/* Multiple source language support for GDB.
- Copyright (C) 1991-2020 Free Software Foundation, Inc.
+ Copyright (C) 1991-2021 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
#include "c-lang.h"
#include <algorithm>
#include "gdbarch.h"
+#include "compile/compile-internal.h"
static void set_range_case (void);
}
\f
-/* Print out the current language settings: language, range and
- type checking. If QUIETLY, print only what has changed. */
+/* See language.h. */
void
-language_info (int quietly)
+language_info ()
{
- if (quietly && expected_language == current_language)
+ if (expected_language == current_language)
return;
expected_language = current_language;
printf_unfiltered (_("Current language: %s\n"), language);
show_language_command (NULL, 1, NULL, NULL);
-
- if (!quietly)
- {
- printf_unfiltered (_("Range checking: %s\n"), range);
- show_range_command (NULL, 1, NULL, NULL);
- printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive);
- show_case_command (NULL, 1, NULL, NULL);
- }
}
\f
/* See language.h. */
-void
-language_defn::printchar (int ch, struct type *chtype,
- struct ui_file * stream) const
-{
- c_printchar (ch, chtype, stream);
-}
-
-/* See language.h. */
-
void
language_defn::printstr (struct ui_file *stream, struct type *elttype,
const gdb_byte *string, unsigned int length,
return c_is_string_type_p (type);
}
+/* See language.h. */
+
+std::unique_ptr<compile_instance>
+language_defn::get_compile_instance () const
+{
+ return {};
+}
+
/* The default implementation of the get_symbol_name_matcher_inner method
from the language_defn class. Matches with strncmp_iw. */
return &c_varobj_ops;
}
-/* See language.h. */
-
-const struct exp_descriptor *
-language_defn::expression_ops () const
-{
- return &exp_descriptor_standard;
-}
-
/* Parent class for both the "auto" and "unknown" languages. These two
pseudo-languages are very similar so merging their implementations like
this makes sense. */
void language_arch_info (struct gdbarch *gdbarch,
struct language_arch_info *lai) const override
{
- lai->string_char_type = builtin_type (gdbarch)->builtin_char;
- lai->bool_type_default = builtin_type (gdbarch)->builtin_int;
- lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1,
- struct type *);
+ lai->set_string_char_type (builtin_type (gdbarch)->builtin_char);
+ lai->set_bool_type (builtin_type (gdbarch)->builtin_int);
}
/* See language.h. */
const char *name_of_this () const override
{ return "this"; }
-
- /* See language.h. */
-
- const struct op_print *opcode_print_table () const override
- {
- static const struct op_print unk_op_print_tab[] =
- {
- {NULL, OP_NULL, PREC_NULL, 0}
- };
-
- return unk_op_print_tab;
- }
};
/* Class representing the fake "auto" language. */
static void *
language_gdbarch_post_init (struct gdbarch *gdbarch)
{
- struct language_gdbarch *l;
-
- l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch);
+ struct language_gdbarch *l
+ = obstack_new<struct language_gdbarch> (gdbarch_obstack (gdbarch));
for (const auto &lang : language_defn::languages)
{
gdb_assert (lang != nullptr);
- lang->language_arch_info (gdbarch,
- l->arch_info + lang->la_language);
+ lang->language_arch_info (gdbarch, &l->arch_info[lang->la_language]);
}
return l;
}
+/* See language.h. */
+
struct type *
language_string_char_type (const struct language_defn *la,
struct gdbarch *gdbarch)
{
struct language_gdbarch *ld
= (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data);
-
- return ld->arch_info[la->la_language].string_char_type;
+ return ld->arch_info[la->la_language].string_char_type ();
}
+/* See language.h. */
+
struct type *
language_bool_type (const struct language_defn *la,
struct gdbarch *gdbarch)
{
struct language_gdbarch *ld
= (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data);
+ return ld->arch_info[la->la_language].bool_type ();
