private StmtIf ParseStmtElif()
{
StmtBlock elseObj = null;
var branches = new List <Branch>();
branches.Add(ParseStmtIf());
while (Accept(TokenType.Else) != null)
{
List <IStatement> stmtBlock;
if (Accept(TokenType.If) != null)
{
var expression = ParseExprParen();
stmtBlock = ParseStmtBlock();
branches.Add(new Branch(expression, new StmtBlock(stmtBlock)));
}
else
{
stmtBlock = ParseStmtBlock();
elseObj = new StmtBlock(stmtBlock);
break;
}
}
return(new StmtIf(branches, elseObj));
}
public Branch(IExpression condition, StmtBlock body)
{
AddChildren(condition, body);
Condition = condition;
Body = body;
EndLabel = new Label();
}
public StmtWhile(IExpression condition, StmtBlock body)
{
AddChildren(condition, body);
this.condition = condition;
this.body = body;
startLabel = new Label();
endLabel = new Label();
}
public StmtIf(List <Branch> branches, StmtBlock elseBody)
{
/*var temp = new Node[branches.Count + 1];
* temp[branches.Count] = elseBody;*/
AddChildren(branches.ToArray());
AddChildren(elseBody);
this.Branches = branches;
this.ElseBody = elseBody;
ElseLabel = new Label();
AfterElseLabel = new Label();
}