minix/external/bsd/llvm/dist/clang/lib/AST/ASTDumper.cpp

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//===--- ASTDumper.cpp - Dumping implementation for ASTs ------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the AST dump methods, which dump out the
// AST in a form that exposes type details and other fields.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/CommentVisitor.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclLookups.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclVisitor.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/Module.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
using namespace clang::comments;
//===----------------------------------------------------------------------===//
// ASTDumper Visitor
//===----------------------------------------------------------------------===//
namespace {
// Colors used for various parts of the AST dump
struct TerminalColor {
raw_ostream::Colors Color;
bool Bold;
};
// Decl kind names (VarDecl, FunctionDecl, etc)
static const TerminalColor DeclKindNameColor = { raw_ostream::GREEN, true };
// Attr names (CleanupAttr, GuardedByAttr, etc)
static const TerminalColor AttrColor = { raw_ostream::BLUE, true };
// Statement names (DeclStmt, ImplicitCastExpr, etc)
static const TerminalColor StmtColor = { raw_ostream::MAGENTA, true };
// Comment names (FullComment, ParagraphComment, TextComment, etc)
static const TerminalColor CommentColor = { raw_ostream::YELLOW, true };
// Type names (int, float, etc, plus user defined types)
static const TerminalColor TypeColor = { raw_ostream::GREEN, false };
// Pointer address
static const TerminalColor AddressColor = { raw_ostream::YELLOW, false };
// Source locations
static const TerminalColor LocationColor = { raw_ostream::YELLOW, false };
// lvalue/xvalue
static const TerminalColor ValueKindColor = { raw_ostream::CYAN, false };
// bitfield/objcproperty/objcsubscript/vectorcomponent
static const TerminalColor ObjectKindColor = { raw_ostream::CYAN, false };
// Null statements
static const TerminalColor NullColor = { raw_ostream::BLUE, false };
// Undeserialized entities
static const TerminalColor UndeserializedColor = { raw_ostream::GREEN, true };
// CastKind from CastExpr's
static const TerminalColor CastColor = { raw_ostream::RED, false };
// Value of the statement
static const TerminalColor ValueColor = { raw_ostream::CYAN, true };
// Decl names
static const TerminalColor DeclNameColor = { raw_ostream::CYAN, true };
// Indents ( `, -. | )
static const TerminalColor IndentColor = { raw_ostream::BLUE, false };
class ASTDumper
: public ConstDeclVisitor<ASTDumper>, public ConstStmtVisitor<ASTDumper>,
public ConstCommentVisitor<ASTDumper> {
raw_ostream &OS;
const CommandTraits *Traits;
const SourceManager *SM;
bool IsFirstLine;
// Indicates whether more child are expected at the current tree depth
enum IndentType { IT_Child, IT_LastChild };
/// Indents[i] indicates if another child exists at level i.
/// Used by Indent() to print the tree structure.
llvm::SmallVector<IndentType, 32> Indents;
/// Indicates that more children will be needed at this indent level.
/// If true, prevents lastChild() from marking the node as the last child.
/// This is used when there are multiple collections of children to be
/// dumped as well as during conditional node dumping.
bool MoreChildren;
/// Keep track of the last location we print out so that we can
/// print out deltas from then on out.
const char *LastLocFilename;
unsigned LastLocLine;
/// The \c FullComment parent of the comment being dumped.
const FullComment *FC;
bool ShowColors;
class IndentScope {
ASTDumper &Dumper;
// Preserve the Dumper's MoreChildren value from the previous IndentScope
bool MoreChildren;
public:
IndentScope(ASTDumper &Dumper) : Dumper(Dumper) {
MoreChildren = Dumper.hasMoreChildren();
Dumper.setMoreChildren(false);
Dumper.indent();
}
~IndentScope() {
Dumper.setMoreChildren(MoreChildren);
Dumper.unindent();
}
};
class ColorScope {
ASTDumper &Dumper;
public:
ColorScope(ASTDumper &Dumper, TerminalColor Color)
: Dumper(Dumper) {
if (Dumper.ShowColors)
Dumper.OS.changeColor(Color.Color, Color.Bold);
}
~ColorScope() {
if (Dumper.ShowColors)
Dumper.OS.resetColor();
}
};
public:
ASTDumper(raw_ostream &OS, const CommandTraits *Traits,
const SourceManager *SM)
: OS(OS), Traits(Traits), SM(SM), IsFirstLine(true), MoreChildren(false),
LastLocFilename(""), LastLocLine(~0U), FC(0),
ShowColors(SM && SM->getDiagnostics().getShowColors()) { }
ASTDumper(raw_ostream &OS, const CommandTraits *Traits,
const SourceManager *SM, bool ShowColors)
: OS(OS), Traits(Traits), SM(SM), IsFirstLine(true), MoreChildren(false),
LastLocFilename(""), LastLocLine(~0U),
ShowColors(ShowColors) { }
~ASTDumper() {
OS << "\n";
}
void dumpDecl(const Decl *D);
void dumpStmt(const Stmt *S);
void dumpFullComment(const FullComment *C);
// Formatting
void indent();
void unindent();
void lastChild();
bool hasMoreChildren();
void setMoreChildren(bool Value);
// Utilities
void dumpPointer(const void *Ptr);
void dumpSourceRange(SourceRange R);
void dumpLocation(SourceLocation Loc);
void dumpBareType(QualType T);
void dumpType(QualType T);
void dumpBareDeclRef(const Decl *Node);
void dumpDeclRef(const Decl *Node, const char *Label = 0);
void dumpName(const NamedDecl *D);
bool hasNodes(const DeclContext *DC);
void dumpDeclContext(const DeclContext *DC);
void dumpLookups(const DeclContext *DC);
void dumpAttr(const Attr *A);
// C++ Utilities
void dumpAccessSpecifier(AccessSpecifier AS);
void dumpCXXCtorInitializer(const CXXCtorInitializer *Init);
void dumpTemplateParameters(const TemplateParameterList *TPL);
void dumpTemplateArgumentListInfo(const TemplateArgumentListInfo &TALI);
void dumpTemplateArgumentLoc(const TemplateArgumentLoc &A);
void dumpTemplateArgumentList(const TemplateArgumentList &TAL);
void dumpTemplateArgument(const TemplateArgument &A,
SourceRange R = SourceRange());
// Decls
void VisitLabelDecl(const LabelDecl *D);
void VisitTypedefDecl(const TypedefDecl *D);
void VisitEnumDecl(const EnumDecl *D);
void VisitRecordDecl(const RecordDecl *D);
void VisitEnumConstantDecl(const EnumConstantDecl *D);
void VisitIndirectFieldDecl(const IndirectFieldDecl *D);
void VisitFunctionDecl(const FunctionDecl *D);
void VisitFieldDecl(const FieldDecl *D);
void VisitVarDecl(const VarDecl *D);
void VisitFileScopeAsmDecl(const FileScopeAsmDecl *D);
void VisitImportDecl(const ImportDecl *D);
// C++ Decls
void VisitNamespaceDecl(const NamespaceDecl *D);
void VisitUsingDirectiveDecl(const UsingDirectiveDecl *D);
void VisitNamespaceAliasDecl(const NamespaceAliasDecl *D);
void VisitTypeAliasDecl(const TypeAliasDecl *D);
void VisitTypeAliasTemplateDecl(const TypeAliasTemplateDecl *D);
void VisitCXXRecordDecl(const CXXRecordDecl *D);
void VisitStaticAssertDecl(const StaticAssertDecl *D);
void VisitFunctionTemplateDecl(const FunctionTemplateDecl *D);
void VisitClassTemplateDecl(const ClassTemplateDecl *D);
void VisitClassTemplateSpecializationDecl(
const ClassTemplateSpecializationDecl *D);
void VisitClassTemplatePartialSpecializationDecl(
const ClassTemplatePartialSpecializationDecl *D);
void VisitClassScopeFunctionSpecializationDecl(
const ClassScopeFunctionSpecializationDecl *D);
void VisitVarTemplateDecl(const VarTemplateDecl *D);
void VisitVarTemplateSpecializationDecl(
const VarTemplateSpecializationDecl *D);
void VisitVarTemplatePartialSpecializationDecl(
const VarTemplatePartialSpecializationDecl *D);
void VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D);
void VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl *D);
void VisitTemplateTemplateParmDecl(const TemplateTemplateParmDecl *D);
void VisitUsingDecl(const UsingDecl *D);
void VisitUnresolvedUsingTypenameDecl(const UnresolvedUsingTypenameDecl *D);
void VisitUnresolvedUsingValueDecl(const UnresolvedUsingValueDecl *D);
void VisitUsingShadowDecl(const UsingShadowDecl *D);
void VisitLinkageSpecDecl(const LinkageSpecDecl *D);
void VisitAccessSpecDecl(const AccessSpecDecl *D);
void VisitFriendDecl(const FriendDecl *D);
// ObjC Decls
void VisitObjCIvarDecl(const ObjCIvarDecl *D);
void VisitObjCMethodDecl(const ObjCMethodDecl *D);
void VisitObjCCategoryDecl(const ObjCCategoryDecl *D);
void VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D);
void VisitObjCProtocolDecl(const ObjCProtocolDecl *D);
void VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D);
void VisitObjCImplementationDecl(const ObjCImplementationDecl *D);
void VisitObjCCompatibleAliasDecl(const ObjCCompatibleAliasDecl *D);
void VisitObjCPropertyDecl(const ObjCPropertyDecl *D);
void VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D);
void VisitBlockDecl(const BlockDecl *D);
// Stmts.
