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/*
casm - Simple, portable assembler
Copyright (C) 2003-2015 Ian Cowburn (ianc@noddybox.co.uk)
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 3 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, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------
Expands an expression.
*/
#ifndef CASM_EXPR_H
#define CASM_EXPR_H
/* ---------------------------------------- INTERFACES
*/
/* Converts a number to a sized value. If the number is negative then the
result is returned in twos complement form.
*/
int ExprConvert(int no_bits, int value);
/* Returns the result of expr and stores the answer in result.
Returns FALSE on error.
*/
int ExprEval(const char *expr, int *result);
/* Gets a readable reason for an error from ExprEval() or ExprParse.
*/
const char *ExprError(void);
#endif
/*
vim: ai sw=4 ts=8 expandtab
*/
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