X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Ftype.c;h=478844961fc541df249174426a84d7f5de188abd;hb=ca42e4ac671c49f7ba8e9dfffd805abf49b2c733;hp=bf9c3b6c1c426abebcc7bed63a27a4af1fcab1d1;hpb=7e705a7927f20533dcd25b60dd9583e0a636f317;p=libfirm diff --git a/ir/tr/type.c b/ir/tr/type.c index bf9c3b6c1..478844961 100644 --- a/ir/tr/type.c +++ b/ir/tr/type.c @@ -1,25 +1,32 @@ /* - * Project: libFIRM - * File name: ir/tr/type.c - * Purpose: Representation of types. - * Author: Goetz Lindenmaier - * Modified by: Michael Beck - * Created: - * CVS-ID: $Id$ - * Copyright: (c) 2001-2003 Universität Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + * Copyright (C) 1995-2008 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 type.c + * @file type.c + * @brief Representation of types. + * @author Goetz Lindenmaier, Michael Beck + * @version $Id$ + * @brief * * Implementation of the datastructure to hold * type information. * - * (C) 2001-2005 by Universitaet Karlsruhe - * Goetz Lindenmaier - * * This module supplies a datastructure to represent all types * known in the compiled program. This includes types specified * in the program as well as types defined by the language. In the @@ -34,1058 +41,1139 @@ * Types are different from the modes defined in irmode: Types are * on the level of the programming language, modes at the level of * the target processor. - * - * @see type_t.h type tpop */ +#include "config.h" -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#ifdef HAVE_ALLOCA_H -#include -#endif -#ifdef HAVE_MALLOC_H -#include -#endif -#ifdef HAVE_STRING_H -# include -#endif -#ifdef HAVE_STDLIB_H -# include -#endif - -# include - -# include "type_t.h" +#include +#include +#include -# include "xmalloc.h" -# include "irprog_t.h" -# include "ircons.h" -# include "tpop_t.h" -# include "typegmod.h" -# include "mangle.h" -# include "tv_t.h" -# include "irhooks.h" +#include "type_t.h" -# include "array.h" +#include "xmalloc.h" +#include "irprog_t.h" +#include "ircons.h" +#include "tpop_t.h" +#include "tv_t.h" +#include "irhooks.h" +#include "irtools.h" +#include "entity_t.h" +#include "error.h" +#include "dbginfo.h" -/*-----------------------------------------------------------------*/ -/** TYPE **/ -/*-----------------------------------------------------------------*/ +#include "array.h" -type *firm_none_type; type *get_none_type(void) { return firm_none_type; } -type *firm_unknown_type; type *get_unknown_type(void) { return firm_unknown_type; } +ir_type *firm_none_type; +ir_type *get_none_type(void) +{ + return firm_none_type; +} +ir_type *firm_code_type; +ir_type *get_code_type(void) +{ + return firm_code_type; +} -#ifdef DEBUG_libfirm -/* Returns a new, unique number to number nodes or the like. */ -int get_irp_new_node_nr(void); -#endif +ir_type *firm_unknown_type; +ir_type *get_unknown_type(void) +{ + return firm_unknown_type; +} /* Suffixes added to types used for pass-by-value representations. */ static ident *value_params_suffix = NULL; static ident *value_ress_suffix = NULL; -/** The default calling convention for method types. */ -static unsigned default_cc_mask; +void ir_init_type(void) +{ + value_params_suffix = new_id_from_str(VALUE_PARAMS_SUFFIX); + value_ress_suffix = new_id_from_str(VALUE_RESS_SUFFIX); + + /* construct none and unknown type. */ + firm_none_type = new_type(tpop_none, mode_BAD, NULL); + set_type_size_bytes(firm_none_type, 0); + set_type_state (firm_none_type, layout_fixed); + remove_irp_type(firm_none_type); + + firm_code_type = new_type(tpop_code, mode_ANY, NULL); + set_type_state(firm_code_type, layout_fixed); + remove_irp_type(firm_code_type); -/* return the default calling convention for method types */ -unsigned get_default_cc_mask(void) { - return default_cc_mask; + firm_unknown_type = new_type(tpop_unknown, mode_ANY, NULL); + set_type_size_bytes(firm_unknown_type, 0); + set_type_state (firm_unknown_type, layout_fixed); + remove_irp_type(firm_unknown_type); } -/* Initialize the type module. */ -void firm_init_type(dbg_info *builtin_db, unsigned def_cc_mask) +void ir_finish_type(void) { - default_cc_mask = def_cc_mask; - value_params_suffix = new_id_from_str(VALUE_PARAMS_SUFFIX); - value_ress_suffix = new_id_from_str(VALUE_RESS_SUFFIX); + if (firm_none_type != NULL) { + free_type(firm_none_type); + firm_none_type = NULL; + } + if (firm_code_type != NULL) { + free_type(firm_code_type); + firm_code_type = NULL; + } + if (firm_unknown_type != NULL) { + free_type(firm_unknown_type); + firm_unknown_type = NULL; + } + value_params_suffix = NULL; + value_ress_suffix = NULL; +} - /* construct none and unknown type. */ - firm_none_type = new_type(tpop_none, mode_BAD, new_id_from_str("type_none"), builtin_db); - set_type_size_bits(firm_none_type, 0); - set_type_state (firm_none_type, layout_fixed); - remove_irp_type(firm_none_type); +/** the global type visited flag */ +ir_visited_t firm_type_visited; - firm_unknown_type = new_type(tpop_unknown, mode_ANY, new_id_from_str("type_unknown"), builtin_db); - set_type_size_bits(firm_unknown_type, 0); - set_type_state (firm_unknown_type, layout_fixed); - remove_irp_type(firm_unknown_type); +void (set_master_type_visited)(ir_visited_t val) +{ + _set_master_type_visited(val); } -/** the global type visited flag */ -unsigned long firm_type_visited; +ir_visited_t (get_master_type_visited)(void) +{ + return _get_master_type_visited(); +} -void (set_master_type_visited)(unsigned long val) { _set_master_type_visited(val); } -unsigned long (get_master_type_visited)(void) { return _get_master_type_visited(); } -void (inc_master_type_visited)(void) { _inc_master_type_visited(); } +void (inc_master_type_visited)(void) +{ + _inc_master_type_visited(); +} -/* - * Creates a new type representation. - */ -type * -new_type(tp_op *type_op, ir_mode *mode, ident *name, dbg_info *db) { - type *res; - int node_size; - - assert(type_op != type_id); - assert(!id_contains_char(name, ' ') && "type name should not contain spaces"); - - node_size = offsetof(type, attr) + type_op->attr_size; - res = xmalloc(node_size); - memset(res, 0, node_size); - - res->kind = k_type; - res->type_op = type_op; - res->mode = mode; - res->name = name; - res->visibility = visibility_external_allocated; - res->frame_type = 0; - res->state = layout_undefined; - res->size = -1; - res->align = -1; - res->visit = 0; - res->link = NULL; - res->dbi = db; +ir_type *new_type(const tp_op *type_op, ir_mode *mode, type_dbg_info *db) +{ + ir_type *res; + int node_size; + + node_size = offsetof(ir_type, attr) + type_op->attr_size; + res = xmalloc(node_size); + memset(res, 0, node_size); + + res->kind = k_type; + res->type_op = type_op; + res->mode = mode; + res->visibility = ir_visibility_external; + res->flags = tf_none; + res->size = 0; + res->align = 0; + res->visit = 0; + res->link = NULL; + res->dbi = db; + res->assoc_type = NULL; #ifdef DEBUG_libfirm - res->nr = get_irp_new_node_nr(); + res->nr = get_irp_new_node_nr(); #endif /* defined DEBUG_libfirm */ - add_irp_type(res); /* Remember the new type global. */ + add_irp_type(res); /* Remember the new type global. */ - return res; + return res; } -void free_type(type *tp) { - const tp_op *op = get_type_tpop(tp); +void free_type(ir_type *tp) +{ + const tp_op *op = get_type_tpop(tp); + + if ((get_type_tpop(tp) == tpop_none) || (get_type_tpop(tp) == tpop_unknown) + || (get_type_tpop(tp) == tpop_code)) + return; + /* Remove from list of all types */ + remove_irp_type(tp); + /* Free the attributes of the type. */ + free_type_attrs(tp); + /* Free entities automatically allocated with the ir_type */ + if (op->ops.free_auto_entities) + op->ops.free_auto_entities(tp); + /* And now the type itself... */ + tp->kind = k_BAD; + free(tp); +} + +void free_type_entities(ir_type *tp) +{ + const tp_op *tpop = get_type_tpop(tp); - if ((get_type_tpop(tp) == tpop_none) || (get_type_tpop(tp) == tpop_unknown)) - return; - /* Remove from list of all types */ - remove_irp_type(tp); - /* Free the attributes of the type. */ - free_type_attrs(tp); - /* Free entities automatically allocated with the type */ - if (op->ops.free_auto_entities) - op->ops.free_auto_entities(tp); - /* And now the type itself... */ - tp->kind = k_BAD; - free(tp); + if (tpop->ops.free_entities) + tpop->ops.free_entities(tp); } -void free_type_entities(type *tp) { - const tp_op *tpop = get_type_tpop(tp); +void free_type_attrs(ir_type *tp) +{ + const tp_op *tpop = get_type_tpop(tp); - if (tpop->ops.free_entities) - tpop->ops.free_entities(tp); + if (tpop->ops.free_attrs) + tpop->ops.free_attrs(tp); } -void free_type_attrs(type *tp) { - const tp_op *tpop = get_type_tpop(tp); +void *(get_type_link)(const ir_type *tp) +{ + return _get_type_link(tp); +} - if (tpop->ops.free_attrs) - tpop->ops.free_attrs(tp); +void (set_type_link)(ir_type *tp, void *l) +{ + _set_type_link(tp, l); } -/* set/get the link field */ -void *(get_type_link)(const type *tp) { - return _get_type_link(tp); +const tp_op *(get_type_tpop)(const ir_type *tp) +{ + return _get_type_tpop(tp); } -void (set_type_link)(type *tp, void *l) { - _set_type_link(tp, l); +ident *(get_type_tpop_nameid)(const ir_type *tp) +{ + return _get_type_tpop_nameid(tp); +} + +const char* get_type_tpop_name(const ir_type *tp) +{ + assert(tp && tp->kind == k_type); + return get_id_str(tp->type_op->name); +} + +tp_opcode (get_type_tpop_code)(const ir_type *tp) +{ + return _get_type_tpop_code(tp); +} + +ir_mode *(get_type_mode)(const ir_type *tp) +{ + return _get_type_mode(tp); +} + +void set_type_mode(ir_type *tp, ir_mode *mode) +{ + const tp_op *tpop = get_type_tpop(tp); + + if (tpop->ops.set_type_mode) + tpop->ops.set_type_mode(tp, mode); + else + assert(0 && "setting a mode is NOT allowed for this type"); } -const tp_op *(get_type_tpop)(const type *tp) { - return _get_type_tpop(tp); +/* Outputs a unique number for this node */ +long get_type_nr(const ir_type *tp) +{ + assert(tp); +#ifdef DEBUG_libfirm + return tp->nr; +#else + return (long)PTR_TO_INT(tp); +#endif } -ident *(get_type_tpop_nameid)(const type *tp) { - return _get_type_tpop_nameid(tp); +unsigned (get_type_size_bytes)(const ir_type *tp) +{ + return _get_type_size_bytes(tp); } -const char* get_type_tpop_name(const type *tp) { - assert(tp && tp->kind == k_type); - return get_id_str(tp->type_op->name); +ir_visibility get_type_visibility(const ir_type *tp) +{ + assert(is_type(tp)); + return tp->visibility; } -tp_opcode (get_type_tpop_code)(const type *tp) { - return _get_type_tpop_code(tp); +void set_type_visibility(ir_type *tp, ir_visibility v) +{ + assert(is_type(tp)); + tp->visibility = v; } -ir_mode *(get_type_mode)(const type *tp) { - return _get_type_mode(tp); +void set_type_size_bytes(ir_type *tp, unsigned size) +{ + const tp_op *tpop = get_type_tpop(tp); + + if (tpop->ops.set_type_size) + tpop->ops.set_type_size(tp, size); + else + assert(0 && "Cannot set size for this type"); } -void set_type_mode(type *tp, ir_mode *mode) { - const tp_op *tpop = get_type_tpop(tp); +unsigned get_type_alignment_bytes(ir_type *tp) +{ + unsigned align = 1; + + if (tp->align > 0) + return tp->align; + + /* alignment NOT set calculate it "on demand" */ + if (tp->mode) + align = (get_mode_size_bits(tp->mode) + 7) >> 3; + else if (is_Array_type(tp)) + align = get_type_alignment_bytes(get_array_element_type(tp)); + else if (is_compound_type(tp)) { + int i, n = get_compound_n_members(tp); + + align = 0; + for (i = 0; i < n; ++i) { + ir_type *t = get_entity_type(get_compound_member(tp, i)); + unsigned a = get_type_alignment_bytes(t); + + if (a > align) + align = a; + } + } else if (is_Method_type(tp)) { + align = 0; + } - if (tpop->ops.set_type_mode) - tpop->ops.set_type_mode(tp, mode); - else - assert(0 && "setting a mode is NOT allowed for this type"); + /* write back */ + tp->align = align; + + return align; } -ident *(get_type_ident)(const type *tp) { - return _get_type_ident(tp); +void set_type_alignment_bytes(ir_type *tp, unsigned align) +{ + assert(tp && tp->kind == k_type); + /* Methods don't have an alignment. */ + if (tp->type_op != type_method) { + tp->align = align; + } } -void (set_type_ident)(type *tp, ident* id) { - _set_type_ident(tp, id); +const char *get_type_state_name(ir_type_state s) +{ +#define X(a) case a: return #a; + switch (s) { + X(layout_undefined); + X(layout_fixed); + } + return ""; +#undef X } -/* Outputs a unique number for this node */ -long get_type_nr(const type *tp) { - assert(tp); -#ifdef DEBUG_libfirm - return tp->nr; -#else - return (long)tp; +ir_type_state (get_type_state)(const ir_type *tp) +{ + return _get_type_state(tp); +} + +void set_type_state(ir_type *tp, ir_type_state state) +{ + assert(tp && tp->kind == k_type); + + if ((tp->type_op == type_pointer) || (tp->type_op == type_primitive) || + (tp->type_op == type_method)) + return; + + /* Just a correctness check: */ + if (state == layout_fixed) { + int i; + switch (get_type_tpop_code(tp)) { + case tpo_class: + if (tp != get_glob_type()) { + int n_mem = get_class_n_members(tp); + for (i = 0; i < n_mem; i++) { + assert(get_entity_offset(get_class_member(tp, i)) > -1); + /* TR ?? + assert(is_Method_type(get_entity_type(get_class_member(tp, i))) || + (get_entity_allocation(get_class_member(tp, i)) == allocation_automatic)); + */ + } + } + break; + case tpo_struct: + for (i = 0; i < get_struct_n_members(tp); i++) { + assert(get_entity_offset(get_struct_member(tp, i)) > -1); + } + break; + case tpo_union: + /* ?? */ + break; + case tpo_array: + /* ?? + Check order? + Assure that only innermost dimension is dynamic? */ + break; + case tpo_enumeration: +#ifndef NDEBUG + assert(get_type_mode(tp) != NULL); + for (i = get_enumeration_n_enums(tp) - 1; i >= 0; --i) { + ir_enum_const *ec = get_enumeration_const(tp, i); + tarval *tv = get_enumeration_value(ec); + assert(tv != NULL && tv != tarval_bad); + } #endif + break; + default: break; + } /* switch (tp) */ + } + if (state == layout_fixed) + tp->flags |= tf_layout_fixed; + else + tp->flags &= ~tf_layout_fixed; } -const char* get_type_name(const type *tp) { - assert(tp && tp->kind == k_type); - return (get_id_str(tp->name)); +ir_visited_t (get_type_visited)(const ir_type *tp) +{ + return _get_type_visited(tp); } -int (get_type_size_bytes)(const type *tp) { - return _get_type_size_bytes(tp); +void (set_type_visited)(ir_type *tp, ir_visited_t num) +{ + _set_type_visited(tp, num); } -int (get_type_size_bits)(const type *tp) { - return _get_type_size_bits(tp); +void (mark_type_visited)(ir_type *tp) +{ + _mark_type_visited(tp); } +int (type_visited)(const ir_type *tp) +{ + return _type_visited(tp); +} -visibility get_type_visibility (const type *tp) { -#if 0 - visibility res = visibility_local; - if (is_compound_type(tp)) { +int (type_not_visited)(const ir_type *tp) +{ + return _type_not_visited(tp); +} - if (is_Array_type(tp)) { - entity *mem = get_array_element_entity(tp); - if (get_entity_visibility(mem) != visibility_local) - res = visibility_external_visible; - } else { - int i, n_mems = get_compound_n_members(tp); - for (i = 0; i < n_mems; ++i) { - entity *mem = get_compound_member(tp, i); - if (get_entity_visibility(mem) != visibility_local) - res = visibility_external_visible; - } - } - } - return res; -#endif - assert(is_type(tp)); - return tp->visibility; -} - -void set_type_visibility (type *tp, visibility v) { - assert(is_type(tp)); -#if 0 - /* check for correctness */ - if (v != visibility_external_allocated) { - visibility res = visibility_local; - if (is_compound_type(tp)) { - if (is_Array_type(tp)) { - entity *mem = get_array_element_entity(tp); - if (get_entity_visibility(mem) > res) - res = get_entity_visibility(mem); - } else { - int i, n_mems = get_compound_n_members(tp); - for (i = 0; i < n_mems; ++i) { - entity *mem = get_compound_member(tp, i); - if (get_entity_visibility(mem) > res) - res = get_entity_visibility(mem); - } - } - } - assert(res < v); - } -#endif - tp->visibility = v; +type_dbg_info *(get_type_dbg_info)(const ir_type *tp) +{ + return _get_type_dbg_info(tp); } -void -set_type_size_bits(type *tp, int size) { - const tp_op *tpop = get_type_tpop(tp); +void (set_type_dbg_info)(ir_type *tp, type_dbg_info *db) +{ + _set_type_dbg_info(tp, db); +} - if (tpop->ops.set_type_size) - tpop->ops.set_type_size(tp, size); - else - assert(0 && "Cannot set size for this type"); +int (is_type)(const void *thing) +{ + return _is_type(thing); } -void -set_type_size_bytes(type *tp, int size) { - set_type_size_bits(tp, 8*size); +/* Checks whether two types are structural equal.