source: src/SynTree/Mutator.cc @ 65197c2

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// Mutator.cc --
//
// Author           : Richard C. Bilson
// Created On       : Mon May 18 07:44:20 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Thu Aug 17 15:39:37 2017
// Update Count     : 27
//

#include <cassert>             // for assert
#include <list>                // for list

#include "Attribute.h"         // for Attribute
#include "Declaration.h"       // for ObjectDecl, Declaration, DeclarationWi...
#include "Expression.h"        // for Expression, ConstantExpr, ConditionalExpr
#include "Initializer.h"       // for ConstructorInit, Initializer, Designation
#include "Mutator.h"
#include "Statement.h"         // for Statement, CatchStmt, AsmStmt, ForStmt
#include "Type.h"              // for Type, Type::ForallList, AttrType, Arra...
#include "TypeSubstitution.h"  // for TypeSubstitution

class Constant;
class Subrange;

Mutator::Mutator() {}

Mutator::~Mutator() {}

DeclarationWithType * Mutator::mutate( ObjectDecl *objectDecl ) {
        objectDecl->set_type( maybeMutate( objectDecl->get_type(), *this ) );
        objectDecl->set_init( maybeMutate( objectDecl->get_init(), *this ) );
        objectDecl->set_bitfieldWidth( maybeMutate( objectDecl->get_bitfieldWidth(), *this ) );
        mutateAll( objectDecl->attributes, *this );
        return objectDecl;
}

DeclarationWithType * Mutator::mutate( FunctionDecl *functionDecl ) {
        functionDecl->set_functionType( maybeMutate( functionDecl->get_functionType(), *this ) );
        functionDecl->set_statements( maybeMutate( functionDecl->get_statements(), *this ) );
        mutateAll( functionDecl->attributes, *this );
        return functionDecl;
}

Declaration * Mutator::handleAggregateDecl( AggregateDecl *aggregateDecl ) {
        mutateAll( aggregateDecl->get_parameters(), *this );
        mutateAll( aggregateDecl->get_members(), *this );
        return aggregateDecl;
}

Declaration * Mutator::mutate( StructDecl *aggregateDecl ) {
        handleAggregateDecl( aggregateDecl );
        return aggregateDecl;
}

Declaration * Mutator::mutate( UnionDecl *aggregateDecl ) {
        handleAggregateDecl( aggregateDecl );
        return aggregateDecl;
}

Declaration * Mutator::mutate( EnumDecl *aggregateDecl ) {
        handleAggregateDecl( aggregateDecl );
        return aggregateDecl;
}

Declaration * Mutator::mutate( TraitDecl *aggregateDecl ) {
        handleAggregateDecl( aggregateDecl );
        return aggregateDecl;
}

Declaration * Mutator::handleNamedTypeDecl( NamedTypeDecl *typeDecl ) {
        mutateAll( typeDecl->get_parameters(), *this );
        mutateAll( typeDecl->get_assertions(), *this );
        typeDecl->set_base( maybeMutate( typeDecl->get_base(), *this ) );
        return typeDecl;
}

Declaration * Mutator::mutate( TypeDecl *typeDecl ) {
        handleNamedTypeDecl( typeDecl );
        typeDecl->set_init( maybeMutate( typeDecl->get_init(), *this ) );
        return typeDecl;
}

Declaration * Mutator::mutate( TypedefDecl *typeDecl ) {
        handleNamedTypeDecl( typeDecl );
        return typeDecl;
}

AsmDecl * Mutator::mutate( AsmDecl *asmDecl ) {
        asmDecl->set_stmt( maybeMutate( asmDecl->get_stmt(), *this ) );
        return asmDecl;
}


CompoundStmt * Mutator::mutate( CompoundStmt *compoundStmt ) {
        mutateAll( compoundStmt->get_kids(), *this );
        return compoundStmt;
}

Statement * Mutator::mutate( ExprStmt *exprStmt ) {
        exprStmt->set_expr( maybeMutate( exprStmt->get_expr(), *this ) );
        return exprStmt;
}

