clang-1/lib/Frontend/TypeXML.cpp

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//===--- DocumentXML.cpp - XML document 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 XML document class, which provides the means to
// dump out the AST in a XML form that exposes type details and other fields.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/DocumentXML.h"
#include "clang/AST/TypeVisitor.h"
#include "clang/AST/Type.h"
#include "clang/AST/Decl.h"
namespace clang {
namespace XML {
namespace {
//---------------------------------------------------------
class TypeWriter : public TypeVisitor<TypeWriter> {
DocumentXML& Doc;
public:
TypeWriter(DocumentXML& doc) : Doc(doc) {}
#define NODE_XML( CLASS, NAME ) \
void Visit##CLASS(CLASS* T) { \
Doc.addSubNode(NAME);
#define ID_ATTRIBUTE_XML // done by the Document class itself
#define ATTRIBUTE_XML( FN, NAME ) Doc.addAttribute(NAME, T->FN);
#define TYPE_ATTRIBUTE_XML( FN ) ATTRIBUTE_XML(FN, "type")
#define CONTEXT_ATTRIBUTE_XML( FN ) ATTRIBUTE_XML(FN, "context")
#define ATTRIBUTE_OPT_XML( FN, NAME ) Doc.addAttributeOptional(NAME, T->FN);
#define ATTRIBUTE_ENUM_XML( FN, NAME ) \
{ \
const char* pAttributeName = NAME; \
const bool optional = false; \
switch (T->FN) { \
default: assert(0 && "unknown enum value");
#define ATTRIBUTE_ENUM_OPT_XML( FN, NAME ) \
{ \
const char* pAttributeName = NAME; \
const bool optional = true; \
switch (T->FN) { \
default: assert(0 && "unknown enum value");
#define ENUM_XML( VALUE, NAME ) case VALUE: if ((!optional) || NAME[0]) Doc.addAttribute(pAttributeName, NAME); break;
#define END_ENUM_XML } }
#define END_NODE_XML }
#include "clang/Frontend/TypeXML.def"
};
//---------------------------------------------------------
} // anon clang
} // NS XML
//---------------------------------------------------------
class DocumentXML::TypeAdder : public TypeVisitor<DocumentXML::TypeAdder> {
DocumentXML& Doc;
void addIfType(const Type* pType) {
Doc.addTypeRecursively(pType);
}
void addIfType(const QualType& pType) {
Doc.addTypeRecursively(pType);
}
template<class T> void addIfType(T) {}
public:
TypeAdder(DocumentXML& doc) : Doc(doc) {}
#define NODE_XML( CLASS, NAME ) \
void Visit##CLASS(CLASS* T) \
{
#define ID_ATTRIBUTE_XML
#define TYPE_ATTRIBUTE_XML( FN ) Doc.addTypeRecursively(T->FN);
#define CONTEXT_ATTRIBUTE_XML( FN )
#define ATTRIBUTE_XML( FN, NAME ) addIfType(T->FN);
#define ATTRIBUTE_OPT_XML( FN, NAME )
#define ATTRIBUTE_ENUM_XML( FN, NAME )
#define ATTRIBUTE_ENUM_OPT_XML( FN, NAME )
#define ENUM_XML( VALUE, NAME )
#define END_ENUM_XML
#define END_NODE_XML }
#include "clang/Frontend/TypeXML.def"
};
//---------------------------------------------------------
void DocumentXML::addParentTypes(const Type* pType) {
TypeAdder(*this).Visit(const_cast<Type*>(pType));
}
//---------------------------------------------------------
void DocumentXML::writeTypeToXML(const Type* pType) {
XML::TypeWriter(*this).Visit(const_cast<Type*>(pType));
}
//---------------------------------------------------------
void DocumentXML::writeTypeToXML(const QualType& pType) {
XML::TypeWriter(*this).VisitQualType(const_cast<QualType*>(&pType));
}
//---------------------------------------------------------
} // NS clang