-/****h* libfirm/type.c
+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
*
- * NAME
- * file type.c - implementation of the datastructure to hold
- * type information.
- * COPYRIGHT
- * (C) 2001 by Universitaet Karlsruhe
- * AUTHORS
- * Martin Trapp, Christian Schaefer, Goetz Lindenmaier
+ * 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
+ * @brief Representation of types.
+ * @author Goetz Lindenmaier, Michael Beck
+ * @version $Id$
+ * @summary
+ *
+ * Implementation of the datastructure to hold
+ * type information.
*
- * NOTES
* 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
* on the level of the programming language, modes at the level of
* the target processor.
*
- * SEE ALSO
- * type_t.h type tpop
- *****
+ * @see type_t.h type tpop
*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#ifdef HAVE_STDLIB_H
# include <stdlib.h>
-# include <stddef.h>
-# include "type_t.h"
-# include "tpop_t.h"
-# include "typegmod_t.h"
-# include "array.h"
+#endif
-/*******************************************************************/
+#include <stddef.h>
+
+#include "type_t.h"
+
+#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 "irtools.h"
+#include "entity_t.h"
+
+#include "array.h"
+
+/*-----------------------------------------------------------------*/
/** TYPE **/
-/*******************************************************************/
+/*-----------------------------------------------------------------*/
+
+ir_type *firm_none_type; ir_type *get_none_type(void) { return firm_none_type; }
+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;
+
+/* return the default calling convention for method types */
+unsigned get_default_cc_mask(void) {
+ return default_cc_mask;
+}
+
+/* Initialize the type module. */
+void firm_init_type(dbg_info *builtin_db, unsigned def_cc_mask)
+{
+ 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);
-unsigned long type_visited;
+ /* 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);
-inline type *
-new_type(tp_op *type_op, ir_mode *mode, ident* name) {
- type *res;
- int node_size ;
+ 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);
+}
+
+/** the global type visited flag */
+unsigned long firm_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(); }
+
+/*
+ * Creates a new type representation.
+ */
+ir_type *
+new_type(tp_op *type_op, ir_mode *mode, ident *name, dbg_info *db) {
+ ir_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 = (type *) xmalloc (node_size);
- add_irp_type(res); /* Remember the new type global. */
+ 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->name = name;
- res->state = layout_undefined;
- res->size = -1;
- res->visit = 0;
+ res->kind = k_type;
+ res->type_op = type_op;
+ res->mode = mode;
+ res->name = name;
+ res->visibility = visibility_external_allocated;
+ res->flags = tf_none;
+ res->size = -1;
+ res->align = -1;
+ res->visit = 0;
+ res->link = NULL;
+ res->dbi = db;
+ res->assoc_type = NULL;
+#ifdef DEBUG_libfirm
+ res->nr = get_irp_new_node_nr();
+#endif /* defined DEBUG_libfirm */
+
+ add_irp_type(res); /* Remember the new type global. */
return res;
}
-tp_op* get_type_tpop(type *tp) {
- assert(tp);
- return tp->type_op;
+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))
+ 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);
}
-ident* get_type_tpop_nameid(type *tp) {
- assert(tp);
- return tp->type_op->name;
+void free_type_entities(ir_type *tp) {
+ const tp_op *tpop = get_type_tpop(tp);
+
+ if (tpop->ops.free_entities)
+ tpop->ops.free_entities(tp);
}
-const char* get_type_tpop_name(type *tp) {
- assert(tp);
- return id_to_str(tp->type_op->name);
+
+void free_type_attrs(ir_type *tp) {
+ const tp_op *tpop = get_type_tpop(tp);
+
+ if (tpop->ops.free_attrs)
+ tpop->ops.free_attrs(tp);
}
-tp_opcode get_type_tpop_code(type *tp) {
- assert(tp);
- return tp->type_op->code;
+
+/* set/get the link field */
+void *(get_type_link)(const ir_type *tp) {
