/// <summary>
/// Visits the syntax node.
/// </summary>
/// <param name="parentNode">Node</param>
internal void Visit(StateDeclaration parentNode)
{
if (parentNode.ExitDeclaration != null)
{
throw new ParsingException("Duplicate exit declaration.",
new List <TokenType>());
}
var node = new ExitDeclaration(base.TokenStream.Program, parentNode);
node.ExitKeyword = base.TokenStream.Peek();
base.TokenStream.Index++;
base.TokenStream.SkipWhiteSpaceAndCommentTokens();
if (base.TokenStream.Done ||
base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
{
throw new ParsingException("Expected \"{\".",
new List <TokenType>
{
TokenType.LeftCurlyBracket
});
}
var blockNode = new BlockSyntax(base.TokenStream.Program, parentNode.Machine, parentNode);
new BlockSyntaxVisitor(base.TokenStream).Visit(blockNode);
node.StatementBlock = blockNode;
parentNode.ExitDeclaration = node;
}
/// <summary>
/// Visits the syntax node.
/// </summary>
internal void Visit(StateDeclaration parentNode, bool isAsync = false)
{
if (parentNode.ExitDeclaration != null)
{
throw new ParsingException("Duplicate exit declaration.");
}
var node = new ExitDeclaration(this.TokenStream.Program, parentNode, isAsync);
node.ExitKeyword = this.TokenStream.Peek();
this.TokenStream.Index++;
this.TokenStream.SkipWhiteSpaceAndCommentTokens();
if (this.TokenStream.Done ||
this.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
{
throw new ParsingException("Expected \"{\".", TokenType.LeftCurlyBracket);
}
var blockNode = new BlockSyntax(this.TokenStream.Program, parentNode.Machine, parentNode);
new BlockSyntaxVisitor(this.TokenStream).Visit(blockNode);
node.StatementBlock = blockNode;
parentNode.ExitDeclaration = node;
}
