Convert lvalue reference type check to general reference type check
[deliverable/binutils-gdb.git] / gdb / language.c
index 6a10539519f7d865942d98d798d61b5d52d04a88..119c07ecb67599876a0d0463833c6bb114b20473 100644 (file)
@@ -1,6 +1,6 @@
 /* Multiple source language support for GDB.
 
-   Copyright (C) 1991-2015 Free Software Foundation, Inc.
+   Copyright (C) 1991-2017 Free Software Foundation, Inc.
 
    Contributed by the Department of Computer Science at the State University
    of New York at Buffalo.
@@ -39,7 +39,6 @@
 #include "varobj.h"
 #include "target.h"
 #include "parser-defs.h"
-#include "jv-lang.h"
 #include "demangle.h"
 #include "symfile.h"
 #include "cp-support.h"
@@ -410,8 +409,7 @@ language_info (int quietly)
 int
 pointer_type (struct type *type)
 {
-  return TYPE_CODE (type) == TYPE_CODE_PTR ||
-    TYPE_CODE (type) == TYPE_CODE_REF;
+  return TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type);
 }
 
 \f
@@ -539,10 +537,6 @@ add_language (const struct language_defn *lang)
   /* For the "set language" command.  */
   static const char **language_names = NULL;
   /* For the "help set language" command.  */
-  char *language_set_doc = NULL;
-
-  int i;
-  struct ui_file *tmp_stream;
 
   if (lang->la_magic != LANG_MAGIC)
     {
@@ -571,48 +565,51 @@ add_language (const struct language_defn *lang)
   language_names = XRESIZEVEC (const char *, language_names,
                               languages_size + 1);
 
-  for (i = 0; i < languages_size; ++i)
+  for (int i = 0; i < languages_size; ++i)
     language_names[i] = languages[i]->la_name;
-  language_names[i] = NULL;
+  language_names[languages_size] = NULL;
+
+  /* Add the filename extensions.  */
+  if (lang->la_filename_extensions != NULL)
+    {
+      int i;
+
+      for (i = 0; lang->la_filename_extensions[i] != NULL; ++i)
+       add_filename_language (lang->la_filename_extensions[i],
+                              lang->la_language);
+    }
 
   /* Build the "help set language" docs.  */
-  tmp_stream = mem_fileopen ();
+  string_file doc;
 
-  fprintf_unfiltered (tmp_stream,
-                     _("Set the current source language.\n"
-                       "The currently understood settings are:\n\nlocal or "
-                       "auto    Automatic setting based on source file\n"));
+  doc.printf (_("Set the current source language.\n"
+               "The currently understood settings are:\n\nlocal or "
+               "auto    Automatic setting based on source file\n"));
 
-  for (i = 0; i < languages_size; ++i)
+  for (int i = 0; i < languages_size; ++i)
     {
       /* Already dealt with these above.  */
       if (languages[i]->la_language == language_unknown
          || languages[i]->la_language == language_auto)
        continue;
 
-      /* FIXME: i18n: for now assume that the human-readable name
-        is just a capitalization of the internal name.  */
-      fprintf_unfiltered (tmp_stream, "%-16s Use the %c%s language\n",
-                         languages[i]->la_name,
-                         /* Capitalize first letter of language
-                            name.  */
-                         toupper (languages[i]->la_name[0]),
-                         languages[i]->la_name + 1);
+      /* FIXME: i18n: for now assume that the human-readable name is
+        just a capitalization of the internal name.  */
+      doc.printf ("%-16s Use the %c%s language\n",
+                 languages[i]->la_name,
+                 /* Capitalize first letter of language name.  */
+                 toupper (languages[i]->la_name[0]),
+                 languages[i]->la_name + 1);
     }
 