+}
- if (ld->arch_info[la->la_language].bool_type_symbol)
+/* See language.h. */
+
+struct type *
+language_arch_info::bool_type () const
+{
+ if (m_bool_type_name != nullptr)
{
struct symbol *sym;
- sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol,
- NULL, VAR_DOMAIN, NULL).symbol;
- if (sym)
+ sym = lookup_symbol (m_bool_type_name, NULL, VAR_DOMAIN, NULL).symbol;
+ if (sym != nullptr)
{
struct type *type = SYMBOL_TYPE (sym);
-
- if (type && type->code () == TYPE_CODE_BOOL)
+ if (type != nullptr && type->code () == TYPE_CODE_BOOL)
return type;
}
}
- return ld->arch_info[la->la_language].bool_type_default;
+ return m_bool_type_default;
}
-/* Helper function for primitive type lookup. */
+/* See language.h. */
-static struct type **
-language_lookup_primitive_type_1 (const struct language_arch_info *lai,
- const char *name)
+struct symbol *
+language_arch_info::type_and_symbol::alloc_type_symbol
+ (enum language lang, struct type *type)
{
- struct type **p;
+ struct symbol *symbol;
+ struct gdbarch *gdbarch;
+ gdb_assert (!type->is_objfile_owned ());
+ gdbarch = type->arch_owner ();
+ symbol = new (gdbarch_obstack (gdbarch)) struct symbol ();
+ symbol->m_name = type->name ();
+ symbol->set_language (lang, nullptr);
+ symbol->owner.arch = gdbarch;
+ SYMBOL_OBJFILE_OWNED (symbol) = 0;
+ symbol->set_section_index (0);
+ SYMBOL_TYPE (symbol) = type;
+ SYMBOL_DOMAIN (symbol) = VAR_DOMAIN;
+ SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF;
+ return symbol;
+}
- for (p = lai->primitive_type_vector; (*p) != NULL; p++)
+/* See language.h. */
+
+language_arch_info::type_and_symbol *
+language_arch_info::lookup_primitive_type_and_symbol (const char *name)
+{
+ for (struct type_and_symbol &tas : primitive_types_and_symbols)
{
- if (strcmp ((*p)->name (), name) == 0)
- return p;
+ if (strcmp (tas.type ()->name (), name) == 0)
+ return &tas;
}
- return NULL;
+
+ return nullptr;
}
/* See language.h. */
struct type *
-language_lookup_primitive_type (const struct language_defn *la,
- struct gdbarch *gdbarch,
- const char *name)
+language_arch_info::lookup_primitive_type (const char *name)
{
- struct language_gdbarch *ld =
- (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data);
- struct type **typep;
-
- typep = language_lookup_primitive_type_1 (&ld->arch_info[la->la_language],
- name);
- if (typep == NULL)
- return NULL;
- return *typep;
+ type_and_symbol *tas = lookup_primitive_type_and_symbol (name);
+ if (tas != nullptr)
+ return tas->type ();
+ return nullptr;
}
-/* Helper function for type lookup as a symbol.
- Create the symbol corresponding to type TYPE in language LANG. */
+/* See language.h. */
-static struct symbol *
-language_alloc_type_symbol (enum language lang, struct type *type)
+struct type *
+language_arch_info::lookup_primitive_type
+ (gdb::function_view<bool (struct type *)> filter)
{
- struct symbol *symbol;
- struct gdbarch *gdbarch;
-
- gdb_assert (!TYPE_OBJFILE_OWNED (type));
+ for (struct type_and_symbol &tas : primitive_types_and_symbols)
+ {
+ if (filter (tas.type ()))
+ return tas.type ();
+ }
- gdbarch = TYPE_OWNER (type).gdbarch;
- symbol = new (gdbarch_obstack (gdbarch)) struct symbol ();
+ return nullptr;
+}
- symbol->m_name = type->name ();
- symbol->set_language (lang, nullptr);
- symbol->owner.arch = gdbarch;
- SYMBOL_OBJFILE_OWNED (symbol) = 0;
- SYMBOL_SECTION (symbol) = 0;
- SYMBOL_TYPE (symbol) = type;
- SYMBOL_DOMAIN (symbol) = VAR_DOMAIN;
- SYMBOL_ACLASS_INDEX (symbol) = LOC_TYPEDEF;
+/* See language.h. */
- return symbol;
+struct symbol *
+language_arch_info::lookup_primitive_type_as_symbol (const char *name,
+ enum language lang)
+{
+ type_and_symbol *tas = lookup_primitive_type_and_symbol (name);
+ if (tas != nullptr)
+ return tas->symbol (lang);
+ return nullptr;
}
-/* Initialize the primitive type symbols of language LD.
