source: src/Common/PassVisitor.impl.h @ 794c15b

#pragma once

#define VISIT_START( node )                     \
        __attribute__((unused))                   \
        const auto & guard = init_guard();        \
        bool visit_children = true;               \
        set_visit_children( visit_children );   \
        call_previsit( node );                    \
        if( visit_children ) {                    \

#define VISIT_END( node )                       \
        }                                         \
        call_postvisit( node );                   \

#define MUTATE_START( node )                    \
        __attribute__((unused))                   \
        const auto & guard = init_guard();        \
        bool visit_children = true;               \
        set_visit_children( visit_children );   \
        call_premutate( node );                   \
        if( visit_children ) {                    \

#define MUTATE_END( type, node )                \
        }                                         \
        return call_postmutate< type * >( node ); \


#define VISIT_BODY( node )        \
        VISIT_START( node );        \
        Visitor::visit( node );     \
        VISIT_END( node );          \


#define MUTATE_BODY( type, node ) \
        MUTATE_START( node );       \
        Mutator::mutate( node );    \
        MUTATE_END( type, node );   \



template<typename T>
static inline bool empty( T * ptr ) {
        return !ptr || ptr->empty();
}

typedef std::list< Statement * > StmtList_t;

template< typename pass_type >
void PassVisitor< pass_type >::visitStatementList( std::list< Statement * > & statements ) {
        SemanticError errors;

        StmtList_t* beforeStmts = get_beforeStmts();
        StmtList_t* afterStmts  = get_afterStmts();

        for ( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) {
                if ( !empty( afterStmts ) ) { statements.splice( i, *afterStmts ); }
                try {
                        (*i)->accept( *this );
                } catch ( SemanticError &e ) {
                        errors.append( e );
                }
                if ( !empty( beforeStmts ) ) { statements.splice( i, *beforeStmts ); }
        }

        if ( !empty( afterStmts ) ) { statements.splice( statements.end(), *afterStmts ); }
        if ( !errors.isEmpty() ) { throw errors; }
}

template< typename pass_type >
void PassVisitor< pass_type >::mutateStatementList( std::list< Statement * > & statements ) {
        SemanticError errors;

        StmtList_t* beforeStmts = get_beforeStmts();
        StmtList_t* afterStmts  = get_afterStmts();

        for ( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) {
                if ( !empty( afterStmts ) ) { statements.splice( i, *afterStmts ); }
                try {
                        *i = (*i)->acceptMutator( *this );
                } catch ( SemanticError &e ) {
                        errors.append( e );
                }
                if ( !empty( beforeStmts ) ) { statements.splice( i, *beforeStmts ); }
        }

        if ( !empty( afterStmts ) ) { statements.splice( statements.end(), *afterStmts ); }
        if ( !errors.isEmpty() ) { throw errors; }
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::visitStatement( Statement * stmt ) {
        // don't want statements from outer CompoundStmts to be added to this CompoundStmt
        ValueGuardPtr< TypeSubstitution * >      oldEnv        ( get_env_ptr() );
        ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() );
        ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () );

        maybeAccept( stmt, *this );

        StmtList_t* beforeStmts = get_beforeStmts();
        StmtList_t* afterStmts  = get_afterStmts();

        if( empty(beforeStmts) && empty(afterStmts) ) { return stmt; }

        CompoundStmt *compound = new CompoundStmt( noLabels );
        if( !empty(beforeStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *beforeStmts ); }
        compound->get_kids().push_back( stmt );
        if( !empty(afterStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *afterStmts ); }
        return compound;
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutateStatement( Statement * stmt ) {
        // don't want statements from outer CompoundStmts to be added to this CompoundStmt
        ValueGuardPtr< TypeSubstitution * >      oldEnv        ( get_env_ptr() );
        ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() );
        ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () );

        Statement *newStmt = maybeMutate( stmt, *this );

