/* C language support routines for GDB, the GNU debugger.
- Copyright (C) 1992-2019 Free Software Foundation, Inc.
+ Copyright (C) 1992-2020 Free Software Foundation, Inc.
This file is part of GDB.
that would do the wrong thing. */
while (elttype)
{
- const char *name = TYPE_NAME (elttype);
+ const char *name = elttype->name ();
- if (TYPE_CODE (elttype) == TYPE_CODE_CHAR || !name)
+ if (elttype->code () == TYPE_CODE_CHAR || !name)
{
result = C_CHAR;
goto done;
goto done;
}
- if (TYPE_CODE (elttype) != TYPE_CODE_TYPEDEF)
+ if (elttype->code () != TYPE_CODE_TYPEDEF)
break;
/* Call for side effects. */
if (element_type == NULL)
goto error;
- if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
+ if (type->code () == TYPE_CODE_ARRAY)
{
/* 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
- && TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) == TYPE_CODE_RANGE)
+ if (type->num_fields () == 1
+ && TYPE_FIELD_TYPE (type, 0)->code () == TYPE_CODE_RANGE)
{
LONGEST low_bound, high_bound;
else
fetchlimit = UINT_MAX;
}
- else if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ else if (type->code () == TYPE_CODE_PTR)
fetchlimit = UINT_MAX;
else
/* We work only with arrays and pointers. */
avoids running off the end of the value's contents. */
if ((VALUE_LVAL (value) == not_lval
|| VALUE_LVAL (value) == lval_internalvar
- || TYPE_CODE (type) == TYPE_CODE_ARRAY)
+ || type->code () == TYPE_CODE_ARRAY)
&& fetchlimit != UINT_MAX
&& (*length < 0 || *length <= fetchlimit))
{
if (*length >= 0)
i = *length;
else
- /* Otherwise, look for a null character. */
- for (i = 0; i < fetchlimit; i++)
+ /* Otherwise, look for a null character. */
+ for (i = 0; i < fetchlimit; i++)
if (extract_unsigned_integer (contents + i * width,
width, byte_order) == 0)
- break;
+ break;
/* I is now either a user-defined length, the number of non-null
- characters, or FETCHLIMIT. */
+ characters, or FETCHLIMIT. */
*length = i * width;
buffer->reset ((gdb_byte *) xmalloc (*length));
memcpy (buffer->get (), contents, *length);
c_style_arrays is false, so we handle that specially
here. */
CORE_ADDR addr;
- if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
+ if (type->code () == TYPE_CODE_ARRAY)
{
if (VALUE_LVAL (value) != lval_memory)
error (_("Attempt to take address of value "
exp->gdbarch);
break;
case C_WIDE_STRING:
- type = lookup_typename (exp->language_defn, exp->gdbarch,
- "wchar_t", NULL, 0);
+ type = lookup_typename (exp->language_defn, "wchar_t", NULL, 0);
break;
case C_STRING_16:
- type = lookup_typename (exp->language_defn, exp->gdbarch,
- "char16_t", NULL, 0);
+ type = lookup_typename (exp->language_defn, "char16_t", NULL, 0);
break;
case C_STRING_32:
- type = lookup_typename (exp->language_defn, exp->gdbarch,
- "char32_t", NULL, 0);
+ type = lookup_typename (exp->language_defn, "char32_t", NULL, 0);
break;
default:
internal_error (__FILE__, __LINE__, _("unhandled c_string_type"));
/* If the caller expects an array of some integral type,
satisfy them. If something odder is expected, rely on the
caller to cast. */
- if (expect_type && TYPE_CODE (expect_type) == TYPE_CODE_ARRAY)
+ if (expect_type && expect_type->code () == TYPE_CODE_ARRAY)
{
struct type *element_type
= check_typedef (TYPE_TARGET_TYPE (expect_type));
- if (TYPE_CODE (element_type) == TYPE_CODE_INT
- || TYPE_CODE (element_type) == TYPE_CODE_CHAR)
+ if (element_type->code () == TYPE_CODE_INT
+ || element_type->code () == TYPE_CODE_CHAR)
{
type = element_type;
satisfy_expected = 1;
c_is_string_type_p (struct type *type)
{
type = check_typedef (type);
- while (TYPE_CODE (type) == TYPE_CODE_REF)
+ while (type->code () == TYPE_CODE_REF)
{
type = TYPE_TARGET_TYPE (type);
type = check_typedef (type);
}
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_ARRAY:
{
".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",
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_print_typedef, /* Print a typedef using appropriate syntax */
- c_val_print, /* Print a value using appropriate syntax */
+ c_value_print_inner, /* la_value_print_inner */
c_value_print, /* Print a top-level value */
- default_read_var_value, /* la_read_var_value */
NULL, /* Language specific skip_trampoline */
NULL, /* name_of_this */
true, /* la_store_sym_names_in_linkage_form_p */
0, /* String lower bound */
default_word_break_characters,
default_collect_symbol_completion_matches,
- c_language_arch_info,
- default_print_array_index,
- default_pass_by_reference,
c_watch_location_expression,