+ return _get_type_link(tp);
}
-ir_mode* get_type_mode(type *tp) {
- assert(tp);
- return tp->mode;
+
+void (set_type_link)(ir_type *tp, void *l) {
+ _set_type_link(tp, l);
}
-void set_type_mode(type *tp, ir_mode* m) {
- assert(tp);
- tp->mode = m;
- /* For pointer and primitive size depends on the mode. */
- if ((tp->type_op == type_pointer) || (tp->type_op == type_primitive))
- tp->size == get_mode_size(m);
+
+const tp_op *(get_type_tpop)(const ir_type *tp) {
+ return _get_type_tpop(tp);
}
-ident* get_type_nameid(type *tp) {
- assert(tp);
- return tp->name;
+
+ident *(get_type_tpop_nameid)(const ir_type *tp) {
+ return _get_type_tpop_nameid(tp);
}
-void set_type_nameid(type *tp, ident* id) {
- assert(tp);
- tp->name = id;
+
+const char* get_type_tpop_name(const ir_type *tp) {
+ assert(tp && tp->kind == k_type);
+ return get_id_str(tp->type_op->name);
}
-const char* get_type_name(type *tp) {
- assert(tp);
- return id_to_str(tp->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");
+}
+
+ident *(get_type_ident)(const ir_type *tp) {
+ return _get_type_ident(tp);
+}
+
+void (set_type_ident)(ir_type *tp, ident* id) {
+ _set_type_ident(tp, id);
}
-int get_type_size(type *tp) {
+
+/* Outputs a unique number for this node */
+long get_type_nr(const ir_type *tp) {
assert(tp);
- return tp->size;
+#ifdef DEBUG_libfirm
+ return tp->nr;
+#else
+ return (long)PTR_TO_INT(tp);
+#endif
+}
+
+const char* get_type_name(const ir_type *tp) {
+ assert(tp && tp->kind == k_type);
+ return (get_id_str(tp->name));
+}
+
+int (get_type_size_bytes)(const ir_type *tp) {
+ return _get_type_size_bytes(tp);
+}
+
+int (get_type_size_bits)(const ir_type *tp) {
+ return _get_type_size_bits(tp);
+}
+
+
+ir_visibility get_type_visibility (const ir_type *tp) {
+#if 0
+ visibility res = visibility_local;
+ if (is_compound_type(tp)) {
+
+ if (is_Array_type(tp)) {
+ ir_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) {
+ ir_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 (ir_type *tp, ir_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)) {
+ ir_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) {
+ ir_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;
}
void
-set_type_size(type *tp, int size) {
- assert(tp);
- /* For pointer and primitive size depends on the mode. */
- if ((tp->type_op != type_pointer) && (tp->type_op != type_primitive))
- tp->size = size;
+set_type_size_bits(ir_type *tp, int 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");
}
-type_state
-get_type_state(type *tp) {
- assert(tp);
- return tp->state;
+void
+set_type_size_bytes(ir_type *tp, int size) {
+ set_type_size_bits(tp, 8*size);
+}
+
+int get_type_alignment_bytes(ir_type *tp) {
+ int align = get_type_alignment_bits(tp);
+
+ return align < 0 ? align : (align + 7) >> 3;
+}
+
+int get_type_alignment_bits(ir_type *tp) {
+ int align = 8;
+
+ if (tp->align > 0)
+ return tp->align;
+
+ /* 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);
+
+ align = 0;
+ for (i = 0; i < n; ++i) {
+ ir_type *t = get_entity_type(get_compound_member(tp, i));
+ int a = get_type_alignment_bits(t);
+
+ if (a > align)
+ align = a;
+ }
+ }
+ else if (is_Method_type(tp))
+ align = 0;
+
+ /* write back */
+ tp->align = align;
+
+ return align;
}
void
-set_type_state(type *tp, type_state state) {
- assert(tp);
- /* For pointer and primitive always fixed. */
- if ((tp->type_op != type_pointer) && (tp->type_op != type_primitive))
- tp->state = state;
+set_type_alignment_bits(ir_type *tp, int align) {
+ assert(tp && tp->kind == k_type);
+ assert((align == -1 || (align & (align - 1)) == 0) && "type alignment not power of two");
+ /* Methods don't have an alignment. */
+ if (tp->type_op != type_method) {
+ tp->align = align;
+ }
}
-unsigned long get_type_visited(type *tp) {
- assert(tp);
- return tp->visit;
+void
+set_type_alignment_bytes(ir_type *tp, int align) {
+ if (align == -1) {
+ set_type_alignment_bits(tp, -1);
