// ArrayLen ---
// Exp array;
public IrExp visit(AstArrayLen n)
{
return new IrMem(n.array.accept(this));
}
/* throws ParseException */
/* final */
public static AstExp astExp()
{
AstType t;
AstToken n;
AstRelop.OP relop;
AstBinop.OP binop;
AstUnop.OP unop;
AstExp e, e1, e2;
AstExpList el;
jj_consume_token(AstRegExpId.kw56);
switch ((jj_ntk == AstRegExpId.UNDEFINED)?jj_ntk_fn():jj_ntk) {
case AstRegExpId.kwArrayElm:
jj_consume_token(AstRegExpId.kwArrayElm);
e1 = astExp();
e2 = astExp();
e = new AstArrayElm(e1,e2);
break;
case AstRegExpId.kwArrayLen:
jj_consume_token(AstRegExpId.kwArrayLen);
e1 = astExp();
e = new AstArrayLen(e1);
break;
case AstRegExpId.kwBinop:
jj_consume_token(AstRegExpId.kwBinop);
binop = binOp();
e1 = astExp();
e2 = astExp();
e = new AstBinop(binop,e1,e2);
break;
case AstRegExpId.kwBoolVal:
jj_consume_token(AstRegExpId.kwBoolVal);
switch ((jj_ntk == AstRegExpId.UNDEFINED)?jj_ntk_fn():jj_ntk) {
case AstRegExpId.kwTrue:
jj_consume_token(AstRegExpId.kwTrue);
e = new AstBoolVal(true);
break;
case AstRegExpId.kwFalse:
jj_consume_token(AstRegExpId.kwFalse);
e = new AstBoolVal(false);
break;
default:
jj_la1[12] = jj_gen;
jj_consume_token(AstRegExpId.UNDEFINED);
throw new AstParseException();
}
break;
case AstRegExpId.kwCall:
jj_consume_token(AstRegExpId.kwCall);
e1 = astExp();
e2 = astExp();
el = astExpList();
e = new AstCall(e1,(AstId)e2,el);
break;
case AstRegExpId.kwId:
jj_consume_token(AstRegExpId.kwId);
n = jj_consume_token(AstRegExpId.ID);
e = new AstId(n.image);
break;
case AstRegExpId.kwIntVal:
jj_consume_token(AstRegExpId.kwIntVal);
n = jj_consume_token(AstRegExpId.INTVAL);
e = new AstIntVal(int.Parse(n.image));
break;
case AstRegExpId.kwField:
jj_consume_token(AstRegExpId.kwField);
e1 = astExp();
e2 = astExp();
e = new AstField(e1,(AstId)e2);
break;
case AstRegExpId.kwNewArray:
jj_consume_token(AstRegExpId.kwNewArray);
t = astType();
n = jj_consume_token(AstRegExpId.INTVAL);
e = new AstNewArray((AstType)t, int.Parse(n.image));
break;
case AstRegExpId.kwNewObj:
jj_consume_token(AstRegExpId.kwNewObj);
e1 = astExp();
el = astExpList();
e = new AstNewObj((AstId)e1,el);
break;
case AstRegExpId.kwRelop:
jj_consume_token(AstRegExpId.kwRelop);
relop = relOp();
e1 = astExp();
e2 = astExp();
e = new AstRelop(relop, e1, e2);
break;
case AstRegExpId.kwStrVal:
jj_consume_token(AstRegExpId.kwStrVal);
n = jj_consume_token(AstRegExpId.STRVAL);
String s = n.image;
e = new AstStrVal(s.Substring(1, s.Length-2));
break;
case AstRegExpId.kwThis:
jj_consume_token(AstRegExpId.kwThis);
e = new AstThis();
break;
case AstRegExpId.kwUnop:
jj_consume_token(AstRegExpId.kwUnop);
unop = unOp();
e1 = astExp();
e = new AstUnop(unop,e1);
break;
case AstRegExpId.kwNullExp:
jj_consume_token(AstRegExpId.kwNullExp);
e = null;
break;
default:
jj_la1[13] = jj_gen;
jj_consume_token(AstRegExpId.UNDEFINED);
throw new AstParseException();
}
jj_consume_token(AstRegExpId.kw57);
{if (true) return e;}
throw new Error("Missing return statement in function");
}
/* throws Exception */
// ArrayLen ---
// Exp array;
public AstType visit(AstArrayLen n)
{
AstType t = n.array.accept(this);
if (null == (t as AstArrayType))
throw new TypeException("ArrayLen object is not an array: " + t);
return IntType;
}
public AstType visit(AstArrayLen n)
{
return null;
}
/* throws ParseException */
// ----------------------------------------------------------------
// Factor -> [ "-" | "!" ] Factor
// | Lvalue [ "." "length" "(" ")" | ["(" Args ")]" ]
// | "(" Expr ")"
// | Literal
// ----------------------------------------------------------------
/* final */
public static AstExp Factor()
{
AstExp e = null;
AstExp factor = null;
bool neg = false;
bool not = false;
AstExpList args = null;
bool isCall = false;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.SUB:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.SUB:
jj_consume_token(MpRegExpId.SUB);
neg = true;
break;
case MpRegExpId.NOT:
jj_consume_token(MpRegExpId.NOT);
not = true;
break;
default:
jj_la1[34] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
factor = Factor();
if (neg)
return new AstUnop(AstUnop.OP.NEG, factor);
else if (not)
return new AstUnop(AstUnop.OP.NOT, factor);
else
return factor;
case MpRegExpId.NOT:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.SUB:
jj_consume_token(MpRegExpId.SUB);
neg = true;
break;
case MpRegExpId.NOT:
jj_consume_token(MpRegExpId.NOT);
not = true;
break;
default:
jj_la1[34] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
factor = Factor();
if ( neg )
return new AstUnop( AstUnop.OP.NEG, factor );
else if ( not )
return new AstUnop( AstUnop.OP.NOT, factor );
else