void VisitStmt(const Stmt *Node);
void VisitDeclStmt(const DeclStmt *Node);
void VisitAttributedStmt(const AttributedStmt *Node);
void VisitLabelStmt(const LabelStmt *Node);
void VisitGotoStmt(const GotoStmt *Node);
void VisitCXXCatchStmt(const CXXCatchStmt *Node);
// Exprs
void VisitExpr(const Expr *Node);
void VisitCastExpr(const CastExpr *Node);
void VisitDeclRefExpr(const DeclRefExpr *Node);
void VisitPredefinedExpr(const PredefinedExpr *Node);
void VisitCharacterLiteral(const CharacterLiteral *Node);
void VisitIntegerLiteral(const IntegerLiteral *Node);
void VisitFloatingLiteral(const FloatingLiteral *Node);
void VisitStringLiteral(const StringLiteral *Str);
void VisitUnaryOperator(const UnaryOperator *Node);
void VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *Node);
void VisitMemberExpr(const MemberExpr *Node);
void VisitExtVectorElementExpr(const ExtVectorElementExpr *Node);
void VisitBinaryOperator(const BinaryOperator *Node);
void VisitCompoundAssignOperator(const CompoundAssignOperator *Node);
void VisitAddrLabelExpr(const AddrLabelExpr *Node);
void VisitBlockExpr(const BlockExpr *Node);
void VisitOpaqueValueExpr(const OpaqueValueExpr *Node);
// C++
void VisitCXXNamedCastExpr(const CXXNamedCastExpr *Node);
void VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *Node);
void VisitCXXThisExpr(const CXXThisExpr *Node);
void VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *Node);
void VisitCXXConstructExpr(const CXXConstructExpr *Node);
void VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *Node);
void VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *Node);
void VisitExprWithCleanups(const ExprWithCleanups *Node);
void VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *Node);
void dumpCXXTemporary(const CXXTemporary *Temporary);
void VisitLambdaExpr(const LambdaExpr *Node) {
VisitExpr(Node);
dumpDecl(Node->getLambdaClass());
}
// ObjC
void VisitObjCAtCatchStmt(const ObjCAtCatchStmt *Node);
void VisitObjCEncodeExpr(const ObjCEncodeExpr *Node);
void VisitObjCMessageExpr(const ObjCMessageExpr *Node);
void VisitObjCBoxedExpr(const ObjCBoxedExpr *Node);
void VisitObjCSelectorExpr(const ObjCSelectorExpr *Node);
void VisitObjCProtocolExpr(const ObjCProtocolExpr *Node);
void VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *Node);
void VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *Node);
void VisitObjCIvarRefExpr(const ObjCIvarRefExpr *Node);
void VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *Node);
// Comments.
const char *getCommandName(unsigned CommandID);
void dumpComment(const Comment *C);
// Inline comments.
void visitTextComment(const TextComment *C);
void visitInlineCommandComment(const InlineCommandComment *C);
void visitHTMLStartTagComment(const HTMLStartTagComment *C);
void visitHTMLEndTagComment(const HTMLEndTagComment *C);
// Block comments.
void visitBlockCommandComment(const BlockCommandComment *C);
void visitParamCommandComment(const ParamCommandComment *C);
void visitTParamCommandComment(const TParamCommandComment *C);
void visitVerbatimBlockComment(const VerbatimBlockComment *C);
void visitVerbatimBlockLineComment(const VerbatimBlockLineComment *C);
void visitVerbatimLineComment(const VerbatimLineComment *C);
};
}
//===----------------------------------------------------------------------===//
// Utilities
//===----------------------------------------------------------------------===//
// Print out the appropriate tree structure using the Indents vector.
// Example of tree and the Indents vector at each level.
// A { }
// |-B { IT_Child }
// | `-C { IT_Child, IT_LastChild }
// `-D { IT_LastChild }
// |-E { IT_LastChild, IT_Child }
// `-F { IT_LastChild, IT_LastChild }
// Type non-last element, last element
// IT_Child "| " "|-"
// IT_LastChild " " "`-"
void ASTDumper::indent() {
if (IsFirstLine)
IsFirstLine = false;
else
OS << "\n";
ColorScope Color(*this, IndentColor);
for (SmallVectorImpl<IndentType>::const_iterator I = Indents.begin(),
E = Indents.end();
I != E; ++I) {
switch (*I) {
case IT_Child:
if (I == E - 1)
OS << "|-";
else
OS << "| ";
continue;
case IT_LastChild:
if (I == E - 1)
OS << "`-";
else
OS << " ";
continue;
}
llvm_unreachable("Invalid IndentType");
}
Indents.push_back(IT_Child);
}
void ASTDumper::unindent() {
Indents.pop_back();
}
// Call before each potential last child node is to be dumped. If MoreChildren
// is false, then this is the last child, otherwise treat as a regular node.
void ASTDumper::lastChild() {
if (!hasMoreChildren())
Indents.back() = IT_LastChild;
}
// MoreChildren should be set before calling another function that may print
// additional nodes to prevent conflicting final child nodes.
bool ASTDumper::hasMoreChildren() {
return MoreChildren;
}
void ASTDumper::setMoreChildren(bool Value) {
MoreChildren = Value;
}
void ASTDumper::dumpPointer(const void *Ptr) {
ColorScope Color(*this, AddressColor);
OS << ' ' << Ptr;
}
void ASTDumper::dumpLocation(SourceLocation Loc) {
ColorScope Color(*this, LocationColor);
SourceLocation SpellingLoc = SM->getSpellingLoc(Loc);
// The general format we print out is filename:line:col, but we drop pieces
// that haven't changed since the last loc printed.
PresumedLoc PLoc = SM->getPresumedLoc(SpellingLoc);
if (PLoc.isInvalid()) {
OS << "<invalid sloc>";
return;
}
if (strcmp(PLoc.getFilename(), LastLocFilename) != 0) {
OS << PLoc.getFilename() << ':' << PLoc.getLine()
<< ':' << PLoc.getColumn();
LastLocFilename = PLoc.getFilename();
LastLocLine = PLoc.getLine();
} else if (PLoc.getLine() != LastLocLine) {
OS << "line" << ':' << PLoc.getLine()
<< ':' << PLoc.getColumn();
LastLocLine = PLoc.getLine();
} else {
OS << "col" << ':' << PLoc.getColumn();
}
}
void ASTDumper::dumpSourceRange(SourceRange R) {
// Can't translate locations if a SourceManager isn't available.
if (!SM)
return;
OS << " <";
dumpLocation(R.getBegin());
if (R.getBegin() != R.getEnd()) {
OS << ", ";
dumpLocation(R.getEnd());
}
OS << ">";
// <t2.c:123:421[blah], t2.c:412:321>
}
void ASTDumper::dumpBareType(QualType T) {
ColorScope Color(*this, TypeColor);
SplitQualType T_split = T.split();
OS << "'" << QualType::getAsString(T_split) << "'";
if (!T.isNull()) {
// If the type is sugared, also dump a (shallow) desugared type.
