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llvm-project/clang/lib/Frontend/StmtXML.cpp

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//===--- StmtXML.cpp - XML implementation for Stmt 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 Stmt::dumpXML methods, which dump out the
// AST to an XML document.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/DocumentXML.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclCXX.h"
#include "clang/Basic/SourceManager.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// StmtXML Visitor
//===----------------------------------------------------------------------===//
namespace {
class StmtXML : public StmtVisitor<StmtXML> {
DocumentXML& Doc;
//static const char *getOpcodeStr(UnaryOperator::Opcode Op);
//static const char *getOpcodeStr(BinaryOperator::Opcode Op);
void addSpecialAttribute(const char* pName, StringLiteral* Str) {
Doc.addAttribute(pName, Doc.escapeString(Str->getStrData(), Str->getByteLength()));
}
void addSpecialAttribute(const char* pName, SizeOfAlignOfExpr* S) {
if (S->isArgumentType())
Doc.addAttribute(pName, S->getArgumentType());
}
void addSpecialAttribute(const char* pName, CXXTypeidExpr* S) {
if (S->isTypeOperand())
Doc.addAttribute(pName, S->getTypeOperand());
}
public:
StmtXML(DocumentXML& doc)
: Doc(doc) {
}
void DumpSubTree(Stmt *S) {
if (S) {
Visit(S);
if (DeclStmt* DS = dyn_cast<DeclStmt>(S)) {
for (DeclStmt::decl_iterator DI = DS->decl_begin(),
DE = DS->decl_end(); DI != DE; ++DI) {
Doc.PrintDecl(*DI);
}
} else {
for (Stmt::child_iterator i = S->child_begin(), e = S->child_end();
i != e; ++i)
DumpSubTree(*i);
}
Doc.toParent();
} else {
Doc.addSubNode("NULL").toParent();
}
}
#define NODE_XML( CLASS, NAME ) \
void Visit##CLASS(CLASS* S) \
{ \
typedef CLASS tStmtType; \
Doc.addSubNode(NAME);
#define ATTRIBUTE_XML( FN, NAME ) Doc.addAttribute(NAME, S->FN);
#define TYPE_ATTRIBUTE_XML( FN ) ATTRIBUTE_XML(FN, "type")
#define ATTRIBUTE_OPT_XML( FN, NAME ) Doc.addAttributeOptional(NAME, S->FN);
#define ATTRIBUTE_SPECIAL_XML( FN, NAME ) addSpecialAttribute(NAME, S);
#define ATTRIBUTE_FILE_LOCATION_XML Doc.addLocationRange(S->getSourceRange());
#define ATTRIBUTE_ENUM_XML( FN, NAME ) \
{ \
const char* pAttributeName = NAME; \
const bool optional = false; \
switch (S->FN) { \
default: assert(0 && "unknown enum value");
#define ATTRIBUTE_ENUM_OPT_XML( FN, NAME ) \
{ \
const char* pAttributeName = NAME; \
const bool optional = true; \
switch (S->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 }
#define ID_ATTRIBUTE_XML Doc.addAttribute("id", S);
#define SUB_NODE_XML( CLASS )
#define SUB_NODE_SEQUENCE_XML( CLASS )
#define SUB_NODE_OPT_XML( CLASS )
#include "clang/Frontend/StmtXML.def"
#if (0)
// Stmts.
