public static bool IsRequireJs(string JsBlock)
{
Jint.Parser.JavaScriptParser parser = new Jint.Parser.JavaScriptParser();
var prog = parser.Parse(JsBlock);
foreach (var item in prog.Body)
{
if (item is Jint.Parser.Ast.ExpressionStatement)
{
var expres = item as Jint.Parser.Ast.ExpressionStatement;
if (expres.Expression is Jint.Parser.Ast.CallExpression)
{
var call = expres.Expression as Jint.Parser.Ast.CallExpression;
if (call.Callee is Jint.Parser.Ast.Identifier)
{
var id = call.Callee as Jint.Parser.Ast.Identifier;
if (id.Name.ToLower() == "require" || id.Name.ToLower() == "define")
{
return(true);
}
}
}
}
}
return(false);
}
public static HashSet <string> ListFunctionNames(string js)
{
HashSet <string> result = new HashSet <string>();
if (IsRequireJs(js))
{
var functions = ListRequireJsFuncs(js);
foreach (var item in functions)
{
result.Add(item.Id.Name);
}
}
else
{
Jint.Parser.JavaScriptParser parser = new Jint.Parser.JavaScriptParser();
var jsprogram = parser.Parse(js);
foreach (var item in jsprogram.FunctionDeclarations)
{
result.Add(item.Id.Name);
}
}
return(result);
}
public JSParserResult Parse(string code)
{
var jsp = new Jint.Parser.JavaScriptParser();
var returnedResult = new JSParserResult();
Program program = null;
try
{
program = jsp.Parse(code, new ParserOptions()
{
Tokens = true,
Comment = true,
});
}
catch (ParserException pex)
{
returnedResult.Errors.Add(new ErrorMessage()
{
Message = pex.Message,
StartColumn = pex.Column,
StartLine = pex.LineNumber
});
}
catch (Exception ex)
{
returnedResult.InternalErrors.Add(new ErrorMessage()
{
Message = ex.Message,
StartColumn = 1,
StartLine = 1
});
}
if (program == null)
{
return(returnedResult);
}
var comments = (program.Comments ?? Enumerable.Empty <Comment>())
.Select(c => new CommentWrapper(c));
_comments = new CommentsAgregator();
_comments.ProcessComments(comments);
ProcessStatements(program.Body, new ParserContext(returnedResult.Nodes));
returnedResult.TaskList = TaskListAggregator.GetTaskList(_comments.Comments, _settings.ToDoKeyWords).ToList();
return(returnedResult);
}
public JSParserResult Parse(string code)
{
var jsp = new Jint.Parser.JavaScriptParser();
var returnedResult = new JSParserResult();
Program program = null;
try
{
program = jsp.Parse(code, new ParserOptions()
{
Tokens = true,
Comment = true,
});
}
catch (ParserException pex)
{
returnedResult.Errors.Add(new ErrorMessage()
{
Message = pex.Message,
StartColumn = pex.Column,
StartLine = pex.LineNumber
});
}
catch (Exception ex)
{
returnedResult.InternalErrors.Add(new ErrorMessage()
{
Message = ex.Message,
StartColumn = 1,
StartLine = 1
});
}
if (program == null)
{
return returnedResult;
}
var comments = (program.Comments ?? Enumerable.Empty<Comment>())
.Select(c => new CommentWrapper(c));
_comments = new CommentsAgregator();
_comments.ProcessComments(comments);
ProcessStatements(program.Body, new ParserContext(returnedResult.Nodes));
returnedResult.TaskList = TaskListAggregator.GetTaskList(_comments.Comments, _settings.ToDoKeyWords).ToList();
return returnedResult;
}
public static string GetFuncBody(string js, string functionName)
{
Jint.Parser.JavaScriptParser parser = new Jint.Parser.JavaScriptParser();
var jsprogram = parser.Parse(js);
if (jsprogram != null)
{
var func = GetFuncByName(jsprogram, functionName);
if (func != null)
{
return(GetFuncBody(js, func));
}
}
return(null);
}
public static Dictionary <string, List <string> > ListFunctions(string js)
{
Dictionary <string, List <string> > result = new Dictionary <string, List <string> >();
if (IsRequireJs(js))
{
var functions = ListRequireJsFuncs(js);
foreach (var item in functions)
{
string name = item.Id.Name;
List <string> paras = new List <string>();
if (item.Parameters != null)
{
foreach (var p in item.Parameters)
{
paras.Add(p.Name);
}
}
result[name] = paras;
}
}
else
{
Jint.Parser.JavaScriptParser parser = new Jint.Parser.JavaScriptParser();
var jsprogram = parser.Parse(js);
foreach (var item in jsprogram.FunctionDeclarations)
{
string name = item.Id.Name;
List <string> paras = new List <string>();
if (item.Parameters != null)
{
foreach (var p in item.Parameters)
{
paras.Add(p.Name);
}
}
result[name] = paras;
}
}
return(result);
}
public static List <Jint.Parser.Ast.FunctionDeclaration> ListRequireJsFuncs(string requireJsBlock)
{
Jint.Parser.JavaScriptParser parser = new Jint.Parser.JavaScriptParser();
var prog = parser.Parse(requireJsBlock);
if (prog != null && prog.Body.Count() > 0)
{
var item = prog.Body.First();
if (item is Jint.Parser.Ast.ExpressionStatement)
{
var expres = item as Jint.Parser.Ast.ExpressionStatement;
if (expres.Expression is Jint.Parser.Ast.CallExpression)
{
var call = expres.Expression as Jint.Parser.Ast.CallExpression;
if (call != null && call.Arguments.Count() == 2)
{
var requireargu = call.Arguments[1];
if (requireargu != null && requireargu is Jint.Parser.Ast.FunctionExpression)
{
var requireFunc = requireargu as Jint.Parser.Ast.FunctionExpression;
if (requireFunc != null)
{
return(requireFunc.FunctionDeclarations.ToList());
}
}
}
}
}
}
return(new List <Jint.Parser.Ast.FunctionDeclaration>());
}