return factor;
case MpRegExpId.THIS:
e = Lvalue();
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.LPAREN:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.DOT:
jj_consume_token(MpRegExpId.DOT);
jj_consume_token(MpRegExpId.LENGTH);
jj_consume_token(MpRegExpId.LPAREN);
jj_consume_token(MpRegExpId.RPAREN);
e = new AstArrayLen(e);
break;
case MpRegExpId.LPAREN:
jj_consume_token(MpRegExpId.LPAREN);
isCall = true;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.FALSE: args = Args(); break;
case MpRegExpId.THIS: args = Args(); break;
case MpRegExpId.TRUE: args = Args(); break;
case MpRegExpId.ID: args = Args(); break;
case MpRegExpId.LPAREN: args = Args(); break;
case MpRegExpId.SUB: args = Args(); break;
case MpRegExpId.NOT: args = Args(); break;
case MpRegExpId.INTVAL: args = Args(); break;
default: jj_la1[35] = jj_gen; break;
}
jj_consume_token(MpRegExpId.RPAREN);
break;
default:
jj_la1[36] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
break;
case MpRegExpId.DOT:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.DOT:
jj_consume_token(MpRegExpId.DOT);
jj_consume_token(MpRegExpId.LENGTH);
jj_consume_token(MpRegExpId.LPAREN);
jj_consume_token(MpRegExpId.RPAREN);
e = new AstArrayLen(e);
break;
case MpRegExpId.LPAREN:
jj_consume_token(MpRegExpId.LPAREN);
isCall = true;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.FALSE: args = Args(); break;
case MpRegExpId.THIS: args = Args(); break;
case MpRegExpId.TRUE: args = Args(); break;
case MpRegExpId.ID: args = Args(); break;
case MpRegExpId.LPAREN: args = Args(); break;
case MpRegExpId.SUB: args = Args(); break;
case MpRegExpId.NOT: args = Args(); break;
case MpRegExpId.INTVAL: args = Args(); break;
default: jj_la1[35] = jj_gen; break;
}
jj_consume_token(MpRegExpId.RPAREN);
break;
default:
jj_la1[36] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
break;
default:
jj_la1[37] = jj_gen;
break;
}
if (isCall)
{
if (null != (e as AstId))
return new AstCall(new AstThis(), (AstId)e, args);
if (null != (e as AstField))
return new AstCall(((AstField)e).obj, ((AstField)e).var, args);
else
return null;
}
else
{
return e;
}
case MpRegExpId.ID:
e = Lvalue();
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.LPAREN:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.DOT:
jj_consume_token(MpRegExpId.DOT);
jj_consume_token(MpRegExpId.LENGTH);
jj_consume_token(MpRegExpId.LPAREN);
jj_consume_token(MpRegExpId.RPAREN);
e = new AstArrayLen(e);
break;
case MpRegExpId.LPAREN:
jj_consume_token(MpRegExpId.LPAREN);
isCall = true;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.FALSE: args = Args(); break;
case MpRegExpId.THIS: args = Args(); break;
case MpRegExpId.TRUE: args = Args(); break;
case MpRegExpId.ID: args = Args(); break;
case MpRegExpId.LPAREN: args = Args(); break;
case MpRegExpId.SUB: args = Args(); break;
case MpRegExpId.NOT: args = Args(); break;
case MpRegExpId.INTVAL: args = Args(); break;
default: jj_la1[35] = jj_gen; break;
}
jj_consume_token(MpRegExpId.RPAREN);
break;
default:
jj_la1[36] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
break;
case MpRegExpId.DOT:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.DOT:
jj_consume_token(MpRegExpId.DOT);
jj_consume_token(MpRegExpId.LENGTH);
jj_consume_token(MpRegExpId.LPAREN);
jj_consume_token(MpRegExpId.RPAREN);
e = new AstArrayLen( e );
break;
case MpRegExpId.LPAREN:
jj_consume_token(MpRegExpId.LPAREN);
isCall = true;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.FALSE: args = Args(); break;
case MpRegExpId.THIS: args = Args(); break;
case MpRegExpId.TRUE: args = Args(); break;
case MpRegExpId.ID: args = Args(); break;
case MpRegExpId.LPAREN: args = Args(); break;
case MpRegExpId.SUB: args = Args(); break;
case MpRegExpId.NOT: args = Args(); break;
case MpRegExpId.INTVAL: args = Args(); break;
default: jj_la1[35] = jj_gen; break;
}
jj_consume_token(MpRegExpId.RPAREN);
break;
default:
jj_la1[36] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
break;
default:
jj_la1[37] = jj_gen;
break;
}
if ( isCall )
{
if (null != (e as AstId))
return new AstCall( new AstThis(), (AstId)e, args );
if (null != (e as AstField))
return new AstCall( ((AstField)e).obj, ((AstField)e).var, args );
else
return null;
}
else
{
return e;
}
case MpRegExpId.LPAREN:
jj_consume_token(MpRegExpId.LPAREN);
e = Expr();
jj_consume_token(MpRegExpId.RPAREN);
return e;
case MpRegExpId.FALSE: e = Literal(); return e;
case MpRegExpId.TRUE: e = Literal(); return e;
case MpRegExpId.INTVAL: e = Literal(); return e;
default:
jj_la1[38] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
throw new Error("Missing return statement in function");
}