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// Parser.cs
//
// This file was derived from a file from #Develop.
//
// Copyright (C) 2001-2007 Andrea Paatz <andrea@icsharpcode.net>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Text;
using System.Drawing;
using System.Collections;
using System.Collections.Generic;
using MonoDevelop.Ide.Gui;
using MonoDevelop.Core;
using MonoDevelop.Projects.Parser;
using MonoDevelop.Projects;
using NemerleBinding.Parser.SharpDevelopTree;
using Nemerle.Completion;
using NCC = Nemerle.Compiler;
using System.Xml;
namespace NemerleBinding.Parser
{
public class TParser : IParser
{
Engine engine;
internal static Dictionary<string, XmlDocument> xmlCache;
public TParser ()
{
lock (syncObject)
{
engine = new Engine ();
xmlCache = new Dictionary<string, XmlDocument> ();
}
}
///<summary>IParser Interface</summary>
string[] lexerTags;
public string[] LexerTags {
get {
return lexerTags;
}
set {
lexerTags = value;
}
}
public IExpressionFinder CreateExpressionFinder(string fileName)
{
return new ExpressionFinder(fileName);
}
public bool CanParse(string fileName)
{
return System.IO.Path.GetExtension(fileName).ToUpper() == ".N";
}
private void ReloadReferences ()
{
Project currentProj = IdeApp.ProjectOperations.CurrentSelectedProject;
foreach (ProjectReference refer in currentProj.ProjectReferences)
{
if (!engine.References.ContainsKey (refer.Reference))
engine.References.Add (refer.Reference, refer.Reference);
}
foreach (string s in engine.References.GetKeys ())
{
bool deleteReference = true;
foreach (ProjectReference refer in currentProj.ProjectReferences)
{
if (refer.Reference == s)
{
deleteReference = false;
break;
}
}
if (deleteReference)
engine.References.Remove (s);
}
}
private void ReloadFiles (string reload, string newContents)
{
Project currentProj = IdeApp.ProjectOperations.CurrentSelectedProject;
foreach (ProjectFile file in currentProj.ProjectFiles)
{
if (file.Name.EndsWith (".N") || file.Name.EndsWith (".n"))
{
if (!engine.Sources.ContainsKey (file.Name) ||
file.Name == reload)
engine.Sources.Add (file.Name, newContents ?? file.Data);
}
}
foreach (string s in engine.Sources.GetKeys ())
{
bool deleteFile = true;
foreach (ProjectFile file in currentProj.ProjectFiles)
{
if (file.Name == s)
{
deleteFile = false;
break;
}
}
if (deleteFile)
engine.Sources.Remove (s);
}
}
static object syncObject = new object ();
DefaultCompilationUnit cu;
private ICompilationUnitBase parse_the_file (string fileName, string contents)
{
if (IdeApp.ProjectOperations.CurrentSelectedProject == null)
return null;
lock (syncObject)
{
try
{
ReloadReferences ();
ReloadFiles (fileName, contents);
CompletionStageHandler handler = new CompletionStageHandler (make_type);
cu = new DefaultCompilationUnit ();
engine.GetTypeTree (handler);
return cu;
}
catch (Exception ex)
{
System.Console.WriteLine ("ERROR");
System.Console.WriteLine (ex.Message);
System.Console.WriteLine (ex.StackTrace);
return null;
}
}
}
public ICompilationUnitBase Parse(string fileName)
{
return parse_the_file (fileName, null);
}
public ICompilationUnitBase Parse(string fileName, string fileContent)
{
return parse_the_file (fileName, fileContent);
}
void make_type (NCC.TypeInfo ti)
{
cu.Classes.Add (new Class (ti, cu));
}
public LanguageItemCollection CtrlSpace(IParserContext parserContext, int caretLine, int caretColumn, string fileName)
{
Project currentProj = IdeApp.ProjectOperations.CurrentSelectedProject;
string fileContent = "";
foreach (ProjectFile file in currentProj.ProjectFiles)
{
if (file.Name == fileName)
{
fileContent = file.Data;
break;
}
}
ResolveResult res = real_resolve (parserContext, caretLine, caretColumn, fileName, fileContent, true);
return res.Members;
}
public LanguageItemCollection IsAsResolve (IParserContext parserContext, string expression, int caretLineNumber, int caretColumn, string fileName, string fileContent)
{
return null;
}
public ResolveResult Resolve (IParserContext parserContext, string expression, int caretLineNumber, int caretColumn, string fileName, string fileContent)
{
return real_resolve (parserContext, caretLineNumber, caretColumn, fileName, fileContent, false);
}
