Fix: indentation for wrapping in struct initializer

src/dfmt/formatter.d

@@ -1515,7 +1515,7 @@ private:
     void newline()
     {
         import std.range : assumeSorted;
-        import std.algorithm : max;
+        import std.algorithm : max, canFind;
         import dfmt.editorconfig : OptionalBoolean;
 
         if (currentIs(tok!"comment") && index > 0 && current.line == tokenEndLine(tokens[index - 1]))
@@ -1558,6 +1558,12 @@ private:
                 immutable l = indents.indentToMostRecent(tok!"switch");
                 if (l != -1 && config.dfmt_align_switch_statements == OptionalBoolean.t)
                     indentLevel = l;
+                else if (astInformation.structInfoSortedByEndLocation
+                    .canFind!(st => st.startLocation < current.index && current.index < st.endLocation)) {
+                    immutable l2 = indents.indentToMostRecent(tok!"{");
+                    assert(l2 != -1);
+                    indentLevel = l2 + 1;
+                }
                 else if (config.dfmt_compact_labeled_statements == OptionalBoolean.f
                         || !isBlockHeader(2) || peek2Is(tok!"if"))
                 {

tests/allman/issue0256.d.ref

@@ -1,6 +1,8 @@
-void foo()
+void main()
 {
-    S s1 = {a: 3};
-    S s2 = {a: 3, b: "test string"};
-    S s3 = {a: 3, b: "test string", c: {x: 3.14, y: 3 + 4}};
+    S s = {
+        someStructMember1: 2, someStructMember2: 42, someStructMember3: null, // foobar
+        someOtherMember1: objA, someOtherMember2: objB, someOtherMember3: 0,
+        somethingMore: null, someFlagInThisStruct: -1
+    };
 }

tests/issue0256.d

@@ -1,6 +1,12 @@
-void foo()
-{
-    S s1 = { a: 3 };
-    S s2 = { a: 3, b:"test string" };
-    S s3 = { a: 3, b:"test string", c: {x: 3.14, y: 3 + 4} };
+void main() {
+    S s = {
+        someStructMember1: 2,
+        someStructMember2: 42,
+        someStructMember3: null, // foobar
+        someOtherMember1: objA,
+        someOtherMember2: objB,
+        someOtherMember3: 0,
+        somethingMore: null,
+        someFlagInThisStruct: -1
+    };
 }

tests/otbs/issue0256.d.ref

@@ -1,5 +1,7 @@
-void foo() {
-    S s1 = {a: 3};
-    S s2 = {a: 3, b: "test string"};
-    S s3 = {a: 3, b: "test string", c: {x: 3.14, y: 3 + 4}};
+void main() {
+    S s = {
+        someStructMember1: 2, someStructMember2: 42, someStructMember3: null, // foobar
+        someOtherMember1: objA, someOtherMember2: objB, someOtherMember3: 0,
+        somethingMore: null, someFlagInThisStruct: -1
+    };
 }