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Re: java compile failure



aking@dreammechanics.com writes:

> I've been able to shrink it down to the minimum code required to
> generate the compile error:

This was helpful. I added your testcase to our testsuite.

> I'm using the cvs version from Sunday night, with the
> "gcc-3_0-branch' tag.

This probably will never be fixed in 3.0.

I'm about to finish testing what follow, and I'll check it into the
trunk.

./A

libjava/testsuite:

2001-08-12  Alexandre Petit-Bianco  <apbianco@redhat.com>
	
	* libjava.lang/Matrix4f.java: New file.
	* libjava.lang/Matrix4f.out: New file.

Index: libjava.lang/Matrix4f.java
===================================================================
RCS file: Matrix4f.java
diff -N Matrix4f.java
--- /dev/null	Tue May  5 13:32:27 1998
+++ Matrix4f.java	Sun Aug 12 17:22:48 2001
@@ -0,0 +1,129 @@
+/*
+* Instance initializers are now turned into a new function instinit$ and called
+* from the ctor. SAVE_EXPRs can't be easily shared.
+*
+* Contributed by Adam King <aking@dreammechanics.com>
+*
+*/
+
+public class Matrix4f
+{
+        public float m00;
+        public float m01;
+        public float m02;
+        public float m03;
+        public float m10;
+        public float m11;
+        public float m12;
+        public float m13;
+        public float m20;
+        public float m21;
+        public float m22;
+        public float m23;
+        public float m30;
+        public float m31;
+        public float m32;
+        public float m33;
+
+        private float scale;
+
+        static boolean initialized;
+        static Matrix4f xmat;
+        static Matrix4f ymat;
+        static Matrix4f zmat;
+        static Matrix4f tempMatrix1;
+        static Matrix4f tempMatrix2;
+
+        {
+                if( !initialized )
+                {
+		    System.out.println ("not initialized");
+                        initialized = true;
+                        xmat = new Matrix4f();
+                        ymat = new Matrix4f();
+                        zmat = new Matrix4f();
+                        tempMatrix1 = new Matrix4f();
+                        tempMatrix2 = new Matrix4f();
+                }
+		else { System.out.println ("initialized"); }
+		    
+        }
+
+        public Matrix4f()
+        {
+                m00 = 1;
+                m01 = 0;
+                m02 = 0;
+                m03 = 0;
+                m10 = 0;
+                m11 = 1;
+                m12 = 0;
+                m13 = 0;
+                m20 = 0;
+                m21 = 0;
+                m22 = 1;
+                m23 = 0;
+                m30 = 0;
+                m31 = 0;
+                m32 = 0;
+                m33 = 1;
+        }
+
+        public Matrix4f( float v[] )
+        {
+                m00 = v[0];
+                m01 = v[1];
+                m02 = v[2];
+                m03 = v[3];
+                m10 = v[4];
+                m11 = v[5];
+                m12 = v[6];
+                m13 = v[7];
+                m20 = v[8];
+                m21 = v[9];
+                m22 = v[10];
+                m23 = v[11];
+                m30 = v[12];
+                m31 = v[13];
+                m32 = v[14];
+                m33 = v[15];
+        }
+
+        public Matrix4f( float m00, float m01, float m02, float m03,
+                float m10, float m11, float m12, float m13, 
+                float m20, float m21, float m22, float m23, 
+                float m30, float m31, float m32, float m33 )
+        {
+                this.m00 = m00;
+                this.m01 = m01;
+                this.m02 = m02;
+                this.m03 = m03;
+                this.m10 = m10;
+                this.m11 = m11;
+                this.m12 = m12;
+                this.m13 = m13;
+                this.m20 = m20;
+                this.m21 = m21;
+                this.m22 = m22;
+                this.m23 = m23;
+                this.m30 = m30;
+                this.m31 = m31;
+                this.m32 = m32;
+                this.m33 = m33;
+        }
+
+        public static void main( String[] args )
+        {
+	    System.out.println( "Test main..." );
+	    new Matrix4f ();
+	    new Matrix4f (0,0,0,0,
+			  0,0,0,0,
+			  0,0,0,0,
+			  0,0,0,0);
+	    new Matrix4f (new float [] {0,0,0,0,
+					0,0,0,0,
+					0,0,0,0,
+					0,0,0,0});
+        }
+}
+
Index: libjava.lang/Matrix4f.out
===================================================================
RCS file: Matrix4f.out
diff -N Matrix4f.out
--- /dev/null	Tue May  5 13:32:27 1998
+++ Matrix4f.out	Sun Aug 12 17:22:48 2001
@@ -0,0 +1,9 @@
+Test main...
+not initialized
+initialized
+initialized
+initialized
+initialized
+initialized
+initialized
+initialized


gcc/java:

