+++ /dev/null
-/* $Id: mksystab.c,v 1.2 2003/12/21 20:11:46 ea Exp $
- *
- * PROJECT : ReactOS / POSIX+ Subsystem
- * DESCRIPTION: Build the system calls table for
- * DESCRIPTION: the POSIX+ LPC server process.
- * NOTE : this code is supposed to be portable.
- * AUTHOR : Emanuele Aliberti
- * DATE : 2001-05-26
- * REVISIONS
- * 2002-03-19 EA added stub file generation
- * 2002-04-06 EA added to the CVS repository
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-
-#define PARSER_CONTEXT_LINE_SIZE 1024
-#define PARSER_CONTEXT_INTERFACE_SIZE 64
-
-const char * myname = "mksystab";
-
-const char * syscall_name_prefix = "syscall_";
-const char * proxy_name_prefix = "psxss_";
-
-typedef enum {
- METHOD_SUCCESS,
- METHOD_EOF,
- METHOD_FAILURE
-} METHOD_TYPE;
-
-typedef struct _PARSER_CONTEXT
-{
- int line_number;
- int id;
- char line [PARSER_CONTEXT_LINE_SIZE];
- char status;
- char interface [PARSER_CONTEXT_INTERFACE_SIZE];
- int argc;
-
-} PARSER_CONTEXT, * PPARSER_CONTEXT;
-
-typedef struct _MFILE
-{
- char * name;
- FILE * fp;
- char * fopen_mode;
- METHOD_TYPE (*prologue)(int,PPARSER_CONTEXT);
- METHOD_TYPE (*iter)(int,PPARSER_CONTEXT);
- METHOD_TYPE (*epilog)(int,PPARSER_CONTEXT);
-
-} MFILE, * PMFILE;
-
-/* MFILE file table */
-
-METHOD_TYPE db_prologue (int self, PPARSER_CONTEXT context);
-METHOD_TYPE db_iter (int self, PPARSER_CONTEXT context);
-METHOD_TYPE db_epilog (int self, PPARSER_CONTEXT context);
-
-METHOD_TYPE systab_prologue (int self, PPARSER_CONTEXT context);
-METHOD_TYPE systab_iter (int self, PPARSER_CONTEXT context);
-METHOD_TYPE systab_epilog (int self, PPARSER_CONTEXT context);
-
-METHOD_TYPE psx_include_prologue (int self, PPARSER_CONTEXT context);
-METHOD_TYPE psx_include_iter (int self, PPARSER_CONTEXT context);
-METHOD_TYPE psx_include_epilog (int self, PPARSER_CONTEXT context);
-
-METHOD_TYPE server_include_prologue (int self, PPARSER_CONTEXT context);
-METHOD_TYPE server_include_iter (int self, PPARSER_CONTEXT context);
-METHOD_TYPE server_include_epilog (int self, PPARSER_CONTEXT context);
-
-METHOD_TYPE stubs_prologue (int self, PPARSER_CONTEXT context);
-METHOD_TYPE stubs_iter (int self, PPARSER_CONTEXT context);
-METHOD_TYPE stubs_epilog (int self, PPARSER_CONTEXT context);
-
-
-MFILE mf [] =
-{
- { NULL, NULL, "r", db_prologue, db_iter, db_epilog }, /* it must be 1st */
- { NULL, NULL, "w", systab_prologue, systab_iter, systab_epilog },
- { NULL, NULL, "w", server_include_prologue, server_include_iter, server_include_epilog },
- { NULL, NULL, "w", psx_include_prologue, psx_include_iter, psx_include_epilog },
- { NULL, NULL, "w", stubs_prologue, stubs_iter, stubs_epilog }
-};
-
-
-/* mf objects methods */
-
-int mf_open (int index)
-{
- mf [index].fp = fopen (mf [index].name, mf [index].fopen_mode);
- if (NULL == mf [index].fp)
- {
- fprintf (stderr, "%s: error %d while opening \"%s\".", myname, errno, mf [index].name);
- return METHOD_FAILURE;
- }
- return METHOD_SUCCESS;
-}
-
-void mf_close (int index)
-{
- fclose (mf[index].fp);
-}
-
-/* db file methods */
-
-METHOD_TYPE db_prologue (int self, PPARSER_CONTEXT context)
-{
- if (METHOD_FAILURE == mf_open (self))
- {
- return METHOD_FAILURE;
- }
- fprintf (stderr, "Processing \"%s\"...\n", mf [self].name);
