/**
- * @file reflect.h
+ * @file irreflect.h
* @date 9.9.2004
* @author Sebastian Hack
* @brief Reflection for Firm operations.
* $Id$
*/
-#ifndef __REFLECT_H
-#define __REFLECT_H
+#ifndef _FIRM_REFLECT_H
+#define _FIRM_REFLECT_H
#include <limits.h>
-#include <stdbool.h>
#include "irop.h"
#include "irnode.h"
} rflct_mode_class_t;
-typedef struct {
+typedef struct _rflct_arg_t {
const char *name; /**< The name of the argument (just a description). */
- bool is_variadic; /**< True, if this argument can have multiple parameters. */
+ int is_variadic; /**< non-zero, if this argument can have multiple parameters. */
rflct_mode_class_t accepted_modes; /**< The set of accepted modes. */
int mode_equals; /**< If not variadic: You can specify the index of
must be the same. If false, they can differ. */
} rflct_arg_t;
-typedef unsigned int rflct_mode_set_t;
+typedef struct _rflct_sig_t {
+ int defs; /**< The number of defined arguments in the signature. */
+ int uses; /**< The number of used arguments in the signature. */
-#define rflct_modeset_contains(mode_set,modecode) \
- (((mode_set) & (1 << modecode)) != 0)
-
-#define rflct_modeset_issubset(s1,s2) \
- (((s1) & (s2)) == (s1))
-
-#define rflct_modeset_union(s1,s2) \
- ((s1) | (s2))
-
-#define rflct_modeset_intersect(s1,s2) \
- ((s1) & (s2))
-
-#define rflct_modeset_diff(s1,s2) \
- ((s1) & ~(s2))
+ rflct_arg_t *args; /**< The arguments array. */
+} rflct_sig_t;
+#define RFLCT_ARG_IS_A(arg,modes) (((arg)->accepted_modes & modes) != 0)
#define RFLCT_ARG_VALID(arg) ((arg)->name != NULL)
+#define RFLCT_SIG_VALID(sig) ((sig) != INT_MAX)
/**
* Get the mode class for an IR mode.
* @param irn The node.
* @return The first matching signature or -1, if no signature matches.
*/
-int rflct_get_signature(ir_node *irn);
+int rflct_get_signature(const ir_node *irn);
/**
* Get the number of in arguments.
*/
int rflct_get_out_args_count(opcode opc, int sig);
+#define rflct_get_args_count(opc, sig, use) \
+ ((use) ? rflct_get_in_args_count(opc, sig) : rflct_get_out_args_count(opc, sig))
+
/**
* Get the array of use args.
* The array is terminated with an entry for which
*/
const rflct_arg_t *rflct_get_out_args(opcode opc, int sig);
+#define rflct_get_args(opc, sig, use) \
+ ((use) ? rflct_get_in_args(opc, sig) : rflct_get_out_args(opc, sig))
+
+/**
+ * Make a string representation of a signature of an opcode.
+ * @param buf The buffer to put the string to.
+ * @param n The size of buf.
+ * @param opc The opcode.
+ * @param sig The signature.
+ * @return buf.
+ */
char *rflct_to_string(char *buf, int n, opcode opc, int sig);
+/**
+ * Get a string representation of a mode class.
+ * @param str The buffer to put the string to.
+ * @param n The size of the buffer.
+ * @param mc The mode class.
+ * @return str.
+ */
char *rflct_mode_class_name(char *str, int n, rflct_mode_class_t mc);
-#endif
+/**
+ * Create a new opcode.
+ * @param opc The Firm opcode.
+ * @param name A name.
+ * @param commutative non-zero, if the opcode is commutative.
+ */
+void rflct_new_opcode(opcode opc, const char *name, int commutative);
+
+/**
+ * Add a signature to the opcode.
+ * @param opc The opcode.
+ * @param sig The signature.
+ * @return non-zero, if the signature was added successfully, false if no
+ * more signatures can be added to the opcode.
+ */
+int rflct_opcode_add_signature(opcode opc, rflct_sig_t *sig);
+
+/**
+ * Allocate a new signature.
+ * @param defs Number of def arguments.
+ * @param uses Number of use arguments.
+ * @return An allocated signature.
+ */
+rflct_sig_t *rflct_signature_allocate(int defs, int uses);
+
+/**
+ * Set an argument in a signature.
+ *
+ * @param sig The signature.
+ * @param is_use non-zero, if the argument is a use, else it is
+ * considered a def.
+ * @param num The index of the argument.
+ * @param name The name of the argument.
+ * @param mc The mode class of the argument.
+ * @param is_variadic non-zero, if the argument is variadic.
+ * @param mode_equals This variable has following meaning: If the
+ * argument is variadic, a 1 indicates that all operands binding to this
+ * argument must have the same mode. A 0 indicates, that their mode must
+ * be of the specified mode class but can differ. If the argument is non
+ * variadic, a positive number indicates, that the mode of the operand
+ * binding to this argument must be the same as the one binding to
+ * argument indexed by mode_equals. If the mode should not be dependent
+ * to another mode, set -1 here.
+ * @return The index of the argument. Only use this index in mode_equals
+ * parameters of other arguments.
+ */
+int rflct_signature_set_arg(rflct_sig_t *sig, int is_use, int num,
+ const char *name, rflct_mode_class_t mc, int is_variadic, int mode_equals);
+
+/**
+ * Get the arguments array index for an argument.
+ * @param sig The signature.
+ * @param is_use non-zero, if the argument indicates a use or def argument.
+ * @param num The number of the argument.
+ * @return The index into the arguments array.
+ */
+int rflct_signature_get_index(const rflct_sig_t *sig, int is_use, int num);
+
+
+#endif /* _FIRM_REFLECT_H */