void VisitStmt(Stmt *Node);
void VisitDeclStmt(DeclStmt *Node);
void VisitLabelStmt(LabelStmt *Node);
void VisitGotoStmt(GotoStmt *Node);
// Exprs
void VisitExpr(Expr *Node);
void VisitDeclRefExpr(DeclRefExpr *Node);
void VisitPredefinedExpr(PredefinedExpr *Node);
void VisitCharacterLiteral(CharacterLiteral *Node);
void VisitIntegerLiteral(IntegerLiteral *Node);
void VisitFloatingLiteral(FloatingLiteral *Node);
void VisitStringLiteral(StringLiteral *Str);
void VisitUnaryOperator(UnaryOperator *Node);
void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *Node);
void VisitMemberExpr(MemberExpr *Node);
void VisitExtVectorElementExpr(ExtVectorElementExpr *Node);
void VisitBinaryOperator(BinaryOperator *Node);
void VisitCompoundAssignOperator(CompoundAssignOperator *Node);
void VisitAddrLabelExpr(AddrLabelExpr *Node);
void VisitTypesCompatibleExpr(TypesCompatibleExpr *Node);
// C++
void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node);
void VisitCXXThisExpr(CXXThisExpr *Node);
void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node);
// ObjC
void VisitObjCEncodeExpr(ObjCEncodeExpr *Node);
void VisitObjCMessageExpr(ObjCMessageExpr* Node);
void VisitObjCSelectorExpr(ObjCSelectorExpr *Node);
void VisitObjCProtocolExpr(ObjCProtocolExpr *Node);
void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node);
void VisitObjCImplicitSetterGetterRefExpr(
ObjCImplicitSetterGetterRefExpr *Node);
void VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node);
void VisitObjCSuperExpr(ObjCSuperExpr *Node);
#endif
};
}
//===----------------------------------------------------------------------===//
// Stmt printing methods.
//===----------------------------------------------------------------------===//
#if (0)
void StmtXML::VisitStmt(Stmt *Node) {
// nothing special to do
}
void StmtXML::VisitDeclStmt(DeclStmt *Node) {
for (DeclStmt::decl_iterator DI = Node->decl_begin(), DE = Node->decl_end();
DI != DE; ++DI) {
Doc.PrintDecl(*DI);
}
}
void StmtXML::VisitLabelStmt(LabelStmt *Node) {
Doc.addAttribute("name", Node->getName());
}
void StmtXML::VisitGotoStmt(GotoStmt *Node) {
Doc.addAttribute("name", Node->getLabel()->getName());
}
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//
void StmtXML::VisitExpr(Expr *Node) {
DumpExpr(Node);
}
void StmtXML::VisitDeclRefExpr(DeclRefExpr *Node) {
DumpExpr(Node);
const char* pKind;
switch (Node->getDecl()->getKind()) {
case Decl::Function: pKind = "FunctionDecl"; break;
case Decl::Var: pKind = "Var"; break;
case Decl::ParmVar: pKind = "ParmVar"; break;
case Decl::EnumConstant: pKind = "EnumConstant"; break;
case Decl::Typedef: pKind = "Typedef"; break;
case Decl::Record: pKind = "Record"; break;
case Decl::Enum: pKind = "Enum"; break;
case Decl::CXXRecord: pKind = "CXXRecord"; break;
case Decl::ObjCInterface: pKind = "ObjCInterface"; break;
case Decl::ObjCClass: pKind = "ObjCClass"; break;
default: pKind = "Decl"; break;
}
Doc.addAttribute("kind", pKind);
Doc.addAttribute("name", Node->getDecl()->getNameAsString());
Doc.addRefAttribute(Node->getDecl());
}
void StmtXML::VisitPredefinedExpr(PredefinedExpr *Node) {
DumpExpr(Node);
switch (Node->getIdentType()) {
default: assert(0 && "unknown case");
case PredefinedExpr::Func: Doc.addAttribute("predefined", " __func__"); break;
case PredefinedExpr::Function: Doc.addAttribute("predefined", " __FUNCTION__"); break;
case PredefinedExpr::PrettyFunction: Doc.addAttribute("predefined", " __PRETTY_FUNCTION__");break;
}
}
void StmtXML::VisitCharacterLiteral(CharacterLiteral *Node) {
DumpExpr(Node);
Doc.addAttribute("value", Node->getValue());
}
void StmtXML::VisitIntegerLiteral(IntegerLiteral *Node) {
DumpExpr(Node);
bool isSigned = Node->getType()->isSignedIntegerType();
Doc.addAttribute("value", Node->getValue().toString(10, isSigned));
}