NULL, /* la_get_symbol_name_matcher */
iterate_over_symbols,
"{...}" /* 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. */ }
+
+ /* See language.h. */
+ void language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const override
+ {
+ c_language_arch_info (gdbarch, lai);
+ }
+};
+
+/* 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,
nr_cplus_primitive_types
};
-static void
-cplus_language_arch_info (struct gdbarch *gdbarch,
- struct language_arch_info *lai)
-{
- const struct builtin_type *builtin = builtin_type (gdbarch);
-
- lai->string_char_type = builtin->builtin_char;
- lai->primitive_type_vector
- = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1,
- struct type *);
- lai->primitive_type_vector [cplus_primitive_type_int]
- = builtin->builtin_int;
- lai->primitive_type_vector [cplus_primitive_type_long]
- = builtin->builtin_long;
- lai->primitive_type_vector [cplus_primitive_type_short]
- = builtin->builtin_short;
- lai->primitive_type_vector [cplus_primitive_type_char]
- = builtin->builtin_char;
- lai->primitive_type_vector [cplus_primitive_type_float]
- = builtin->builtin_float;
- lai->primitive_type_vector [cplus_primitive_type_double]
- = builtin->builtin_double;
- lai->primitive_type_vector [cplus_primitive_type_void]
- = builtin->builtin_void;
- lai->primitive_type_vector [cplus_primitive_type_long_long]
- = builtin->builtin_long_long;
- lai->primitive_type_vector [cplus_primitive_type_signed_char]
- = builtin->builtin_signed_char;
- lai->primitive_type_vector [cplus_primitive_type_unsigned_char]
- = builtin->builtin_unsigned_char;
- lai->primitive_type_vector [cplus_primitive_type_unsigned_short]
- = builtin->builtin_unsigned_short;
- lai->primitive_type_vector [cplus_primitive_type_unsigned_int]
- = builtin->builtin_unsigned_int;
- lai->primitive_type_vector [cplus_primitive_type_unsigned_long]
- = builtin->builtin_unsigned_long;
- lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long]
- = builtin->builtin_unsigned_long_long;
- lai->primitive_type_vector [cplus_primitive_type_long_double]
- = builtin->builtin_long_double;
- lai->primitive_type_vector [cplus_primitive_type_complex]
- = builtin->builtin_complex;
- lai->primitive_type_vector [cplus_primitive_type_double_complex]
- = builtin->builtin_double_complex;
- lai->primitive_type_vector [cplus_primitive_type_bool]
- = builtin->builtin_bool;
- lai->primitive_type_vector [cplus_primitive_type_decfloat]
- = builtin->builtin_decfloat;
- lai->primitive_type_vector [cplus_primitive_type_decdouble]
- = builtin->builtin_decdouble;
- lai->primitive_type_vector [cplus_primitive_type_declong]
- = builtin->builtin_declong;
- lai->primitive_type_vector [cplus_primitive_type_char16_t]
- = builtin->builtin_char16;
- lai->primitive_type_vector [cplus_primitive_type_char32_t]
- = builtin->builtin_char32;
- lai->primitive_type_vector [cplus_primitive_type_wchar_t]
- = builtin->builtin_wchar;
-
- lai->bool_type_symbol = "bool";
- lai->bool_type_default = builtin->builtin_bool;
-}
-
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++",
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_print_typedef, /* Print a typedef using appropriate syntax */
- c_val_print, /* Print a value using appropriate syntax */
+ c_value_print_inner, /* la_value_print_inner */
c_value_print, /* Print a top-level value */
- default_read_var_value, /* la_read_var_value */
cplus_skip_trampoline, /* Language specific skip_trampoline */
"this", /* name_of_this */
false, /* la_store_sym_names_in_linkage_form_p */
0, /* String lower bound */
default_word_break_characters,
default_collect_symbol_completion_matches,
- cplus_language_arch_info,
- default_print_array_index,
- cp_pass_by_reference,
c_watch_location_expression,
cp_get_symbol_name_matcher,
iterate_over_symbols,
"{...}" /* 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. */ }
+
+ /* See language.h. */
+
+ struct language_pass_by_ref_info pass_by_reference_info
+ (struct type *type) const override
+ {
+ return cp_pass_by_reference (type);
+ }
+
+ /* See language.h. */
+ void language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const override
+ {
+ const struct builtin_type *builtin = builtin_type (gdbarch);
+
+ lai->string_char_type = builtin->builtin_char;
+ lai->primitive_type_vector
+ = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1,
+ struct type *);
+ lai->primitive_type_vector [cplus_primitive_type_int]
+ = builtin->builtin_int;
+ lai->primitive_type_vector [cplus_primitive_type_long]
