gdb/go-lang.h

   1 /* Go language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 2012-2020 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 "gdbtypes.h"
  26 #include "symtab.h"
  27 #include "value.h"
  28
  29 struct parser_state;
  30
  31 struct builtin_go_type
  32 {
  33   struct type *builtin_void;
  34   struct type *builtin_char;
  35   struct type *builtin_bool;
  36   struct type *builtin_int;
  37   struct type *builtin_uint;
  38   struct type *builtin_uintptr;
  39   struct type *builtin_int8;
  40   struct type *builtin_int16;
  41   struct type *builtin_int32;
  42   struct type *builtin_int64;
  43   struct type *builtin_uint8;
  44   struct type *builtin_uint16;
  45   struct type *builtin_uint32;
  46   struct type *builtin_uint64;
  47   struct type *builtin_float32;
  48   struct type *builtin_float64;
  49   struct type *builtin_complex64;
  50   struct type *builtin_complex128;
  51 };
  52
  53 enum go_type
  54 {
  55   GO_TYPE_NONE, /* Not a Go object.  */
  56   GO_TYPE_STRING
  57 };
  58
  59 /* Defined in go-lang.c.  */
  60
  61 extern const char *go_main_name (void);
  62
  63 extern enum go_type go_classify_struct_type (struct type *type);
  64
  65 extern char *go_symbol_package_name (const struct symbol *sym);
  66
  67 extern char *go_block_package_name (const struct block *block);
  68
  69 extern const struct builtin_go_type *builtin_go_type (struct gdbarch *);
  70
  71 /* Class representing the Go language.  */
  72
  73 class go_language : public language_defn
  74 {
  75 public:
  76   go_language ()
  77     : language_defn (language_go)
  78   { /* Nothing.  */ }
  79
  80   /* See language.h.  */
  81
  82   const char *name () const override
  83   { return "go"; }
  84
  85   /* See language.h.  */
  86
  87   const char *natural_name () const override
  88   { return "Go"; }
  89
  90   /* See language.h.  */
  91
  92   void language_arch_info (struct gdbarch *gdbarch,
  93                            struct language_arch_info *lai) const override;
  94
  95   /* See language.h.  */
  96
  97   bool sniff_from_mangled_name (const char *mangled,
  98                                 char **demangled) const override
  99   {
 100     *demangled = demangle_symbol (mangled, 0);
 101     return *demangled != NULL;
 102   }
 103
 104   /* See language.h.  */
 105
 106   char *demangle_symbol (const char *mangled, int options) const override;
 107
 108   /* See language.h.  */
 109
 110   void print_type (struct type *type, const char *varstring,
 111                    struct ui_file *stream, int show, int level,
 112                    const struct type_print_options *flags) const override;
 113
 114   /* See language.h.  */
 115
 116   void value_print_inner
 117         (struct value *val, struct ui_file *stream, int recurse,
 118          const struct value_print_options *options) const override;
 119
 120   /* See language.h.  */
 121
 122   int parser (struct parser_state *ps) const override;
 123
 124   /* See language.h.  */
 125
 126   bool is_string_type_p (struct type *type) const override
 127   {
 128     type = check_typedef (type);
 129     return (type->code () == TYPE_CODE_STRUCT
 130             && go_classify_struct_type (type) == GO_TYPE_STRING);
 131   }
 132
 133   /* See language.h.  */
 134
 135   bool store_sym_names_in_linkage_form_p () const override
 136   { return true; }
 137
 138   /* See language.h.  */
 139
 140   const struct exp_descriptor *expression_ops () const override;
 141
 142   /* See language.h.  */
 143
 144   const struct op_print *opcode_print_table () const override
 145   { return op_print_tab; }
 146
 147 private:
 148
 149   /* Table of opcode data for use by OPCODE_PRINT_TABLE member function.  */
 150
 151   static const struct op_print op_print_tab[];
 152
 153 };
 154
 155 #endif /* !defined (GO_LANG_H) */