* Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.

	(c-dump.o): New target.
	* c-common.h (flag_dump_translation_unit): New variable.
	(C_TYPE_QUALS): New macro.
	(strip_array_types): New function.
	(DECL_C_BIT_FIELD): New macro.
	(SET_DECL_C_BIT_FIELD): Likewise.
	(CLEAR_DECL_C_BIT_FIELD): Likewise.
	(dump_info_p): New typedef.
	(dump_tree_fn): Likewise.
	(lang_dump_tree): New variable.
	(dump_node_to_file): New function.
	* c-common.c (flag_dump_translation_unit): Define it.
	(strip_array_types): New function.
	* c-decl.c (c_decode_option): Handle -fdump-translation-unit.
	* c-lang.c (finish_file): Call dump_node_to_file if
	flag_dump_translation_unit.
	* c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
	* c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
	* c-dump.c: New file.

	* Make-lang.in (CXX_C_OBJS): Add c-dump.o.
	(dump.o): Update dependency list.
	* cp-tree.h (DECL_MAYBE_TEMPLATE): Remove.
	(flag_dump_translation_unit): Likewise.
	(CP_TYPE_QUALS): Adjust definition.
	(DECL_C_BIT_FIELD): Remove.
	(SET_DECL_C_BIT_FIELD): Likewise.
	(CLEAR_DECL_C_BIT_FIELD): Likewise.
	(add_maybe_template): Likewise.
	(strip_array_types): Likewise.
	(dump_node_to_file): Likewise.
	(cp_dump_tree): New function.
	* decl.c (init_decl_processing): Set lang_dump_tree.
	* decl2.c (flag_dump_translation_unit): Remove.
	* dump.c: Move most of it to ../c-dump.c.
	(cp_dump_tree): New function.
	* pt.c (add_maybe_template): Remove.
	* typeck.c (strip_array_types): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37358 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 768 insertions, 0 deletions

diff --git a/gcc/c-dump.c b/gcc/c-dump.c
new file mode 100644
index 00000000000..30b0816fe7f
--- /dev/null
+++ b/gcc/c-dump.c
@@ -0,0 +1,768 @@
+/* Tree-dumping functionality for intermediate representation.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   Written by Mark Mitchell <mark@codesourcery.com>
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "system.h"
+#include "tree.h"
+#include "c-common.h"
+#include "splay-tree.h"
+#include "diagnostic.h"
+#include "toplev.h"
+#include "c-dump.h"
+
+/* A callback function used dump language-specific parts of tree
+   nodes.  Returns non-zero if it does not want the usual dumping of
+   the second argument.  */
+
+dump_tree_fn lang_dump_tree;
+
+static unsigned int queue PARAMS ((dump_info_p, tree, int));
+static void dump_index PARAMS ((dump_info_p, unsigned int));
+static void dequeue_and_dump PARAMS ((dump_info_p));
+static void dump_new_line PARAMS ((dump_info_p));
+static void dump_maybe_newline PARAMS ((dump_info_p));
+static void dump_string_field PARAMS ((dump_info_p, const char *, const char *));
+static void dump_node PARAMS ((tree, FILE *));
+
+/* Add T to the end of the queue of nodes to dump.  Returns the index
+   assigned to T.  */
+
+static unsigned int
+queue (di, t, flags)
+     dump_info_p di;
+     tree t;
+     int flags;
+{
+  dump_queue_p dq;
+  dump_node_info_p dni;
+  unsigned int index;
+
+  /* Assign the next available index to T.  */
+  index = ++di->index;
+
+  /* Obtain a new queue node.  */
+  if (di->free_list)
+    {
+      dq = di->free_list;
+      di->free_list = dq->next;
+    }
+  else
+    dq = (dump_queue_p) xmalloc (sizeof (struct dump_queue));
+
+  /* Create a new entry in the splay-tree.  */
+  dni = (dump_node_info_p) xmalloc (sizeof (struct dump_node_info));
+  dni->index = index;
+  dni->binfo_p = ((flags & DUMP_BINFO) != 0);
+  dq->node = splay_tree_insert (di->nodes, (splay_tree_key) t, 
+				(splay_tree_value) dni);
+
+  /* Add it to the end of the queue.  */
+  dq->next = 0;
+  if (!di->queue_end)
+    di->queue = dq;
+  else
+    di->queue_end->next = dq;
+  di->queue_end = dq;
+
+  /* Return the index.  */
+  return index;
+}
+
+static void
+dump_index (di, index)
+     dump_info_p di;
+     unsigned int index;
+{
+  fprintf (di->stream, "@%-6u ", index);
+  di->column += 8;
+}
+
+/* If T has not already been output, queue it for subsequent output.
