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