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

320 lines
9.0 KiB
C++

//===--- TextNodeDumper.cpp - Printing of AST nodes -----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements AST dumping of components of individual AST nodes.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/TextNodeDumper.h"
using namespace clang;
TextNodeDumper::TextNodeDumper(raw_ostream &OS, bool ShowColors,
const SourceManager *SM,
const PrintingPolicy &PrintPolicy,
const comments::CommandTraits *Traits)
: TextTreeStructure(OS, ShowColors), OS(OS), ShowColors(ShowColors), SM(SM),
PrintPolicy(PrintPolicy), Traits(Traits) {}
void TextNodeDumper::Visit(const comments::Comment *C,
const comments::FullComment *FC) {
if (!C) {
ColorScope Color(OS, ShowColors, NullColor);
OS << "<<<NULL>>>";
return;
}
{
ColorScope Color(OS, ShowColors, CommentColor);
OS << C->getCommentKindName();
}
dumpPointer(C);
dumpSourceRange(C->getSourceRange());
ConstCommentVisitor<TextNodeDumper, void,
const comments::FullComment *>::visit(C, FC);
}
void TextNodeDumper::Visit(const Attr *A) {
{
ColorScope Color(OS, ShowColors, AttrColor);
switch (A->getKind()) {
#define ATTR(X) \
case attr::X: \
OS << #X; \
break;
#include "clang/Basic/AttrList.inc"
}
OS << "Attr";
}
dumpPointer(A);
dumpSourceRange(A->getRange());
if (A->isInherited())
OS << " Inherited";
if (A->isImplicit())
OS << " Implicit";
ConstAttrVisitor<TextNodeDumper>::Visit(A);
}
void TextNodeDumper::dumpPointer(const void *Ptr) {
ColorScope Color(OS, ShowColors, AddressColor);
OS << ' ' << Ptr;
}
void TextNodeDumper::dumpLocation(SourceLocation Loc) {
if (!SM)
return;
ColorScope Color(OS, ShowColors, 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 TextNodeDumper::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 TextNodeDumper::dumpBareType(QualType T, bool Desugar) {
ColorScope Color(OS, ShowColors, TypeColor);
SplitQualType T_split = T.split();
OS << "'" << QualType::getAsString(T_split, PrintPolicy) << "'";
if (Desugar && !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, PrintPolicy) << "'";
}
}
void TextNodeDumper::dumpType(QualType T) {
OS << ' ';
dumpBareType(T);
}
void TextNodeDumper::dumpBareDeclRef(const Decl *D) {
if (!D) {
ColorScope Color(OS, ShowColors, NullColor);
OS << "<<<NULL>>>";
return;
}
{
ColorScope Color(OS, ShowColors, DeclKindNameColor);
OS << D->getDeclKindName();
}
dumpPointer(D);
if (const NamedDecl *ND = dyn_cast<NamedDecl>(D)) {
ColorScope Color(OS, ShowColors, DeclNameColor);
OS << " '" << ND->getDeclName() << '\'';
}
if (const ValueDecl *VD = dyn_cast<ValueDecl>(D))
dumpType(VD->getType());
}
void TextNodeDumper::dumpName(const NamedDecl *ND) {
if (ND->getDeclName()) {
ColorScope Color(OS, ShowColors, DeclNameColor);
OS << ' ' << ND->getNameAsString();
}
}
void TextNodeDumper::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 TextNodeDumper::dumpCXXTemporary(const CXXTemporary *Temporary) {
OS << "(CXXTemporary";
dumpPointer(Temporary);
OS << ")";
}
void TextNodeDumper::dumpDeclRef(const Decl *D, const char *Label) {
if (!D)
return;
AddChild([=] {
if (Label)
OS << Label << ' ';
dumpBareDeclRef(D);
});
}
const char *TextNodeDumper::getCommandName(unsigned CommandID) {
if (Traits)
return Traits->getCommandInfo(CommandID)->Name;
const comments::CommandInfo *Info =
comments::CommandTraits::getBuiltinCommandInfo(CommandID);
if (Info)
return Info->Name;
return "<not a builtin command>";
}
void TextNodeDumper::visitTextComment(const comments::TextComment *C,
const comments::FullComment *) {
OS << " Text=\"" << C->getText() << "\"";
}
void TextNodeDumper::visitInlineCommandComment(
const comments::InlineCommandComment *C, const comments::FullComment *) {
OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
switch (C->getRenderKind()) {
case comments::InlineCommandComment::RenderNormal:
OS << " RenderNormal";
break;
case comments::InlineCommandComment::RenderBold:
OS << " RenderBold";
break;
case comments::InlineCommandComment::RenderMonospaced:
OS << " RenderMonospaced";
break;
case comments::InlineCommandComment::RenderEmphasized:
OS << " RenderEmphasized";
break;
}
for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
}
void TextNodeDumper::visitHTMLStartTagComment(
const comments::HTMLStartTagComment *C, const comments::FullComment *) {
OS << " Name=\"" << C->getTagName() << "\"";
if (C->getNumAttrs() != 0) {
OS << " Attrs: ";
for (unsigned i = 0, e = C->getNumAttrs(); i != e; ++i) {
const comments::HTMLStartTagComment::Attribute &Attr = C->getAttr(i);
OS << " \"" << Attr.Name << "=\"" << Attr.Value << "\"";
}
}
if (C->isSelfClosing())
OS << " SelfClosing";
}
void TextNodeDumper::visitHTMLEndTagComment(
const comments::HTMLEndTagComment *C, const comments::FullComment *) {
OS << " Name=\"" << C->getTagName() << "\"";
}
void TextNodeDumper::visitBlockCommandComment(
const comments::BlockCommandComment *C, const comments::FullComment *) {
OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
}
void TextNodeDumper::visitParamCommandComment(
const comments::ParamCommandComment *C, const comments::FullComment *FC) {
OS << " "
<< comments::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() && !C->isVarArgParam())
OS << " ParamIndex=" << C->getParamIndex();
}
void TextNodeDumper::visitTParamCommandComment(
const comments::TParamCommandComment *C, const comments::FullComment *FC) {
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 TextNodeDumper::visitVerbatimBlockComment(
const comments::VerbatimBlockComment *C, const comments::FullComment *) {
OS << " Name=\"" << getCommandName(C->getCommandID())
<< "\""
" CloseName=\""
<< C->getCloseName() << "\"";
}
void TextNodeDumper::visitVerbatimBlockLineComment(
const comments::VerbatimBlockLineComment *C,
const comments::FullComment *) {
OS << " Text=\"" << C->getText() << "\"";
}
void TextNodeDumper::visitVerbatimLineComment(
const comments::VerbatimLineComment *C, const comments::FullComment *) {
OS << " Text=\"" << C->getText() << "\"";
}