/* Go language support routines for GDB, the GNU debugger.
- Copyright (C) 2012-2020 Free Software Foundation, Inc.
+ Copyright (C) 2012-2021 Free Software Foundation, Inc.
This file is part of GDB.
if (type->num_fields () == 2)
{
- struct type *type0 = TYPE_FIELD_TYPE (type, 0);
- struct type *type1 = TYPE_FIELD_TYPE (type, 1);
+ struct type *type0 = type->field (0).type ();
+ struct type *type1 = type->field (1).type ();
type0 = check_typedef (type0);
type1 = check_typedef (type1);
return GO_TYPE_NONE;
}
-/* Return true if TYPE is a string. */
-
-static bool
-go_is_string_type_p (struct type *type)
-{
- type = check_typedef (type);
- return (type->code () == TYPE_CODE_STRUCT
- && go_classify_struct_type (type) == GO_TYPE_STRING);
-}
-
/* Subroutine of unpack_mangled_go_symbol to simplify it.
Given "[foo.]bar.baz", store "bar" in *PACKAGEP and "baz" in *OBJECTP.
We stomp on the last '.' to nul-terminate "bar".
thus not too much effort is currently put into it. */
char *
-go_demangle (const char *mangled_name, int options)
+go_language::demangle_symbol (const char *mangled_name, int options) const
{
struct obstack tempbuf;
char *result;
return result;
}
-/* la_sniff_from_mangled_name for Go. */
-
-static int
-go_sniff_from_mangled_name (const char *mangled, char **demangled)
-{
- *demangled = go_demangle (mangled, 0);
- return *demangled != NULL;
-}
-
/* Given a Go symbol, return its package or NULL if unknown.
Space for the result is malloc'd, caller must free. */
return NULL;
}
-/* Table mapping opcodes into strings for printing operators
- and precedences of the operators.
- TODO(dje): &^ ? */
+/* See language.h. */
-static const struct op_print go_op_print_tab[] =
-{
- {",", BINOP_COMMA, PREC_COMMA, 0},
- {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
- {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
- {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
- {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
- {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
- {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
- {"==", BINOP_EQUAL, PREC_EQUAL, 0},
- {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
- {"<=", BINOP_LEQ, PREC_ORDER, 0},
- {">=", BINOP_GEQ, PREC_ORDER, 0},
- {">", BINOP_GTR, PREC_ORDER, 0},
- {"<", BINOP_LESS, PREC_ORDER, 0},
- {">>", BINOP_RSH, PREC_SHIFT, 0},
- {"<<", BINOP_LSH, PREC_SHIFT, 0},
- {"+", BINOP_ADD, PREC_ADD, 0},
- {"-", BINOP_SUB, PREC_ADD, 0},
- {"*", BINOP_MUL, PREC_MUL, 0},
- {"/", BINOP_DIV, PREC_MUL, 0},
- {"%", BINOP_REM, PREC_MUL, 0},
- {"@", BINOP_REPEAT, PREC_REPEAT, 0},
- {"-", UNOP_NEG, PREC_PREFIX, 0},
- {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
- {"^", UNOP_COMPLEMENT, PREC_PREFIX, 0},
- {"*", UNOP_IND, PREC_PREFIX, 0},
- {"&", UNOP_ADDR, PREC_PREFIX, 0},
- {"unsafe.Sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
- {"++", UNOP_POSTINCREMENT, PREC_SUFFIX, 0},
- {"--", UNOP_POSTDECREMENT, PREC_SUFFIX, 0},
- {NULL, OP_NULL, PREC_SUFFIX, 0}
-};
-
-enum go_primitive_types {
- go_primitive_type_void,
- go_primitive_type_char,
- go_primitive_type_bool,
- go_primitive_type_int,
- go_primitive_type_uint,
- go_primitive_type_uintptr,
- go_primitive_type_int8,
- go_primitive_type_int16,
- go_primitive_type_int32,
- go_primitive_type_int64,
- go_primitive_type_uint8,
- go_primitive_type_uint16,
- go_primitive_type_uint32,
- go_primitive_type_uint64,
- go_primitive_type_float32,
- go_primitive_type_float64,
- go_primitive_type_complex64,
- go_primitive_type_complex128,
- nr_go_primitive_types
-};
-
-/* Constant data that describes the Go language. */
-
-extern const struct language_data go_language_data =
-{
- "go",
- "Go",
- language_go,
- range_check_off,
- case_sensitive_on,
- array_row_major,
- macro_expansion_no,
- NULL,
- &exp_descriptor_c,
- go_parse,
- null_post_parser,
- c_printchar, /* Print a character constant. */
- c_printstr, /* Function to print string constant. */
- c_emit_char, /* Print a single char. */
- go_print_type, /* Print a type using appropriate syntax. */
- c_print_typedef, /* Print a typedef using appropriate
- syntax. */
