package midend.visit;

import java.util.ArrayList;

import frontend.ast.CompUnit;
import frontend.ast.decl.Decl;
import frontend.ast.func.FuncDef;
import frontend.ast.func.MainFuncDef;
import midend.symbol.SymbolManager;

public class Visitor {
    private CompUnit compUnit;

    public Visitor(CompUnit compUnit) {
        this.compUnit = compUnit;
        SymbolManager.reset();
        SymbolManager.nextTable();
    }

    public void visit() {
        ArrayList<Decl> decls = this.compUnit.GetDecls();
        ArrayList<FuncDef> funcDefs = this.compUnit.GetFuncDefs();
        MainFuncDef mainFuncDef = this.compUnit.GetMainFuncDef();

        for (Decl decl : decls) {
            VisitorDecl.visitDecl(decl);
        }

        for (FuncDef funcDef : funcDefs) {
            VisitorFuncDef.visitFuncDef(funcDef);
        }

        VisitorFuncDef.visitMainFuncDef(mainFuncDef);
    }
    //:TODO:符号表的变换，什么时候往前进一个符号表，这需要人工手工来操作
}