*/ +int equal_type(ir_type *typ1, ir_type *typ2) +{ + ir_entity **m; + ir_type **t; + int i, j; + + if (typ1 == typ2) return 1; + + if ((get_type_tpop_code(typ1) != get_type_tpop_code(typ2)) || + typ1->name != typ2->name || + (get_type_mode(typ1) != get_type_mode(typ2)) || + (get_type_state(typ1) != get_type_state(typ2))) + return 0; + if ((get_type_state(typ1) == layout_fixed) && + (get_type_size_bytes(typ1) != get_type_size_bytes(typ2))) + return 0; + + switch (get_type_tpop_code(typ1)) { + case tpo_class: + if (get_class_n_members(typ1) != get_class_n_members(typ2)) return 0; + if (get_class_n_subtypes(typ1) != get_class_n_subtypes(typ2)) return 0; + if (get_class_n_supertypes(typ1) != get_class_n_supertypes(typ2)) return 0; + if (get_class_peculiarity(typ1) != get_class_peculiarity(typ2)) return 0; + /** Compare the members **/ + m = ALLOCANZ(ir_entity*, get_class_n_members(typ1)); + /* First sort the members of typ2 */ + for (i = 0; i < get_class_n_members(typ1); i++) { + ir_entity *e1 = get_class_member(typ1, i); + for (j = 0; j < get_class_n_members(typ2); j++) { + ir_entity *e2 = get_class_member(typ2, j); + if (get_entity_name(e1) == get_entity_name(e2)) + m[i] = e2; + } + } + for (i = 0; i < get_class_n_members(typ1); i++) { + if (!m[i] || get_class_member(typ1, i) != m[i]) + return 0; + } + /** Compare the supertypes **/ + t = ALLOCANZ(ir_type*, get_class_n_supertypes(typ1)); + /* First sort the supertypes of typ2 */ + for (i = 0; i < get_class_n_supertypes(typ1); i++) { + ir_type *t1 = get_class_supertype(typ1, i); + for (j = 0; j < get_class_n_supertypes(typ2); j++) { + ir_type *t2 = get_class_supertype(typ2, j); + if (t2->name == t1->name) + t[i] = t2; + } + } + for (i = 0; i < get_class_n_supertypes(typ1); i++) { + if (!t[i] || /* Found no counterpart */ + get_class_supertype(typ1, i) != t[i]) + return 0; + } + break; + + case tpo_struct: + if (get_struct_n_members(typ1) != get_struct_n_members(typ2)) return 0; + m = ALLOCANZ(ir_entity*, get_struct_n_members(typ1)); + /* First sort the members of lt */ + for (i = 0; i < get_struct_n_members(typ1); i++) { + ir_entity *e1 = get_struct_member(typ1, i); + for (j = 0; j < get_struct_n_members(typ2); j++) { + ir_entity *e2 = get_struct_member(typ2, j); + if (get_entity_name(e1) == get_entity_name(e2)) + m[i] = e2; + } + } + for (i = 0; i < get_struct_n_members(typ1); i++) { + if (!m[i] || get_struct_member(typ1, i) != m[i]) + return 0; + } + break; + + case tpo_method: { + int n_param1, n_param2; + + if (get_method_variadicity(typ1) != get_method_variadicity(typ2)) return 0; + if (get_method_n_ress(typ1) != get_method_n_ress(typ2)) return 0; + if (get_method_calling_convention(typ1) != + get_method_calling_convention(typ2)) return 0; + + if (get_method_variadicity(typ1) == variadicity_non_variadic) { + n_param1 = get_method_n_params(typ1); + n_param2 = get_method_n_params(typ2); + } else { + n_param1 = get_method_first_variadic_param_index(typ1); + n_param2 = get_method_first_variadic_param_index(typ2); + } + + if (n_param1 != n_param2) return 0; + + for (i = 0; i < n_param1; i++) { + if (!equal_type(get_method_param_type(typ1, i), get_method_param_type(typ2, i))) + return 0; + } + for (i = 0; i < get_method_n_ress(typ1); i++) { + if (!equal_type(get_method_res_type(typ1, i), get_method_res_type(typ2, i))) + return 0; + } + } break; + + case tpo_union: + if (get_union_n_members(typ1) != get_union_n_members(typ2)) return 0; + m = ALLOCANZ(ir_entity*, get_union_n_members(typ1)); + /* First sort the members of lt */ + for (i = 0; i < get_union_n_members(typ1); i++) { + ir_entity *e1 = get_union_member(typ1, i); + for (j = 0; j < get_union_n_members(typ2); j++) { + ir_entity *e2 = get_union_member(typ2, j); + if (get_entity_name(e1) == get_entity_name(e2)) + m[i] = e2; + } + } + for (i = 0; i < get_union_n_members(typ1); i++) { + if (!m[i] || get_union_member(typ1, i) != m[i]) + return 0; + } + break; + + case tpo_array: + if (get_array_n_dimensions(typ1) != get_array_n_dimensions(typ2)) + return 0; + if (!equal_type(get_array_element_type(typ1), get_array_element_type(typ2))) + return 0; + for (i = 0; i < get_array_n_dimensions(typ1); i++) { + if (get_array_lower_bound(typ1, i) != get_array_lower_bound(typ2, i) || + get_array_upper_bound(typ1, i) != get_array_upper_bound(typ2, i)) + return 0; + if (get_array_order(typ1, i) != get_array_order(typ2, i)) + assert(0 && "type compare with different dimension orders not implemented"); + } + break; + + case tpo_enumeration: + assert(0 && "enumerations not implemented"); + break; + + case tpo_pointer: + if (get_pointer_points_to_type(typ1) != get_pointer_points_to_type(typ2)) + return 0; + break; + + case tpo_primitive: + break; + + default: break; + } + return 1; +} + +int smaller_type(ir_type *st, ir_type *lt) +{ + ir_entity **m; + int i, j, n_st_members; + + if (st == lt) return 1; + + if (get_type_tpop_code(st) != get_type_tpop_code(lt)) + return 0; + + switch (get_type_tpop_code(st)) { + case tpo_class: + return is_SubClass_of(st, lt); + + case tpo_struct: + n_st_members = get_struct_n_members(st); + if (n_st_members != get_struct_n_members(lt)) + return 0; + + m = ALLOCANZ(ir_entity*, n_st_members); + /* First sort the members of lt */ + for (i = 0; i < n_st_members; ++i) { + ir_entity *se = get_struct_member(st, i); + int n = get_struct_n_members(lt); + for (j = 0; j < n; ++j) { + ir_entity *le = get_struct_member(lt, j); + if (get_entity_name(le) == get_entity_name(se)) + m[i] = le; + } + } + for (i = 0; i < n_st_members; i++) { + if (!m[i] || /* Found no counterpart */ + !smaller_type(get_entity_type(get_struct_member(st, i)), get_entity_type(m[i]))) + return 0; + } + break; + + case tpo_method: { + int n_param1, n_param2; + + /** FIXME: is this still 1? */ + if (get_method_variadicity(st) != get_method_variadicity(lt)) return 0; + if (get_method_n_ress(st) != get_method_n_ress(lt)) return 0; + if (get_method_calling_convention(st) != + get_method_calling_convention(lt)) return 0; + + if (get_method_variadicity(st) == variadicity_non_variadic) { + n_param1 = get_method_n_params(st); + n_param2 = get_method_n_params(lt); + } else { + n_param1 = get_method_first_variadic_param_index(st); + n_param2 = get_method_first_variadic_param_index(lt); + } + + if (n_param1 != n_param2) return 0; + + for (i = 0; i < get_method_n_params(st); i++) { + if (!smaller_type(get_method_param_type(st, i), get_method_param_type(lt, i))) + return 0; + } + for (i = 0; i < get_method_n_ress(st); i++) { + if (!smaller_type(get_method_res_type(st, i), get_method_res_type(lt, i))) + return 0; + } + } break; + + case tpo_union: + n_st_members = get_union_n_members(st); + if (n_st_members != get_union_n_members(lt)) return 0; + m = ALLOCANZ(ir_entity*, n_st_members); + /* First sort the members of lt */ + for (i = 0; i < n_st_members; ++i) { + ir_entity *se = get_union_member(st, i); + int n = get_union_n_members(lt); + for (j = 0; j < n; ++j) { + ir_entity *le = get_union_member(lt, j); + if (get_entity_name(le) == get_entity_name(se)) + m[i] = le; + } + } + for (i = 0; i < n_st_members; ++i) { + if (!m[i] || /* Found no counterpart */ + !smaller_type(get_entity_type(get_union_member(st, i)), get_entity_type(m[i]))) + return 0; + } + break; + + case tpo_array: { + ir_type *set, *let; /* small/large elt. ir_type */ + if (get_array_n_dimensions(st) != get_array_n_dimensions(lt)) + return 0; + set = get_array_element_type(st); + let = get_array_element_type(lt); + if (set != let) { + /* If the element types are different, set must be convertible + to let, and they must have the same size so that address + computations work out. To have a size the layout must + be fixed. */ + if ((get_type_state(set) != layout_fixed) || + (get_type_state(let) != layout_fixed)) + return 0; + if (!smaller_type(set, let) || + get_type_size_bytes(set) != get_type_size_bytes(let)) + return 0; + } + for (i = 0; i < get_array_n_dimensions(st); i++) { + if (get_array_lower_bound(lt, i)) + if (get_array_lower_bound(st, i) != get_array_lower_bound(lt, i)) + return 0; + if (get_array_upper_bound(lt, i)) + if (get_array_upper_bound(st, i) != get_array_upper_bound(lt, i)) + return 0; + } + } break; + + case tpo_enumeration: + assert(0 && "enumerations not implemented"); + break; + + case tpo_pointer: + if (!smaller_type(get_pointer_points_to_type(st), get_pointer_points_to_type(lt))) + return 0; + break; + + case tpo_primitive: + if (!smaller_mode(get_type_mode(st), get_type_mode(lt))) + return 0; + break; + + default: break; + } + return 1; +} + + +ir_type *new_d_type_class(ident *name, type_dbg_info *db) +{ + ir_type *res; + + res = new_type(type_class, NULL, db); + res->name = name; + + res->attr.ca.members = NEW_ARR_F (ir_entity *, 0); + res->attr.ca.subtypes = NEW_ARR_F (ir_type *, 0); + res->attr.ca.supertypes = NEW_ARR_F (ir_type *, 0); + res->attr.ca.peculiarity = peculiarity_existent; + res->attr.ca.type_info = NULL; + res->attr.ca.vtable_size = 0; + res->attr.ca.clss_flags = cf_none; + res->attr.ca.dfn = 0; + hook_new_type(res); + return res; } -int get_type_alignment_bytes(type *tp) { - int align = get_type_alignment_bits(tp); +ir_type *new_type_class(ident *name) +{ + return new_d_type_class (name, NULL); +} - return align < 0 ? align : (align + 7) >> 3; +void free_class_entities(ir_type *clss) +{ + int i; + assert(clss && (clss->type_op == type_class)); + for (i = get_class_n_members(clss) - 1; i >= 0; --i) + free_entity(get_class_member(clss, i)); + /* do NOT free the type info here. It belongs to another class */ } -int get_type_alignment_bits(type *tp) { - int align = 8; +void free_class_attrs(ir_type *clss) +{ + assert(clss && (clss->type_op == type_class)); + DEL_ARR_F(clss->attr.ca.members); + DEL_ARR_F(clss->attr.ca.subtypes); + DEL_ARR_F(clss->attr.ca.supertypes); +} - if (tp->align > 0) - return tp->align; +ident *get_class_ident(const ir_type *clss) +{ + assert(clss->type_op == type_class); + return clss->name; +} - /* alignment NOT set calculate it "on demand" */ - if (tp->mode) - align = get_mode_size_bits(tp->mode); - else if (is_Array_type(tp)) - align = get_type_alignment_bits(get_array_element_type(tp)); - else if (is_compound_type(tp)) { - int i, n = get_compound_n_members(tp); +const char *get_class_name(const ir_type *clss) +{ + if (get_class_ident(clss) == NULL) + return NULL; + return get_id_str(get_class_ident(clss)); +} - align = 0; - for (i = 0; i < n; ++i) { - type *t = get_entity_type(get_compound_member(tp, i)); - int a = get_type_alignment_bits(t); +static void add_class_member(ir_type *clss, ir_entity *member) +{ + assert(clss && (clss->type_op == type_class)); + assert(clss != get_entity_type(member) && "recursive type"); + ARR_APP1 (ir_entity *, clss->attr.ca.members, member); +} - if (a > align) - align = a; - } - } - else if (is_Method_type(tp)) - align = 0; +int (get_class_n_members)(const ir_type *clss) +{ + return _get_class_n_members(clss); +} - /* write back */ - tp->align = align; +int get_class_member_index(const ir_type *clss, ir_entity *mem) +{ + int i, n; + assert(clss && (clss->type_op == type_class)); + for (i = 0, n = get_class_n_members(clss); i < n; ++i) + if (get_class_member(clss, i) == mem) + return i; + return -1; +} - return align; +ir_entity *(get_class_member)(const ir_type *clss, int pos) +{ + return _get_class_member(clss, pos); } -void -set_type_alignment_bits(type *tp, int align) { - assert(tp && tp->kind == k_type); - /* Methods don't have an alignment. */ - if (tp->type_op != type_method) { - tp->align = align; - } +ir_entity *get_class_member_by_name(ir_type *clss, ident *name) +{ + int i, n_mem; + assert(clss && (clss->type_op == type_class)); + n_mem = get_class_n_members(clss); + for (i = 0; i < n_mem; ++i) { + ir_entity *mem = get_class_member(clss, i); + if (get_entity_ident(mem) == name) return mem; + } + return NULL; } -void -set_type_alignment_bytes(type *tp, int align) { - set_type_alignment_bits(tp, 8*align); +void set_class_member(ir_type *clss, ir_entity *member, int pos) +{ + assert(clss && (clss->type_op == type_class)); + assert(pos >= 0 && pos < get_class_n_members(clss)); + clss->attr.ca.members[pos] = member; } -/* Returns a human readable string for the enum entry. */ -const char *get_type_state_name(type_state s) { -#define X(a) case a: return #a; - switch (s) { - X(layout_undefined); - X(layout_fixed); - } - return ""; -#undef X +void set_class_members(ir_type *clss, ir_entity **members, int arity) +{ + int i; + assert(clss && (clss->type_op == type_class)); + DEL_ARR_F(clss->attr.ca.members); + clss->attr.ca.members = NEW_ARR_F(ir_entity *, 0); + for (i = 0; i < arity; ++i) { + set_entity_owner(members[i], clss); + ARR_APP1(ir_entity *, clss->attr.ca.members, members[i]); + } } +static void remove_class_member(ir_type *clss, ir_entity *member) +{ + int i; + assert(clss && (clss->type_op == type_class)); + for (i = 0; i < (ARR_LEN (clss->attr.ca.members)); i++) { + if (clss->attr.ca.members[i] == member) { + for (; i < (ARR_LEN (clss->attr.ca.members)) - 1; i++) + clss->attr.ca.members[i] = clss->attr.ca.members[i + 