2001-08-12  Alexandre Petit-Bianco  <apbianco@redhat.com>

	* decl.c (init_decl_processing): exception_type_node,
	class_not_found_type_node, and no_class_def_found_type_node
	initialized. predef_filenames augmented accordingly.
	instinit_identifier_node initialized.
	* java-tree.def (INSTANCE_INITIALIZERS_EXPR): Entry removed.
	* java-tree.h (enum java_tree_index): New entries
	JTI_EXCEPTION_TYPE_NODE, JTI_CLASS_NOT_FOUND_TYPE_NODE,
	JTI_NO_CLASS_DEF_FOUND_TYPE_NODE, JTI_INSTINIT_IDENTIFIER_NODE.
	(exception_type_node): New macro.
	(class_not_found_type_node): Likewise.
	(no_class_def_found_type_node): Likewise.
	(instinit_identifier_node): Likewise.
	(PREDEF_FILENAMES_SIZE): Adjusted.
	(TYPE_HAS_FINAL_VARIABLE): Fixed typo.
	(struct lang_type): Fixed typo in bitfield name.
	(DECL_INSTINIT_P): New macro.
	(ID_INSTINIT_P): Likewise.
	* jcf-write.h (generate_classfile): instinit$ bears the Synthetic
	attribute.
	* parse.y (encapsulate_with_try_catch): New function.
	(generate_instinit): Likewise.
	(build_instinit_invocation): Likewise.
	(add_instance_initializer): Deleted.
	(build_instance_initializer): Likewise.
	(in_instance_initializer): Likewise.
	(check_method_redefinition): instinit$ not to be verified.
	(java_complete_expand_methods): New local instinit. Generate instinit$
	(build_dot_class_method): Eliminated unnecessary locals. Use
	encapsulate_with_try_catch, removed unnecessary code.
	(fix_constructors): New local iii. Use build_instinit_invocation.
	(patch_method_invocation): Added comment.
	(maybe_use_access_method): Don't consider instinit$.
	(find_applicable_accessible_methods_list): Shorten the search for
	instinit$ too.
	(java_complete_lhs): case INSTANCE_INITIALIZERS_EXPR removed.
	(patch_return): Use DECL_INSTINIT_P instead of in_instance_initializer.
	(patch_throw_statement): Likewise. Fixed typo.
	
Index: decl.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/decl.c,v
retrieving revision 1.105
diff -u -p -r1.105 decl.c
--- decl.c	2001/08/09 04:19:11	1.105
+++ decl.c	2001/08/13 00:23:40
@@ -541,10 +541,16 @@ init_decl_processing ()
   string_ptr_type_node = promote_type (string_type_node);
   class_type_node = lookup_class (get_identifier ("java.lang.Class"));
   throwable_type_node = lookup_class (get_identifier ("java.lang.Throwable"));
+  exception_type_node = lookup_class (get_identifier ("java.lang.Exception"));
   runtime_exception_type_node = 
     lookup_class (get_identifier ("java.lang.RuntimeException"));
   error_exception_type_node = 
     lookup_class (get_identifier ("java.lang.Error"));
+  class_not_found_type_node = 
+    lookup_class (get_identifier ("java.lang.ClassNotFoundException"));
+  no_class_def_found_type_node = 
+    lookup_class (get_identifier ("java.lang.NoClassDefFoundError"));
+
   rawdata_ptr_type_node
     = promote_type (lookup_class (get_identifier ("gnu.gcj.RawData")));
 
@@ -557,6 +563,9 @@ init_decl_processing ()
   predef_filenames [4] = get_identifier ("java/lang/String.java");
   predef_filenames [5] = get_identifier ("java/lang/Throwable.java");
   predef_filenames [6] = get_identifier ("gnu/gcj/RawData.java");
+  predef_filenames [7] = get_identifier ("java/lang/Exception");
+  predef_filenames [8] = get_identifier ("java/lang/ClassNotFoundException");
+  predef_filenames [9] = get_identifier ("java/lang/NoClassDefFoundError");
 