SplitQualType D_split = T.getSplitDesugaredType();
if (T_split != D_split)
OS << ":'" << QualType::getAsString(D_split) << "'";
}
}
void ASTDumper::dumpType(QualType T) {
OS << ' ';
dumpBareType(T);
}
void ASTDumper::dumpBareDeclRef(const Decl *D) {
{
ColorScope Color(*this, DeclKindNameColor);
OS << D->getDeclKindName();
}
dumpPointer(D);
if (const NamedDecl *ND = dyn_cast<NamedDecl>(D)) {
ColorScope Color(*this, DeclNameColor);
OS << " '" << ND->getDeclName() << '\'';
}
if (const ValueDecl *VD = dyn_cast<ValueDecl>(D))
dumpType(VD->getType());
}
void ASTDumper::dumpDeclRef(const Decl *D, const char *Label) {
if (!D)
return;
IndentScope Indent(*this);
if (Label)
OS << Label << ' ';
dumpBareDeclRef(D);
}
void ASTDumper::dumpName(const NamedDecl *ND) {
if (ND->getDeclName()) {
ColorScope Color(*this, DeclNameColor);
OS << ' ' << ND->getNameAsString();
}
}
bool ASTDumper::hasNodes(const DeclContext *DC) {
if (!DC)
return false;
return DC->hasExternalLexicalStorage() ||
DC->noload_decls_begin() != DC->noload_decls_end();
}
void ASTDumper::dumpDeclContext(const DeclContext *DC) {
if (!DC)
return;
bool HasUndeserializedDecls = DC->hasExternalLexicalStorage();
for (DeclContext::decl_iterator I = DC->noload_decls_begin(),
E = DC->noload_decls_end();
I != E; ++I) {
DeclContext::decl_iterator Next = I;
++Next;
if (Next == E && !HasUndeserializedDecls)
lastChild();
dumpDecl(*I);
}
if (HasUndeserializedDecls) {
lastChild();
IndentScope Indent(*this);
ColorScope Color(*this, UndeserializedColor);
OS << "<undeserialized declarations>";
}
}
void ASTDumper::dumpLookups(const DeclContext *DC) {
IndentScope Indent(*this);
OS << "StoredDeclsMap ";
dumpBareDeclRef(cast<Decl>(DC));
const DeclContext *Primary = DC->getPrimaryContext();
if (Primary != DC) {
OS << " primary";
dumpPointer(cast<Decl>(Primary));
}
bool HasUndeserializedLookups = Primary->hasExternalVisibleStorage();
DeclContext::all_lookups_iterator I = Primary->noload_lookups_begin(),
E = Primary->noload_lookups_end();
while (I != E) {
DeclarationName Name = I.getLookupName();
DeclContextLookupResult R = *I++;
if (I == E && !HasUndeserializedLookups)
lastChild();
IndentScope Indent(*this);
OS << "DeclarationName ";
{
ColorScope Color(*this, DeclNameColor);
OS << '\'' << Name << '\'';
}
for (DeclContextLookupResult::iterator RI = R.begin(), RE = R.end();
RI != RE; ++RI) {
if (RI + 1 == RE)
lastChild();
dumpDeclRef(*RI);
if ((*RI)->isHidden())
OS << " hidden";
}
}
if (HasUndeserializedLookups) {
lastChild();
IndentScope Indent(*this);
ColorScope Color(*this, UndeserializedColor);
OS << "<undeserialized lookups>";
}
}
void ASTDumper::dumpAttr(const Attr *A) {
IndentScope Indent(*this);
{
ColorScope Color(*this, AttrColor);
switch (A->getKind()) {
#define ATTR(X) case attr::X: OS << #X; break;
#include "clang/Basic/AttrList.inc"
default: llvm_unreachable("unexpected attribute kind");
}
OS << "Attr";
}
dumpPointer(A);
dumpSourceRange(A->getRange());
#include "clang/AST/AttrDump.inc"
}
static void dumpPreviousDeclImpl(raw_ostream &OS, ...) {}
template<typename T>
static void dumpPreviousDeclImpl(raw_ostream &OS, const Mergeable<T> *D) {
const T *First = D->getFirstDecl();
if (First != D)
OS << " first " << First;
}
template<typename T>
static void dumpPreviousDeclImpl(raw_ostream &OS, const Redeclarable<T> *D) {
const T *Prev = D->getPreviousDecl();
if (Prev)
OS << " prev " << Prev;
}
/// Dump the previous declaration in the redeclaration chain for a declaration,
/// if any.
static void dumpPreviousDecl(raw_ostream &OS, const Decl *D) {
switch (D->getKind()) {
#define DECL(DERIVED, BASE) \
case Decl::DERIVED: \
return dumpPreviousDeclImpl(OS, cast<DERIVED##Decl>(D));
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"
}
llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
}
//===----------------------------------------------------------------------===//
// C++ Utilities
//===----------------------------------------------------------------------===//
void ASTDumper::dumpAccessSpecifier(AccessSpecifier AS) {
switch (AS) {
case AS_none:
break;
case AS_public:
OS << "public";
break;
case AS_protected:
OS << "protected";
break;
case AS_private:
OS << "private";
break;
}
}
void ASTDumper::dumpCXXCtorInitializer(const CXXCtorInitializer *Init) {
IndentScope Indent(*this);
OS << "CXXCtorInitializer";
if (Init->isAnyMemberInitializer()) {
OS << ' ';
dumpBareDeclRef(Init->getAnyMember());
} else {
dumpType(QualType(Init->getBaseClass(), 0));
}
dumpStmt(Init->getInit());
}
void ASTDumper::dumpTemplateParameters(const TemplateParameterList *TPL) {
if (!TPL)
return;
for (TemplateParameterList::const_iterator I = TPL->begin(), E = TPL->end();
I != E; ++I)
dumpDecl(*I);
}
void ASTDumper::dumpTemplateArgumentListInfo(
const TemplateArgumentListInfo &TALI) {
for (unsigned i = 0, e = TALI.size(); i < e; ++i) {
if (i + 1 == e)
lastChild();
dumpTemplateArgumentLoc(TALI[i]);
}
}
void ASTDumper::dumpTemplateArgumentLoc(const TemplateArgumentLoc &A) {
dumpTemplateArgument(A.getArgument(), A.getSourceRange());
}
void ASTDumper::dumpTemplateArgumentList(const TemplateArgumentList &TAL) {
for (unsigned i = 0, e = TAL.size(); i < e; ++i)
dumpTemplateArgument(TAL[i]);
}
void ASTDumper::dumpTemplateArgument(const TemplateArgument &A, SourceRange R) {
IndentScope Indent(*this);
OS << "TemplateArgument";
if (R.isValid())
dumpSourceRange(R);
switch (A.getKind()) {
case TemplateArgument::Null:
OS << " null";
break;
case TemplateArgument::Type:
OS << " type";
lastChild();
dumpType(A.getAsType());
break;
case TemplateArgument::Declaration:
OS << " decl";
lastChild();
dumpDeclRef(A.getAsDecl());
break;
case TemplateArgument::NullPtr:
OS << " nullptr";
break;
case TemplateArgument::Integral:
OS << " integral " << A.getAsIntegral();
break;
case TemplateArgument::Template:
OS << " template ";
A.getAsTemplate().dump(OS);
break;
case TemplateArgument::TemplateExpansion:
OS << " template expansion";
A.getAsTemplateOrTemplatePattern().dump(OS);
break;
case TemplateArgument::Expression:
OS << " expr";
lastChild();
dumpStmt(A.getAsExpr());
break;
case TemplateArgument::Pack:
OS << " pack";
for (TemplateArgument::pack_iterator I = A.pack_begin(), E = A.pack_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpTemplateArgument(*I);
}
break;
}
}
//===----------------------------------------------------------------------===//
// Decl dumping methods.