1]; + ARR_SETLEN(ir_entity*, clss->attr.ca.members, ARR_LEN(clss->attr.ca.members) - 1); + break; + } + } +} + +void add_class_subtype(ir_type *clss, ir_type *subtype) +{ + int i; + assert(clss && (clss->type_op == type_class)); + ARR_APP1 (ir_type *, clss->attr.ca.subtypes, subtype); + for (i = 0; i < get_class_n_supertypes(subtype); i++) + if (get_class_supertype(subtype, i) == clss) + /* Class already registered */ + return; + ARR_APP1(ir_type *, subtype->attr.ca.supertypes, clss); +} -type_state (get_type_state)(const type *tp) { - return _get_type_state(tp); -} - -void -set_type_state(type *tp, type_state state) { - assert(tp && tp->kind == k_type); - - if ((tp->type_op == type_pointer) || (tp->type_op == type_primitive) || - (tp->type_op == type_method)) - return; - - /* Just a correctness check: */ - if (state == layout_fixed) { - int i; - switch (get_type_tpop_code(tp)) { - case tpo_class: - { - assert(get_type_size_bits(tp) > -1); - if (tp != get_glob_type()) { - int n_mem = get_class_n_members(tp); - for (i = 0; i < n_mem; i++) { - if (get_entity_offset_bits(get_class_member(tp, i)) <= -1) - { DDMT(tp); DDME(get_class_member(tp, i)); } - assert(get_entity_offset_bits(get_class_member(tp, i)) > -1); - /* TR ?? - assert(is_Method_type(get_entity_type(get_class_member(tp, i))) || - (get_entity_allocation(get_class_member(tp, i)) == allocation_automatic)); - */ - } - } - } break; - case tpo_struct: - { - assert(get_type_size_bits(tp) > -1); - for (i = 0; i < get_struct_n_members(tp); i++) { - assert(get_entity_offset_bits(get_struct_member(tp, i)) > -1); - assert((get_entity_allocation(get_struct_member(tp, i)) == allocation_automatic)); - } - } break; - case tpo_union: - { /* ?? */ - } break; - case tpo_array: - { /* ?? - Check order? - Assure that only innermost dimension is dynamic? */ - } break; - case tpo_enumeration: - { - assert(get_type_mode != NULL); - for (i = 0; i < get_enumeration_n_enums(tp); i++) - assert(get_enumeration_enum(tp, i) != NULL); - } break; - default: break; - } /* switch (tp) */ - } - tp->state = state; -} - -unsigned long (get_type_visited)(const type *tp) { - return _get_type_visited(tp); -} - -void (set_type_visited)(type *tp, unsigned long num) { - _set_type_visited(tp, num); -} - -/* Sets visited field in type to type_visited. */ -void (mark_type_visited)(type *tp) { - _mark_type_visited(tp); -} - -int (type_visited)(const type *tp) { - return _type_visited(tp); -} - -int (type_not_visited)(const type *tp) { - return _type_not_visited(tp); -} - -int (is_type)(const void *thing) { - return _is_type(thing); +int get_class_n_subtypes(const ir_type *clss) +{ + assert(clss && (clss->type_op == type_class)); + return (ARR_LEN (clss->attr.ca.subtypes)); } -/* Checks whether two types are structural equal.*/ -int equal_type(type *typ1, type *typ2) { - entity **m; - type **t; - int i, j; - - if (typ1 == typ2) return 1; - - if ((get_type_tpop_code(typ1) != get_type_tpop_code(typ2)) || - (get_type_ident(typ1) != get_type_ident(typ2)) || - (get_type_mode(typ1) != get_type_mode(typ2)) || - (get_type_state(typ1) != get_type_state(typ2))) - return 0; - if ((get_type_state(typ1) == layout_fixed) && - (get_type_size_bits(typ1) != get_type_size_bits(typ2))) - return 0; - - switch (get_type_tpop_code(typ1)) { - case tpo_class: { - if (get_class_n_members(typ1) != get_class_n_members(typ2)) return 0; - if (get_class_n_subtypes(typ1) != get_class_n_subtypes(typ2)) return 0; - if (get_class_n_supertypes(typ1) != get_class_n_supertypes(typ2)) return 0; - if (get_class_peculiarity(typ1) != get_class_peculiarity(typ2)) return 0; - /** Compare the members **/ - m = alloca(sizeof(entity *) * get_class_n_members(typ1)); - memset(m, 0, sizeof(entity *) * get_class_n_members(typ1)); - /* First sort the members of typ2 */ - for (i = 0; i < get_class_n_members(typ1); i++) { - entity *e1 = get_class_member(typ1, i); - for (j = 0; j < get_class_n_members(typ2); j++) { - entity *e2 = get_class_member(typ2, j); - if (get_entity_name(e1) == get_entity_name(e2)) - m[i] = e2; - } - } - for (i = 0; i < get_class_n_members(typ1); i++) { - if (!m[i] || /* Found no counterpart */ - !equal_entity(get_class_member(typ1, i), m[i])) - return 0; - } - /** Compare the supertypes **/ - t = alloca(sizeof(entity *) * get_class_n_supertypes(typ1)); - memset(t, 0, sizeof(entity *) * get_class_n_supertypes(typ1)); - /* First sort the supertypes of typ2 */ - for (i = 0; i < get_class_n_supertypes(typ1); i++) { - type *t1 = get_class_supertype(typ1, i); - for (j = 0; j < get_class_n_supertypes(typ2); j++) { - type *t2 = get_class_supertype(typ2, j); - if (get_type_ident(t2) == get_type_ident(t1)) - t[i] = t2; - } - } - for (i = 0; i < get_class_n_supertypes(typ1); i++) { - if (!t[i] || /* Found no counterpart */ - get_class_supertype(typ1, i) != t[i]) - return 0; - } - } break; - case tpo_struct: { - if (get_struct_n_members(typ1) != get_struct_n_members(typ2)) return 0; - m = alloca(sizeof(entity *) * get_struct_n_members(typ1)); - memset(m, 0, sizeof(entity *) * get_struct_n_members(typ1)); - /* First sort the members of lt */ - for (i = 0; i < get_struct_n_members(typ1); i++) { - entity *e1 = get_struct_member(typ1, i); - for (j = 0; j < get_struct_n_members(typ2); j++) { - entity *e2 = get_struct_member(typ2, j); - if (get_entity_name(e1) == get_entity_name(e2)) - m[i] = e2; - } - } - for (i = 0; i < get_struct_n_members(typ1); i++) { - if (!m[i] || /* Found no counterpart */ - !equal_entity(get_struct_member(typ1, i), m[i])) - return 0; - } - } break; - case tpo_method: { - int n_param1, n_param2; - - if (get_method_variadicity(typ1) != get_method_variadicity(typ2)) return 0; - if (get_method_n_ress(typ1) != get_method_n_ress(typ2)) return 0; - if (get_method_calling_convention(typ1) != - get_method_calling_convention(typ2)) return 0; - - if (get_method_variadicity(typ1) == variadicity_non_variadic) { - n_param1 = get_method_n_params(typ1); - n_param2 = get_method_n_params(typ2); - } - else { - n_param1 = get_method_first_variadic_param_index(typ1); - n_param2 = get_method_first_variadic_param_index(typ2); - } - - if (n_param1 != n_param2) return 0; - - for (i = 0; i < n_param1; i++) { - if (!equal_type(get_method_param_type(typ1, i), get_method_param_type(typ2, i))) - return 0; - } - for (i = 0; i < get_method_n_ress(typ1); i++) { - if (!equal_type(get_method_res_type(typ1, i), get_method_res_type(typ2, i))) - return 0; - } - } break; - case tpo_union: { - if (get_union_n_members(typ1) != get_union_n_members(typ2)) return 0; - m = alloca(sizeof(entity *) * get_union_n_members(typ1)); - memset(m, 0, sizeof(entity *) * get_union_n_members(typ1)); - /* First sort the members of lt */ - for (i = 0; i < get_union_n_members(typ1); i++) { - entity *e1 = get_union_member(typ1, i); - for (j = 0; j < get_union_n_members(typ2); j++) { - entity *e2 = get_union_member(typ2, j); - if (get_entity_name(e1) == get_entity_name(e2)) - m[i] = e2; - } - } - for (i = 0; i < get_union_n_members(typ1); i++) { - if (!m[i] || /* Found no counterpart */ - !equal_entity(get_union_member(typ1, i), m[i])) - return 0; - } - } break; - case tpo_array: { - if (get_array_n_dimensions(typ1) != get_array_n_dimensions(typ2)) - return 0; - if (!equal_type(get_array_element_type(typ1), get_array_element_type(typ2))) - return 0; - for(i = 0; i < get_array_n_dimensions(typ1); i++) { - if (get_array_lower_bound(typ1, i) != get_array_lower_bound(typ2, i) || - get_array_upper_bound(typ1, i) != get_array_upper_bound(typ2, i)) - return 0; - if (get_array_order(typ1, i) != get_array_order(typ2, i)) - assert(0 && "type compare with different dimension orders not implemented"); - } - } break; - case tpo_enumeration: { - assert(0 && "enumerations not implemented"); - } break; - case tpo_pointer: { - if (get_pointer_points_to_type(typ1) != get_pointer_points_to_type(typ2)) - return 0; - } break; - case tpo_primitive: { - } break; - default: break; - } - return 1; -} - -/* Checks whether two types are structural comparable. */ -int smaller_type (type *st, type *lt) { - entity **m; - int i, j; - - if (st == lt) return 1; - - if (get_type_tpop_code(st) != get_type_tpop_code(lt)) - return 0; - - switch(get_type_tpop_code(st)) { - case tpo_class: { - return is_subclass_of(st, lt); - } break; - case tpo_struct: { - if (get_struct_n_members(st) != get_struct_n_members(lt)) return 0; - m = alloca(sizeof(entity *) * get_struct_n_members(st)); - memset(m, 0, sizeof(entity *) * get_struct_n_members(st)); - /* First sort the members of lt */ - for (i = 0; i < get_struct_n_members(st); i++) { - entity *se = get_struct_member(st, i); - for (j = 0; j < get_struct_n_members(lt); j++) { - entity *le = get_struct_member(lt, j); - if (get_entity_name(le) == get_entity_name(se)) - m[i] = le; - } - } - for (i = 0; i < get_struct_n_members(st); i++) { - if (!m[i] || /* Found no counterpart */ - !smaller_type(get_entity_type(get_struct_member(st, i)), - get_entity_type(m[i]))) - return 0; - } - } break; - case tpo_method: { - int n_param1, n_param2; - - /** FIXME: is this still 1? */ - if (get_method_variadicity(st) != get_method_variadicity(lt)) return 0; - if (get_method_n_ress(st) != get_method_n_ress(lt)) return 0; - if (get_method_calling_convention(st) != - get_method_calling_convention(lt)) return 0; - - if (get_method_variadicity(st) == variadicity_non_variadic) { - n_param1 = get_method_n_params(st); - n_param2 = get_method_n_params(lt); - } - else { - n_param1 = get_method_first_variadic_param_index(st); - n_param2 = get_method_first_variadic_param_index(lt); - } - - if (n_param1 != n_param2) return 0; - - for (i = 0; i < get_method_n_params(st); i++) { - if (!smaller_type(get_method_param_type(st, i), get_method_param_type(lt, i))) - return 0; - } - for (i = 0; i < get_method_n_ress(st); i++) { - if (!smaller_type(get_method_res_type(st, i), get_method_res_type(lt, i))) - return 0; - } - } break; - case tpo_union: { - if (get_union_n_members(st) != get_union_n_members(lt)) return 0; - m = alloca(sizeof(entity *) * get_union_n_members(st)); - memset(m, 0, sizeof(entity *) * get_union_n_members(st)); - /* First sort the members of lt */ - for (i = 0; i < get_union_n_members(st); i++) { - entity *se = get_union_member(st, i); - for (j = 0; j < get_union_n_members(lt); j++) { - entity *le = get_union_member(lt, j); - if (get_entity_name(le) == get_entity_name(se)) - m[i] = le; - } - } - for (i = 0; i < get_union_n_members(st); i++) { - if (!m[i] || /* Found no counterpart */ - !smaller_type(get_entity_type(get_union_member(st, i)), - get_entity_type(m[i]))) - return 0; - } - } break; - case tpo_array: { - type *set, *let; /* small/large elt. type */ - if (get_array_n_dimensions(st) != get_array_n_dimensions(lt)) - return 0; - set = get_array_element_type(st); - let = get_array_element_type(lt); - if (set != let) { - /* If the element types are different, set must be convertible - to let, and they must have the same size so that address - computations work out. To have a size the layout must - be fixed. */ - if ((get_type_state(set) != layout_fixed) || - (get_type_state(let) != layout_fixed)) - return 0; - if (!smaller_type(set, let) || - get_type_size_bits(set) != get_type_size_bits(let)) - return 0; - } - for(i = 0; i < get_array_n_dimensions(st); i++) { - if (get_array_lower_bound(lt, i)) - if(get_array_lower_bound(st, i) != get_array_lower_bound(lt, i)) - return 0; - if (get_array_upper_bound(lt, i)) - if(get_array_upper_bound(st, i) != get_array_upper_bound(lt, i)) - return 0; - } - } break; - case tpo_enumeration: { - assert(0 && "enumerations not implemented"); - } break; - case tpo_pointer: { - if (!smaller_type(get_pointer_points_to_type(st), - get_pointer_points_to_type(lt))) - return 0; - } break; - case tpo_primitive: { - if (!smaller_mode(get_type_mode(st), get_type_mode(lt))) - return 0; - } break; - default: break; - } - return 1; -} - -/*-----------------------------------------------------------------*/ -/* TYPE_CLASS */ -/*-----------------------------------------------------------------*/ - -/* create a new class type */ -type *new_d_type_class (ident *name, dbg_info *db) { - type *res; - - res = new_type(type_class, NULL, name, db); - - res->attr.ca.members = NEW_ARR_F (entity *, 0); - res->attr.ca.subtypes = NEW_ARR_F (type *, 0); - res->attr.ca.supertypes = NEW_ARR_F (type *, 0); - res->attr.ca.peculiarity = peculiarity_existent; - res->attr.ca.dfn = 0; - hook_new_type(res); - return res; -} - -type *new_type_class (ident *name) { - return new_d_type_class (name, NULL); -} - -void free_class_entities(type *clss) { - int i; - assert(clss && (clss->type_op == type_class)); - for (i = get_class_n_members(clss) - 1; i >= 0; --i) - free_entity(get_class_member(clss, i)); -} - -void free_class_attrs(type *clss) { - assert(clss && (clss->type_op == type_class)); - DEL_ARR_F(clss->attr.ca.members); - DEL_ARR_F(clss->attr.ca.subtypes); - DEL_ARR_F(clss->attr.ca.supertypes); -} - -/* manipulate private fields of class type */ -void add_class_member (type *clss, entity *member) { - assert(clss && (clss->type_op == type_class)); - assert(clss != get_entity_type(member) && "recursive type"); - ARR_APP1 (entity *, clss->attr.ca.members, member); -} - -int (get_class_n_members) (const type *clss) { - return _get_class_n_members(clss); -} - -int get_class_member_index(type *clss, entity *mem) { - int i; - assert(clss && (clss->type_op == type_class)); - for (i = 0; i < get_class_n_members(clss); i++) - if (get_class_member(clss, i) == mem) - return i; - return -1; -} - -entity *(get_class_member) (const type *clss, int pos) { - return _get_class_member(clss, pos); -} - -entity *get_class_member_by_name(type *clss, ident *name) { - int i, n_mem; - assert(clss && (clss->type_op == type_class)); - n_mem = get_class_n_members(clss); - for (i = 0; i < n_mem; ++i) { - entity *mem = get_class_member(clss, i); - if (get_entity_ident(mem) == name) return mem; - } - return NULL; -} - -void set_class_member (type *clss, entity *member, int pos) { - assert(clss && (clss->type_op == type_class)); - assert(pos >= 0 && pos < get_class_n_members(clss)); - clss->attr.ca.members[pos] = member; -} -void set_class_members (type *clss, entity **members, int arity) { - int i; - assert(clss && (clss->type_op == type_class)); - DEL_ARR_F(clss->attr.ca.members); - clss->attr.ca.members = NEW_ARR_F (entity *, 0); - for (i = 0; i < arity; i++) { - set_entity_owner(members[i], clss); - ARR_APP1 (entity *, clss->attr.ca.members, members[i]); - } -} -void remove_class_member(type *clss, entity *member) { - int i; - assert(clss && (clss->type_op == type_class)); - for (i = 0; i < (ARR_LEN (clss->attr.ca.members)); i++) { - if (clss->attr.ca.members[i] == member) { - for (; i < (ARR_LEN (clss->attr.ca.members)) - 