Convert Go printing to value-based API

This introduces go_value_print_inner, a modified copy of go_val_print.
Unlike some of the other languages, Go was straightforward to convert
to the value-based API all at once, so this patch takes that approach.

gdb/ChangeLog
2020-03-13  Tom Tromey  <tom@tromey.com>

	* go-valprint.c (go_value_print_inner): New function.
	* go-lang.h (go_value_print_inner): Declare.
	* go-lang.c (go_language_defn): Use go_value_print_inner.
This commit is contained in:
Tom Tromey 2020-03-13 17:39:52 -06:00
parent 5f56f7cbd2
commit 23b0f06be4
4 changed files with 50 additions and 1 deletions

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@ -1,3 +1,9 @@
2020-03-13 Tom Tromey <tom@tromey.com>
* go-valprint.c (go_value_print_inner): New function.
* go-lang.h (go_value_print_inner): Declare.
* go-lang.c (go_language_defn): Use go_value_print_inner.
2020-03-13 Tom Tromey <tom@tromey.com>
* rust-lang.c (val_print_struct, rust_print_enum): Use the value

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@ -596,7 +596,7 @@ extern const struct language_defn go_language_defn =
c_print_typedef, /* Print a typedef using appropriate
syntax. */
go_val_print, /* Print a value using appropriate syntax. */
nullptr, /* la_value_print_inner */
go_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. */

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@ -88,4 +88,10 @@ extern void go_val_print (struct type *type,
struct value *val,
const struct value_print_options *options);
/* Implement la_value_print_inner for Go. */
extern void go_value_print_inner (struct value *value,
struct ui_file *stream, int recurse,
const struct value_print_options *options);
#endif /* !defined (GO_LANG_H) */

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@ -122,3 +122,40 @@ go_val_print (struct type *type, int embedded_offset,
break;
}
}
/* See go-lang.h. */
void
go_value_print_inner (struct value *val, struct ui_file *stream,
int recurse, const struct value_print_options *options)
{
struct type *type = check_typedef (value_type (val));
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRUCT:
{
enum go_type go_type = go_classify_struct_type (type);
switch (go_type)
{
case GO_TYPE_STRING:
if (! options->raw)
{
print_go_string (type, value_embedded_offset (val),
value_address (val),
stream, recurse, val, options);
return;
}
break;
default:
break;
}
}
/* Fall through. */
default:
c_value_print_inner (val, stream, recurse, options);
break;
}
}