public override bool Visit(AstWhileStatement node)
{
ErrorIfIsNull(node.Condition);
ErrorIfIsNull(node.Statements);
return true;
}
public override bool Visit(AstWhileStatement node)
{
return true;
}
public override bool Visit(AstWhileStatement node)
{
string currWhileIndex = CreateWhileUse().ToString(); ;
codeStream.WriteLine("br label %whilecond" + currWhileIndex);
codeStream.WriteLine("whilestart" + currWhileIndex + ":");
node.Statements.Accept(this);
codeStream.WriteLine("br label %whilecond" + currWhileIndex);
codeStream.WriteLine("whilecond" + currWhileIndex + ":");
node.Condition.Accept(this);
var condExprResult = GetCurrUnnamedVariable();
codeStream.WriteLine(CreateUnnamedVariable() + " = icmp eq i1 1, " + condExprResult);
codeStream.WriteLine("br i1 " + GetCurrUnnamedVariable() + ", label %whilestart" + currWhileIndex + ", label %endwhile" + currWhileIndex);
codeStream.WriteLine("endwhile" + currWhileIndex + ":");
//codeStream
return false;
}
// #WHILE_STATEMENT WHILE LEFT_PAREN #OR_TEST RIGHT_PAREN BLOCK_START #STATEMENTS_BLOCK BLOCK_END
private void ConstructWhileStatement()
{
var block = nodes.Pop() as AstStatementsBlock;
var condition = nodes.Pop() as AstExpression;
var stmt = new AstWhileStatement(condition, block);
PushNode(stmt);
}
public abstract bool Visit(AstWhileStatement node);
