Add arrset

1 files changed, 13 insertions, 0 deletions

diff --git a/functions.cpp b/functions.cpp
index 792e2cc..f4beeb9 100644
--- a/functions.cpp
+++ b/functions.cpp
@@ -421,6 +421,19 @@ unordered_map<string,function<void(vector<Stackitem>&,unordered_map<string,Stack
 		S.push_back(S.back().arrval[idx.intval]);
 	}},
 	//leaves the array on the stack
+	{"arrset",[](vector<Stackitem> &S,unordered_map<string,Stackitem> &variables){
+		BUILTIN_GUARD_STACKSIZE("arrset",3)
+		const Stackitem idx=move(S.back()); S.pop_back();
+		Stackitem val=move(S.back()); S.pop_back();
+		if(idx.type!=SIT_INT)
+			throw string("Second argument to 'arrset' not a number");
+		if(S.back().type!=SIT_ARR)
+			throw string("Top of stack is not an array in builtin 'arrset'");
+		if(idx.intval<0||idx.intval>=S.back().arrval.size())
+			throw string("Index argument to 'arrset' out of range");
+		S.back().arrval[idx.intval]=move(val);
+	}},
+	//leaves the array on the stack
 	{"arrlen",[](vector<Stackitem> &S,unordered_map<string,Stackitem> &variables){
 		BUILTIN_GUARD_STACKSIZE("arrlen",1)
 		if(S.back().type!=SIT_ARR)