Ejemplo n.º 1
0
void clearDelayed() {
    ListNode *n = envToClear.head;
    while ( n != NULL ) {
        /* deleteEnv((Env *) n->value, 1); */
        listRemoveNoRegion( &envToClear, n );
        n = envToClear.head;
    }
    n = hashtablesToClear.head;
    while ( n != NULL ) {
        deleteHashTable( ( Hashtable * ) n->value, nop );
        listRemoveNoRegion( &hashtablesToClear, n );
        n = hashtablesToClear.head;
    }
    n = regionsToClear.head;
    while ( n != NULL ) {
        region_free( ( Region * ) n->value );
        listRemoveNoRegion( &regionsToClear, n );
        n = regionsToClear.head;
    }
    n = memoryToFree.head;
    while ( n != NULL ) {
        free( n->value );
        listRemoveNoRegion( &memoryToFree, n );
        n = memoryToFree.head;
    }
}
Ejemplo n.º 2
0
int main(void){
    //initialize stuff
    init_zobrist();
    srand(time(NULL));
    //create a new board
    Board_t* goal = newBoard();
    //create a new visited cache
    HashTable_t* visited = newHashTable(32);
    //create a cloned state of the board and scrable it
    Board_t* scrabled = cloneBoard(goal);
    scramble_times(scrabled, TIMES_TO_SCRAMBLE);

    printf("Starting search...\n");
    SearchNode_t* root = newSearchNode(scrabled, 0, NULL);
    SearchNode_t* result = idf_search(root, goal, visited, 30);

    //print out the search
    if(result!=NULL){
        printf("Search Path:\n");
        printSearchNode(result);
    }
    else
        printf("Search failed.\n");

    //clean up
    deleteSearchNode(root, visited);
    assert(TOTAL_SEARCH_NODES==0);
    assert(TOTAL_HASH_NODES==0);
    deleteHashTable(visited);
    deleteBoard(goal);
    return 0;
}
Ejemplo n.º 3
0
void resizeHashTable(int N)
{
    //! reconstruct the hash table by (usually) doubling its size
    //! only call this when the current fill factor of your hash table > MAX_FILL_FACTOR

    //! careful, when resizing, the 'size' variable should be changed as well such that the 'hashFunction's distribution will work
    //! be double careful! all the elements which are already in the hash table have to  be RE-hashed! (explanation @ lab)

    char ** newHash;
    int newSize = size * 2, i;

    nrOfResizes+=1;

    newHash = (char**) malloc (newSize * sizeof(char*));

    for(i=0; i<newSize; i++)
        newHash[i] = NULL;

    // redistribute the elements of the old hash into the new hash

    for(i=0; i<size; i++)
    {
        if(hashTable[i] != NULL)
            collisions[i] += insertElement(hashTable[i], newSize, newHash);
    }

    //delete the old hash
    deleteHashTable(hashTable, size);

    //continue adding new elements into the new hash

    hashTable = newHash;
    size = newSize;
}
Ejemplo n.º 4
0
void
ws_status_timer(Timer tm, Name status)
{ UINT id;

  if ( (id = getIdTimer(tm)) )
  { KillTimer(NULL, id);
    deleteHashTable(TimerTable, toInt(id));
    setIdTimer(tm, 0);
  }

  if ( status != NAME_idle )
  { long msec = (long) (valReal(tm->interval) * 1000.0);

    if ( (id = SetTimer(NULL, 0, (UINT)msec, (TIMERPROC) timer_proc)) )
    { if ( !TimerTable )
      { TimerTable = globalObject(CtoName("active_timers"),
				  ClassHashTable, EAV);
	assign(TimerTable, refer, NAME_none);
      }
      appendHashTable(TimerTable, toInt(id), tm);
      setIdTimer(tm, id);
      DEBUG(NAME_timer, Cprintf("Created timer of %d milliseconds (id = %d)\n",
				msec, id));
    } else
      Cprintf("Failed SetTimer()\n");
  }
}
Ejemplo n.º 5
0
static status
unlinkElevation(Elevation e)
{ if ( notNil(e->name) )
    deleteHashTable(ElevationTable, e->name);

  succeed;
}
Ejemplo n.º 6
0
static status
deleteChainTable(ChainTable ct, Any name, Any value)
{ Chain ch;

  if ( isDefault(value) )
    return deleteHashTable((HashTable)ct, name);