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE db_iter (int self, PPARSER_CONTEXT context)
-{
- char * eol;
-
- do
- {
- if (feof(mf [self].fp))
- {
- return METHOD_EOF;
- }
- if (NULL == fgets (context->line, PARSER_CONTEXT_LINE_SIZE, mf [self].fp))
- {
- return METHOD_EOF;
- }
- ++ context->line_number;
- eol = strchr(context->line, '\n');
- if (eol)
- {
- *eol = '\0';
- }
- /* Is line empty or a comment? */
- } while (0 == strlen (context->line) || context->line[0] == '#');
- /* Line is not a comment nor an empty line */
- if (3 != sscanf (context->line, "%c%s%d", & context->status, context->interface, & context->argc))
- {
- fprintf (stderr, "Syntax error at line %d.\n", context->line_number);
- return METHOD_FAILURE;
- }
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE db_epilog (int self, PPARSER_CONTEXT context)
-{
- mf_close (self);
- return METHOD_SUCCESS;
-}
-
-/* systab file methods */
-
-METHOD_TYPE systab_prologue (int self, PPARSER_CONTEXT context)
-{
- if (METHOD_FAILURE == mf_open (self))
- {
- return METHOD_FAILURE;
- }
- fprintf (mf[self].fp, "/* POSIX+ system calls (machine generated: do not edit!) */\n");
- fprintf (mf[self].fp, "#include <psxss.h>\n");
- fprintf (mf[self].fp, "#include <syscall.h>\n");
- fprintf (mf[self].fp, "PSX_SYSTEM_CALL SystemCall [] =\n");
- fprintf (mf[self].fp, "{\n");
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE systab_iter (int self, PPARSER_CONTEXT context)
-{
- switch (context->status)
- {
- case '+':
- case '-': /* unimplemented interface */
- fprintf (mf[self].fp, "(void*)%s%s,\n", syscall_name_prefix, context->interface);
- break;
- default:
- fprintf (stderr, "%s: unknown interface status \"%c\" at line %d.\n",
- myname, context->status, context->line_number);
- return METHOD_FAILURE;
- }
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE systab_epilog (int self, PPARSER_CONTEXT context)
-{
- fprintf (mf[self].fp, "0\n};\n");
- fprintf (mf[self].fp, "/* EOF */\n");
- return METHOD_SUCCESS;
-}
-
-
-/* server/include file methods */
-
-METHOD_TYPE server_include_prologue (int self, PPARSER_CONTEXT context)
-{
- if (METHOD_FAILURE == mf_open (self))
- {
- return METHOD_FAILURE;
- }
- fprintf (mf[self].fp, "/* POSIX+ system calls (machine generated: do not edit!) */\n");
- fprintf (mf[self].fp, "#ifndef _SERVER_SYSCALL_H\n");
- fprintf (mf[self].fp, "#define _SERVER_SYSCALL_H\n");
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE server_include_iter (int self, PPARSER_CONTEXT context)
-{
- char interface [PARSER_CONTEXT_INTERFACE_SIZE*2];
-
- sprintf (interface, "%s%s", syscall_name_prefix, context->interface);
- fprintf (mf[self].fp, "NTSTATUS STDCALL %s (PPSX_MAX_MESSAGE);\n", interface);
-
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE server_include_epilog (int self, PPARSER_CONTEXT context)
-{
- fprintf (mf[self].fp, "#endif /* ndef _SERVER_SYSCALL_H */\n");
- fprintf (mf[self].fp, "/* EOF */\n");
- return METHOD_SUCCESS;
-}
-
-
-/* psx/include file methods */
-
-METHOD_TYPE psx_include_prologue (int self, PPARSER_CONTEXT context)
-{
- if (METHOD_FAILURE == mf_open (self))
- {
- return METHOD_FAILURE;
- }
- fprintf (mf[self].fp, "/* POSIX+ system calls (machine generated: do not edit!) */\n");
