translate-c: support static incomplete array inside function

andrewrk · andrewrk · commit 7729f6cf4edd · 2017-11-29T21:50:38.000-05:00
diff --git a/src/translate_c.cpp b/src/translate_c.cpp
@@ -976,11 +976,23 @@ static AstNode *trans_type(Context *c, const Type *ty, const SourceLocation &sou
                 const AttributedType *attributed_ty = static_cast<const AttributedType *>(ty);
                 return trans_qual_type(c, attributed_ty->getEquivalentType(), source_loc);
             }
+        case Type::IncompleteArray:
+            {
+                const IncompleteArrayType *incomplete_array_ty = static_cast<const IncompleteArrayType *>(ty);
+                QualType child_qt = incomplete_array_ty->getElementType();
+                AstNode *child_type_node = trans_qual_type(c, child_qt, source_loc);
+                if (child_type_node == nullptr) {
+                    emit_warning(c, source_loc, "unresolved array element type");
+                    return nullptr;
+                }
+                AstNode *pointer_node = trans_create_node_addr_of(c, child_qt.isConstQualified(),
+                        child_qt.isVolatileQualified(), child_type_node);
+                return pointer_node;
+            }
         case Type::BlockPointer:
         case Type::LValueReference:
         case Type::RValueReference:
         case Type::MemberPointer:
-        case Type::IncompleteArray:
         case Type::VariableArray:
         case Type::DependentSizedArray:
         case Type::DependentSizedExtVector:
@@ -4301,7 +4313,7 @@ int parse_h_file(ImportTableEntry *import, ZigList<ErrorMsg *> *errors, const ch
             }
         }
 
-        return 0;
+        return ErrorUnexpected;
     }
 
     c->ctx = &ast_unit->getASTContext();
diff --git a/test/translate_c.zig b/test/translate_c.zig
@@ -1178,4 +1178,14 @@ pub fn addCases(cases: &tests.TranslateCContext) {
     ,
         \\pub var v0: ?&const u8 = c"0.0.0";
     );
+
+    cases.add("static incomplete array inside function",
+        \\void foo(void) {
+        \\    static const char v2[] = "2.2.2";
+        \\}
+    ,
+        \\pub fn foo() {
+        \\    const v2: &const u8 = c"2.2.2";
+        \\}
+    );
 }