+   FIELD is a string to print before printing the index.  Then, the
+   index of T is printed.  */
+
+void
+queue_and_dump_index (di, field, t, flags)
+     dump_info_p di;
+     const char *field;
+     tree t;
+     int flags;
+{
+  unsigned int index;
+  splay_tree_node n;
+
+  /* If there's no node, just return.  This makes for fewer checks in
+     our callers.  */
+  if (!t)
+    return;
+
+  /* See if we've already queued or dumped this node.  */
+  n = splay_tree_lookup (di->nodes, (splay_tree_key) t);
+  if (n)
+    index = ((dump_node_info_p) n->value)->index;
+  else
+    /* If we haven't, add it to the queue.  */
+    index = queue (di, t, flags);
+
+  /* Print the index of the node.  */
+  dump_maybe_newline (di);
+  fprintf (di->stream, "%-4s: ", field);
+  di->column += 6;
+  dump_index (di, index);
+}
+
+/* Dump the type of T.  */
+
+void
+queue_and_dump_type (di, t)
+     dump_info_p di;
+     tree t;
+{
+  queue_and_dump_index (di, "type", TREE_TYPE (t), DUMP_NONE);
+}
+
+/* Insert a new line in the dump output, and indent to an appropriate
+   place to start printing more fields.  */
+
+static void
+dump_new_line (di)
+     dump_info_p di;
+{
+  fprintf (di->stream, "\n%25s", "");
+  di->column = 25;
+}
+
+/* If necessary, insert a new line.  */
+
+static void
+dump_maybe_newline (di)
+     dump_info_p di;
+{
+  /* See if we need a new line.  */
+  if (di->column > 53)
+    dump_new_line (di);
+  /* See if we need any padding.  */
+  else if ((di->column - 25) % 14 != 0)
+    {
+      fprintf (di->stream, "%*s", 14 - ((di->column - 25) % 14), "");
+      di->column += 14 - (di->column - 25) % 14;
+    }
+}
+
+/* Dump I using FIELD to identity it.  */
+
+void
+dump_int (di, field, i)
+     dump_info_p di;
+     const char *field;
+     int i;
+{
+  dump_maybe_newline (di);
+  fprintf (di->stream, "%-4s: %-7d ", field, i);
+  di->column += 14;
+}
+
+/* Dump the string S.  */
+
+void
+dump_string (di, string)
+     dump_info_p di;
+     const char *string;
+{
+  dump_maybe_newline (di);
+  fprintf (di->stream, "%-13s ", string);
+  if (strlen (string) > 13)
+    di->column += strlen (string) + 1;
+  else
+    di->column += 14;
+}
+
+/* Dump the string field S.  */
+
+static void
+dump_string_field (di, field, string)
+     dump_info_p di;
+     const char *field;
+     const char *string;
+{
+  dump_maybe_newline (di);
+  fprintf (di->stream, "%-4s: %-7s ", field, string);
+  if (strlen (string) > 7)
+    di->column += 6 + strlen (string) + 1;
+  else
+    di->column += 14;
+}
+
+/* Dump information common to statements from STMT.  */
+
+void
+dump_stmt (di, t)
+     dump_info_p di;
+     tree t;
+{
+  dump_int (di, "line", STMT_LINENO (t));
+}
+
+/* Dump the next statement after STMT.  */
+
+void
+dump_next_stmt (di, t)
+     dump_info_p di;
+     tree t;
+{
+  dump_child ("next", TREE_CHAIN (t));
+}
+
+/* Dump the next node in the queue.  */
+
+static void 
+dequeue_and_dump (di)
+     dump_info_p di;
+{
+  dump_queue_p dq;
+  splay_tree_node stn;
+  dump_node_info_p dni;
+  tree t;
+  unsigned int index;
+  enum tree_code code;
+  char code_class;
+  const char* code_name;
+
+  /* Get the next node from the queue.  */
+  dq = di->queue;
+  stn = dq->node;
+  t = (tree) stn->key;
+  dni = (dump_node_info_p) stn->value;
+  index = dni->index;
+