+ = builtin->builtin_long;
+ lai->primitive_type_vector [cplus_primitive_type_short]
+ = builtin->builtin_short;
+ lai->primitive_type_vector [cplus_primitive_type_char]
+ = builtin->builtin_char;
+ lai->primitive_type_vector [cplus_primitive_type_float]
+ = builtin->builtin_float;
+ lai->primitive_type_vector [cplus_primitive_type_double]
+ = builtin->builtin_double;
+ lai->primitive_type_vector [cplus_primitive_type_void]
+ = builtin->builtin_void;
+ lai->primitive_type_vector [cplus_primitive_type_long_long]
+ = builtin->builtin_long_long;
+ lai->primitive_type_vector [cplus_primitive_type_signed_char]
+ = builtin->builtin_signed_char;
+ lai->primitive_type_vector [cplus_primitive_type_unsigned_char]
+ = builtin->builtin_unsigned_char;
+ lai->primitive_type_vector [cplus_primitive_type_unsigned_short]
+ = builtin->builtin_unsigned_short;
+ lai->primitive_type_vector [cplus_primitive_type_unsigned_int]
+ = builtin->builtin_unsigned_int;
+ lai->primitive_type_vector [cplus_primitive_type_unsigned_long]
+ = builtin->builtin_unsigned_long;
+ lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long]
+ = builtin->builtin_unsigned_long_long;
+ lai->primitive_type_vector [cplus_primitive_type_long_double]
+ = builtin->builtin_long_double;
+ lai->primitive_type_vector [cplus_primitive_type_complex]
+ = builtin->builtin_complex;
+ lai->primitive_type_vector [cplus_primitive_type_double_complex]
+ = builtin->builtin_double_complex;
+ lai->primitive_type_vector [cplus_primitive_type_bool]
+ = builtin->builtin_bool;
+ lai->primitive_type_vector [cplus_primitive_type_decfloat]
+ = builtin->builtin_decfloat;
+ lai->primitive_type_vector [cplus_primitive_type_decdouble]
+ = builtin->builtin_decdouble;
+ lai->primitive_type_vector [cplus_primitive_type_declong]
+ = builtin->builtin_declong;
+ lai->primitive_type_vector [cplus_primitive_type_char16_t]
+ = builtin->builtin_char16;
+ lai->primitive_type_vector [cplus_primitive_type_char32_t]
+ = builtin->builtin_char32;
+ lai->primitive_type_vector [cplus_primitive_type_wchar_t]
+ = builtin->builtin_wchar;
+
+ lai->bool_type_symbol = "bool";
+ lai->bool_type_default = builtin->builtin_bool;
+ }
+};
+
+/* 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",
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_print_typedef, /* Print a typedef using appropriate syntax */
- c_val_print, /* Print a value using appropriate syntax */
+ c_value_print_inner, /* la_value_print_inner */
c_value_print, /* Print a top-level value */
- default_read_var_value, /* la_read_var_value */
NULL, /* Language specific skip_trampoline */
NULL, /* name_of_this */
true, /* la_store_sym_names_in_linkage_form_p */
0, /* String lower bound */
default_word_break_characters,
default_collect_symbol_completion_matches,
- c_language_arch_info, /* FIXME: la_language_arch_info. */
- default_print_array_index,
- default_pass_by_reference,
c_watch_location_expression,
NULL, /* la_get_symbol_name_matcher */
iterate_over_symbols,
"{...}" /* 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. */ }
+
+ /* See language.h.
+
+ FIXME: Should this have its own arch info method? */
+ void language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const override
+ {
+ c_language_arch_info (gdbarch, lai);
+ }
+};
+
+/* 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",
c_emit_char, /* Print a single char */
c_print_type, /* Print a type using appropriate syntax */
c_print_typedef, /* Print a typedef using appropriate syntax */
- c_val_print, /* Print a value using appropriate syntax */
+ c_value_print_inner, /* la_value_print_inner */
c_value_print, /* Print a top-level value */
- default_read_var_value, /* la_read_var_value */
NULL, /* Language specific skip_trampoline */
NULL, /* name_of_this */
true, /* la_store_sym_names_in_linkage_form_p */
0, /* String lower bound */
default_word_break_characters,
default_collect_symbol_completion_matches,
- c_language_arch_info,
- default_print_array_index,
- default_pass_by_reference,
c_watch_location_expression,
NULL, /* la_get_symbol_name_matcher */
iterate_over_symbols,
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. */ }
+
+ /* See language.h. */
+ void language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const override
+ {
+ c_language_arch_info (gdbarch, lai);
+ }
+};
+
+/* The single instance of the minimal language class. */
+static minimal_language minimal_language_defn;
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