float SFCurvedTubeFunction::getX(float u,float v) {
evalAll(v);
cos_=(float)(cos(2*M_PI*u));
sin_=(float)(sin(2*M_PI*u));
return Ccv.getX()+cos_*Vec1v.getX()+sin_*Vec2v.getX();
}
int main(int argc, char *argv[]) {
Value *valueTree = malloc(sizeof(*valueTree)); // are you sure we need to malloc here
valueTree->type = listType;
int depth = 0;
Value *exprValue = malloc(sizeof(*exprValue)); // are you sure we need to malloc here
LinkedList *tokens = malloc(sizeof(*tokens)); // are you sure we need to malloc here
//LinkedList *parseTree = NULL;
LinkedList *leftoverTokens = malloc(sizeof(*leftoverTokens)); // are you sure we need to malloc here!
//printf("before createTopFrame\n");
Environment *topFrame = createTopFrame();
//printf("after createTopFrame\n");
//create(tokens);
//create(leftoverTokens);
char *expression = malloc(256 * sizeof(char));
printf("> "); // can we put this into the fets??
while (fgets(expression, 255, stdin)) {
//printf("fgets\n");
tokens = tokenize(expression);
//printf("tokenized\n");
if (!tokens) { // store a tail, if last thing in token list is null
printf("syntax error\n"); // get the line number somehow
return SYNTAX_ERROR_UNTOKENIZABLE;
}
//printf("tokens:\n");
//printList(tokens);
//printf("about to append\n");
//printList(leftoverTokens);
tokens = append(leftoverTokens, tokens);
//printf("appended tokens\n");
//printList(tokens);
valueTree->val.listValue = parse(tokens, &depth);
//printf("parsed\n");
//printf("THE TREE:\n");
//printParseTree(valueTree->val.listValue->head);
//printf("\n");
//printf("xxxxx: %s\n", valueTree->val.listValue->head->value->val.symbolValue);
if (depth < 0) {
printf("syntax error: too many close parentheses\n");
return SYNTAX_ERROR_TOO_MANY_CLOSE_PARENTHESES;
}
else if (depth > 0) {
//printf("we have leftovers\n");
//leftoverTokens = tokens;
depth = 0;
}
else {
if (valueTree) {
evalAll(valueTree, topFrame);
printf("evaluated\n");
}
else {
printf("null parse tree\n");
}
//printf("\n");
create(leftoverTokens); //Deal with memory stuff.
}
printf("> "); // do not print this out if we have leftover tokens
}
free(expression);
// think about destroying tokens at the end
return 0;
}
