public void AddClassVar(AstId vid, DemiTasse.ast.AstType type, AstExp e)
{
if(GetClassVar(vid) != null)
throw new SymbolException("ClassVar " + vid.s + " already defined");
_vars.Add(new VarRec(vid, type, VarRec.CLASS, _vars.Count+1, e));
}
public VarRec(AstId id, AstType type, int kind, int idx)
{
_id = id;
_type = type;
_kind = kind;
_idx = idx;
_init = null;
}
public VarRec(AstId id, AstType type, int kind, int idx, AstExp e)
{
_id = id;
_type = type;
_kind = kind;
_idx = idx;
_init = e;
}
public static void Append(AstExp e)
{
if (e == null)
_astData.Append("(NullExp) ");
else
e.GenerateAstData();
}
public AstCall(AstExp e, AstId mi, AstExpList el)
{
obj = e; mid = mi; args = el;
}
public AstIf(AstExp ae, AstStmt as1, AstStmt as2)
{
e = ae; s1 = as1; s2 = as2;
}
public void Add(AstExp n)
{
base.Add(n);
}
public AstWhile(AstExp ae, AstStmt _as)
{
e=ae; s=_as;
}
/* throws ParseException */
// --------------------------------------------------------------------------
// FieldId -> Id
// --------------------------------------------------------------------------
/* final */
public static AstExp FieldId(AstExp e)
{
AstId id;
id = Id();
return e == null ? (AstExp)id : (AstExp)(new AstField(e, id));
}
/* throws ParseException */
// --------------------------------------------------------------------------
// Binop -> <ADD> | <SUB> | <MUL> | <DIV> | <AND> | <OR>
// --------------------------------------------------------------------------
/* final */
public static AstBinop Binop(AstExp e1, AstExp e2)
{
ast.AstBinop.OP op;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.ADD:
jj_consume_token(MpRegExpId.ADD);
op = ast.AstBinop.OP.ADD;
break;
case MpRegExpId.SUB:
jj_consume_token(MpRegExpId.SUB);
op = ast.AstBinop.OP.SUB;
break;
case MpRegExpId.MUL:
jj_consume_token(MpRegExpId.MUL);
op = ast.AstBinop.OP.MUL;
break;
case MpRegExpId.DIV:
jj_consume_token(MpRegExpId.DIV);
op = ast.AstBinop.OP.DIV;
break;
case MpRegExpId.AND:
jj_consume_token(MpRegExpId.AND);
op = ast.AstBinop.OP.AND;
break;
case MpRegExpId.OR:
jj_consume_token(MpRegExpId.OR);
op = ast.AstBinop.OP.OR;
return new AstBinop( op, e1, e2 );
default:
jj_la1[44] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
throw new Error("Missing return statement in function");
}
/* throws ParseException */
// --------------------------------------------------------------------------
// ArrayElm -> "[" Expr "]"
// --------------------------------------------------------------------------
/* final */
public static AstExp ArrayElm(AstExp pid)
{
AstExp e;
jj_consume_token(MpRegExpId.LBRACKET);
e = Expr();
jj_consume_token(MpRegExpId.RBRACKET);
return new AstArrayElm( pid, e );
}
/* throws ParseException */
// ----------------------------------------------------------------
// ArithTail -> [ ( "+" | "-" ) Term ArithTail ]
// ----------------------------------------------------------------
/* final */
public static AstExp ArithTail(AstExp e0)
{
AstExp e1 = null;
AstExp e2 = null;
DemiTasse.ast.AstBinop.OP op;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.ADD:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.ADD:
jj_consume_token(MpRegExpId.ADD);
op = DemiTasse.ast.AstBinop.OP.ADD;
break;