- The primitive type vector must have already been initialized. */
+/* Helper for the language_lookup_primitive_type overloads to forward
+ to the corresponding language's lookup_primitive_type overload. */
-static void
-language_init_primitive_type_symbols (struct language_arch_info *lai,
- const struct language_defn *la,
- struct gdbarch *gdbarch)
+template<typename T>
+static struct type *
+language_lookup_primitive_type_1 (const struct language_defn *la,
+ struct gdbarch *gdbarch,
+ T arg)
{
- int n;
-
- gdb_assert (lai->primitive_type_vector != NULL);
+ struct language_gdbarch *ld =
+ (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data);
+ return ld->arch_info[la->la_language].lookup_primitive_type (arg);
+}
- for (n = 0; lai->primitive_type_vector[n] != NULL; ++n)
- continue;
+/* See language.h. */
- lai->primitive_type_symbols
- = GDBARCH_OBSTACK_CALLOC (gdbarch, n + 1, struct symbol *);
+struct type *
+language_lookup_primitive_type (const struct language_defn *la,
+ struct gdbarch *gdbarch,
+ const char *name)
+{
+ return language_lookup_primitive_type_1 (la, gdbarch, name);
+}
- for (n = 0; lai->primitive_type_vector[n] != NULL; ++n)
- {
- lai->primitive_type_symbols[n]
- = language_alloc_type_symbol (la->la_language,
- lai->primitive_type_vector[n]);
- }
+/* See language.h. */
- /* Note: The result of symbol lookup is normally a symbol *and* the block
- it was found in. Builtin types don't live in blocks. We *could* give
- them one, but there is no current need so to keep things simple symbol
- lookup is extended to allow for BLOCK_FOUND to be NULL. */
+struct type *
+language_lookup_primitive_type (const struct language_defn *la,
+ struct gdbarch *gdbarch,
+ gdb::function_view<bool (struct type *)> filter)
+{
+ return language_lookup_primitive_type_1 (la, gdbarch, filter);
}
/* See language.h. */
struct language_gdbarch *ld
= (struct language_gdbarch *) gdbarch_data (gdbarch, language_gdbarch_data);
struct language_arch_info *lai = &ld->arch_info[la->la_language];
- struct type **typep;
- struct symbol *sym;
if (symbol_lookup_debug)
- {
- fprintf_unfiltered (gdb_stdlog,
- "language_lookup_primitive_type_as_symbol"
- " (%s, %s, %s)",
- la->name (), host_address_to_string (gdbarch), name);
- }
-
- typep = language_lookup_primitive_type_1 (lai, name);
- if (typep == NULL)
- {
- if (symbol_lookup_debug)
- fprintf_unfiltered (gdb_stdlog, " = NULL\n");
- return NULL;
- }
+ fprintf_unfiltered (gdb_stdlog,
+ "language_lookup_primitive_type_as_symbol"
+ " (%s, %s, %s)",
+ la->name (), host_address_to_string (gdbarch), name);
- /* The set of symbols is lazily initialized. */
- if (lai->primitive_type_symbols == NULL)
- language_init_primitive_type_symbols (lai, la, gdbarch);
-
- sym = lai->primitive_type_symbols[typep - lai->primitive_type_vector];
+ struct symbol *sym
+ = lai->lookup_primitive_type_as_symbol (name, la->la_language);
if (symbol_lookup_debug)
fprintf_unfiltered (gdb_stdlog, " = %s\n", host_address_to_string (sym));
+
+ /* Note: The result of symbol lookup is normally a symbol *and* the block
+ it was found in. Builtin types don't live in blocks. We *could* give
+ them one, but there is no current need so to keep things simple symbol
+ lookup is extended to allow for BLOCK_FOUND to be NULL. */
+
return sym;
}
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