  if ( (ch = getMemberHashTable((HashTable) ct, name)) )
  { TRY(deleteChain(ch, value));
    if ( emptyChain(ch) )
      deleteHashTable((HashTable) ct, name);

    succeed;
  }

  fail;
}
Ejemplo n.º 7
0
void
deleteAssoc(Any obj)
{ if ( isObject(obj) && onFlag(obj, F_ASSOC) )
  { PceITFSymbol symbol = getMemberHashTable(ObjectToITFTable, obj);
    if ( symbol )
    { symbol->object = NULL;
      deleteHashTable(ObjectToITFTable, obj);
      clearFlag(obj, F_ASSOC);
    }
  }
}
Ejemplo n.º 8
0
static void
do_timer_proc(Timer tm, UINT id)
{ if ( tm->status != NAME_repeat )
  { KillTimer(NULL, id);
    deleteHashTable(TimerTable, toInt(id));
    assign(tm, status, NAME_idle);
  }

  executeTimer(tm);

  RedrawDisplayManager(TheDisplayManager());
}
Ejemplo n.º 9
0
static status
unlinkSyntaxTable(SyntaxTable t)
{ if ( t->table )
  { unalloc(FLAGS_SIZE(t), t->table);
    t->table = NULL;
  }
  if ( t->context )
  { unalloc(CONTEXT_SIZE(t), t->context);
    t->context = NULL;
  }

  if ( notNil(t->name) )
    deleteHashTable(SyntaxTables, t->name);

  succeed;
}
Ejemplo n.º 10
0
/* Copy the data stored in a Cache struct into a continuously allocated memory block in *p.
 * All sub structure status are either uninitialized or compressed, which meaning that they are not allocated separately and therefore should not be deallocated.
 * Only coreRuleSet and coreFuncDescIndex are copied.
 * Starting from *p+size backwards, a list of pointers to pointers in the copied data structures are stored.
 * There pointers are used to quickly access all pointers in the stored data structures so that they can be offset when they are copied to a new memory address.
 * This function returns NULL if it runs out of memory allocated between in *p and *p+size.
 * The rule engine status is also set to uninitialized. */
Cache *copyCache( unsigned char **p, size_t size, Cache *ptr ) {
    /* size should be large enough and divisible by ALIGNMENT */
    if (size < DEFAULT_BLOCK_SIZE || 0 != size % REGION_ALIGNMENT) {
        return NULL;
    }

    unsigned char *buf = *p;
    unsigned char *pointers0 = buf + size;

    /* shared objects */
    unsigned char **pointers = &pointers0;
    int generatePtrDesc = 1;

    allocateInBuffer( Cache, ecopy, ptr );

    MK_POINTER( &( ecopy->address ) );
    MK_POINTER( &( ecopy->pointers ) );

    // objectMap will use a hash table size that is twice the number of objects being held (to favor speed).
    // Example: The shared memory region has a size of SHMMAX (see shared_memory.hpp). SHMMAX == 30000000.
    // The upper bound of the passed-in size is the shared memory region size.
    // With an average compiled object size of 75 bytes (taken over sample of 9000 lines of rule code), SHMMAX / 75 = 400000 objects.
    // The maximum size of the hash table should be twice the objects that can fit in shared memory (400000 * 2 = 800000).
    // The ratio of the shared memory region size to the maximum hash table size is 30000000 / 800000 = 37.5
    // Since the calculations are based on an average size, the ratio is rounded to 40 to avoid imbuing too much significance.
    // The size of the hash table for a cache of the passed-in size, then, should be the size of the cache divided by the ratio.
    // hashtable size upper limit == cache size upper limit / 40 == 30000000 / 40 < 800000
    const int SHMEM_TO_MAX_HASHTABLE_SIZE_RATIO{40};
    Hashtable *objectMap = newHashTable(size / SHMEM_TO_MAX_HASHTABLE_SIZE_RATIO);