Statement * Mutator::mutate( AsmStmt *asmStmt ) {
        asmStmt->set_instruction( maybeMutate( asmStmt->get_instruction(), *this ) );
        mutateAll( asmStmt->get_output(), *this );
        mutateAll( asmStmt->get_input(), *this );
        mutateAll( asmStmt->get_clobber(), *this );
        return asmStmt;
}

Statement * Mutator::mutate( IfStmt *ifStmt ) {
        mutateAll( ifStmt->get_initialization(), *this );
        ifStmt->set_condition( maybeMutate( ifStmt->get_condition(), *this ) );
        ifStmt->set_thenPart( maybeMutate( ifStmt->get_thenPart(), *this ) );
        ifStmt->set_elsePart( maybeMutate( ifStmt->get_elsePart(), *this ) );
        return ifStmt;
}

Statement * Mutator::mutate( WhileStmt *whileStmt ) {
        whileStmt->set_condition( maybeMutate( whileStmt->get_condition(), *this ) );
        whileStmt->set_body( maybeMutate( whileStmt->get_body(), *this ) );
        return whileStmt;
}

Statement * Mutator::mutate( ForStmt *forStmt ) {
        mutateAll( forStmt->get_initialization(), *this );
        forStmt->set_condition( maybeMutate( forStmt->get_condition(), *this ) );
        forStmt->set_increment( maybeMutate( forStmt->get_increment(), *this ) );
        forStmt->set_body( maybeMutate( forStmt->get_body(), *this ) );
        return forStmt;
}

Statement * Mutator::mutate( SwitchStmt *switchStmt ) {
        switchStmt->set_condition( maybeMutate( switchStmt->get_condition(), *this ) );
        mutateAll( switchStmt->get_statements(), *this );
        return switchStmt;
}

Statement * Mutator::mutate( CaseStmt *caseStmt ) {
        caseStmt->set_condition( maybeMutate( caseStmt->get_condition(), *this ) );
        mutateAll (caseStmt->get_statements(), *this );

        return caseStmt;
}

Statement * Mutator::mutate( BranchStmt *branchStmt ) {
        return branchStmt;
}

Statement * Mutator::mutate( ReturnStmt *returnStmt ) {
        returnStmt->set_expr( maybeMutate( returnStmt->get_expr(), *this ) );
        return returnStmt;
}

Statement * Mutator::mutate( ThrowStmt *throwStmt ) {
        throwStmt->set_expr( maybeMutate( throwStmt->get_expr(), *this ) );
        throwStmt->set_target( maybeMutate( throwStmt->get_target(), *this ) );
        return throwStmt;
}

Statement * Mutator::mutate( TryStmt *tryStmt ) {
        tryStmt->set_block( maybeMutate( tryStmt->get_block(), *this ) );
        mutateAll( tryStmt->get_catchers(), *this );
        tryStmt->set_finally( maybeMutate( tryStmt->get_finally(), *this ) );
        return tryStmt;
}

Statement * Mutator::mutate( CatchStmt *catchStmt ) {
        catchStmt->set_decl( maybeMutate( catchStmt->get_decl(), *this ) );
        catchStmt->set_cond( maybeMutate( catchStmt->get_cond(), *this ) );
        catchStmt->set_body( maybeMutate( catchStmt->get_body(), *this ) );
        return catchStmt;
}

Statement * Mutator::mutate( FinallyStmt *finalStmt ) {
        finalStmt->set_block( maybeMutate( finalStmt->get_block(), *this ) );
        return finalStmt;
}

Statement * Mutator::mutate( WaitForStmt *waitforStmt ) {
        for( auto & clause : waitforStmt->clauses ) {
                clause.target.function = maybeMutate( clause.target.function, *this );
                mutateAll( clause.target.arguments, *this );

                clause.statement = maybeMutate( clause.statement, *this );
                clause.condition = maybeMutate( clause.condition, *this );
        }

        waitforStmt->timeout.time      = maybeMutate( waitforStmt->timeout.time, *this );
        waitforStmt->timeout.statement = maybeMutate( waitforStmt->timeout.statement, *this );
        waitforStmt->timeout.condition = maybeMutate( waitforStmt->timeout.condition, *this );
        waitforStmt->orelse.statement  = maybeMutate( waitforStmt->orelse.statement, *this );
        waitforStmt->orelse.condition  = maybeMutate( waitforStmt->orelse.condition, *this );

        return waitforStmt;
}

Statement * Mutator::mutate( WithStmt * withStmt ) {
        mutateAll( withStmt->exprs, *this );
        withStmt->stmt = maybeMutate( withStmt->stmt, *this );
        return withStmt;
}

