private Stmt Assign()
{
Word t = look as Word;
ExceptGrammar(Tag.IDENTITY);
Stmt stmt;
Id id = top[t.lexeme];
if (id == null)
{
throw new TokenIdentityNotDeclareException(t);
}
if (Except(Tag.Equal))
{
stmt = new Set(id, Bool());
}
else if (Except(Tag.LeftPar))
{
//func call
stmt = new Call(new FuncCall((id as IdFunc).Func, ReadParams()));
}
else
{
ExceptGrammar(Tag.LeftBra);
Access x = Offset(id);
ExceptGrammar(Tag.Equal);
stmt = new SetElem(x, Bool());
}
return(stmt);
}
private Stmt AssignStmt()
{
Stmt stmt;
var t = _look;
Match(Tag.ID);
var id = _top.Get(t);
if (id == null)
{
throw new Error("near line " + Lexer.Line + ": " + t + " undeclared");
}
if (_look.Tag == '=')
{
Move();
stmt = new Set(id, BoolExpr());
}
else
{
var x = Offset(id);
Match('=');
stmt = new SetElem(x, BoolExpr());
}
Match(';');
return(stmt);
}
internal virtual Stmt assign()
{
Stmt stmt;
Token t = look;
match(Tag.ID);
Id id = top.get(t);
if (id == null)
{
error(t.ToString() + " undeclared");
}
if (look.tag == '=')
{ // S -> id = E ;
move();
stmt = new Set(id, boolean());
}
else
{ // S -> L = E ;
Access x = offset(id);
match('=');
stmt = new SetElem(x, boolean());
}
match(';');
return(stmt);
}
Stmt assign()
{
Stmt stmt;
Token t = look;
match(Tag.ID);
Id id = top.get(t);
if (id == null)
{
error(t.ToString() + " undeclared");
}
if (look.tag == '=')
{
move();
stmt = new Set(id, bool_expr(), compileRows);
}
else
{
Access x = offset(id);
match('=');
stmt = new SetElem(x, bool_expr(), compileRows);
}
match(';');
return(stmt);
}
public void TestSetElem()
{
var acc = new Access(new Id(new Word("arr", Tag.ID), Sara.Type.Int, 0x20), new Constant(20), Sara.Type.Int);
var setElem = new SetElem(acc, new Constant(42));
setElem.Gen(10, 20);
//Output:
// arr [ 20 ] = 42
}
private List <dynamic> ProcessSets(ActorBrain actorBrain, Dialog dialog, XmlNode node)
{
List <dynamic> listSetElem = new List <dynamic>();
if (node == null)
{
return(listSetElem);
}
bool oneUse = ExistsChildNode(node, "oneuse");
foreach (XmlNode childNode in node)
{
SetElem setElem = ProcessSetElem(actorBrain, dialog, childNode, oneUse);
if (setElem != null)
{
listSetElem.Add(setElem);
}
}
return(listSetElem);
}
private SetElem ProcessSetElem(ActorBrain actorBrain, Dialog dialog, XmlNode node, bool oneUse)
{
dynamic setElem = null;
switch (node.Name)
{
case "set":
setElem = new SetElem(actorBrain, dialog);
break;
case "inc":
setElem = new SetElemIncVar(actorBrain, dialog, false);
break;
case "dec":
setElem = new SetElemIncVar(actorBrain, dialog, true);
break;
}
if (setElem != null)
{
oneUse = oneUse || ExistsChildNode(node, "oneuse");
string name = FindChildText(node, "name");
string value = null;
SetFunctionElem functionElem = null;
XmlNode funcNode = FindChildNode(node, "value");
if (funcNode != null)
{
functionElem = ProcessSetFunctionElem(actorBrain, GetChildNode(funcNode));
}
if (functionElem == null)
{
value = FindChildText(node, "value");
if (value != null && value.Length == 0)
{
value = null;
}
}
if (name != null)
{
name = name.ToLower();
}
else
{
name = GetTextNode(node);
if (name != null && name.Length == 0)
{
name = null;
}
}
setElem.SetOneUse(oneUse);
setElem.SetName(name);
setElem.SetValue(value);
setElem.SetFunction(functionElem);
}
return(setElem);
}