    MK_PTR( RuleSet, coreRuleSet );
    ecopy->coreRuleSetStatus = COMPRESSED;
    ecopy->appRuleSet = NULL;
    ecopy->appRuleSetStatus = UNINITIALIZED;
    ecopy->extRuleSet = NULL;
    ecopy->extRuleSetStatus = UNINITIALIZED;
    MK_PTR_TAPP( Env, coreFuncDescIndex, PARAM( Node ) );
    ecopy->coreFuncDescIndexStatus = COMPRESSED; /* The coreFuncDescIndex is stored in a continuously allocated memory block in *buf */
    ecopy->appFuncDescIndex = NULL;
    ecopy->appFuncDescIndexStatus = UNINITIALIZED;
    ecopy->extFuncDescIndex = NULL;
    ecopy->extFuncDescIndexStatus = UNINITIALIZED;
    ecopy->dataSize = ( *p - buf );
    ecopy->address = buf;
    ecopy->pointers = pointers0;
    ecopy->cacheSize = size;
    ecopy->cacheStatus = INITIALIZED;
    ecopy->appRegion = NULL;
    ecopy->appRegionStatus = UNINITIALIZED;
    ecopy->coreRegion = NULL;
    ecopy->coreRegionStatus = UNINITIALIZED;
    ecopy->extRegion = NULL;
    ecopy->extRegionStatus = UNINITIALIZED;
    ecopy->sysRegion = NULL;
    ecopy->sysRegionStatus = UNINITIALIZED;
    ecopy->sysFuncDescIndex = NULL;
    ecopy->sysFuncDescIndexStatus = UNINITIALIZED;
    ecopy->ruleEngineStatus = UNINITIALIZED;
    MK_VAR_ARRAY_IN_STRUCT( char, ruleBase );

    deleteHashTable( objectMap, nop );

    return ecopy;
}
Ejemplo n.º 11
0
//	Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch
int main () {

    //Create the hash table we are going to use
    HashTable h = newHashTable();
    //Open up a dictionary of words to use from the start
    FILE * input = fopen("dictionary.txt", "r");
    if (input == NULL) return EXIT_FAILURE;

    //Malloc some space for the strings we are reading in from the dictionary
    char ** temp = malloc(sizeof(char*) * MAX_DICT_SIZE);
    int k = 0;
    for (k = 0; k < MAX_DICT_SIZE; k++) {
        temp[k] = malloc(sizeof(char) * MAX_STRING_LENGTH);
    }

    //Read in everything from the dictionary
    int i = 1;
    int j = 0;
    temp[j][0] = fgetc(input);
    while (temp[j][i-1] != EOF) {
        temp[j][i] = fgetc(input);
        if (temp[j][i] == '\n') {
            temp[j][i] = '\0';
            if (hashTableContains(temp[j], h)) {
                printf("\nSeen %s\n", temp[j]);
            } else {
                printf("\nNot seen %s\n", temp[j]);
                printf("Adding: %s\n", temp[j]);
                put(temp[j], h);
            }
            assert(hashTableContains(temp[j], h));
            i = 0;
            j++;
            temp[j][0] = fgetc(input);
        }
        i++;
    }
    //close the dictionary
    fclose(input);

    /* TODO: read in some strings from the user using scanf
             until they enter an empty string
             or until the dictionary is full
    */

//j is each string
//i is each character in a string
    while (fgets(temp[j],MAX_STRING_LENGTH,stdin) != NULL && j < MAX_DICT_SIZE) {

        //temp[j][i] = *s;

        if (temp[j][i] == '\n') {
            temp[j][i] = '\0';
            if (hashTableContains(temp[j], h)) {
                printf("\nSeen %s\n", temp[j]);
            } else {
                printf("\nNot seen %s\n", temp[j]);
                printf("Adding: %s\n", temp[j]);
                put(temp[j], h);
            }
            assert(hashTableContains(temp[j], h));
            i = 0;
            j++;
            //temp[j][0] = *s;
            //temp[j][0] = fgets(temp[j][i],MAX_STRING_LENGTH,stdin);
        }
        i++;


    }


    /*
                tell them if we have ever seen them before
                add them to the hash table
        */


    //free all the strings we have malloc'ed
    for (k=0; k < MAX_DICT_SIZE; k++) {
        free(temp[k]);
    }
    free(temp);

    //delete the hash table we used
    h = deleteHashTable(h);

    //exit
    return EXIT_SUCCESS;
}
Ejemplo n.º 12
0
int processXMsg( int streamId, char *readmsg,
                 RuleEngineEventParam *param, Node *node,
                 Env *env, ruleExecInfo_t *rei ) {

    char myhdr[HEADER_TYPE_LEN];
    char mymsg[MAX_NAME_LEN];
    char *outStr = NULL;
    int i, n;
    int iLevel, wCnt;
    int  ruleInx = 0;
    Region *r;
    Res *res;
    rError_t errmsg;
    errmsg.len = 0;
    errmsg.errMsg = NULL;
    r = make_region( 0, NULL );
    ParserContext *context = newParserContext( &errmsg, r );
    Pointer *e = newPointer2( readmsg );
    int rulegen = 1;
    int found;
    int grdf[2];
    int cmd = 0;
    int smallW;