+ } else {
+ set_type_alignment_bits(tp, 8*align);
+ }
}
-void set_type_visited(type *tp, unsigned long num) {
- assert(tp);
- tp->visit = num;
+/* 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 "<unknown>";
+#undef X
}
-/* Sets visited field in type to type_visited. */
-void mark_type_visited(type *tp) {
- assert(tp);
- assert(tp->visit < type_visited);
- tp->visit = type_visited;
+
+
+type_state (get_type_state)(const ir_type *tp) {
+ return _get_type_state(tp);
}
-int is_type (void *thing) {
- assert(thing);
- if (get_kind(thing) == k_type)
- return 1;
+void
+set_type_state(ir_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++) {
+ 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:
+ assert(get_type_size_bits(tp) > -1);
+ for (i = 0; i < get_struct_n_members(tp); i++) {
+ assert(get_entity_offset(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:
+#ifndef NDEBUG
+ assert(get_type_mode != 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;
+}
+
+unsigned long (get_type_visited)(const ir_type *tp) {
+ return _get_type_visited(tp);
+}
+
+void (set_type_visited)(ir_type *tp, unsigned long num) {
+ _set_type_visited(tp, num);
+}
+
+/* Sets visited field in type to type_visited. */
+void (mark_type_visited)(ir_type *tp) {
+ _mark_type_visited(tp);
+}
+
+int (type_visited)(const ir_type *tp) {
+ return _type_visited(tp);
+}
+
+int (type_not_visited)(const ir_type *tp) {
+ return _type_not_visited(tp);
+}
+
+int (is_type)(const void *thing) {
+ return _is_type(thing);
+}
+
+/* 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)) ||
+ (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(ir_entity *) * get_class_n_members(typ1));
+ memset(m, 0, sizeof(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] || /* Found no counterpart */
+ !equal_entity(get_class_member(typ1, i), m[i]))
+ return 0;
+ }
+ /** Compare the supertypes **/
+ t = alloca(sizeof(ir_entity *) * get_class_n_supertypes(typ1));
+ memset(t, 0, sizeof(ir_entity *) * 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 (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(ir_entity *) * get_struct_n_members(typ1));
+ memset(m, 0, sizeof(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] || /* 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(ir_entity *) * get_union_n_members(typ1));
+ memset(m, 0, sizeof(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] || /* 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;
}
-/*******************************************************************/
-/** TYPE_CLASS **/
-/*******************************************************************/
+/* Checks whether two types are structural comparable. */
+int smaller_type (ir_type *st, ir_type *lt) {
+ ir_entity **m;
+ int i, j;
+
+ if (st == lt) return 1;
-/* create a new class type */
-type *new_type_class (ident *name) {
- type *res;
+ if (get_type_tpop_code(st) != get_type_tpop_code(lt))
+ return 0;
- res = new_type(type_class, NULL, name);
+ 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(ir_entity *) * get_struct_n_members(st));
+ memset(m, 0, sizeof(ir_entity *) * get_struct_n_members(st));
+ /* First sort the members of lt */
+ for (i = 0; i < get_struct_n_members(st); i++) {
+ ir_entity *se = get_struct_member(st, i);
+ for (j = 0; j < get_struct_n_members(lt); 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 < 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;
- res->attr.ca.members = NEW_ARR_F (entity *, 1);
- res->attr.ca.subtypes = NEW_ARR_F (type *, 1);
- res->attr.ca.supertypes = NEW_ARR_F (type *, 1);
+ /** 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(ir_entity *) * get_union_n_members(st));
+ memset(m, 0, sizeof(ir_entity *) * get_union_n_members(st));
+ /* First sort the members of lt */
+ for (i = 0; i < get_union_n_members(st); i++) {
+ ir_entity *se = get_union_member(st, i);
