make private symbols not show up in auto complete

dsymbol

@@ -1 +1 @@
-Subproject commit 5b7f06ff005c63a2bf22db0736097ef35b9d36e7
+Subproject commit 5825b717be321f8e69058848322752f5b9d8e698

dub.json

@@ -7,7 +7,7 @@
   ],
   "license": "GPL-3.0",
   "dependencies": {
-    "dsymbol": "~>0.6.4",
+    "dsymbol": "~>0.7.0",
     "libdparse": "~>0.11.4",
     "msgpack-d": "~>1.0.0-beta.7",
     "stdx-allocator": "~>2.77.5",

src/dcd/server/autocomplete/complete.d

@@ -503,7 +503,7 @@ void setCompletions(T)(ref AutocompleteResponse response,
 	CompletionType completionType, bool isBracket = false, string partial = null)
 {
 	static void addSymToResponse(const(DSymbol)* s, ref AutocompleteResponse r, string p,
-		size_t[] circularGuard = [])
+		Scope* completionScope, size_t[] circularGuard = [])
 	{
 		if (circularGuard.canFind(cast(size_t) s))
 			return;
@@ -512,12 +512,13 @@ void setCompletions(T)(ref AutocompleteResponse response,
 			if (sym.name !is null && sym.name.length > 0 && isPublicCompletionKind(sym.kind)
 				&& (p is null ? true : toUpper(sym.name.data).startsWith(toUpper(p)))
 				&& !r.completions.canFind!(a => a.identifier == sym.name)
-				&& sym.name[0] != '*')
+				&& sym.name[0] != '*'
+				&& mightBeRelevantInCompletionScope(sym, completionScope))
 			{
 				r.completions ~= makeSymbolCompletionInfo(sym, sym.kind);
 			}
 			if (sym.kind == CompletionKind.importSymbol && !sym.skipOver && sym.type !is null)
-				addSymToResponse(sym.type, r, p, circularGuard ~ (cast(size_t) s));
+				addSymToResponse(sym.type, r, p, completionScope, circularGuard ~ (cast(size_t) s));
 		}
 	}
 
@@ -527,7 +528,8 @@ void setCompletions(T)(ref AutocompleteResponse response,
 	{
 		auto currentSymbols = completionScope.getSymbolsInCursorScope(cursorPosition);
 		foreach (s; currentSymbols.filter!(a => isPublicCompletionKind(a.kind)
-				&& toUpper(a.name.data).startsWith(toUpper(partial))))
+				&& toUpper(a.name.data).startsWith(toUpper(partial))
+				&& mightBeRelevantInCompletionScope(a, completionScope)))
 		{
 			response.completions ~= makeSymbolCompletionInfo(s, s.kind);
 		}
@@ -545,7 +547,8 @@ void setCompletions(T)(ref AutocompleteResponse response,
 				&& a.kind != CompletionKind.dummy
 				&& a.symbolFile == "stdin"
 				&& (partial !is null && toUpper(a.name.data).startsWith(toUpper(partial))
-					|| partial is null)))
+					|| partial is null)
+				&& mightBeRelevantInCompletionScope(a, completionScope)))
 		{
 			response.completions ~= makeSymbolCompletionInfo(s, s.kind);
 		}
@@ -574,7 +577,7 @@ void setCompletions(T)(ref AutocompleteResponse response,
 			if (symbols.length == 0)
 				return;
 		}
-		addSymToResponse(symbols[0], response, partial);
+		addSymToResponse(symbols[0], response, partial, completionScope);
 		response.completionType = CompletionType.identifiers;
 	}
 	else if (completionType == CompletionType.calltips)
@@ -651,6 +654,21 @@ void setCompletions(T)(ref AutocompleteResponse response,
 	}
 }
 
+bool mightBeRelevantInCompletionScope(const DSymbol* symbol, Scope* scope_)
+{
+	import dparse.lexer : tok;
+
+	if (symbol.protection == tok!"private" &&
+		!scope_.hasSymbolRecursive(symbol))
+	{
+		// scope is the scope of the current file so if the symbol is not in there, it's not accessible
+		return false;
+	}
+
+	return true;
+}
+
+
 AutocompleteResponse.Completion generateStructConstructorCalltip(const DSymbol* symbol)
 in
 {

tests/tc_access_modifiers/bar.d

@@ -0,0 +1,14 @@
+module tc_access_modifiers.bar;
+
+class Helper
+{
+	private int mfieldPrivate;
+	protected int mfieldProtected;
+	package int mfieldPackage;
+	int mfieldPublic;
+
+	private void mfuncPrivate() {}
+	public void mfuncPublic() {}
+	private static void mfuncPrivateStatic() {}
+	public static void mfuncPublicStatic() {}
+}

tests/tc_access_modifiers/expected1.txt

@@ -0,0 +1,4 @@
+identifiers
+mfieldPackage	v
+mfieldProtected	v
+mfieldPublic	v

tests/tc_access_modifiers/expected1_1.txt

@@ -0,0 +1,3 @@
+identifiers
+mfuncPublic	f
+mfuncPublicStatic	f

tests/tc_access_modifiers/expected2.txt

@@ -0,0 +1,3 @@
+identifiers
+myprivate	v
+mypublic	v

tests/tc_access_modifiers/expected3.txt

@@ -0,0 +1,4 @@
+identifiers
+mfieldPackage	v
+mfieldProtected	v
+mfieldPublic	v

tests/tc_access_modifiers/file1.d

@@ -0,0 +1,16 @@
+import tc_access_modifiers.bar;
+
+struct X
+{
+	public int mypublic;
+	private int myprivate;
+}
+
+void main()
+{
+	Helper helper;
+	helper.mfield;
+	helper.mfunc;
+	X foo;
+	foo.myp;
+}

tests/tc_access_modifiers/file2.d

@@ -0,0 +1,9 @@
+import tc_access_modifiers.bar;
+
+class Subclass : Helper
+{
+	this()
+	{
+		this.mfield
+	}
+}

tests/tc_access_modifiers/run.sh

@@ -0,0 +1,26 @@
+set -e
+set -u
+
+rm -f actual1.txt actual2.txt actual3.txt actual0.txt
+
+../../bin/dcd-client $1 file1.d -c 137 | sed s\""$(dirname "$(pwd)")"\"\" > actual0.txt
+diff actual0.txt expected0.txt
+
+../../bin/dcd-client $1 -I bar.d
+
+../../bin/dcd-client $1 file1.d -c 137 | sed s\""$(dirname "$(pwd)")"\"\" > actual1.txt
+diff actual1.txt expected1.txt
+
+../../bin/dcd-client $1 file1.d -c 152 | sed s\""$(dirname "$(pwd)")"\"\" > actual1_1.txt
+diff actual1_1.txt expected1_1.txt
+
+../../bin/dcd-client $1 file1.d -c 170 | sed s\""$(dirname "$(pwd)")"\"\" > actual2.txt
+diff actual2.txt expected2.txt
+
+../../bin/dcd-client $1 file2.d -c 83 | sed s\""$(dirname "$(pwd)")"\"\" > actual3.txt
+diff actual3.txt expected3.txt
+
+../../bin/dcd-client $1 -R bar.d
+
+../../bin/dcd-client $1 file1.d -c 137 | sed s\""$(dirname "$(pwd)")"\"\" > actual0.txt
+diff actual0.txt expected0.txt