private Syntax.InitializerList.Designation ParseDesignation()
{
Syntax.InitializerList.Designation designation = null, subdisignation = null;
while (true)
{
if (scan.Peek().type == Token.Type.COMMA)
{
CheckToken(scan.Peek(), Token.Type.IDENTIFICATOR);
subdisignation = new Syntax.InitializerList.Designation();
subdisignation.SetDesignator(new Syntax.Identifier(scan.Read()));
}
else if (scan.Peek().type == Token.Type.LBRACKET)
{
scan.Read();
Syntax.Expression const_expr = ParseConstExpr();
Syntax.Object.CheckObject(const_expr);
subdisignation = new Syntax.InitializerList.Designation();
subdisignation.SetDesignator(const_expr);
CheckToken(scan.Peek(), Token.Type.RBRACKET, true);
}
if (subdisignation == null)
{
break;
}
if (designation == null)
{
designation = subdisignation;
}
else
{
designation.SetDesignator(subdisignation);
}
subdisignation = null;
}
return(designation);
}
private Syntax.InitializerList ParseInitializerList()
{
Syntax.InitializerList res = null;
while (true)
{
Syntax.InitializerList.Designation designation = ParseDesignation();
Syntax.Expression const_val = null;
if (designation != null)
{
CheckToken(scan.Peek(), Token.Type.OP_ASSIGN, true);
const_val = ParseInitializer();
Syntax.Object.CheckObject(const_val);
}
else
{
const_val = ParseConstExpr();
}
if (const_val != null)
{
if (res == null)
{
res = new Syntax.InitializerList();
}
res.AddInitializer(const_val, designation);
}
if (scan.Peek().type != Token.Type.COMMA || const_val == null)
{
break;
}
scan.Read();
}
return(res);
}
private Syntax.InitializerList.Designation ParseDesignation()
{
Syntax.InitializerList.Designation designation = null, subdisignation = null;
while (true)
{
if (scan.Peek().type == Token.Type.COMMA)
{
CheckToken(scan.Peek(), Token.Type.IDENTIFICATOR);
subdisignation = new Syntax.InitializerList.Designation();
subdisignation.SetDesignator(new Syntax.Identifier(scan.Read()));
}
else if (scan.Peek().type == Token.Type.LBRACKET)
{
scan.Read();
Syntax.Expression const_expr = ParseConstExpr();
Syntax.Object.CheckObject(const_expr);
subdisignation = new Syntax.InitializerList.Designation();
subdisignation.SetDesignator(const_expr);
CheckToken(scan.Peek(), Token.Type.RBRACKET, true);
}
if (subdisignation == null)
{
break;
}
if (designation == null)
{
designation = subdisignation;
}
else
{
designation.SetDesignator(subdisignation);
}
subdisignation = null;
}
return designation;
}
