/// <summary>
/// Returns a clone of the text unit.
/// </summary>
/// <param name="textUnit">TextUnit</param>
/// <returns>TextUnit</returns>
public static TextUnit Clone(TextUnit textUnit)
{
return new TextUnit(textUnit.Text, textUnit.Line);
}
/// <summary>
/// Visits the syntax node.
/// </summary>
/// <param name="parentNode">Node</param>
/// <param name="isModel">Is model</param>
/// <param name="accMod">Access modifier</param>
/// <param name="inhMod">Inheritance modifier</param>
/// <param name="isAsync">Is async</param>
internal void Visit(MachineDeclaration parentNode, bool isModel, AccessModifier accMod,
InheritanceModifier inhMod, bool isAsync)
{
TextUnit textUnit = null;
new TypeIdentifierVisitor(base.TokenStream).Visit(ref textUnit);
var typeIdentifier = new Token(textUnit, TokenType.TypeIdentifier);
if (base.TokenStream.Done ||
base.TokenStream.Peek().Type != TokenType.Identifier)
{
throw new ParsingException("Expected field or method identifier.",
new List <TokenType>
{
TokenType.Identifier
});
}
var identifierToken = base.TokenStream.Peek();
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
if (base.TokenStream.Done ||
(base.TokenStream.Peek().Type != TokenType.LeftParenthesis &&
base.TokenStream.Peek().Type != TokenType.Semicolon))
{
throw new ParsingException("Expected \"(\" or \";\".",
new List <TokenType>
{
TokenType.LeftParenthesis,
TokenType.Semicolon
});
}
if (base.TokenStream.Peek().Type == TokenType.LeftParenthesis)
{
new MethodDeclarationVisitor(base.TokenStream).Visit(parentNode, typeIdentifier,
identifierToken, isModel, accMod, inhMod, isAsync);
}
else if (base.TokenStream.Peek().Type == TokenType.Semicolon)
{
if (inhMod == InheritanceModifier.Abstract)
{
throw new ParsingException("A field cannot be abstract.",
new List <TokenType>());
}
else if (inhMod == InheritanceModifier.Virtual)
{
throw new ParsingException("A field cannot be virtual.",
new List <TokenType>());
}
else if (inhMod == InheritanceModifier.Override)
{
throw new ParsingException("A field cannot be overriden.",
new List <TokenType>());
}
if (isModel)
{
throw new ParsingException("A field cannot be a model.",
new List <TokenType>());
}
if (isAsync)
{
throw new ParsingException("A field cannot be async.",
new List <TokenType>());
}
var node = new FieldDeclaration(base.TokenStream.Program, parentNode,
parentNode.IsModel);
node.AccessModifier = accMod;
node.TypeIdentifier = typeIdentifier;
node.Identifier = identifierToken;
node.SemicolonToken = base.TokenStream.Peek();
parentNode.FieldDeclarations.Add(node);
}
}
/// <summary>
/// Visits the text unit.
/// </summary>
/// <param name="textUnit">TextUnit</param>
public void Visit(ref TextUnit textUnit)
{
if (base.TokenStream.Done ||
(base.TokenStream.Peek().Type != TokenType.MachineDecl &&
base.TokenStream.Peek().Type != TokenType.Void &&
base.TokenStream.Peek().Type != TokenType.Object &&
base.TokenStream.Peek().Type != TokenType.String &&
base.TokenStream.Peek().Type != TokenType.Sbyte &&
base.TokenStream.Peek().Type != TokenType.Byte &&
base.TokenStream.Peek().Type != TokenType.Short &&
base.TokenStream.Peek().Type != TokenType.Ushort &&
base.TokenStream.Peek().Type != TokenType.Int &&
base.TokenStream.Peek().Type != TokenType.Uint &&
base.TokenStream.Peek().Type != TokenType.Long &&
base.TokenStream.Peek().Type != TokenType.Ulong &&
base.TokenStream.Peek().Type != TokenType.Char &&
base.TokenStream.Peek().Type != TokenType.Bool &&
base.TokenStream.Peek().Type != TokenType.Decimal &&
base.TokenStream.Peek().Type != TokenType.Float &&
base.TokenStream.Peek().Type != TokenType.Double &&
base.TokenStream.Peek().Type != TokenType.Identifier))
{
throw new ParsingException("Expected type identifier.",
new List<TokenType>
{
TokenType.Identifier
});
}
var line = base.TokenStream.Peek().TextUnit.Line;
bool expectsDot = false;
while (!base.TokenStream.Done)
{
if (!expectsDot &&
(base.TokenStream.Peek().Type != TokenType.MachineDecl &&
base.TokenStream.Peek().Type != TokenType.Void &&
base.TokenStream.Peek().Type != TokenType.Object &&
