Fix #526, support int*[0].init

src/dparse/ast.d

@@ -2932,6 +2932,14 @@ final class PrimaryExpression : ExpressionNode
     /** */ Arguments arguments;
     /** */ InterpolatedString interpolatedString;
     mixin OpEquals;
+
+    IdType builtinType() inout @property @safe nothrow @nogc pure
+    {
+        if (type)
+            if (auto t2 = type.type2)
+                return t2.builtinType ? t2.builtinType : IdType.init;
+        return IdType.init;
+    }
 }
 
 ///
@@ -4141,6 +4149,30 @@ unittest // issue #398: Support extern(C++, <string expressions...>)
     checkText(ns[2], `"baz"`);
 }
 
+unittest // issue #526
+{
+    import dparse.formatter, dparse.lexer, dparse.parser, dparse.rollback_allocator;
+    string src = q{enum E : int*[0] { a = int*[0].init }};
+    final class Test : ASTVisitor
+    {
+    }
+    RollbackAllocator ra;
+    auto cf = LexerConfig("", StringBehavior.source);
+    auto ca = StringCache(16);
+    Module m = ParserConfig(getTokensForParser(src, cf, &ca), "", &ra).parseModule();
+    auto t = new Test;
+    t.visit(m);
+    assert(m.declarations.length == 1);
+    auto ed = m.declarations[0].enumDeclaration;
+    assert(ed);
+    auto type = ed.type;
+    auto app = appender!string();
+    auto formatter = new Formatter!(typeof(app))(app);
+    formatter.format(type);
+    assert(app[] == "int*[0]");
+    assert(ed.type.typeSuffixes.length == 2);
+}
+
 unittest // Differentiate between no and empty DDOC comments, e.g. for DDOC unittests
 {
     import dparse.lexer, dparse.parser, dparse.rollback_allocator;

src/dparse/parser.d

@@ -5848,9 +5848,9 @@ class Parser
      * $(GRAMMAR $(RULEDEF primaryExpression):
      *       $(RULE identifierOrTemplateInstance)
      *     | $(LITERAL '.') $(RULE identifierOrTemplateInstance)
-     *     | $(RULE typeConstructor) $(LITERAL '$(LPAREN)') $(RULE basicType) $(LITERAL '$(RPAREN)') $(LITERAL '.') $(LITERAL Identifier)
-     *     | $(RULE basicType) $(LITERAL '.') $(LITERAL Identifier)
-     *     | $(RULE basicType) $(RULE arguments)
+     *     | $(RULE typeConstructor) $(LITERAL '$(LPAREN)') $(RULE type) $(LITERAL '$(RPAREN)') $(LITERAL '.') $(LITERAL Identifier)
+     *     | $(RULE builtinType) $(RULE typeSuffix)* $(LITERAL '.') $(LITERAL Identifier)
+     *     | $(RULE builtinType) $(RULE typeSuffix)* $(RULE arguments)
      *     | $(RULE typeofExpression)
      *     | $(RULE typeidExpression)
      *     | $(RULE vector)
@@ -5923,18 +5923,19 @@ class Parser
                 break;
             }
         foreach (B; BasicTypes) { case B: }
-            node.basicType = advance();
+        {
+            node.type = parseType();
             if (currentIs(tok!"."))
             {
                 advance();
-                const t = expect(tok!"identifier");
-                if (t !is null)
-                    node.primary = *t;
+                if (const ident = expect(tok!"identifier"))
+                    node.primary = *ident;
             }
             else if (currentIs(tok!"("))
                 mixin(parseNodeQ!(`node.arguments`, `Arguments`));
             else goto default;
-            break;
+        }
+        break;
         case tok!"function":
         case tok!"delegate":
         case tok!"{":

test/pass_files/issue0526.d

@@ -0,0 +1 @@
+enum E : int*[0] { a = int*[0].init }