case MpRegExpId.SUB:
jj_consume_token(MpRegExpId.SUB);
op = DemiTasse.ast.AstBinop.OP.SUB;
break;
default:
jj_la1[30] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
e1 = Term();
e1 = new AstBinop(op, e0, e1);
e2 = ArithTail(e1);
break;
case MpRegExpId.SUB:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.ADD:
jj_consume_token(MpRegExpId.ADD);
op = DemiTasse.ast.AstBinop.OP.ADD;
break;
case MpRegExpId.SUB:
jj_consume_token(MpRegExpId.SUB);
op = DemiTasse.ast.AstBinop.OP.SUB;
break;
default:
jj_la1[30] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
e1 = Term();
e1 = new AstBinop( op, e0, e1 );
e2 = ArithTail(e1);
break;
default:
jj_la1[31] = jj_gen;
break;
}
return e2 == null ? e1 : e2;
}
/* throws ParseException */
// ----------------------------------------------------------------
// TermTail -> ("*" | "/" ) Factor TermTail
// ----------------------------------------------------------------
/* final */
public static AstExp TermTail(AstExp e0)
{
AstExp e1 = null;
AstExp e2 = null;
DemiTasse.ast.AstBinop.OP op;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.MUL:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.MUL:
jj_consume_token(MpRegExpId.MUL);
op = DemiTasse.ast.AstBinop.OP.MUL;
break;
case MpRegExpId.DIV:
jj_consume_token(MpRegExpId.DIV);
op = DemiTasse.ast.AstBinop.OP.DIV;
break;
default:
jj_la1[32] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
e1 = Factor();
e1 = new AstBinop(op, e0, e1);
e2 = TermTail(e1);
break;
case MpRegExpId.DIV:
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.MUL:
jj_consume_token(MpRegExpId.MUL);
op = DemiTasse.ast.AstBinop.OP.MUL;
break;
case MpRegExpId.DIV:
jj_consume_token(MpRegExpId.DIV);
op = DemiTasse.ast.AstBinop.OP.DIV;
break;
default:
jj_la1[32] = jj_gen;
jj_consume_token(MpRegExpId.UNDEFINED);
throw new MiniParseException();
}
e1 = Factor();
e1 = new AstBinop( op, e0, e1 );
e2 = TermTail(e1);
break;
default:
jj_la1[33] = jj_gen;
break;
}
return e2 == null ? e1 : e2;
}
/* throws ParseException */
// ----------------------------------------------------------------
// AndTail -> [ "&&" RelExpr AndTail ]
// ----------------------------------------------------------------
/* final */
public static AstExp AndTail(AstExp e0)
{
AstExp e1 = null;
AstExp e2 = null;
switch ((jj_ntk == MpRegExpId.UNDEFINED) ? jj_ntk_fn() : jj_ntk)
{
case MpRegExpId.AND:
jj_consume_token(MpRegExpId.AND);
e1 = RelExpr();
e1 = new AstBinop(DemiTasse.ast.AstBinop.OP.AND, e0, e1);
e2 = AndTail(e1);
break;
default:
jj_la1[28] = jj_gen;
break;
}
return e2 == null ? e1 : e2;
}
public AstArrayElm(AstExp e1, AstExp e2)
{
_array = e1;
_idx = e2;
}
public AstCallStmt(AstExp astExp, AstId astId, AstExpList astExpList)
{
_obj = astExp;
_mid = astId;
_el = astExpList;
}
public AstPrint(AstExp ae)
{
e = ae;
}
public AstField(AstExp e, AstId v)
{
obj = e; var = v;
}
public AstUnop(OP o, AstExp ae)
{
op=o; e=ae;
}
public AstArrayLen(AstExp e)
{
array = e;
}
public AstAssign(AstExp e1, AstExp e2)
{
lhs = e1; rhs = e2;
}
public AstVarDecl(AstType at, AstId i, AstExp ae)
{
t = at;
var = i;
e = ae;
}
public AstRelop(OP o, AstExp ae1, AstExp ae2)
{
op = o; e1 = ae1; e2 = ae2;
}
public AstReturn(AstExp ae)
{
e = ae;
}
