gdb: Represent all languages as sub-classes of language_defn

[deliverable/binutils-gdb.git] / gdb / c-lang.c

diff --git a/gdb/c-lang.c b/gdb/c-lang.c
index 9d4064f152cba238f5a9db0d6bc73254eb91d57e..4dac718cbac29d924a568817da022fabf76a5278 100644 (file)
--- a/gdb/c-lang.c
+++ b/gdb/c-lang.c
@@ -84,7 +84,7 @@ classify_type (struct type *elttype, struct gdbarch *gdbarch,
      that would do the wrong thing.  */
   while (elttype)
     {
-      const char *name = TYPE_NAME (elttype);
+      const char *name = elttype->name ();
 
       if (elttype->code () == TYPE_CODE_CHAR || !name)
        {
@@ -254,7 +254,7 @@ c_get_string (struct value *value, gdb::unique_xmalloc_ptr<gdb_byte> *buffer,
     {
       /* If we know the size of the array, we can use it as a limit on
         the number of characters to be fetched.  */
-      if (TYPE_NFIELDS (type) == 1
+      if (type->num_fields () == 1
          && TYPE_FIELD_TYPE (type, 0)->code () == TYPE_CODE_RANGE)
        {
          LONGEST low_bound, high_bound;
@@ -885,7 +885,9 @@ static const char *c_extensions[] =
   ".c", NULL
 };
 
-extern const struct language_defn c_language_defn =
+/* Constant data that describes the C language.  */
+
+extern const struct language_data c_language_data =
 {
   "c",                         /* Language name */
   "C",
@@ -934,6 +936,20 @@ extern const struct language_defn c_language_defn =
   "{...}"                      /* la_struct_too_deep_ellipsis */
 };
 
+/* Class representing the C language.  */
+
+class c_language : public language_defn
+{
+public:
+  c_language ()
+    : language_defn (language_c, c_language_data)
+  { /* Nothing.  */ }
+};
+
+/* Single instance of the C language class.  */
+
+static c_language c_language_defn;
+
 enum cplus_primitive_types {
   cplus_primitive_type_int,
   cplus_primitive_type_long,
@@ -1030,7 +1046,9 @@ static const char *cplus_extensions[] =
   ".C", ".cc", ".cp", ".cpp", ".cxx", ".c++", NULL
 };
 
-extern const struct language_defn cplus_language_defn =
+/* Constant data that describes the C++ language.  */
+
+extern const struct language_data cplus_language_data =
 {
   "c++",                       /* Language name */
   "C++",
@@ -1079,12 +1097,28 @@ extern const struct language_defn cplus_language_defn =
   "{...}"                      /* la_struct_too_deep_ellipsis */
 };
 
+/* A class for the C++ language.  */
+
+class cplus_language : public language_defn
+{
+public:
+  cplus_language ()
+    : language_defn (language_cplus, cplus_language_data)
+  { /* Nothing.  */ }
+};
+
+/* The single instance of the C++ language class.  */
+
+static cplus_language cplus_language_defn;
+
 static const char *asm_extensions[] =
 {
   ".s", ".sx", ".S", NULL
 };
 
-extern const struct language_defn asm_language_defn =
+/* Constant data that describes the ASM language.  */
+
+extern const struct language_data asm_language_data =
 {
   "asm",                       /* Language name */
   "assembly",
@@ -1133,12 +1167,25 @@ extern const struct language_defn asm_language_defn =
   "{...}"                      /* la_struct_too_deep_ellipsis */
 };
 
+/* A class for the ASM language.  */
+
+class asm_language : public language_defn
+{
+public:
+  asm_language ()
+    : language_defn (language_asm, asm_language_data)
+  { /* Nothing.  */ }
+};
+
+/* The single instance of the ASM language class.  */
+static asm_language asm_language_defn;
+
 /* 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.  */
 
-extern const struct language_defn minimal_language_defn =
+extern const struct language_data minimal_language_data =
 {
   "minimal",                   /* Language name */
   "Minimal",
@@ -1186,3 +1233,16 @@ extern const struct language_defn minimal_language_defn =
   c_is_string_type_p,
   "{...}"                      /* la_struct_too_deep_ellipsis */
 };
+
+/* A class for the minimal language.  */
+
+class minimal_language : public language_defn
+{
+public:
+  minimal_language ()
+    : language_defn (language_minimal, minimal_language_data)
+  { /* Nothing.  */ }
+};
+
+/* The single instance of the minimal language class.  */
+static minimal_language minimal_language_defn;