public static List <AST.AssociativeAST.AssociativeNode> GetAstNodes(AST.AssociativeAST.CodeBlockNode codeBlockNode)
{
var nodes = new List <AST.AssociativeAST.AssociativeNode>();
if (codeBlockNode != null)
{
nodes.AddRange(codeBlockNode.Body);
}
return(nodes);
}
/// <summary>
/// Parse simple RHS expression
/// </summary>
/// <param name="expression"></param>
/// <param name="core"></param>
/// <returns></returns>
public static AST.AssociativeAST.AssociativeNode ParseRHSExpression(string expression, Core core)
{
if (string.IsNullOrEmpty(expression))
{
throw new ArgumentException("expression");
}
if (core == null)
{
throw new ArgumentException("core");
}
var currentParsingMode = core.ParsingMode;
var currentParsingFlag = core.IsParsingCodeBlockNode;
core.ParsingMode = ParseMode.AllowNonAssignment;
core.IsParsingCodeBlockNode = true;
AST.AssociativeAST.CodeBlockNode cbn = null;
try
{
expression = expression.Trim();
if (!expression.EndsWith(";"))
{
expression += ";";
}
expression = "__dummy = " + expression;
ParseResult parseResult = ParseWithCore(expression, core);
cbn = parseResult.CodeBlockNode;
}
catch (BuildHaltException)
{
}
core.ParsingMode = currentParsingMode;
core.IsParsingCodeBlockNode = currentParsingFlag;
if (cbn == null || !cbn.Body.Any())
{
return(null);
}
var expr = cbn.Body[0] as AST.AssociativeAST.BinaryExpressionNode;
return(expr == null ? null : expr.RightNode);
}