NullStmt * Mutator::mutate( NullStmt *nullStmt ) {
        return nullStmt;
}

Statement * Mutator::mutate( DeclStmt *declStmt ) {
        declStmt->set_decl( maybeMutate( declStmt->get_decl(), *this ) );
        return declStmt;
}

Statement * Mutator::mutate( ImplicitCtorDtorStmt *impCtorDtorStmt ) {
        impCtorDtorStmt->set_callStmt( maybeMutate( impCtorDtorStmt->get_callStmt(), *this ) );
        return impCtorDtorStmt;
}


Expression * Mutator::mutate( ApplicationExpr *applicationExpr ) {
        applicationExpr->set_env( maybeMutate( applicationExpr->get_env(), *this ) );
        applicationExpr->set_result( maybeMutate( applicationExpr->get_result(), *this ) );
        applicationExpr->set_function( maybeMutate( applicationExpr->get_function(), *this ) );
        mutateAll( applicationExpr->get_args(), *this );
        return applicationExpr;
}

Expression * Mutator::mutate( UntypedExpr *untypedExpr ) {
        untypedExpr->set_env( maybeMutate( untypedExpr->get_env(), *this ) );
        untypedExpr->set_result( maybeMutate( untypedExpr->get_result(), *this ) );
        mutateAll( untypedExpr->get_args(), *this );
        return untypedExpr;
}

Expression * Mutator::mutate( NameExpr *nameExpr ) {
        nameExpr->set_env( maybeMutate( nameExpr->get_env(), *this ) );
        nameExpr->set_result( maybeMutate( nameExpr->get_result(), *this ) );
        return nameExpr;
}

Expression * Mutator::mutate( AddressExpr *addressExpr ) {
        addressExpr->set_env( maybeMutate( addressExpr->get_env(), *this ) );
        addressExpr->set_result( maybeMutate( addressExpr->get_result(), *this ) );
        addressExpr->set_arg( maybeMutate( addressExpr->get_arg(), *this ) );
        return addressExpr;
}

Expression * Mutator::mutate( LabelAddressExpr *labelAddressExpr ) {
        labelAddressExpr->set_env( maybeMutate( labelAddressExpr->get_env(), *this ) );
        labelAddressExpr->set_result( maybeMutate( labelAddressExpr->get_result(), *this ) );
        return labelAddressExpr;
}

Expression * Mutator::mutate( CastExpr *castExpr ) {
        castExpr->set_env( maybeMutate( castExpr->get_env(), *this ) );
        castExpr->set_result( maybeMutate( castExpr->get_result(), *this ) );
        castExpr->set_arg( maybeMutate( castExpr->get_arg(), *this ) );
        return castExpr;
}

Expression * Mutator::mutate( VirtualCastExpr *castExpr ) {
        castExpr->set_env( maybeMutate( castExpr->get_env(), *this ) );
        castExpr->set_result( maybeMutate( castExpr->get_result(), *this ) );
        castExpr->set_arg( maybeMutate( castExpr->get_arg(), *this ) );
        return castExpr;
}

Expression * Mutator::mutate( UntypedMemberExpr *memberExpr ) {
        memberExpr->set_env( maybeMutate( memberExpr->get_env(), *this ) );
        memberExpr->set_result( maybeMutate( memberExpr->get_result(), *this ) );
        memberExpr->set_aggregate( maybeMutate( memberExpr->get_aggregate(), *this ) );
        memberExpr->set_member( maybeMutate( memberExpr->get_member(), *this ) );
        return memberExpr;
}

Expression * Mutator::mutate( MemberExpr *memberExpr ) {
        memberExpr->set_env( maybeMutate( memberExpr->get_env(), *this ) );
        memberExpr->set_result( maybeMutate( memberExpr->get_result(), *this ) );
        memberExpr->set_aggregate( maybeMutate( memberExpr->get_aggregate(), *this ) );
        return memberExpr;
}

