/// <summary>
/// Gets a VariableDeclarationAST
/// </summary>
/// <returns>VariableDeclarationAST</returns>
private AST VariableDeclaration()
{
this.ConsumeToken(TokenType.VAR);
VariableAST variable = new VariableAST(this.currentToken);
this.ConsumeToken(TokenType.IDTOKEN);
this.ConsumeToken(TokenType.TWODOT);
TypeAST type = (TypeAST)this.TypeSpec();
if (this.currentToken.type == TokenType.SEMICOLON)
{
return(new VariableDeclarationAST(variable, type, this.currentToken));
}
else
{
this.ConsumeToken(TokenType.ASSIGN);
return(new VariableDeclarationAST(variable, type, this.currentToken, this.Expression()));
}
}
/// <summary>
/// Traverses type AST
/// </summary>
/// <param name="ast">TypeAST</param>
private void VisitTypeAST(TypeAST ast)
{
return;
}
public VariableDeclarationAST(VariableAST varNode, TypeAST typeNode, Token token, AST assignValue = null) : base(token)
{
this.assignedValue = assignValue;
this.varNode = varNode;
this.typeNode = typeNode;
}