base.TokenStream.Peek().Type != TokenType.String &&
base.TokenStream.Peek().Type != TokenType.Sbyte &&
base.TokenStream.Peek().Type != TokenType.Byte &&
base.TokenStream.Peek().Type != TokenType.Short &&
base.TokenStream.Peek().Type != TokenType.Ushort &&
base.TokenStream.Peek().Type != TokenType.Int &&
base.TokenStream.Peek().Type != TokenType.Uint &&
base.TokenStream.Peek().Type != TokenType.Long &&
base.TokenStream.Peek().Type != TokenType.Ulong &&
base.TokenStream.Peek().Type != TokenType.Char &&
base.TokenStream.Peek().Type != TokenType.Bool &&
base.TokenStream.Peek().Type != TokenType.Decimal &&
base.TokenStream.Peek().Type != TokenType.Float &&
base.TokenStream.Peek().Type != TokenType.Double &&
base.TokenStream.Peek().Type != TokenType.Identifier) ||
(expectsDot && base.TokenStream.Peek().Type != TokenType.Dot))
{
break;
}
if (base.TokenStream.Peek().Type == TokenType.MachineDecl ||
base.TokenStream.Peek().Type == TokenType.Void ||
base.TokenStream.Peek().Type == TokenType.Object ||
base.TokenStream.Peek().Type == TokenType.String ||
base.TokenStream.Peek().Type == TokenType.Sbyte ||
base.TokenStream.Peek().Type == TokenType.Byte ||
base.TokenStream.Peek().Type == TokenType.Short ||
base.TokenStream.Peek().Type == TokenType.Ushort ||
base.TokenStream.Peek().Type == TokenType.Int ||
base.TokenStream.Peek().Type == TokenType.Uint ||
base.TokenStream.Peek().Type == TokenType.Long ||
base.TokenStream.Peek().Type == TokenType.Ulong ||
base.TokenStream.Peek().Type == TokenType.Char ||
base.TokenStream.Peek().Type == TokenType.Bool ||
base.TokenStream.Peek().Type == TokenType.Decimal ||
base.TokenStream.Peek().Type == TokenType.Float ||
base.TokenStream.Peek().Type == TokenType.Double ||
base.TokenStream.Peek().Type == TokenType.Identifier)
{
expectsDot = true;
}
else if (base.TokenStream.Peek().Type == TokenType.Dot)
{
expectsDot = false;
}
if (base.TokenStream.Peek().Type == TokenType.MachineDecl)
{
base.TokenStream.Swap(new Token(new TextUnit("MachineId", base.TokenStream.
Peek().TextUnit.Line), TokenType.MachineDecl));
}
if (textUnit == null)
{
textUnit = new TextUnit(base.TokenStream.Peek().TextUnit.Text,
line);
}
else
{
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
}
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
if (base.TokenStream.Peek().Type == TokenType.LeftAngleBracket)
{
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
int counter = 1;
while (!base.TokenStream.Done)
{
if (base.TokenStream.Peek().Type == TokenType.LeftAngleBracket)
{
counter++;
}
else if (base.TokenStream.Peek().Type == TokenType.RightAngleBracket)
{
counter--;
}
if (counter == 0 ||
(base.TokenStream.Peek().Type != TokenType.MachineDecl &&
base.TokenStream.Peek().Type != TokenType.Void &&
base.TokenStream.Peek().Type != TokenType.Object &&
base.TokenStream.Peek().Type != TokenType.String &&
base.TokenStream.Peek().Type != TokenType.Sbyte &&
base.TokenStream.Peek().Type != TokenType.Byte &&
base.TokenStream.Peek().Type != TokenType.Short &&
base.TokenStream.Peek().Type != TokenType.Ushort &&
base.TokenStream.Peek().Type != TokenType.Int &&
base.TokenStream.Peek().Type != TokenType.Uint &&
base.TokenStream.Peek().Type != TokenType.Long &&
base.TokenStream.Peek().Type != TokenType.Ulong &&
base.TokenStream.Peek().Type != TokenType.Char &&
base.TokenStream.Peek().Type != TokenType.Bool &&
base.TokenStream.Peek().Type != TokenType.Decimal &&
base.TokenStream.Peek().Type != TokenType.Float &&
base.TokenStream.Peek().Type != TokenType.Double &&
base.TokenStream.Peek().Type != TokenType.Identifier &&
base.TokenStream.Peek().Type != TokenType.Dot &&
base.TokenStream.Peek().Type != TokenType.Comma &&
base.TokenStream.Peek().Type != TokenType.LeftSquareBracket &&
base.TokenStream.Peek().Type != TokenType.RightSquareBracket &&
base.TokenStream.Peek().Type != TokenType.LeftAngleBracket &&
base.TokenStream.Peek().Type != TokenType.RightAngleBracket))
{
break;
}
if (base.TokenStream.Peek().Type == TokenType.MachineDecl)
{
base.TokenStream.Swap(new Token(new TextUnit("MachineId", base.TokenStream.
