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/* New main for ecpg, the PostgreSQL embedded SQL precompiler. */
/* (C) Michael Meskes <meskes@debian.org> Feb 5th, 1998 */
/* Placed under the same copyright as PostgresSQL */
#include "postgres.h"
#include <stdio.h>
#if HAVE_GETOPT_H
#include <getopt.h>
#else
#include <unistd.h>
extern int optind;
extern char *optarg;
#endif
#include <stdlib.h>
#if defined(HAVE_STRING_H)
#include <string.h>
#else
#include <strings.h>
#endif
#include "extern.h"
struct _include_path *include_paths;
int no_auto_trans = 0;
struct cursor *cur = NULL;
struct typedefs *types = NULL;
static void
usage(char *progname)
{
fprintf(stderr, "ecpg - the postgresql preprocessor, version: %d.%d.%d\n", MAJOR_VERSION, MINOR_VERSION, PATCHLEVEL);
fprintf(stderr, "Usage: %s: [-v] [-t] [-I include path] [ -o output file name] file1 [file2] ...\n", progname);
}
static void
add_include_path(char *path)
{
struct _include_path *ip = include_paths;
include_paths = mm_alloc(sizeof(struct _include_path));
include_paths->path = path;
include_paths->next = ip;
}
int
main(int argc, char *const argv[])
{
int fnr,
c,
out_option = 0;
struct _include_path *ip;
add_include_path("/usr/include");
add_include_path(INCLUDE_PATH);
add_include_path("/usr/local/include");
add_include_path(".");
while ((c = getopt(argc, argv, "vo:I:t")) != EOF)
{
switch (c)
{
case 'o':
#ifndef __CYGWIN32__
yyout = fopen(optarg, "w");
#else
yyout = fopen(optarg, "wb");
#endif
if (yyout == NULL)
perror(optarg);
else
out_option = 1;
break;
case 'I':
add_include_path(optarg);
break;
case 't':
no_auto_trans = 1;
break;
case 'v':
fprintf(stderr, "ecpg - the postgresql preprocessor, version: %d.%d.%d\n", MAJOR_VERSION, MINOR_VERSION, PATCHLEVEL);
fprintf(stderr, "exec sql include ... search starts here:\n");
for (ip = include_paths; ip != NULL; ip = ip->next)
fprintf(stderr, " %s\n", ip->path);
fprintf(stderr, "End of search list.\n");
return OK;
default:
usage(argv[0]);
return ILLEGAL_OPTION;
}
}
if (optind >= argc) /* no files specified */
{
usage(argv[0]);
return (ILLEGAL_OPTION);
}
else
{
/* after the options there must not be anything but filenames */
for (fnr = optind; fnr < argc; fnr++)
{
char *output_filename = NULL,
*ptr2ext;
input_filename = mm_alloc(strlen(argv[fnr]) + 5);
strcpy(input_filename, argv[fnr]);
ptr2ext = strrchr(input_filename, '.');
/* no extension? */
if (ptr2ext == NULL)
{
ptr2ext = input_filename + strlen(input_filename);
/* no extension => add .pgc */
ptr2ext[0] = '.';
ptr2ext[1] = 'p';
ptr2ext[2] = 'g';
ptr2ext[3] = 'c';
ptr2ext[4] = '\0';
}
if (out_option == 0)/* calculate the output name */
{
output_filename = strdup(input_filename);
ptr2ext = strrchr(output_filename, '.');
/* make extension = .c */
ptr2ext[1] = 'c';
ptr2ext[2] = '\0';
#ifndef __CYGWIN32__
yyout = fopen(output_filename, "w");
#else
yyout = fopen(output_filename, "wb");
#endif
if (yyout == NULL)
{
perror(output_filename);
free(output_filename);
free(input_filename);
continue;
}
}
#ifndef __CYGWIN32__
yyin = fopen(input_filename, "r");
#else
yyin = fopen(input_filename, "rb");
#endif
if (yyin == NULL)
perror(argv[fnr]);
else
{
struct cursor *ptr;
struct _defines *defptr;
struct typedefs *typeptr;
/* remove old cursor definitions if any are still there */
for (ptr = cur; ptr != NULL;)
{
struct cursor *this = ptr;
struct arguments *l1, *l2;
free(ptr->command);
free(ptr->name);
for (l1 = ptr->argsinsert; l1; l1 = l2)
{
l2 = l1->next;
free(l1);
}
for (l1 = ptr->argsresult; l1; l1 = l2)
{
l2 = l1->next;
free(l1);
}
ptr = ptr->next;
free(this);
}
/* remove old defines as well */
for (defptr = defines; defptr != NULL;)
{
struct _defines *this = defptr;
free(defptr->new);
free(defptr->old);
defptr = defptr->next;
free(this);
}
/* and old typedefs */
for (typeptr = types; typeptr != NULL;)
{
struct typedefs *this = typeptr;
free(typeptr->name);
free(typeptr->type);
ECPGfree_struct_member(typeptr->struct_member_list);
typeptr = typeptr->next;
free(this);
}
/* initialize lex */
lex_init();
/* we need two includes */
fprintf(yyout, "/* Processed by ecpg (%d.%d.%d) */\n/* These two include files are added by the preprocessor */\n#include <ecpgtype.h>\n#include <ecpglib.h>\n\n", MAJOR_VERSION, MINOR_VERSION, PATCHLEVEL);
/* and parse the source */
yyparse();
if (yyin != NULL)
fclose(yyin);
if (out_option == 0)
fclose(yyout);
}
if (output_filename)
free(output_filename);
free(input_filename);
}
}
return OK;
}
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