int checkRepeatExpression(char *expression)
{
Rewind();
char *first = nextToken();
char *second = nextToken();
char *third = nextToken();
char *fourth = nextToken();
char *fifth = nextToken();
if (checkREPEAT(first, strlength(first))&&
checkN(second, strlength(second))&&
checkTIMES(third, strlength(third))&&
checkCommandList(fourth, strlength(fourth))&&
checkEND(fifth, strlength(fifth)))
{
free(first);
free(second);
free(third);
free(fourth);
free(fifth);
return 1;
} else
{
free(first);
free(second);
free(third);
free(fourth);
free(fifth);
return 0;
}
return 1;
}
int checkWhileExpression(char *expression)
{
Rewind();
char *first = nextToken();
char *second = nextToken();
char *third = nextToken();
char *fourth = nextToken();
char *fifth = nextToken();
char *sixth = nextToken();
if (checkWHILE(first, strlength(first))&&
checkNOT(second, strlength(second))&&
isValidCommand(third)&&
checkDO(fourth, strlength(fourth))&&
checkCommandList(fifth, strlength(fifth))&&
checkEND(sixth, strlength(sixth)))
{
free(first);
free(second);
free(third);
free(fourth);
free(fifth);
free(sixth);
return 1;
} else
{
free(first);
free(second);
free(third);
free(fourth);
free(fifth);
free(sixth);
return 0;
}
}
command_stream_t
make_command_stream (int (*get_next_byte) (void *),
void *get_next_byte_argument)
{
//exit(1);
/* FIXME: Replace this with your implementation. You may need to
add auxiliary functions and otherwise modify the source code.
You can also use external functions defined in the GNU C Library. */
//printf("make_command_stream");
char* fileString = getTextFromFile(get_next_byte, get_next_byte_argument);
//printString(fileString);
//checkParen(fileString);
//printf("before makeCommandList");
command_t commList = makeCommandList(fileString);
//printString(fileString);
//printf("sizeList: %d\n", g_commandListLength);
//printCommandList(commList, g_commandListLength);
//printCommandList(commList, g_commandListLength);
//printString(fileString);
checkCommandList(commList);
//printCommandList(commList, g_commandListLength);
checkParen(commList);
//printCommandList(commList, g_commandListLength);
int numSequenceCommands = countSequenceCommands(commList);
int* rootList = malloc(sizeof(int)*numSequenceCommands);
int rootListIndex = 0;
int i = 0;
//int index = -1;
int index = buildTree(commList, i, rootListIndex, rootList);
while(index != -1)
{
rootListIndex++;
//printf("rootListIndex: %d\n", rootListIndex);
// printf("last index: %d\n", index);
index = buildTree(commList, index+1, rootListIndex, rootList);
}
int j;
for(j = 0; j < numSequenceCommands+1; j++)
{
//printf("index %d: %d\n", j, rootList[j]);
}
int k;
command_t* finalCommList = malloc(sizeof(command_t)*(numSequenceCommands+1));
int kmax = numSequenceCommands;
//printf("numSequenceCommands: %d\n", numSequenceCommands);
int last = g_commandListLength-1;
/*for(last; last> 0; last--)
{
if(commList[last].type != IGNORE_COMMAND && commList[last].type != NEW_LINE && commList[last].type != SEQUENCE_COMMAND)
{
break;
}
if(commList[last].type == SEQUENCE_COMMAND)
{
kmax--;
}
}*/
/*if(commList[g_commandListLength-2].type == SEQUENCE_COMMAND)
{
printf("kmax--");
kmax--;
}
else
{
}*/
for(k = 0; k < kmax; k++)
{
//printf("add to final comm list: %d\n", k);
int index = rootList[k];
finalCommList[k] = &commList[index];
}
int x;
for(x = 0; x < kmax; x++)
{
//printf("print final comm list: %d\n", x);
//print_command(finalCommList[x]);
}
command_stream_t treeList = malloc(sizeof(struct command_stream));
treeList->treeHead = finalCommList;
treeList->size = kmax;
/*//int size = sizeof(command_t);
//int k = sizeof(int*);
//printf("size of int*: %d\n", k);
//printf(typeof(command_t));
//printf("size of command_t: %d\n", sizeof(command_t));
*/
/*int i;
for(i = 0; i < 3; i++)
{
printf("commList[%d].status: %d", i, commList[i].status);
}*/
//error (1, 0, "command reading not yet implemented");
/*char* ch = malloc(sizeof(char)*2);
ch[0] = 't';
ch[1] = 'e';
printf("%s\n", ch);*/
//free(rootList);
free(fileString);
return treeList;
return 0;
}