    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug:%s", param->actionName );
    memset( mymsg, 0, sizeof( mymsg ) );

    PARSER_BEGIN( DbgCmd )
    TRY( DbgCmd )
    TTEXT2( "n", "next" );
    cmd = REDEBUG_STEP_OVER;
    OR( DbgCmd )
    TTEXT2( "s", "step" );
    cmd = REDEBUG_NEXT;
    OR( DbgCmd )
    TTEXT2( "f", "finish" );
    cmd = REDEBUG_STEP_OUT;
    OR( DbgCmd )
    TTEXT2( "b", "break" );
    TRY( Param )
    TTYPE( TK_TEXT );
    int breakPointsInx2;
    for ( breakPointsInx2 = 0; breakPointsInx2 < 100; breakPointsInx2++ ) {
        if ( breakPoints[breakPointsInx2].actionName == NULL ) {
            break;
        }
    }
    if ( breakPointsInx2 == 100 ) {
        _writeXMsg( streamId, myhdr, "Maximum breakpoint count reached. Breakpoint not set.\n" );
        cmd = REDEBUG_WAIT;
    }
    else {
        breakPoints[breakPointsInx2].actionName = strdup( token->text );
        char * base_ptr = NULL;
        TRY( loc )
        TTYPE( TK_TEXT );
        base_ptr = ( char * ) malloc( sizeof( token->text ) + 2 );
        base_ptr[0] = 'f';
        strcpy( base_ptr + 1, token->text );
        TTEXT( ":" );
        TTYPE( TK_INT );
        breakPoints[breakPointsInx2].base = strdup( base_ptr );
        breakPoints[breakPointsInx2].line = atoi( token->text );
        rodsLong_t range[2];
        char rulesFileName[MAX_NAME_LEN];
        getRuleBasePath( base_ptr, rulesFileName );

        FILE *file;
        /* char errbuf[ERR_MSG_LEN]; */
        file = fopen( rulesFileName, "r" );
        if ( file == NULL ) {
            free( context );
            deletePointer( e );
            free( base_ptr );
            return RULES_FILE_READ_ERROR;
        }
        Pointer *p = newPointer( file, base_ptr );


        if ( getLineRange( p, breakPoints[breakPointsInx2].line, range ) == 0 ) {
            breakPoints[breakPointsInx2].start = range[0];
            breakPoints[breakPointsInx2].finish = range[1];
        }
        else {
            breakPoints[breakPointsInx2].actionName = NULL;
        }
        deletePointer( p );
        OR( loc )
        TTYPE( TK_INT );
        if ( node != NULL ) {
            breakPoints[breakPointsInx2].base = strdup( node->base );
            breakPoints[breakPointsInx2].line = atoi( token->text );
            rodsLong_t range[2];
            Pointer *p = newPointer2( breakPoints[breakPointsInx2].base );
            if ( getLineRange( p, breakPoints[breakPointsInx2].line, range ) == 0 ) {
                breakPoints[breakPointsInx2].start = range[0];
                breakPoints[breakPointsInx2].finish = range[1];
            }
            else {
                breakPoints[breakPointsInx2].actionName = NULL;
            }
            deletePointer( p );
        }
        else {
            breakPoints[breakPointsInx2].actionName = NULL;
        }
        OR( loc )
        /* breakPoints[breakPointsInx].base = NULL; */
        END_TRY( loc )

        free( base_ptr );
        if ( breakPoints[breakPointsInx2].actionName != NULL )
            snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i  set at %s\n", breakPointsInx2,
                      breakPoints[breakPointsInx2].actionName );
        else {
            snprintf( mymsg, MAX_NAME_LEN, "Cannot set breakpoint, source not available\n" );
        }
        _writeXMsg( streamId, myhdr, mymsg );
        if ( breakPointsInx <= breakPointsInx2 ) {
            breakPointsInx = breakPointsInx2 + 1;
        }
        cmd = REDEBUG_WAIT;
    }
    OR( Param )
    NEXT_TOKEN_BASIC;
    _writeXMsg( streamId, myhdr, "Unknown parameter type.\n" );
    cmd = REDEBUG_WAIT;
    OR( Param )
    _writeXMsg( streamId, myhdr, "Debugger command \'break\' requires at least one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( Param )