+ for (j = 0; j < get_union_n_members(lt); 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 < 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: {
+ 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_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 ir_type */
+ir_type *new_d_type_class (ident *name, dbg_info *db) {
+ ir_type *res;
+
+ res = new_type(type_class, NULL, name, db);
+
+ 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;
}
+
+ir_type *new_type_class (ident *name) {
+ return new_d_type_class (name, NULL);
+}
+
+/* free all entities of a class */
+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 */
+}
+
+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);
+}
+
/* manipulate private fields of class type */
-void add_class_member (type *clss, entity *member) {
+void add_class_member (ir_type *clss, ir_entity *member) {
assert(clss && (clss->type_op == type_class));
- ARR_APP1 (entity *, clss->attr.ca.members, member);
+ assert(clss != get_entity_type(member) && "recursive type");
+ ARR_APP1 (ir_entity *, clss->attr.ca.members, member);
}
-int get_class_n_member (type *clss) {
+
+int (get_class_n_members) (const ir_type *clss) {
+ return _get_class_n_members(clss);
+}
+
+int get_class_member_index(const ir_type *clss, ir_entity *mem) {
+ int i, n;
assert(clss && (clss->type_op == type_class));
- return (ARR_LEN (clss->attr.ca.members))-1;
+ for (i = 0, n = get_class_n_members(clss); i < n; ++i)
+ if (get_class_member(clss, i) == mem)
+ return i;
+ return -1;
}
-entity *get_class_member (type *clss, int pos) {
+
+ir_entity *(get_class_member) (const ir_type *clss, int pos) {
+ return _get_class_member(clss, pos);
+}
+
+ir_entity *get_class_member_by_name(ir_type *clss, ident *name) {
+ int i, n_mem;
assert(clss && (clss->type_op == type_class));
- return clss->attr.ca.members[pos+1];
+ 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_class_member (type *clss, entity *member, int pos) {
+
+void set_class_member (ir_type *clss, ir_entity *member, int pos) {
assert(clss && (clss->type_op == type_class));
- clss->attr.ca.members[pos+1] = member;
+ assert(pos >= 0 && pos < get_class_n_members(clss));
+ clss->attr.ca.members[pos] = member;
}
-void remove_class_member(type *clss, entity *member) {
+void set_class_members (ir_type *clss, ir_entity **members, int arity) {
int i;
assert(clss && (clss->type_op == type_class));
- for (i = 1; i < (ARR_LEN (clss->attr.ca.members))-1; i++)
- if (clss->attr.ca.members[i+1] == member) {
- for(i++; 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);
+ 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]);
+ }
+}
+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 (type *clss, type *subtype) {
+void add_class_subtype (ir_type *clss, ir_type *subtype) {
+ int i;
assert(clss && (clss->type_op == type_class));
- ARR_APP1 (type *, clss->attr.ca.subtypes, subtype);
- ARR_APP1 (type *, subtype->attr.ca.supertypes, clss);
-}
-int get_class_n_subtype (type *clss) {
+ 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);
+}
+int get_class_n_subtypes (const ir_type *clss) {
assert(clss && (clss->type_op == type_class));
- return (ARR_LEN (clss->attr.ca.subtypes))-1;
+ return (ARR_LEN (clss->attr.ca.subtypes));
}
-type *get_class_subtype (type *clss, int pos) {
+ir_type *get_class_subtype (ir_type *clss, int pos) {
assert(clss && (clss->type_op == type_class));
- return clss->attr.ca.subtypes[pos+1] = skip_tid(clss->attr.ca.subtypes[pos+1]);
-}
-void set_class_subtype (type *clss, type *subtype, int pos) {
+ 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(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));
- clss->attr.ca.subtypes[pos+1] = subtype;
+ assert(pos >= 0 && pos < get_class_n_subtypes(clss));
+ clss->attr.ca.subtypes[pos] = subtype;
}
-void remove_class_subtype(type *clss, type *subtype) {
+void remove_class_subtype(ir_type *clss, ir_type *subtype) {
int i;
assert(clss && (clss->type_op == type_class));
