X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fc-lang.c;h=af42188226990387775ba350cc8cb2ca856d9a21;hb=687d783f869e31def147cf12e9be870ac930d997;hp=e7aa05574caecfae1f49fa1838d6aa657146cc8d;hpb=1996fae84682e8ddd146215dd2959ad1ec924c09;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/c-lang.c b/gdb/c-lang.c
index e7aa05574c..af42188226 100644
--- a/gdb/c-lang.c
+++ b/gdb/c-lang.c
@@ -1,21 +1,24 @@
 /* C language support routines for GDB, the GNU debugger.
-   Copyright 1992, 1993, 1994 Free Software Foundation, Inc.
 
-This file is part of GDB.
+   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003,
+   2004, 2005, 2007 Free Software Foundation, Inc.
 
-This program 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 of the License, or
-(at your option) any later version.
+   This file is part of GDB.
 
-This program 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.
+   This program 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 of the License, or
+   (at your option) any later version.
 
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
 #include "symtab.h"
@@ -24,65 +27,52 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "parser-defs.h"
 #include "language.h"
 #include "c-lang.h"
+#include "valprint.h"
+#include "macroscope.h"
+#include "gdb_assert.h"
+#include "charset.h"
+#include "gdb_string.h"
+#include "demangle.h"
+#include "cp-support.h"
 
-static void c_emit_char PARAMS ((int c, GDB_FILE *stream, int quoter));
+extern void _initialize_c_language (void);
+static void c_emit_char (int c, struct ui_file * stream, int quoter);
 
 /* Print the character C on STREAM as part of the contents of a literal
    string whose delimiter is QUOTER.  Note that that format for printing
    characters and strings is language specific. */
 
 static void
-c_emit_char (c, stream, quoter)
-     register int c;
-     GDB_FILE *stream;
-     int quoter;
+c_emit_char (int c, struct ui_file *stream, int quoter)
 {
+  const char *escape;
+  int host_char;
+
   c &= 0xFF;			/* Avoid sign bit follies */
 
-  if (PRINT_LITERAL_FORM (c))
+  escape = c_target_char_has_backslash_escape (c);
+  if (escape)
     {
-      if (c == '\\' || c == quoter)
-	{
-	  fputs_filtered ("\\", stream);
-	}
-      fprintf_filtered (stream, "%c", c);
+      if (quoter == '"' && strcmp (escape, "0") == 0)
+	/* Print nulls embedded in double quoted strings as \000 to
+	   prevent ambiguity.  */
+	fprintf_filtered (stream, "\\000");
+      else
+	fprintf_filtered (stream, "\\%s", escape);
     }
-  else
+  else if (target_char_to_host (c, &host_char)
+           && host_char_print_literally (host_char))
     {
-      switch (c)
-	{
-	case '\n':
-	  fputs_filtered ("\\n", stream);
-	  break;
-	case '\b':
-	  fputs_filtered ("\\b", stream);
-	  break;
-	case '\t':
-	  fputs_filtered ("\\t", stream);
-	  break;
-	case '\f':
-	  fputs_filtered ("\\f", stream);
-	  break;
-	case '\r':
-	  fputs_filtered ("\\r", stream);
-	  break;
-	case '\033':
-	  fputs_filtered ("\\e", stream);
-	  break;
-	case '\007':
-	  fputs_filtered ("\\a", stream);
-	  break;
-	default:
-	  fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
-	  break;
-	}
+      if (host_char == '\\' || host_char == quoter)
+        fputs_filtered ("\\", stream);
+      fprintf_filtered (stream, "%c", host_char);
     }
+  else
+    fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
 }
 
 void
-c_printchar (c, stream)
-     int c;
-     GDB_FILE *stream;
+c_printchar (int c, struct ui_file *stream)
 {
   fputc_filtered ('\'', stream);
   LA_EMIT_CHAR (c, stream, '\'');
@@ -96,27 +86,21 @@ c_printchar (c, stream)
    printing LENGTH characters, or if FORCE_ELLIPSES.  */
 
 void
-c_printstr (stream, string, length, width, force_ellipses)
-     GDB_FILE *stream;
-     char *string;
-     unsigned int length;
-     int width;
-     int force_ellipses;
+c_printstr (struct ui_file *stream, const gdb_byte *string,
+	    unsigned int length, int width, int force_ellipses)
 {
-  register unsigned int i;
+  unsigned int i;
   unsigned int things_printed = 0;
   int in_quotes = 0;
   int need_comma = 0;
-  extern int inspect_it;
-  extern int repeat_count_threshold;
-  extern int print_max;
 