Expression * Mutator::mutate( VariableExpr *variableExpr ) {
        variableExpr->set_env( maybeMutate( variableExpr->get_env(), *this ) );
        variableExpr->set_result( maybeMutate( variableExpr->get_result(), *this ) );
        return variableExpr;
}

Expression * Mutator::mutate( ConstantExpr *constantExpr ) {
        constantExpr->set_env( maybeMutate( constantExpr->get_env(), *this ) );
        constantExpr->set_result( maybeMutate( constantExpr->get_result(), *this ) );
//  maybeMutate( constantExpr->get_constant(), *this )
        return constantExpr;
}

Expression * Mutator::mutate( SizeofExpr *sizeofExpr ) {
        sizeofExpr->set_env( maybeMutate( sizeofExpr->get_env(), *this ) );
        sizeofExpr->set_result( maybeMutate( sizeofExpr->get_result(), *this ) );
        if ( sizeofExpr->get_isType() ) {
                sizeofExpr->set_type( maybeMutate( sizeofExpr->get_type(), *this ) );
        } else {
                sizeofExpr->set_expr( maybeMutate( sizeofExpr->get_expr(), *this ) );
        }
        return sizeofExpr;
}

Expression * Mutator::mutate( AlignofExpr *alignofExpr ) {
        alignofExpr->set_env( maybeMutate( alignofExpr->get_env(), *this ) );
        alignofExpr->set_result( maybeMutate( alignofExpr->get_result(), *this ) );
        if ( alignofExpr->get_isType() ) {
                alignofExpr->set_type( maybeMutate( alignofExpr->get_type(), *this ) );
        } else {
                alignofExpr->set_expr( maybeMutate( alignofExpr->get_expr(), *this ) );
        }
        return alignofExpr;
}

Expression * Mutator::mutate( UntypedOffsetofExpr *offsetofExpr ) {
        offsetofExpr->set_env( maybeMutate( offsetofExpr->get_env(), *this ) );
        offsetofExpr->set_result( maybeMutate( offsetofExpr->get_result(), *this ) );
        offsetofExpr->set_type( maybeMutate( offsetofExpr->get_type(), *this ) );
        return offsetofExpr;
}

Expression * Mutator::mutate( OffsetofExpr *offsetofExpr ) {
        offsetofExpr->set_env( maybeMutate( offsetofExpr->get_env(), *this ) );
        offsetofExpr->set_result( maybeMutate( offsetofExpr->get_result(), *this ) );
        offsetofExpr->set_type( maybeMutate( offsetofExpr->get_type(), *this ) );
        offsetofExpr->set_member( maybeMutate( offsetofExpr->get_member(), *this ) );
        return offsetofExpr;
}

Expression * Mutator::mutate( OffsetPackExpr *offsetPackExpr ) {
        offsetPackExpr->set_env( maybeMutate( offsetPackExpr->get_env(), *this ) );
        offsetPackExpr->set_result( maybeMutate( offsetPackExpr->get_result(), *this ) );
        offsetPackExpr->set_type( maybeMutate( offsetPackExpr->get_type(), *this ) );
        return offsetPackExpr;
}

Expression * Mutator::mutate( AttrExpr *attrExpr ) {
        attrExpr->set_env( maybeMutate( attrExpr->get_env(), *this ) );
        attrExpr->set_result( maybeMutate( attrExpr->get_result(), *this ) );
        if ( attrExpr->get_isType() ) {
                attrExpr->set_type( maybeMutate( attrExpr->get_type(), *this ) );
        } else {
                attrExpr->set_expr( maybeMutate( attrExpr->get_expr(), *this ) );
        }
        return attrExpr;
}

Expression * Mutator::mutate( LogicalExpr *logicalExpr ) {
        logicalExpr->set_env( maybeMutate( logicalExpr->get_env(), *this ) );
        logicalExpr->set_result( maybeMutate( logicalExpr->get_result(), *this ) );
        logicalExpr->set_arg1( maybeMutate( logicalExpr->get_arg1(), *this ) );
        logicalExpr->set_arg2( maybeMutate( logicalExpr->get_arg2(), *this ) );
        return logicalExpr;
}