+  /* Remove the node from the queue, and put it on the free list.  */
+  di->queue = dq->next;
+  if (!di->queue)
+    di->queue_end = 0;
+  dq->next = di->free_list;
+  di->free_list = dq;
+
+  /* Print the node index.  */
+  dump_index (di, index);
+  /* And the type of node this is.  */
+  if (dni->binfo_p)
+    code_name = "binfo";
+  else
+    code_name = tree_code_name[(int) TREE_CODE (t)];
+  fprintf (di->stream, "%-16s ", code_name);
+  di->column = 25;
+
+  /* Figure out what kind of node this is.  */
+  code = TREE_CODE (t);
+  code_class = TREE_CODE_CLASS (code);
+
+  /* Although BINFOs are TREE_VECs, we dump them specially so as to be
+     more informative.  */
+  if (dni->binfo_p)
+    {
+      if (TREE_VIA_PUBLIC (t))
+	dump_string (di, "pub");
+      else if (TREE_VIA_PROTECTED (t))
+	dump_string (di, "prot");
+      else if (TREE_VIA_PRIVATE (t))
+	dump_string (di, "priv");
+      if (TREE_VIA_VIRTUAL (t))
+	dump_string (di, "virt");
+	    
+      dump_child ("type", BINFO_TYPE (t));
+      dump_child ("base", BINFO_BASETYPES (t));
+
+      goto done;
+    }
+
+  /* We can knock off a bunch of expression nodes in exactly the same
+     way.  */
+  if (IS_EXPR_CODE_CLASS (code_class))
+    {
+      /* If we're dumping children, dump them now.  */
+      queue_and_dump_type (di, t);
+
+      switch (code_class)
+	{
+	case '1':
+	  dump_child ("op 0", TREE_OPERAND (t, 0));
+	  break;
+	      
+	case '2':
+	case '<':
+	  dump_child ("op 0", TREE_OPERAND (t, 0));
+	  dump_child ("op 1", TREE_OPERAND (t, 1));
+	  break;
+	      
+	case 'e':
+	  /* These nodes are handled explicitly below.  */
+	  break;
+	      
+	default:
+	  abort();
+	}
+    }
+  else if (DECL_P (t))
+    {
+      /* All declarations have names.  */
+      if (DECL_NAME (t))
+	dump_child ("name", DECL_NAME (t));
+      if (DECL_ASSEMBLER_NAME (t) 
+	  && DECL_ASSEMBLER_NAME (t) != DECL_NAME (t))
+	dump_child ("mngl", DECL_ASSEMBLER_NAME (t));
+      /* And types.  */
+      queue_and_dump_type (di, t);
+      dump_child ("scpe", DECL_CONTEXT (t));
+      /* And a source position.  */
+      if (DECL_SOURCE_FILE (t))
+	{
+	  const char *filename = strrchr (DECL_SOURCE_FILE (t), '/');
+	  if (!filename)
+	    filename = DECL_SOURCE_FILE (t);
+	  else
+	    /* Skip the slash.  */
+	    ++filename;
+
+	  dump_maybe_newline (di);
+	  fprintf (di->stream, "srcp: %s:%-6d ", filename, 
+		   DECL_SOURCE_LINE (t));
+	  di->column += 6 + strlen (filename) + 8;
+	}
+      /* And any declaration can be compiler-generated.  */
+      if (DECL_ARTIFICIAL (t))
+	dump_string (di, "artificial");
+      if (TREE_CHAIN (t))
+	dump_child ("chan", TREE_CHAIN (t));
+    }
+  else if (code_class == 't')
+    {
+      /* All types have qualifiers.  */
+      int quals = C_TYPE_QUALS (t);
+      if (quals != TYPE_UNQUALIFIED)
+	{
+	  fprintf (di->stream, "qual: %c%c%c     ",
+		   (quals & TYPE_QUAL_CONST) ? 'c' : ' ',
+		   (quals & TYPE_QUAL_VOLATILE) ? 'v' : ' ',
+		   (quals & TYPE_QUAL_RESTRICT) ? 'r' : ' ');
+	  di->column += 14;
+	}
+
+      /* All types have associated declarations.  */
+      dump_child ("name", TYPE_NAME (t));
+
+      /* All types have a main variant.  */
+      if (TYPE_MAIN_VARIANT (t) != t)
+	dump_child ("unql", TYPE_MAIN_VARIANT (t));
+      
+      /* And sizes.  */
+      dump_child ("size", TYPE_SIZE (t));
+
