int parse_and_print_to_stdout(const char * operation)
{
if (NULL == operation)
{
skip_line(stdin);
return -1;
}
if (0 == strcmp(OP_INSERT, operation))
{
if (0 != parse_insert(stdin, word_buffer, MAX_WORD_LEN))
return -1;
int word_num = trie_insert(word_buffer);
if (word_num < 0)
return -1;
printf("word number: %d\n", word_num);
}
if (0 == strcmp(OP_PREV, operation))
{
int number, start, end;
if (0 != parse_prev(stdin, &number, &start, &end))
return -1;
int word_num = trie_prev(number, start, end);
if (word_num < 0)
return -1;
printf("word number: %d\n", word_num);
}
if (0 == strcmp(OP_DELETE, operation))
{
int number;
if (0 != parse_delete(stdin, &number))
return -1;
int word_num = trie_delete(number);
if (word_num < 0)
return -1;
printf("deleted: %d\n", number);
}
if (0 == strcmp(OP_FIND, operation))
{
if (0 != parse_find(stdin, word_buffer, MAX_WORD_LEN))
return -1;
int find_result = trie_find(word_buffer, strlen(word_buffer));
if (find_result < 0)
return -1;
puts(find_result == 0 ? "YES" : "NO");
}
if (0 == strcmp(OP_CLEAR, operation))
{
if (0 != parse_clear(stdin))
return -1;
if (0 != trie_clear())
return -1;
puts("cleared");
}
return 0;
}
// factor = number | string_literal | "(" expression ")" |
// variable | "this" | "null" | "true" | "false" |
// "{" object_literal "}" |
// "[" array_literal "]" |
// function_definition |
// function_call
static enum v7_err parse_factor(struct v7 *v7) {
int old_sp = v7_sp(v7);
if (*v7->cursor == '(') {
TRY(match(v7, '('));
TRY(parse_expression(v7));
TRY(match(v7, ')'));
} else if (*v7->cursor == '\'' || *v7->cursor == '"') {
TRY(parse_string_literal(v7));
} else if (*v7->cursor == '{') {
TRY(parse_object_literal(v7));
} else if (is_alpha(*v7->cursor) || *v7->cursor == '_') {
TRY(parse_identifier(v7));
if (test_token(v7, "this", 4)) {
inc_stack(v7, 1);
v7_top(v7)[-1] = &v7->scopes[v7->current_scope];
} else if (test_token(v7, "null", 4)) {
TRY(v7_make_and_push(v7, V7_NULL));
} else if (test_token(v7, "true", 4)) {
TRY(v7_make_and_push(v7, V7_BOOL));
v7_top(v7)[-1]->v.num = 1;
} else if (test_token(v7, "false", 5)) {
TRY(v7_make_and_push(v7, V7_BOOL));
v7_top(v7)[-1]->v.num = 0;
} else if (test_token(v7, "function", 8)) {
TRY(parse_function_definition(v7, NULL, 0));
} else if (test_token(v7, "delete", 6)) {
TRY(parse_delete(v7));
} else {
TRY(parse_variable(v7));
}
} else {
TRY(parse_num(v7));
}
if (*v7->cursor == '(') {
TRY(parse_function_call(v7));
}
// Don't leave anything on stack if no execution flag is set
if (v7->no_exec) {
inc_stack(v7, old_sp - v7->sp);
}
return V7_OK;
}
int set_remove_l(intset_l_t *set, val_t val, int transactional)
{
if (transactional == 2) return parse_delete(set, val);
else return lockc_delete(set, val);
}