- fprintf (mf[self].fp, "#ifndef _PSX_SYSCALL_H\n");
- fprintf (mf[self].fp, "#define _PSX_SYSCALL_H\n");
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE psx_include_iter (int self, PPARSER_CONTEXT context)
-{
- char interface [PARSER_CONTEXT_INTERFACE_SIZE*2];
-
- sprintf (interface, "%s%s", proxy_name_prefix, context->interface);
- fprintf (mf[self].fp, "#define %s %d\n", strupr(interface), context->id ++);
-
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE psx_include_epilog (int self, PPARSER_CONTEXT context)
-{
- fprintf (mf[self].fp, "#define PSX_SYSCALL_APIPORT_COUNT %d\n", context->id ++);
- fprintf (mf[self].fp, "#endif /* ndef _PSX_SYSCALL_H */\n");
- fprintf (mf[self].fp, "/* EOF */\n");
- return METHOD_SUCCESS;
-}
-
-
-/* stubs file methods */
-
-METHOD_TYPE stubs_prologue (int self, PPARSER_CONTEXT context)
-{
- if (METHOD_FAILURE == mf_open (self))
- {
- return METHOD_FAILURE;
- }
- fprintf( mf[self].fp,
- "/* POSIX+ system calls not yet implemented */\n"
- "/* (machine generated: do not edit!) */\n"
- "#include <psxss.h>\n");
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE stubs_iter (int self, PPARSER_CONTEXT context)
-{
- if ('-' == context->status)
- {
- fprintf (
- mf[self].fp,
- "NTSTATUS STDCALL %s%s(PPSX_MAX_MESSAGE Msg){Msg->PsxHeader.Status=STATUS_NOT_IMPLEMENTED;return(STATUS_SUCCESS);}\n",
- syscall_name_prefix,
- context->interface
- );
- }
- return METHOD_SUCCESS;
-}
-
-METHOD_TYPE stubs_epilog (int self, PPARSER_CONTEXT context)
-{
- fprintf (mf[self].fp, "/* EOF */\n");
- return METHOD_SUCCESS;
-}
-
-
-/* main loop */
-
-METHOD_TYPE mksystab ()
-{
- int index;
- int index_top = (sizeof mf / sizeof mf[0]);
- int iterate = 1;
- PARSER_CONTEXT context;
- METHOD_TYPE mt;
-
- /* initialize the parser's context */
- context.line_number = 0;
- context.id = 0;
-
- /* prologue */
- for (index = 0; index < index_top; index ++)
- {
- if (METHOD_FAILURE == mf[index].prologue (index, & context))
- {
- return METHOD_FAILURE;
- }
- }
- /* iter */
- while (iterate)
- {
- for (index = 0; index < index_top; index ++)
- {
- mt = mf[index].iter (index, & context);
- if (METHOD_EOF == mt)
- {
- if (0 == index) /* input MUST be 1st MFILE */
- {
- iterate = 0;
- break; /* input reached EOF */
- }
- return METHOD_FAILURE;
- }
- else if (METHOD_FAILURE == mt)
- {
- return METHOD_FAILURE;
- }
- }
- }
- /* epilog */
- for (index = 0; index < index_top; index ++)
- {
- if (METHOD_FAILURE == mf[index].epilog (index, & context))
- {
- return METHOD_FAILURE;
- }
- }
-
- /* done */
- return METHOD_SUCCESS;
-}
-
-/* entry point */
-
-int main (int argc, char **argv)
-{
- int status = 0;
- int index;
-
- /* Check user parameters */
- if ((1 + (sizeof mf / sizeof (MFILE))) != argc)
- {
- printf ("ReactOS Operating System - POSIX+ Environment Subsystem\n");
- printf ("Build the system calls table of the POSIX+ server.\n\n");
- printf ("usage: %s syscall.db syscall.c syscall.h syscall.h stubs.c\n", argv[0]);
- exit (METHOD_FAILURE);
- }
- /* initialize descriptors */
- for (index = 0; index < (sizeof mf / sizeof mf[0]); index ++)
- {
- mf [index].name = argv [index + 1];
- }
-
- /* do process them */
- status = mksystab ();
-
- return (status);
-}
-
-
-/* EOF */
projects / reactos.git / blobdiff