/* Fortran language support routines for GDB, the GNU debugger.
- Copyright (C) 1993-2019 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
Contributed by Motorola. Adapted from the C parser by Farooq Butt
(fmbutt@engage.sps.mot.com).
/* Local functions */
-static void f_printchar (int c, struct type *type, struct ui_file * stream);
-static void f_emit_char (int c, struct type *type,
- struct ui_file * stream, int quoter);
-
/* Return the encoding that should be used for the character type
TYPE. */
return encoding;
}
-/* Print the character C on STREAM as part of the contents of a literal
- string whose delimiter is QUOTER. Note that that format for printing
- characters and strings is language specific.
- FIXME: This is a copy of the same function from c-exp.y. It should
- be replaced with a true F77 version. */
-
-static void
-f_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
-{
- const char *encoding = f_get_encoding (type);
-
- generic_emit_char (c, type, stream, quoter, encoding);
-}
-
-/* Implementation of la_printchar. */
-
-static void
-f_printchar (int c, struct type *type, struct ui_file *stream)
-{
- fputs_filtered ("'", stream);
- LA_EMIT_CHAR (c, type, stream, '\'');
- fputs_filtered ("'", stream);
-}
-
-/* Print the character string STRING, printing at most LENGTH characters.
- Printing stops early if the number hits print_max; repeat counts
- are printed as appropriate. Print ellipses at the end if we
- had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
- FIXME: This is a copy of the same function from c-exp.y. It should
- be replaced with a true F77 version. */
-
-static void
-f_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
- unsigned int length, const char *encoding, int force_ellipses,
- const struct value_print_options *options)
-{
- const char *type_encoding = f_get_encoding (type);
-
- if (TYPE_LENGTH (type) == 4)
- fputs_filtered ("4_", stream);
-
- if (!encoding || !*encoding)
- encoding = type_encoding;
-
- generic_printstr (stream, type, string, length, encoding,
- force_ellipses, '\'', 0, options);
-}
\f
/* Table of operators and their precedences for printing expressions. */
nr_f_primitive_types
};
-static void
-f_language_arch_info (struct gdbarch *gdbarch,
- struct language_arch_info *lai)
-{
- const struct builtin_f_type *builtin = builtin_f_type (gdbarch);
-
- lai->string_char_type = builtin->builtin_character;
- lai->primitive_type_vector
- = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_f_primitive_types + 1,
- struct type *);
-
- lai->primitive_type_vector [f_primitive_type_character]
- = builtin->builtin_character;
- lai->primitive_type_vector [f_primitive_type_logical]
- = builtin->builtin_logical;
- lai->primitive_type_vector [f_primitive_type_logical_s1]
- = builtin->builtin_logical_s1;
- lai->primitive_type_vector [f_primitive_type_logical_s2]
- = builtin->builtin_logical_s2;
- lai->primitive_type_vector [f_primitive_type_logical_s8]
- = builtin->builtin_logical_s8;
- lai->primitive_type_vector [f_primitive_type_real]
- = builtin->builtin_real;
- lai->primitive_type_vector [f_primitive_type_real_s8]
- = builtin->builtin_real_s8;
- lai->primitive_type_vector [f_primitive_type_real_s16]
- = builtin->builtin_real_s16;
- lai->primitive_type_vector [f_primitive_type_complex_s8]
- = builtin->builtin_complex_s8;
- lai->primitive_type_vector [f_primitive_type_complex_s16]
- = builtin->builtin_complex_s16;
- lai->primitive_type_vector [f_primitive_type_void]
- = builtin->builtin_void;
-
- lai->bool_type_symbol = "logical";
- lai->bool_type_default = builtin->builtin_logical_s2;
-}
-
-/* Remove the modules separator :: from the default break list. */
-
-static const char *
-f_word_break_characters (void)
-{
- static char *retval;
-
- if (!retval)
- {
- char *s;
-
- retval = xstrdup (default_word_break_characters ());
- s = strchr (retval, ':');
- if (s)
- {
- char *last_char = &s[strlen (s) - 1];