Peek().TextUnit.Line), TokenType.MachineDecl));
}
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
if (base.TokenStream.Done ||
base.TokenStream.Peek().Type != TokenType.RightAngleBracket)
{
throw new ParsingException("Expected \">\".",
new List<TokenType>
{
TokenType.RightAngleBracket
});
}
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
}
/// <summary>
/// Visits the text unit.
/// </summary>
/// <param name="textUnit">TextUnit</param>
public void Visit(ref TextUnit textUnit)
{
if (base.TokenStream.Done ||
(base.TokenStream.Peek().Type != TokenType.MachineDecl &&
base.TokenStream.Peek().Type != TokenType.Void &&
base.TokenStream.Peek().Type != TokenType.Object &&
base.TokenStream.Peek().Type != TokenType.String &&
base.TokenStream.Peek().Type != TokenType.Sbyte &&
base.TokenStream.Peek().Type != TokenType.Byte &&
base.TokenStream.Peek().Type != TokenType.Short &&
base.TokenStream.Peek().Type != TokenType.Ushort &&
base.TokenStream.Peek().Type != TokenType.Int &&
base.TokenStream.Peek().Type != TokenType.Uint &&
base.TokenStream.Peek().Type != TokenType.Long &&
base.TokenStream.Peek().Type != TokenType.Ulong &&
base.TokenStream.Peek().Type != TokenType.Char &&
base.TokenStream.Peek().Type != TokenType.Bool &&
base.TokenStream.Peek().Type != TokenType.Decimal &&
base.TokenStream.Peek().Type != TokenType.Float &&
base.TokenStream.Peek().Type != TokenType.Double &&
base.TokenStream.Peek().Type != TokenType.Identifier))
{
throw new ParsingException("Expected type identifier.",
new List <TokenType>
{
TokenType.Identifier
});
}
var line = base.TokenStream.Peek().TextUnit.Line;
bool expectsDot = false;
while (!base.TokenStream.Done)
{
if (!expectsDot &&
(base.TokenStream.Peek().Type != TokenType.MachineDecl &&
base.TokenStream.Peek().Type != TokenType.Void &&
base.TokenStream.Peek().Type != TokenType.Object &&
base.TokenStream.Peek().Type != TokenType.String &&
base.TokenStream.Peek().Type != TokenType.Sbyte &&
base.TokenStream.Peek().Type != TokenType.Byte &&
base.TokenStream.Peek().Type != TokenType.Short &&
base.TokenStream.Peek().Type != TokenType.Ushort &&
base.TokenStream.Peek().Type != TokenType.Int &&
base.TokenStream.Peek().Type != TokenType.Uint &&
base.TokenStream.Peek().Type != TokenType.Long &&
base.TokenStream.Peek().Type != TokenType.Ulong &&
base.TokenStream.Peek().Type != TokenType.Char &&
base.TokenStream.Peek().Type != TokenType.Bool &&
base.TokenStream.Peek().Type != TokenType.Decimal &&
base.TokenStream.Peek().Type != TokenType.Float &&
base.TokenStream.Peek().Type != TokenType.Double &&
base.TokenStream.Peek().Type != TokenType.Identifier) ||
(expectsDot && base.TokenStream.Peek().Type != TokenType.Dot))
{
break;
}
if (base.TokenStream.Peek().Type == TokenType.MachineDecl ||
base.TokenStream.Peek().Type == TokenType.Void ||
base.TokenStream.Peek().Type == TokenType.Object ||
base.TokenStream.Peek().Type == TokenType.String ||
base.TokenStream.Peek().Type == TokenType.Sbyte ||
base.TokenStream.Peek().Type == TokenType.Byte ||
base.TokenStream.Peek().Type == TokenType.Short ||
base.TokenStream.Peek().Type == TokenType.Ushort ||
base.TokenStream.Peek().Type == TokenType.Int ||
base.TokenStream.Peek().Type == TokenType.Uint ||
base.TokenStream.Peek().Type == TokenType.Long ||
base.TokenStream.Peek().Type == TokenType.Ulong ||
base.TokenStream.Peek().Type == TokenType.Char ||
base.TokenStream.Peek().Type == TokenType.Bool ||
base.TokenStream.Peek().Type == TokenType.Decimal ||
base.TokenStream.Peek().Type == TokenType.Float ||
base.TokenStream.Peek().Type == TokenType.Double ||
base.TokenStream.Peek().Type == TokenType.Identifier)
{
expectsDot = true;
}
else if (base.TokenStream.Peek().Type == TokenType.Dot)
{
expectsDot = false;
}
if (base.TokenStream.Peek().Type == TokenType.MachineDecl)
{
base.TokenStream.Swap(new Token(new TextUnit("MachineId", base.TokenStream.