   /* If the string was not truncated due to `set print elements', and
      the last byte of it is a null, we don't print that, in traditional C
      style.  */
   if (!force_ellipses
       && length > 0
-      && extract_unsigned_integer (string + (length - 1) * width, width) == '\0')
+      && (extract_unsigned_integer (string + (length - 1) * width, width)
+          == '\0'))
     length--;
 
   if (length == 0)
@@ -128,7 +112,7 @@ c_printstr (stream, string, length, width, force_ellipses)
   for (i = 0; i < length && things_printed < print_max; ++i)
     {
       /* Position of the character we are examining
-	 to see whether it is repeated.  */
+         to see whether it is repeated.  */
       unsigned int rep1;
       /* Number of repetitions we have detected so far.  */
       unsigned int reps;
@@ -148,7 +132,7 @@ c_printstr (stream, string, length, width, force_ellipses)
       reps = 1;
       while (rep1 < length
 	     && extract_unsigned_integer (string + rep1 * width, width)
-	        == current_char)
+	     == current_char)
 	{
 	  ++rep1;
 	  ++reps;
@@ -165,7 +149,7 @@ c_printstr (stream, string, length, width, force_ellipses)
 	      in_quotes = 0;
 	    }
 	  LA_PRINT_CHAR (current_char, stream);
-	  fprintf_filtered (stream, " <repeats %u times>", reps);
+	  fprintf_filtered (stream, _(" <repeats %u times>"), reps);
 	  i = rep1 - 1;
 	  things_printed += repeat_count_threshold;
 	  need_comma = 1;
@@ -218,211 +202,380 @@ c_printstr (stream, string, length, width, force_ellipses)
    gdb test suite since we don't have to account for the differences
    in output depending upon what the compiler and debugging format
    support.  We will probably have to re-examine the issue when gdb
-   starts taking it's fundamental type information directly from the
+   starts taking its fundamental type information directly from the
    debugging information supplied by the compiler.  fnf@cygnus.com */
 
 struct type *
-c_create_fundamental_type (objfile, typeid)
-     struct objfile *objfile;
-     int typeid;
+c_create_fundamental_type (struct objfile *objfile, int typeid)
 {
-  register struct type *type = NULL;
+  struct type *type = NULL;
 
