/*public ObjectType getExpressionType()
* {
* Token.TokenValue e1Type = e1.getExpressionType(), e2Type = e2.getExpressionType();
*
* switch (value)
* {
*
* case Token.TokenValue.EQBOOL:
* if (e1Type == e2Type
* && e1Type != Token.TokenValue.NONE)
* {
* return e1Type;
* }
* break;
*
* case Token.TokenValue.AND:
* case Token.TokenValue.OR:
* if (e1Type == Token.TokenValue.BOOL
* && e2Type == Token.TokenValue.BOOL)
* {
* return Token.TokenValue.BOOL;
* }
* break;
*
* case Token.TokenValue.LT:
* case Token.TokenValue.GT:
* case Token.TokenValue.LEQ:
* case Token.TokenValue.GEQ:
* if (e1Type == e2Type
* && (e1Type == Token.TokenValue.INT || e1Type == Token.TokenValue.STRING))
* {
* return Token.TokenValue.BOOL;
* }
* break;
*
* case Token.TokenValue.PLUSEQ:
* if (e1Type == Token.TokenValue.STRING)
* {
* return Token.TokenValue.STRING;
* }
* else if(e1Type == Token.TokenValue.INT && e2Type == Token.TokenValue.INT)
* {
* return e1Type; //INT
* }
* break;
*
* case Token.TokenValue.MINUSEQ:
* case Token.TokenValue.TIMESEQ:
* case Token.TokenValue.DIVEQ:
* if (e1Type == e2Type
* && e1Type == Token.TokenValue.INT)
* {
* return e1Type; //INT
* }
* break;
*
* case Token.TokenValue.PLUS:
* if (e1Type == Token.TokenValue.STRING
|| e2Type == Token.TokenValue.STRING)
|| {
|| return Token.TokenValue.STRING;
|| }
|| else if (e1Type == Token.TokenValue.INT
|| && e2Type == Token.TokenValue.INT)
|| {
|| return Token.TokenValue.INT;
|| }
|| break;
||
|| case Token.TokenValue.MINUS:
|| case Token.TokenValue.TIMES:
|| case Token.TokenValue.DIV:
|| if (e1Type == Token.TokenValue.INT
|| && e2Type == Token.TokenValue.INT)
|| {
|| return Token.TokenValue.INT;
|| }
|| break;
||
||
|| }
||
|| Printer.printError("incompatible types");
|| return Token.TokenValue.NULL;
||}*/
public override ObjectType getExpressionType()
{
ObjectType e1Type = e1.getExpressionType(), e2Type = e2.getExpressionType();
switch (op)
{
case Token.TokenValue.EQBOOL:
if (e1Type == e2Type)
{
return(ObjectType.booleanType);
}
break;
case Token.TokenValue.AND:
case Token.TokenValue.OR:
if (e1Type == ObjectType.booleanType &&
e2Type == ObjectType.booleanType)
{
return(ObjectType.booleanType);
}
break;
case Token.TokenValue.LT:
case Token.TokenValue.GT:
case Token.TokenValue.LEQ:
case Token.TokenValue.GEQ:
if (e1Type == ObjectType.intType &&
e2Type == ObjectType.intType)
{
return(ObjectType.booleanType);
}
break;
case Token.TokenValue.PLUS:
if (e1Type == ObjectType.stringType ||
e2Type == ObjectType.stringType)
{
return(ObjectType.stringType);
}
else if (e1Type == ObjectType.intType &&
e2Type == ObjectType.intType)
{
return(ObjectType.intType);
}
//erreur
break;
//return ObjectType.intType;
case Token.TokenValue.MINUS:
case Token.TokenValue.TIMES:
case Token.TokenValue.DIV:
if (e1Type == ObjectType.intType &&
e2Type == ObjectType.intType)
{
return(ObjectType.intType);
}
//erreur
break;
//return ObjectType.intType;
default:
return(ObjectType.undefinedType);
}
return(ObjectType.undefinedType);
}
public override ObjectType getExpressionType()
{
return(exp.getExpressionType());
}