-
- *s = *last_char;
- *last_char = 0;
- }
- }
- return retval;
-}
-
-/* Consider the modules separator :: as a valid symbol name character
- class. */
-
-static void
-f_collect_symbol_completion_matches (completion_tracker &tracker,
- complete_symbol_mode mode,
- symbol_name_match_type compare_name,
- const char *text, const char *word,
- enum type_code code)
-{
- default_collect_symbol_completion_matches_break_on (tracker, mode,
- compare_name,
- text, word, ":", code);
-}
-
/* Special expression evaluation cases for Fortran. */
-struct value *
+
+static struct value *
evaluate_subexp_f (struct type *expect_type, struct expression *exp,
int *pos, enum noside noside)
{
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
type = value_type (arg1);
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_FLT:
{
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
type = value_type (arg1);
- if (TYPE_CODE (type) != TYPE_CODE (value_type (arg2)))
+ if (type->code () != value_type (arg2)->code ())
error (_("non-matching types for parameters to MOD ()"));
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_FLT:
{
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
type = value_type (arg1);
- if (TYPE_CODE (type) != TYPE_CODE_FLT)
+ if (type->code () != TYPE_CODE_FLT)
error (_("argument to CEILING must be of type float"));
double val
= target_float_to_host_double (value_contents (arg1),
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
type = value_type (arg1);
- if (TYPE_CODE (type) != TYPE_CODE_FLT)
+ if (type->code () != TYPE_CODE_FLT)
error (_("argument to FLOOR must be of type float"));
double val
= target_float_to_host_double (value_contents (arg1),
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
type = value_type (arg1);
- if (TYPE_CODE (type) != TYPE_CODE (value_type (arg2)))
+ if (type->code () != value_type (arg2)->code ())
error (_("non-matching types for parameters to MODULO ()"));
/* MODULO(A, P) = A - FLOOR (A / P) * P */
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_INT:
{
arg1 = evaluate_subexp (NULL, exp, pos, EVAL_AVOID_SIDE_EFFECTS);
type = value_type (arg1);
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
return value_from_longest (builtin_type (exp->gdbarch)->builtin_int,
TYPE_LENGTH (type));
return value_from_longest (builtin_type (exp->gdbarch)->builtin_int,
- TYPE_LENGTH (TYPE_TARGET_TYPE(type)));
+ TYPE_LENGTH (TYPE_TARGET_TYPE (type)));
}
/* Should be unreachable. */
return nullptr;
}
-/* Return true if TYPE is a string. */
-
-static bool
-f_is_string_type_p (struct type *type)
-{
- type = check_typedef (type);
- return (TYPE_CODE (type) == TYPE_CODE_STRING
- || (TYPE_CODE (type) == TYPE_CODE_ARRAY
- && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CHAR));
-}
-
/* Special expression lengths for Fortran. */
static void
evaluate_subexp_f
};
-extern const struct language_defn f_language_defn =
+/* Constant data that describes the Fortran language. */
+
+extern const struct language_data f_language_data =
{
"fortran",
"Fortran",
macro_expansion_no,
f_extensions,
&exp_descriptor_f,
- f_parse, /* parser */
- null_post_parser,
- f_printchar, /* Print character constant */
- f_printstr, /* function to print string constant */
- f_emit_char, /* Function to print a single character */
- f_print_type, /* Print a type using appropriate syntax */
- f_print_typedef, /* Print a typedef using appropriate syntax */
- f_val_print, /* Print a value using appropriate syntax */
- c_value_print, /* FIXME */
- default_read_var_value, /* la_read_var_value */
- NULL, /* Language specific skip_trampoline */
NULL, /* name_of_this */
false, /* la_store_sym_names_in_linkage_form_p */
- cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
- basic_lookup_transparent_type,/* lookup_transparent_type */
-
- /* We could support demangling here to provide module namespaces
- also for inferiors with only minimal symbol table (ELF symbols).