+      /* All types have alignments.  */
+      dump_int (di, "algn", TYPE_ALIGN (t));
+    }
+  else if (code_class == 'c')
+    /* All constants can have types.  */
+    queue_and_dump_type (di, t);
+
+  /* Give the language-specific code a chance to print something.  If
+     it's completely taken care of things, don't bother printing
+     anything more ourselves.  */
+  if (lang_dump_tree && (*lang_dump_tree) (di, t))
+    goto done;
+
+  /* Now handle the various kinds of nodes.  */
+  switch (code)
+    {
+      int i;
+
+    case IDENTIFIER_NODE:
+      dump_string_field (di, "strg", IDENTIFIER_POINTER (t));
+      dump_int (di, "lngt", IDENTIFIER_LENGTH (t));
+      break;
+
+    case TREE_LIST:
+      dump_child ("purp", TREE_PURPOSE (t));
+      dump_child ("valu", TREE_VALUE (t));
+      dump_child ("chan", TREE_CHAIN (t));
+      break;
+
+    case TREE_VEC:
+      dump_int (di, "lngt", TREE_VEC_LENGTH (t));
+      for (i = 0; i < TREE_VEC_LENGTH (t); ++i)
+	{
+	  char buffer[32];
+	  sprintf (buffer, "%u", i);
+	  dump_child (buffer, TREE_VEC_ELT (t, i));
+	}
+      break;
+
+    case INTEGER_TYPE:
+    case ENUMERAL_TYPE:
+      dump_int (di, "prec", TYPE_PRECISION (t));
+      if (TREE_UNSIGNED (t))
+	dump_string (di, "unsigned");
+      dump_child ("min", TYPE_MIN_VALUE (t));
+      dump_child ("max", TYPE_MAX_VALUE (t));
+
+      if (code == ENUMERAL_TYPE)
+	dump_child ("csts", TYPE_VALUES (t));
+      break;
+
+    case REAL_TYPE:
+      dump_int (di, "prec", TYPE_PRECISION (t));
+      break;
+
+    case POINTER_TYPE:
+      dump_child ("ptd", TREE_TYPE (t));
+      break;
+
+    case REFERENCE_TYPE:
+      dump_child ("refd", TREE_TYPE (t));
+      break;
+
+    case METHOD_TYPE:
+      dump_child ("clas", TYPE_METHOD_BASETYPE (t));
+      /* Fall through.  */
+
+    case FUNCTION_TYPE:
+      dump_child ("retn", TREE_TYPE (t));
+      dump_child ("prms", TYPE_ARG_TYPES (t));
+      break;
+
+    case ARRAY_TYPE:
+      dump_child ("elts", TREE_TYPE (t));
+      dump_child ("domn", TYPE_DOMAIN (t));
+      break;
+
+    case RECORD_TYPE:
+    case UNION_TYPE:
+      if (TREE_CODE (t) == RECORD_TYPE)
+	dump_string (di, "struct");
+      else
+	dump_string (di, "union");
+      
+      dump_child ("flds", TYPE_FIELDS (t));
+      dump_child ("fncs", TYPE_METHODS (t));
+      queue_and_dump_index (di, "binf", TYPE_BINFO (t), 
+			    DUMP_BINFO);
+      break;
+
+    case CONST_DECL:
+      dump_child ("cnst", DECL_INITIAL (t));
+      break;
+
+    case VAR_DECL:
+    case PARM_DECL:
+    case FIELD_DECL:
+    case RESULT_DECL:
+      if (TREE_CODE (t) == PARM_DECL)
+	dump_child ("argt", DECL_ARG_TYPE (t));
+      else
+	dump_child ("init", DECL_INITIAL (t));
+      dump_child ("size", DECL_SIZE (t));
+      dump_int (di, "algn", DECL_ALIGN (t));
+
+      if (TREE_CODE (t) == FIELD_DECL)
+	{
+	  if (DECL_C_BIT_FIELD (t))
+	    dump_string (di, "bitfield");
+	  if (DECL_FIELD_OFFSET (t))
+	    dump_child ("bpos", bit_position (t));
+	}
+      else if (TREE_CODE (t) == VAR_DECL 
+	       || TREE_CODE (t) == PARM_DECL)
+	{
+	  dump_int (di, "used", TREE_USED (t));
+	  if (DECL_REGISTER (t))
+	    dump_string (di, "register");
+	}
+      break;
+
+    case FUNCTION_DECL:
+      dump_child ("args", DECL_ARGUMENTS (t));
+      if (DECL_EXTERNAL (t))
+	dump_string (di, "undefined");
