/*
- * Project: libFIRM
- * File name: ir/tv/strcalc.h
- * Purpose: Provides basic mathematical operations on values represented as strings.
- * Author: Mathias Heil
- * Modified by:
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
/**
- * @file strcalc.h
+ * @file
+ * @brief Provides basic mathematical operations on values represented as strings.
+ * @date 2003
+ * @author Mathias Heil
+ * @version $Id$
+ * @summary
*
* The module uses a string to represent values, and provides operations
* to perform calculations with these values.
* of them if you need to store the result.
*
*/
+#ifndef FIRM_TV_STRCALC_H
+#define FIRM_TV_STRCALC_H
-#ifndef _STRCALC_H_
-#define _STRCALC_H_
+#include "irmode.h"
#ifdef STRCALC_DEBUG_ALL /* switch on all debug options */
# ifndef STRCALC_DEBUG
* Possible operations on integer values.
*/
typedef enum {
- SC_ADD = 0, /**< Addition */
- SC_SUB, /**< Substraction */
+ SC_ADD = 0, /**< Addition */
+ SC_SUB, /**< Subtraction */
SC_NEG, /**< Unary Minus */
SC_MUL, /**< Multiplication */
SC_DIV, /**< Integer Division (with rounding toward zero ?) */
} sc_op_t;
/**
- * The output mode for ntger values.
+ * The output mode for integer values.
*/
enum base_t {
SC_hex, /**< hexadecimal output with small letters */
*/
#define sc_add(a, b, c) sc_calc((a), (b), SC_ADD, (c))
#define sc_sub(a, b, c) sc_calc((a), (b), SC_SUB, (c))
-#define sc_neg(a, c) sc_calc((a), NULL, SC_NEG, (c))
+#define sc_neg(a, c) sc_calc((a), NULL, SC_NEG, (c))
#define sc_and(a, b, c) sc_calc((a), (b), SC_AND, (c))
-#define sc_or(a, b, c) sc_calc((a), (b), SC_OR, (c))
+#define sc_or(a, b, c) sc_calc((a), (b), SC_OR, (c))
#define sc_xor(a, b, c) sc_calc((a), (b), SC_XOR, (c))
-#define sc_not(a, c) sc_calc((a), NULL, SC_NOT, (c))
+#define sc_not(a, c) sc_calc((a), NULL, SC_NOT, (c))
#define sc_mul(a, b, c) sc_calc((a), (b), SC_MUL, (c))
#define sc_div(a, b, c) sc_calc((a), (b), SC_DIV, (c))
#define sc_mod(a, b, c) sc_calc((a), (b), SC_MOD, (c))
-#define sc_shl(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_SHL, (e))
-#define sc_shr(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_SHR, (e))
+#define sc_shl(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_SHL, (e))
+#define sc_shr(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_SHR, (e))
#define sc_shrs(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_SHRS, (e))
-#define sc_rot(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_ROT, (e))
+#define sc_rot(a, b, c, d, e) sc_bitcalc((a), (b), (c), (d), SC_ROT, (e))
/*
* function declarations
*/
const void *sc_get_buffer(void);
-const int sc_get_buffer_length(void);
+int sc_get_buffer_length(void);
-void sc_val_from_str(const char *str, unsigned int len, void *buffer);
+void sign_extend(char *calc_buffer, ir_mode *mode);
+
+/** create an value form a string representation */
+void sc_val_from_str(const char *str, unsigned int len, void *buffer, ir_mode *mode);
+
+/** create a value from a long */
void sc_val_from_long(long l, void *buffer);
+
+/** create a value form an unsigned long */
void sc_val_from_ulong(unsigned long l, void *buffer);
+
+/** converts a value to a long */
long sc_val_to_long(const void *val);
void sc_min_from_bits(unsigned int num_bits, unsigned int sign, void *buffer);
void sc_max_from_bits(unsigned int num_bits, unsigned int sign, void *buffer);
/**
* Converts a tarval into a string.
*
- * @param val1 the value pointer
- * @param bits number of valid bits in this value
- * @param base output base
+ * @param val1 the value pointer
+ * @param bits number of valid bits in this value
+ * @param base output base
+ * @param signed_mode print it signed (only decimal mode supported
*/
-const char *sc_print(const void *val1, unsigned bits, enum base_t base);
+const char *sc_print(const void *val1, unsigned bits, enum base_t base, int signed_mode);
-/** Init strcalc module
+/** Initialize the strcalc module.
* Sets up internal data structures and constants
* After the first call subsequent calls have no effect
*
void finish_strcalc(void);
int sc_get_precision(void);
-#endif /* _STRCALC_H_ */
+#endif /* FIRM_TV_STRCALC_H */