/// <summary>
/// Iterates over all the code in the JavaScript file to get a list of all the functions declared in that file.
/// </summary>
internal IReadOnlyList <FunctionMapEntry> ParseSourceCode(StreamReader sourceCodeStreamReader, SourceMap sourceMap)
{
if (sourceCodeStreamReader == null)
{
return(null);
}
string sourceCode = sourceCodeStreamReader.ReadToEnd();
sourceCodeStreamReader.Close();
JSParser jsParser = new JSParser();
// We just want the AST, don't let AjaxMin do any optimizations
CodeSettings codeSettings = new CodeSettings {
MinifyCode = false
};
Block block = jsParser.Parse(sourceCode, codeSettings);
FunctionFinderVisitor functionFinderVisitor = new FunctionFinderVisitor(sourceMap);
functionFinderVisitor.Visit(block);
// Sort in descending order by start position. This allows the first result found in a linear search to be the "closest function to the [consumer's] source position".
//
// ATTN: It may be possible to do this with an ascending order sort, followed by a series of binary searches on rows & columns.
// Our current profiles show the memory pressure being a bigger issue than the stack lookup, so I'm leaving this for now.
functionFinderVisitor.FunctionMap.Sort((x, y) => y.StartSourcePosition.CompareTo(x.StartSourcePosition));
return(functionFinderVisitor.FunctionMap);
}
/// <summary>
/// Iterates over all the code in the JavaScript file to get a list of all the functions declared in that file.
/// </summary>
internal List <FunctionMapEntry> ParseSourceCode(StreamReader sourceCodeStreamReader)
{
if (sourceCodeStreamReader == null)
{
return(null);
}
string sourceCode = sourceCodeStreamReader.ReadToEnd();
sourceCodeStreamReader.Close();
JSParser jsParser = new JSParser();
// We just want the AST, don't let AjaxMin do any optimizations
CodeSettings codeSettings = new CodeSettings {
MinifyCode = false
};
Block block = jsParser.Parse(sourceCode, codeSettings);
FunctionFinderVisitor functionFinderVisitor = new FunctionFinderVisitor();
functionFinderVisitor.Visit(block);
// Sort in descending order by start position
functionFinderVisitor.FunctionMap.Sort((x, y) => y.StartSourcePosition.CompareTo(x.StartSourcePosition));
return(functionFinderVisitor.FunctionMap);
}
