LEElement *LEElementPool::parseExpression(const char * line) {
LEElement *first = NULL;
LEElement *last = NULL;
while (true) {
line = getNextToken(line, parsingBuffer);
if (line == NULL) {
/**
* No more tokens in this line
*/
return first;
}
LEElement *n = next();
if (isNumeric(parsingBuffer)) {
n->init(LE_NUMERIC_VALUE, atoff(parsingBuffer));
} else {
le_action_e action = parseAction(parsingBuffer);
if (action == LE_UNDEFINED) {
/**
* Cannot recognize token
*/
warning((obd_code_e) 0, "unrecognized [%s]", parsingBuffer);
return NULL;
}
n->init(action);
}
if (first == NULL) {
first = n;
last = n;
} else {
last->next = n;
last = last->next;
}
}
return first;
}
void testLogicExpressions(void) {
printf("*************************************************** testLogicExpressions\r\n");
testParsing();
LECalculator c;
LEElement value1;
value1.init(LE_NUMERIC_VALUE, 123.0);
c.add(&value1);
assertEqualsM("123", 123.0, c.getValue(0, NULL));
LEElement value2;
value2.init(LE_NUMERIC_VALUE, 321.0);
c.add(&value2);
LEElement value3;
value3.init(LE_OPERATOR_AND);
c.add(&value3);
assertEqualsM("123 and 321", 1.0, c.getValue(0, NULL));
/**
* fuel_pump = (time_since_boot < 4 seconds) OR (rpm > 0)
* fuel_pump = time_since_boot 4 less rpm 0 > OR
*/
c.reset();
LEElement thepool[TEST_POOL_SIZE];
LEElementPool pool(thepool, TEST_POOL_SIZE);
LEElement *e = pool.next();
e->init(LE_METHOD_TIME_SINCE_BOOT);
e = pool.next();
e->init(LE_NUMERIC_VALUE, 4);
e = pool.next();
e->init(LE_OPERATOR_LESS);
e = pool.next();
e->init(LE_METHOD_RPM);
e = pool.next();
e->init(LE_NUMERIC_VALUE, 0);
e = pool.next();
e->init(LE_OPERATOR_MORE);
e = pool.next();
e->init(LE_OPERATOR_OR);
pool.reset();
LEElement *element;
element = pool.parseExpression("fan no_such_method");
assertTrueM("NULL expected", element == NULL);
/**
* fan = (not fan && coolant > 90) OR (fan && coolant > 85)
* fan = fan NOT coolant 90 AND more fan coolant 85 more AND OR
*/
mockFan = 0;
mockCoolant = 100;
testExpression("coolant", 100);
testExpression("fan", 0);
testExpression("fan not", 1);
testExpression("coolant 90 >", 1);
testExpression("fan not coolant 90 > and", 1);
testExpression("100 200 1 if", 200);
testExpression("10 99 max", 99);
testExpression2(123, "10 self max", 123);
testExpression("fan NOT coolant 90 > AND fan coolant 85 > AND OR", 1);
{
LEElement thepool[TEST_POOL_SIZE];
LEElementPool pool(thepool, TEST_POOL_SIZE);
LEElement * element = pool.parseExpression("fan NOT coolant 90 > AND fan coolant 85 > AND OR");
assertTrueM("Not NULL expected", element != NULL);
LECalculator c;
assertEqualsM("that expression", 1, c.getValue2(0, element, NULL));
assertEquals(12, c.currentCalculationLogPosition);
assertEquals(102, c.calcLogAction[0]);
assertEquals(0, c.calcLogValue[0]);
}
testExpression("coolant", 100);
testExpression("fan_off_setting", 0);
testExpression("coolant fan_off_setting >", 1);
testExpression("0 1 &", 0);
testExpression("0 1 |", 1);
testExpression("0 1 >", 0);
testExpression(FAN_CONTROL_LOGIC, 1);
mockRpm = 900;
testExpression(FUEL_PUMP_LOGIC, 1);
}