Function SIValue_ConcatList

src/value.c:450–475

assumption: either a or b is a list - static function, the caller validate types

// assumption: either a or b is a list - static function, the caller validate types
static SIValue SIValue_ConcatList(const SIValue a, const SIValue b) {
	uint a_len = (a.type == T_ARRAY) ? SIArray_Length(a) : 1;
	uint b_len = (b.type == T_ARRAY) ? SIArray_Length(b) : 1;
	SIValue resultArray = SI_Array(a_len + b_len);

	// Append a to resultArray
	if(a.type == T_ARRAY) {
		// in thae case of a is an array
		for(uint i = 0; i < a_len; i++) SIArray_Append(&resultArray, SIArray_Get(a, i));
	} else {
		// in thae case of a is not an array
		SIArray_Append(&resultArray, a);
	}

	if(b.type == T_ARRAY) {
		// b is an array
		uint bArrayLen = SIArray_Length(b);
		for(uint i = 0; i < bArrayLen; i++) {
			SIArray_Append(&resultArray, SIArray_Get(b, i));
		}
	} else {
		// b is not an array
		SIArray_Append(&resultArray, b);
	}
	return resultArray;
}

SIValue SIValue_Add(const SIValue a, const SIValue b) {
	if(a.type == T_NULL || b.type == T_NULL) return SI_NullVal();