- go_value_print_inner, /* la_value_print_inner */
- c_value_print, /* Print a top-level value. */
- NULL, /* Language specific skip_trampoline. */
- NULL, /* name_of_this */
- false, /* la_store_sym_names_in_linkage_form_p */
- basic_lookup_symbol_nonlocal,
- go_demangle, /* Language specific symbol demangler. */
- go_sniff_from_mangled_name,
- NULL, /* Language specific
- class_name_from_physname. */
- go_op_print_tab, /* Expression operators for printing. */
- 1, /* C-style arrays. */
- 0, /* String lower bound. */
- default_word_break_characters,
- default_collect_symbol_completion_matches,
- c_watch_location_expression,
- NULL, /* la_get_symbol_name_matcher */
- iterate_over_symbols,
- default_search_name_hash,
- &default_varobj_ops,
- NULL,
- NULL,
- go_is_string_type_p,
- "{...}" /* la_struct_too_deep_ellipsis */
-};
-
-/* Class representing the Go language. */
-
-class go_language : public language_defn
+void
+go_language::language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai) const
{
-public:
- go_language ()
- : language_defn (language_go, go_language_data)
- { /* Nothing. */ }
-
- /* See language.h. */
- void language_arch_info (struct gdbarch *gdbarch,
- struct language_arch_info *lai) const override
+ const struct builtin_go_type *builtin = builtin_go_type (gdbarch);
+
+ /* Helper function to allow shorter lines below. */
+ auto add = [&] (struct type * t) -> struct type *
{
- const struct builtin_go_type *builtin = builtin_go_type (gdbarch);
-
- lai->string_char_type = builtin->builtin_char;
-
- lai->primitive_type_vector
- = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_go_primitive_types + 1,
- struct type *);
-
- lai->primitive_type_vector [go_primitive_type_void]
- = builtin->builtin_void;
- lai->primitive_type_vector [go_primitive_type_char]
- = builtin->builtin_char;
- lai->primitive_type_vector [go_primitive_type_bool]
- = builtin->builtin_bool;
- lai->primitive_type_vector [go_primitive_type_int]
- = builtin->builtin_int;
- lai->primitive_type_vector [go_primitive_type_uint]
- = builtin->builtin_uint;
- lai->primitive_type_vector [go_primitive_type_uintptr]
- = builtin->builtin_uintptr;
- lai->primitive_type_vector [go_primitive_type_int8]
- = builtin->builtin_int8;
- lai->primitive_type_vector [go_primitive_type_int16]
- = builtin->builtin_int16;
- lai->primitive_type_vector [go_primitive_type_int32]
- = builtin->builtin_int32;
- lai->primitive_type_vector [go_primitive_type_int64]
- = builtin->builtin_int64;
- lai->primitive_type_vector [go_primitive_type_uint8]
- = builtin->builtin_uint8;
- lai->primitive_type_vector [go_primitive_type_uint16]
- = builtin->builtin_uint16;
- lai->primitive_type_vector [go_primitive_type_uint32]
- = builtin->builtin_uint32;
- lai->primitive_type_vector [go_primitive_type_uint64]
- = builtin->builtin_uint64;
- lai->primitive_type_vector [go_primitive_type_float32]
- = builtin->builtin_float32;
- lai->primitive_type_vector [go_primitive_type_float64]
- = builtin->builtin_float64;
- lai->primitive_type_vector [go_primitive_type_complex64]
- = builtin->builtin_complex64;
- lai->primitive_type_vector [go_primitive_type_complex128]
- = builtin->builtin_complex128;
-
- lai->bool_type_symbol = "bool";
- lai->bool_type_default = builtin->builtin_bool;
- }
-};
+ lai->add_primitive_type (t);
+ return t;
+ };
+
+ add (builtin->builtin_void);
+ add (builtin->builtin_char);
+ add (builtin->builtin_bool);
+ add (builtin->builtin_int);
+ add (builtin->builtin_uint);
+ add (builtin->builtin_uintptr);
+ add (builtin->builtin_int8);
+ add (builtin->builtin_int16);
+ add (builtin->builtin_int32);
+ add (builtin->builtin_int64);
+ add (builtin->builtin_uint8);
+ add (builtin->builtin_uint16);
+ add (builtin->builtin_uint32);
+ add (builtin->builtin_uint64);
+ add (builtin->builtin_float32);
+ add (builtin->builtin_float64);
+ add (builtin->builtin_complex64);
+ add (builtin->builtin_complex128);
+
+ lai->set_string_char_type (builtin->builtin_char);
+ lai->set_bool_type (builtin->builtin_bool, "bool");
+}
/* Single instance of the Go language class. */
projects / deliverable / binutils-gdb.git / blobdiff