1; i++) - clss->attr.ca.members[i] = clss->attr.ca.members[i + 1]; - ARR_SETLEN(entity*, clss->attr.ca.members, ARR_LEN(clss->attr.ca.members) - 1); - break; - } - } -} - -void add_class_subtype (type *clss, type *subtype) { - int i; - assert(clss && (clss->type_op == type_class)); - ARR_APP1 (type *, clss->attr.ca.subtypes, subtype); - for (i = 0; i < get_class_n_supertypes(subtype); i++) - if (get_class_supertype(subtype, i) == clss) - /* Class already registered */ - return; - ARR_APP1 (type *, subtype->attr.ca.supertypes, clss); -} -int get_class_n_subtypes (const type *clss) { - assert(clss && (clss->type_op == type_class)); - return (ARR_LEN (clss->attr.ca.subtypes)); -} -type *get_class_subtype (type *clss, int pos) { - assert(clss && (clss->type_op == type_class)); - assert(pos >= 0 && pos < get_class_n_subtypes(clss)); - return clss->attr.ca.subtypes[pos] = skip_tid(clss->attr.ca.subtypes[pos]); -} -int get_class_subtype_index(type *clss, const type *subclass) { - int i, n_subtypes = get_class_n_subtypes(clss); - assert(is_Class_type(subclass)); - for (i = 0; i < n_subtypes; ++i) { - if (get_class_subtype(clss, i) == subclass) return i; - } - return -1; -} -void set_class_subtype (type *clss, type *subtype, int pos) { - assert(clss && (clss->type_op == type_class)); - assert(pos >= 0 && pos < get_class_n_subtypes(clss)); - clss->attr.ca.subtypes[pos] = subtype; -} -void remove_class_subtype(type *clss, type *subtype) { - int i; - assert(clss && (clss->type_op == type_class)); - for (i = 0; i < (ARR_LEN (clss->attr.ca.subtypes)); i++) - if (clss->attr.ca.subtypes[i] == subtype) { - for (; i < (ARR_LEN (clss->attr.ca.subtypes))-1; i++) - clss->attr.ca.subtypes[i] = clss->attr.ca.subtypes[i+1]; - ARR_SETLEN(entity*, clss->attr.ca.subtypes, ARR_LEN(clss->attr.ca.subtypes) - 1); - break; - } -} - -void add_class_supertype (type *clss, type *supertype) { - int i; - assert(clss && (clss->type_op == type_class)); - assert(supertype && (supertype -> type_op == type_class)); - ARR_APP1 (type *, clss->attr.ca.supertypes, supertype); - for (i = 0; i < get_class_n_subtypes(supertype); i++) - if (get_class_subtype(supertype, i) == clss) - /* Class already registered */ - return; - ARR_APP1 (type *, supertype->attr.ca.subtypes, clss); -} -int get_class_n_supertypes (const type *clss) { - assert(clss && (clss->type_op == type_class)); - return (ARR_LEN (clss->attr.ca.supertypes)); -} -int get_class_supertype_index(type *clss, type *super_clss) { - int i, n_supertypes = get_class_n_supertypes(clss); - assert(super_clss && (super_clss->type_op == type_class)); - for (i = 0; i < n_supertypes; i++) - if (get_class_supertype(clss, i) == super_clss) - return i; - return -1; -} -type *get_class_supertype (type *clss, int pos) { - assert(clss && (clss->type_op == type_class)); - assert(pos >= 0 && pos < get_class_n_supertypes(clss)); - return clss->attr.ca.supertypes[pos] = skip_tid(clss->attr.ca.supertypes[pos]); -} -void set_class_supertype (type *clss, type *supertype, int pos) { - assert(clss && (clss->type_op == type_class)); - assert(pos >= 0 && pos < get_class_n_supertypes(clss)); - clss->attr.ca.supertypes[pos] = supertype; -} -void remove_class_supertype(type *clss, type *supertype) { - int i; - assert(clss && (clss->type_op == type_class)); - for (i = 0; i < (ARR_LEN (clss->attr.ca.supertypes)); i++) - if (clss->attr.ca.supertypes[i] == supertype) { - for(; i < (ARR_LEN (clss->attr.ca.supertypes))-1; i++) - clss->attr.ca.supertypes[i] = clss->attr.ca.supertypes[i+1]; - ARR_SETLEN(entity*, clss->attr.ca.supertypes, ARR_LEN(clss->attr.ca.supertypes) - 1); - break; - } -} - -const char *get_peculiarity_string(peculiarity p) { -#define X(a) case a: return #a - switch (p) { - X(peculiarity_description); - X(peculiarity_inherited); - X(peculiarity_existent); - } -#undef X - return "invalid peculiarity"; +ir_type *get_class_subtype(ir_type *clss, int pos) +{ + assert(clss && (clss->type_op == type_class)); + assert(pos >= 0 && pos < get_class_n_subtypes(clss)); + return clss->attr.ca.subtypes[pos]; +} + +int get_class_subtype_index(ir_type *clss, const ir_type *subclass) +{ + int i, n_subtypes = get_class_n_subtypes(clss); + assert(is_Class_type(subclass)); + for (i = 0; i < n_subtypes; ++i) { + if (get_class_subtype(clss, i) == subclass) return i; + } + return -1; +} + +void set_class_subtype(ir_type *clss, ir_type *subtype, int pos) +{ + assert(clss && (clss->type_op == type_class)); + assert(pos >= 0 && pos < get_class_n_subtypes(clss)); + clss->attr.ca.subtypes[pos] = subtype; } -peculiarity get_class_peculiarity (const type *clss) { - assert(clss && (clss->type_op == type_class)); - return clss->attr.ca.peculiarity; +void remove_class_subtype(ir_type *clss, ir_type *subtype) +{ + int i; + assert(clss && (clss->type_op == type_class)); + for (i = 0; i < (ARR_LEN (clss->attr.ca.subtypes)); i++) + if (clss->attr.ca.subtypes[i] == subtype) { + for (; i < (ARR_LEN (clss->attr.ca.subtypes))-1; i++) + clss->attr.ca.subtypes[i] = clss->attr.ca.subtypes[i+1]; + ARR_SETLEN(ir_type*, clss->attr.ca.subtypes, ARR_LEN(clss->attr.ca.subtypes) - 1); + break; + } +} + +void add_class_supertype(ir_type *clss, ir_type *supertype) +{ + int i; + assert(clss && (clss->type_op == type_class)); + assert(supertype && (supertype -> type_op == type_class)); + ARR_APP1 (ir_type *, clss->attr.ca.supertypes, supertype); + for (i = get_class_n_subtypes(supertype) - 1; i >= 0; --i) + if (get_class_subtype(supertype, i) == clss) + /* Class already registered */ + return; + ARR_APP1(ir_type *, supertype->attr.ca.subtypes, clss); +} + +int get_class_n_supertypes(const ir_type *clss) +{ + assert(clss && (clss->type_op == type_class)); + return ARR_LEN(clss->attr.ca.supertypes); +} + +int get_class_supertype_index(ir_type *clss, ir_type *super_clss) +{ + int i, n_supertypes = get_class_n_supertypes(clss); + assert(super_clss && (super_clss->type_op == type_class)); + for (i = 0; i < n_supertypes; i++) + if (get_class_supertype(clss, i) == super_clss) + return i; + return -1; } -void set_class_peculiarity (type *clss, peculiarity pec) { - assert(clss && (clss->type_op == type_class)); - assert(pec != peculiarity_inherited); /* There is no inheritance of types in libFirm. */ - clss->attr.ca.peculiarity = pec; +ir_type *get_class_supertype(ir_type *clss, int pos) +{ + assert(clss && (clss->type_op == type_class)); + assert(pos >= 0 && pos < get_class_n_supertypes(clss)); + return clss->attr.ca.supertypes[pos]; } -void set_class_dfn (type *clss, int dfn) +void set_class_supertype(ir_type *clss, ir_type *supertype, int pos) { - clss->attr.ca.dfn = dfn; + assert(clss && (clss->type_op == type_class)); + assert(pos >= 0 && pos < get_class_n_supertypes(clss)); + clss->attr.ca.supertypes[pos] = supertype; } -int get_class_dfn (const type *clss) +void remove_class_supertype(ir_type *clss, ir_type *supertype) +{ + int i; + assert(clss && (clss->type_op == type_class)); + for (i = 0; i < (ARR_LEN(clss->attr.ca.supertypes)); i++) + if (clss->attr.ca.supertypes[i] == supertype) { + for (; i < (ARR_LEN(clss->attr.ca.supertypes))-1; i++) + clss->attr.ca.supertypes[i] = clss->attr.ca.supertypes[i+1]; + ARR_SETLEN(ir_type*, clss->attr.ca.supertypes, ARR_LEN(clss->attr.ca.supertypes) - 1); + break; + } +} + +ir_entity *get_class_type_info(const ir_type *clss) { - return (clss->attr.ca.dfn); + return clss->attr.ca.type_info; } -/* typecheck */ -int (is_Class_type)(const type *clss) { - return _is_class_type(clss); +void set_class_type_info(ir_type *clss, ir_entity *ent) +{ + clss->attr.ca.type_info = ent; + if (ent) + ent->repr_class = clss; } -void set_class_mode(type *tp, ir_mode *mode) { - /* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */ - assert(get_type_state(tp) == layout_fixed && - tp->size == get_mode_size_bits(mode) && "mode don't match class layout"); - tp->mode = mode; +ir_peculiarity get_class_peculiarity(const ir_type *clss) +{ + assert(clss && (clss->type_op == type_class)); + return clss->attr.ca.peculiarity; } -void set_class_size_bits(type *tp, int size) { - /* argh: we must allow to set negative values as "invalid size" */ - tp->size = (size >= 0) ? (size + 7) & ~7 : size; - assert(tp->size == size && "setting a bit size is NOT allowed for this type"); +void set_class_peculiarity(ir_type *clss, ir_peculiarity pec) +{ + assert(clss && (clss->type_op == type_class)); + assert(pec != peculiarity_inherited); /* There is no inheritance of types in libFirm. */ + clss->attr.ca.peculiarity = pec; } -/*----------------------------------------------------------------**/ -/* TYPE_STRUCT */ -/*----------------------------------------------------------------**/ +unsigned (get_class_vtable_size)(const ir_type *clss) +{ + return _get_class_vtable_size(clss); +} -/* create a new type struct */ -type *new_d_type_struct(ident *name, dbg_info *db) { - type *res = new_type(type_struct, NULL, name, db); +void (set_class_vtable_size)(ir_type *clss, unsigned size) +{ + _set_class_vtable_size(clss, size); +} - res->attr.sa.members = NEW_ARR_F(entity *, 0); - hook_new_type(res); - return res; +int (is_class_final)(const ir_type *clss) +{ + return _is_class_final(clss); } -type *new_type_struct (ident *name) { - return new_d_type_struct (name, NULL); +void (set_class_final)(ir_type *clss, int flag) +{ + _set_class_final(clss, flag); } -void free_struct_entities (type *strct) { - int i; - assert(strct && (strct->type_op == type_struct)); - for (i = get_struct_n_members(strct)-1; i >= 0; --i) - free_entity(get_struct_member(strct, i)); +int (is_class_interface)(const ir_type *clss) +{ + return _is_class_interface(clss); } -void free_struct_attrs (type *strct) { - assert(strct && (strct->type_op == type_struct)); - DEL_ARR_F(strct->attr.sa.members); + +void (set_class_interface)(ir_type *clss, int flag) +{ + _set_class_interface(clss, flag); } -/* manipulate private fields of struct */ -int get_struct_n_members (const type *strct) { - assert(strct && (strct->type_op == type_struct)); - return (ARR_LEN (strct->attr.sa.members)); +int (is_class_abstract)(const ir_type *clss) +{ + return _is_class_abstract(clss); } -void add_struct_member (type *strct, entity *member) { - assert(strct && (strct->type_op == type_struct)); - assert(get_type_tpop(get_entity_type(member)) != type_method); - /* @@@ lowerfirm geht nicht durch */ - assert(strct != get_entity_type(member) && "recursive type"); - ARR_APP1 (entity *, strct->attr.sa.members, member); +void (set_class_abstract)(ir_type *clss, int final) +{ + _set_class_abstract(clss, final); } -entity *get_struct_member (const type *strct, int pos) { - assert(strct && (strct->type_op == type_struct)); - assert(pos >= 0 && pos < get_struct_n_members(strct)); - return strct->attr.sa.members[pos]; +void set_class_dfn(ir_type *clss, int dfn) +{ + clss->attr.ca.dfn = dfn; } -int get_struct_member_index(type *strct, entity *mem) { - int i; - assert(strct && (strct->type_op == type_struct)); - for (i = 0; i < get_struct_n_members(strct); i++) - if (get_struct_member(strct, i) == mem) - return i; - return -1; +int get_class_dfn(const ir_type *clss) +{ + return (clss->attr.ca.dfn); } -void set_struct_member (type *strct, int pos, entity *member) { - assert(strct && (strct->type_op == type_struct)); - assert(pos >= 0 && pos < get_struct_n_members(strct)); - assert(get_entity_type(member)->type_op != type_method);/* @@@ lowerfirm !!*/ - strct->attr.sa.members[pos] = member; +int (is_Class_type)(const ir_type *clss) +{ + return _is_class_type(clss); } -void remove_struct_member(type *strct, entity *member) { - int i; - assert(strct && (strct->type_op == type_struct)); - for (i = 0; i < (ARR_LEN (strct->attr.sa.members)); i++) - if (strct->attr.sa.members[i] == member) { - for(; i < (ARR_LEN (strct->attr.sa.members))-1; i++) - strct->attr.sa.members[i] = strct->attr.sa.members[i+1]; - ARR_SETLEN(entity*, strct->attr.sa.members, ARR_LEN(strct->attr.sa.members) - 1); - break; - } + +void set_class_mode(ir_type *tp, ir_mode *mode) +{ + /* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */ + assert(get_type_state(tp) == layout_fixed && + tp->size == get_mode_size_bytes(mode) && "mode don't match class layout"); + tp->mode = mode; } -/* typecheck */ -int (is_Struct_type)(const type *strct) { - return _is_struct_type(strct); +void set_class_size(ir_type *tp, unsigned size) +{ + tp->size = size; } -void set_struct_mode(type *tp, ir_mode *mode) { - /* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */ - assert(get_type_state(tp) == layout_fixed && - tp->size == get_mode_size_bits(mode) && "mode don't match struct layout"); - tp->mode = mode; + +ir_type *new_d_type_struct(ident *name, type_dbg_info *db) +{ + ir_type *res = new_type(type_struct, NULL, db); + res->name = name; + + res->attr.sa.members = NEW_ARR_F(ir_entity *, 0); + hook_new_type(res); + return res; } -void set_struct_size_bits(type *tp, int size) { - /* argh: we must allow to set negative values as "invalid size" */ - tp->size = (size >= 0) ? (size + 7) & ~7 : size; - assert(tp->size == size && "setting a bit size is NOT allowed for this type"); +ir_type *new_type_struct(ident *name) +{ + return new_d_type_struct (name, NULL); +} + +void free_struct_entities(ir_type *strct) +{ + int i; + assert(strct && (strct->type_op == type_struct)); + for (i = get_struct_n_members(strct)-1; i >= 0; --i) + free_entity(get_struct_member(strct, i)); +} + +void free_struct_attrs(ir_type *strct) +{ + assert(strct && (strct->type_op == type_struct)); + DEL_ARR_F(strct->attr.sa.members); +} + +ident *get_struct_ident(const ir_type *strct) +{ + assert(strct->type_op == type_struct); + return strct->name; +} + +const char *get_struct_name(const ir_type *strct) +{ + if (get_struct_ident(strct) == NULL) + return NULL; + return get_id_str(get_struct_ident(strct)); +} + +int get_struct_n_members(const ir_type *strct) +{ + assert(strct && (strct->type_op == type_struct)); + return ARR_LEN(strct->attr.sa.members); +} + +static void add_struct_member(ir_type *strct, ir_entity *member) +{ + assert(strct && (strct->type_op == type_struct)); + assert(get_type_tpop(get_entity_type(member)) != type_method); + assert(strct != get_entity_type(member) && "recursive type"); + ARR_APP1 (ir_entity *, strct->attr.sa.members, member); +} + +ir_entity *get_struct_member(const ir_type *strct, int pos) +{ + assert(strct && (strct->type_op == type_struct)); + assert(pos >= 0 && pos < get_struct_n_members(strct)); + return strct->attr.sa.members[pos]; +} + +int get_struct_member_index(const ir_type *strct, ir_entity *mem) +{ + int i, n; + assert(strct && (strct->type_op == type_struct)); + for (i = 0, n = get_struct_n_members(strct); i < n; ++i) + if (get_struct_member(strct, i) == mem) + return i; + return -1; +} + +void set_struct_member(ir_type *strct, int pos, ir_entity *member) +{ + assert(strct && (strct->type_op == type_struct)); + assert(pos >= 0 && pos < get_struct_n_members(strct)); + assert(get_entity_type(member)->type_op != type_method);/* @@@ lowerfirm !!