   methodtable_type = make_node (RECORD_TYPE);
   layout_type (methodtable_type);
@@ -572,6 +581,7 @@ init_decl_processing ()
   /* The new `finit$' special method identifier. This one is now
      generated in place of `$finit$'.  */
   finit_identifier_node = get_identifier ("finit$");
+  instinit_identifier_node = get_identifier ("instinit$");
   void_signature_node = get_identifier ("()V");
   length_identifier_node = get_identifier ("length");
   this_identifier_node = get_identifier ("this");
Index: expr.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/expr.c,v
retrieving revision 1.114
diff -u -p -r1.114 expr.c
--- expr.c	2001/08/09 04:19:12	1.114
+++ expr.c	2001/08/13 00:23:42
@@ -2505,8 +2505,8 @@ java_lang_expand_expr (exp, target, tmod
 	    }
 	  expand_expr (body, const0_rtx, VOIDmode, 0);
 	  emit_queue ();
-	  poplevel (1, 1, 0);
 	  expand_end_bindings (getdecls (), 1, 0);
+	  poplevel (1, 1, 0);
 	  return const0_rtx;
 	}
       return const0_rtx;
Index: java-tree.def
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/java-tree.def,v
retrieving revision 1.16
diff -u -p -r1.16 java-tree.def
--- java-tree.def	2001/05/13 04:59:32	1.16
+++ java-tree.def	2001/08/13 00:23:42
@@ -88,12 +88,6 @@ DEFTREECODE (NEW_ARRAY_INIT, "new_array_
    reference from.  */
 DEFTREECODE (CLASS_LITERAL, "class_literal", '1', 1)
 
-/* Instance initializer.
-   Operand 0 contains the intance initializer statement. This tree node
-   is used for context detection, so that special rules can be
-   enforced. */
-DEFTREECODE (INSTANCE_INITIALIZERS_EXPR, "instance_initializers_expr", '1', 1)
-
 /* The Java object within the exception object from the runtime.  */
 DEFTREECODE (JAVA_EXC_OBJ_EXPR, "java_exc_obj_expr", 'e', 0)
 
Index: java-tree.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/java-tree.h,v
retrieving revision 1.118
diff -u -p -r1.118 java-tree.h
--- java-tree.h	2001/08/09 04:19:12	1.118
+++ java-tree.h	2001/08/13 00:23:44
@@ -251,9 +251,12 @@ enum java_tree_index
   JTI_STRING_TYPE_NODE,
   JTI_STRING_PTR_TYPE_NODE,
   JTI_THROWABLE_TYPE_NODE,
+  JTI_EXCEPTION_TYPE_NODE,
   JTI_RUNTIME_EXCEPTION_TYPE_NODE,
   JTI_ERROR_EXCEPTION_TYPE_NODE,
   JTI_RAWDATA_PTR_TYPE_NODE,
+  JTI_CLASS_NOT_FOUND_TYPE_NODE,
+  JTI_NO_CLASS_DEF_FOUND_TYPE_NODE,
 
   JTI_BYTE_ARRAY_TYPE_NODE,
   JTI_SHORT_ARRAY_TYPE_NODE,
@@ -278,6 +281,7 @@ enum java_tree_index
   JTI_INIT_IDENTIFIER_NODE,      
   JTI_CLINIT_IDENTIFIER_NODE,      
   JTI_FINIT_IDENTIFIER_NODE,      
+  JTI_INSTINIT_IDENTIFIER_NODE,
   JTI_FINIT_LEG_IDENTIFIER_NODE,  
   JTI_VOID_SIGNATURE_NODE,       
   JTI_LENGTH_IDENTIFIER_NODE,  
@@ -408,12 +412,18 @@ extern tree java_global_trees[JTI_MAX];
   java_global_trees[JTI_STRING_PTR_TYPE_NODE]
 #define throwable_type_node \
   java_global_trees[JTI_THROWABLE_TYPE_NODE]
+#define exception_type_node \
+  java_global_trees[JTI_EXCEPTION_TYPE_NODE]
 #define runtime_exception_type_node \
   java_global_trees[JTI_RUNTIME_EXCEPTION_TYPE_NODE]
 #define error_exception_type_node \
   java_global_trees[JTI_ERROR_EXCEPTION_TYPE_NODE]
 #define rawdata_ptr_type_node \
   java_global_trees[JTI_RAWDATA_PTR_TYPE_NODE]
+#define class_not_found_type_node \
+  java_global_trees[JTI_CLASS_NOT_FOUND_TYPE_NODE]
+#define no_class_def_found_type_node \
+  java_global_trees[JTI_NO_CLASS_DEF_FOUND_TYPE_NODE]
 
