X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firreflect.h;h=a7335f8e4ac18f8686e7a5f867cfaeabb1ab4ded;hb=346dfddce9be4420855b06ea40d2bf21dad9bc88;hp=14167712c2b48da6c29870c7c42e8d2fc807ba3a;hpb=83c392f1ff1e2a1102f045dea03a57b015a007aa;p=libfirm diff --git a/ir/ir/irreflect.h b/ir/ir/irreflect.h index 14167712c..a7335f8e4 100644 --- a/ir/ir/irreflect.h +++ b/ir/ir/irreflect.h @@ -44,7 +44,7 @@ typedef enum { } 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. */ @@ -62,6 +62,13 @@ typedef struct { must be the same. If false, they can differ. */ } rflct_arg_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. */ + + 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) @@ -147,4 +154,62 @@ char *rflct_to_string(char *buf, int n, opcode opc, int sig); */ char *rflct_mode_class_name(char *str, int n, rflct_mode_class_t mc); +/** + * Create a new opcode. + * @param opc The Firm opcode. + * @param name A name. + * @param commutative True, if the opcode is commuatative. + */ +void rflct_new_opcode(opcode opc, const char *name, bool commutative); + +/** + * Add a signature to the opcode. + * @param opc The opcode. + * @param args The signature. + * @return true, if the signature was added sucessfully, false if no + * more signatures can be added to the opcode. + */ +bool 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 true, 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 true, 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, bool is_use, int num, + const char *name, rflct_mode_class_t mc, bool is_variadic, int mode_equals); + +/** + * Get the arguments array index for an argument. + * @param sig The signature. + * @param is_use True, 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, bool is_use, int num); + + #endif