt()) &&
"Expected captured statement!");
Stmt *CS = cast<CapturedStmt>(S->getAssociatedStmt())->getCapturedStmt();
@@ -1136,13 +1163,13 @@ void StmtPrinter::VisitOMPTargetDataDirective(OMPTargetDataDirective *Node) {
void StmtPrinter::VisitOMPTargetEnterDataDirective(
OMPTargetEnterDataDirective *Node) {
Indent() << "#pragma omp target enter data ";
- PrintOMPExecutableDirective(Node);
+ PrintOMPExecutableDirective(Node, /*ForceNoStmt=*/true);
}
void StmtPrinter::VisitOMPTargetExitDataDirective(
OMPTargetExitDataDirective *Node) {
Indent() << "#pragma omp target exit data ";
- PrintOMPExecutableDirective(Node);
+ PrintOMPExecutableDirective(Node, /*ForceNoStmt=*/true);
}
void StmtPrinter::VisitOMPTargetParallelDirective(
@@ -1194,7 +1221,7 @@ void StmtPrinter::VisitOMPDistributeDirective(OMPDistributeDirective *Node) {
void StmtPrinter::VisitOMPTargetUpdateDirective(
OMPTargetUpdateDirective *Node) {
Indent() << "#pragma omp target update ";
- PrintOMPExecutableDirective(Node);
+ PrintOMPExecutableDirective(Node, /*ForceNoStmt=*/true);
}
void StmtPrinter::VisitOMPDistributeParallelForDirective(
@@ -1294,8 +1321,7 @@ void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
OS << "template ";
OS << Node->getNameInfo();
if (Node->hasExplicitTemplateArgs())
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Node->template_arguments(), Policy);
+ printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitDependentScopeDeclRefExpr(
@@ -1306,8 +1332,7 @@ void StmtPrinter::VisitDependentScopeDeclRefExpr(
OS << "template ";
OS << Node->getNameInfo();
if (Node->hasExplicitTemplateArgs())
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Node->template_arguments(), Policy);
+ printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
@@ -1317,14 +1342,28 @@ void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
OS << "template ";
OS << Node->getNameInfo();
if (Node->hasExplicitTemplateArgs())
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Node->template_arguments(), Policy);
+ printTemplateArgumentList(OS, Node->template_arguments(), Policy);
+}
+
+static bool isImplicitSelf(const Expr *E) {
+ if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) {
+ if (const ImplicitParamDecl *PD =
+ dyn_cast<ImplicitParamDecl>(DRE->getDecl())) {
+ if (PD->getParameterKind() == ImplicitParamDecl::ObjCSelf &&
+ DRE->getLocStart().isInvalid())
+ return true;
+ }
+ }
+ return false;
}
void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
if (Node->getBase()) {
- PrintExpr(Node->getBase());
- OS << (Node->isArrow() ? "->" : ".");
+ if (!Policy.SuppressImplicitBase ||
+ !isImplicitSelf(Node->getBase()->IgnoreImpCasts())) {
+ PrintExpr(Node->getBase());
+ OS << (Node->isArrow() ? "->" : ".");
+ }
}
OS << *Node->getDecl();
}
@@ -1419,7 +1458,26 @@ void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
}
}
+/// 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 << Node->getValue().toString(10, isSigned);
@@ -1456,6 +1514,7 @@ static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
default: llvm_unreachable("Unexpected type for float literal!");
case BuiltinType::Half: break; // FIXME: suffix?
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;
@@ -1463,6 +1522,8 @@ static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
}
void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
+ if (Policy.ConstantsAsWritten && printExprAsWritten(OS, Node, Context))
+ return;
PrintFloatingLiteral(OS, Node, /*PrintSuffix=*/true);
}
@@ -1623,16 +1684,25 @@ void StmtPrinter::VisitCallExpr(CallExpr *Call) {
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) {
- // FIXME: Suppress printing implicit bases (like "this")
- PrintExpr(Node->getBase());
+ if (!Policy.SuppressImplicitBase || !isImplicitThis(Node->getBase())) {
+ PrintExpr(Node->getBase());
- MemberExpr *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
- FieldDecl *ParentDecl = ParentMember
- ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl()) : nullptr;
+ MemberExpr *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
+ FieldDecl *ParentDecl =
+ ParentMember ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl())
+ : nullptr;
- if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
- OS << (Node->isArrow() ? "->" : ".");
+ if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
+ OS << (Node->isArrow() ? "->" : ".");
+ }
if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
if (FD->isAnonymousStructOrUnion())
@@ -1644,8 +1714,7 @@ void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
OS << "template ";
OS << Node->getMemberNameInfo();
if (Node->hasExplicitTemplateArgs())
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Node->template_arguments(), Policy);
+ printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
PrintExpr(Node->getBase());
@@ -1869,7 +1938,8 @@ void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
// 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__atomic_load_n &&
+ Node->getOp() != AtomicExpr::AO__opencl_atomic_load) {
OS << ", ";
PrintExpr(Node->getVal1());
}
@@ -1883,7 +1953,8 @@ void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
OS << ", ";
PrintExpr(Node->getWeak());
}
- if (Node->getOp() != AtomicExpr::AO__c11_atomic_init) {
+ if (Node->getOp() != AtomicExpr::AO__c11_atomic_init &&
+ Node->getOp() != AtomicExpr::AO__opencl_atomic_init) {
OS << ", ";
PrintExpr(Node->getOrder());
}
@@ -2036,8 +2107,7 @@ void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
if (Args->size() != 1) {
OS << "operator\"\"" << Node->getUDSuffix()->getName();
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Args->asArray(), Policy);
+ printTemplateArgumentList(OS, Args->asArray(), Policy);
OS << "()";
return;
}
@@ -2159,6 +2229,9 @@ void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
CEnd = Node->explicit_capture_end();
C != CEnd;
++C) {
+ if (C->capturesVLAType())
+ continue;
+
if (NeedComma)
OS << ", ";
NeedComma = true;
@@ -2361,8 +2434,7 @@ void StmtPrinter::VisitCXXDependentScopeMemberExpr(
OS << "template ";
OS << Node->getMemberNameInfo();
if (Node->hasExplicitTemplateArgs())
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Node->template_arguments(), Policy);
+ printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
@@ -2376,8 +2448,7 @@ void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
OS << "template ";
OS << Node->getMemberNameInfo();
if (Node->hasExplicitTemplateArgs())
- TemplateSpecializationType::PrintTemplateArgumentList(
- OS, Node->template_arguments(), Policy);
+ printTemplateArgumentList(OS, Node->template_arguments(), Policy);
}
static const char *getTypeTraitName(TypeTrait TT) {
@@ -2672,11 +2743,10 @@ void Stmt::dumpPretty(const ASTContext &Context) const {
printPretty(llvm::errs(), nullptr, PrintingPolicy(Context.getLangOpts()));
}
-void Stmt::printPretty(raw_ostream &OS,
- PrinterHelper *Helper,
- const PrintingPolicy &Policy,
- unsigned Indentation) const {
- StmtPrinter P(OS, Helper, Policy, Indentation);
+void Stmt::printPretty(raw_ostream &OS, PrinterHelper *Helper,
+ const PrintingPolicy &Policy, unsigned Indentation,
+ const ASTContext *Context) const {
+ StmtPrinter P(OS, Helper, Policy, Indentation, Context);
P.Visit(const_cast<Stmt*>(this));
}