/*
 *  Specmaker - A Wine DLL tool
 *
 *  Copyright 2000 Jon Griffiths
 *
 *  References:
 *  DLL symbol extraction based on file format from alib (anthonyw.cjb.net).
 *
 *  Option processing shamelessly cadged from winebuild (www.winehq.com).
 *
 *  All the cool functionality (prototyping, call tracing, forwarding)
 *  relies on Patrik Stridvall's 'function_grep.pl' script to work.
 *
 *  http://msdn.microsoft.com/library/periodic/period96/msj/S330.htm
 *  This article provides both a description and freely downloadble
 *  implementation, in source code form, of how to extract symbols
 *  from Win32 PE executables/DLL's.
 *
 *  http://www.kegel.com/mangle.html
 *  Gives information on the name mangling scheme used by MS compilers,
 *  used as the starting point for the code here. Contains a few
 *  mistakes and some incorrect assumptions, but the lists of types
 *  are pure gold.
 */
#ifndef __WINE_SPECMAKER_H
#define __WINE_SPECMAKER_H

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>
#include <stdarg.h>

/* Argument type constants */
#define MAX_FUNCTION_ARGS   32

#define ARG_VOID            0x0
#define ARG_STRING          0x1
#define ARG_WIDE_STRING     0x2
#define ARG_POINTER         0x3
#define ARG_LONG            0x4
#define ARG_DOUBLE          0x5
#define ARG_STRUCT          0x6 /* By value */
#define ARG_FLOAT           0x7
#define ARG_VARARGS         0x8

/* Compound type flags */
#define CT_BY_REFERENCE     0x1
#define CT_VOLATILE         0x2
#define CT_CONST            0x4
#define CT_EXTENDED         0x8

/* symbol flags */
#define SYM_CDECL           0x1
#define SYM_STDCALL         0x2
#define SYM_THISCALL        0x4
#define SYM_DATA            0x8 /* Data, not a function */

/* Structure holding a parsed symbol */
typedef struct __parsed_symbol
{
  char *symbol;
  int   ordinal;
  char *return_text;
  char  return_type;
  char *function_name;
  unsigned int varargs;
  unsigned int argc;
  unsigned int flags;
  char  arg_type [MAX_FUNCTION_ARGS];
  char  arg_flag [MAX_FUNCTION_ARGS];
  char *arg_text [MAX_FUNCTION_ARGS];
  char *arg_name [MAX_FUNCTION_ARGS];
} parsed_symbol;

/* All globals */
typedef struct __globals
{
  /* Options */
  int   do_code;           /* -c, -t, -f */
  int   do_trace;          /* -t, -f */
  int   do_cdecl;          /* -C */
  int   do_quiet;          /* -q */
  int   do_verbose;        /* -v */
  int   do_documentation;  /* -D */
  int   do_demangle;       /* -S */

  /* Option arguments */
  int   start_ordinal;     /* -s */
  int   end_ordinal;       /* -e */
  const char *directory;   /* -I */
  const char *input_name;  /* -d */
  const char *forward_dll; /* -f */
  const char *dll_name;    /* -o */
  char *uc_dll_name;       /* -o */
  int   do_ordinals;
} _globals;

extern _globals globals;

/* Names to use for output DLL */
#define OUTPUT_DLL_NAME \
          (globals.dll_name ? globals.dll_name : globals.input_name)
#define OUTPUT_UC_DLL_NAME globals.uc_dll_name

/* Verbosity levels */
#define QUIET   (globals.do_quiet)
#define NORMAL  (!QUIET)
#define VERBOSE (globals.do_verbose)

/* Default calling convention */
#define CALLING_CONVENTION (globals.do_cdecl ? SYM_CDECL : SYM_STDCALL)


/* DLL functions */
void  dll_open (const char *dll_name);

int dll_next_symbol (parsed_symbol * sym);

/* Symbol functions */
int   symbol_demangle (parsed_symbol *symbol);

int   symbol_search (parsed_symbol *symbol);

void  symbol_clear(parsed_symbol *sym);

int   symbol_is_valid_c(const parsed_symbol *sym);

const char *symbol_get_call_convention(const parsed_symbol *sym);

const char *symbol_get_spec_type (const parsed_symbol *sym, size_t arg);

void  symbol_clean_string (const char *string);

int   symbol_get_type (const char *string);

/* Output functions */
void  output_spec_preamble (void);

void  output_spec_symbol (const parsed_symbol *sym);

void  output_header_preamble (void);

void  output_header_symbol (const parsed_symbol *sym);

void  output_c_preamble (void);

void  output_c_symbol (const parsed_symbol *sym);

void  output_prototype (FILE *file, const parsed_symbol *sym);

void  output_makefile (void);

void  output_install_script (void);

/* Misc functions */
char *str_create (size_t num_str, ...);

char *str_create_num (size_t num_str, int num, ...);

char *str_substring(const char *start, const char *end);

char *str_replace (char *str, const char *oldstr, const char *newstr);

const char *str_match (const char *str, const char *match, int *found);

const char *str_find_set (const char *str, const char *findset);

char *str_toupper (char *str);

FILE *open_file (const char *name, const char *ext, const char *mode);

#ifdef __GNUC__
void  do_usage (void) __attribute__ ((noreturn));
#else
void  do_usage (void);
#endif

void  fatal (const char *message);


#endif /* __WINE_SPECMAKER_H */