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46 lines
803 B
46 lines
803 B
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace SuperBASIC
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{
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class Runtime
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{
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public float register;
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internal Library lib;
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Bytecode code;
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internal int pc = 0;
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public Runtime(Library library)
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{
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lib = library;
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}
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public void OpenFile(string path)
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{
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code = new Parser(this).ParseFile(path);
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}
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public void Run()
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{
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for(pc = 0; pc < code.bytecode.Count;)
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{
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int opcode = code.bytecode[pc].GetOperand();
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int arity = lib.arities[opcode];
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IFunction op = lib.functions[opcode];
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var args = code.bytecode.GetRange(pc + 1, arity);
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SetRegister(op.Apply(args));
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pc += arity + 1;
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}
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}
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internal void SetRegister(float value)
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{
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register = value;
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}
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internal float GetRegister()
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{
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return register;
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}
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}
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}
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