/// <summary>
/// Visits the syntax node.
/// </summary>
/// <param name="parentNode">Node</param>
/// <param name="typeIdentifier">Type identifier</param>
/// <param name="identifier">Identifier</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, Token typeIdentifier, Token identifier,
bool isModel, AccessModifier accMod, InheritanceModifier inhMod, bool isAsync)
{
if (parentNode.IsModel)
{
isModel = true;
}
var node = new MethodDeclaration(base.TokenStream.Program, isModel);
node.AccessModifier = accMod;
node.InheritanceModifier = inhMod;
node.TypeIdentifier = typeIdentifier;
node.Identifier = identifier;
node.IsAsync = isAsync;
node.LeftParenthesisToken = base.TokenStream.Peek();
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
while (!base.TokenStream.Done &&
base.TokenStream.Peek().Type != TokenType.RightParenthesis)
{
base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit));
node.Parameters.Add(base.TokenStream.Peek());
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
}
node.RightParenthesisToken = base.TokenStream.Peek();
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
if (base.TokenStream.Done ||
(base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket &&
base.TokenStream.Peek().Type != TokenType.Semicolon))
{
throw new ParsingException("Expected \"{\" or \";\".",
new List<TokenType>
{
TokenType.LeftCurlyBracket,
TokenType.Semicolon
});
}
if (base.TokenStream.Peek().Type == TokenType.LeftCurlyBracket)
{
var blockNode = new BlockSyntax(base.TokenStream.Program, parentNode,
null, parentNode.IsModel);
new BlockSyntaxVisitor(base.TokenStream).Visit(blockNode);
node.StatementBlock = blockNode;
}
else if (base.TokenStream.Peek().Type == TokenType.Semicolon)
{
node.SemicolonToken = base.TokenStream.Peek();
}
parentNode.MethodDeclarations.Add(node);
}
/// <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>
/// Swaps the current token with the new token. Does nothing if the stream is
/// empty.
/// </summary>
public void Swap(Token token)
{
if (this.Index == this.Tokens.Count)
{
return;
}
this.Tokens[this.Index] = token;
}