    OR( DbgCmd )
    TRY( Where )
    TTEXT2( "w", "where" );
    smallW = 1;
    OR( Where )
    TTEXT2( "W", "Where" );
    smallW = 0;
    END_TRY( Where )
    wCnt = 20;
    OPTIONAL_BEGIN( Param )
    TTYPE( TK_INT );
    wCnt = atoi( token->text );
    OPTIONAL_END( Param )
    iLevel = 0;

    i = reDebugStackCurrPtr - 1;
    while ( i >= 0 && wCnt > 0 ) {
        if ( !smallW || ( reDebugPCType( ( RuleEngineEvent ) reDebugStackCurr[i].label ) & 1 ) != 0 ) {
            snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Level %3i", iLevel );
            char msg[HEADER_TYPE_LEN - 1];
            RuleEngineEventParam param;
            param.ruleIndex = 0;
            param.actionName = reDebugStackCurr[i].step;
            printRuleEngineEventLabel( msg, HEADER_TYPE_LEN - 1, ( RuleEngineEvent ) reDebugStackCurr[i].label, &param );
            _writeXMsg( streamId,  myhdr, msg );
            if ( reDebugStackCurr[i].label != EXEC_ACTION_BEGIN ) {
                iLevel++;
            }
            wCnt--;
        }
        i--;
    }
    OR( DbgCmd )
    TTEXT2( "l", "list" );
    TRY( Param )
    TTEXT2( "r", "rule" );
    TRY( ParamParam )
    TTYPE( TK_TEXT );