- Just the mangling standard is not standardized across compilers
- and there is no DW_AT_producer available for inferiors with only
- the ELF symbols to check the mangling kind. */
- NULL, /* Language specific symbol demangler */
- NULL,
- NULL, /* Language specific
- class_name_from_physname */
f_op_print_tab, /* expression operators for printing */
0, /* arrays are first-class (not c-style) */
1, /* String lower bound */
- f_word_break_characters,
- f_collect_symbol_completion_matches,
- f_language_arch_info,
- default_print_array_index,
- default_pass_by_reference,
- c_watch_location_expression,
- cp_get_symbol_name_matcher, /* la_get_symbol_name_matcher */
- iterate_over_symbols,
- cp_search_name_hash,
&default_varobj_ops,
- NULL,
- NULL,
- f_is_string_type_p,
"(...)" /* la_struct_too_deep_ellipsis */
};
+/* Class representing the Fortran language. */
+
+class f_language : public language_defn
+{
+public:
+ f_language ()
+ : language_defn (language_fortran, f_language_data)
+ { /* Nothing. */ }
+
+ /* See language.h. */
+ void language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const override
+ {
+ const struct builtin_f_type *builtin = builtin_f_type (gdbarch);
+
+ lai->string_char_type = builtin->builtin_character;
+ lai->primitive_type_vector
+ = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_f_primitive_types + 1,
+ struct type *);
+
+ lai->primitive_type_vector [f_primitive_type_character]
+ = builtin->builtin_character;
+ lai->primitive_type_vector [f_primitive_type_logical]
+ = builtin->builtin_logical;
+ lai->primitive_type_vector [f_primitive_type_logical_s1]
+ = builtin->builtin_logical_s1;
+ lai->primitive_type_vector [f_primitive_type_logical_s2]
+ = builtin->builtin_logical_s2;
+ lai->primitive_type_vector [f_primitive_type_logical_s8]
+ = builtin->builtin_logical_s8;
+ lai->primitive_type_vector [f_primitive_type_real]
+ = builtin->builtin_real;
+ lai->primitive_type_vector [f_primitive_type_real_s8]
+ = builtin->builtin_real_s8;
+ lai->primitive_type_vector [f_primitive_type_real_s16]
+ = builtin->builtin_real_s16;
+ lai->primitive_type_vector [f_primitive_type_complex_s8]
+ = builtin->builtin_complex_s8;
+ lai->primitive_type_vector [f_primitive_type_complex_s16]
+ = builtin->builtin_complex_s16;
+ lai->primitive_type_vector [f_primitive_type_void]
+ = builtin->builtin_void;
+
+ lai->bool_type_symbol = "logical";
+ lai->bool_type_default = builtin->builtin_logical_s2;
+ }
+
+ /* See language.h. */
+ unsigned int search_name_hash (const char *name) const override
+ {
+ return cp_search_name_hash (name);
+ }
+
+ /* See language.h. */
+
+ char *demangle (const char *mangled, int options) const override
+ {
+ /* We could support demangling here to provide module namespaces
+ also for inferiors with only minimal symbol table (ELF symbols).
+ Just the mangling standard is not standardized across compilers
+ and there is no DW_AT_producer available for inferiors with only
+ the ELF symbols to check the mangling kind. */
+ return nullptr;
+ }
+
+ /* See language.h. */
+
+ void print_type (struct type *type, const char *varstring,
+ struct ui_file *stream, int show, int level,
+ const struct type_print_options *flags) const override
+ {
+ f_print_type (type, varstring, stream, show, level, flags);
+ }
+
+ /* See language.h. This just returns default set of word break
+ characters but with the modules separator `::' removed. */
+
+ const char *word_break_characters (void) const override
+ {
+ static char *retval;
+
+ if (!retval)
+ {
+ char *s;
+
+ retval = xstrdup (language_defn::word_break_characters ());
+ s = strchr (retval, ':');
+ if (s)
+ {
+ char *last_char = &s[strlen (s) - 1];
+
+ *s = *last_char;
+ *last_char = 0;
+ }
+ }
+ return retval;
+ }
+
+
+ /* See language.h. */
+
+ void collect_symbol_completion_matches (completion_tracker &tracker,
+ complete_symbol_mode mode,
+ symbol_name_match_type name_match_type,
+ const char *text, const char *word,
+ enum type_code code) const override
+ {