 #define byte_array_type_node \
   java_global_trees[JTI_BYTE_ARRAY_TYPE_NODE]
@@ -463,6 +473,8 @@ extern tree java_global_trees[JTI_MAX];
   java_global_trees[JTI_FINIT_IDENTIFIER_NODE]      /* "finit$" */
 #define finit_leg_identifier_node \
   java_global_trees[JTI_FINIT_LEG_IDENTIFIER_NODE]  /* "$finit$" */
+#define instinit_identifier_node \
+  java_global_trees[JTI_INSTINIT_IDENTIFIER_NODE]  /* "instinit$" */
 #define void_signature_node \
   java_global_trees[JTI_VOID_SIGNATURE_NODE]       /* "()V" */
 #define length_identifier_node \
@@ -598,7 +610,7 @@ extern tree java_global_trees[JTI_MAX];
 #define nativecode_ptr_array_type_node \
   java_global_trees[JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE]
 
-#define PREDEF_FILENAMES_SIZE 7
+#define PREDEF_FILENAMES_SIZE 10
 extern tree predef_filenames[PREDEF_FILENAMES_SIZE];
 
 #define nativecode_ptr_type_node ptr_type_node
@@ -937,7 +949,7 @@ struct lang_decl_var
 #define TYPE_PACKAGE_LIST(T)     (TYPE_LANG_SPECIFIC(T)->package_list)
 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->pic)
 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->poic)
-#define TYPE_HAS_FINAL_VARIABLE(T) (TYPE_LANG_SPECIFIC(T)->afv)
+#define TYPE_HAS_FINAL_VARIABLE(T) (TYPE_LANG_SPECIFIC(T)->hfv)
 
 struct lang_type
 {
@@ -955,7 +967,7 @@ struct lang_type
   tree package_list;		/* List of package names, progressive */
   unsigned pic:1;		/* Private Inner Class. */
   unsigned poic:1;		/* Protected Inner Class. */
-  unsigned afv:1;		/* Has final variables */
+  unsigned hfv:1;		/* Has final variables */
 };
 
 #ifdef JAVA_USE_HANDLES
@@ -1197,6 +1209,7 @@ struct rtx_def * java_lang_expand_expr P
 #define DECL_INIT_P(DECL)   (ID_INIT_P (DECL_NAME (DECL)))
 #define DECL_FINIT_P(DECL)  (ID_FINIT_P (DECL_NAME (DECL)))
 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
+#define DECL_INSTINIT_P(DECL) (ID_INSTINIT_P (DECL_NAME (DECL)))
 
 /* Predicates on method identifiers. Kept close to other macros using
    them  */
@@ -1209,6 +1222,7 @@ struct rtx_def * java_lang_expand_expr P
 			 || (ID) == finit_leg_identifier_node)
 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
 #define ID_CLASSDOLLAR_P(ID) ((ID) == classdollar_identifier_node)
+#define ID_INSTINIT_P(ID) ((ID) == instinit_identifier_node)
 
 /* Access flags etc for a variable/field (a FIELD_DECL): */
 
Index: jcf-write.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/jcf-write.c,v
retrieving revision 1.82
diff -u -p -r1.82 jcf-write.c
--- jcf-write.c	2001/08/01 02:28:42	1.82
+++ jcf-write.c	2001/08/13 00:23:45
@@ -2935,7 +2935,8 @@ generate_classfile (clas, state)
       i = (body != NULL_TREE) + (DECL_FUNCTION_THROWS (part) != NULL_TREE);
 
       /* Make room for the Synthetic attribute (of zero length.)  */
-      if (DECL_FINIT_P (part) 
+      if (DECL_FINIT_P (part)
+	  || DECL_INSTINIT_P (part)
 	  || OUTER_FIELD_ACCESS_IDENTIFIER_P (DECL_NAME (part))
 	  || TYPE_DOT_CLASS (clas) == part)
 	{
Index: parse.y
===================================================================
RCS file: /cvs/gcc/gcc/gcc/java/parse.y,v
retrieving revision 1.299
diff -u -p -r1.299 parse.y
--- parse.y	2001/08/09 04:19:12	1.299
+++ parse.y	2001/08/13 00:23:54
@@ -221,6 +221,7 @@ static tree string_constant_concatenatio
 static tree build_string_concatenation PARAMS ((tree, tree));
 static tree patch_string_cst PARAMS ((tree));
 static tree patch_string PARAMS ((tree));
+static tree encapsulate_with_try_catch PARAMS ((int, tree, tree, tree));
 static tree build_try_statement PARAMS ((int, tree, tree));
 static tree build_try_finally_statement PARAMS ((int, tree, tree));
 static tree patch_try_statement PARAMS ((tree));
@@ -239,8 +240,8 @@ static tree build_this_super_qualified_i
 static const char *get_printable_method_name PARAMS ((tree));
 static tree patch_conditional_expr PARAMS ((tree, tree, tree));
 static tree generate_finit PARAMS ((tree));
-static void add_instance_initializer PARAMS ((tree));
-static tree build_instance_initializer PARAMS ((tree));
+static tree generate_instinit PARAMS ((tree));
+static tree build_instinit_invocation PARAMS ((tree));
 static void fix_constructors PARAMS ((tree));
 static tree build_alias_initializer_parameter_list PARAMS ((int, tree,
 							    tree, int *));
@@ -349,9 +350,6 @@ int do_not_fold;
 /* Cyclic inheritance report, as it can be set by layout_class */
 const char *cyclic_inheritance_report;
  