//===----------------------------------------------------------------------===//
void ASTDumper::dumpDecl(const Decl *D) {
IndentScope Indent(*this);
if (!D) {
ColorScope Color(*this, NullColor);
OS << "<<<NULL>>>";
return;
}
{
ColorScope Color(*this, DeclKindNameColor);
OS << D->getDeclKindName() << "Decl";
}
dumpPointer(D);
if (D->getLexicalDeclContext() != D->getDeclContext())
OS << " parent " << cast<Decl>(D->getDeclContext());
dumpPreviousDecl(OS, D);
dumpSourceRange(D->getSourceRange());
if (Module *M = D->getOwningModule())
OS << " in " << M->getFullModuleName();
if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
if (ND->isHidden())
OS << " hidden";
bool HasAttrs = D->attr_begin() != D->attr_end();
const FullComment *Comment =
D->getASTContext().getLocalCommentForDeclUncached(D);
// Decls within functions are visited by the body
bool HasDeclContext = !isa<FunctionDecl>(*D) && !isa<ObjCMethodDecl>(*D) &&
hasNodes(dyn_cast<DeclContext>(D));
setMoreChildren(HasAttrs || Comment || HasDeclContext);
ConstDeclVisitor<ASTDumper>::Visit(D);
setMoreChildren(Comment || HasDeclContext);
for (Decl::attr_iterator I = D->attr_begin(), E = D->attr_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpAttr(*I);
}
setMoreChildren(HasDeclContext);
lastChild();
dumpFullComment(Comment);
if (D->isInvalidDecl())
OS << " invalid";
setMoreChildren(false);
if (HasDeclContext)
dumpDeclContext(cast<DeclContext>(D));
}
void ASTDumper::VisitLabelDecl(const LabelDecl *D) {
dumpName(D);
}
void ASTDumper::VisitTypedefDecl(const TypedefDecl *D) {
dumpName(D);
dumpType(D->getUnderlyingType());
if (D->isModulePrivate())
OS << " __module_private__";
}
void ASTDumper::VisitEnumDecl(const EnumDecl *D) {
if (D->isScoped()) {
if (D->isScopedUsingClassTag())
OS << " class";
else
OS << " struct";
}
dumpName(D);
if (D->isModulePrivate())
OS << " __module_private__";
if (D->isFixed())
dumpType(D->getIntegerType());
}
void ASTDumper::VisitRecordDecl(const RecordDecl *D) {
OS << ' ' << D->getKindName();
dumpName(D);
if (D->isModulePrivate())
OS << " __module_private__";
if (D->isCompleteDefinition())
OS << " definition";
}
void ASTDumper::VisitEnumConstantDecl(const EnumConstantDecl *D) {
dumpName(D);
dumpType(D->getType());
if (const Expr *Init = D->getInitExpr()) {
lastChild();
dumpStmt(Init);
}
}
void ASTDumper::VisitIndirectFieldDecl(const IndirectFieldDecl *D) {
dumpName(D);
dumpType(D->getType());
for (IndirectFieldDecl::chain_iterator I = D->chain_begin(),
E = D->chain_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDeclRef(*I);
}
}
void ASTDumper::VisitFunctionDecl(const FunctionDecl *D) {
dumpName(D);
dumpType(D->getType());
StorageClass SC = D->getStorageClass();
if (SC != SC_None)
OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
if (D->isInlineSpecified())
OS << " inline";
if (D->isVirtualAsWritten())
OS << " virtual";
if (D->isModulePrivate())
OS << " __module_private__";
if (D->isPure())
OS << " pure";
else if (D->isDeletedAsWritten())
OS << " delete";
if (const FunctionProtoType *FPT = D->getType()->getAs<FunctionProtoType>()) {
FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
switch (EPI.ExceptionSpecType) {
default: break;
case EST_Unevaluated:
OS << " noexcept-unevaluated " << EPI.ExceptionSpecDecl;
break;
case EST_Uninstantiated:
OS << " noexcept-uninstantiated " << EPI.ExceptionSpecTemplate;
break;
}
}
bool OldMoreChildren = hasMoreChildren();
const FunctionTemplateSpecializationInfo *FTSI =
D->getTemplateSpecializationInfo();
bool HasTemplateSpecialization = FTSI;
bool HasNamedDecls = D->getDeclsInPrototypeScope().begin() !=
D->getDeclsInPrototypeScope().end();
bool HasFunctionDecls = D->param_begin() != D->param_end();
const CXXConstructorDecl *C = dyn_cast<CXXConstructorDecl>(D);
bool HasCtorInitializers = C && C->init_begin() != C->init_end();
bool HasDeclarationBody = D->doesThisDeclarationHaveABody();
setMoreChildren(OldMoreChildren || HasNamedDecls || HasFunctionDecls ||
HasCtorInitializers || HasDeclarationBody);
if (HasTemplateSpecialization) {
lastChild();
dumpTemplateArgumentList(*FTSI->TemplateArguments);
}
setMoreChildren(OldMoreChildren || HasFunctionDecls ||
HasCtorInitializers || HasDeclarationBody);
for (ArrayRef<NamedDecl *>::iterator
I = D->getDeclsInPrototypeScope().begin(),
E = D->getDeclsInPrototypeScope().end(); I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDecl(*I);
}
setMoreChildren(OldMoreChildren || HasCtorInitializers || HasDeclarationBody);
for (FunctionDecl::param_const_iterator I = D->param_begin(),
E = D->param_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDecl(*I);
}
setMoreChildren(OldMoreChildren || HasDeclarationBody);
if (HasCtorInitializers)
for (CXXConstructorDecl::init_const_iterator I = C->init_begin(),
E = C->init_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpCXXCtorInitializer(*I);
}
setMoreChildren(OldMoreChildren);
if (HasDeclarationBody) {
lastChild();
dumpStmt(D->getBody());
}
}
void ASTDumper::VisitFieldDecl(const FieldDecl *D) {
dumpName(D);
dumpType(D->getType());
if (D->isMutable())
OS << " mutable";
if (D->isModulePrivate())
OS << " __module_private__";
bool OldMoreChildren = hasMoreChildren();
bool IsBitField = D->isBitField();
Expr *Init = D->getInClassInitializer();
bool HasInit = Init;
setMoreChildren(OldMoreChildren || HasInit);
if (IsBitField) {
lastChild();
dumpStmt(D->getBitWidth());
}
setMoreChildren(OldMoreChildren);
if (HasInit) {
lastChild();
dumpStmt(Init);
}
}
void ASTDumper::VisitVarDecl(const VarDecl *D) {
dumpName(D);
dumpType(D->getType());
StorageClass SC = D->getStorageClass();
if (SC != SC_None)
OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
switch (D->getTLSKind()) {
case VarDecl::TLS_None: break;
case VarDecl::TLS_Static: OS << " tls"; break;
case VarDecl::TLS_Dynamic: OS << " tls_dynamic"; break;
}
if (D->isModulePrivate())
OS << " __module_private__";
if (D->isNRVOVariable())
OS << " nrvo";
if (D->hasInit()) {
lastChild();
dumpStmt(D->getInit());
}
}
void ASTDumper::VisitFileScopeAsmDecl(const FileScopeAsmDecl *D) {
lastChild();
dumpStmt(D->getAsmString());
}
void ASTDumper::VisitImportDecl(const ImportDecl *D) {
OS << ' ' << D->getImportedModule()->getFullModuleName();
}
//===----------------------------------------------------------------------===//
// C++ Declarations
//===----------------------------------------------------------------------===//
void ASTDumper::VisitNamespaceDecl(const NamespaceDecl *D) {
dumpName(D);
if (D->isInline())
OS << " inline";
if (!D->isOriginalNamespace())
dumpDeclRef(D->getOriginalNamespace(), "original");
}
void ASTDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) {
OS << ' ';
dumpBareDeclRef(D->getNominatedNamespace());
}
void ASTDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) {
dumpName(D);
dumpDeclRef(D->getAliasedNamespace());
}
void ASTDumper::VisitTypeAliasDecl(const TypeAliasDecl *D) {
dumpName(D);
dumpType(D->getUnderlyingType());
}
void ASTDumper::VisitTypeAliasTemplateDecl(const TypeAliasTemplateDecl *D) {
dumpName(D);
dumpTemplateParameters(D->getTemplateParameters());
dumpDecl(D->getTemplatedDecl());
}
void ASTDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
VisitRecordDecl(D);
if (!D->isCompleteDefinition())
return;
for (CXXRecordDecl::base_class_const_iterator I = D->bases_begin(),
E = D->bases_end();
I != E; ++I) {
IndentScope Indent(*this);
if (I->isVirtual())
OS << "virtual ";
dumpAccessSpecifier(I->getAccessSpecifier());
dumpType(I->getType());
if (I->isPackExpansion())
OS << "...";
}
}
void ASTDumper::VisitStaticAssertDecl(const StaticAssertDecl *D) {
dumpStmt(D->getAssertExpr());
lastChild();
dumpStmt(D->getMessage());
}
void ASTDumper::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
dumpName(D);
dumpTemplateParameters(D->getTemplateParameters());
dumpDecl(D->getTemplatedDecl());
for (FunctionTemplateDecl::spec_iterator I = D->spec_begin(),
E = D->spec_end();
I != E; ++I) {
FunctionTemplateDecl::spec_iterator Next = I;
++Next;
if (Next == E)
lastChild();
switch (I->getTemplateSpecializationKind()) {
case TSK_Undeclared:
case TSK_ImplicitInstantiation:
case TSK_ExplicitInstantiationDeclaration:
case TSK_ExplicitInstantiationDefinition:
if (D == D->getCanonicalDecl())
dumpDecl(*I);
else
dumpDeclRef(*I);
break;
case TSK_ExplicitSpecialization:
dumpDeclRef(*I);
break;
}
}
}
void ASTDumper::VisitClassTemplateDecl(const ClassTemplateDecl *D) {
dumpName(D);
dumpTemplateParameters(D->getTemplateParameters());
ClassTemplateDecl::spec_iterator I = D->spec_begin();
ClassTemplateDecl::spec_iterator E = D->spec_end();
if (I == E)
lastChild();
dumpDecl(D->getTemplatedDecl());
for (; I != E; ++I) {
ClassTemplateDecl::spec_iterator Next = I;
++Next;
if (Next == E)
lastChild();
switch (I->getTemplateSpecializationKind()) {
case TSK_Undeclared:
case TSK_ImplicitInstantiation:
if (D == D->getCanonicalDecl())
dumpDecl(*I);
else
dumpDeclRef(*I);
break;
case TSK_ExplicitSpecialization:
case TSK_ExplicitInstantiationDeclaration:
case TSK_ExplicitInstantiationDefinition:
dumpDeclRef(*I);
break;
}
}
}
void ASTDumper::VisitClassTemplateSpecializationDecl(
const ClassTemplateSpecializationDecl *D) {
VisitCXXRecordDecl(D);
dumpTemplateArgumentList(D->getTemplateArgs());
}
void ASTDumper::VisitClassTemplatePartialSpecializationDecl(
const ClassTemplatePartialSpecializationDecl *D) {
VisitClassTemplateSpecializationDecl(D);
dumpTemplateParameters(D->getTemplateParameters());
}
void ASTDumper::VisitClassScopeFunctionSpecializationDecl(
const ClassScopeFunctionSpecializationDecl *D) {
dumpDeclRef(D->getSpecialization());
if (D->hasExplicitTemplateArgs())
dumpTemplateArgumentListInfo(D->templateArgs());
}
void ASTDumper::VisitVarTemplateDecl(const VarTemplateDecl *D) {
dumpName(D);
dumpTemplateParameters(D->getTemplateParameters());
VarTemplateDecl::spec_iterator I = D->spec_begin();
VarTemplateDecl::spec_iterator E = D->spec_end();
if (I == E)
lastChild();
dumpDecl(D->getTemplatedDecl());
for (; I != E; ++I) {
VarTemplateDecl::spec_iterator Next = I;
++Next;
if (Next == E)
lastChild();
switch (I->getTemplateSpecializationKind()) {
case TSK_Undeclared:
case TSK_ImplicitInstantiation:
if (D == D->getCanonicalDecl())
dumpDecl(*I);
else
dumpDeclRef(*I);
break;
case TSK_ExplicitSpecialization:
case TSK_ExplicitInstantiationDeclaration:
case TSK_ExplicitInstantiationDefinition:
dumpDeclRef(*I);
break;
}
}
}
void ASTDumper::VisitVarTemplateSpecializationDecl(
const VarTemplateSpecializationDecl *D) {
dumpTemplateArgumentList(D->getTemplateArgs());
VisitVarDecl(D);
}
void ASTDumper::VisitVarTemplatePartialSpecializationDecl(
const VarTemplatePartialSpecializationDecl *D) {
dumpTemplateParameters(D->getTemplateParameters());
VisitVarTemplateSpecializationDecl(D);
}
void ASTDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
if (D->wasDeclaredWithTypename())
OS << " typename";
else
OS << " class";
if (D->isParameterPack())
OS << " ...";
dumpName(D);
if (D->hasDefaultArgument())
dumpType(D->getDefaultArgument());
}
void ASTDumper::VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl *D) {
dumpType(D->getType());
if (D->isParameterPack())
OS << " ...";
dumpName(D);
if (D->hasDefaultArgument())
dumpStmt(D->getDefaultArgument());
}
void ASTDumper::VisitTemplateTemplateParmDecl(
const TemplateTemplateParmDecl *D) {
if (D->isParameterPack())
OS << " ...";
dumpName(D);
dumpTemplateParameters(D->getTemplateParameters());
if (D->hasDefaultArgument())
dumpTemplateArgumentLoc(D->getDefaultArgument());
}
void ASTDumper::VisitUsingDecl(const UsingDecl *D) {
OS << ' ';
D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
OS << D->getNameAsString();
}
void ASTDumper::VisitUnresolvedUsingTypenameDecl(
const UnresolvedUsingTypenameDecl *D) {
OS << ' ';
D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
OS << D->getNameAsString();
}
void ASTDumper::VisitUnresolvedUsingValueDecl(const UnresolvedUsingValueDecl *D) {
OS << ' ';
D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
OS << D->getNameAsString();
dumpType(D->getType());
}
void ASTDumper::VisitUsingShadowDecl(const UsingShadowDecl *D) {
OS << ' ';
dumpBareDeclRef(D->getTargetDecl());
}
void ASTDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *D) {
switch (D->getLanguage()) {
case LinkageSpecDecl::lang_c: OS << " C"; break;
case LinkageSpecDecl::lang_cxx: OS << " C++"; break;
}
}
void ASTDumper::VisitAccessSpecDecl(const AccessSpecDecl *D) {
OS << ' ';
dumpAccessSpecifier(D->getAccess());
}
void ASTDumper::VisitFriendDecl(const FriendDecl *D) {
lastChild();
if (TypeSourceInfo *T = D->getFriendType())
dumpType(T->getType());
else
dumpDecl(D->getFriendDecl());
}
//===----------------------------------------------------------------------===//
// Obj-C Declarations
//===----------------------------------------------------------------------===//
void ASTDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
dumpName(D);
dumpType(D->getType());
if (D->getSynthesize())
OS << " synthesize";
if (D->getBackingIvarReferencedInAccessor())
OS << " BackingIvarReferencedInAccessor";
switch (D->getAccessControl()) {
case ObjCIvarDecl::None:
OS << " none";
break;
case ObjCIvarDecl::Private:
OS << " private";
break;
case ObjCIvarDecl::Protected:
OS << " protected";
break;
