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/* -*- C -*-
* rpcgen - Generate XDR bindings automatically.
* Copyright (C) 2008 Red Hat Inc.
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef RPCGEN_INT_H
#define RPCGEN_INT_H
/* Current input file (updated by # line directives in the source). */
extern char *input_filename;
/* Current output file. */
extern const char *output_filename;
/* Current output mode. */
enum output_mode {
output_c = 0,
output_h = 1,
};
extern enum output_mode output_mode;
/* Abstract syntax tree types. */
enum type_enum {
type_char, type_short, type_int, type_hyper,
type_float, type_double,
type_bool,
type_ident,
};
struct type {
enum type_enum type;
int sgn; /* true if signed, false if unsigned */
char *ident;
};
extern struct type *new_type (enum type_enum, int, char *);
extern void free_type (struct type *);
enum decl_type {
decl_type_string, /* string foo<len>; (len is optional) */
decl_type_opaque_fixed, /* opaque foo[len]; */
decl_type_opaque_variable, /* opaque foo<len>; */
decl_type_simple, /* type ident; */
decl_type_fixed_array, /* type ident[len]; */
decl_type_variable_array, /* type ident<len>; (len is optional) */
decl_type_pointer, /* type *ident; */
};
struct decl {
enum decl_type decl_type;
struct type *type; /* NULL for string & opaque types. */
char *ident;
char *len;
};
extern struct decl *new_decl (enum decl_type, struct type *, char *, char *);
extern void free_decl (struct decl *);
struct enum_value {
char *ident;
char *value;
};
extern struct enum_value *new_enum_value (char *, char *);
extern void free_enum_value (struct enum_value *);
enum union_case_type {
union_case_normal, /* case const: decl; */
union_case_default_void, /* default: void; */
union_case_default_decl, /* default: decl; */
};
struct union_case {
enum union_case_type type;
char *const_;
struct decl *decl;
};
extern struct union_case *new_union_case (enum union_case_type, char *, struct decl *);
extern void free_union_case (struct union_case *);
typedef void (*free_fn) (void *);
struct cons {
struct cons *next; /* cdr/tail */
void *ptr; /* car/head */
free_fn free; /* free the head element */
};
extern struct cons *new_cons (struct cons *, void *, free_fn);
extern struct cons *list_rev (struct cons *);
extern void list_free (struct cons *);
/* Code generator functions. */
extern void gen_prologue (const char *filename);
extern void gen_epilogue (void);
extern void gen_const (const char *name, const char *value);
extern void gen_enum (const char *name, const struct cons *enum_values);
extern void gen_struct (const char *name, const struct cons *decls);
extern void gen_union (const char *name, const struct decl *discrim, const struct cons *union_cases);
extern void gen_typedef (const struct decl *decl);
/* Global functions used by the scanner. */
extern void start_string (void);
extern char *end_string (void);
extern void add_char (int);
extern void add_string (const char *);
/* These functions print an error and then exit. */
extern void error (const char *, ...)
__attribute__((noreturn, format(printf,1,2)));
extern void perrorf (const char *, ...)
__attribute__((noreturn, format(printf,1,2)));
/* Symbols exported from the scanner and parser. */
extern FILE *yyin, *yyout;
extern int yyparse (void);
extern int yylineno;
extern int yydebug;
#endif /* RPCGEN_INT_H */
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