path: root/lib/Frontend/PCHReaderStmt.cpp

//===--- PCHReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Statement/expression deserialization.  This implements the
// PCHReader::ReadStmt method.
//
//===----------------------------------------------------------------------===//

#include "clang/Frontend/PCHReader.h"
#include "clang/AST/StmtVisitor.h"
using namespace clang;

namespace {
  class PCHStmtReader : public StmtVisitor<PCHStmtReader, unsigned> {
    PCHReader &Reader;
    const PCHReader::RecordData &Record;
    unsigned &Idx;
    llvm::SmallVectorImpl<Stmt *> &StmtStack;

  public:
    PCHStmtReader(PCHReader &Reader, const PCHReader::RecordData &Record,
                  unsigned &Idx, llvm::SmallVectorImpl<Stmt *> &StmtStack)
      : Reader(Reader), Record(Record), Idx(Idx), StmtStack(StmtStack) { }

    /// \brief The number of record fields required for the Stmt class
    /// itself.
    static const unsigned NumStmtFields = 0;

    /// \brief The number of record fields required for the Expr class
    /// itself.
    static const unsigned NumExprFields = NumStmtFields + 3;

    // Each of the Visit* functions reads in part of the expression
    // from the given record and the current expression stack, then
    // return the total number of operands that it read from the
    // expression stack.

    unsigned VisitStmt(Stmt *S);
    unsigned VisitNullStmt(NullStmt *S);
    unsigned VisitCompoundStmt(CompoundStmt *S);
    unsigned VisitSwitchCase(SwitchCase *S);
    unsigned VisitCaseStmt(CaseStmt *S);
    unsigned VisitDefaultStmt(DefaultStmt *S);
    unsigned VisitLabelStmt(LabelStmt *S);
    unsigned VisitIfStmt(IfStmt *S);
    unsigned VisitSwitchStmt(SwitchStmt *S);
    unsigned VisitWhileStmt(WhileStmt *S);
    unsigned VisitDoStmt(DoStmt *S);
    unsigned VisitForStmt(ForStmt *S);
    unsigned VisitGotoStmt(GotoStmt *S);
    unsigned VisitIndirectGotoStmt(IndirectGotoStmt *S);
    unsigned VisitContinueStmt(ContinueStmt *S);
    unsigned VisitBreakStmt(BreakStmt *S);
    unsigned VisitReturnStmt(ReturnStmt *S);
    unsigned VisitDeclStmt(DeclStmt *S);
    unsigned VisitAsmStmt(AsmStmt *S);
    unsigned VisitExpr(Expr *E);
    unsigned VisitPredefinedExpr(PredefinedExpr *E);
    unsigned VisitDeclRefExpr(DeclRefExpr *E);
    unsigned VisitIntegerLiteral(IntegerLiteral *E);
    unsigned VisitFloatingLiteral(FloatingLiteral *E);
    unsigned VisitImaginaryLiteral(ImaginaryLiteral *E);
    unsigned VisitStringLiteral(StringLiteral *E);
    unsigned VisitCharacterLiteral(CharacterLiteral *E);
    unsigned VisitParenExpr(ParenExpr *E);
    unsigned VisitUnaryOperator(UnaryOperator *E);
    unsigned VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
    unsigned VisitArraySubscriptExpr(ArraySubscriptExpr *E);
    unsigned VisitCallExpr(CallExpr *E);
    unsigned VisitMemberExpr(MemberExpr *E);
    unsigned VisitCastExpr(CastExpr *E);
    unsigned VisitBinaryOperator(BinaryOperator *E);
    unsigned VisitCompoundAssignOperator(CompoundAssignOperator *E);
    unsigned VisitConditionalOperator(ConditionalOperator *E);
    unsigned VisitImplicitCastExpr(ImplicitCastExpr *