bool ExpectTerminal(Type t)
{
if (Expect(t))
{
CreateTerminalChild(previous);
return(true);
}
return(false);
}
bool Accept(Type t)
{
if (current.Is(t))
{
Debug("Accepted " + t + " Content: " + current.Content);
PC++;
Debug(PC + "");
return(true);
}
return(false);
}
bool Expect(Type t)
{
if (Accept(t))
{
return(true);
}
else
{
Error("Unexpected Token: " + current.Content + " expecting " + t.ToString());
}
return(false);
}
bool DataTypeSimple()
{
Type t = current.Type;
if (t == Type.Number || t == Type.Boolean || t == Type.Text)
{
Debug("Is datatype");
return(true);
}
else
{
return(false);
}
}
bool DataType(bool Expect_Sub, out bool IsArray) //, out YSToken TypeToken, out bool IsArray)
{
Debug("Checking if " + current.Type + " is a datatype");
Type t = current.Type;
if (DataTypeSimple())
{
PushParseNode(ParseNodeType.DataType);
CreateTerminalChild(current);
//TypeToken = current;
PC++;
IsArray = false;
PopAndInsertParseNode();
return(true);
}
else if (t == Type.Array)
{
PushParseNode(ParseNodeType.DataType);
Accept(Type.Array);
CreateTerminalChild(previous);
Expect(Type.Of);
if (!DataTypeSimple())
{
Error("Expecting a data type after array of");
}
CreateTerminalChild(current);
//TypeToken = current;
PC++;
ArrayDimensions();
IsArray = true;
PopAndInsertParseNode();
return(true);
}
else
{
if (Expect_Sub)
{
Error("Expecting a data type");
}
Debug("Not a datatype");
//TypeToken = new YSToken (-1, YSToken.TokenType.None, "");
IsArray = false;
return(false);
}
}
public IdentityType TranslateTokenTypeToIdentityType(Type current)
{
switch (current)
{
case Type.Number:
return(IdentityType.Number);
case Type.Text:
return(IdentityType.Text);
case Type.Boolean:
return(IdentityType.Boolean);
case Type.Structure:
return(IdentityType.Structure);
default:
return(IdentityType.Unknown);
}
}
bool ExpectTerminal(Type t)
{
if (Expect (t)) {
CreateTerminalChild (previous);
return true;
}
return false;
}
bool Expect(Type t)
{
if (Accept (t)) {
return true;
} else {
Error("Unexpected Token: " + current.Content + " expecting " + t.ToString());
}
return false;
}
bool Accept(Type t)
{
if (current.Is (t)) {
Debug ("Accepted " + t + " Content: " + current.Content);
PC++;
Debug (PC + "");
return true;
}
return false;
}
public IdentityType TranslateTokenTypeToIdentityType(Type current)
{
switch (current) {
case Type.Number:
return IdentityType.Number;
case Type.Text:
return IdentityType.Text;
case Type.Boolean:
return IdentityType.Boolean;
case Type.Structure:
return IdentityType.Structure;
default:
return IdentityType.Unknown;
}
}