- for (i = 1; i < (ARR_LEN (clss->attr.ca.subtypes))-1; i++)
- if (clss->attr.ca.subtypes[i+1] == subtype) {
- for(i++; 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);
+ 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_entity*, clss->attr.ca.subtypes, ARR_LEN(clss->attr.ca.subtypes) - 1);
break;
}
}
-void add_class_supertype (type *clss, type *supertype) {
+void add_class_supertype (ir_type *clss, ir_type *supertype) {
+ int i;
assert(clss && (clss->type_op == type_class));
- ARR_APP1 (type *, clss->attr.ca.supertypes, supertype);
- ARR_APP1 (type *, supertype->attr.ca.subtypes, clss);
-}
-int get_class_n_supertype (type *clss) {
+ 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))-1;
+ 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;
}
-type *get_class_supertype (type *clss, int pos) {
+ir_type *get_class_supertype (ir_type *clss, int pos) {
assert(clss && (clss->type_op == type_class));
- return clss->attr.ca.supertypes[pos+1] = skip_tid(clss->attr.ca.supertypes[pos+1]);
+ 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) {
+void set_class_supertype (ir_type *clss, ir_type *supertype, int pos) {
assert(clss && (clss->type_op == type_class));
- clss->attr.ca.supertypes[pos+1] = supertype;
+ assert(pos >= 0 && pos < get_class_n_supertypes(clss));
+ clss->attr.ca.supertypes[pos] = supertype;
}
-void remove_class_supertype(type *clss, type *supertype) {
+void remove_class_supertype(ir_type *clss, ir_type *supertype) {
int i;
assert(clss && (clss->type_op == type_class));
- for (i = 1; i < (ARR_LEN (clss->attr.ca.supertypes))-1; i++)
- if (clss->attr.ca.supertypes[i+1] == supertype) {
- for(i++; 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);
+ 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_entity*, 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.type_info;
+}
+void set_class_type_info(ir_type *clss, ir_entity *ent) {
+ clss->attr.ca.type_info = ent;
+ if (ent)
+ ent->repr_class = clss;
+}
+
+const char *get_peculiarity_name(ir_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_peculiarity get_class_peculiarity (const ir_type *clss) {
+ assert(clss && (clss->type_op == type_class));
+ return clss->attr.ca.peculiarity;
+}
+
+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;
+}
+
+/* Returns the size of the virtual function table. */
+unsigned (get_class_vtable_size)(const ir_type *clss) {
+ return _get_class_vtable_size(clss);
+}
+
+/* Sets a new size of the virtual function table. */
+void (set_class_vtable_size)(ir_type *clss, unsigned size) {
+ _set_class_vtable_size(clss, size);
+}
+
+/* Returns non-zero if a class is final. */
+int (is_class_final)(const ir_type *clss) {
+ return _is_class_final(clss);
+}
+
+/* Sets if a class is final. */
+void (set_class_final)(ir_type *clss, int flag) {
+ _set_class_final(clss, flag);
+}
+
+/* Returns non-zero if a class is an interface. */
+int (is_class_interface)(const ir_type *clss) {
+ return _is_class_interface(clss);
+}
+
+/* Sets the class interface flag. */
+void (set_class_interface)(ir_type *clss, int flag) {
+ _set_class_interface(clss, flag);
+}
+
+/* Returns non-zero if a class is abstract. */
+int (is_class_abstract)(const ir_type *clss) {
+ return _is_class_abstract(clss);
+}
+
+/* Sets the class abstract flag. */
+void (set_class_abstract)(ir_type *clss, int final) {
+ _set_class_abstract(clss, final);
+}
+
+void set_class_dfn (ir_type *clss, int dfn) {
+ clss->attr.ca.dfn = dfn;
+}
+
+int get_class_dfn (const ir_type *clss) {
+ return (clss->attr.ca.dfn);
+}
+
/* typecheck */
-bool is_class_type(type *clss) {
- assert(clss);
- if (clss->type_op == type_class) return 1; else return 0;
+int (is_Class_type)(const ir_type *clss) {
+ return _is_class_type(clss);
}
-/*******************************************************************/
-/** TYPE_STRUCT **/
-/*******************************************************************/