Peek().TextUnit.Line), TokenType.MachineDecl));
}
if (textUnit == null)
{
textUnit = new TextUnit(base.TokenStream.Peek().TextUnit.Text,
line);
}
else
{
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
}
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
if (base.TokenStream.Peek().Type == TokenType.LeftAngleBracket)
{
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
int counter = 1;
while (!base.TokenStream.Done)
{
if (base.TokenStream.Peek().Type == TokenType.LeftAngleBracket)
{
counter++;
}
else if (base.TokenStream.Peek().Type == TokenType.RightAngleBracket)
{
counter--;
}
if (counter == 0 ||
(base.TokenStream.Peek().Type != TokenType.MachineDecl &&
base.TokenStream.Peek().Type != TokenType.Void &&
base.TokenStream.Peek().Type != TokenType.Object &&
base.TokenStream.Peek().Type != TokenType.String &&
base.TokenStream.Peek().Type != TokenType.Sbyte &&
base.TokenStream.Peek().Type != TokenType.Byte &&
base.TokenStream.Peek().Type != TokenType.Short &&
base.TokenStream.Peek().Type != TokenType.Ushort &&
base.TokenStream.Peek().Type != TokenType.Int &&
base.TokenStream.Peek().Type != TokenType.Uint &&
base.TokenStream.Peek().Type != TokenType.Long &&
base.TokenStream.Peek().Type != TokenType.Ulong &&
base.TokenStream.Peek().Type != TokenType.Char &&
base.TokenStream.Peek().Type != TokenType.Bool &&
base.TokenStream.Peek().Type != TokenType.Decimal &&
base.TokenStream.Peek().Type != TokenType.Float &&
base.TokenStream.Peek().Type != TokenType.Double &&
base.TokenStream.Peek().Type != TokenType.Identifier &&
base.TokenStream.Peek().Type != TokenType.Dot &&
base.TokenStream.Peek().Type != TokenType.Comma &&
base.TokenStream.Peek().Type != TokenType.LeftSquareBracket &&
base.TokenStream.Peek().Type != TokenType.RightSquareBracket &&
base.TokenStream.Peek().Type != TokenType.LeftAngleBracket &&
base.TokenStream.Peek().Type != TokenType.RightAngleBracket))
{
break;
}
if (base.TokenStream.Peek().Type == TokenType.MachineDecl)
{
base.TokenStream.Swap(new Token(new TextUnit("MachineId", base.TokenStream.
Peek().TextUnit.Line), TokenType.MachineDecl));
}
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
if (base.TokenStream.Done ||
base.TokenStream.Peek().Type != TokenType.RightAngleBracket)
{
throw new ParsingException("Expected \">\".",
new List <TokenType>
{
TokenType.RightAngleBracket
});
}
textUnit = new TextUnit(textUnit.Text + base.TokenStream.Peek().TextUnit.Text,
line);
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
}
/// <summary>
/// Returns a clone of the text unit.
/// </summary>
/// <param name="textUnit">TextUnit</param>
/// <returns>TextUnit</returns>
public static TextUnit Clone(TextUnit textUnit)
{
return(new TextUnit(textUnit.Text, textUnit.Line));
}