/* Multiple source language support for GDB.
Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
#include "parser-defs.h"
#include "jv-lang.h"
#include "demangle.h"
+#include "symfile.h"
extern void _initialize_language (void);
static void unk_lang_printchar (int c, struct ui_file *stream);
-static struct type *unk_lang_create_fundamental_type (struct objfile *, int);
-
static void unk_lang_print_type (struct type *, char *, struct ui_file *,
int, int);
-static int unk_lang_value_print (struct value *, struct ui_file *, int, enum val_prettyprint);
+static int unk_lang_value_print (struct value *, struct ui_file *,
+ const struct value_print_options *);
static CORE_ADDR unk_lang_trampoline (struct frame_info *, CORE_ADDR pc);
/* Found it! Go into manual mode, and use this language. */
if (languages[i]->la_language == language_auto)
{
- /* Enter auto mode. Set to the current frame's language, if known. */
+ /* Enter auto mode. Set to the current frame's language, if
+ known, or fallback to the initial language. */
language_mode = language_mode_auto;
flang = get_frame_language ();
if (flang != language_unknown)
set_language (flang);
+ else
+ set_initial_language ();
expected_language = current_language;
return;
}
}
#endif
\f
-struct type *
-lang_bool_type (void)
-{
- struct symbol *sym;
- struct type *type;
- switch (current_language->la_language)
- {
- case language_fortran:
- sym = lookup_symbol ("logical", NULL, VAR_DOMAIN, NULL, NULL);
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return builtin_type_f_logical_s2;
- case language_cplus:
- case language_pascal:
- if (current_language->la_language==language_cplus)
- {sym = lookup_symbol ("bool", NULL, VAR_DOMAIN, NULL, NULL);}
- else
- {sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);}
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return builtin_type_bool;
- case language_java:
- sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return java_boolean_type;
- default:
- return builtin_type_int;
- }
-}
-\f
/* This page contains functions that return info about
(struct value) values used in GDB. */
return NULL;
}
+/* Return non-zero if TYPE should be passed (and returned) by
+ reference at the language level. */
+int
+language_pass_by_reference (struct type *type)
+{
+ return current_language->la_pass_by_reference (type);
+}
+
+/* Return zero; by default, types are passed by value at the language
+ level. The target ABI may pass or return some structs by reference
+ independent of this. */
+int
+default_pass_by_reference (struct type *type)
+{
+ return 0;
+}
+
/* Return the default string containing the list of characters
delimiting words. This is a reasonable default value that
most languages should be able to use. */
void
default_print_array_index (struct value *index_value, struct ui_file *stream,
- int format, enum val_prettyprint pretty)
+ const struct value_print_options *options)
{
fprintf_filtered (stream, "[");
- LA_VALUE_PRINT (index_value, stream, format, pretty);
+ LA_VALUE_PRINT (index_value, stream, options);
fprintf_filtered (stream, "] = ");
}
+void
+default_get_string (struct value *value, gdb_byte **buffer, int *length,
+ const char **charset)
+{
+ error (_("Getting a string is unsupported in this language."));
+}
+
/* Define the language that is no language. */
static int
static void
unk_lang_printstr (struct ui_file *stream, const gdb_byte *string,
- unsigned int length, int width, int force_ellipses)
+ unsigned int length, int width, int force_ellipses,
+ const struct value_print_options *options)
{
error (_("internal error - unimplemented function unk_lang_printstr called."));
}
-static struct type *
-unk_lang_create_fundamental_type (struct objfile *objfile, int typeid)
-{
- error (_("internal error - unimplemented function unk_lang_create_fundamental_type called."));
-}
-
static void
unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream,
int show, int level)
static int
unk_lang_val_print (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int format,
- int deref_ref, int recurse, enum val_prettyprint pretty)
+ struct ui_file *stream, int recurse,
+ const struct value_print_options *options)
{
error (_("internal error - unimplemented function unk_lang_val_print called."));
}
static int
-unk_lang_value_print (struct value *val, struct ui_file *stream, int format,
- enum val_prettyprint pretty)
+unk_lang_value_print (struct value *val, struct ui_file *stream,
+ const struct value_print_options *options)
{
error (_("internal error - unimplemented function unk_lang_value_print called."));
}
struct language_arch_info *lai)
{
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 *);
}
{
"unknown",
language_unknown,
- NULL,
range_check_off,
type_check_off,
- array_row_major,
case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
&exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
- unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
+ default_make_symbol_completion_list,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
LANG_MAGIC
};
{
"auto",
language_auto,
- NULL,
range_check_off,
type_check_off,
- array_row_major,
case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
&exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
- unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
+ default_make_symbol_completion_list,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
LANG_MAGIC
};
{
"local",
language_auto,
- NULL,
range_check_off,
type_check_off,
case_sensitive_on,
array_row_major,
+ macro_expansion_no,
&exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
- unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
unk_lang_trampoline, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
unk_lang_demangle, /* Language specific symbol demangler */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
+ default_make_symbol_completion_list,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
LANG_MAGIC
};
\f
{
struct language_gdbarch *ld = gdbarch_data (gdbarch,
language_gdbarch_data);
- if (ld->arch_info[la->la_language].string_char_type != NULL)
- return ld->arch_info[la->la_language].string_char_type;
- else
- return (*la->string_char_type);
+ return ld->arch_info[la->la_language].string_char_type;
}
struct type *
-language_lookup_primitive_type_by_name (const struct language_defn *la,
- struct gdbarch *gdbarch,
- const char *name)
+language_bool_type (const struct language_defn *la,
+ struct gdbarch *gdbarch)
{
struct language_gdbarch *ld = gdbarch_data (gdbarch,
language_gdbarch_data);
- if (ld->arch_info[la->la_language].primitive_type_vector != NULL)
+
+ if (ld->arch_info[la->la_language].bool_type_symbol)
{
- struct type *const *p;
- for (p = ld->arch_info[la->la_language].primitive_type_vector;
- (*p) != NULL;
- p++)
+ struct symbol *sym;
+ sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol,
+ NULL, VAR_DOMAIN, NULL);
+ if (sym)
{
- if (strcmp (TYPE_NAME (*p), name) == 0)
- return (*p);
+ struct type *type = SYMBOL_TYPE (sym);
+ if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
+ return type;
}
}
- else
+
+ return ld->arch_info[la->la_language].bool_type_default;
+}
+
+struct type *
+language_lookup_primitive_type_by_name (const struct language_defn *la,
+ struct gdbarch *gdbarch,
+ const char *name)
+{
+ struct language_gdbarch *ld = gdbarch_data (gdbarch,
+ language_gdbarch_data);
+ struct type *const *p;
+ for (p = ld->arch_info[la->la_language].primitive_type_vector;
+ (*p) != NULL;
+ p++)
{
- struct type **const *p;
- for (p = current_language->la_builtin_type_vector; *p != NULL; p++)
- {
- if (strcmp (TYPE_NAME (**p), name) == 0)
- return (**p);
- }
+ if (strcmp (TYPE_NAME (*p), name) == 0)
+ return (*p);
}
return (NULL);
}