/*
* /// <summary>
* /// Register a system plugin.
* /// </summary>
* /// <param name="plugin"></param>
* /// <param name="sort">Whether or not to sort the plugin by precedence after adding it to the system.</param>
* public void RegisterStmtPlugin(IStmtPlugin plugin, bool sort)
* {
* var map = plugin.IsSystemLevel ? _sysStmtPlugins : _stmtPlugins;
* RegisterPlugin(map, plugin, plugin.StartTokens, sort);
* }
*/
/// <summary>
/// Register an expression plugin.
/// </summary>
/// <param name="plugin"></param>
/// <param name="sort">Whether or not to sort the plugin by precedence after adding it to the system.</param>
public void RegisterExprPlugin(IExprPlugin plugin, bool sort)
{
_totalExpPlugins++;
var tokens = plugin.StartTokens;
// Case 1: Postfix plugin - single start token
if (tokens.Length == 1 && tokens[0] == "$Suffix")
{
AddPlugin(_postfixPlugins, plugin, "$Suffix", sort);
_hasPostfixPlugins = true;
}
else
{
// Case 2: Expression plugin
foreach (var token in tokens)
{
AddPlugin(_expPlugins, plugin, token, sort);
if (plugin.IsSystemLevel)
{
AddPlugin(_sysStmtPlugins, plugin, token, sort);
}
else if (plugin.IsStatement)
{
AddPlugin(_expStmtPlugins, plugin, token, sort);
}
if (token == "$NumericLiteralToken")
{
_hasLiteralCombinators = true;
}
}
}
}
/// <summary>
/// Whether or not there is a statement plugin that can handle the token supplied.
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public bool CanHandleStmt(Token token)
{
var plugin = GetStmt(token);
if (plugin == null)
{
return(false);
}
_lastMatchedExtStmt = plugin;
return(true);
}
/// <summary>
/// Whether or not there is a expression plugin that can handle the token supplied.
/// </summary>
/// <param name="token">The token to check against combinators.</param>
/// <returns></returns>
public bool CanHandleExp(Token token)
{
var plugin = GetExp(token);
_lastMatchedExp = plugin;
if (plugin == null)
{
return(false);
}
return(true);
}
private string ExprMetaData(IExprPlugin plugin, int id)
{
var name = plugin.GetType().Name.Replace("Plugin", "");
var filepath = @"C:\Dev\Kishore\Apps\FluentScript\fluentscript_latest2\build\plugin_template.js";
var content = System.IO.File.ReadAllText(filepath);
var replacements = new Dictionary <string, string>();
replacements["name"] = name;
replacements["desc"] = "";
replacements["type"] = "expr";
replacements["precedence"] = plugin.Precedence.ToString();
replacements["isStatement"] = plugin.IsStatement.ToString().ToLower();
replacements["isEndOfStatementRequired"] = plugin.IsEndOfStatementRequired.ToString().ToLower();
replacements["isSystemLevel"] = plugin.IsSystemLevel.ToString().ToLower();
replacements["isAssignmentSupported"] = plugin.IsAssignmentSupported.ToString().ToLower();
var tokens = "";
for (var ndx = 0; ndx < plugin.StartTokens.Count(); ndx++)
{
if (ndx != 0)
{
tokens += ", ";
}
tokens += "'" + plugin.StartTokens[ndx] + "'";
}
var examples = "";
if (plugin.Examples != null)
{
for (var ndx = 0; ndx < plugin.Examples.Count(); ndx++)
{
if (ndx != 0)
{
examples += ", ";
}
examples += "'" + plugin.Examples[ndx] + "'";
}
}
replacements["starttokens"] = tokens;
replacements["examples"] = examples;
foreach (var pair in replacements)
{
content = content.Replace("${" + pair.Key + "}", pair.Value);
}
return(content);
}