-/* Tell when we're within an instance initializer */
-static int in_instance_initializer;
-
 /* The current parser context */
 struct parser_ctxt *ctxp;
 
@@ -4363,29 +4361,97 @@ generate_finit (class_type)
   return mdecl;
 }
 
+/* Generate a function to run the instance initialization code. The
+   private method is called `instinit$'. Unless we're dealing with an
+   anonymous class, we determine whether all ctors of CLASS_TYPE
+   declare a checked exception in their `throws' clause in order to
+   see whether it's necessary to encapsulate the instance initializer
+   statements in a try/catch/rethrow sequence.  */
+
 static tree
-build_instance_initializer (mdecl)
-     tree mdecl;
+generate_instinit (class_type)
+     tree class_type;
 {
-  tree compound = NULL_TREE;
-  tree stmt_list = TYPE_II_STMT_LIST (DECL_CONTEXT (mdecl));
   tree current;
+  tree compound = NULL_TREE;
+  tree list = TYPE_II_STMT_LIST (class_type);
+  tree parms = tree_cons (this_identifier_node,
+			  build_pointer_type (class_type), end_params_node);
+  tree mdecl = create_artificial_method (class_type, ACC_PRIVATE,
+					 void_type_node,
+					 instinit_identifier_node, parms);
+  bool use_try_catch = true;
+
+  layout_class_method (class_type, CLASSTYPE_SUPER (class_type),
+		       mdecl, NULL_TREE);
+
+  /* We need to encapsulate the block by a try/catch statement to
+     rethrow exceptions that might occur in the instance initializer.
+     We do that only if all ctors of CLASS_TYPE are set to catch a
+     checked exception. This doesn't apply to anonymous classes (since
+     they don't have declared ctors.) */
+  if (ANONYMOUS_CLASS_P (class_type))
+    use_try_catch = false;
+  else 
+    {
+      /* We want to verify that all ctors throw a unchecked exception
+	 so that we can place the block in a try/catch statement. */
+      for (current = TYPE_METHODS (current_class); current && use_try_catch;
+	   current = TREE_CHAIN (current))
+	{
+	  bool ctu = false;	/* Ctor Throws Unchecked */
+	  if (DECL_CONSTRUCTOR_P (current))
+	    {
+	      tree throws;
+	      for (throws = DECL_FUNCTION_THROWS (current); throws && !ctu;
+		   throws = TREE_CHAIN (throws))
+		if (inherits_from_p (TREE_VALUE (throws), exception_type_node))
+		  ctu = true;
+	    }
+	  /* We find a ctor that is unfit, stop now and avoid try/catch
+             encapsulation. */
+	  if (!ctu && DECL_CONSTRUCTOR_P (current))
+	    use_try_catch = false;
+	}
+    }
 
-  for (current = stmt_list; current; current = TREE_CHAIN (current))
+  /* Gather all the statements in a compound and encapsulate in a try/catch
+     sequence if necessary. */
+  for (current = list; current; current = TREE_CHAIN (current))
     compound = add_stmt_to_compound (compound, NULL_TREE, current);
 
-  return compound;
+  if (use_try_catch)
+    {
+      compound = encapsulate_with_try_catch (0, exception_type_node, compound, 
+					     build1 (THROW_EXPR, NULL_TREE,
+						     build_wfl_node (wpv_id)));
+      DECL_FUNCTION_THROWS (mdecl) = build_tree_list (NULL_TREE,
+						      exception_type_node);
+    }
+
+  start_artificial_method_body (mdecl);
+  java_method_add_stmt (mdecl, compound);
+  end_artificial_method_body (mdecl);
+
+  return mdecl;
 }
 