+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_bits(mode) && "mode don't match class layout");
+ tp->mode = mode;
+}
+
+void set_class_size_bits(ir_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");
+}
+
+/*----------------------------------------------------------------**/
+/* TYPE_STRUCT */
+/*----------------------------------------------------------------**/
/* create a new type struct */
-type *new_type_struct (ident *name) {
- type *res;
- res = new_type(type_struct, NULL, name);
- res->attr.sa.members = NEW_ARR_F (entity *, 1);
+ir_type *new_d_type_struct(ident *name, dbg_info *db) {
+ ir_type *res = new_type(type_struct, NULL, name, db);
+
+ res->attr.sa.members = NEW_ARR_F(ir_entity *, 0);
+ hook_new_type(res);
return res;
}
+
+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);
+}
+
/* manipulate private fields of struct */
-void add_struct_member (type *strct, entity *member) {
+int get_struct_n_members (const ir_type *strct) {
assert(strct && (strct->type_op == type_struct));
- ARR_APP1 (entity *, strct->attr.sa.members, member);
+ return (ARR_LEN (strct->attr.sa.members));
}
-int get_struct_n_member (type *strct) {
+
+void add_struct_member (ir_type *strct, ir_entity *member) {
assert(strct && (strct->type_op == type_struct));
- return (ARR_LEN (strct->attr.sa.members))-1;
+ assert(get_type_tpop(get_entity_type(member)) != type_method);
+ /* @@@ lowerfirm geht nicht durch */
+ assert(strct != get_entity_type(member) && "recursive type");
+ ARR_APP1 (ir_entity *, strct->attr.sa.members, member);
}
-entity *get_struct_member (type *strct, int pos) {
+
+ir_entity *get_struct_member (const ir_type *strct, int pos) {
assert(strct && (strct->type_op == type_struct));
- return strct->attr.sa.members[pos+1];
+ assert(pos >= 0 && pos < get_struct_n_members(strct));
+ return strct->attr.sa.members[pos];
}
-void set_struct_member (type *strct, int pos, entity *member) {
+
+int get_struct_member_index(const ir_type *strct, ir_entity *mem) {
+ int i, n;
assert(strct && (strct->type_op == type_struct));
- strct->attr.sa.members[pos+1] = member;
+ for (i = 0, n = get_struct_n_members(strct); i < n; ++i)
+ if (get_struct_member(strct, i) == mem)
+ return i;
+ return -1;
}
-void remove_struct_member(type *strct, entity *member) {
+
+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;
+}
+void remove_struct_member(ir_type *strct, ir_entity *member) {
int i;
assert(strct && (strct->type_op == type_struct));
- for (i = 1; i < (ARR_LEN (strct->attr.sa.members))-1; i++)
- if (strct->attr.sa.members[i+1] == member) {
- for(i++; 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);
+ 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;
}
}
+
/* typecheck */
-bool is_struct_type(type *strct) {
- assert(strct);
- if (strct->type_op == type_struct) return 1; else return 0;
+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_bits(mode) && "mode don't match struct layout");
+ tp->mode = mode;
+}
+
+void set_struct_size_bits(ir_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");
}
/*******************************************************************/
/** TYPE_METHOD **/
/*******************************************************************/
+/**
+ * Lazy construction of value argument / result representation.
+ * Constructs a struct type and its member. The types of the members
+ * are passed in the argument list.
+ *
+ * @param name name of the type constructed
+ * @param len number of fields
+ * @param tps array of field types with length len
+ */
+static INLINE ir_type *
+build_value_type(ident *name, int len, tp_ent_pair *tps) {
+ int i;
+ ir_type *res = new_type_struct(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)
+ id = mangle_u(name, get_type_ident(elt_type));
+ tps[i].ent = new_entity(res, id, elt_type);
+ set_entity_allocation(tps[i].ent, allocation_parameter);
+ }
+ return res;
+}
+
/* Create a new method type.
