private Syntax.Expression ParseInitializer()
{
Syntax.Expression res = null;
if (scan.Peek().type == Token.Type.LBRACE)
{
scan.Read();
res = new Syntax.Initializer();
Syntax.InitializerList init_list = null;
while (true)
{
if ((init_list = ParseInitializerList()) != null)
{
((Syntax.Initializer)res).AddInitializer(init_list);
}
if (scan.Peek().type != Token.Type.COMMA)
{
break;
}
scan.Read();
}
CheckToken(scan.Peek(), Token.Type.RBRACE, true);
}
else
{
res = ParseAssignmentExpression();
}
return(res);
}
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 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;
}