-static void
-add_instance_initializer (mdecl)
-     tree mdecl;
+/* FIXME */
+static tree
+build_instinit_invocation (class_type)
+     tree class_type;
 {
-  tree compound = build_instance_initializer (mdecl);
+  tree to_return = NULL_TREE;
 
-  if (compound)
-    java_method_add_stmt (mdecl, build1 (INSTANCE_INITIALIZERS_EXPR,
-					 NULL_TREE, compound));
+  if (TYPE_II_STMT_LIST (class_type))
+    {
+      tree parm = build_tree_list (NULL_TREE,
+				   build_wfl_node (this_identifier_node));
+      to_return =
+	build_method_invocation (build_wfl_node (instinit_identifier_node),
+				 parm);
+    }
+  return to_return;
 }
 
 /* Shared accros method_declarator and method_header to remember the
@@ -5920,8 +5986,9 @@ check_method_redefinition (class, method
 {
   tree redef, sig;
 
-  /* There's no need to verify <clinit> and finit$ */
-  if (DECL_CLINIT_P (method) || DECL_FINIT_P (method))
+  /* There's no need to verify <clinit> and finit$ and instinit$ */
+  if (DECL_CLINIT_P (method)
+      || DECL_FINIT_P (method) || DECL_INSTINIT_P (method))
     return 0;
 
   sig = TYPE_ARGUMENT_SIGNATURE (TREE_TYPE (method));
@@ -7460,7 +7527,7 @@ static void
 java_complete_expand_methods (class_decl)
      tree class_decl;
 {
-  tree clinit, finit, decl, first_decl;
+  tree clinit, finit, instinit, decl, first_decl;
 
   current_class = TREE_TYPE (class_decl);
 
@@ -7482,7 +7549,7 @@ java_complete_expand_methods (class_decl
   first_decl = TYPE_METHODS (current_class);
   clinit = maybe_generate_pre_expand_clinit (current_class);
 
-  /* Then generate finit$ (if we need to) because constructor will
+  /* Then generate finit$ (if we need to) because constructors will
    try to use it.*/
   if (TYPE_FINIT_STMT_LIST (current_class))
     {
@@ -7490,6 +7557,14 @@ java_complete_expand_methods (class_decl
       java_complete_expand_method (finit);
     }
 
+  /* Then generate instinit$ (if we need to) because constructors will
+     try to use it. */
+  if (TYPE_II_STMT_LIST (current_class))
+    {
+      instinit = generate_instinit (current_class);
+      java_complete_expand_method (instinit);
+    }
+
   /* Now do the constructors */
   for (decl = first_decl ; !java_error_count && decl; decl = TREE_CHAIN (decl))
     {
@@ -8498,9 +8573,7 @@ build_dot_class_method (class)
 #define BWF(S) build_wfl_node (get_identifier ((S)))
 #define MQN(X,Y) make_qualified_name ((X), (Y), 0)
   tree args, tmp, saved_current_function_decl, mdecl;
-  tree stmt, throw_stmt, catch, catch_block, try_block;
-  tree catch_clause_param;
-  tree class_not_found_exception, no_class_def_found_error;
+  tree stmt, throw_stmt;
 
   static tree get_message_wfl, type_parm_wfl;
 
@@ -8520,33 +8593,24 @@ build_dot_class_method (class)
   /* Build the qualified name java.lang.Class.forName */
   tmp = MQN (MQN (MQN (BWF ("java"), 
 		       BWF ("lang")), BWF ("Class")), BWF ("forName"));
-
-  /* For things we have to catch and throw */
-  class_not_found_exception = 
-    lookup_class (get_identifier ("java.lang.ClassNotFoundException"));
-  no_class_def_found_error = 
-    lookup_class (get_identifier ("java.lang.NoClassDefFoundError"));
-  load_class (class_not_found_exception, 1);
-  load_class (no_class_def_found_error, 1);
-
+  load_class (class_not_found_type_node, 1);
+  load_class (no_class_def_found_type_node, 1);
+  
   /* Create the "class$" function */
   mdecl = create_artificial_method (class, ACC_STATIC, 
 				    build_pointer_type (class_type_node),
 				    classdollar_identifier_node, args);
-  DECL_FUNCTION_THROWS (mdecl) = build_tree_list (NULL_TREE,
-						  no_class_def_found_error);
-  
+  DECL_FUNCTION_THROWS (mdecl) = 
+    build_tree_list (NULL_TREE, no_class_def_found_type_node);
+
   /* We start by building the try block. We need to build:
        return (java.lang.Class.forName (type)); */
   stmt = build_method_invocation (tmp, 
 				  build_tree_list (NULL_TREE, type_parm_wfl));
   stmt = build_return (0, stmt);
-  /* Put it in a block. That's the try block */
-  try_block = build_expr_block (stmt, NULL_TREE);
 