case ObjCIvarDecl::Public:
OS << " public";
break;
case ObjCIvarDecl::Package:
OS << " package";
break;
}
}
void ASTDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
if (D->isInstanceMethod())
OS << " -";
else
OS << " +";
dumpName(D);
dumpType(D->getResultType());
bool OldMoreChildren = hasMoreChildren();
bool IsVariadic = D->isVariadic();
bool HasBody = D->hasBody();
setMoreChildren(OldMoreChildren || IsVariadic || HasBody);
if (D->isThisDeclarationADefinition()) {
lastChild();
dumpDeclContext(D);
} else {
for (ObjCMethodDecl::param_const_iterator I = D->param_begin(),
E = D->param_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDecl(*I);
}
}
setMoreChildren(OldMoreChildren || HasBody);
if (IsVariadic) {
lastChild();
IndentScope Indent(*this);
OS << "...";
}
setMoreChildren(OldMoreChildren);
if (HasBody) {
lastChild();
dumpStmt(D->getBody());
}
}
void ASTDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
dumpName(D);
dumpDeclRef(D->getClassInterface());
if (D->protocol_begin() == D->protocol_end())
lastChild();
dumpDeclRef(D->getImplementation());
for (ObjCCategoryDecl::protocol_iterator I = D->protocol_begin(),
E = D->protocol_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDeclRef(*I);
}
}
void ASTDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
dumpName(D);
dumpDeclRef(D->getClassInterface());
lastChild();
dumpDeclRef(D->getCategoryDecl());
}
void ASTDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
dumpName(D);
for (ObjCProtocolDecl::protocol_iterator I = D->protocol_begin(),
E = D->protocol_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDeclRef(*I);
}
}
void ASTDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
dumpName(D);
dumpDeclRef(D->getSuperClass(), "super");
if (D->protocol_begin() == D->protocol_end())
lastChild();
dumpDeclRef(D->getImplementation());
for (ObjCInterfaceDecl::protocol_iterator I = D->protocol_begin(),
E = D->protocol_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDeclRef(*I);
}
}
void ASTDumper::VisitObjCImplementationDecl(const ObjCImplementationDecl *D) {
dumpName(D);
dumpDeclRef(D->getSuperClass(), "super");
if (D->init_begin() == D->init_end())
lastChild();
dumpDeclRef(D->getClassInterface());
for (ObjCImplementationDecl::init_const_iterator I = D->init_begin(),
E = D->init_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpCXXCtorInitializer(*I);
}
}
void ASTDumper::VisitObjCCompatibleAliasDecl(const ObjCCompatibleAliasDecl *D) {
dumpName(D);
lastChild();
dumpDeclRef(D->getClassInterface());
}
void ASTDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
dumpName(D);
dumpType(D->getType());
if (D->getPropertyImplementation() == ObjCPropertyDecl::Required)
OS << " required";
else if (D->getPropertyImplementation() == ObjCPropertyDecl::Optional)
OS << " optional";
ObjCPropertyDecl::PropertyAttributeKind Attrs = D->getPropertyAttributes();
if (Attrs != ObjCPropertyDecl::OBJC_PR_noattr) {
if (Attrs & ObjCPropertyDecl::OBJC_PR_readonly)
OS << " readonly";
if (Attrs & ObjCPropertyDecl::OBJC_PR_assign)
OS << " assign";
if (Attrs & ObjCPropertyDecl::OBJC_PR_readwrite)
OS << " readwrite";
if (Attrs & ObjCPropertyDecl::OBJC_PR_retain)
OS << " retain";
if (Attrs & ObjCPropertyDecl::OBJC_PR_copy)
OS << " copy";
if (Attrs & ObjCPropertyDecl::OBJC_PR_nonatomic)
OS << " nonatomic";
if (Attrs & ObjCPropertyDecl::OBJC_PR_atomic)
OS << " atomic";
if (Attrs & ObjCPropertyDecl::OBJC_PR_weak)
OS << " weak";
if (Attrs & ObjCPropertyDecl::OBJC_PR_strong)
OS << " strong";
if (Attrs & ObjCPropertyDecl::OBJC_PR_unsafe_unretained)
OS << " unsafe_unretained";
if (Attrs & ObjCPropertyDecl::OBJC_PR_getter) {
if (!(Attrs & ObjCPropertyDecl::OBJC_PR_setter))
lastChild();
dumpDeclRef(D->getGetterMethodDecl(), "getter");
}
if (Attrs & ObjCPropertyDecl::OBJC_PR_setter) {
lastChild();
dumpDeclRef(D->getSetterMethodDecl(), "setter");
}
}
}
void ASTDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
dumpName(D->getPropertyDecl());
if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
OS << " synthesize";
else
OS << " dynamic";
dumpDeclRef(D->getPropertyDecl());
lastChild();
dumpDeclRef(D->getPropertyIvarDecl());
}
void ASTDumper::VisitBlockDecl(const BlockDecl *D) {
for (BlockDecl::param_const_iterator I = D->param_begin(), E = D->param_end();
I != E; ++I)
dumpDecl(*I);
if (D->isVariadic()) {
IndentScope Indent(*this);
OS << "...";
}
if (D->capturesCXXThis()) {
IndentScope Indent(*this);
OS << "capture this";
}
for (BlockDecl::capture_iterator I = D->capture_begin(), E = D->capture_end();
I != E; ++I) {
IndentScope Indent(*this);
OS << "capture";
if (I->isByRef())
OS << " byref";
if (I->isNested())
OS << " nested";
if (I->getVariable()) {
OS << ' ';
dumpBareDeclRef(I->getVariable());
}
if (I->hasCopyExpr())
dumpStmt(I->getCopyExpr());
}
lastChild();
dumpStmt(D->getBody());
}
//===----------------------------------------------------------------------===//
// Stmt dumping methods.
//===----------------------------------------------------------------------===//
void ASTDumper::dumpStmt(const Stmt *S) {
IndentScope Indent(*this);
if (!S) {
ColorScope Color(*this, NullColor);
OS << "<<<NULL>>>";
return;
}
if (const DeclStmt *DS = dyn_cast<DeclStmt>(S)) {
VisitDeclStmt(DS);
return;
}
setMoreChildren(!S->children().empty());
ConstStmtVisitor<ASTDumper>::Visit(S);
setMoreChildren(false);
for (Stmt::const_child_range CI = S->children(); CI; ++CI) {
Stmt::const_child_range Next = CI;
++Next;
if (!Next)
lastChild();
dumpStmt(*CI);
}
}
void ASTDumper::VisitStmt(const Stmt *Node) {
{
ColorScope Color(*this, StmtColor);
OS << Node->getStmtClassName();
}
dumpPointer(Node);
dumpSourceRange(Node->getSourceRange());
}
void ASTDumper::VisitDeclStmt(const DeclStmt *Node) {
VisitStmt(Node);
for (DeclStmt::const_decl_iterator I = Node->decl_begin(),
E = Node->decl_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpDecl(*I);
}
}
void ASTDumper::VisitAttributedStmt(const AttributedStmt *Node) {
VisitStmt(Node);
for (ArrayRef<const Attr *>::iterator I = Node->getAttrs().begin(),
E = Node->getAttrs().end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpAttr(*I);
}
}
void ASTDumper::VisitLabelStmt(const LabelStmt *Node) {
VisitStmt(Node);
OS << " '" << Node->getName() << "'";
}
void ASTDumper::VisitGotoStmt(const GotoStmt *Node) {
VisitStmt(Node);
OS << " '" << Node->getLabel()->getName() << "'";
dumpPointer(Node->getLabel());
}
void ASTDumper::VisitCXXCatchStmt(const CXXCatchStmt *Node) {
VisitStmt(Node);
dumpDecl(Node->getExceptionDecl());
}
//===----------------------------------------------------------------------===//
// Expr dumping methods.