N_param is the number of parameters, n_res the number of results. */
-type *new_type_method (ident *name, int n_param, int n_res) {
- type *res;
- res = new_type(type_method, NULL, name);
- res->attr.ma.n_params = n_param;
- res->attr.ma.param_type = (type **) xmalloc (sizeof (type *) * n_param);
- res->attr.ma.n_res = n_res;
- res->attr.ma.res_type = (type **) xmalloc (sizeof (type *) * n_res);
+ir_type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db) {
+ ir_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->flags |= tf_layout_fixed;
+ res->size = get_mode_size_bits(mode_P_code);
+ res->attr.ma.n_params = n_param;
+ res->attr.ma.params = xcalloc(n_param, sizeof(res->attr.ma.params[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.additional_properties = mtp_no_property;
+ res->attr.ma.irg_calling_conv = default_cc_mask;
+ hook_new_type(res);
return res;
}
+ir_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(ir_type *method) {
+ assert(method && (method->type_op == type_method));
+}
+
+/* Attention: also frees entities in value parameter subtypes! */
+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);
+ 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 (type *method) {
+int (get_method_n_params)(const ir_type *method) {
+ return _get_method_n_params(method);
+}
+
+/* Returns the type of the parameter at position pos of a method. */
+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 method->attr.ma.params[pos].tp = skip_tid(res);
+}
+
+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 ident representing the parameters name. Returns NULL if not set.
+ For debug support only. */
+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;
+}
+
+/* Returns a string representing the parameters name. Returns NULL if not set.
+ For debug support only. */
+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;
+}
+
+/* Sets an ident representing the parameters name. For debug support only. */
+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 an entity that represents the copied value argument. Only necessary
+ for compounds passed by value. */
+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(mangle_u(get_type_ident(method), value_params_suffix),
+ 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;
+}
+
+/*
+ * Returns a type that represents the copied value arguments.
+ */
+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 method->attr.ma.res_type[pos].tp = skip_tid(res);
+}
+
+void set_method_res_type(ir_type *method, int pos, ir_type *tp) {
assert(method && (method->type_op == type_method));
- return method->attr.ma.n_params;
+ 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);
+ }
}
-type *get_method_param_type(type *method, int pos) {
+
+/* Returns an entity that represents the copied value result. Only necessary
+ for compounds passed by value. */
+ir_entity *get_method_value_res_ent(ir_type *method, int pos) {
assert(method && (method->type_op == type_method));
- return method->attr.ma.param_type[pos] = skip_tid(method->attr.ma.param_type[pos]);
+ 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(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");
+
+ return method->attr.ma.res_type[pos].ent;
}
-void set_method_param_type(type *method, int pos, type* type) {
+
+/*
+ * Returns a type that represents the copied value results.
