1 /* Go language support definitions for GDB, the GNU debugger. 2 3 Copyright (C) 2012-2024 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #if !defined (GO_LANG_H) 21 #define GO_LANG_H 1 22 23 struct type_print_options; 24 25 #include "language.h" 26 #include "gdbtypes.h" 27 #include "symtab.h" 28 #include "value.h" 29 30 struct parser_state; 31 32 struct builtin_go_type 33 { 34 struct type *builtin_void = nullptr; 35 struct type *builtin_char = nullptr; 36 struct type *builtin_bool = nullptr; 37 struct type *builtin_int = nullptr; 38 struct type *builtin_uint = nullptr; 39 struct type *builtin_uintptr = nullptr; 40 struct type *builtin_int8 = nullptr; 41 struct type *builtin_int16 = nullptr; 42 struct type *builtin_int32 = nullptr; 43 struct type *builtin_int64 = nullptr; 44 struct type *builtin_uint8 = nullptr; 45 struct type *builtin_uint16 = nullptr; 46 struct type *builtin_uint32 = nullptr; 47 struct type *builtin_uint64 = nullptr; 48 struct type *builtin_float32 = nullptr; 49 struct type *builtin_float64 = nullptr; 50 struct type *builtin_complex64 = nullptr; 51 struct type *builtin_complex128 = nullptr; 52 }; 53 54 enum go_type 55 { 56 GO_TYPE_NONE, /* Not a Go object. */ 57 GO_TYPE_STRING 58 }; 59 60 /* Defined in go-lang.c. */ 61 62 extern const char *go_main_name (void); 63 64 extern enum go_type go_classify_struct_type (struct type *type); 65 66 /* Given a symbol, return its package or nullptr if unknown. */ 67 extern gdb::unique_xmalloc_ptr<char> go_symbol_package_name 68 (const struct symbol *sym); 69 70 /* Return the package that BLOCK is in, or nullptr if there isn't 71 one. */ 72 extern gdb::unique_xmalloc_ptr<char> go_block_package_name 73 (const struct block *block); 74 75 extern const struct builtin_go_type *builtin_go_type (struct gdbarch *); 76 77 /* Class representing the Go language. */ 78 79 class go_language : public language_defn 80 { 81 public: go_language()82 go_language () 83 : language_defn (language_go) 84 { /* Nothing. */ } 85 86 /* See language.h. */ 87 name()88 const char *name () const override 89 { return "go"; } 90 91 /* See language.h. */ 92 natural_name()93 const char *natural_name () const override 94 { return "Go"; } 95 96 /* See language.h. */ 97 98 void language_arch_info (struct gdbarch *gdbarch, 99 struct language_arch_info *lai) const override; 100 101 /* See language.h. */ 102 sniff_from_mangled_name(const char * mangled,gdb::unique_xmalloc_ptr<char> * demangled)103 bool sniff_from_mangled_name 104 (const char *mangled, gdb::unique_xmalloc_ptr<char> *demangled) 105 const override 106 { 107 *demangled = demangle_symbol (mangled, 0); 108 return *demangled != NULL; 109 } 110 111 /* See language.h. */ 112 113 gdb::unique_xmalloc_ptr<char> demangle_symbol (const char *mangled, 114 int options) const override; 115 116 /* See language.h. */ 117 118 void print_type (struct type *type, const char *varstring, 119 struct ui_file *stream, int show, int level, 120 const struct type_print_options *flags) const override; 121 122 /* See language.h. */ 123 124 void value_print_inner 125 (struct value *val, struct ui_file *stream, int recurse, 126 const struct value_print_options *options) const override; 127 128 /* See language.h. */ 129 130 int parser (struct parser_state *ps) const override; 131 132 /* See language.h. */ 133 is_string_type_p(struct type * type)134 bool is_string_type_p (struct type *type) const override 135 { 136 type = check_typedef (type); 137 return (type->code () == TYPE_CODE_STRUCT 138 && go_classify_struct_type (type) == GO_TYPE_STRING); 139 } 140 141 /* See language.h. */ 142 store_sym_names_in_linkage_form_p()143 bool store_sym_names_in_linkage_form_p () const override 144 { return true; } 145 }; 146 147 #endif /* !defined (GO_LANG_H) */ 148