/// <summary>
/// Decides if the current function definition is a reference of the symbol being searched for.
/// A reference of the symbol will be a of type SymbolType.Function and have the same name as the symbol
/// </summary>
/// <param name="functionDefinitionAst">A functionDefinitionAst in the script's AST</param>
/// <returns>A visit action that continues the search for references</returns>
public override AstVisitAction VisitFunctionDefinition(FunctionDefinitionAst functionDefinitionAst)
{
// Get the start column number of the function name,
// instead of the the start column of 'function' and create new extent for the functionName
int startColumnNumber =
functionDefinitionAst.Extent.Text.IndexOf(
functionDefinitionAst.Name) + 1;
IScriptExtent nameExtent = new ScriptExtent()
{
Text = functionDefinitionAst.Name,
StartLineNumber = functionDefinitionAst.Extent.StartLineNumber,
EndLineNumber = functionDefinitionAst.Extent.StartLineNumber,
StartColumnNumber = startColumnNumber,
EndColumnNumber = startColumnNumber + functionDefinitionAst.Name.Length
};
if (symbolRef.SymbolType.Equals(SymbolType.Function) &&
nameExtent.Text.Equals(symbolRef.SymbolName, StringComparison.CurrentCultureIgnoreCase))
{
this.FoundReferences.Add(new SymbolReference(
SymbolType.Function,
nameExtent));
}
return(base.VisitFunctionDefinition(functionDefinitionAst));
}
/// <summary>
/// Adds keys in the input hashtable to the symbol reference
/// </summary>
public override AstVisitAction VisitHashtable(HashtableAst hashtableAst)
{
if (hashtableAst.KeyValuePairs == null)
{
return(AstVisitAction.Continue);
}
foreach (var kvp in hashtableAst.KeyValuePairs)
{
var keyStrConstExprAst = kvp.Item1 as StringConstantExpressionAst;
if (keyStrConstExprAst != null)
{
IScriptExtent nameExtent = new ScriptExtent()
{
Text = keyStrConstExprAst.Value,
StartLineNumber = kvp.Item1.Extent.StartLineNumber,
EndLineNumber = kvp.Item2.Extent.EndLineNumber,
StartColumnNumber = kvp.Item1.Extent.StartColumnNumber,
EndColumnNumber = kvp.Item2.Extent.EndColumnNumber
};
SymbolType symbolType = SymbolType.HashtableKey;
this.SymbolReferences.Add(
new SymbolReference(
symbolType,
nameExtent));
}
}
return(AstVisitAction.Continue);
}
/// <summary>
/// Checks to see if this function definition is the symbol we are looking for.
/// </summary>
/// <param name="functionDefinitionAst">A functionDefinitionAst object in the script's AST</param>
/// <returns>A descion to stop searching if the right symbol was found,
/// or a decision to continue if it wasn't found</returns>
public override AstVisitAction VisitFunctionDefinition(FunctionDefinitionAst functionDefinitionAst)
{
int startColumnNumber =
functionDefinitionAst.Extent.Text.IndexOf(
functionDefinitionAst.Name) + 1;
IScriptExtent nameExtent = new ScriptExtent()
{
Text = functionDefinitionAst.Name,
StartLineNumber = functionDefinitionAst.Extent.StartLineNumber,
EndLineNumber = functionDefinitionAst.Extent.EndLineNumber,
StartColumnNumber = startColumnNumber,
EndColumnNumber = startColumnNumber + functionDefinitionAst.Name.Length
};
if (this.IsPositionInExtent(nameExtent))
{
this.FoundSymbolReference =
new SymbolReference(
SymbolType.Function,
nameExtent);
return(AstVisitAction.StopVisit);
}
return(base.VisitFunctionDefinition(functionDefinitionAst));
}
public override AstVisitAction VisitConfigurationDefinition(ConfigurationDefinitionAst configurationDefinitionAst)
{
IScriptExtent nameExtent = new ScriptExtent()
{
Text = configurationDefinitionAst.InstanceName.Extent.Text,
StartLineNumber = configurationDefinitionAst.Extent.StartLineNumber,
EndLineNumber = configurationDefinitionAst.Extent.EndLineNumber,
StartColumnNumber = configurationDefinitionAst.Extent.StartColumnNumber,
EndColumnNumber = configurationDefinitionAst.Extent.EndColumnNumber
};
this.SymbolReferences.Add(
new SymbolReference(
SymbolType.Configuration,
nameExtent));
return(AstVisitAction.Continue);
}
/// <summary>
/// Adds each function definition as a
/// </summary>
/// <param name="functionDefinitionAst">A functionDefinitionAst object in the script's AST</param>
/// <returns>A decision to stop searching if the right symbol was found,
/// or a decision to continue if it wasn't found</returns>
public override AstVisitAction VisitFunctionDefinition(FunctionDefinitionAst functionDefinitionAst)
{
IScriptExtent nameExtent = new ScriptExtent()
{
Text = functionDefinitionAst.Name,
StartLineNumber = functionDefinitionAst.Extent.StartLineNumber,
EndLineNumber = functionDefinitionAst.Extent.EndLineNumber,
StartColumnNumber = functionDefinitionAst.Extent.StartColumnNumber,
EndColumnNumber = functionDefinitionAst.Extent.EndColumnNumber
};
SymbolType symbolType =
functionDefinitionAst.IsWorkflow ?
SymbolType.Workflow : SymbolType.Function;
this.SymbolReferences.Add(
new SymbolReference(
symbolType,
nameExtent));
return(AstVisitAction.Continue);
}