        StmtList_t* beforeStmts = get_beforeStmts();
        StmtList_t* afterStmts  = get_afterStmts();

        if( empty(beforeStmts) && empty(afterStmts) ) { return newStmt; }

        CompoundStmt *compound = new CompoundStmt( noLabels );
        if( !empty(beforeStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *beforeStmts ); }
        compound->get_kids().push_back( newStmt );
        if( !empty(afterStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *afterStmts ); }
        return compound;
}



template< typename pass_type >
void PassVisitor< pass_type >::visitExpression( Expression * expr ) {
        if( !expr ) return;

        auto env_ptr = get_env_ptr();
        if ( env_ptr && expr->get_env() ) {
                *env_ptr = expr->get_env();
        }
        // xxx - should env be cloned (or moved) onto the result of the mutate?
        expr->accept( *this );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutateExpression( Expression * expr ) {
        if( !expr ) return nullptr;

        auto env_ptr = get_env_ptr();
        if ( env_ptr && expr->get_env() ) {
                *env_ptr = expr->get_env();
        }
        // xxx - should env be cloned (or moved) onto the result of the mutate?
        return expr->acceptMutator( *this );
}


//------------------------------------------------------------------------------------------------------------------------------------------------------------------------

template< typename pass_type >
void PassVisitor< pass_type >::visit( ObjectDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( FunctionDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( StructDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( UnionDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( EnumDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TraitDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TypeDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TypedefDecl * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AsmDecl * node ) {
        VISIT_BODY( node );
}

//--------------------------------------------------------------------------
// CompoundStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( CompoundStmt * node ) {
        VISIT_START( node );
        call_beginScope();

        visitStatementList( node->get_kids() );

        call_endScope();
        VISIT_END( node );
}

template< typename pass_type >
CompoundStmt * PassVisitor< pass_type >::mutate( CompoundStmt * node ) {
        MUTATE_START( node );
        call_beginScope();

        mutateStatementList( node->get_kids() );

        call_endScope();
        MUTATE_END( CompoundStmt, node );
}

//--------------------------------------------------------------------------
// ExprStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( ExprStmt * node ) {
        VISIT_START( node );
        call_beginScope();

        visitExpression( node->get_expr() );

        call_endScope();
        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( ExprStmt * node ) {
        MUTATE_START( node );

        node->set_expr( mutateExpression( node->get_expr() ) );

        MUTATE_END( Statement, node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AsmStmt * node ) {
        VISIT_BODY( node );
}

//--------------------------------------------------------------------------
// IfStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( IfStmt * node ) {
        VISIT_START( node );

        visitExpression( node->get_condition() );
        node->set_thenPart ( visitStatement( node->get_thenPart() ) );
        node->set_elsePart ( visitStatement( node->get_elsePart() ) );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( IfStmt * node ) {
        MUTATE_START( node );

        node->set_condition( mutateExpression( node->get_condition() ) );
        node->set_thenPart ( mutateStatement ( node->get_thenPart()  ) );
        node->set_elsePart ( mutateStatement ( node->get_elsePart()  ) );

        MUTATE_END( Statement, node );
}

//--------------------------------------------------------------------------
// WhileStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( WhileStmt * node ) {
        VISIT_START( node );

        visitExpression( node->get_condition() );
        node->set_body( visitStatement( node->get_body() ) );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( WhileStmt * node ) {
        MUTATE_START( node );

        node->set_condition( mutateExpression( node->get_condition() ) );
        node->set_body( mutateStatement( node->get_body() ) );

        MUTATE_END( Statement, node );
}

//--------------------------------------------------------------------------
// WhileStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( ForStmt * node ) {
        VISIT_START( node );

        acceptAll( node->get_initialization(), *this );
        visitExpression( node->get_condition() );
        visitExpression( node->get_increment() );
        node->set_body( visitStatement( node->get_body() ) );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( ForStmt * node ) {
        MUTATE_START( node );

        mutateAll( node->get_initialization(), *this );
        node->set_condition( mutateExpression( node->get_condition() ) );
        node->set_increment( mutateExpression( node->get_increment() ) );
        node->set_body( mutateStatement( node->get_body() ) );

        MUTATE_END( Statement, node );
}

//--------------------------------------------------------------------------
// SwitchStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( SwitchStmt * node ) {
        VISIT_START( node );

        visitExpression( node->get_condition() );
        visitStatementList( node->get_statements() );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( SwitchStmt * node ) {
        MUTATE_START( node );

        node->set_condition( mutateExpression( node->get_condition() ) );
        mutateStatementList( node->get_statements() );

        MUTATE_END( Statement, node );
}

//--------------------------------------------------------------------------
// CaseStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( CaseStmt * node ) {
        VISIT_START( node );

        visitExpression( node->get_condition() );
        visitStatementList( node->get_statements() );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( CaseStmt * node ) {
        MUTATE_START( node );

        node->set_condition(  mutateExpression( node->get_condition() ) );
        mutateStatementList( node->get_statements() );