   /* Now onto the catch block. We start by building the expression
-     throwing a new exception: 
-       throw new NoClassDefFoundError (_.getMessage); */
+     throwing a new exception: throw new NoClassDefFoundError (_.getMessage) */
   throw_stmt = make_qualified_name (build_wfl_node (wpv_id), 
 				    get_message_wfl, 0);
   throw_stmt = build_method_invocation (throw_stmt, NULL_TREE);
@@ -8559,27 +8623,9 @@ build_dot_class_method (class)
   /* Build the throw, (it's too early to use BUILD_THROW) */
   throw_stmt = build1 (THROW_EXPR, NULL_TREE, throw_stmt);
 
-  /* Build the catch block to encapsulate all this. We begin by
-     building an decl for the catch clause parameter and link it to
-     newly created block, the catch block. */
-  catch_clause_param = 
-    build_decl (VAR_DECL, wpv_id, 
-		build_pointer_type (class_not_found_exception));
-  catch_block = build_expr_block (NULL_TREE, catch_clause_param);
-  
-  /* We initialize the variable with the exception handler. */
-  catch = build (MODIFY_EXPR, NULL_TREE, catch_clause_param,
-		 build (JAVA_EXC_OBJ_EXPR, ptr_type_node));
-  add_stmt_to_block (catch_block, NULL_TREE, catch);
-
-  /* We add the statement throwing the new exception */
-  add_stmt_to_block (catch_block, NULL_TREE, throw_stmt);
-
-  /* Build a catch expression for all this */
-  catch_block = build1 (CATCH_EXPR, NULL_TREE, catch_block);
-
-  /* Build the try/catch sequence */
-  stmt = build_try_statement (0, try_block, catch_block);
+  /* Encapsulate STMT in a try block. The catch clause executes THROW_STMT */
+  stmt = encapsulate_with_try_catch (0, class_not_found_type_node,
+				     stmt, throw_stmt);
 
   fix_method_argument_names (args, mdecl);
   layout_class_method (class, NULL_TREE, mdecl, NULL_TREE);
@@ -8620,6 +8666,7 @@ static void
 fix_constructors (mdecl)
      tree mdecl;
 {
+  tree iii;			/* Instance Initializer Invocation */
   tree body = DECL_FUNCTION_BODY (mdecl);
   tree thisn_assign, compound = NULL_TREE;
   tree class_type = DECL_CONTEXT (mdecl);
@@ -8661,9 +8708,9 @@ fix_constructors (mdecl)
 	 of that. */
       java_method_add_stmt (mdecl, build_super_invocation (mdecl));
 
-      /* Insert the instance initializer block right here, after the
-         super invocation. */
-      add_instance_initializer (mdecl);
+      /* FIXME */
+      if ((iii = build_instinit_invocation (class_type)))
+	java_method_add_stmt (mdecl, iii);
 
       end_artificial_method_body (mdecl);
     }
@@ -8674,7 +8721,6 @@ fix_constructors (mdecl)
       int invokes_this = 0;
       tree found_call = NULL_TREE;
       tree main_block = BLOCK_EXPR_BODY (body);
-      tree ii;			/* Instance Initializer */
       
       while (body)
 	switch (TREE_CODE (body))
@@ -8717,8 +8763,8 @@ fix_constructors (mdecl)
 	}
       
       /* Insert the instance initializer block right after. */
-      if (!invokes_this && (ii = build_instance_initializer (mdecl)))
-	compound = add_stmt_to_compound (compound, NULL_TREE, ii);
+      if (!invokes_this && (iii = build_instinit_invocation (class_type)))
+	compound = add_stmt_to_compound (compound, NULL_TREE, iii);
 
       /* Fix the constructor main block if we're adding extra stmts */
       if (compound)
@@ -10285,6 +10331,8 @@ patch_method_invocation (patch, primary,
   if (ret_decl)
     *ret_decl = list;
   patch = patch_invoke (patch, list, args);
+
+  /* Now is a good time to insert the call to finit$ */
   if (is_super_init && CLASS_HAS_FINIT_P (current_class))
     {
       tree finit_parms, finit_call;
@@ -10346,7 +10394,8 @@ maybe_use_access_method (is_super_init, 
   if (is_super_init 
       || DECL_CONTEXT (md) == current_class
       || !PURE_INNER_CLASS_TYPE_P (current_class) 
-      || DECL_FINIT_P (md))
+      || DECL_FINIT_P (md)
+      || DECL_INSTINIT_P (md))
     return 0;
   