*/ + strct->attr.sa.members[pos] = member; +} + +static void remove_struct_member(ir_type *strct, ir_entity *member) +{ + int i; + assert(strct && (strct->type_op == type_struct)); + for (i = 0; i < (ARR_LEN (strct->attr.sa.members)); i++) + if (strct->attr.sa.members[i] == member) { + for (; i < (ARR_LEN (strct->attr.sa.members))-1; i++) + strct->attr.sa.members[i] = strct->attr.sa.members[i+1]; + ARR_SETLEN(ir_entity*, strct->attr.sa.members, ARR_LEN(strct->attr.sa.members) - 1); + break; + } +} + +int (is_Struct_type)(const ir_type *strct) +{ + return _is_struct_type(strct); +} + +void set_struct_mode(ir_type *tp, ir_mode *mode) +{ + /* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */ + assert(get_type_state(tp) == layout_fixed && + tp->size == get_mode_size_bytes(mode) && "mode don't match struct layout"); + tp->mode = mode; +} + +void set_struct_size(ir_type *tp, unsigned size) +{ + tp->size = size; } -/*******************************************************************/ -/** TYPE_METHOD **/ -/*******************************************************************/ /** * Lazy construction of value argument / result representation. @@ -1096,774 +1184,1247 @@ void set_struct_size_bits(type *tp, int size) { * @param len number of fields * @param tps array of field types with length len */ -static INLINE type * -build_value_type(ident *name, int len, tp_ent_pair *tps) { - int i; - type *res = new_type_struct(name); - /* Remove type from type list. Must be treated differently than other types. */ - remove_irp_type(res); - for (i = 0; i < len; i++) { - /* use res as default if corresponding type is not yet set. */ - type *elt_type = tps[i].tp ? tps[i].tp : res; - - tps[i].ent = new_entity(res, mangle_u(name, get_type_ident(elt_type)), elt_type); - } - return res; -} - -/* Create a new method type. - N_param is the number of parameters, n_res the number of results. */ -type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db) { - type *res; - - assert((get_mode_size_bytes(mode_P_code) != -1) && "unorthodox modes not implemented"); - res = new_type(type_method, mode_P_code, name, db); - res->state = layout_fixed; - res->size = get_mode_size_bits(mode_P_code); - res->attr.ma.n_params = n_param; - res->attr.ma.param_type = xcalloc(n_param, sizeof(res->attr.ma.param_type[0])); - res->attr.ma.value_params = NULL; - res->attr.ma.n_res = n_res; - res->attr.ma.res_type = xcalloc(n_res, sizeof(res->attr.ma.res_type[0])); - res->attr.ma.value_ress = NULL; - res->attr.ma.variadicity = variadicity_non_variadic; - res->attr.ma.first_variadic_param = -1; - res->attr.ma.irg_calling_conv = default_cc_mask; - hook_new_type(res); - return res; -} - -type *new_type_method(ident *name, int n_param, int n_res) { - return new_d_type_method(name, n_param, n_res, NULL); -} - -void free_method_entities(type *method) { - assert(method && (method->type_op == type_method)); -} - -/* Attention: also frees entities in value parameter subtypes! */ -void free_method_attrs(type *method) { - assert(method && (method->type_op == type_method)); - free(method->attr.ma.param_type); - free(method->attr.ma.res_type); - if (method->attr.ma.value_params) { - free_type_entities(method->attr.ma.value_params); - free_type(method->attr.ma.value_params); - } - if (method->attr.ma.value_ress) { - free_type_entities(method->attr.ma.value_ress); - free_type(method->attr.ma.value_ress); - } -} - -/* manipulate private fields of method. */ -int (get_method_n_params)(const type *method) { - return _get_method_n_params(method); -} - -type *get_method_param_type(type *method, int pos) { - type *res; - assert(method && (method->type_op == type_method)); - assert(pos >= 0 && pos < get_method_n_params(method)); - res = method->attr.ma.param_type[pos].tp; - assert(res != NULL && "empty method param type"); - return method->attr.ma.param_type[pos].tp = skip_tid(res); -} - -void set_method_param_type(type *method, int pos, type* tp) { - assert(method && (method->type_op == type_method)); - assert(pos >= 0 && pos < get_method_n_params(method)); - method->attr.ma.param_type[pos].tp = tp; - /* If information constructed set pass-by-value representation. */ - if (method->attr.ma.value_params) { - assert(get_method_n_params(method) == get_struct_n_members(method->attr.ma.value_params)); - set_entity_type(get_struct_member(method->attr.ma.value_params, pos), tp); - } -} - -/* Returns an entity that represents the copied value argument. Only necessary - for compounds passed by value. */ -entity *get_method_value_param_ent(type *method, int pos) { - assert(method && (method->type_op == type_method)); - assert(pos >= 0 && pos < get_method_n_params(method)); - - if (!method->attr.ma.value_params) { - /* parameter value type not created yet, build */ - method->attr.ma.value_params - = build_value_type(mangle_u(get_type_ident(method), value_params_suffix), - get_method_n_params(method), method->attr.ma.param_type); - } - /* - * build_value_type() sets the method->attr.ma.value_params type as default if - * no type is set! - */ - assert((get_entity_type(method->attr.ma.param_type[pos].ent) != method->attr.ma.value_params) - && "param type not yet set"); - return method->attr.ma.param_type[pos].ent; +static ir_type *build_value_type(char const* name, int len, tp_ent_pair *tps) +{ + int i; + ir_type *res = new_type_struct(new_id_from_str(name)); + res->flags |= tf_value_param_type; + /* Remove type from type list. Must be treated differently than other types. */ + remove_irp_type(res); + for (i = 0; i < len; i++) { + ident *id = tps[i].param_name; + + /* use res as default if corresponding type is not yet set. */ + ir_type *elt_type = tps[i].tp ? tps[i].tp : res; + + /* use the parameter name if specified */ + if (id == NULL) { + id = new_id_from_str("elt"); + } + tps[i].ent = new_entity(res, id, elt_type); + set_entity_allocation(tps[i].ent, allocation_parameter); + } + return res; +} + +ir_type *new_d_type_method(int n_param, int n_res, type_dbg_info *db) +{ + ir_type *res; + + assert((get_mode_size_bits(mode_P_code) % 8 == 0) && "unorthodox modes not implemented"); + res = new_type(type_method, mode_P_code, db); + res->flags |= tf_layout_fixed; + res->size = get_mode_size_bytes(mode_P_code); + res->attr.ma.n_params = n_param; + res->attr.ma.params = XMALLOCNZ(tp_ent_pair, n_param); + res->attr.ma.value_params = NULL; + res->attr.ma.n_res = n_res; + res->attr.ma.res_type = XMALLOCNZ(tp_ent_pair, n_res); + res->attr.ma.value_ress = NULL; + res->attr.ma.variadicity = variadicity_non_variadic; + res->attr.ma.first_variadic_param = -1; + res->attr.ma.additional_properties = mtp_no_property; + hook_new_type(res); + return res; +} + +ir_type *new_type_method(int n_param, int n_res) +{ + return new_d_type_method(n_param, n_res, NULL); } -/* - * Returns a type that represents the copied value arguments. - */ -type *get_method_value_param_type(const type *method) +ir_type *clone_type_method(ir_type *tp) +{ + ir_type *res; + ir_mode *mode; + int n_params, n_res; + type_dbg_info *db; + + assert(is_Method_type(tp)); + + mode = tp->mode; + n_params = tp->attr.ma.n_params; + n_res = tp->attr.ma.n_res; + db = tp->dbi; + + res = new_type(type_method, mode, db); + + res->flags = tp->flags; + res->assoc_type = tp->assoc_type; + res->size = tp->size; + res->attr.ma.n_params = n_params; + res->attr.ma.params = XMALLOCN(tp_ent_pair, n_params); + memcpy(res->attr.ma.params, tp->attr.ma.params, n_params * sizeof(res->attr.ma.params[0])); + res->attr.ma.value_params = tp->attr.ma.value_params; + res->attr.ma.n_res = n_res; + res->attr.ma.res_type = XMALLOCN(tp_ent_pair, n_res); + memcpy(res->attr.ma.res_type, tp->attr.ma.res_type, n_res * sizeof(res->attr.ma.res_type[0])); + res->attr.ma.value_ress = tp->attr.ma.value_ress; + res->attr.ma.variadicity = tp->attr.ma.variadicity; + res->attr.ma.first_variadic_param = tp->attr.ma.first_variadic_param; + res->attr.ma.additional_properties = tp->attr.ma.additional_properties; + res->attr.ma.irg_calling_conv = tp->attr.ma.irg_calling_conv; + hook_new_type(res); + return res; +} + +void free_method_entities(ir_type *method) { - assert(method && (method->type_op == type_method)); - return method->attr.ma.value_params; + (void) method; + assert(method && (method->type_op == type_method)); } -int (get_method_n_ress)(const type *method) { - return _get_method_n_ress(method); +void free_method_attrs(ir_type *method) +{ + assert(method && (method->type_op == type_method)); + free(method->attr.ma.params); + free(method->attr.ma.res_type); + /* cannot free it yet, type could be cloned ... + if (method->attr.ma.value_params) { + free_type_entities(method->attr.ma.value_params); + free_type(method->attr.ma.value_params); + } + */ + if (method->attr.ma.value_ress) { + free_type_entities(method->attr.ma.value_ress); + free_type(method->attr.ma.value_ress); + } +} + +int (get_method_n_params)(const ir_type *method) +{ + return _get_method_n_params(method); } -type *get_method_res_type(type *method, int pos) { - type *res; - assert(method && (method->type_op == type_method)); - assert(pos >= 0 && pos < get_method_n_ress(method)); - res = method->attr.ma.res_type[pos].tp; - assert(res != NULL && "empty method return type"); - return method->attr.ma.res_type[pos].tp = skip_tid(res); +ir_type *get_method_param_type(ir_type *method, int pos) +{ + ir_type *res; + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + res = method->attr.ma.params[pos].tp; + assert(res != NULL && "empty method param type"); + return res; } -void set_method_res_type(type *method, int pos, type* tp) { - assert(method && (method->type_op == type_method)); - assert(pos >= 0 && pos < get_method_n_ress(method)); - /* set the result type */ - method->attr.ma.res_type[pos].tp = tp; - /* If information constructed set pass-by-value representation. */ - if (method->attr.ma.value_ress) { - assert(get_method_n_ress(method) == get_struct_n_members(method->attr.ma.value_ress)); - set_entity_type(get_struct_member(method->attr.ma.value_ress, pos), tp); - } +void set_method_param_type(ir_type *method, int pos, ir_type *tp) +{ + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + method->attr.ma.params[pos].tp = tp; + /* If information constructed set pass-by-value representation. */ + if (method->attr.ma.value_params) { + assert(get_method_n_params(method) == get_struct_n_members(method->attr.ma.value_params)); + set_entity_type(get_struct_member(method->attr.ma.value_params, pos), tp); + } } -/* Returns an entity that represents the copied value result. Only necessary - for compounds passed by value. */ -entity *get_method_value_res_ent(type *method, int pos) { - assert(method && (method->type_op == type_method)); - assert(pos >= 0 && pos < get_method_n_ress(method)); +ident *get_method_param_ident(ir_type *method, int pos) +{ + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + return method->attr.ma.params[pos].param_name; +} - if (!method->attr.ma.value_ress) { - /* result value type not created yet, build */ - method->attr.ma.value_ress - = build_value_type(mangle_u(get_type_ident(method), value_ress_suffix), - get_method_n_ress(method), method->attr.ma.res_type); - } - /* - * build_value_type() sets the method->attr.ma.value_ress type as default if - * no type is set! - */ - assert((get_entity_type(method->attr.ma.res_type[pos].ent) != method->attr.ma.value_ress) - && "result type not yet set"); +const char *get_method_param_name(ir_type *method, int pos) +{ + ident *id = get_method_param_ident(method, pos); + return id ? get_id_str(id) : NULL; +} - return method->attr.ma.res_type[pos].ent; +void set_method_param_ident(ir_type *method, int pos, ident *id) +{ + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + method->attr.ma.params[pos].param_name = id; } -/* - * Returns a type that represents the copied value results. - */ -type *get_method_value_res_type(const type *method) { - assert(method && (method->type_op == type_method)); - return method->attr.ma.value_ress; +ir_entity *get_method_value_param_ent(ir_type *method, int pos) +{ + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_params(method)); + + if (!method->attr.ma.value_params) { + /* parameter value type not created yet, build */ + method->attr.ma.value_params = build_value_type("", + get_method_n_params(method), method->attr.ma.params); + } + /* + * build_value_type() sets the method->attr.ma.value_params type as default if + * no type is set! + */ + assert((get_entity_type(method->attr.ma.params[pos].ent) != method->attr.ma.value_params) + && "param type not yet set"); + return method->attr.ma.params[pos].ent; +} + +void set_method_value_param_type(ir_type *method, ir_type *tp) +{ + int i, n; + + assert(method && (method->type_op == type_method)); + assert(is_value_param_type(tp)); + assert(get_method_n_params(method) == get_struct_n_members(tp)); + + method->attr.ma.value_params = tp; + + n = get_struct_n_members(tp); + for (i = 0; i < n; i++) { + ir_entity *ent = get_struct_member(tp, i); + method->attr.ma.params[i].ent = ent; + } +} + +ir_type *get_method_value_param_type(const ir_type *method) +{ + assert(method && (method->type_op == type_method)); + return method->attr.ma.value_params; +} + +int (get_method_n_ress)(const ir_type *method) +{ + return _get_method_n_ress(method); +} + +ir_type *get_method_res_type(ir_type *method, int pos) +{ + ir_type *res; + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_ress(method)); + res = method->attr.ma.res_type[pos].tp; + assert(res != NULL && "empty method return type"); + return res; } -/* Returns the null-terminated name of this variadicity. */ -const char *get_variadicity_name(variadicity vari) +void set_method_res_type(ir_type *method, int pos, ir_type *tp) +{ + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_ress(method)); + /* set the result ir_type */ + method->attr.ma.res_type[pos].tp = tp; + /* If information constructed set pass-by-value representation. */ + if (method->attr.ma.value_ress) { + assert(get_method_n_ress(method) == get_struct_n_members(method->attr.ma.value_ress)); + set_entity_type(get_struct_member(method->attr.ma.value_ress, pos), tp); + } +} + +ir_entity *get_method_value_res_ent(ir_type *method, int pos) +{ + assert(method && (method->type_op == type_method)); + assert(pos >= 0 && pos < get_method_n_ress(method)); + + if (!method->attr.ma.value_ress) { + /* result value type not created yet, build */ + method->attr.ma.value_ress = build_value_type("", + get_method_n_ress(method), method->attr.ma.res_type); + } + /* + * build_value_type() sets the method->attr.ma.value_ress type as default