gcc/c-pretty-print.h

   1 /* Various declarations for the C and C++ pretty-printers.
   2    Copyright (C) 2002 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 2, 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 COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22 #include "tree.h"
  23 #include "c-common.h"
  24 #include "pretty-print.h"
  25
  26
  27 /* The data type used to bundle information necessary for pretty-printing
  28    a C or C++ entity.  */
  29 typedef struct c_pretty_print_info c_pretty_print_info;
  30
  31 /* The type of a C pretty-printer 'member' function.  */
  32 typedef void (*c_pretty_print_fn) PARAMS ((c_pretty_print_info *, tree));
  33
  34 struct c_pretty_print_info
  35 {
  36   struct pretty_print_info base;
  37   /* Points to the first element of an array of offset-list.
  38      Not used yet.  */
  39   int *offset_list;
  40
  41   /* These must be overriden by each of the C and C++ front-end to
  42      reflect their understanding of syntatic productions when they differ.  */
  43   c_pretty_print_fn declaration;
  44   c_pretty_print_fn declaration_specifiers;
  45   c_pretty_print_fn type_specifier;
  46   c_pretty_print_fn declarator;
  47   c_pretty_print_fn direct_declarator;
  48   c_pretty_print_fn parameter_declaration;
  49   c_pretty_print_fn type_id;
  50
  51   c_pretty_print_fn statement;
  52
  53   c_pretty_print_fn primary_expression;
  54   c_pretty_print_fn postfix_expression;
  55   c_pretty_print_fn unary_expression;
  56   c_pretty_print_fn initializer;
  57   c_pretty_print_fn multiplicative_expression;
  58   c_pretty_print_fn conditional_expression;
  59   c_pretty_print_fn assignment_expression;
  60 };
  61
  62 #define pp_buffer(PPI) (PPI)->base.buffer
  63 #define pp_c_left_paren(PPI)             \
  64    do {                                  \
  65      pp_left_paren (PPI);                \
  66      (PPI)->base.padding = pp_none;      \
  67    } while (0)
  68 #define pp_c_right_paren(PPI)            \
  69    do {                                  \
  70      pp_right_paren (PPI);               \
  71      (PPI)->base.padding = pp_none;      \
  72    } while (0)
  73 #define pp_c_left_bracket(PPI)           \
  74    do {                                  \
  75      pp_left_bracket (PPI);              \
  76      (PPI)->base.padding = pp_none;      \
  77    } while (0)
  78 #define pp_c_right_bracket(PPI)          \
  79    do {                                  \
  80      pp_right_bracket (PPI);             \
  81      (PPI)->base.padding = pp_none;      \
  82    } while (0)
  83 #define pp_c_whitespace(PPI)             \
  84    do {                                  \
  85      pp_whitespace (PPI);                \
  86      (PPI)->base.padding = pp_none;      \
  87    } while (0)
  88 #define pp_c_maybe_whitespace(PPI)       \
  89    do {                                  \
  90      if ((PPI)->base.padding != pp_none) \
  91        pp_c_whitespace (PPI);            \
  92    } while (0)
  93 #define pp_c_identifier(PPI, ID)         \
  94    do {                                  \
  95      pp_c_maybe_whitespace (PPI);        \
  96      pp_identifier (PPI, ID);            \
  97      (PPI)->base.padding = pp_before;    \
  98    } while (0)
  99
 100 #define pp_c_tree_identifier(PPI, ID)    \
 101    pp_c_identifier (PPI, IDENTIFIER_POINTER (ID))
 102
 103
 104 #define pp_declaration(PPI, T)            (*(PPI)->declaration) (PPI, T)
 105 #define pp_declaration_specifiers(PPI, D) \
 106    (*(PPI)->declaration_specifiers) (PPI, D)
 107 #define pp_type_specifier(PPI, D)         (*(PPI)->type_specifier) (PPI, D)
 108 #define pp_declarator(PPI, D)             (*(PPI)->declarator) (PPI, D)
 109 #define pp_direct_declarator(PPI, D)      (*(PPI)->direct_declarator) (PPI, D)
 110 #define pp_parameter_declaration(PPI, T)  \
 111   (*(PPI)->parameter_declaration) (PPI, T)
 112 #define pp_type_id(PPI, D)                (*(PPI)->type_id) (PPI, D)
 113
 114 #define pp_statement(PPI, S)              (*(PPI)->statement) (PPI, S)
 115
 116 #define pp_primary_expression(PPI, E)     (*(PPI)->primary_expression) (PPI, E)
 117 #define pp_postfix_expression(PPI, E)     (*(PPI)->postfix_expression) (PPI, E)
 118 #define pp_unary_expression(PPI, E)       (*(PPI)->unary_expression) (PPI, E)
 119 #define pp_initializer(PPI, E)            (*(PPI)->initializer) (PPI, E)
 120 #define pp_multiplicative_expression(PPI, E)\
 121    (*(PPI)->multiplicative_expression) (PPI, E)
 122 #define pp_conditional_expression(PPI, E)  \
 123    (*(PPI)->conditional_expression) (PPI, E)
 124 #define pp_assignment_expression(PPI, E)  \
 125    (*(PPI)->assignment_expression) (PPI, E)
 126
 127
 128 /* Declarations.  */
 129 void pp_c_cv_qualifier PARAMS ((c_pretty_print_info *, int));
 130 void pp_c_parameter_declaration_clause PARAMS ((c_pretty_print_info *, tree));
 131 void pp_c_declaration PARAMS ((c_pretty_print_info *, tree));
 132 void pp_c_statement PARAMS ((c_pretty_print_info *, tree));
 133 void pp_c_expression PARAMS ((c_pretty_print_info *, tree));
 134 /* Statements.  */
 135 void pp_c_statement PARAMS ((c_pretty_print_info *, tree));
 136 /* Expressions.  */
 137 void pp_c_expression PARAMS ((c_pretty_print_info *, tree));
 138 void pp_c_logical_or_expression PARAMS ((c_pretty_print_info *, tree));
 139 void pp_c_expression_list PARAMS ((c_pretty_print_info *, tree));
 140 void pp_c_cast_expression PARAMS ((c_pretty_print_info *, tree));
 141 void pp_c_postfix_expression PARAMS ((c_pretty_print_info *, tree));
 142 void pp_c_initializer PARAMS ((c_pretty_print_info *, tree));
 143 void pp_c_literal PARAMS ((c_pretty_print_info *, tree));