   /* If we're calling a method found in an enclosing class, generate
@@ -10717,10 +10766,10 @@ find_applicable_accessible_methods_list 
       search_applicable_methods_list (lc, TYPE_METHODS (class), 
 				      name, arglist, &list, &all_list);
 
-      /* When looking finit$ or class$, we turn LC to 1 so that we
-	 only search in class. Note that we should have found
+      /* When looking finit$, class$ or instinit$, we turn LC to 1 so
+	 that we only search in class. Note that we should have found
 	 something at this point. */
-      if (ID_FINIT_P (name) || ID_CLASSDOLLAR_P (name))
+      if (ID_FINIT_P (name) || ID_CLASSDOLLAR_P (name) || ID_INSTINIT_P (name))
 	{
 	  lc = 1;
 	  if (!list)
@@ -12001,16 +12050,6 @@ java_complete_lhs (node)
 	return error_mark_node;
       break;
 
-    case INSTANCE_INITIALIZERS_EXPR:
-      in_instance_initializer++;
-      node = java_complete_tree (TREE_OPERAND (node, 0));
-      in_instance_initializer--;
-      if (node != error_mark_node)
-	TREE_TYPE (node) = void_type_node;
-      else
-	return error_mark_node;
-      break;
-
     default:
       CAN_COMPLETE_NORMALLY (node) = 1;
       /* Ok: may be we have a STRING_CST or a crafted `StringBuffer'
@@ -14709,12 +14748,12 @@ patch_return (node)
   if (!return_exp && (mtype != void_type_node && !DECL_CONSTRUCTOR_P (meth)))
     error_found = 2;
   
-  if (in_instance_initializer)
+  if (DECL_INSTINIT_P (current_function_decl))
     error_found = 1;
 
   if (error_found)
     {
-      if (in_instance_initializer)
+      if (DECL_INSTINIT_P (current_function_decl))
 	parse_error_context (wfl_operator,
 			     "`return' inside instance initializer");
 	
@@ -15234,6 +15273,39 @@ patch_switch_statement (node)
 
 /* 14.18 The try/catch statements */
 
+/* Encapsulate TRY_STMTS' in a try catch sequence. The catch clause
+   catches TYPE and executes CATCH_STMTS.  */
+
+static tree
+encapsulate_with_try_catch (location, type, try_stmts, catch_stmts)
+     int location;
+     tree type, try_stmts, catch_stmts;
+{
+  tree try_block, catch_clause_param, catch_block, catch;
+
+  /* First build a try block */
+  try_block = build_expr_block (try_stmts, NULL_TREE);
+
+  /* Build a catch block: we need a catch clause parameter */
+  catch_clause_param = build_decl (VAR_DECL, 
+				   wpv_id, build_pointer_type (type));
+  /* And a block */
+  catch_block = build_expr_block (NULL_TREE, catch_clause_param);
+  
+  /* Initialize the variable and store in the block */
+  catch = build (MODIFY_EXPR, NULL_TREE, catch_clause_param,
+		 build (JAVA_EXC_OBJ_EXPR, ptr_type_node));
+  add_stmt_to_block (catch_block, NULL_TREE, catch);
+
+  /* Add the catch statements */
+  add_stmt_to_block (catch_block, NULL_TREE, catch_stmts);
+
+  /* Now we can build a CATCH_EXPR */
+  catch_block = build1 (CATCH_EXPR, NULL_TREE, catch_block);
+
+  return build_try_statement (location, try_block, catch_block);
+}
+
 static tree
 build_try_statement (location, try_block, catches)
      int location;
@@ -15468,12 +15540,13 @@ patch_throw_statement (node, wfl_op1)
   unchecked_ok = IS_UNCHECKED_EXCEPTION_P (TREE_TYPE (type));
 
   SET_WFL_OPERATOR (wfl_operator, node, wfl_op1);
-  /* An instance can't throw a checked excetion unless that exception
+  /* An instance can't throw a checked exception unless that exception
      is explicitely declared in the `throws' clause of each
      constructor. This doesn't apply to anonymous classes, since they
      don't have declared constructors. */
   if (!unchecked_ok 
-      && in_instance_initializer && !ANONYMOUS_CLASS_P (current_class))
+      && DECL_INSTINIT_P (current_function_decl)
+      && !ANONYMOUS_CLASS_P (current_class))
     {
       tree current;
       for (current = TYPE_METHODS (current_class); current; 


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