Add load.string to the runtime

2022-08-22 21:45:48 -04:00
parent 0a9f9fd6ad
commit 9f27e956a8
2 changed files with 19 additions and 0 deletions
@@ -622,6 +622,7 @@ do
 	local math_floor = math.floor

 	local string_byte = string.byte
+	local string_char = string.char
 	local string_unpack = string.unpack

 	local reinterpret_f32_i32 = module.reinterpret.f32_i32
@@ -830,6 +831,18 @@ do
 		return reinterpret_f64_i64(raw)
 	end

+	function load.string(memory, addr, len)
+		local buffer = table.create(len)
+
+		for i = 1, len do
+			local raw = load_byte(memory.data, addr + i - 1)
+
+			buffer[i] = string_char(raw)
+		end
+
+		return table.concat(buffer)
+	end
+
 	function store.i32_n8(memory, addr, value)
 		store_byte(memory.data, addr, value)
 	end