Jurassic.Compiler.DynamicILGenerator.Emit2ByteOpCode C# (CSharp) Method

        private void Emit2ByteOpCode(byte opCode1, byte opCode2, int popCount, int pushCount)
        {
            // Enlarge the array if necessary.
            const int instructionSize = 2;
            if (this.offset + instructionSize >= this.bytes.Length)
                EnlargeArray(instructionSize);

            // Emit the instruction bytes.
            this.bytes[this.offset++] = opCode1;
            this.bytes[this.offset++] = opCode2;

            // The instruction pops two values and pushes a value to the stack.
            if (this.stackSize < popCount)
                throw new InvalidOperationException("Stack underflow");
            this.stackSize += pushCount - popCount;
            this.maxStackSize = Math.Max(this.stackSize, this.maxStackSize);
        }