void StmtXML::VisitFloatingLiteral(FloatingLiteral *Node) {
DumpExpr(Node);
// FIXME: output float as written in source (no approximation or the like)
//Doc.addAttribute("value", Node->getValueAsApproximateDouble()));
Doc.addAttribute("value", "FIXME");
}
void StmtXML::VisitStringLiteral(StringLiteral *Str) {
DumpExpr(Str);
if (Str->isWide())
Doc.addAttribute("is_wide", "1");
Doc.addAttribute("value", Doc.escapeString(Str->getStrData(), Str->getByteLength()));
}
const char *StmtXML::getOpcodeStr(UnaryOperator::Opcode Op) {
switch (Op) {
default: assert(0 && "Unknown unary operator");
case UnaryOperator::PostInc: return "postinc";
case UnaryOperator::PostDec: return "postdec";
case UnaryOperator::PreInc: return "preinc";
case UnaryOperator::PreDec: return "predec";
case UnaryOperator::AddrOf: return "addrof";
case UnaryOperator::Deref: return "deref";
case UnaryOperator::Plus: return "plus";
case UnaryOperator::Minus: return "minus";
case UnaryOperator::Not: return "not";
case UnaryOperator::LNot: return "lnot";
case UnaryOperator::Real: return "__real";
case UnaryOperator::Imag: return "__imag";
case UnaryOperator::Extension: return "__extension__";
case UnaryOperator::OffsetOf: return "__builtin_offsetof";
}
}
const char *StmtXML::getOpcodeStr(BinaryOperator::Opcode Op) {
switch (Op) {
default: assert(0 && "Unknown binary operator");
case BinaryOperator::PtrMemD: return "ptrmemd";
case BinaryOperator::PtrMemI: return "ptrmemi";
case BinaryOperator::Mul: return "mul";
case BinaryOperator::Div: return "div";
case BinaryOperator::Rem: return "rem";
case BinaryOperator::Add: return "add";
case BinaryOperator::Sub: return "sub";
case BinaryOperator::Shl: return "shl";
case BinaryOperator::Shr: return "shr";
case BinaryOperator::LT: return "lt";
case BinaryOperator::GT: return "gt";
case BinaryOperator::LE: return "le";
case BinaryOperator::GE: return "ge";
case BinaryOperator::EQ: return "eq";
case BinaryOperator::NE: return "ne";
case BinaryOperator::And: return "and";
case BinaryOperator::Xor: return "xor";
case BinaryOperator::Or: return "or";
case BinaryOperator::LAnd: return "land";
case BinaryOperator::LOr: return "lor";
case BinaryOperator::Assign: return "assign";
case BinaryOperator::MulAssign: return "mulassign";
case BinaryOperator::DivAssign: return "divassign";
case BinaryOperator::RemAssign: return "remassign";
case BinaryOperator::AddAssign: return "addassign";
case BinaryOperator::SubAssign: return "subassign";
case BinaryOperator::ShlAssign: return "shlassign";
case BinaryOperator::ShrAssign: return "shrassign";
case BinaryOperator::AndAssign: return "andassign";
case BinaryOperator::XorAssign: return "xorassign";
case BinaryOperator::OrAssign: return "orassign";
case BinaryOperator::Comma: return "comma";
}
}
void StmtXML::VisitUnaryOperator(UnaryOperator *Node) {
DumpExpr(Node);
Doc.addAttribute("op_code", getOpcodeStr(Node->getOpcode()));
}
void StmtXML::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("is_sizeof", Node->isSizeOf() ? "sizeof" : "alignof");
Doc.addAttribute("is_type", Node->isArgumentType() ? "1" : "0");
if (Node->isArgumentType())
DumpTypeExpr(Node->getArgumentType());
}
void StmtXML::VisitMemberExpr(MemberExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("is_deref", Node->isArrow() ? "1" : "0");
Doc.addAttribute("name", Node->getMemberDecl()->getNameAsString());
Doc.addRefAttribute(Node->getMemberDecl());
}
void StmtXML::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("name", Node->getAccessor().getName());
}
void StmtXML::VisitBinaryOperator(BinaryOperator *Node) {
DumpExpr(Node);
Doc.addAttribute("op_code", getOpcodeStr(Node->getOpcode()));
}
void StmtXML::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
VisitBinaryOperator(Node);
/* FIXME: is this needed in the AST?