        MUTATE_END( Statement, node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( BranchStmt * node ) {
        VISIT_BODY( node );
}

//--------------------------------------------------------------------------
// ReturnStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( ReturnStmt * node ) {
        VISIT_START( node );

        visitExpression( node->get_expr() );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( ReturnStmt * node ) {
        MUTATE_START( node );

        node->set_expr( mutateExpression( node->get_expr() ) );

        MUTATE_END( Statement, node );
}

//--------------------------------------------------------------------------
// ThrowStmt

template< typename pass_type >
void PassVisitor< pass_type >::visit( ThrowStmt * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( ThrowStmt * node ) {
        MUTATE_BODY( Statement, node );
}

//--------------------------------------------------------------------------
// TryStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( TryStmt * node ) {
        VISIT_START( node );

        maybeAccept( node->get_block(), *this );
        acceptAll( node->get_catchers(), *this );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( TryStmt * node ) {
        MUTATE_START( node );

        node->set_block(  maybeMutate( node->get_block(), *this ) );
        mutateAll( node->get_catchers(), *this );

        MUTATE_END( Statement, node );
}

//--------------------------------------------------------------------------
// CatchStmt
template< typename pass_type >
void PassVisitor< pass_type >::visit( CatchStmt * node ) {
        VISIT_START( node );

        node->set_body( visitStatement( node->get_body() ) );
        maybeAccept( node->get_decl(), *this );

        VISIT_END( node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( CatchStmt * node ) {
        MUTATE_START( node );

        node->set_body(  mutateStatement( node->get_body() ) );
        node->set_decl(  maybeMutate( node->get_decl(), *this ) );

        MUTATE_END( Statement, node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( FinallyStmt * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( NullStmt * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( DeclStmt * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ImplicitCtorDtorStmt * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ApplicationExpr * node ) {
        VISIT_BODY( node );
}

//--------------------------------------------------------------------------
// UntypedExpr
template< typename pass_type >
void PassVisitor< pass_type >::visit( UntypedExpr * node ) {
        VISIT_START( node );

        for ( auto expr : node->get_args() ) {
                visitExpression( expr );
        }

        VISIT_END( node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( UntypedExpr * node ) {
        MUTATE_START( node );

        for ( auto& expr : node->get_args() ) {
                expr = mutateExpression( expr );
        }

        MUTATE_END( Expression, node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( NameExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( CastExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AddressExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( LabelAddressExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( UntypedMemberExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( MemberExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( VariableExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ConstantExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( SizeofExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AlignofExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( UntypedOffsetofExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( OffsetofExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( OffsetPackExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AttrExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( LogicalExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ConditionalExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( CommaExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TypeExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AsmExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ImplicitCopyCtorExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ConstructorExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( CompoundLiteralExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( RangeExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( UntypedTupleExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TupleExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TupleIndexExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TupleAssignExpr * node ) {
        VISIT_BODY( node );
}

//--------------------------------------------------------------------------
// UntypedExpr
template< typename pass_type >
void PassVisitor< pass_type >::visit( StmtExpr * node ) {
        VISIT_START( node );

        // don't want statements from outer CompoundStmts to be added to this StmtExpr
        ValueGuardPtr< TypeSubstitution * >      oldEnv        ( get_env_ptr() );
        ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() );
        ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () );

        Visitor::visit( node );

        VISIT_END( node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( StmtExpr * node ) {
        MUTATE_START( node );

        // don't want statements from outer CompoundStmts to be added to this StmtExpr
        ValueGuardPtr< TypeSubstitution * >      oldEnv        ( get_env_ptr() );
        ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() );
        ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () );

        Mutator::mutate( node );

        MUTATE_END( Expression, node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( UniqueExpr * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( VoidType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( BasicType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( PointerType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ArrayType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( FunctionType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( StructInstType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( UnionInstType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( EnumInstType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TraitInstType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TypeInstType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TupleType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( TypeofType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( AttrType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( VarArgsType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ZeroType * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( OneType * node ) {
        VISIT_BODY( node );
}

//--------------------------------------------------------------------------
// UntypedExpr
template< typename pass_type >
void PassVisitor< pass_type >::visit( SingleInit * node ) {
        VISIT_START( node );

        visitExpression( node->get_value() );

