package slangc.model.clauses;

import slang.data.List;
import slangc.api.Reporter;
import slangc.model.ExpressionModel;
import slangc.model.ExpressionOwner;
import slangc.model.InnerTypeScope;
import slangc.model.MemberModel;
import slangc.model.StatementOwner;
import slangc.model.TypeModel;
import slangc.parser.Branch;
import slangc.parser.Node;
import slangc.parser.NodeType;

public class Expressions extends ExpressionsOrVariables implements ExpressionOwner {
	private List<ExpressionModel> exprs = new List<ExpressionModel>();
	public Expressions(ExpressionOwner owner, Branch source) {
		super(owner, source);
		for (int i = 0; i < source.countSubnodes(); i++) {
			Node n = source.getSubnode(i);
			if (n.getNodeType() != NodeType.COMMA) {
				exprs.append(ExpressionModel.construct(this, n));
			}
		}
	}


	@Override
	public void dump(Reporter reporter, String indent, String incr) {
		reporter.note("DUMP", indent + "> Expressions:");
		// do not recurse: type.dump(reporter, indent + incr, incr);
		for (int i = 0; i < exprs.count(); i++) {
			exprs.get(i).dump(reporter, indent + incr, incr);
		}
	}
	
	@Override
	public int resolveExpressions() {
		int nresolved = 0;
		for (int i = 0; i < exprs.count(); i++) {
			nresolved += exprs.get(i).resolveExpressions();
		}
		return nresolved;
	}
	
	//@Override
	public TypeModel getExpectedResult(ExpressionModel e) {
		return getOwner().getExpectedResult(e);
	}


	//@Override
	public InnerTypeScope getTypeScope() {
		return getOwner().getTypeScope();
	}


	//@Override
	public TypeModel resolveType(Node subnode) {
		return getOwner().resolveType(subnode);
	}


	//@Override
	public MemberModel getMethodOrField() {
		return getOwner().getMethodOrField();
	}
	
	@Override
	public ExpressionOwner getOwner() {
		// TODO Auto-generated method stub
		return (ExpressionOwner) super.getOwner();
	}
	


	//@Override
	public ExpressionModel[] getSubexpressions() {
		ExpressionModel[] result = new ExpressionModel[exprs.count()];
		for (int i = 0; i < result.length; i++) {
			result[i] = exprs.get(i);
		}
		return result;
	}
	
	public String resultString() {
		String r = "(";
		
		for (int i = 0; i < exprs.count(); i++) {
			if (i != 0) {
				r += ",";
			}
			r += exprs.get(i).getResult();
		}
		
		return r + ")";
	}
	
	public int countExpressions() {
		return exprs.count();
	}
	
	public ExpressionModel getExpression(int i) {
		return exprs.get(i);
	}
}