if + * no type is set! + */ + assert((get_entity_type(method->attr.ma.res_type[pos].ent) != method->attr.ma.value_ress) + && "result type not yet set"); + + return method->attr.ma.res_type[pos].ent; +} + +ir_type *get_method_value_res_type(const ir_type *method) +{ + assert(method && (method->type_op == type_method)); + return method->attr.ma.value_ress; +} + +const char *get_variadicity_name(ir_variadicity vari) { #define X(a) case a: return #a - switch (vari) { - X(variadicity_non_variadic); - X(variadicity_variadic); - default: - return "BAD VALUE"; - } + switch (vari) { + X(variadicity_non_variadic); + X(variadicity_variadic); + default: + return "BAD VALUE"; + } #undef X } -variadicity get_method_variadicity(const type *method) +ir_variadicity get_method_variadicity(const ir_type *method) { - assert(method && (method->type_op == type_method)); - return method->attr.ma.variadicity; + assert(method && (method->type_op == type_method)); + return method->attr.ma.variadicity; } -void set_method_variadicity(type *method, variadicity vari) +void set_method_variadicity(ir_type *method, ir_variadicity vari) { - assert(method && (method->type_op == type_method)); - method->attr.ma.variadicity = vari; + assert(method && (method->type_op == type_method)); + method->attr.ma.variadicity = vari; } -/* - * Returns the first variadic parameter index of a type. - * If this index was NOT set, the index of the last parameter - * of the method type plus one is returned for variadic functions. - * Non-variadic function types always return -1 here. - */ -int get_method_first_variadic_param_index(const type *method) +int get_method_first_variadic_param_index(const ir_type *method) { - assert(method && (method->type_op == type_method)); + assert(method && (method->type_op == type_method)); - if (method->attr.ma.variadicity == variadicity_non_variadic) - return -1; + if (method->attr.ma.variadicity == variadicity_non_variadic) + return -1; - if (method->attr.ma.first_variadic_param == -1) - return get_method_n_params(method); - return method->attr.ma.first_variadic_param; + if (method->attr.ma.first_variadic_param == -1) + return get_method_n_params(method); + return method->attr.ma.first_variadic_param; } -/* - * Sets the first variadic parameter index. This allows to specify - * a complete call type (containing the type of all parameters) - * but still have the knowledge, which parameter must be passed as - * variadic one. - */ -void set_method_first_variadic_param_index(type *method, int index) +void set_method_first_variadic_param_index(ir_type *method, int index) { - assert(method && (method->type_op == type_method)); - assert(index >= 0 && index <= get_method_n_params(method)); + assert(method && (method->type_op == type_method)); + assert(index >= 0 && index <= get_method_n_params(method)); - method->attr.ma.first_variadic_param = index; + method->attr.ma.first_variadic_param = index; } -unsigned (get_method_additional_properties)(const type *method) { - return _get_method_additional_properties(method); +unsigned (get_method_additional_properties)(const ir_type *method) +{ + return _get_method_additional_properties(method); } -void (set_method_additional_properties)(type *method, unsigned mask) { - _set_method_additional_properties(method, mask); +void (set_method_additional_properties)(ir_type *method, unsigned mask) +{ + _set_method_additional_properties(method, mask); } -void (set_method_additional_property)(type *method, mtp_additional_property flag) { - _set_method_additional_property(method, flag); +void (set_method_additional_property)(ir_type *method, + mtp_additional_property flag) +{ + _set_method_additional_property(method, flag); } -/* Returns the calling convention of an entities graph. */ -unsigned (get_method_calling_convention)(const type *method) { - return _get_method_calling_convention(method); +unsigned (get_method_calling_convention)(const ir_type *method) +{ + return _get_method_calling_convention(method); } -/* Sets the calling convention of an entities graph. */ -void (set_method_calling_convention)(type *method, unsigned cc_mask) { - _set_method_calling_convention(method, cc_mask); +void (set_method_calling_convention)(ir_type *method, unsigned cc_mask) +{ + _set_method_calling_convention(method, cc_mask); } -/* Returns the number of register parameters in a fastcall. 0 means default. */ -unsigned get_method_fastcall_n_regs(type *method) { - assert(IS_FASTCALL(get_method_calling_convention(method)) && "not fastcall"); - return method->attr.ma.irg_calling_conv >> 8; +unsigned get_method_n_regparams(ir_type *method) +{ + unsigned cc = get_method_calling_convention(method); + assert(IS_FASTCALL(cc)); + + return cc & ~cc_bits; } -/* Sets the number of register parameters in a fastcall. 0 means default. */ -void set_method_fastcall_n_regs(type *method, unsigned n_regs) { - assert(IS_FASTCALL(get_method_calling_convention(method)) && "not fastcall"); - method->attr.ma.irg_calling_conv = n_regs << 8 | (method->attr.ma.irg_calling_conv & 0xFF); +void set_method_n_regparams(ir_type *method, unsigned n_regs) +{ + unsigned cc = get_method_calling_convention(method); + assert(IS_FASTCALL(cc)); + + set_method_calling_convention(method, (cc & cc_bits) | (n_regs & ~cc_bits)); } -/* typecheck */ -int (is_Method_type)(const type *method) { - return _is_method_type(method); +int (is_Method_type)(const ir_type *method) +{ + return _is_method_type(method); } -/*-----------------------------------------------------------------*/ -/* TYPE_UNION */ -/*-----------------------------------------------------------------*/ -/* create a new type uni */ -type *new_d_type_union(ident *name, dbg_info *db) { - type *res = new_type(type_union, NULL, name, db); +ir_type *new_d_type_union(ident *name, type_dbg_info *db) +{ + ir_type *res = new_type(type_union, NULL, db); + res->name = name; - res->attr.ua.members = NEW_ARR_F(entity *, 0); - hook_new_type(res); - return res; + res->attr.ua.members = NEW_ARR_F(ir_entity *, 0); + hook_new_type(res); + return res; } -type *new_type_union(ident *name) { - return new_d_type_union(name, NULL); +ir_type *new_type_union(ident *name) +{ + return new_d_type_union(name, NULL); } -void free_union_entities(type *uni) { - int i; - assert(uni && (uni->type_op == type_union)); - for (i = get_union_n_members(uni) - 1; i >= 0; --i) - free_entity(get_union_member(uni, i)); +void free_union_entities(ir_type *uni) +{ + int i; + assert(uni && (uni->type_op == type_union)); + for (i = get_union_n_members(uni) - 1; i >= 0; --i) + free_entity(get_union_member(uni, i)); } -void free_union_attrs (type *uni) { - assert(uni && (uni->type_op == type_union)); - DEL_ARR_F(uni->attr.ua.members); +void free_union_attrs (ir_type *uni) +{ + assert(uni && (uni->type_op == type_union)); + DEL_ARR_F(uni->attr.ua.members); } -/* manipulate private fields of union */ -int get_union_n_members (const type *uni) { - assert(uni && (uni->type_op == type_union)); - return (ARR_LEN (uni->attr.ua.members)); +ident *get_union_ident(const ir_type *uni) +{ + assert(uni->type_op == type_union); + return uni->name; } -void add_union_member (type *uni, entity *member) { - assert(uni && (uni->type_op == type_union)); - assert(uni != get_entity_type(member) && "recursive type"); - ARR_APP1 (entity *, uni->attr.ua.members, member); + +const char *get_union_name(const ir_type *uni) +{ + if (get_union_ident(uni) == NULL) + return NULL; + return get_id_str(get_union_ident(uni)); } -entity *get_union_member (const type *uni, int pos) { - assert(uni && (uni->type_op == type_union)); - assert(pos >= 0 && pos < get_union_n_members(uni)); - return uni->attr.ua.members[pos]; + +int get_union_n_members(const ir_type *uni) +{ + assert(uni && (uni->type_op == type_union)); + return ARR_LEN(uni->attr.ua.members); } -void set_union_member (type *uni, int pos, entity *member) { - assert(uni && (uni->type_op == type_union)); - assert(pos >= 0 && pos < get_union_n_members(uni)); - uni->attr.ua.members[pos] = member; + +static void add_union_member(ir_type *uni, ir_entity *member) +{ + assert(uni && (uni->type_op == type_union)); + assert(uni != get_entity_type(member) && "recursive type"); + ARR_APP1(ir_entity *, uni->attr.ua.members, member); } -void remove_union_member(type *uni, entity *member) { - int i; - assert(uni && (uni->type_op == type_union)); - for (i = 0; i < (ARR_LEN (uni->attr.ua.members)); i++) - if (uni->attr.ua.members[i] == member) { - for(; i < (ARR_LEN (uni->attr.ua.members))-1; i++) - uni->attr.ua.members[i] = uni->attr.ua.members[i+1]; - ARR_SETLEN(entity*, uni->attr.ua.members, ARR_LEN(uni->attr.ua.members) - 1); - break; - } + +ir_entity *get_union_member(const ir_type *uni, int pos) +{ + assert(uni && (uni->type_op == type_union)); + assert(pos >= 0 && pos < get_union_n_members(uni)); + return uni->attr.ua.members[pos]; } -/* typecheck */ -int (is_Union_type)(const type *uni) { - return _is_union_type(uni); +int get_union_member_index(const ir_type *uni, ir_entity *mem) +{ + int i, n; + assert(uni && (uni->type_op == type_union)); + for (i = 0, n = get_union_n_members(uni); i < n; ++i) { + if (get_union_member(uni, i) == mem) + return i; + } + return -1; +} + +void set_union_member(ir_type *uni, int pos, ir_entity *member) +{ + assert(uni && (uni->type_op == type_union)); + assert(pos >= 0 && pos < get_union_n_members(uni)); + uni->attr.ua.members[pos] = member; +} + +static void remove_union_member(ir_type *uni, ir_entity *member) +{ + int i; + assert(uni && (uni->type_op == type_union)); + for (i = 0; i < (ARR_LEN(uni->attr.ua.members)); i++) { + if (uni->attr.ua.members[i] == member) { + for (; i < (ARR_LEN(uni->attr.ua.members))-1; i++) + uni->attr.ua.members[i] = uni->attr.ua.members[i+1]; + ARR_SETLEN(ir_entity*, uni->attr.ua.members, ARR_LEN(uni->attr.ua.members) - 1); + break; + } + } +} + +int (is_Union_type)(const ir_type *uni) +{ + return _is_union_type(uni); } -void set_union_size_bits(type *tp, int size) { - /* argh: we must allow to set negative values as "invalid size" */ - tp->size = (size >= 0) ? (size + 7) & ~7 : size; - assert(tp->size == size && "setting a bit size is NOT allowed for this type"); +void set_union_size(ir_type *tp, unsigned size) +{ + tp->size = size; } -/*-----------------------------------------------------------------*/ -/* TYPE_ARRAY */ -/*-----------------------------------------------------------------*/ -/* create a new type array -- set dimension sizes independently */ -type *new_d_type_array(ident *name, int n_dimensions, type *element_type, dbg_info *db) { - type *res; - int i; - ir_node *unk; - ir_graph *rem = current_ir_graph; +ir_type *new_d_type_array(int n_dimensions, ir_type *element_type, + type_dbg_info *db) +{ + ir_type *res; + int i; + ir_node *unk; + ir_graph *irg = get_const_code_irg(); + + assert(!is_Method_type(element_type)); - assert(!is_Method_type(element_type)); + res = new_type(type_array, NULL, db); + res->attr.aa.n_dimensions = n_dimensions; + res->attr.aa.lower_bound = XMALLOCNZ(ir_node*, n_dimensions); + res->attr.aa.upper_bound = XMALLOCNZ(ir_node*, n_dimensions); + res->attr.aa.order = XMALLOCNZ(int, n_dimensions); - res = new_type(type_array, NULL, name, db); - res->attr.aa.n_dimensions = n_dimensions; - res->attr.aa.lower_bound = xcalloc(n_dimensions, sizeof(*res->attr.aa.lower_bound)); - res->attr.aa.upper_bound = xcalloc(n_dimensions, sizeof(*res->attr.aa.upper_bound)); - res->attr.aa.order = xcalloc(n_dimensions, sizeof(*res->attr.aa.order)); + unk = new_r_Unknown(irg, mode_Iu); + for (i = 0; i < n_dimensions; i++) { + res->attr.aa.lower_bound[i] = + res->attr.aa.upper_bound[i] = unk; + res->attr.aa.order[i] = i; + } - current_ir_graph = get_const_code_irg(); - unk = new_Unknown( mode_Iu); - for (i = 0; i < n_dimensions; i++) { - res->attr.aa.lower_bound[i] = - res->attr.aa.upper_bound[i] = unk; - res->attr.aa.order[i] = i; - } - current_ir_graph = rem; + res->attr.aa.element_type = element_type; + res->attr.aa.element_ent + = new_entity(NULL, new_id_from_chars("elem_ent", 8), element_type); + res->attr.aa.element_ent->owner = res; - res->attr.aa.element_type = element_type; - new_entity(res, mangle_u(name, new_id_from_chars("elem_ent", 8)), element_type); - hook_new_type(res); - return res; + hook_new_type(res); + return res; } -type *new_type_array(ident *name, int n_dimensions, type *element_type) { - return new_d_type_array(name, n_dimensions, element_type, NULL); +ir_type *new_type_array(int n_dimensions, ir_type *element_type) +{ + return new_d_type_array(n_dimensions, element_type, NULL); } -void free_array_automatic_entities(type *array) { - assert(array && (array->type_op == type_array)); - free_entity(get_array_element_entity(array)); +void free_array_automatic_entities(ir_type *array) +{ + assert(array && (array->type_op == type_array)); + free_entity(get_array_element_entity(array)); } -void free_array_entities (type *array) { - assert(array && (array->type_op == type_array)); +void free_array_entities (ir_type *array) +{ + (void) array; + assert(array && (array->type_op == type_array)); } -void free_array_attrs (type *array) { - assert(array && (array->type_op == type_array)); - free(array->attr.aa.lower_bound); - free(array->attr.aa.upper_bound); +void free_array_attrs (ir_type *array) +{ + assert(array && (array->type_op == type_array)); + free(array->attr.aa.lower_bound); + free(array->attr.aa.upper_bound); + free(array->attr.aa.order); } -/* manipulate private fields of array type */ -int get_array_n_dimensions (const type *array) { - assert(array && (array->type_op == type_array)); - return array->attr.aa.n_dimensions; +/* manipulate private fields of array ir_type */ +int get_array_n_dimensions (const ir_type *array) +{ + assert(array && (array->type_op == type_array)); + return array->attr.aa.n_dimensions; } -void -set_array_bounds (type *array, int dimension, ir_node * lower_bound, - ir_node * upper_bound) { - assert(array && (array->type_op == type_array)); - assert(lower_bound && "lower_bound node may not be NULL."); - assert(upper_bound && "upper_bound node may not be NULL."); - assert(dimension < array->attr.aa.n_dimensions && dimension >= 0); - array->attr.aa.lower_bound[dimension] = lower_bound; - array->attr.aa.upper_bound[dimension] = upper_bound; +void set_array_bounds(ir_type *array, int dimension, ir_node *lower_bound, + ir_node *upper_bound) +{ + assert(array && (array->type_op == type_array)); + assert(lower_bound && "lower_bound node may not be NULL."); + assert(upper_bound && "upper_bound node may not be NULL."); + assert(dimension < array->attr.aa.n_dimensions && dimension >= 0); + array->attr.aa.lower_bound[dimension] = lower_bound; + array->attr.aa.upper_bound[dimension] = upper_bound; } -void -set_array_bounds_int (type *array, int dimension, int