package midend.visit;

import java.util.ArrayList;

import frontend.ast.block.Block;
import frontend.ast.block.BlockItem;
import frontend.ast.block.Stmt;
import frontend.ast.decl.Decl;
import midend.symbol.SymbolManager;

public class VisitorBlock {
    public static void visitBlock(Block block) {
        if (!block.isFuncBlock()) {
            SymbolManager.nextTable();
        }
        // System.out.println("(block)now table: " + SymbolManager.getCurrentTableId());
        // System.out.println("bsequence: " + SymbolManager.getCurrentSequence());//TODO:debug
        ArrayList<BlockItem> blockItems = block.getBlockItems();
        for (BlockItem blockItem : blockItems) {
            visitBlockItem(blockItem);
        }
        if (!block.isFuncBlock()) {
            SymbolManager.nextTable();
        }
        // System.out.println("(block)now table: " + SymbolManager.getCurrentTableId());//TODO:debug
    }

    public static void visitBlockItem(BlockItem blockItem) {
        if (blockItem.getChild(0) instanceof Decl) {
            VisitorDecl.visitDecl((Decl) blockItem.getChild(0));
        } else {
            VisitorStmt.visitStmt((Stmt) blockItem.getChild(0));
        }
    }
}