   switch (typeid)
     {
-      default:
-	/* FIXME:  For now, if we are asked to produce a type not in this
-	   language, create the equivalent of a C integer type with the
-	   name "<?type?>".  When all the dust settles from the type
-	   reconstruction work, this should probably become an error. */
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_INT_BIT / TARGET_CHAR_BIT,
-			  0, "<?type?>", objfile);
-        warning ("internal error: no C/C++ fundamental type %d", typeid);
-	break;
-      case FT_VOID:
-	type = init_type (TYPE_CODE_VOID,
-			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
-			  0, "void", objfile);
-	break;
-      case FT_BOOLEAN:
-        type = init_type (TYPE_CODE_BOOL,
-			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
-                          0, "bool", objfile);
-                          
-        break;
-      case FT_CHAR:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
-			  0, "char", objfile);
-        TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN;
-	break;
-      case FT_SIGNED_CHAR:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
-			  0, "signed char", objfile);
-	break;
-      case FT_UNSIGNED_CHAR:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
-			  TYPE_FLAG_UNSIGNED, "unsigned char", objfile);
-	break;
-      case FT_SHORT:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_SHORT_BIT / TARGET_CHAR_BIT,
-			  0, "short", objfile);
-	break;
-      case FT_SIGNED_SHORT:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_SHORT_BIT / TARGET_CHAR_BIT,
-			  0, "short", objfile);	/* FIXME-fnf */
-	break;
-      case FT_UNSIGNED_SHORT:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_SHORT_BIT / TARGET_CHAR_BIT,
-			  TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
-	break;
-      case FT_INTEGER:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_INT_BIT / TARGET_CHAR_BIT,
-			  0, "int", objfile);
-	break;
-      case FT_SIGNED_INTEGER:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_INT_BIT / TARGET_CHAR_BIT,
-			  0, "int", objfile); /* FIXME -fnf */
-	break;
-      case FT_UNSIGNED_INTEGER:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_INT_BIT / TARGET_CHAR_BIT,
-			  TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
-	break;
-      case FT_LONG:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_LONG_BIT / TARGET_CHAR_BIT,
-			  0, "long", objfile);
-	break;
-      case FT_SIGNED_LONG:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_LONG_BIT / TARGET_CHAR_BIT,
-			  0, "long", objfile); /* FIXME -fnf */
-	break;
-      case FT_UNSIGNED_LONG:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_LONG_BIT / TARGET_CHAR_BIT,
-			  TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
-	break;
-      case FT_LONG_LONG:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
-			  0, "long long", objfile);
-	break;
-      case FT_SIGNED_LONG_LONG:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
-			  0, "signed long long", objfile);
-	break;
-      case FT_UNSIGNED_LONG_LONG:
-	type = init_type (TYPE_CODE_INT,
-			  TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
-			  TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
-	break;
-      case FT_FLOAT:
-	type = init_type (TYPE_CODE_FLT,
-			  TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
-			  0, "float", objfile);
-	break;
-      case FT_DBL_PREC_FLOAT:
-	type = init_type (TYPE_CODE_FLT,
-			  TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
-			  0, "double", objfile);
-	break;
-      case FT_EXT_PREC_FLOAT:
-	type = init_type (TYPE_CODE_FLT,
-			  TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
-			  0, "long double", objfile);
-        break;
-      case FT_TEMPLATE_ARG:
-        type = init_type (TYPE_CODE_TEMPLATE_ARG,
-			  0,
-		          0, "<template arg>", objfile);
-
-	break;
-      }
+    default:
+      /* FIXME:  For now, if we are asked to produce a type not in this
+         language, create the equivalent of a C integer type with the
+         name "<?type?>".  When all the dust settles from the type
+         reconstruction work, this should probably become an error. */
+      type = init_type (TYPE_CODE_INT,
+			TARGET_INT_BIT / TARGET_CHAR_BIT,
+			0, "<?type?>", objfile);
+      warning (_("internal error: no C/C++ fundamental type %d"), typeid);
+      break;
+    case FT_VOID:
+      type = init_type (TYPE_CODE_VOID,
+			TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+			0, "void", objfile);
+      break;
+    case FT_BOOLEAN:
+      type = init_type (TYPE_CODE_BOOL,
+			TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+			0, "bool", objfile);
+      break;
+    case FT_CHAR:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+			TYPE_FLAG_NOSIGN, "char", objfile);
+      break;
+    case FT_SIGNED_CHAR:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+			0, "signed char", objfile);
+      break;
+    case FT_UNSIGNED_CHAR:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+			TYPE_FLAG_UNSIGNED, "unsigned char", objfile);
+      break;
+    case FT_SHORT:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+			0, "short", objfile);
+      break;
+    case FT_SIGNED_SHORT:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+			0, "short", objfile);	/* FIXME-fnf */
+      break;
+    case FT_UNSIGNED_SHORT:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+			TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
+      break;
+    case FT_INTEGER:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_INT_BIT / TARGET_CHAR_BIT,
+			0, "int", objfile);
+      break;
+    case FT_SIGNED_INTEGER:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_INT_BIT / TARGET_CHAR_BIT,
+			0, "int", objfile);	/* FIXME -fnf */
+      break;
+    case FT_UNSIGNED_INTEGER:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_INT_BIT / TARGET_CHAR_BIT,