+ /* Consider the modules separator :: as a valid symbol name character
+ class. */
+ default_collect_symbol_completion_matches_break_on (tracker, mode,
+ name_match_type,
+ text, word, ":",
+ code);
+ }
+
+ /* See language.h. */
+
+ void value_print_inner
+ (struct value *val, struct ui_file *stream, int recurse,
+ const struct value_print_options *options) const override
+ {
+ return f_value_print_inner (val, stream, recurse, options);
+ }
+
+ /* See language.h. */
+
+ struct block_symbol lookup_symbol_nonlocal
+ (const char *name, const struct block *block,
+ const domain_enum domain) const override
+ {
+ return cp_lookup_symbol_nonlocal (this, name, block, domain);
+ }
+
+ /* See language.h. */
+
+ int parser (struct parser_state *ps) const override
+ {
+ return f_parse (ps);
+ }
+
+ /* See language.h. */
+
+ void emitchar (int ch, struct type *chtype,
+ struct ui_file *stream, int quoter) const override
+ {
+ const char *encoding = f_get_encoding (chtype);
+ generic_emit_char (ch, chtype, stream, quoter, encoding);
+ }
+
+ /* See language.h. */
+
+ void printchar (int ch, struct type *chtype,
+ struct ui_file *stream) const override
+ {
+ fputs_filtered ("'", stream);
+ LA_EMIT_CHAR (ch, chtype, stream, '\'');
+ fputs_filtered ("'", stream);
+ }
+
+ /* See language.h. */
+
+ void printstr (struct ui_file *stream, struct type *elttype,
+ const gdb_byte *string, unsigned int length,
+ const char *encoding, int force_ellipses,
+ const struct value_print_options *options) const override
+ {
+ const char *type_encoding = f_get_encoding (elttype);
+
+ if (TYPE_LENGTH (elttype) == 4)
+ fputs_filtered ("4_", stream);
+
+ if (!encoding || !*encoding)
+ encoding = type_encoding;
+
+ generic_printstr (stream, elttype, string, length, encoding,
+ force_ellipses, '\'', 0, options);
+ }
+
+ /* See language.h. */
+
+ void print_typedef (struct type *type, struct symbol *new_symbol,
+ struct ui_file *stream) const override
+ {
+ f_print_typedef (type, new_symbol, stream);
+ }
+
+ /* See language.h. */
+
+ bool is_string_type_p (struct type *type) const override
+ {
+ type = check_typedef (type);
+ return (type->code () == TYPE_CODE_STRING
+ || (type->code () == TYPE_CODE_ARRAY
+ && TYPE_TARGET_TYPE (type)->code () == TYPE_CODE_CHAR));
+ }
+
+protected:
+
+ /* See language.h. */
+
+ symbol_name_matcher_ftype *get_symbol_name_matcher_inner
+ (const lookup_name_info &lookup_name) const override
+ {
+ return cp_get_symbol_name_matcher (lookup_name);
+ }
+};
+
+/* Single instance of the Fortran language class. */
+
+static f_language f_language_defn;
+
static void *
build_fortran_types (struct gdbarch *gdbarch)
{
= arch_type (gdbarch, TYPE_CODE_ERROR, 128, "real*16");
builtin_f_type->builtin_complex_s8
- = arch_complex_type (gdbarch, "complex*8",
- builtin_f_type->builtin_real);
+ = init_complex_type ("complex*8", builtin_f_type->builtin_real);
builtin_f_type->builtin_complex_s16
- = arch_complex_type (gdbarch, "complex*16",
- builtin_f_type->builtin_real_s8);
- builtin_f_type->builtin_complex_s32
- = arch_complex_type (gdbarch, "complex*32",
- builtin_f_type->builtin_real_s16);
+ = init_complex_type ("complex*16", builtin_f_type->builtin_real_s8);
+
+ if (builtin_f_type->builtin_real_s16->code () == TYPE_CODE_ERROR)
+ builtin_f_type->builtin_complex_s32
+ = arch_type (gdbarch, TYPE_CODE_ERROR, 256, "complex*32");
+ else
+ builtin_f_type->builtin_complex_s32
+ = init_complex_type ("complex*32", builtin_f_type->builtin_real_s16);
return builtin_f_type;
}
return (const struct builtin_f_type *) gdbarch_data (gdbarch, f_type_data);
}
+void _initialize_f_language ();
void
-_initialize_f_language (void)
+_initialize_f_language ()
{
f_type_data = gdbarch_data_register_post_init (build_fortran_types);
}
struct type *
fortran_preserve_arg_pointer (struct value *arg, struct type *type)
{
- if (TYPE_CODE (value_type (arg)) == TYPE_CODE_PTR)
+ if (value_type (arg)->code () == TYPE_CODE_PTR)
return value_type (arg);
return type;
}
projects / deliverable / binutils-gdb.git / blobdiff