//===----------------------------------------------------------------------===//
void ASTDumper::VisitExpr(const Expr *Node) {
VisitStmt(Node);
dumpType(Node->getType());
{
ColorScope Color(*this, ValueKindColor);
switch (Node->getValueKind()) {
case VK_RValue:
break;
case VK_LValue:
OS << " lvalue";
break;
case VK_XValue:
OS << " xvalue";
break;
}
}
{
ColorScope Color(*this, ObjectKindColor);
switch (Node->getObjectKind()) {
case OK_Ordinary:
break;
case OK_BitField:
OS << " bitfield";
break;
case OK_ObjCProperty:
OS << " objcproperty";
break;
case OK_ObjCSubscript:
OS << " objcsubscript";
break;
case OK_VectorComponent:
OS << " vectorcomponent";
break;
}
}
}
static void dumpBasePath(raw_ostream &OS, const CastExpr *Node) {
if (Node->path_empty())
return;
OS << " (";
bool First = true;
for (CastExpr::path_const_iterator I = Node->path_begin(),
E = Node->path_end();
I != E; ++I) {
const CXXBaseSpecifier *Base = *I;
if (!First)
OS << " -> ";
const CXXRecordDecl *RD =
cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
if (Base->isVirtual())
OS << "virtual ";
OS << RD->getName();
First = false;
}
OS << ')';
}
void ASTDumper::VisitCastExpr(const CastExpr *Node) {
VisitExpr(Node);
OS << " <";
{
ColorScope Color(*this, CastColor);
OS << Node->getCastKindName();
}
dumpBasePath(OS, Node);
OS << ">";
}
void ASTDumper::VisitDeclRefExpr(const DeclRefExpr *Node) {
VisitExpr(Node);
OS << " ";
dumpBareDeclRef(Node->getDecl());
if (Node->getDecl() != Node->getFoundDecl()) {
OS << " (";
dumpBareDeclRef(Node->getFoundDecl());
OS << ")";
}
}
void ASTDumper::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *Node) {
VisitExpr(Node);
OS << " (";
if (!Node->requiresADL())
OS << "no ";
OS << "ADL) = '" << Node->getName() << '\'';
UnresolvedLookupExpr::decls_iterator
I = Node->decls_begin(), E = Node->decls_end();
if (I == E)
OS << " empty";
for (; I != E; ++I)
dumpPointer(*I);
}
void ASTDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *Node) {
VisitExpr(Node);
{
ColorScope Color(*this, DeclKindNameColor);
OS << " " << Node->getDecl()->getDeclKindName() << "Decl";
}
OS << "='" << *Node->getDecl() << "'";
dumpPointer(Node->getDecl());
if (Node->isFreeIvar())
OS << " isFreeIvar";
}
void ASTDumper::VisitPredefinedExpr(const PredefinedExpr *Node) {
VisitExpr(Node);
switch (Node->getIdentType()) {
default: llvm_unreachable("unknown case");
case PredefinedExpr::Func: OS << " __func__"; break;
case PredefinedExpr::Function: OS << " __FUNCTION__"; break;
case PredefinedExpr::FuncDName: OS << " __FUNCDNAME__"; break;
case PredefinedExpr::LFunction: OS << " L__FUNCTION__"; break;
case PredefinedExpr::PrettyFunction: OS << " __PRETTY_FUNCTION__";break;
}
}
void ASTDumper::VisitCharacterLiteral(const CharacterLiteral *Node) {
VisitExpr(Node);
ColorScope Color(*this, ValueColor);
OS << " " << Node->getValue();
}
void ASTDumper::VisitIntegerLiteral(const IntegerLiteral *Node) {
VisitExpr(Node);
bool isSigned = Node->getType()->isSignedIntegerType();
ColorScope Color(*this, ValueColor);
OS << " " << Node->getValue().toString(10, isSigned);
}
void ASTDumper::VisitFloatingLiteral(const FloatingLiteral *Node) {
VisitExpr(Node);
ColorScope Color(*this, ValueColor);
OS << " " << Node->getValueAsApproximateDouble();
}
void ASTDumper::VisitStringLiteral(const StringLiteral *Str) {
VisitExpr(Str);
ColorScope Color(*this, ValueColor);
OS << " ";
Str->outputString(OS);
}
void ASTDumper::VisitUnaryOperator(const UnaryOperator *Node) {
VisitExpr(Node);
OS << " " << (Node->isPostfix() ? "postfix" : "prefix")
<< " '" << UnaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
}
void ASTDumper::VisitUnaryExprOrTypeTraitExpr(
const UnaryExprOrTypeTraitExpr *Node) {
VisitExpr(Node);
switch(Node->getKind()) {
case UETT_SizeOf:
OS << " sizeof";
break;
case UETT_AlignOf:
OS << " alignof";
break;
case UETT_VecStep:
OS << " vec_step";
break;
}
if (Node->isArgumentType())
dumpType(Node->getArgumentType());
}
void ASTDumper::VisitMemberExpr(const MemberExpr *Node) {
VisitExpr(Node);
OS << " " << (Node->isArrow() ? "->" : ".") << *Node->getMemberDecl();
dumpPointer(Node->getMemberDecl());
}
void ASTDumper::VisitExtVectorElementExpr(const ExtVectorElementExpr *Node) {
VisitExpr(Node);
OS << " " << Node->getAccessor().getNameStart();
}
void ASTDumper::VisitBinaryOperator(const BinaryOperator *Node) {
VisitExpr(Node);
OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
}
void ASTDumper::VisitCompoundAssignOperator(
const CompoundAssignOperator *Node) {
VisitExpr(Node);
OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode())
<< "' ComputeLHSTy=";
dumpBareType(Node->getComputationLHSType());
OS << " ComputeResultTy=";
dumpBareType(Node->getComputationResultType());
}
void ASTDumper::VisitBlockExpr(const BlockExpr *Node) {
VisitExpr(Node);
dumpDecl(Node->getBlockDecl());
}
void ASTDumper::VisitOpaqueValueExpr(const OpaqueValueExpr *Node) {
VisitExpr(Node);
if (Expr *Source = Node->getSourceExpr()) {
lastChild();
dumpStmt(Source);
}
}
// GNU extensions.
void ASTDumper::VisitAddrLabelExpr(const AddrLabelExpr *Node) {
VisitExpr(Node);
OS << " " << Node->getLabel()->getName();
dumpPointer(Node->getLabel());
}
//===----------------------------------------------------------------------===//
// C++ Expressions
//===----------------------------------------------------------------------===//
void ASTDumper::VisitCXXNamedCastExpr(const CXXNamedCastExpr *Node) {
VisitExpr(Node);
OS << " " << Node->getCastName()
<< "<" << Node->getTypeAsWritten().getAsString() << ">"
<< " <" << Node->getCastKindName();
dumpBasePath(OS, Node);
OS << ">";
}
void ASTDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *Node) {
VisitExpr(Node);
OS << " " << (Node->getValue() ? "true" : "false");
}
void ASTDumper::VisitCXXThisExpr(const CXXThisExpr *Node) {
VisitExpr(Node);
OS << " this";
}
void ASTDumper::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *Node) {
VisitExpr(Node);
OS << " functional cast to " << Node->getTypeAsWritten().getAsString()
<< " <" << Node->getCastKindName() << ">";
}
void ASTDumper::VisitCXXConstructExpr(const CXXConstructExpr *Node) {
VisitExpr(Node);
CXXConstructorDecl *Ctor = Node->getConstructor();
dumpType(Ctor->getType());
if (Node->isElidable())
OS << " elidable";
if (Node->requiresZeroInitialization())
OS << " zeroing";
}
void ASTDumper::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *Node) {
VisitExpr(Node);
OS << " ";
dumpCXXTemporary(Node->getTemporary());
}
void
ASTDumper::VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *Node) {
VisitExpr(Node);
if (const ValueDecl *VD = Node->getExtendingDecl()) {
OS << " extended by ";
dumpBareDeclRef(VD);
}
}
void ASTDumper::VisitExprWithCleanups(const ExprWithCleanups *Node) {
VisitExpr(Node);
for (unsigned i = 0, e = Node->getNumObjects(); i != e; ++i)
dumpDeclRef(Node->getObject(i), "cleanup");
}
void ASTDumper::dumpCXXTemporary(const CXXTemporary *Temporary) {
OS << "(CXXTemporary";
dumpPointer(Temporary);
OS << ")";
}
//===----------------------------------------------------------------------===//
// Obj-C Expressions
//===----------------------------------------------------------------------===//
void ASTDumper::VisitObjCMessageExpr(const ObjCMessageExpr *Node) {
VisitExpr(Node);
OS << " selector=" << Node->getSelector().getAsString();
switch (Node->getReceiverKind()) {
case ObjCMessageExpr::Instance:
break;
case ObjCMessageExpr::Class:
OS << " class=";
dumpBareType(Node->getClassReceiver());
break;
case ObjCMessageExpr::SuperInstance:
OS << " super (instance)";
break;
case ObjCMessageExpr::SuperClass:
OS << " super (class)";
break;
}
}
void ASTDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *Node) {
VisitExpr(Node);
OS << " selector=" << Node->getBoxingMethod()->getSelector().getAsString();
}
void ASTDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *Node) {
VisitStmt(Node);