+			TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
+      break;
+    case FT_LONG:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_LONG_BIT / TARGET_CHAR_BIT,
+			0, "long", objfile);
+      break;
+    case FT_SIGNED_LONG:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_LONG_BIT / TARGET_CHAR_BIT,
+			0, "long", objfile);	/* FIXME -fnf */
+      break;
+    case FT_UNSIGNED_LONG:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_LONG_BIT / TARGET_CHAR_BIT,
+			TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
+      break;
+    case FT_LONG_LONG:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+			0, "long long", objfile);
+      break;
+    case FT_SIGNED_LONG_LONG:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+			0, "signed long long", objfile);
+      break;
+    case FT_UNSIGNED_LONG_LONG:
+      type = init_type (TYPE_CODE_INT,
+			TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+			TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
+      break;
+    case FT_FLOAT:
+      type = init_type (TYPE_CODE_FLT,
+			TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+			0, "float", objfile);
+      break;
+    case FT_DBL_PREC_FLOAT:
+      type = init_type (TYPE_CODE_FLT,
+			TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+			0, "double", objfile);
+      break;
+    case FT_EXT_PREC_FLOAT:
+      type = init_type (TYPE_CODE_FLT,
+			TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+			0, "long double", objfile);
+      break;
+    case FT_COMPLEX:
+      type = init_type (TYPE_CODE_FLT,
+			2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+			0, "complex float", objfile);
+      TYPE_TARGET_TYPE (type)
+	= init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+		     0, "float", objfile);
+      break;
+    case FT_DBL_PREC_COMPLEX:
+      type = init_type (TYPE_CODE_FLT,
+			2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+			0, "complex double", objfile);
+      TYPE_TARGET_TYPE (type)
+	= init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+		     0, "double", objfile);
+      break;
+    case FT_EXT_PREC_COMPLEX:
+      type = init_type (TYPE_CODE_FLT,
+			2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+			0, "complex long double", objfile);
+      TYPE_TARGET_TYPE (type)
+	= init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+		     0, "long double", objfile);
+      break;
+    case FT_TEMPLATE_ARG:
+      type = init_type (TYPE_CODE_TEMPLATE_ARG,
+			0,
+			0, "<template arg>", objfile);
+      break;
+    }
   return (type);
 }
+
+/* Preprocessing and parsing C and C++ expressions.  */
+
+
+/* When we find that lexptr (the global var defined in parse.c) is
+   pointing at a macro invocation, we expand the invocation, and call
+   scan_macro_expansion to save the old lexptr here and point lexptr
+   into the expanded text.  When we reach the end of that, we call
+   end_macro_expansion to pop back to the value we saved here.  The
+   macro expansion code promises to return only fully-expanded text,
+   so we don't need to "push" more than one level.
+
+   This is disgusting, of course.  It would be cleaner to do all macro
+   expansion beforehand, and then hand that to lexptr.  But we don't
+   really know where the expression ends.  Remember, in a command like
+
+     (gdb) break *ADDRESS if CONDITION
+
+   we evaluate ADDRESS in the scope of the current frame, but we
+   evaluate CONDITION in the scope of the breakpoint's location.  So
+   it's simply wrong to try to macro-expand the whole thing at once.  */
+static char *macro_original_text;
+static char *macro_expanded_text;
+
+
+void
+scan_macro_expansion (char *expansion)
+{
+  /* We'd better not be trying to push the stack twice.  */
+  gdb_assert (! macro_original_text);
+  gdb_assert (! macro_expanded_text);
+
+  /* Save the old lexptr value, so we can return to it when we're done
+     parsing the expanded text.  */
+  macro_original_text = lexptr;
+  lexptr = expansion;
+
+  /* Save the expanded text, so we can free it when we're finished.  */
+  macro_expanded_text = expansion;
+}
+
+
+int
+scanning_macro_expansion (void)
+{
+  return macro_original_text != 0;
+}
+
+
+void 
+finished_macro_expansion (void)
+{
+  /* There'd better be something to pop back to, and we better have
+     saved a pointer to the start of the expanded text.  */
+  gdb_assert (macro_original_text);
+  gdb_assert (macro_expanded_text);
+
+  /* Pop back to the original text.  */
+  lexptr = macro_original_text;
+  macro_original_text = 0;
+
+  /* Free the expanded text.  */
+  xfree (macro_expanded_text);
+  macro_expanded_text = 0;
+}
+
+
+static void
+scan_macro_cleanup (void *dummy)
+{
+  if (macro_original_text)
+    finished_macro_expansion ();
+}
+
+
+/* We set these global variables before calling c_parse, to tell it
+   how it to find macro definitions for the expression at hand.  */
+macro_lookup_ftype *expression_macro_lookup_func;
+void *expression_macro_lookup_baton;
+
+
+static struct macro_definition *
+null_macro_lookup (const char *name, void *baton)
+{
+  return 0;
+}
+
+
+static int
+c_preprocess_and_parse (void)
+{
+  /* Set up a lookup function for the macro expander.  */
+  struct macro_scope *scope = 0;
+  struct cleanup *back_to = make_cleanup (free_current_contents, &scope);
+
+  if (expression_context_block)
+    scope = sal_macro_scope (find_pc_line (expression_context_pc, 0));
+  else
+    scope = default_macro_scope ();
+
+  if (scope)
+    {
+      expression_macro_lookup_func = standard_macro_lookup;
+      expression_macro_lookup_baton = (void *) scope;
+    }
+  else
+    {
+      expression_macro_lookup_func = null_macro_lookup;
+      expression_macro_lookup_baton = 0;      
+    }
+
+  gdb_assert (! macro_original_text);
+  make_cleanup (scan_macro_cleanup, 0);
+
+  {
+    int result = c_parse ();
+    do_cleanups (back_to);
+    return result;
+  }
+}
+
 