+      if (TREE_PUBLIC (t))
+	dump_string (di, "extern");
+      else
+	dump_string (di, "static");
+      break;
+
+    case ASM_STMT:
+      dump_stmt (di, t);
+      if (ASM_VOLATILE_P (t))
+	dump_string (di, "volatile");
+      dump_child ("strg", ASM_STRING (t));
+      dump_child ("outs", ASM_OUTPUTS (t));
+      dump_child ("ins", ASM_INPUTS (t));
+      dump_child ("clbr", ASM_CLOBBERS (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case BREAK_STMT:
+    case CONTINUE_STMT:
+      dump_stmt (di, t);
+      dump_next_stmt (di, t);
+      break;
+
+    case CASE_LABEL:
+      /* Note that a case label is not like other statments; there is
+	 no way to get the line-number of a case label.  */
+      dump_child ("low", CASE_LOW (t));
+      dump_child ("high", CASE_HIGH (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case COMPOUND_STMT:
+      dump_stmt (di, t);
+      dump_child ("body", COMPOUND_BODY (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case DECL_STMT:
+      dump_stmt (di, t);
+      dump_child ("decl", DECL_STMT_DECL (t));
+      dump_next_stmt (di, t);
+      break;
+      
+    case DO_STMT:
+      dump_stmt (di, t);
+      dump_child ("body", DO_BODY (t));
+      dump_child ("cond", DO_COND (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case EXPR_STMT:
+      dump_stmt (di, t);
+      dump_child ("expr", EXPR_STMT_EXPR (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case FOR_STMT:
+      dump_stmt (di, t);
+      dump_child ("init", FOR_INIT_STMT (t));
+      dump_child ("cond", FOR_COND (t));
+      dump_child ("expr", FOR_EXPR (t));
+      dump_child ("body", FOR_BODY (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case GOTO_STMT:
+      dump_stmt (di, t);
+      dump_child ("dest", GOTO_DESTINATION (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case IF_STMT:
+      dump_stmt (di, t);
+      dump_child ("cond", IF_COND (t));
+      dump_child ("then", THEN_CLAUSE (t));
+      dump_child ("else", ELSE_CLAUSE (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case LABEL_STMT:
+      dump_stmt (di, t);
+      dump_child ("labl", LABEL_STMT_LABEL (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case RETURN_STMT:
+      dump_stmt (di, t);
+      dump_child ("expr", RETURN_EXPR (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case SWITCH_STMT:
+      dump_stmt (di, t);
+      dump_child ("cond", SWITCH_COND (t));
+      dump_child ("body", SWITCH_BODY (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case WHILE_STMT:
+      dump_stmt (di, t);
+      dump_child ("cond", WHILE_COND (t));
+      dump_child ("body", WHILE_BODY (t));
+      dump_next_stmt (di, t);
+      break;
+
+    case SCOPE_STMT:
+      dump_stmt (di, t);
+      if (SCOPE_BEGIN_P (t))
+	dump_string (di, "begn");
+      else
+	dump_string (di, "end");
+      if (SCOPE_NULLIFIED_P (t))
+	dump_string (di, "null");
+      if (!SCOPE_NO_CLEANUPS_P (t))
+	dump_string (di, "clnp");
+      dump_next_stmt (di, t);
+      break;
+
+    case INTEGER_CST:
+      if (TREE_INT_CST_HIGH (t))
+	dump_int (di, "high", TREE_INT_CST_HIGH (t));
+      dump_int (di, "low", TREE_INT_CST_LOW (t));
+      break;
+
+    case STRING_CST:
+      fprintf (di->stream, "strg: %-7s ", TREE_STRING_POINTER (t));
+      dump_int (di, "lngt", TREE_STRING_LENGTH (t));
+      break;
+
