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/* params.c - Run-time parameters.
Copyright (C) 2001 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "system.h"
#include "params.h"
#include "toplev.h"
/* An array containing the compiler parameters and their current
values. */
param_info *compiler_params;
/* The number of entries in the table. */
static size_t num_compiler_params;
/* Add the N PARAMS to the current list of compiler parameters. */
void
add_params (params, n)
const param_info params[];
size_t n;
{
/* Allocate enough space for the new parameters. */
compiler_params =
((param_info *)
xrealloc (compiler_params,
(num_compiler_params + n) * sizeof (param_info)));
/* Copy them into the table. */
memcpy (compiler_params + num_compiler_params,
params,
n * sizeof (param_info));
/* Keep track of how many parameters we have. */
num_compiler_params += n;
}
/* Set the VALUE associated with the parameter given by NAME. */
void
set_param_value (name, value)
const char *name;
int value;
{
size_t i;
/* Make sure nobody tries to set a parameter to an invalid value. */
if (value == INVALID_PARAM_VAL)
abort ();
/* Scan the parameter table to find a matching entry. */
for (i = 0; i < num_compiler_params; ++i)
if (strcmp (compiler_params[i].option, name) == 0)
{
compiler_params[i].value = value;
return;
}
/* If we didn't find this parameter, issue an error message. */
error ("invalid parameter `%s'", name);
}
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