 
 /* Table mapping opcodes into strings for printing operators
    and precedences of the operators.  */
 
 const struct op_print c_op_print_tab[] =
-  {
-    {",",  BINOP_COMMA, PREC_COMMA, 0},
-    {"=",  BINOP_ASSIGN, PREC_ASSIGN, 1},
-    {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
-    {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
-    {"|",  BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
-    {"^",  BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
-    {"&",  BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
-    {"==", BINOP_EQUAL, PREC_EQUAL, 0},
-    {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
-    {"<=", BINOP_LEQ, PREC_ORDER, 0},
-    {">=", BINOP_GEQ, PREC_ORDER, 0},
-    {">",  BINOP_GTR, PREC_ORDER, 0},
-    {"<",  BINOP_LESS, PREC_ORDER, 0},
-    {">>", BINOP_RSH, PREC_SHIFT, 0},
-    {"<<", BINOP_LSH, PREC_SHIFT, 0},
-    {"+",  BINOP_ADD, PREC_ADD, 0},
-    {"-",  BINOP_SUB, PREC_ADD, 0},
-    {"*",  BINOP_MUL, PREC_MUL, 0},
-    {"/",  BINOP_DIV, PREC_MUL, 0},
-    {"%",  BINOP_REM, PREC_MUL, 0},
-    {"@",  BINOP_REPEAT, PREC_REPEAT, 0},
-    {"-",  UNOP_NEG, PREC_PREFIX, 0},
-    {"!",  UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
-    {"~",  UNOP_COMPLEMENT, PREC_PREFIX, 0},
-    {"*",  UNOP_IND, PREC_PREFIX, 0},
-    {"&",  UNOP_ADDR, PREC_PREFIX, 0},
-    {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
-    {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
-    {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
-    /* C++  */
-    {"::", BINOP_SCOPE, PREC_PREFIX, 0},
-    {NULL, 0, 0, 0}
+{
+  {",", BINOP_COMMA, PREC_COMMA, 0},
+  {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
+  {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
+  {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
+  {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
+  {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
+  {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
+  {"==", BINOP_EQUAL, PREC_EQUAL, 0},
+  {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
+  {"<=", BINOP_LEQ, PREC_ORDER, 0},
+  {">=", BINOP_GEQ, PREC_ORDER, 0},
+  {">", BINOP_GTR, PREC_ORDER, 0},
+  {"<", BINOP_LESS, PREC_ORDER, 0},
+  {">>", BINOP_RSH, PREC_SHIFT, 0},
+  {"<<", BINOP_LSH, PREC_SHIFT, 0},
+  {"+", BINOP_ADD, PREC_ADD, 0},
+  {"-", BINOP_SUB, PREC_ADD, 0},
+  {"*", BINOP_MUL, PREC_MUL, 0},
+  {"/", BINOP_DIV, PREC_MUL, 0},
+  {"%", BINOP_REM, PREC_MUL, 0},
+  {"@", BINOP_REPEAT, PREC_REPEAT, 0},
+  {"-", UNOP_NEG, PREC_PREFIX, 0},
+  {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
+  {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
+  {"*", UNOP_IND, PREC_PREFIX, 0},
+  {"&", UNOP_ADDR, PREC_PREFIX, 0},
+  {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
+  {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
+  {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
+  {NULL, 0, 0, 0}
 };
 
