gcc/c-pretty-print.h

   1 /* Various declarations for the C and C++ pretty-printers.
   2    Copyright (C) 2002, 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
   3    Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_C_PRETTY_PRINTER
  22 #define GCC_C_PRETTY_PRINTER
  23
  24 #include "tree.h"
  25 #include "c-common.h"
  26 #include "pretty-print.h"
  27
  28
  29 typedef enum
  30   {
  31      pp_c_flag_abstract = 1 << 1,
  32      pp_c_flag_last_bit = 2
  33   } pp_c_pretty_print_flags;
  34
  35
  36 /* The data type used to bundle information necessary for pretty-printing
  37    a C or C++ entity.  */
  38 typedef struct c_pretty_print_info c_pretty_printer;
  39
  40 /* The type of a C pretty-printer 'member' function.  */
  41 typedef void (*c_pretty_print_fn) (c_pretty_printer *, tree);
  42
  43 /* The datatype that contains information necessary for pretty-printing
  44    a tree that represents a C construct.  Any pretty-printer for a
  45    language using C/c++ syntax can derive from this datatype and reuse
  46    facilities provided here.  It can do so by having a subobject of type
  47    c_pretty_printer and override the macro pp_c_base to return a pointer
  48    to that subobject.  Such a pretty-printer has the responsibility to
  49    initialize the pp_base() part, then call pp_c_pretty_printer_init
  50    to set up the components that are specific to the C pretty-printer.
  51    A derived pretty-printer can override any function listed in the
  52    vtable below.  See cp/cxx-pretty-print.h and cp/cxx-pretty-print.c
  53    for an example of derivation.  */
  54 struct c_pretty_print_info
  55 {
  56   pretty_printer base;
  57   /* Points to the first element of an array of offset-list.
  58      Not used yet.  */
  59   int *offset_list;
  60
  61   pp_flags flags;
  62
  63   /* These must be overridden by each of the C and C++ front-end to
  64      reflect their understanding of syntactic productions when they differ.  */
  65   c_pretty_print_fn declaration;
  66   c_pretty_print_fn declaration_specifiers;
  67   c_pretty_print_fn declarator;
  68   c_pretty_print_fn abstract_declarator;
  69   c_pretty_print_fn direct_abstract_declarator;
  70   c_pretty_print_fn type_specifier_seq;
  71   c_pretty_print_fn direct_declarator;
  72   c_pretty_print_fn ptr_operator;
  73   c_pretty_print_fn parameter_list;
  74   c_pretty_print_fn type_id;
  75   c_pretty_print_fn simple_type_specifier;
  76   c_pretty_print_fn function_specifier;
  77   c_pretty_print_fn storage_class_specifier;
  78   c_pretty_print_fn initializer;
  79
  80   c_pretty_print_fn statement;
  81
  82   c_pretty_print_fn constant;
  83   c_pretty_print_fn id_expression;
  84   c_pretty_print_fn primary_expression;
  85   c_pretty_print_fn postfix_expression;
  86   c_pretty_print_fn unary_expression;
  87   c_pretty_print_fn multiplicative_expression;
  88   c_pretty_print_fn conditional_expression;
  89   c_pretty_print_fn assignment_expression;
  90   c_pretty_print_fn expression;
  91 };
  92
  93 /* Override the pp_base macro.  Derived pretty-printers should not
  94    touch this macro.  Instead they should override pp_c_base instead.  */
  95 #undef pp_base
  96 #define pp_base(PP)  (&pp_c_base (PP)->base)
  97
  98
  99 #define pp_c_tree_identifier(PPI, ID)              \
 100    pp_c_identifier (PPI, IDENTIFIER_POINTER (ID))
 101
 102 #define pp_declaration(PPI, T)                    \
 103    pp_c_base (PPI)->declaration (pp_c_base (PPI), T)
 104 #define pp_declaration_specifiers(PPI, D)         \
 105    pp_c_base (PPI)->declaration_specifiers (pp_c_base (PPI), D)
 106 #define pp_abstract_declarator(PP, D)             \
 107    pp_c_base (PP)->abstract_declarator (pp_c_base (PP), D)
 108 #define pp_type_specifier_seq(PPI, D)             \
 109    pp_c_base (PPI)->type_specifier_seq (pp_c_base (PPI), D)
 110 #define pp_declarator(PPI, D)                     \
 111    pp_c_base (PPI)->declarator (pp_c_base (PPI), D)
 112 #define pp_direct_declarator(PPI, D)              \
 113    pp_c_base (PPI)->direct_declarator (pp_c_base (PPI), D)
 114 #define pp_direct_abstract_declarator(PP, D)      \
 115    pp_c_base (PP)->direct_abstract_declarator (pp_c_base (PP), D)
 116 #define pp_ptr_operator(PP, D)                    \
 117    pp_c_base (PP)->ptr_operator (pp_c_base (PP), D)
 118 #define pp_parameter_list(PPI, T)                 \
 119   pp_c_base (PPI)->parameter_list (pp_c_base (PPI), T)
 120 #define pp_type_id(PPI, D)                        \
 121   pp_c_base (PPI)->type_id (pp_c_base (PPI), D)
 122 #define pp_simple_type_specifier(PP, T)           \
