internal void Add(ObjectLiteralItem item)
{
elems.Add(item);
}
internal void Add(ObjectLiteralItem item)
{
elems.Add (item);
}
AST PrimaryExpr(AST parent)
{
int tt;
AST pn;
ts.allow_reg_exp = true;
tt = ts.GetToken ();
ts.allow_reg_exp = false;
if (tt == Token.FUNCTION) {
return Function (parent, FunctionType.Expression);
} else if (tt == Token.LB) {
ASTList elems = new ASTList (parent, new Location (ts.SourceName, ts.LineNumber));
int skip_count = 0;
decompiler.AddToken (Token.LB);
bool after_lb_or_comma = true;
for (;;) {
ts.allow_reg_exp = true;
tt = ts.PeekToken ();
ts.allow_reg_exp = false;
if (tt == Token.COMMA) {
ts.GetToken ();
decompiler.AddToken (Token.COMMA);
if (!after_lb_or_comma)
after_lb_or_comma = true;
else {
elems.Add (null);
++skip_count;
}
} else if (tt == Token.RB) {
ts.GetToken ();
decompiler.AddToken (Token.RB);
break;
} else {
if (!after_lb_or_comma)
ReportError ("msg.no.bracket.arg");
elems.Add (AssignExpr (parent, false));
after_lb_or_comma = false;
}
}
// FIXME: pass a real Context
return new ArrayLiteral (null, elems, skip_count, new Location (ts.SourceName, ts.LineNumber));
} else if (tt == Token.LC) {
Location location = new Location (ts.SourceName, ts.LineNumber);
ArrayList elems = new ArrayList ();
decompiler.AddToken (Token.LC);
if (!ts.MatchToken (Token.RC)) {
bool first = true;
commaloop: {
do {
ObjectLiteralItem property;
if (!first)
decompiler.AddToken (Token.COMMA);
else
first = false;
tt = ts.GetToken ();
if (tt == Token.NAME || tt == Token.STRING) {
string s = ts.GetString;
if (tt == Token.NAME)
decompiler.AddName (s);
else
decompiler.AddString (s);
property = new ObjectLiteralItem (s);
} else if (tt == Token.NUMBER) {
double n = ts.GetNumber;
decompiler.AddNumber (n);
property = new ObjectLiteralItem (n);
} else if (tt == Token.RC) {
// trailing comma is OK
ts.UnGetToken (tt);
goto leave_commaloop;
} else {
ReportError ("msg.bad.prop");
goto leave_commaloop;
}
MustMatchToken (Token.COLON, "msg.no.colon.prop");
// OBJLIT is used as ':' in object literal for
// decompilation to solve spacing ambiguity.
decompiler.AddToken (Token.OBJECTLIT);
property.exp = AssignExpr (parent, false);
elems.Add (property);
} while (ts.MatchToken (Token.COMMA));
MustMatchToken (Token.RC, "msg.no.brace.prop");
}
leave_commaloop:
;
}
return new ObjectLiteral (elems, location);
} else if (tt == Token.LP) {
decompiler.AddToken (Token.LP);
pn = Expr (parent, false);
decompiler.AddToken (Token.RP);
MustMatchToken (Token.RP, "msg.no.paren");
decompiler.AddToken (Token.RP);
return pn;
} else if (tt == Token.NAME) {
string name = ts.GetString;
decompiler.AddName (name);
return new Identifier (parent, name, new Location (ts.SourceName, ts.LineNumber));
} else if (tt == Token.NUMBER) {
double n = ts.GetNumber;
decompiler.AddNumber (n);
Location location = new Location (ts.SourceName, ts.LineNumber);
if (HasNoDecimals (n)) {
if (InRangeOf (n, Byte.MinValue, Byte.MaxValue))
return new ByteConstant (parent, (byte) n, location);
else if (InRangeOf (n, Int16.MinValue, Int16.MaxValue))
return new ShortConstant (parent, (short) n, location);
else if (InRangeOf (n, Int32.MinValue, Int32.MaxValue))
return new IntConstant (parent, (int) n, location);
else if (InRangeOf (n, Int64.MinValue, Int64.MaxValue))
return new LongConstant (parent, (long) n, location);
else
return new DoubleConstant (parent, n, location);
} else {
if (InRangeOf (n, Single.MinValue, Single.MaxValue))
return new FloatConstant (parent, (float) n, location);
else if (InRangeOf (n, Double.MinValue, Double.MaxValue))
return new DoubleConstant (parent, n, location);
else
return new DoubleConstant (parent, n, location);
}
} else if (tt == Token.STRING) {
string s = ts.GetString;
decompiler.AddString (s);
return new StringLiteral (null, s, new Location (ts.SourceName, ts.LineNumber));
} else if (tt == Token.REGEXP) {
string flags = ts.reg_exp_flags;
ts.reg_exp_flags = null;
string re = ts.GetString;
decompiler.AddRegexp (re, flags);
return new RegExpLiteral (parent, re, flags, new Location (ts.SourceName, ts.LineNumber));
} else if (tt == Token.NULL) {
decompiler.AddToken (tt);
// FIXME, build the null object;
return null;
} else if (tt == Token.THIS) {
decompiler.AddToken (tt);
return new This (parent, new Location (ts.SourceName, ts.LineNumber));
} else if (tt == Token.FALSE || tt == Token.TRUE) {
decompiler.AddToken (tt);
bool v;
if (tt == Token.FALSE)
v = false;
else
v = true;
return new BooleanConstant (null, v, new Location (ts.SourceName, ts.LineNumber));
} else if (tt == Token.RESERVED) {
ReportError ("msg.reserved.id");
} else if (tt == Token.ERROR) {
/* the scanner or one of its subroutines reported the error. */
} else
ReportError ("msg.syntax");
return null; // should never reach here
}
