Changeset cad355a for src/SymTab

Timestamp:

Jul 11, 2016, 5:20:03 PM (9 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, ctor, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, memory, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

919d1ba

Parents:

0b4d93ab

Message:

generated field constructors for structs with const members no longer cause an error, other generated constructors and destructors construct and destruct const members

Location:

src/SymTab

Files:

• Autogen.cc (modified) (2 diffs)
• Autogen.h (modified) (1 diff)

src/SymTab/Autogen.cc

@@ -84 +84 @@
                 }
 
-                *out++ = new ExprStmt( noLabels, fExpr );
+                Statement * callStmt = new ExprStmt( noLabels, fExpr );
+                if ( (fname == "?{}" || fname == "^?{}") && ( !obj || ( obj && obj->get_bitfieldWidth() == NULL ) ) ) {
+                        // implicitly generated ctor/dtor calls should be wrapped
+                        // so that later passes are aware they were generated.
+                        // xxx - don't mark as an implicit ctor/dtor if obj is a bitfield,
+                        // because this causes the address to be taken at codegen, which is illegal in C.
+                        callStmt = new ImplicitCtorDtorStmt( callStmt );
+                }
+                *out++ = callStmt;
         }
 
@@ -244 +252 @@
                                 }
 
-                                if ( type->get_qualifiers().isConst ) {
-                                        // don't assign const members
+                                if ( type->get_qualifiers().isConst && func->get_name() == "?=?" ) {
+                                        // don't assign const members, but do construct/destruct
                                         continue;
                                 }

src/SymTab/Autogen.h

@@ -91 +91 @@
     block->get_kids().push_back( new DeclStmt( noLabels, index ) );
     block->get_kids().push_back( new ForStmt( noLabels, initList, cond, inc, new ExprStmt( noLabels, fExpr ) ) );
-    *out++ = block;
+
+    Statement * stmt = block;
+    if ( fname == "?{}" || fname == "^?{}" ) {
+      // implicitly generated ctor/dtor calls should be wrapped
+      // so that later passes are aware they were generated
+      stmt = new ImplicitCtorDtorStmt( stmt );
+    }
+    *out++ = stmt;
   }
 } // namespace SymTab