-struct type ** CONST_PTR (c_builtin_types[]) = 
+enum c_primitive_types {
+  c_primitive_type_int,
+  c_primitive_type_long,
+  c_primitive_type_short,
+  c_primitive_type_char,
+  c_primitive_type_float,
+  c_primitive_type_double,
+  c_primitive_type_void,
+  c_primitive_type_long_long,
+  c_primitive_type_signed_char,
+  c_primitive_type_unsigned_char,
+  c_primitive_type_unsigned_short,
+  c_primitive_type_unsigned_int,
+  c_primitive_type_unsigned_long,
+  c_primitive_type_unsigned_long_long,
+  c_primitive_type_long_double,
+  c_primitive_type_complex,
+  c_primitive_type_double_complex,
+  nr_c_primitive_types
+};
+
+void
+c_language_arch_info (struct gdbarch *gdbarch,
+		      struct language_arch_info *lai)
 {
-  &builtin_type_int,
-  &builtin_type_long,
-  &builtin_type_short,
-  &builtin_type_char,
-  &builtin_type_float,
-  &builtin_type_double,
-  &builtin_type_void,
-  &builtin_type_long_long,
-  &builtin_type_signed_char,
-  &builtin_type_unsigned_char,
-  &builtin_type_unsigned_short,
-  &builtin_type_unsigned_int,
-  &builtin_type_unsigned_long,
-  &builtin_type_unsigned_long_long,
-  &builtin_type_long_double,
-  &builtin_type_complex,
-  &builtin_type_double_complex,
-  0
+  const struct builtin_type *builtin = builtin_type (gdbarch);
+  lai->string_char_type = builtin->builtin_char;
+  lai->primitive_type_vector
+    = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_c_primitive_types + 1,
+			      struct type *);
+  lai->primitive_type_vector [c_primitive_type_int] = builtin->builtin_int;
+  lai->primitive_type_vector [c_primitive_type_long] = builtin->builtin_long;
+  lai->primitive_type_vector [c_primitive_type_short] = builtin->builtin_short;
+  lai->primitive_type_vector [c_primitive_type_char] = builtin->builtin_char;
+  lai->primitive_type_vector [c_primitive_type_float] = builtin->builtin_float;
+  lai->primitive_type_vector [c_primitive_type_double] = builtin->builtin_double;
+  lai->primitive_type_vector [c_primitive_type_void] = builtin->builtin_void;
+  lai->primitive_type_vector [c_primitive_type_long_long] = builtin->builtin_long_long;
+  lai->primitive_type_vector [c_primitive_type_signed_char] = builtin->builtin_signed_char;
+  lai->primitive_type_vector [c_primitive_type_unsigned_char] = builtin->builtin_unsigned_char;
+  lai->primitive_type_vector [c_primitive_type_unsigned_short] = builtin->builtin_unsigned_short;
+  lai->primitive_type_vector [c_primitive_type_unsigned_int] = builtin->builtin_unsigned_int;
+  lai->primitive_type_vector [c_primitive_type_unsigned_long] = builtin->builtin_unsigned_long;
+  lai->primitive_type_vector [c_primitive_type_unsigned_long_long] = builtin->builtin_unsigned_long_long;
+  lai->primitive_type_vector [c_primitive_type_long_double] = builtin->builtin_long_double;
+  lai->primitive_type_vector [c_primitive_type_complex] = builtin->builtin_complex;
+  lai->primitive_type_vector [c_primitive_type_double_complex] = builtin->builtin_double_complex;
 };
 