Expression * Mutator::mutate( ConditionalExpr *conditionalExpr ) {
        conditionalExpr->set_env( maybeMutate( conditionalExpr->get_env(), *this ) );
        conditionalExpr->set_result( maybeMutate( conditionalExpr->get_result(), *this ) );
        conditionalExpr->set_arg1( maybeMutate( conditionalExpr->get_arg1(), *this ) );
        conditionalExpr->set_arg2( maybeMutate( conditionalExpr->get_arg2(), *this ) );
        conditionalExpr->set_arg3( maybeMutate( conditionalExpr->get_arg3(), *this ) );
        return conditionalExpr;
}

Expression * Mutator::mutate( CommaExpr *commaExpr ) {
        commaExpr->set_env( maybeMutate( commaExpr->get_env(), *this ) );
        commaExpr->set_result( maybeMutate( commaExpr->get_result(), *this ) );
        commaExpr->set_arg1( maybeMutate( commaExpr->get_arg1(), *this ) );
        commaExpr->set_arg2( maybeMutate( commaExpr->get_arg2(), *this ) );
        return commaExpr;
}

Expression * Mutator::mutate( TypeExpr *typeExpr ) {
        typeExpr->set_env( maybeMutate( typeExpr->get_env(), *this ) );
        typeExpr->set_result( maybeMutate( typeExpr->get_result(), *this ) );
        typeExpr->set_type( maybeMutate( typeExpr->get_type(), *this ) );
        return typeExpr;
}

Expression * Mutator::mutate( AsmExpr *asmExpr ) {
        asmExpr->set_env( maybeMutate( asmExpr->get_env(), *this ) );
        asmExpr->set_inout( maybeMutate( asmExpr->get_inout(), *this ) );
        asmExpr->set_constraint( maybeMutate( asmExpr->get_constraint(), *this ) );
        asmExpr->set_operand( maybeMutate( asmExpr->get_operand(), *this ) );
        return asmExpr;
}

Expression* Mutator::mutate( ImplicitCopyCtorExpr *impCpCtorExpr ) {
        impCpCtorExpr->set_env( maybeMutate( impCpCtorExpr->get_env(), *this ) );
        impCpCtorExpr->set_result( maybeMutate( impCpCtorExpr->get_result(), *this ) );
        impCpCtorExpr->set_callExpr( maybeMutate( impCpCtorExpr->get_callExpr(), *this ) );
        mutateAll( impCpCtorExpr->get_tempDecls(), *this );
        mutateAll( impCpCtorExpr->get_returnDecls(), *this );
        mutateAll( impCpCtorExpr->get_dtors(), *this );
        return impCpCtorExpr;
}

Expression* Mutator::mutate( ConstructorExpr *ctorExpr ) {
        ctorExpr->set_env( maybeMutate( ctorExpr->get_env(), *this ) );
        ctorExpr->set_result( maybeMutate( ctorExpr->get_result(), *this ) );
        ctorExpr->set_callExpr( maybeMutate( ctorExpr->get_callExpr(), *this ) );
        return ctorExpr;
}

Expression * Mutator::mutate( CompoundLiteralExpr *compLitExpr ) {
        compLitExpr->set_env( maybeMutate( compLitExpr->get_env(), *this ) );
        compLitExpr->set_result( maybeMutate( compLitExpr->get_result(), *this ) );
        compLitExpr->set_initializer( maybeMutate( compLitExpr->get_initializer(), *this ) );
        return compLitExpr;
}

Expression * Mutator::mutate( RangeExpr *rangeExpr ) {
        rangeExpr->set_env( maybeMutate( rangeExpr->get_env(), *this ) );
        rangeExpr->set_low( maybeMutate( rangeExpr->get_low(), *this ) );
        rangeExpr->set_high( maybeMutate( rangeExpr->get_high(), *this ) );
        return rangeExpr;
}