public ResolveResult real_resolve (IParserContext parserContext, int caretLineNumber, int caretColumn, string fileName, string fileContent, bool completeLocals)
{
try
{
DefaultCompilationUnit comp = (DefaultCompilationUnit)parserContext.GetParseInformation (fileName).MostRecentCompilationUnit;
Class the_class = null;
foreach (DefaultClass cl in comp.Classes)
{
if (cl.BodyRegion.BeginLine <= caretLineNumber &&
cl.BodyRegion.EndLine >= caretLineNumber)
{
the_class = (Class)cl;
}
foreach (DefaultClass nc in cl.InnerClasses)
{
if (nc.BodyRegion.BeginLine <= caretLineNumber &&
nc.BodyRegion.EndLine >= caretLineNumber)
{
the_class = (Class)nc;
}
}
if (the_class != null) break;
}
if (the_class == null)
return null;
else
{
INemerleMethod the_method = null;
int line = 0, column = 0, end_line = 0, end_column = 0;
foreach (DefaultMethod m in the_class.Methods)
{
if (m.BodyRegion.BeginLine <= caretLineNumber &&
m.BodyRegion.EndLine >= caretLineNumber &&
m.BodyRegion.BeginLine != the_class.BodyRegion.BeginLine)
{
the_method = (INemerleMethod)m;
line = m.BodyRegion.BeginLine;
column = m.BodyRegion.BeginColumn;
end_line = m.BodyRegion.EndLine;
end_column = m.BodyRegion.EndColumn;
break;
}
}
if (the_method == null)
{
// Try with properties
foreach (Property p in the_class.Properties)
{
if (p.GetterRegion != null)
{
if (p.GetterRegion.BeginLine <= caretLineNumber &&
p.GetterRegion.EndLine >= caretLineNumber)
{
the_method = (INemerleMethod)p.Getter;
line = p.GetterRegion.BeginLine;
column = p.GetterRegion.BeginColumn;
end_line = p.BodyRegion.EndLine;
end_column = p.BodyRegion.EndColumn;
break;
}
}
if (p.SetterRegion != null)
{
if (p.SetterRegion.BeginLine <= caretLineNumber &&
p.SetterRegion.EndLine >= caretLineNumber)
{
the_method = (INemerleMethod)p.Setter;
line = p.SetterRegion.BeginLine;
column = p.SetterRegion.BeginColumn;
end_line = p.BodyRegion.EndLine;
end_column = p.BodyRegion.EndColumn;
break;
}
}
}
foreach (Indexer p in the_class.Indexer)
{
if (p.GetterRegion != null)
{
if (p.GetterRegion.BeginLine <= caretLineNumber &&
p.GetterRegion.EndLine >= caretLineNumber)
{
the_method = (INemerleMethod)p.Getter;
line = p.GetterRegion.BeginLine;
column = p.GetterRegion.BeginColumn;
end_line = p.BodyRegion.EndLine;
end_column = p.BodyRegion.EndColumn;
break;
}
}
if (p.SetterRegion != null)
{
if (p.SetterRegion.BeginLine <= caretLineNumber &&
p.SetterRegion.EndLine >= caretLineNumber)
{
the_method = (INemerleMethod)p.Setter;
line = p.SetterRegion.BeginLine;
column = p.SetterRegion.BeginColumn;
end_line = p.BodyRegion.EndLine;
end_column = p.BodyRegion.EndColumn;
break;
}
}
}
}
if (the_method == null)
return null;
else
{
// Recover the text from the start of the method to cursor
string method_start = Crop (fileContent, line, column, caretLineNumber, caretColumn);
string method_end = Crop (fileContent, caretLineNumber, caretColumn, end_line, end_column) + "}";
// System.Console.WriteLine (method_start + method_end);
NCC.CompletionResult infox = engine.RunCompletionEngine ((NCC.MethodBuilder)the_method.Member,
method_start + method_end, method_start.Length);
return GetResults (infox, comp, completeLocals);
}
}
}
catch(Exception ex)
{
Console.WriteLine (ex.Message);
Console.WriteLine (ex.StackTrace);
return null;
}
}
ResolveResult GetResults (NCC.CompletionResult results, DefaultCompilationUnit cu, bool completeLocals)
{
try
{
if (results == null || results.Elems.Count == 0)
return null;
if (results.Elems [0] is NCC.Elem.Node)
{
List<string> alreadyAdded = new List<string> ();
List<string> namespaces = new List<string> ();
LanguageItemCollection lang = new LanguageItemCollection ();
foreach (NCC.Elem elem in results.Elems)
{
if (!(elem is NCC.Elem.Node))
continue;
NCC.Elem.Node enode = (NCC.Elem.Node)elem;
if (enode.node.Value is NCC.NamespaceTree.TypeInfoCache.NamespaceReference)
{
namespaces.Add (enode.Name);
}
else if (enode.node.Value is NCC.NamespaceTree.TypeInfoCache.Cached)
{
if (!alreadyAdded.Contains (enode.Name))
{
alreadyAdded.Add (enode.Name);
lang.Add (new Class (((NCC.NamespaceTree.TypeInfoCache.Cached)enode.node.Value).tycon, cu, false));
}
}
}
return new ResolveResult (namespaces.ToArray (), lang);
}
else
{
