/* Various declarations for the C and C++ pretty-printers.
   Copyright (C) 2002 Free Software Foundation, Inc.
   Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

#include "tree.h"
#include "c-common.h"
#include "pretty-print.h"


/* The data type used to bundle information necessary for pretty-printing
   a C or C++ entity.  */
typedef struct c_pretty_print_info c_pretty_print_info;

/* The type of a C pretty-printer 'member' function.  */
typedef void (*c_pretty_print_fn) PARAMS ((c_pretty_print_info *, tree));

struct c_pretty_print_info
{
  struct pretty_print_info base;
  /* Points to the first element of an array of offset-list.
     Not used yet.  */
  int *offset_list;

  /* These must be overriden by each of the C and C++ front-end to
     reflect their understanding of syntatic productions when they differ.  */
  c_pretty_print_fn declaration;
  c_pretty_print_fn declaration_specifiers;
  c_pretty_print_fn type_specifier;
  c_pretty_print_fn declarator;
  c_pretty_print_fn direct_declarator;
  c_pretty_print_fn parameter_declaration;
  c_pretty_print_fn type_id;

  c_pretty_print_fn statement;

  c_pretty_print_fn primary_expression;
  c_pretty_print_fn postfix_expression;
  c_pretty_print_fn unary_expression;
  c_pretty_print_fn initializer;
  c_pretty_print_fn multiplicative_expression;
  c_pretty_print_fn conditional_expression;
  c_pretty_print_fn assignment_expression;
};

#define pp_buffer(PPI) (PPI)->base.buffer
#define pp_c_left_paren(PPI)             \
   do {                                  \
     pp_left_paren (PPI);                \
     (PPI)->base.padding = pp_none;      \
   } while (0)
#define pp_c_right_paren(PPI)            \
   do {                                  \
     pp_right_paren (PPI);               \
     (PPI)->base.padding = pp_none;      \
   } while (0)
#define pp_c_left_bracket(PPI)           \
   do {                                  \
     pp_left_bracket (PPI);              \
     (PPI)->base.padding = pp_none;      \
   } while (0)
#define pp_c_right_bracket(PPI)          \
   do {                                  \
     pp_right_bracket (PPI);             \
     (PPI)->base.padding = pp_none;      \
   } while (0)
#define pp_c_whitespace(PPI)             \
   do {                                  \
     pp_whitespace (PPI);                \
     (PPI)->base.padding = pp_none;      \
   } while (0)
#define pp_c_maybe_whitespace(PPI)       \
   do {                                  \
     if ((PPI)->base.padding != pp_none) \
       pp_c_whitespace (PPI);            \
   } while (0)
#define pp_c_identifier(PPI, ID)         \
   do {                                  \
     pp_c_maybe_whitespace (PPI);        \
     pp_identifier (PPI, ID);            \
     (PPI)->base.padding = pp_before;    \
   } while (0)
     
#define pp_c_tree_identifier(PPI, ID)    \
   pp_c_identifier (PPI, IDENTIFIER_POINTER (ID))


#define pp_declaration(PPI, T)            (*(PPI)->declaration) (PPI, T)
#define pp_declaration_specifiers(PPI, D) \
   (*(PPI)->declaration_specifiers) (PPI, D)
#define pp_type_specifier(PPI, D)         (*(PPI)->type_specifier) (PPI, D)
#define pp_declarator(PPI, D)             (*(PPI)->declarator) (PPI, D)
#define pp_direct_declarator(PPI, D)      (*(PPI)->direct_declarator) (PPI, D)
#define pp_parameter_declaration(PPI, T)  \
  (*(PPI)->parameter_declaration) (PPI, T)
#define pp_type_id(PPI, D)                (*(PPI)->type_id) (PPI, D)

#define pp_statement(PPI, S)              (*(PPI)->statement) (PPI, S)

#define pp_primary_expression(PPI, E)     (*(PPI)->primary_expression) (PPI, E)
#define pp_postfix_expression(PPI, E)     (*(PPI)->postfix_expression) (PPI, E)
#define pp_unary_expression(PPI, E)       (*(PPI)->unary_expression) (PPI, E)
#define pp_initializer(PPI, E)            (*(PPI)->initializer) (PPI, E)
#define pp_multiplicative_expression(PPI, E)\
   (*(PPI)->multiplicative_expression) (PPI, E)
#define pp_conditional_expression(PPI, E)  \
   (*(PPI)->conditional_expression) (PPI, E)
#define pp_assignment_expression(PPI, E)  \
   (*(PPI)->assignment_expression) (PPI, E)


/* Declarations.  */
void pp_c_cv_qualifier PARAMS ((c_pretty_print_info *, int));
void pp_c_parameter_declaration_clause PARAMS ((c_pretty_print_info *, tree));
void pp_c_declaration PARAMS ((c_pretty_print_info *, tree));
void pp_c_statement PARAMS ((c_pretty_print_info *, tree));
void pp_c_expression PARAMS ((c_pretty_print_info *, tree));
/* Statements.  */
void pp_c_statement PARAMS ((c_pretty_print_info *, tree));
/* Expressions.  */
void pp_c_expression PARAMS ((c_pretty_print_info *, tree));
void pp_c_logical_or_expression PARAMS ((c_pretty_print_info *, tree));
void pp_c_expression_list PARAMS ((c_pretty_print_info *, tree));
void pp_c_cast_expression PARAMS ((c_pretty_print_info *, tree));
void pp_c_postfix_expression PARAMS ((c_pretty_print_info *, tree));
void pp_c_initializer PARAMS ((c_pretty_print_info *, tree));
void pp_c_literal PARAMS ((c_pretty_print_info *, tree));