Expression * Mutator::mutate( UntypedTupleExpr *tupleExpr ) {
        tupleExpr->set_env( maybeMutate( tupleExpr->get_env(), *this ) );
        tupleExpr->set_result( maybeMutate( tupleExpr->get_result(), *this ) );
        mutateAll( tupleExpr->get_exprs(), *this );
        return tupleExpr;
}

Expression * Mutator::mutate( TupleExpr *tupleExpr ) {
        tupleExpr->set_env( maybeMutate( tupleExpr->get_env(), *this ) );
        tupleExpr->set_result( maybeMutate( tupleExpr->get_result(), *this ) );
        mutateAll( tupleExpr->get_exprs(), *this );
        return tupleExpr;
}

Expression * Mutator::mutate( TupleIndexExpr *tupleExpr ) {
        tupleExpr->set_env( maybeMutate( tupleExpr->get_env(), *this ) );
        tupleExpr->set_result( maybeMutate( tupleExpr->get_result(), *this ) );
        tupleExpr->set_tuple( maybeMutate( tupleExpr->get_tuple(), *this ) );
        return tupleExpr;
}

Expression * Mutator::mutate( TupleAssignExpr *assignExpr ) {
        assignExpr->set_env( maybeMutate( assignExpr->get_env(), *this ) );
        assignExpr->set_result( maybeMutate( assignExpr->get_result(), *this ) );
        assignExpr->set_stmtExpr( maybeMutate( assignExpr->get_stmtExpr(), *this ) );
        return assignExpr;
}

Expression * Mutator::mutate( StmtExpr *stmtExpr ) {
        stmtExpr->set_env( maybeMutate( stmtExpr->get_env(), *this ) );
        stmtExpr->set_result( maybeMutate( stmtExpr->get_result(), *this ) );
        stmtExpr->set_statements( maybeMutate( stmtExpr->get_statements(), *this ) );
        mutateAll( stmtExpr->get_returnDecls(), *this );
        mutateAll( stmtExpr->get_dtors(), *this );
        return stmtExpr;
}

Expression * Mutator::mutate( UniqueExpr *uniqueExpr ) {
        uniqueExpr->set_env( maybeMutate( uniqueExpr->get_env(), *this ) );
        uniqueExpr->set_result( maybeMutate( uniqueExpr->get_result(), *this ) );
        uniqueExpr->set_expr( maybeMutate( uniqueExpr->get_expr(), *this ) );
        return uniqueExpr;
}

Expression * Mutator::mutate( UntypedInitExpr * initExpr ) {
        initExpr->set_env( maybeMutate( initExpr->get_env(), *this ) );
        initExpr->set_result( maybeMutate( initExpr->get_result(), *this ) );
        initExpr->set_expr( maybeMutate( initExpr->get_expr(), *this ) );
        // not currently mutating initAlts, but this doesn't matter since this node is only used in the resolver.
        return initExpr;
}

Expression * Mutator::mutate( InitExpr * initExpr ) {
        initExpr->set_env( maybeMutate( initExpr->get_env(), *this ) );
        initExpr->set_result( maybeMutate( initExpr->get_result(), *this ) );
        initExpr->set_expr( maybeMutate( initExpr->get_expr(), *this ) );
        initExpr->set_designation( maybeMutate( initExpr->get_designation(), *this ) );
        return initExpr;
}


Type * Mutator::mutate( VoidType *voidType ) {
        mutateAll( voidType->get_forall(), *this );
        return voidType;
}

Type * Mutator::mutate( BasicType *basicType ) {
        mutateAll( basicType->get_forall(), *this );
        return basicType;
}

Type * Mutator::mutate( PointerType *pointerType ) {
        mutateAll( pointerType->get_forall(), *this );
        pointerType->set_base( maybeMutate( pointerType->get_base(), *this ) );
        return pointerType;
}

Type * Mutator::mutate( ArrayType *arrayType ) {
        mutateAll( arrayType->get_forall(), *this );
        arrayType->set_dimension( maybeMutate( arrayType->get_dimension(), *this ) );
        arrayType->set_base( maybeMutate( arrayType->get_base(), *this ) );
        return arrayType;
}

Type * Mutator::mutate( ReferenceType * refType ) {
        mutateAll( refType->get_forall(), *this );
        refType->set_base( maybeMutate( refType->get_base(), *this ) );
        return refType;
}