-  language_set_doc = ui_file_xstrdup (tmp_stream, NULL);
-  ui_file_delete (tmp_stream);
-
   add_setshow_enum_cmd ("language", class_support,
                        (const char **) language_names,
                        &language,
-                       language_set_doc,
+                       doc.c_str (),
                        _("Show the current source language."),
                        NULL, set_language_command,
                        show_language_command,
                        &setlist, &showlist);
-
-  xfree (language_set_doc);
 }
 
 /* Iterate through all registered languages looking for and calling
@@ -653,6 +650,23 @@ language_demangle (const struct language_defn *current_language,
   return NULL;
 }
 
+/* See langauge.h.  */
+
+int
+language_sniff_from_mangled_name (const struct language_defn *lang,
+                                 const char *mangled, char **demangled)
+{
+  gdb_assert (lang != NULL);
+
+  if (lang->la_sniff_from_mangled_name == NULL)
+    {
+      *demangled = NULL;
+      return 0;
+    }
+
+  return lang->la_sniff_from_mangled_name (mangled, demangled);
+}
+
 /* Return class name from physname or NULL.  */
 char *
 language_class_name_from_physname (const struct language_defn *lang,
@@ -757,10 +771,10 @@ unk_lang_print_type (struct type *type, const char *varstring,
 }
 
 static void
-unk_lang_val_print (struct type *type, const gdb_byte *valaddr,
+unk_lang_val_print (struct type *type,
                    int embedded_offset, CORE_ADDR address,
                    struct ui_file *stream, int recurse,
-                   const struct value *val,
+                   struct value *val,
                    const struct value_print_options *options)
 {
   error (_("internal error - unimplemented "
@@ -815,6 +829,7 @@ const struct language_defn unknown_language_defn =
   case_sensitive_on,
   array_row_major,
   macro_expansion_no,
+  NULL,
   &exp_descriptor_standard,
   unk_lang_parser,
   unk_lang_error,
@@ -832,6 +847,7 @@ const struct language_defn unknown_language_defn =
   basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
   basic_lookup_transparent_type,/* lookup_transparent_type */
   unk_lang_demangle,           /* Language specific symbol demangler */
+  NULL,
   unk_lang_class_name,         /* Language specific
                                   class_name_from_physname */
   unk_op_print_tab,            /* expression operators for printing */
@@ -862,6 +878,7 @@ const struct language_defn auto_language_defn =
   case_sensitive_on,
   array_row_major,
   macro_expansion_no,
+  NULL,
   &exp_descriptor_standard,
   unk_lang_parser,
   unk_lang_error,
@@ -879,6 +896,7 @@ const struct language_defn auto_language_defn =
   basic_lookup_symbol_nonlocal,        /* lookup_symbol_nonlocal */
   basic_lookup_transparent_type,/* lookup_transparent_type */
   unk_lang_demangle,           /* Language specific symbol demangler */
+  NULL,
   unk_lang_class_name,         /* Language specific
                                   class_name_from_physname */
   unk_op_print_tab,            /* expression operators for printing */
@@ -907,6 +925,7 @@ const struct language_defn local_language_defn =
   case_sensitive_on,
   array_row_major,
   macro_expansion_no,
+  NULL,
   &exp_descriptor_standard,
   unk_lang_parser,
   unk_lang_error,
@@ -924,6 +943,7 @@ const struct language_defn local_language_defn =
   basic_lookup_symbol_nonlocal,        /* lookup_symbol_nonlocal */
   basic_lookup_transparent_type,/* lookup_transparent_type */
   unk_lang_demangle,           /* Language specific symbol demangler */
+  NULL,
   unk_lang_class_name,         /* Language specific
                                   class_name_from_physname */
   unk_op_print_tab,            /* expression operators for printing */
@@ -1074,9 +1094,6 @@ language_init_primitive_type_symbols (struct language_arch_info *lai,
                                      struct gdbarch *gdbarch)
 {
   int n;
-  struct compunit_symtab *cust;
-  struct symtab *symtab;
-  struct block *static_block, *global_block;
 
   gdb_assert (lai->primitive_type_vector != NULL);
 
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