public virtual object Walk(PrimitiveLiteral node)
{
if (Enter(node))
{
// Insert code here
}
Exit(node);
return(null);
}
public PrimitiveLiteral ParsePrimitiveLiteral()
{
var token = Next();
if (!token.Is(TokenType.Null) &&
!token.Is(TokenType.True) &&
!token.Is(TokenType.False) &&
!token.Is(TokenType.String) &&
!token.Is(TokenType.Number))
{
throw Error("Primitive literal expected, received " + token.Type, token);
}
var literal = new PrimitiveLiteral
{
Token = Next(),
Value = Next().Text,
Type = Next().Type
};
Consume();
return(literal);
}
public override object Walk(PrimitiveLiteral node)
{
switch (node.Type)
{
case TokenType.String:
return(new BikeString(node.Value));
case TokenType.Number:
return(new BikeNumber(decimal.Parse(node.Value)));
case TokenType.True:
return(new BikeBoolean(true));
case TokenType.False:
return(new BikeBoolean(false));
case TokenType.Null:
return(null);
default:
throw ErrorFactory.CreateInvalidProgramError("Invalid primitive literal");
}
}
public override void Exit(PrimitiveLiteral node)
{
level--;
}
public override bool Enter(PrimitiveLiteral node)
{
Print("PrimitiveLiteral '{0}': '{1}'", node.Type, node.Value);
level++;
return true;
}
public virtual void Exit(PrimitiveLiteral node)
{
}
public virtual bool Enter(PrimitiveLiteral node)
{
return true;
}
public virtual void Exit(PrimitiveLiteral node)
{
}
public virtual bool Enter(PrimitiveLiteral node)
{
return(true);
}
public override void Exit(PrimitiveLiteral node)
{
level--;
}
public override bool Enter(PrimitiveLiteral node)
{
Print("PrimitiveLiteral '{0}': '{1}'", node.Type, node.Value);
level++;
return(true);
}
public override object Walk(PrimitiveLiteral node)
{
switch (node.Type)
{
case TokenType.String:
return new BikeString(node.Value);
case TokenType.Number:
return new BikeNumber(decimal.Parse(node.Value));
case TokenType.True:
return new BikeBoolean(true);
case TokenType.False:
return new BikeBoolean(false);
case TokenType.Null:
return null;
default:
throw ErrorFactory.CreateInvalidProgramError("Invalid primitive literal");
}
}
public PrimitiveLiteral ParsePrimitiveLiteral()
{
var token = Next();
if (!token.Is(TokenType.Null) &&
!token.Is(TokenType.True) &&
!token.Is(TokenType.False) &&
!token.Is(TokenType.String) &&
!token.Is(TokenType.Number))
throw Error("Primitive literal expected, received " + token.Type, token);
var literal = new PrimitiveLiteral
{
Token = Next(),
Value = Next().Text,
Type = Next().Type
};
Consume();
return literal;
}
public virtual object Walk(PrimitiveLiteral node)
{
if (Enter(node))
{
// Insert code here
}
Exit(node);
return null;
}