-const struct language_defn c_language_defn = {
+const struct language_defn c_language_defn =
+{
   "c",				/* Language name */
   language_c,
-  c_builtin_types,
+  NULL,
   range_check_off,
   type_check_off,
-  c_parse,
+  case_sensitive_on,
+  array_row_major,
+  &exp_descriptor_standard,
+  c_preprocess_and_parse,
   c_error,
-  evaluate_subexp_standard,
+  null_post_parser,
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
@@ -430,18 +583,23 @@ const struct language_defn c_language_defn = {
   c_print_type,			/* Print a type using appropriate syntax */
   c_val_print,			/* Print a value using appropriate syntax */
   c_value_print,		/* Print a top-level value */
-  {"",     "",    "",  ""},	/* Binary format info */
-  {"0%lo",  "0",   "o", ""},	/* Octal format info */
-  {"%ld",   "",    "d", ""},	/* Decimal format info */
-  {"0x%lx", "0x",  "x", ""},	/* Hex format info */
+  NULL,				/* Language specific skip_trampoline */
+  NULL,				/* value_of_this */
+  basic_lookup_symbol_nonlocal,	/* lookup_symbol_nonlocal */
+  basic_lookup_transparent_type,/* lookup_transparent_type */
+  NULL,				/* Language specific symbol demangler */
+  NULL,				/* Language specific class_name_from_physname */
   c_op_print_tab,		/* expression operators for printing */
   1,				/* c-style arrays */
   0,				/* String lower bound */
-  &builtin_type_char,		/* Type of string elements */ 
+  NULL,
+  default_word_break_characters,
+  c_language_arch_info,
+  default_print_array_index,
   LANG_MAGIC
 };
 
-struct type ** const (cplus_builtin_types[]) = 
+struct type **const (cplus_builtin_types[]) =
 {
   &builtin_type_int,
   &builtin_type_long,
@@ -464,15 +622,19 @@ struct type ** const (cplus_builtin_types[]) =
   0
 };
 
-const struct language_defn cplus_language_defn = {
-  "c++",				/* Language name */
+const struct language_defn cplus_language_defn =
+{
+  "c++",			/* Language name */
   language_cplus,
   cplus_builtin_types,
   range_check_off,
   type_check_off,
-  c_parse,
+  case_sensitive_on,
+  array_row_major,
+  &exp_descriptor_standard,
+  c_preprocess_and_parse,
   c_error,
-  evaluate_subexp_standard,
+  null_post_parser,
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
@@ -480,26 +642,76 @@ const struct language_defn cplus_language_defn = {
   c_print_type,			/* Print a type using appropriate syntax */
   c_val_print,			/* Print a value using appropriate syntax */
   c_value_print,		/* Print a top-level value */
-  {"",      "",    "",   ""},	/* Binary format info */
-  {"0%lo",   "0",   "o",  ""},	/* Octal format info */
-  {"%ld",    "",    "d",  ""},	/* Decimal format info */
-  {"0x%lx",  "0x",  "x",  ""},	/* Hex format info */
+  NULL,				/* Language specific skip_trampoline */
+  value_of_this,		/* value_of_this */
+  cp_lookup_symbol_nonlocal,	/* lookup_symbol_nonlocal */
+  cp_lookup_transparent_type,   /* lookup_transparent_type */
+  cplus_demangle,		/* Language specific symbol demangler */
+  cp_class_name_from_physname,  /* Language specific class_name_from_physname */
   c_op_print_tab,		/* expression operators for printing */
   1,				/* c-style arrays */
   0,				/* String lower bound */
-  &builtin_type_char,		/* Type of string elements */ 
+  &builtin_type_char,		/* Type of string elements */
+  default_word_break_characters,
+  NULL, /* FIXME: la_language_arch_info.  */
+  default_print_array_index,
   LANG_MAGIC
 };
 