    mymsg[0] = '\n';
    mymsg[1] = '\0';
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    RuleIndexListNode *node;
    found = 0;
    while ( findNextRule2( token->text, ruleInx, &node ) != NO_MORE_RULES_ERR ) {
        found = 1;
        if ( node->secondaryIndex ) {
            n = node->condIndex->valIndex->len;
            int i;
            for ( i = 0; i < n; i++ ) {
                Bucket *b = node->condIndex->valIndex->buckets[i];
                while ( b != NULL ) {
                    RuleDesc *rd = getRuleDesc( *( int * )b->value );
                    char buf[MAX_RULE_LEN];
                    ruleToString( buf, MAX_RULE_LEN, rd );
                    snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "%i: %s\n%s\n", node->ruleIndex, rd->node->base[0] == 's' ? "<source>" : rd->node->base + 1, buf );
                    b = b->next;
                }
            }
        }
        else {
            RuleDesc *rd = getRuleDesc( node->ruleIndex );
            char buf[MAX_RULE_LEN];
            ruleToString( buf, MAX_RULE_LEN, rd );
            snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "\n  %i: %s\n%s\n", node->ruleIndex, rd->node->base[0] == 's' ? "<source>" : rd->node->base + 1, buf );
        }
        ruleInx ++;
    }
    if ( !found ) {
        snprintf( mymsg, MAX_NAME_LEN, "Rule %s not found\n", token->text );
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( ParamParam )
    _writeXMsg( streamId, myhdr, "Debugger command \'list rule\' requires one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( ParamParam )
    OR( Param )
    TTEXT2( "b", "breakpoints" );
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    mymsg[0] = '\n';
    mymsg[1] = '\0';
    for ( i = 0; i < breakPointsInx; i++ ) {
        if ( breakPoints[i].actionName != NULL ) {
            if ( breakPoints[i].base != NULL ) {
                snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "Breaking at BreakPoint %i:%s %s:%d\n", i , breakPoints[i].actionName, breakPoints[i].base[0] == 's' ? "<source>" : breakPoints[i].base + 1, breakPoints[i].line );
            }
            else {
                snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "Breaking at BreakPoint %i:%s\n", i , breakPoints[i].actionName );
            }
        }
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    TTEXT( "*" );
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    Env *cenv = env;
    mymsg[0] = '\n';
    mymsg[1] = '\0';
    found = 0;
    while ( cenv != NULL ) {
        n = cenv->current->size;
        for ( i = 0; i < n; i++ ) {
            Bucket *b = cenv->current->buckets[i];
            while ( b != NULL ) {
                if ( b->key[0] == '*' ) { /* skip none * variables */
                    found = 1;
                    char typeString[128];
                    typeToString( ( ( Res * )b->value )->exprType, NULL, typeString, 128 );
                    snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "%s of type %s\n", b->key, typeString );
                }
                b = b->next;
            }
        }
        cenv = cenv->previous;
    }
    if ( !found ) {
        snprintf( mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ), "<empty>\n" );
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    syncTokenQueue( e, context );
    skipWhitespace( e );
    ABORT( lookAhead( e, 0 ) != '$' );
    snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Listing %s", token->text );
    mymsg[0] = '\n';
    mymsg[1] = '\0';
    Hashtable *vars = newHashTable( 100 );
    for ( i = 0; i < coreRuleVarDef .MaxNumOfDVars; i++ ) {
        if ( lookupFromHashTable( vars, coreRuleVarDef.varName[i] ) == NULL ) {
            snprintf( &mymsg[strlen( mymsg )], MAX_NAME_LEN - strlen( mymsg ), "$%s\n", coreRuleVarDef.varName[i] );
            insertIntoHashTable( vars, coreRuleVarDef.varName[i], coreRuleVarDef.varName[i] );
        }
    }
    deleteHashTable( vars, NULL );
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    NEXT_TOKEN_BASIC;
    _writeXMsg( streamId, myhdr, "Unknown parameter type.\n" );
    cmd = REDEBUG_WAIT;
    OR( Param )
    _writeXMsg( streamId, myhdr, "Debugger command \'list\' requires at least one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( Param )
    OR( DbgCmd )
    TTEXT2( "c", "continue" );
    cmd = REDEBUG_STEP_CONTINUE;
    OR( DbgCmd )
    TTEXT2( "C", "Continue" );
    cmd = REDEBUG_CONTINUE_VERBOSE;
    OR( DbgCmd )
    TTEXT2( "del", "delete" );
    TRY( Param )
    TTYPE( TK_INT );
    n = atoi( token->text );
    if ( breakPoints[n].actionName != NULL ) {
        free( breakPoints[n].actionName );
        if ( breakPoints[n].base != NULL ) {
            free( breakPoints[n].base );
        }
        breakPoints[n].actionName = NULL;
        breakPoints[n].base = NULL;
        snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i  deleted\n", n );
    }
    else {
        snprintf( mymsg, MAX_NAME_LEN, "Breakpoint %i  has not been defined\n", n );
    }
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    OR( Param )
    _writeXMsg( streamId, myhdr, "Debugger command \'delete\' requires one argument.\n" );
    cmd = REDEBUG_WAIT;
    END_TRY( Param )
    OR( DbgCmd )
    TTEXT2( "p", "print" );
    Node *n = parseTermRuleGen( e, 1, context );
    if ( getNodeType( n ) == N_ERROR ) {
        errMsgToString( context->errmsg, mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ) );
    }
    else {
        snprintf( myhdr, HEADER_TYPE_LEN - 1,   "idbug: Printing " );
        char * ptr = myhdr + strlen( myhdr );
        i = HEADER_TYPE_LEN - 1 - strlen( myhdr );
        termToString( &ptr, &i, 0, MIN_PREC, n, 0 );
        snprintf( ptr, i, "\n" );
        if ( env != NULL ) {
            disableReDebugger( grdf );
            res = computeNode( n, NULL, regionRegionCpEnv( env, r, ( RegionRegionCopyFuncType * ) regionRegionCpNode ), rei, 0, &errmsg, r );
            enableReDebugger( grdf );
            outStr = convertResToString( res );
            snprintf( mymsg, MAX_NAME_LEN, "%s\n", outStr );
            free( outStr );
            if ( getNodeType( res ) == N_ERROR ) {
                errMsgToString( &errmsg, mymsg + strlen( mymsg ), MAX_NAME_LEN - strlen( mymsg ) );
            }
        }
        else {
            snprintf( mymsg, MAX_NAME_LEN, "Runtime environment: <empty>\n" );
        }
    }
    _writeXMsg( streamId, myhdr, mymsg );

    cmd = REDEBUG_WAIT;
    OR( DbgCmd )
    TTEXT2( "d", "discontinue" );
    cmd = REDEBUG_WAIT;
    OR( DbgCmd )
    snprintf( mymsg, MAX_NAME_LEN, "Unknown Action: %s", readmsg );
    _writeXMsg( streamId, myhdr, mymsg );
    cmd = REDEBUG_WAIT;
    END_TRY( DbgCmd )
    PARSER_END( DbgCmd )
    freeRErrorContent( &errmsg );
    region_free( r );
    deletePointer( e );
    free( context );
    return cmd;
}