lower_bound, - int upper_bound) { - ir_graph *rem = current_ir_graph; - current_ir_graph = get_const_code_irg(); - set_array_bounds (array, dimension, - new_Const(mode_Iu, new_tarval_from_long (lower_bound, mode_Iu)), - new_Const(mode_Iu, new_tarval_from_long (upper_bound, mode_Iu ))); - current_ir_graph = rem; -} -void -set_array_lower_bound (type *array, int dimension, ir_node * lower_bound) { - assert(array && (array->type_op == type_array)); - assert(lower_bound && "lower_bound node may not be NULL."); - array->attr.aa.lower_bound[dimension] = lower_bound; -} -void set_array_lower_bound_int (type *array, int dimension, int lower_bound) { - ir_graph *rem = current_ir_graph; - current_ir_graph = get_const_code_irg(); - set_array_lower_bound (array, dimension, - new_Const(mode_Iu, new_tarval_from_long (lower_bound, mode_Iu))); - current_ir_graph = rem; -} -void -set_array_upper_bound (type *array, int dimension, ir_node * upper_bound) { + +void set_array_bounds_int(ir_type *array, int dimension, int lower_bound, + int upper_bound) +{ + ir_graph *irg = get_const_code_irg(); + set_array_bounds(array, dimension, + new_r_Const_long(irg, mode_Iu, lower_bound), + new_r_Const_long(irg, mode_Iu, upper_bound)); +} + +void set_array_lower_bound(ir_type *array, int dimension, ir_node *lower_bound) +{ + assert(array && (array->type_op == type_array)); + assert(lower_bound && "lower_bound node may not be NULL."); + array->attr.aa.lower_bound[dimension] = lower_bound; +} + +void set_array_lower_bound_int(ir_type *array, int dimension, int lower_bound) +{ + ir_graph *irg = get_const_code_irg(); + set_array_lower_bound(array, dimension, + new_r_Const_long(irg, mode_Iu, lower_bound)); +} + +void set_array_upper_bound(ir_type *array, int dimension, ir_node *upper_bound) +{ assert(array && (array->type_op == type_array)); assert(upper_bound && "upper_bound node may not be NULL."); array->attr.aa.upper_bound[dimension] = upper_bound; } -void set_array_upper_bound_int (type *array, int dimension, int upper_bound) { - ir_graph *rem = current_ir_graph; - current_ir_graph = get_const_code_irg(); - set_array_upper_bound (array, dimension, - new_Const(mode_Iu, new_tarval_from_long (upper_bound, mode_Iu))); - current_ir_graph = rem; + +void set_array_upper_bound_int(ir_type *array, int dimension, int upper_bound) +{ + ir_graph *irg = get_const_code_irg(); + set_array_upper_bound(array, dimension, + new_r_Const_long(irg, mode_Iu, upper_bound)); } -int has_array_lower_bound (const type *array, int dimension) { - assert(array && (array->type_op == type_array)); - return (get_irn_op(array->attr.aa.lower_bound[dimension]) != op_Unknown); + +int has_array_lower_bound(const ir_type *array, int dimension) +{ + assert(array && (array->type_op == type_array)); + return !is_Unknown(array->attr.aa.lower_bound[dimension]); } -ir_node *get_array_lower_bound (const type *array, int dimension) { - assert(array && (array->type_op == type_array)); - return array->attr.aa.lower_bound[dimension]; + +ir_node *get_array_lower_bound(const ir_type *array, int dimension) +{ + assert(array && (array->type_op == type_array)); + return array->attr.aa.lower_bound[dimension]; } -long get_array_lower_bound_int (const type *array, int dimension) { - ir_node *node; - assert(array && (array->type_op == type_array)); - node = array->attr.aa.lower_bound[dimension]; - assert(get_irn_op(node) == op_Const); - return get_tarval_long(get_Const_tarval(node)); + +long get_array_lower_bound_int(const ir_type *array, int dimension) +{ + ir_node *node; + assert(array && (array->type_op == type_array)); + node = array->attr.aa.lower_bound[dimension]; + assert(is_Const(node)); + return get_tarval_long(get_Const_tarval(node)); } -int has_array_upper_bound (const type *array, int dimension) { - assert(array && (array->type_op == type_array)); - return (get_irn_op(array->attr.aa.upper_bound[dimension]) != op_Unknown); + +int has_array_upper_bound(const ir_type *array, int dimension) +{ + assert(array && (array->type_op == type_array)); + return !is_Unknown(array->attr.aa.upper_bound[dimension]); } -ir_node * get_array_upper_bound (const type *array, int dimension) { - assert(array && (array->type_op == type_array)); - return array->attr.aa.upper_bound[dimension]; + +ir_node *get_array_upper_bound(const ir_type *array, int dimension) +{ + assert(array && (array->type_op == type_array)); + return array->attr.aa.upper_bound[dimension]; } -long get_array_upper_bound_int (const type *array, int dimension) { - ir_node *node; - assert(array && (array->type_op == type_array)); - node = array->attr.aa.upper_bound[dimension]; - assert(get_irn_op(node) == op_Const); - return get_tarval_long(get_Const_tarval(node)); + +long get_array_upper_bound_int(const ir_type *array, int dimension) +{ + ir_node *node; + assert(array && (array->type_op == type_array)); + node = array->attr.aa.upper_bound[dimension]; + assert(is_Const(node)); + return get_tarval_long(get_Const_tarval(node)); } -void set_array_order (type *array, int dimension, int order) { - assert(array && (array->type_op == type_array)); - array->attr.aa.order[dimension] = order; +void set_array_order(ir_type *array, int dimension, int order) +{ + assert(array && (array->type_op == type_array)); + array->attr.aa.order[dimension] = order; } -int get_array_order (const type *array, int dimension) { - assert(array && (array->type_op == type_array)); - return array->attr.aa.order[dimension]; +int get_array_order(const ir_type *array, int dimension) +{ + assert(array && (array->type_op == type_array)); + return array->attr.aa.order[dimension]; } -int find_array_dimension(const type *array, int order) { - int dim; +int find_array_dimension(const ir_type *array, int order) +{ + int dim; - assert(array && (array->type_op == type_array)); + assert(array && (array->type_op == type_array)); - for (dim = 0; dim < array->attr.aa.n_dimensions; ++dim) { - if (array->attr.aa.order[dim] == order) - return dim; - } - return -1; + for (dim = 0; dim < array->attr.aa.n_dimensions; ++dim) { + if (array->attr.aa.order[dim] == order) + return dim; + } + return -1; } -void set_array_element_type (type *array, type *tp) { - assert(array && (array->type_op == type_array)); - assert(!is_Method_type(tp)); - array->attr.aa.element_type = tp; +void set_array_element_type(ir_type *array, ir_type *tp) +{ + assert(array && (array->type_op == type_array)); + assert(!is_Method_type(tp)); + array->attr.aa.element_type = tp; } -type *get_array_element_type (type *array) { - assert(array && (array->type_op == type_array)); - return array->attr.aa.element_type = skip_tid(array->attr.aa.element_type); + +ir_type *get_array_element_type(const ir_type *array) +{ + assert(array && (array->type_op == type_array)); + return array->attr.aa.element_type; } -void set_array_element_entity (type *array, entity *ent) { - assert(array && (array->type_op == type_array)); - assert((get_entity_type(ent)->type_op != type_method)); - array->attr.aa.element_ent = ent; - array->attr.aa.element_type = get_entity_type(ent); +void set_array_element_entity(ir_type *array, ir_entity *ent) +{ + assert(array && (array->type_op == type_array)); + assert((get_entity_type(ent)->type_op != type_method)); + array->attr.aa.element_ent = ent; + array->attr.aa.element_type = get_entity_type(ent); } -entity *get_array_element_entity (const type *array) { - assert(array && (array->type_op == type_array)); - return array->attr.aa.element_ent; + +ir_entity *get_array_element_entity(const ir_type *array) +{ + assert(array && (array->type_op == type_array)); + return array->attr.aa.element_ent; } -/* typecheck */ -int (is_Array_type)(const type *array) { - return _is_array_type(array); +int (is_Array_type)(const ir_type *array) +{ + return _is_array_type(array); } -void set_array_size_bits(type *tp, int size) { - /* FIXME: Here we should make some checks with the element type size */ - tp->size = size; +void set_array_size(ir_type *tp, unsigned size) +{ + /* FIXME: Here we should make some checks with the element type size */ + tp->size = size; } -/*-----------------------------------------------------------------*/ -/* TYPE_ENUMERATION */ -/*-----------------------------------------------------------------*/ -/* create a new type enumeration -- set the enumerators independently */ -type *new_d_type_enumeration(ident *name, int n_enums, dbg_info *db) { - type *res = new_type(type_enumeration, NULL, name, db); - res->attr.ea.n_enums = n_enums; - res->attr.ea.enumer = xcalloc(n_enums, sizeof(res->attr.ea.enumer[0])); - res->attr.ea.enum_nameid = xcalloc(n_enums, sizeof(res->attr.ea.enum_nameid[0])); - hook_new_type(res); - return res; +ir_type *new_d_type_enumeration(ident *name, int n_enums, type_dbg_info *db) +{ + ir_type *res; + + assert(n_enums >= 0); + res = new_type(type_enumeration, NULL, db); + res->name = name; + res->attr.ea.enumer = NEW_ARR_F(ir_enum_const, n_enums); + hook_new_type(res); + return res; } -type *new_type_enumeration(ident *name, int n_enums) { - return new_d_type_enumeration(name, n_enums, NULL); +ir_type *new_type_enumeration(ident *name, int n_enums) +{ + return new_d_type_enumeration(name, n_enums, NULL); } -void free_enumeration_entities(type *enumeration) { - assert(enumeration && (enumeration->type_op == type_enumeration)); +void free_enumeration_entities(ir_type *enumeration) +{ + (void) enumeration; + assert(enumeration && (enumeration->type_op == type_enumeration)); } -void free_enumeration_attrs(type *enumeration) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - free(enumeration->attr.ea.enumer); - free(enumeration->attr.ea.enum_nameid); + +void free_enumeration_attrs(ir_type *enumeration) +{ + assert(enumeration && (enumeration->type_op == type_enumeration)); + DEL_ARR_F(enumeration->attr.ea.enumer); } -/* manipulate fields of enumeration type. */ -int get_enumeration_n_enums (const type *enumeration) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - return enumeration->attr.ea.n_enums; +ident *get_enumeration_ident(const ir_type *enumeration) +{ + assert(enumeration->type_op == type_enumeration); + return enumeration->name; } -void set_enumeration_enum (type *enumeration, int pos, tarval *con) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - enumeration->attr.ea.enumer[pos] = con; + +const char *get_enumeration_name(const ir_type *enumeration) +{ + if (get_enumeration_ident(enumeration) == NULL) + return NULL; + return get_id_str(get_enumeration_ident(enumeration)); } -tarval *get_enumeration_enum (const type *enumeration, int pos) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - return enumeration->attr.ea.enumer[pos]; + +int get_enumeration_n_enums(const ir_type *enumeration) +{ + assert(enumeration && (enumeration->type_op == type_enumeration)); + return ARR_LEN(enumeration->attr.ea.enumer); } -void set_enumeration_nameid (type *enumeration, int pos, ident *id) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - enumeration->attr.ea.enum_nameid[pos] = id; + +void set_enumeration_const(ir_type *enumeration, int pos, ident *nameid, + tarval *con) +{ + assert(0 <= pos && pos < ARR_LEN(enumeration->attr.ea.enumer)); + enumeration->attr.ea.enumer[pos].nameid = nameid; + enumeration->attr.ea.enumer[pos].value = con; + enumeration->attr.ea.enumer[pos].owner = enumeration; +} + +ir_enum_const *get_enumeration_const(const ir_type *enumeration, int pos) +{ + assert(enumeration && (enumeration->type_op == type_enumeration)); + assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); + return &enumeration->attr.ea.enumer[pos]; +} + +ir_type *get_enumeration_owner(const ir_enum_const *enum_cnst) +{ + return enum_cnst->owner; +} + +void set_enumeration_value(ir_enum_const *enum_cnst, tarval *con) +{ + enum_cnst->value = con; +} + +tarval *get_enumeration_value(const ir_enum_const *enum_cnst) +{ + return enum_cnst->value; +} + +void set_enumeration_nameid(ir_enum_const *enum_cnst, ident *id) +{ + enum_cnst->nameid = id; } -ident *get_enumeration_nameid (const type *enumeration, int pos) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - return enumeration->attr.ea.enum_nameid[pos]; + +ident *get_enumeration_const_nameid(const ir_enum_const *enum_cnst) +{ + return enum_cnst->nameid; } -const char *get_enumeration_name(const type *enumeration, int pos) { - assert(enumeration && (enumeration->type_op == type_enumeration)); - assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration)); - return get_id_str(enumeration->attr.ea.enum_nameid[pos]); + +const char *get_enumeration_const_name(const ir_enum_const *enum_cnst) +{ + return get_id_str(enum_cnst->nameid); } -/* typecheck */ -int (is_Enumeration_type)(const type *enumeration) { - return _is_enumeration_type(enumeration); +int (is_Enumeration_type)(const ir_type *enumeration) +{ + return _is_enumeration_type(enumeration); } -void set_enumeration_mode(type *tp, ir_mode *mode) { - assert(mode_is_int(mode) && "Modes of enumerations must be integers"); - /* For pointer and enumeration size depends on the mode, but only byte size allowed. */ - assert((get_mode_size_bits(mode) & 7) == 0 && "unorthodox modes not implemented"); +void set_enumeration_mode(ir_type *tp, ir_mode *mode) +{ + assert(mode_is_int(mode) && "Modes of enumerations must be integers"); + /* For pointer and enumeration size depends on the mode, but only byte size allowed. */ + assert((get_mode_size_bits(mode) % 8) == 0 && "unorthodox modes not implemented"); - tp->size = get_mode_size_bits(mode); - tp->mode = mode; + tp->size = get_mode_size_bytes(mode); + tp->mode = mode; } -/*-----------------------------------------------------------------*/ -/* TYPE_POINTER */ -/*-----------------------------------------------------------------*/ -/* Create a new type pointer */ -type *new_d_type_pointer(ident *name, type *points_to, ir_mode *ptr_mode, dbg_info *db) { - type *res; - assert(mode_is_reference(ptr_mode)); - res = new_type(type_pointer, ptr_mode, name, db); - res->attr.pa.points_to = points_to; - assert((get_mode_size_bytes(res->mode) != -1) && "unorthodox modes not implemented"); - res->size = get_mode_size_bits(res->mode); - res->state = layout_fixed; - hook_new_type(res); - return res; +ir_type *new_d_type_pointer(ir_type *points_to, type_dbg_info *db) +{ + ir_type *res; + ir_mode *mode; + + if (is_Method_type(points_to) || is_code_type(points_to)) { + mode = mode_P_code; + } else { + mode = mode_P_data; + } + + res = new_type(type_pointer, mode, db); + res->attr.pa.points_to = points_to; + assert((get_mode_size_bits(res->mode) % 8 == 0) && "unorthodox modes not implemented"); + res->size = get_mode_size_bytes(res->mode); + res->flags |= tf_layout_fixed; + hook_new_type(res); + return res; } -type *new_type_pointer(ident *name, type *points_to, ir_mode *ptr_mode) { - return