        VISIT_END( node );
}

template< typename pass_type >
Initializer * PassVisitor< pass_type >::mutate( SingleInit * node ) {
        MUTATE_START( node );

        node->set_value( mutateExpression( node->get_value() ) );

        MUTATE_END( Initializer, node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ListInit * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( ConstructorInit * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( Subrange * node ) {
        VISIT_BODY( node );
}

template< typename pass_type >
void PassVisitor< pass_type >::visit( Constant * node ) {
        VISIT_BODY( node );
}

//---------------------------------------------------------------------------------------------------------------

template< typename pass_type >
DeclarationWithType * PassVisitor< pass_type >::mutate( ObjectDecl * node ) {
        MUTATE_BODY( DeclarationWithType, node );
}

template< typename pass_type >
DeclarationWithType * PassVisitor< pass_type >::mutate( FunctionDecl * node ) {
        MUTATE_BODY( DeclarationWithType, node );
}

template< typename pass_type >
Declaration * PassVisitor< pass_type >::mutate( StructDecl * node ) {
        MUTATE_BODY( Declaration, node );
}

template< typename pass_type >
Declaration * PassVisitor< pass_type >::mutate( UnionDecl * node ) {
        MUTATE_BODY( Declaration, node );
}

template< typename pass_type >
Declaration * PassVisitor< pass_type >::mutate( EnumDecl * node ) {
        MUTATE_BODY( Declaration, node );
}

template< typename pass_type >
Declaration * PassVisitor< pass_type >::mutate( TraitDecl * node ) {
        MUTATE_BODY( Declaration, node );
}

template< typename pass_type >
TypeDecl * PassVisitor< pass_type >::mutate( TypeDecl * node ) {
        MUTATE_BODY( TypeDecl, node );
}

template< typename pass_type >
Declaration * PassVisitor< pass_type >::mutate( TypedefDecl * node ) {
        MUTATE_BODY( Declaration, node );
}

template< typename pass_type >
AsmDecl * PassVisitor< pass_type >::mutate( AsmDecl * node ) {
        MUTATE_BODY( AsmDecl, node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( AsmStmt * node ) {
        MUTATE_BODY( Statement, node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( BranchStmt * node ) {
        MUTATE_BODY( Statement, node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( FinallyStmt * node ) {
        MUTATE_BODY( Statement, node );
}

template< typename pass_type >
NullStmt * PassVisitor< pass_type >::mutate( NullStmt * node ) {
        MUTATE_BODY( NullStmt, node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( DeclStmt * node ) {
        MUTATE_BODY( Statement, node );
}

template< typename pass_type >
Statement * PassVisitor< pass_type >::mutate( ImplicitCtorDtorStmt * node ) {
        MUTATE_BODY( Statement, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( ApplicationExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( NameExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( AddressExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( LabelAddressExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( CastExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( UntypedMemberExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( MemberExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( VariableExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( ConstantExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( SizeofExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( AlignofExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( UntypedOffsetofExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( OffsetofExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( OffsetPackExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( AttrExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( LogicalExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( ConditionalExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( CommaExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( TypeExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( AsmExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( ImplicitCopyCtorExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( ConstructorExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( CompoundLiteralExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( RangeExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( UntypedTupleExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( TupleExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( TupleIndexExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( TupleAssignExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Expression * PassVisitor< pass_type >::mutate( UniqueExpr * node ) {
        MUTATE_BODY( Expression, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( VoidType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( BasicType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( PointerType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( ArrayType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( FunctionType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( StructInstType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( UnionInstType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( EnumInstType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( TraitInstType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( TypeInstType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( TupleType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( TypeofType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( AttrType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( VarArgsType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( ZeroType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Type * PassVisitor< pass_type >::mutate( OneType * node ) {
        MUTATE_BODY( Type, node );
}

template< typename pass_type >
Initializer * PassVisitor< pass_type >::mutate( ListInit * node ) {
        MUTATE_BODY( Initializer, node );
}

template< typename pass_type >
Initializer * PassVisitor< pass_type >::mutate( ConstructorInit * node ) {
        MUTATE_BODY( Initializer, node );
}

template< typename pass_type >
Subrange * PassVisitor< pass_type >::mutate( Subrange * node  )  {
        MUTATE_BODY( Subrange, node );
}

template< typename pass_type >
Constant * PassVisitor< pass_type >::mutate( Constant * node  )  {
        MUTATE_BODY( Constant, node );
}