+    case TRUTH_NOT_EXPR:
+    case ADDR_EXPR:
+    case INDIRECT_REF:
+    case CLEANUP_POINT_EXPR:
+    case SAVE_EXPR:
+      /* These nodes are unary, but do not have code class `1'.  */
+      dump_child ("op 0", TREE_OPERAND (t, 0));
+      break;
+
+    case TRUTH_ANDIF_EXPR:
+    case TRUTH_ORIF_EXPR:
+    case INIT_EXPR:
+    case MODIFY_EXPR:
+    case COMPONENT_REF:
+    case COMPOUND_EXPR:
+    case ARRAY_REF:
+    case PREDECREMENT_EXPR:
+    case PREINCREMENT_EXPR:
+    case POSTDECREMENT_EXPR:
+    case POSTINCREMENT_EXPR:
+      /* These nodes are binary, but do not have code class `2'.  */
+      dump_child ("op 0", TREE_OPERAND (t, 0));
+      dump_child ("op 1", TREE_OPERAND (t, 1));
+      break;
+
+    case COND_EXPR:
+      dump_child ("op 0", TREE_OPERAND (t, 0));
+      dump_child ("op 1", TREE_OPERAND (t, 1));
+      dump_child ("op 2", TREE_OPERAND (t, 2));
+      break;
+
+    case CALL_EXPR:
+      dump_child ("fn", TREE_OPERAND (t, 0));
+      dump_child ("args", TREE_OPERAND (t, 1));
+      break;
+
+    case CONSTRUCTOR:
+      dump_child ("elts", TREE_OPERAND (t, 1));
+      break;
+
+    case STMT_EXPR:
+      dump_child ("stmt", STMT_EXPR_STMT (t));
+      break;
+
+    case BIND_EXPR:
+      dump_child ("vars", TREE_OPERAND (t, 0));
+      dump_child ("body", TREE_OPERAND (t, 1));
+      break;
+
+    case LOOP_EXPR:
+      dump_child ("body", TREE_OPERAND (t, 0));
+      break;
+
+    case EXIT_EXPR:
+      dump_child ("cond", TREE_OPERAND (t, 0));
+      break;
+
+    case TARGET_EXPR:
+      dump_child ("decl", TREE_OPERAND (t, 0));
+      dump_child ("init", TREE_OPERAND (t, 1));
+      dump_child ("clnp", TREE_OPERAND (t, 2));
+      /* There really are two possible places the initializer can be.
+	 After RTL expansion, the second operand is moved to the
+	 position of the fourth operand, and the second operand
+	 becomes NULL.  */
+      dump_child ("init", TREE_OPERAND (t, 3));
+      break;
+      
+    case EXPR_WITH_FILE_LOCATION:
+      dump_child ("expr", EXPR_WFL_NODE (t));
+      break;
+
+    default:
+      /* There are no additional fields to print.  */
+      break;
+    }
+
+ done:
+  /* Terminate the line.  */
+  fprintf (di->stream, "\n");
+}
+
+/* Dump T, and all its children, on STREAM.  */
+
+static void
+dump_node (t, stream)
+     tree t;
+     FILE *stream;
+{
+  struct dump_info di;
+  dump_queue_p dq;
+  dump_queue_p next_dq;
+
+  /* Initialize the dump-information structure.  */
+  di.stream = stream;
+  di.index = 0;
+  di.column = 0;
+  di.queue = 0;
+  di.queue_end = 0;
+  di.free_list = 0;
+  di.nodes = splay_tree_new (splay_tree_compare_pointers, 0, 
+			     (splay_tree_delete_value_fn) &free);
+
+  /* Queue up the first node.  */
+  queue (&di, t, DUMP_NONE);
+
+  /* Until the queue is empty, keep dumping nodes.  */
+  while (di.queue)
+    dequeue_and_dump (&di);
+
+  /* Now, clean up.  */
+  for (dq = di.free_list; dq; dq = next_dq)
+    {
+      next_dq = dq->next;
+      free (dq);
+    }
+  splay_tree_delete (di.nodes);
+}
+
+/* Dump T, and all its children, to FILE.  */
+
+void
+dump_node_to_file (t, file)
+     tree t;
+     const char *file;
+{
+  FILE *f;
+
+  f = fopen (file, "w");
+  if (!f)
+    error ("could not open dump file `%s'", file);
+  else
+    {
+      dump_node (t, f);
+      fclose (f);
+    }
+}