Class declaring = GetTheRealType (results.ObjectType, cu);
/*if (declaring.FullyQualifiedName == "System.Object")
{
// Try with any other member
NCC.TypeInfo found = null;
foreach (NCC.OverloadPossibility ov in results.Overloads)
{
if (ov.Member.DeclaringType.FrameworkTypeName != "System.Object")
{
found = ov.Member.DeclaringType;
break;
}
}
if (found != null)
declaring = new Class (found, cu, false);
}*/
LanguageItemCollection lang = new LanguageItemCollection ();
foreach (NCC.Elem elem in results.Elems)
{
if (elem is NCC.Elem.Local)
{
if (!completeLocals)
continue;
NCC.Elem.Local lvalue = (NCC.Elem.Local)elem;
/* lang.Add (new NemerleBinding.Parser.SharpDevelopTree.Local
(new Class ("LOCALS", cu), lvalue.Value));
*/ }
else if (elem is NCC.Elem.Overloads)
{
NCC.Elem.Overloads lvalue = (NCC.Elem.Overloads)elem;
foreach (NCC.OverloadPossibility ov in lvalue.Values)
AddMember (declaring, lang, ov.Member);
}
else if (elem is NCC.Elem.Overload)
{
NCC.Elem.Overload lvalue = (NCC.Elem.Overload)elem;
AddMember (declaring, lang, lvalue.Value.Member);
}
else if (elem is NCC.Elem.Member)
{
NCC.Elem.Member lvalue = (NCC.Elem.Member)elem;
AddMember (declaring, lang, lvalue.member);
}
}
return new ResolveResult (declaring, lang);
}
}
catch (Exception ex)
{
System.Console.WriteLine (ex.GetType().FullName);
System.Console.WriteLine (ex.Message);
System.Console.WriteLine (ex.StackTrace);
if (ex.InnerException != null)
{
System.Console.WriteLine (ex.InnerException.GetType().FullName);
System.Console.WriteLine (ex.InnerException.Message);
System.Console.WriteLine (ex.InnerException.StackTrace);
}
return null;
}
}
private void AddMember (Class declaring, LanguageItemCollection lang, NCC.IMember member)
{
// Do not add property getters and setters, not events adders and removers,
// nor overloaded operators, nor enum value__, not Nemerle internal methods
if (member.Name.StartsWith("_N") || member.Name.StartsWith("get_") ||
member.Name.StartsWith("set_") || member.Name == "value__" ||
member.Name.StartsWith("op_") || member.Name.StartsWith("add_") ||
member.Name.StartsWith("remove_"))
return;
try
{
if (member is NCC.IField)
lang.Add (new NemerleBinding.Parser.SharpDevelopTree.Field (declaring, (NCC.IField)member));
else if (member is NCC.IMethod)
lang.Add (new Method (declaring, (NCC.IMethod)member));
else if (member is NCC.IProperty)
{
NCC.IProperty prop = (NCC.IProperty)member;
if (prop.IsIndexer)
lang.Add (new Indexer (declaring, prop));
else
lang.Add (new Property (declaring, prop));
}
else if (member is NCC.IEvent)
lang.Add (new Event (declaring, (NCC.IEvent)member));
}
catch (Exception e)
{
System.Console.WriteLine (e.Message);
}
}
private Class GetTheRealType (NCC.MType objectType, DefaultCompilationUnit cu)
{
if (objectType is NCC.MType.Class)
{
return new Class (((NCC.MType.Class)objectType).tycon, cu, false);
}
else if (objectType is NCC.MType.Array)
{
return new Class ("System.Array", cu);
}
else if (objectType is NCC.MType.Fun)
{
return GetTheRealType (((NCC.MType.Fun)objectType).to.Fix (), cu);
}
else if (objectType is NCC.MType.Ref)
{
return GetTheRealType (((NCC.MType.Ref)objectType).t.Fix (), cu);
}
else if (objectType is NCC.MType.Out)
{
return GetTheRealType (((NCC.MType.Out)objectType).t.Fix (), cu);
}
else
{
return null;
}
}
public ILanguageItem ResolveIdentifier (IParserContext parserContext, string id, int caretLineNumber, int caretColumn, string fileName, string fileContent)
{
return null;
}
string Crop (string content, int startLine, int startColumn, int endLine, int endColumn)
{
string[] lines = content.Split ('\n');
StringBuilder sb = new StringBuilder ();
for (int i = startLine - 1; i < endLine; i++)
{
if (i == (startLine - 1) && i == (endLine - 1))
{
sb.Append (lines[i].Substring (startColumn - 1, endColumn - startColumn));
break;
}
else if (i == (startLine - 1))
sb.Append (lines[i].Substring (startColumn - 1) + "\n");
else if (i == (endLine - 1) || i >= lines.Length)
{
sb.Append (lines[i].Substring (0, endColumn - 1));
break;
}
else
sb.Append (lines[i] + "\n");
}
return sb.ToString (); //.TrimStart (' ', '{');
}
///////// IParser Interface END
}
}
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