/// <summary>
/// Returns function declaration line from source code.
/// </summary>
/// <param name="node">The node.</param>
/// <param name="document">The document.</param>
/// <returns></returns>
public static TextPoint GetFunctionDeclarationFromSource(
FunctionDeclaration node, TextDocument document)
{
TextPoint endPoint = null;
string name = node.Name;
var functionLineText = GetCodeLineText(document, node.Location.sLin);
if (!string.IsNullOrEmpty(functionLineText))
{
int startIndex = functionLineText.ToLower().IndexOf("function", StringComparison.CurrentCultureIgnoreCase);
if (startIndex > -1)
{
int nameIndex = functionLineText.IndexOf(name);
endPoint = new LuaTextPoint(document, nameIndex + name.Length + 2, node.Location.sLin);
}
}
return endPoint;
}
/// <summary>
/// Adds a function to the top-level element.
/// </summary>
/// <param name="objectName">Name of the object.</param>
/// <param name="returnType">Type of the return.</param>
/// <param name="function">The function.</param>
/// <returns></returns>
public CodeFunction AddFunction(string objectName, LuaDeclaredType returnType, FunctionDeclaration function)
{
CodeFunction codeFunction = RootElement.AddFunction(objectName, vsCMFunction.vsCMFunctionFunction,
returnType, Missing.Value,
vsCMAccess.vsCMAccessPublic, function);
return codeFunction;
}
/// <summary>
/// Recurse and translate Function AST node.
/// </summary>
/// <param name="node">AST node instance.</param>
/// <param name="parentElement">Parent of LuaCodeFunction element.</param>
private void RecurseFunctionNode(Function node, CodeElement parentElement)
{
var functionNode = new FunctionDeclaration(node.Location)
{
Body = node.Body,
Name = node.Name,
Next = node.Next,
ParameterList = node.ParameterList,
IsLocal = true
};
RecurseFunctionDeclarationNode(parentElement, functionNode);
}
/// <summary>
/// Recurse and translate FunctionDeclaration AST node.
/// </summary>
/// <param name="node">AST node instance.</param>
/// <param name="parentElement">Parent of element.</param>
private void RecurseFunctionDeclarationNode(CodeElement parentElement, FunctionDeclaration node)
{
AddElementToParent(parentElement, RecurseFunctionDeclaration(parentElement, node));
}
/// <summary>
/// Recurse and translate FunctionDeclaration AST node.
/// </summary>
/// <param name="node">AST node instance.</param>
private void RecurseFunctionDeclarationNode(FunctionDeclaration node)
{
rootElement.AddFunction(RecurseFunctionDeclaration(rootElement, node));
}
/// <summary>
/// Recurse and translate FunctionDeclaration AST node.
/// </summary>
/// <param name="node">AST node instance.</param>
/// <param name="parentElement">Parent of function.</param>
private LuaCodeFunction RecurseFunctionDeclaration(CodeElement parentElement, FunctionDeclaration node)
{
LuaCodeFunction function = LuaCodeElementFactory.CreateLuaCodeFunction(
dte, parentElement, node.Name, LuaType.Unknown, node.IsLocal, node);
if (node.Body != null && node.Body.StatementList != null)
{
foreach (var statement in node.Body.StatementList)
{
RecurseStatement(function, statement);
}
}
if (node.ParameterList != null)
{
foreach (Identifier param in node.ParameterList.IdentifierList)
{
function.AddParameter(param.Name, param, -1);
}
}
return function;
}