 123   pp_c_base (PP)->simple_type_specifier (pp_c_base (PP), T)
 124 #define pp_function_specifier(PP, D)              \
 125   pp_c_base (PP)->function_specifier (pp_c_base (PP), D)
 126 #define pp_storage_class_specifier(PP, D)         \
 127   pp_c_base (PP)->storage_class_specifier (pp_c_base (PP), D);
 128
 129 #define pp_statement(PPI, S)                      \
 130   pp_c_base (PPI)->statement (pp_c_base (PPI), S)
 131
 132 #define pp_constant(PP, E) \
 133   pp_c_base (PP)->constant (pp_c_base (PP), E)
 134 #define pp_id_expression(PP, E)  \
 135   pp_c_base (PP)->id_expression (pp_c_base (PP), E)
 136 #define pp_primary_expression(PPI, E)             \
 137   pp_c_base (PPI)->primary_expression (pp_c_base (PPI), E)
 138 #define pp_postfix_expression(PPI, E)             \
 139   pp_c_base (PPI)->postfix_expression (pp_c_base (PPI), E)
 140 #define pp_unary_expression(PPI, E)               \
 141   pp_c_base (PPI)->unary_expression (pp_c_base (PPI), E)
 142 #define pp_initializer(PPI, E)                    \
 143   pp_c_base (PPI)->initializer (pp_c_base (PPI), E)
 144 #define pp_multiplicative_expression(PPI, E)      \
 145   pp_c_base (PPI)->multiplicative_expression (pp_c_base (PPI), E)
 146 #define pp_conditional_expression(PPI, E)         \
 147   pp_c_base (PPI)->conditional_expression (pp_c_base (PPI), E)
 148 #define pp_assignment_expression(PPI, E)          \
 149    pp_c_base (PPI)->assignment_expression (pp_c_base (PPI), E)
 150 #define pp_expression(PP, E)                      \
 151    pp_c_base (PP)->expression (pp_c_base (PP), E)
 152
 153
 154 /* Returns the c_pretty_printer base object of PRETTY-PRINTER.  This
 155    macro must be overridden by any subclass of c_pretty_print_info.  */
 156 #define pp_c_base(PP)  (PP)
 157
 158 extern void pp_c_pretty_printer_init (c_pretty_printer *);
 159 void pp_c_whitespace (c_pretty_printer *);
 160 void pp_c_left_paren (c_pretty_printer *);
 161 void pp_c_right_paren (c_pretty_printer *);
 162 void pp_c_left_brace (c_pretty_printer *);
 163 void pp_c_right_brace (c_pretty_printer *);
 164 void pp_c_left_bracket (c_pretty_printer *);
 165 void pp_c_right_bracket (c_pretty_printer *);
 166 void pp_c_dot (c_pretty_printer *);
 167 void pp_c_ampersand (c_pretty_printer *);
 168 void pp_c_star (c_pretty_printer *);
 169 void pp_c_arrow (c_pretty_printer *);
 170 void pp_c_semicolon (c_pretty_printer *);
 171 void pp_c_complement (c_pretty_printer *);
 172 void pp_c_exclamation (c_pretty_printer *);
 173 void pp_c_space_for_pointer_operator (c_pretty_printer *, tree);
 174
 175 /* Declarations.  */
 176 void pp_c_tree_decl_identifier (c_pretty_printer *, tree);
 177 void pp_c_function_definition (c_pretty_printer *, tree);
 178 void pp_c_attributes (c_pretty_printer *, tree);
 179 void pp_c_type_qualifier_list (c_pretty_printer *, tree);
 180 void pp_c_parameter_type_list (c_pretty_printer *, tree);
 181 void pp_c_declaration (c_pretty_printer *, tree);
 182 void pp_c_declaration_specifiers (c_pretty_printer *, tree);
 183 void pp_c_declarator (c_pretty_printer *, tree);
 184 void pp_c_direct_declarator (c_pretty_printer *, tree);
 185 void pp_c_specifier_qualifier_list (c_pretty_printer *, tree);
 186 void pp_c_function_specifier (c_pretty_printer *, tree);
 187 void pp_c_type_id (c_pretty_printer *, tree);
 188 void pp_c_direct_abstract_declarator (c_pretty_printer *, tree);
 189 void pp_c_type_specifier (c_pretty_printer *, tree);
 190 void pp_c_storage_class_specifier (c_pretty_printer *, tree);
 191 /* Statements.  */
 192 void pp_c_statement (c_pretty_printer *, tree);
 193 /* Expressions.  */
 194 void pp_c_expression (c_pretty_printer *, tree);
 195 void pp_c_logical_or_expression (c_pretty_printer *, tree);
 196 void pp_c_expression_list (c_pretty_printer *, tree);
 197 void pp_c_constructor_elts (c_pretty_printer *, VEC(constructor_elt,gc) *);
 198 void pp_c_call_argument_list (c_pretty_printer *, tree);
 199 void pp_c_unary_expression (c_pretty_printer *, tree);
 200 void pp_c_cast_expression (c_pretty_printer *, tree);
 201 void pp_c_postfix_expression (c_pretty_printer *, tree);
 202 void pp_c_primary_expression (c_pretty_printer *, tree);
 203 void pp_c_init_declarator (c_pretty_printer *, tree);
 204 void pp_c_constant (c_pretty_printer *, tree);
 205 void pp_c_id_expression (c_pretty_printer *, tree);
 206 void pp_c_ws_string (c_pretty_printer *, const char *);
 207 void pp_c_identifier (c_pretty_printer *, const char *);
 208 void pp_c_string_literal (c_pretty_printer *, tree);
 209
 210 void print_c_tree (FILE *file, tree t);
 211
 212 #endif /* GCC_C_PRETTY_PRINTER */