From 9647069fc353b3ae6ec810cf0eb5adea8117e857 Mon Sep 17 00:00:00 2001
From: Vadim Lopatin <coolreader.org@gmail.com>
Date: Thu, 10 Aug 2017 17:41:04 +0300
Subject: [PATCH] trying to fix #203

---
 src/dlangide/tools/d/dcdinterface.d | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/dlangide/tools/d/dcdinterface.d b/src/dlangide/tools/d/dcdinterface.d
index 07ac8ec..4bc3c65 100644
--- a/src/dlangide/tools/d/dcdinterface.d
+++ b/src/dlangide/tools/d/dcdinterface.d
@@ -4,6 +4,7 @@ import dlangui.core.logger;
 import dlangui.core.files;
 import dlangui.platforms.common.platform;
 import ddebug.common.queue;
+import dsymbol.string_interning : internString;
 
 import core.thread;
 
@@ -47,7 +48,7 @@ class DCDTask {
     }
     void createRequest() {
         request.sourceCode = cast(ubyte[])_content;
-        request.fileName = _filename;
+        request.fileName = internString(_filename);
         request.cursorPosition = _index;
         request.importPaths = _importPaths;
     }
@@ -70,16 +71,25 @@ class DCDTask {
     }
 }
 
+string[] internStrings(in string[] src) {
+    if (!src)
+        return null;
+    string[] res;
+    foreach(s; src)
+        res ~= internString(s);
+    return res;
+}
+
 class ModuleCacheAccessor {
     import dsymbol.modulecache;
     //protected ASTAllocator _astAllocator;
     protected ModuleCache _moduleCache;
     this(in string[] importPaths) {
         _moduleCache = ModuleCache(new ASTAllocator);
-        _moduleCache.addImportPaths(importPaths);
+        _moduleCache.addImportPaths(internStrings(importPaths));
     }
     protected ModuleCache * getModuleCache(in string[] importPaths) {
-        _moduleCache.addImportPaths(importPaths);
+        _moduleCache.addImportPaths(internStrings(importPaths));
         return &_moduleCache;
     }
 }