Function checkCondition

src/debug.cpp:139–205

* Checks whether a breakpoint condition is syntactically valid * and creates a breakpoint condition object if everything's OK. * * @param condition Condition to parse * @param num Number of the breakpoint in the BP list the condition belongs to * @return 0 in case of an error; 2 if everything went fine **/

* @return 0 in case of an error; 2 if everything went fine
**/
int checkCondition(const char* condition, int num)
{
	const char* b = condition;

	// Check if the condition isn't just all spaces.

	int onlySpaces = 1;

	while (*b)
	{
		if (*b != ' ')
		{
			onlySpaces = 0;
			break;
		}

		++b;
	}


	// If there's an actual condition create the BP condition object now

	if (*condition && !onlySpaces)
	{
		Condition* c = generateCondition(condition);

		// Remove the old breakpoint condition before adding a new condition.
		if (watchpoint[num].cond)
		{
			delete watchpoint[num].cond;
			free(watchpoint[num].condText);
			watchpoint[num].cond = 0;
			watchpoint[num].condText = 0;
		}

		// If the creation of the BP condition object was succesful
		// the condition is apparently valid. It can be added to the
		// breakpoint now.

		if (c)
		{
			watchpoint[num].cond = c;
			watchpoint[num].condText = (char*)malloc(strlen(condition) + 1);
			if (!watchpoint[num].condText)
				return 0;
			strcpy(watchpoint[num].condText, condition);
		}
		else
		{
			watchpoint[num].cond = 0;
		}

		return watchpoint[num].cond == 0 ? 2 : 0;
	}
	else
	{
		// Remove the old breakpoint condition
		if (watchpoint[num].cond)