DumpExpr(Node);
CurrentNode = CurrentNode->addSubNode("ComputeLHSTy");
DumpType(Node->getComputationLHSType());
CurrentNode = CurrentNode->Parent->addSubNode("ComputeResultTy");
DumpType(Node->getComputationResultType());
Doc.toParent();
*/
}
// GNU extensions.
void StmtXML::VisitAddrLabelExpr(AddrLabelExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("name", Node->getLabel()->getName());
}
void StmtXML::VisitTypesCompatibleExpr(TypesCompatibleExpr *Node) {
DumpExpr(Node);
DumpTypeExpr(Node->getArgType1());
DumpTypeExpr(Node->getArgType2());
}
//===----------------------------------------------------------------------===//
// C++ Expressions
//===----------------------------------------------------------------------===//
void StmtXML::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("kind", Node->getCastName());
DumpTypeExpr(Node->getTypeAsWritten());
}
void StmtXML::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("value", Node->getValue() ? "true" : "false");
}
void StmtXML::VisitCXXThisExpr(CXXThisExpr *Node) {
DumpExpr(Node);
}
void StmtXML::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
DumpExpr(Node);
DumpTypeExpr(Node->getTypeAsWritten());
}
//===----------------------------------------------------------------------===//
// Obj-C Expressions
//===----------------------------------------------------------------------===//
void StmtXML::VisitObjCMessageExpr(ObjCMessageExpr* Node) {
DumpExpr(Node);
Doc.addAttribute("selector", Node->getSelector().getAsString());
IdentifierInfo* clsName = Node->getClassName();
if (clsName)
Doc.addAttribute("class", clsName->getName());
}
void StmtXML::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
DumpExpr(Node);
DumpTypeExpr(Node->getEncodedType());
}
void StmtXML::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("selector", Node->getSelector().getAsString());
}
void StmtXML::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("protocol", Node->getProtocol()->getNameAsString());
}
void StmtXML::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("property", Node->getProperty()->getNameAsString());
}
void StmtXML::VisitObjCImplicitSetterGetterRefExpr(
ObjCImplicitSetterGetterRefExpr *Node) {
DumpExpr(Node);
ObjCMethodDecl *Getter = Node->getGetterMethod();
ObjCMethodDecl *Setter = Node->getSetterMethod();
Doc.addAttribute("Getter", Getter->getSelector().getAsString());
Doc.addAttribute("Setter", Setter ? Setter->getSelector().getAsString().c_str() : "(null)");
}
void StmtXML::VisitObjCSuperExpr(ObjCSuperExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("super", "1");
}
void StmtXML::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("kind", Node->getDecl()->getDeclKindName());
Doc.addAttribute("decl", Node->getDecl()->getNameAsString());
if (Node->isFreeIvar())
Doc.addAttribute("isFreeIvar", "1");
}
#endif
//===----------------------------------------------------------------------===//
// Stmt method implementations
//===----------------------------------------------------------------------===//
/// dumpAll - This does a dump of the specified AST fragment and all subtrees.
void DocumentXML::PrintStmt(const Stmt *S) {
StmtXML P(*this);
P.DumpSubTree(const_cast<Stmt*>(S));
}
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