new_d_type_pointer(name, points_to, ptr_mode, NULL); +ir_type *new_type_pointer(ir_type *points_to) +{ + return new_d_type_pointer(points_to, NULL); } -void free_pointer_entities (type *pointer) { - assert(pointer && (pointer->type_op == type_pointer)); +void free_pointer_entities(ir_type *pointer) +{ + (void) pointer; + assert(pointer && (pointer->type_op == type_pointer)); } -void free_pointer_attrs (type *pointer) { - assert(pointer && (pointer->type_op == type_pointer)); +void free_pointer_attrs(ir_type *pointer) +{ + (void) pointer; + assert(pointer && (pointer->type_op == type_pointer)); } -/* manipulate fields of type_pointer */ -void set_pointer_points_to_type (type *pointer, type *tp) { - assert(pointer && (pointer->type_op == type_pointer)); - pointer->attr.pa.points_to = tp; +void set_pointer_points_to_type(ir_type *pointer, ir_type *tp) +{ + assert(pointer && (pointer->type_op == type_pointer)); + pointer->attr.pa.points_to = tp; } -type *get_pointer_points_to_type (type *pointer) { - assert(pointer && (pointer->type_op == type_pointer)); - return pointer->attr.pa.points_to = skip_tid(pointer->attr.pa.points_to); +ir_type *get_pointer_points_to_type(const ir_type *pointer) +{ + assert(pointer && (pointer->type_op == type_pointer)); + return pointer->attr.pa.points_to; } -/* typecheck */ -int (is_Pointer_type)(const type *pointer) { - return _is_pointer_type(pointer); +int (is_Pointer_type)(const ir_type *pointer) +{ + return _is_pointer_type(pointer); } -void set_pointer_mode(type *tp, ir_mode *mode) { - assert(mode_is_reference(mode) && "Modes of pointers must be references"); - /* For pointer and enumeration size depends on the mode, but only byte size allowed. */ - assert((get_mode_size_bits(mode) & 7) == 0 && "unorthodox modes not implemented"); +void set_pointer_mode(ir_type *tp, ir_mode *mode) +{ + assert(mode_is_reference(mode) && "Modes of pointers must be references"); + /* For pointer and enumeration size depends on the mode, but only byte size allowed. */ + assert((get_mode_size_bits(mode) & 7) == 0 && "unorthodox modes not implemented"); - tp->size = get_mode_size_bits(mode); - tp->mode = mode; + tp->size = get_mode_size_bytes(mode); + tp->mode = mode; } -/* Returns the first pointer type that has as points_to tp. - * Not efficient: O(#types). - * If not found returns firm_unknown_type. */ -type *find_pointer_type_to_type (type *tp) { - int i; - for (i = 0; i < get_irp_n_types(); ++i) { - type *found = get_irp_type(i); - if (is_Pointer_type(found) && get_pointer_points_to_type(found) == tp) - return (found); - } - return firm_unknown_type; +ir_type *find_pointer_type_to_type(ir_type *tp) +{ + int i, n = get_irp_n_types(); + for (i = 0; i < n; ++i) { + ir_type *found = get_irp_type(i); + if (is_Pointer_type(found) && get_pointer_points_to_type(found) == tp) + return (found); + } + return firm_unknown_type; } -/*-----------------------------------------------------------------*/ -/* TYPE_PRIMITIVE */ -/*-----------------------------------------------------------------*/ -/* create a new type primitive */ -type *new_d_type_primitive(ident *name, ir_mode *mode, dbg_info *db) { - type *res; - /* @@@ assert( mode_is_data(mode) && (!mode_is_reference(mode))); */ - res = new_type(type_primitive, mode, name, db); - res->size = get_mode_size_bits(mode); - res->state = layout_fixed; - hook_new_type(res); - return res; +ir_type *new_d_type_primitive(ir_mode *mode, type_dbg_info *db) +{ + ir_type *res = new_type(type_primitive, mode, db); + res->size = get_mode_size_bytes(mode); + res->flags |= tf_layout_fixed; + res->attr.ba.base_type = NULL; + hook_new_type(res); + return res; } -type *new_type_primitive(ident *name, ir_mode *mode) { - return new_d_type_primitive(name, mode, NULL); +ir_type *new_type_primitive(ir_mode *mode) +{ + return new_d_type_primitive(mode, NULL); } -/* typecheck */ -int (is_Primitive_type)(const type *primitive) { - return _is_primitive_type(primitive); +int (is_Primitive_type)(const ir_type *primitive) +{ + return _is_primitive_type(primitive); } -void set_primitive_mode(type *tp, ir_mode *mode) { - /* Modes of primitives must be data */ - assert(mode_is_data(mode)); +void set_primitive_mode(ir_type *tp, ir_mode *mode) +{ + /* Modes of primitives must be data */ + assert(mode_is_data(mode)); + + /* For primitive size depends on the mode. */ + tp->size = get_mode_size_bytes(mode); + tp->mode = mode; +} - /* For primitive size depends on the mode. */ - tp->size = get_mode_size_bits(mode); - tp->mode = mode; +ir_type *get_primitive_base_type(const ir_type *tp) +{ + assert(is_Primitive_type(tp)); + return tp->attr.ba.base_type; } +void set_primitive_base_type(ir_type *tp, ir_type *base_tp) +{ + assert(is_Primitive_type(tp)); + tp->attr.ba.base_type = base_tp; +} -/*-----------------------------------------------------------------*/ -/* common functionality */ -/*-----------------------------------------------------------------*/ -int (is_atomic_type)(const type *tp) { - return _is_atomic_type(tp); +int (is_atomic_type)(const ir_type *tp) +{ + return _is_atomic_type(tp); } -/* - * Gets the number of elements in a firm compound type. - */ -int get_compound_n_members(const type *tp) +int get_compound_n_members(const ir_type *tp) { - const tp_op *op = get_type_tpop(tp); - int res = 0; + const tp_op *op = get_type_tpop(tp); + int res = 0; - if (op->ops.get_n_members) - res = op->ops.get_n_members(tp); - else - assert(0 && "no member count for this type"); + if (op->ops.get_n_members) + res = op->ops.get_n_members(tp); + else + assert(0 && "no member count for this type"); - return res; + return res; } -/* - * Gets the member of a firm compound type at position pos. - */ -entity *get_compound_member(const type *tp, int pos) +ir_entity *get_compound_member(const ir_type *tp, int pos) { - const tp_op *op = get_type_tpop(tp); - entity *res = NULL; + const tp_op *op = get_type_tpop(tp); + ir_entity *res = NULL; - if (op->ops.get_member) - res = op->ops.get_member(tp, pos); - else - assert(0 && "no members in this type"); + if (op->ops.get_member) + res = op->ops.get_member(tp, pos); + else + assert(0 && "no members in this type"); - return res; + return res; } -int is_compound_type(const type *tp) { - assert(tp && tp->kind == k_type); - return tp->type_op->flags & TP_OP_FLAG_COMPOUND; +int get_compound_member_index(const ir_type *tp, ir_entity *member) +{ + const tp_op *op = get_type_tpop(tp); + int index = -1; + + if (op->ops.get_member_index) + index = op->ops.get_member_index(tp, member); + else + assert(0 && "no members in this type"); + + return index; } -/* Checks, whether a type is a frame type */ -int is_frame_type(const type *tp) { - return tp->frame_type; +int is_compound_type(const ir_type *tp) +{ + assert(tp && tp->kind == k_type); + return tp->type_op->flags & TP_OP_FLAG_COMPOUND; } -/* Makes a new frame type. */ -type *new_type_frame(ident *name) +ident *get_compound_ident(const ir_type *tp) { - type *res = new_type_class(name); + assert(is_compound_type(tp)); + return tp->name; +} - res->frame_type = 1; +const char *get_compound_name(const ir_type *tp) +{ + if (get_compound_ident(tp) == NULL) + return NULL; + return get_id_str(get_compound_ident(tp)); +} - /* Remove type from type list. Must be treated differently than other types. */ - remove_irp_type(res); +void remove_compound_member(ir_type *compound, ir_entity *entity) +{ + switch (get_type_tpop_code(compound)) { + case tpo_class: remove_class_member(compound, entity); break; + case tpo_struct: remove_struct_member(compound, entity); break; + case tpo_union: remove_union_member(compound, entity); break; + default: + panic("argument for remove_compound_member not a compound type"); + } +} - return res; +void add_compound_member(ir_type *compound, ir_entity *entity) +{ + switch (get_type_tpop_code(compound)) { + case tpo_class: add_class_member(compound, entity); break; + case tpo_struct: add_struct_member(compound, entity); break; + case tpo_union: add_union_member(compound, entity); break; + default: + panic("argument for add_compound_member not a compound type"); + } } -/* set the type size for the unknown and none type */ -void set_default_size_bits(type *tp, int size) { - tp->size = size; + + +int is_code_type(const ir_type *tp) +{ + assert(tp && tp->kind == k_type); + return tp->type_op == tpop_code; +} + +int is_frame_type(const ir_type *tp) +{ + return tp->flags & tf_frame_type; +} + +int is_value_param_type(const ir_type *tp) +{ + return tp->flags & tf_value_param_type; +} + +int is_lowered_type(const ir_type *tp) +{ + return tp->flags & tf_lowered_type; +} + +ir_type *new_type_value(void) +{ + ir_type *res = new_type_struct(new_id_from_str("")); + + res->flags |= tf_value_param_type; + + /* Remove type from type list. Must be treated differently than other types. */ + remove_irp_type(res); + + return res; +} + +ir_type *new_type_frame(void) +{ + ir_type *res = new_type_class(new_id_from_str("")); + + res->flags |= tf_frame_type; + + /* Remove type from type list. Must be treated differently than other types. */ + remove_irp_type(res); + + /* It is not possible to derive from the frame type. Set the final flag. */ + set_class_final(res, 1); + + return res; +} + +ir_type *clone_frame_type(ir_type *type) +{ + ir_type *res; + int i, n; + + assert(is_frame_type(type)); + /* the entity link resource should be allocated if this function is called */ + assert(irp_resources_reserved(irp) & IR_RESOURCE_ENTITY_LINK); + + res = new_type_frame(); + for (i = 0, n = get_class_n_members(type); i < n; ++i) { + ir_entity *ent = get_class_member(type, i); + ir_entity *nent = copy_entity_own(ent, res); + set_entity_link(ent, nent); + set_entity_link(nent, ent); + } + return res; +} + +void set_lowered_type(ir_type *tp, ir_type *lowered_type) +{ + assert(is_type(tp) && is_type(lowered_type)); + lowered_type->flags |= tf_lowered_type; + tp->assoc_type = lowered_type; + lowered_type->assoc_type = tp; +} + +ir_type *get_associated_type(const ir_type *tp) +{ + return tp->assoc_type; +} + +void set_default_size(ir_type *tp, unsigned size) +{ + tp->size = size; +} + +void default_layout_compound_type(ir_type *type) +{ + int i; + int n = get_compound_n_members(type); + int size = 0; + unsigned align_all = 1; + + for (i = 0; i < n; ++i) { + ir_entity *entity = get_compound_member(type, i); + ir_type *entity_type = get_entity_type(entity); + unsigned align; + unsigned misalign; + + if (is_Method_type(entity_type)) + continue; + + assert(get_type_state(entity_type) == layout_fixed); + align = get_type_alignment_bytes(entity_type); + align_all = align > align_all ? align : align_all; + misalign = (align ? size % align : 0); + size += (misalign ? align - misalign : 0); + + set_entity_offset(entity, size); + if (!is_Union_type(type)) { + size += get_type_size_bytes(entity_type); + } + } + if (align_all > 0 && size % align_all) { + size += align_all - (size % align_all); + } + if (align_all > get_type_alignment_bytes(type)) { + set_type_alignment_bytes(type, align_all); + } + set_type_size_bytes(type, size); + set_type_state(type, layout_fixed); +} + +ir_entity *frame_alloc_area(ir_type *frame_type, int size, unsigned alignment, + int at_start) +{ + ir_entity *area; + ir_type *tp; + ident *name; + char buf[32]; + unsigned frame_align; + int i, offset, frame_size; + static unsigned area_cnt = 0; + static ir_type *a_byte = NULL; + + assert(is_frame_type(frame_type)); + assert(get_type_state(frame_type) == layout_fixed); + assert(get_type_alignment_bytes(frame_type) > 0); + set_type_state(frame_type, layout_undefined); + + if (! a_byte) + a_byte = new_type_primitive(mode_Bu); + + snprintf(buf, sizeof(buf), "area%u", area_cnt++); + name = new_id_from_str(buf); + + /* align the size */ + frame_align = get_type_alignment_bytes(frame_type); + size = (size + frame_align - 1) & ~(frame_align - 1); + + tp = new_type_array(1, a_byte); + set_array_bounds_int(tp, 0, 0, size); + set_type_alignment_bytes(tp, alignment); + + frame_size = get_type_size_bytes(frame_type); + if (at_start) { + /* fix all offsets so far */ + for (i = get_class_n_members(frame_type) - 1; i >= 0; --i) { + ir_entity *ent = get_class_member(frame_type, i); + + set_entity_offset(ent, get_entity_offset(ent) + size); + } + /* calculate offset and new type size */ + offset = 0; + frame_size += size; + + /* increase size to match alignment... */ + if (alignment > frame_align) { + frame_align = alignment; + set_type_alignment_bytes(frame_type, frame_align); + frame_size = (frame_size + frame_align - 1) & ~(frame_align - 1); + } + } else { + /* calculate offset and new type size */ + offset = (frame_size + alignment - 1) & ~(alignment - 1); + frame_size = offset + size; + } + + area = new_entity(frame_type, name, tp); + set_entity_offset(area, offset); + set_type_size_bytes(frame_type, frame_size); + + /* mark this entity as compiler generated */ + set_entity_compiler_generated(area, 1); + + set_type_state(frame_type, layout_fixed); + return area; +} + +void ir_print_type(char *buffer, size_t buffer_size, const ir_type *type) +{ + ident *id; + int p; + type_dbg_info *tdbgi = get_type_dbg_info(type); + if (tdbgi != NULL) { + ir_retrieve_type_dbg_info(buffer, buffer_size, tdbgi); + return; + } + + /* we have to construct some name... */ + switch (get_type_tpop_code(type)) { + case tpo_uninitialized: + break; + case tpo_code: + snprintf(buffer, buffer_size, "code"); + return; + + case tpo_class: + id = get_class_ident(type); + snprintf(buffer, buffer_size, "class '%s'", get_id_str(id)); + return; + + case tpo_struct: + id = get_struct_ident(type); + snprintf(buffer, buffer_size, "struct '%s'", get_id_str(id)); + return; + + case tpo_union: + id = get_union_ident(type); + snprintf(buffer, buffer_size, "union '%s'", get_id_str(id)); + return; + + case tpo_enumeration: + id = get_enumeration_ident(type); + snprintf(buffer, buffer_size, "enumeration '%s'", get_id_str(id)); + return; + + case tpo_unknown: + snprintf(buffer, buffer_size, "unknown type"); + return; + + case tpo_pointer: + p = snprintf(buffer, buffer_size, "pointer to "); + buffer += p; + buffer_size -= p; + ir_print_type(buffer, buffer_size, get_pointer_points_to_type(type)); + return; + + case tpo_array: + p = snprintf(buffer, buffer_size, "array of "); + buffer += p; + buffer_size -= p; + ir_print_type(buffer, buffer_size, get_array_element_type(type)); + return; + + case tpo_primitive: + id = get_mode_ident(get_type_mode(type)); + snprintf(buffer, buffer_size, "%s", get_id_str(id)); + return; + + case tpo_none: + snprintf(buffer, buffer_size, "none"); + return; + case tpo_method: + /* TODO: we should print argument and return types here... */ + snprintf(buffer, buffer_size, "method type"); + return; + } + snprintf(buffer, buffer_size, "invalid type"); }