// #ADD_EXPRESSION #EXPRESSION PLUS #TERM
private void ConstructAddExpr()
{
var right = nodes.Pop() as AstExpression;
var left = nodes.Pop() as AstExpression;
var expr = new AstAddExpression(left, right);
PushNode(expr);
}
public override bool Visit(AstAddExpression node)
{
ErrorIfIsNull(node.Left);
ErrorIfIsNull(node.Right);
return true;
}
public override bool Visit(AstAddExpression node)
{
return true;
}
public override bool Visit(AstAddExpression node)
{
node.Left.Accept(this);
string addLine = " = add i32 " + GetCurrUnnamedVariable() + ", ";
node.Right.Accept(this);
addLine += GetCurrUnnamedVariable();
codeStream.WriteLine(CreateUnnamedVariable() + addLine);
SaveArg("i32 " + GetCurrUnnamedVariable());
return false;
}
public override bool Visit(AstAddExpression node)
{
var leftType = resolver.Resolve(node.Left);
var rightType = resolver.Resolve(node.Right);
if (leftType != BuiltInTypes.INT || rightType != BuiltInTypes.INT)
{
DispatchError(node.TextPosition, "Add operation available only for integer types.");
return false;
}
return true;
}
public abstract bool Visit(AstAddExpression node);