Type * Mutator::mutate( FunctionType * functionType ) {
        mutateAll( functionType->get_forall(), *this );
        mutateAll( functionType->get_returnVals(), *this );
        mutateAll( functionType->get_parameters(), *this );
        return functionType;
}

Type * Mutator::handleReferenceToType( ReferenceToType *aggregateUseType ) {
        mutateAll( aggregateUseType->get_forall(), *this );
        mutateAll( aggregateUseType->get_parameters(), *this );
        return aggregateUseType;
}

Type * Mutator::mutate( StructInstType *aggregateUseType ) {
        handleReferenceToType( aggregateUseType );
        return aggregateUseType;
}

Type * Mutator::mutate( UnionInstType *aggregateUseType ) {
        handleReferenceToType( aggregateUseType );
        return aggregateUseType;
}

Type * Mutator::mutate( EnumInstType *aggregateUseType ) {
        handleReferenceToType( aggregateUseType );
        return aggregateUseType;
}

Type * Mutator::mutate( TraitInstType *aggregateUseType ) {
        handleReferenceToType( aggregateUseType );
        return aggregateUseType;
}

Type * Mutator::mutate( TypeInstType *aggregateUseType ) {
        handleReferenceToType( aggregateUseType );
        return aggregateUseType;
}

Type * Mutator::mutate( TupleType *tupleType ) {
        mutateAll( tupleType->get_forall(), *this );
        mutateAll( tupleType->get_types(), *this );
        mutateAll( tupleType->get_members(), *this );
        return tupleType;
}

Type * Mutator::mutate( TypeofType *typeofType ) {
        assert( typeofType->get_expr() );
        typeofType->set_expr( typeofType->get_expr()->acceptMutator( *this ) );
        return typeofType;
}

Type * Mutator::mutate( AttrType *attrType ) {
        if ( attrType->get_isType() ) {
                assert( attrType->get_type() );
                attrType->set_type( attrType->get_type()->acceptMutator( *this ) );
        } else {
                assert( attrType->get_expr() );
                attrType->set_expr( attrType->get_expr()->acceptMutator( *this ) );
        }
        return attrType;
}

Type * Mutator::mutate( VarArgsType *varArgsType ) {
        mutateAll( varArgsType->get_forall(), *this );
        return varArgsType;
}

Type * Mutator::mutate( ZeroType *zeroType ) {
        mutateAll( zeroType->get_forall(), *this );
        return zeroType;
}

Type * Mutator::mutate( OneType *oneType ) {
        mutateAll( oneType->get_forall(), *this );
        return oneType;
}


Designation * Mutator::mutate( Designation * designation ) {
        mutateAll( designation->get_designators(), *this );
        return designation;
}

Initializer * Mutator::mutate( SingleInit *singleInit ) {
        singleInit->set_value( singleInit->get_value()->acceptMutator( *this ) );
        return singleInit;
}

Initializer * Mutator::mutate( ListInit *listInit ) {
        mutateAll( listInit->get_designations(), *this );
        mutateAll( listInit->get_initializers(), *this );
        return listInit;
}

Initializer * Mutator::mutate( ConstructorInit *ctorInit ) {
        ctorInit->set_ctor( maybeMutate( ctorInit->get_ctor(), *this ) );
        ctorInit->set_dtor( maybeMutate( ctorInit->get_dtor(), *this ) );
        ctorInit->set_init( maybeMutate( ctorInit->get_init(), *this ) );
        return ctorInit;
}


Subrange * Mutator::mutate( Subrange *subrange ) {
        return subrange;
}


Constant * Mutator::mutate( Constant *constant ) {
        return constant;
}

Attribute * Mutator::mutate( Attribute * attribute ) {
        mutateAll( attribute->parameters, *this );
        return attribute;
}

TypeSubstitution * Mutator::mutate( TypeSubstitution * sub ) {
        for ( auto & p : sub->typeEnv ) {
                p.second = maybeMutate( p.second, *this );
        }
        for ( auto & p : sub->varEnv ) {
                p.second = maybeMutate( p.second, *this );
        }
        return sub;
}

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //