forked from xxq250/Nasal-Interpreter
8e29a3ec5b
I changed callfv's way of calling a function with arguments in vm_vec. now callfv fetches arguments from val_stack directly,so it runs test/fib.nas from 2.4s to 1.9s. delete operand callf,add operands callfv & callfh. also,i check val_stack's top to make sure there is not a stack overflow.