-const struct language_defn asm_language_defn = {
+const struct language_defn asm_language_defn =
+{
   "asm",			/* Language name */
   language_asm,
-  c_builtin_types,
+  NULL,
+  range_check_off,
+  type_check_off,
+  case_sensitive_on,
+  array_row_major,
+  &exp_descriptor_standard,
+  c_preprocess_and_parse,
+  c_error,
+  null_post_parser,
+  c_printchar,			/* Print a character constant */
+  c_printstr,			/* Function to print string constant */
+  c_emit_char,			/* Print a single char */
+  c_create_fundamental_type,	/* Create fundamental type in this language */
+  c_print_type,			/* Print a type using appropriate syntax */
+  c_val_print,			/* Print a value using appropriate syntax */
+  c_value_print,		/* Print a top-level value */
+  NULL,				/* Language specific skip_trampoline */
+  NULL,				/* value_of_this */
+  basic_lookup_symbol_nonlocal,	/* lookup_symbol_nonlocal */
+  basic_lookup_transparent_type,/* lookup_transparent_type */
+  NULL,				/* Language specific symbol demangler */
+  NULL,				/* Language specific class_name_from_physname */
+  c_op_print_tab,		/* expression operators for printing */
+  1,				/* c-style arrays */
+  0,				/* String lower bound */
+  NULL,
+  default_word_break_characters,
+  c_language_arch_info, /* FIXME: la_language_arch_info.  */
+  default_print_array_index,
+  LANG_MAGIC
+};
+
+/* The following language_defn does not represent a real language.
+   It just provides a minimal support a-la-C that should allow users
+   to do some simple operations when debugging applications that use
+   a language currently not supported by GDB.  */
+
+const struct language_defn minimal_language_defn =
+{
+  "minimal",			/* Language name */
+  language_minimal,
+  NULL,
   range_check_off,
   type_check_off,
-  c_parse,
+  case_sensitive_on,
+  array_row_major,
+  &exp_descriptor_standard,
+  c_preprocess_and_parse,
   c_error,
-  evaluate_subexp_standard,
+  null_post_parser,
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
@@ -507,21 +719,27 @@ const struct language_defn asm_language_defn = {
   c_print_type,			/* Print a type using appropriate syntax */
   c_val_print,			/* Print a value using appropriate syntax */
   c_value_print,		/* Print a top-level value */
-  {"",     "",    "",  ""},	/* Binary format info */
-  {"0%lo",  "0",   "o", ""},	/* Octal format info */
-  {"%ld",   "",    "d", ""},	/* Decimal format info */
-  {"0x%lx", "0x",  "x", ""},	/* Hex format info */
+  NULL,				/* Language specific skip_trampoline */
+  NULL,				/* value_of_this */
+  basic_lookup_symbol_nonlocal,	/* lookup_symbol_nonlocal */
+  basic_lookup_transparent_type,/* lookup_transparent_type */
+  NULL,				/* Language specific symbol demangler */
+  NULL,				/* Language specific class_name_from_physname */
   c_op_print_tab,		/* expression operators for printing */
   1,				/* c-style arrays */
   0,				/* String lower bound */
-  &builtin_type_char,		/* Type of string elements */ 
+  NULL,
+  default_word_break_characters,
+  c_language_arch_info,
+  default_print_array_index,
   LANG_MAGIC
 };
 
 void
-_initialize_c_language ()
+_initialize_c_language (void)
 {
   add_language (&c_language_defn);
   add_language (&cplus_language_defn);
   add_language (&asm_language_defn);
+  add_language (&minimal_language_defn);
 }