if (const VarDecl *CatchParam = Node->getCatchParamDecl())
dumpDecl(CatchParam);
else
OS << " catch all";
}
void ASTDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *Node) {
VisitExpr(Node);
dumpType(Node->getEncodedType());
}
void ASTDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *Node) {
VisitExpr(Node);
OS << " " << Node->getSelector().getAsString();
}
void ASTDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *Node) {
VisitExpr(Node);
OS << ' ' << *Node->getProtocol();
}
void ASTDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *Node) {
VisitExpr(Node);
if (Node->isImplicitProperty()) {
OS << " Kind=MethodRef Getter=\"";
if (Node->getImplicitPropertyGetter())
OS << Node->getImplicitPropertyGetter()->getSelector().getAsString();
else
OS << "(null)";
OS << "\" Setter=\"";
if (ObjCMethodDecl *Setter = Node->getImplicitPropertySetter())
OS << Setter->getSelector().getAsString();
else
OS << "(null)";
OS << "\"";
} else {
OS << " Kind=PropertyRef Property=\"" << *Node->getExplicitProperty() <<'"';
}
if (Node->isSuperReceiver())
OS << " super";
OS << " Messaging=";
if (Node->isMessagingGetter() && Node->isMessagingSetter())
OS << "Getter&Setter";
else if (Node->isMessagingGetter())
OS << "Getter";
else if (Node->isMessagingSetter())
OS << "Setter";
}
void ASTDumper::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *Node) {
VisitExpr(Node);
if (Node->isArraySubscriptRefExpr())
OS << " Kind=ArraySubscript GetterForArray=\"";
else
OS << " Kind=DictionarySubscript GetterForDictionary=\"";
if (Node->getAtIndexMethodDecl())
OS << Node->getAtIndexMethodDecl()->getSelector().getAsString();
else
OS << "(null)";
if (Node->isArraySubscriptRefExpr())
OS << "\" SetterForArray=\"";
else
OS << "\" SetterForDictionary=\"";
if (Node->setAtIndexMethodDecl())
OS << Node->setAtIndexMethodDecl()->getSelector().getAsString();
else
OS << "(null)";
}
void ASTDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *Node) {
VisitExpr(Node);
OS << " " << (Node->getValue() ? "__objc_yes" : "__objc_no");
}
//===----------------------------------------------------------------------===//
// Comments
//===----------------------------------------------------------------------===//
const char *ASTDumper::getCommandName(unsigned CommandID) {
if (Traits)
return Traits->getCommandInfo(CommandID)->Name;
const CommandInfo *Info = CommandTraits::getBuiltinCommandInfo(CommandID);
if (Info)
return Info->Name;
return "<not a builtin command>";
}
void ASTDumper::dumpFullComment(const FullComment *C) {
if (!C)
return;
FC = C;
dumpComment(C);
FC = 0;
}
void ASTDumper::dumpComment(const Comment *C) {
IndentScope Indent(*this);
if (!C) {
ColorScope Color(*this, NullColor);
OS << "<<<NULL>>>";
return;
}
{
ColorScope Color(*this, CommentColor);
OS << C->getCommentKindName();
}
dumpPointer(C);
dumpSourceRange(C->getSourceRange());
ConstCommentVisitor<ASTDumper>::visit(C);
for (Comment::child_iterator I = C->child_begin(), E = C->child_end();
I != E; ++I) {
if (I + 1 == E)
lastChild();
dumpComment(*I);
}
}
void ASTDumper::visitTextComment(const TextComment *C) {
OS << " Text=\"" << C->getText() << "\"";
}
void ASTDumper::visitInlineCommandComment(const InlineCommandComment *C) {
OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
switch (C->getRenderKind()) {
case InlineCommandComment::RenderNormal:
OS << " RenderNormal";
break;
case InlineCommandComment::RenderBold:
OS << " RenderBold";
break;
case InlineCommandComment::RenderMonospaced:
OS << " RenderMonospaced";
break;
case InlineCommandComment::RenderEmphasized:
OS << " RenderEmphasized";
break;
}
for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
}
void ASTDumper::visitHTMLStartTagComment(const HTMLStartTagComment *C) {
OS << " Name=\"" << C->getTagName() << "\"";
if (C->getNumAttrs() != 0) {
OS << " Attrs: ";
for (unsigned i = 0, e = C->getNumAttrs(); i != e; ++i) {
const HTMLStartTagComment::Attribute &Attr = C->getAttr(i);
OS << " \"" << Attr.Name << "=\"" << Attr.Value << "\"";
}
}
if (C->isSelfClosing())
OS << " SelfClosing";
}
void ASTDumper::visitHTMLEndTagComment(const HTMLEndTagComment *C) {
OS << " Name=\"" << C->getTagName() << "\"";
}
void ASTDumper::visitBlockCommandComment(const BlockCommandComment *C) {
OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
}
void ASTDumper::visitParamCommandComment(const ParamCommandComment *C) {
OS << " " << ParamCommandComment::getDirectionAsString(C->getDirection());
if (C->isDirectionExplicit())
OS << " explicitly";
else
OS << " implicitly";
if (C->hasParamName()) {
if (C->isParamIndexValid())
OS << " Param=\"" << C->getParamName(FC) << "\"";
else
OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
}
if (C->isParamIndexValid())
OS << " ParamIndex=" << C->getParamIndex();
}
void ASTDumper::visitTParamCommandComment(const TParamCommandComment *C) {
if (C->hasParamName()) {
if (C->isPositionValid())
OS << " Param=\"" << C->getParamName(FC) << "\"";
else
OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
}
if (C->isPositionValid()) {
OS << " Position=<";
for (unsigned i = 0, e = C->getDepth(); i != e; ++i) {
OS << C->getIndex(i);
if (i != e - 1)
OS << ", ";
}
OS << ">";
}
}
void ASTDumper::visitVerbatimBlockComment(const VerbatimBlockComment *C) {
OS << " Name=\"" << getCommandName(C->getCommandID()) << "\""
" CloseName=\"" << C->getCloseName() << "\"";
}
void ASTDumper::visitVerbatimBlockLineComment(
const VerbatimBlockLineComment *C) {
OS << " Text=\"" << C->getText() << "\"";
}
void ASTDumper::visitVerbatimLineComment(const VerbatimLineComment *C) {
OS << " Text=\"" << C->getText() << "\"";
}
//===----------------------------------------------------------------------===//
// Decl method implementations
//===----------------------------------------------------------------------===//
void Decl::dump() const {
dump(llvm::errs());
}
void Decl::dump(raw_ostream &OS) const {
ASTDumper P(OS, &getASTContext().getCommentCommandTraits(),
&getASTContext().getSourceManager());
P.dumpDecl(this);
}
void Decl::dumpColor() const {
ASTDumper P(llvm::errs(), &getASTContext().getCommentCommandTraits(),
&getASTContext().getSourceManager(), /*ShowColors*/true);
P.dumpDecl(this);
}
void DeclContext::dumpLookups() const {
dumpLookups(llvm::errs());
}
void DeclContext::dumpLookups(raw_ostream &OS) const {
const DeclContext *DC = this;
while (!DC->isTranslationUnit())
DC = DC->getParent();
ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
ASTDumper P(OS, &Ctx.getCommentCommandTraits(), &Ctx.getSourceManager());
P.dumpLookups(this);
}
//===----------------------------------------------------------------------===//
// Stmt method implementations
//===----------------------------------------------------------------------===//
void Stmt::dump(SourceManager &SM) const {
dump(llvm::errs(), SM);
}
void Stmt::dump(raw_ostream &OS, SourceManager &SM) const {
ASTDumper P(OS, 0, &SM);
P.dumpStmt(this);
}
void Stmt::dump() const {
ASTDumper P(llvm::errs(), 0, 0);
P.dumpStmt(this);
}
void Stmt::dumpColor() const {
ASTDumper P(llvm::errs(), 0, 0, /*ShowColors*/true);
P.dumpStmt(this);
}
//===----------------------------------------------------------------------===//
// Comment method implementations
//===----------------------------------------------------------------------===//
void Comment::dump() const {
dump(llvm::errs(), 0, 0);
}
void Comment::dump(const ASTContext &Context) const {
dump(llvm::errs(), &Context.getCommentCommandTraits(),
&Context.getSourceManager());
}
void Comment::dump(raw_ostream &OS, const CommandTraits *Traits,
const SourceManager *SM) const {
const FullComment *FC = dyn_cast<FullComment>(this);
ASTDumper D(OS, Traits, SM);
D.dumpFullComment(FC);
}
void Comment::dumpColor() const {
const FullComment *FC = dyn_cast<FullComment>(this);
ASTDumper D(llvm::errs(), 0, 0, /*ShowColors*/true);
D.dumpFullComment(FC);
}