public override void BuildAst(LanguageData language, ParseTree parseTree) {
var opHandler = new OperatorHandler(language.Grammar.CaseSensitive);
Util.Check(!parseTree.HasErrors(), "ParseTree has errors, cannot build AST.");
var astContext = new InterpreterAstContext(language, opHandler);
var astBuilder = new AstBuilder(astContext);
astBuilder.BuildAst(parseTree);
}
public virtual void BuildAst(LanguageData language, ParseTree parseTree)
{
if (!LanguageFlags.IsSet(LanguageFlags.CreateAst))
return;
var astContext = new AstContext(language);
var astBuilder = new AstBuilder(astContext);
astBuilder.BuildAst(parseTree);
}
/// <summary>Builds the AST for the specified language data and parse tree.</summary>
/// <param name="language">The language data.</param>
/// <param name="parseTree">The parse tree to build the AST against.</param>
public override void BuildAst(LanguageData language, ParseTree parseTree)
{
if (!LanguageFlags.IsSet(LanguageFlags.CreateAst))
return;
var astContext=new InterpreterAstContext(language, _OperatorHandler);
astContext.DefaultNodeType=typeof(NotSupportedNode);
var astBuilder=new AstBuilder(astContext);
astBuilder.BuildAst(parseTree);
}
private ISqlNode ParseNode(string sqlSource, ICollection<SqlParseError> errors, out long parseTime)
{
var tree = parser.Parse(sqlSource);
parseTime = tree.ParseTimeMilliseconds;
if (tree.Status == ParseTreeStatus.Error) {
BuildErrors(tree, errors, tree.ParserMessages);
return null;
}
var astContext = new AstContext(languageData) {
DefaultNodeType = typeof (SqlNode),
DefaultIdentifierNodeType = typeof (IdentifierNode)
};
var astCompiler = new AstBuilder(astContext);
astCompiler.BuildAst(tree);
if (tree.HasErrors())
BuildErrors(tree, errors, tree.ParserMessages);
var node = (ISqlNode) tree.Root.AstNode;
if (node.NodeName == "root")
node = node.ChildNodes.FirstOrDefault();
return node;
}
