public void Compile()
{
CEnv env = new CEnv(globals, functions);
Generator gen = new Generator();
String mainLabel = env.GetFun("main");
foreach (VarDecl varDecl in globals.Values)
{
env.CompileAndDeclare(gen, varDecl);
}
gen.Emit(new CALL(0, mainLabel));
gen.Emit(Instruction.STOP);
foreach (FunDecl funDecl in functions.Values)
{
funDecl.Compile(new CEnv(env), gen);
}
gen.PrintCode();
int[] bytecode = gen.ToBytecode();
using (TextWriter wr = new StreamWriter("a.out")) {
foreach (int b in bytecode)
{
wr.Write(b);
wr.Write(" ");
}
}
}
public void Compile(CEnv env, Generator gen)
{
env.PushEnv();
foreach (VarDecl parameter in parameters)
{
env.DeclareLocal(parameter);
}
gen.Label(env.GetFun(name));
body.Compile(env, gen);
gen.Emit(new RET(parameters.Length - 1));
env.PopEnv();
}
public override void Compile(CEnv env, Generator gen)
{
int n = arguments.Length;
for (int i = 0; i < n; i++)
{
arguments[i].Compile(env, gen);
}
String funLabel = env.GetFun(funName);
gen.Emit(new CALL(n, funLabel));
}