+ */
+ir_type *get_method_value_res_type(const ir_type *method) {
assert(method && (method->type_op == type_method));
- method->attr.ma.param_type[pos] = type;
+ return method->attr.ma.value_ress;
+}
+
+/* Returns the null-terminated name of this variadicity. */
+const char *get_variadicity_name(variadicity vari)
+{
+#define X(a) case a: return #a
+ switch (vari) {
+ X(variadicity_non_variadic);
+ X(variadicity_variadic);
+ default:
+ return "BAD VALUE";
+ }
+#undef X
}
-int get_method_n_res (type *method) {
+variadicity get_method_variadicity(const ir_type *method)
+{
assert(method && (method->type_op == type_method));
- return method->attr.ma.n_res;
+ return method->attr.ma.variadicity;
}
-type *get_method_res_type(type *method, int pos) {
+
+void set_method_variadicity(ir_type *method, variadicity vari)
+{
assert(method && (method->type_op == type_method));
- return method->attr.ma.res_type[pos] = skip_tid(method->attr.ma.res_type[pos]);
+ method->attr.ma.variadicity = vari;
}
-void set_method_res_type(type *method, int pos, type* type) {
+
+/*
+ * 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 ir_type *method)
+{
assert(method && (method->type_op == type_method));
- method->attr.ma.res_type[pos] = type;
+
+ 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;
+}
+
+/*
+ * 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(ir_type *method, int index)
+{
+ assert(method && (method->type_op == type_method));
+ assert(index >= 0 && index <= get_method_n_params(method));
+
+ method->attr.ma.first_variadic_param = index;
+}
+
+unsigned (get_method_additional_properties)(const ir_type *method) {
+ return _get_method_additional_properties(method);
+}
+
+void (set_method_additional_properties)(ir_type *method, unsigned mask) {
+ _set_method_additional_properties(method, mask);
+}
+
+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 ir_type *method) {
+ return _get_method_calling_convention(method);
+}
+
+/* Sets the calling convention of an entities graph. */
+void (set_method_calling_convention)(ir_type *method, unsigned cc_mask) {
+ _set_method_calling_convention(method, cc_mask);
+}
+
+/* Returns the number of registers parameters, 0 means default. */
+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 registers parameters, 0 means default. */
+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 */
-bool is_method_type (type *method) {
- assert(method);
- if (method->type_op == type_method) return 1; else return 0;
+int (is_Method_type)(const ir_type *method) {
+ return _is_method_type(method);
}
-/*****/
-/*******************************************************************/
-/** TYPE_UNION **/
-/*******************************************************************/
+/*-----------------------------------------------------------------*/
+/* TYPE_UNION */
+/*-----------------------------------------------------------------*/
/* create a new type uni */
-type *new_type_uni (ident *name) {
- type *res;
- res = new_type(type_union, NULL, name);
- /*res->attr.ua.unioned_type = (type **) xmalloc (sizeof (type *) * n_types);
- res->attr.ua.delim_names = (ident **) xmalloc (sizeof (ident *) * n_types); */
- res->attr.ua.members = NEW_ARR_F (entity *, 1);
+ir_type *new_d_type_union(ident *name, dbg_info *db) {
+ ir_type *res = new_type(type_union, NULL, name, db);
+
+ res->attr.ua.members = NEW_ARR_F(ir_entity *, 0);
+ hook_new_type(res);
return res;
}
-/* manipulate private fields of struct */
-#if 0
-int get_union_n_types (type *uni) {
- assert(uni && (uni->type_op == type_union));
- return uni->attr.ua.n_types;
-}
-type *get_union_unioned_type (type *uni, int pos) {
- assert(uni && (uni->type_op == type_union));
- return uni->attr.ua.unioned_type[pos] = skip_tid(uni->attr.ua.unioned_type[pos]);
-}
-void set_union_unioned_type (type *uni, int pos, type *type) {
- assert(uni && (uni->type_op == type_union));
- uni->attr.ua.unioned_type[pos] = type;
+
+ir_type *new_type_union(ident *name) {
+ return new_d_type_union(name, NULL);
}
-ident *get_union_delim_nameid (type *uni, int pos) {
+
+void free_union_entities(ir_type *uni) {
+ int i;
assert(uni && (uni->type_op == type_union));
- return uni->attr.ua.delim_names[pos];
+ for (i = get_union_n_members(uni) - 1; i >= 0; --i)
+ free_entity(get_union_member(uni, i));
}
-const char *get_union_delim_name (type *uni, int pos) {
+
+void free_union_attrs (ir_type *uni) {
assert(uni && (uni->type_op == type_union));
- return id_to_str(uni->attr.ua.delim_names[pos]);
+ DEL_ARR_F(uni->attr.ua.members);
}
-void set_union_delim_nameid (type *uni, int pos, ident *id) {
+
+/* manipulate private fields of union */
+int get_union_n_members (const ir_type *uni) {
assert(uni && (uni->type_op == type_union));
- uni->attr.ua.delim_names[pos] = id;
+ return (ARR_LEN (uni->attr.ua.members));
}
-#endif
-int get_union_n_members (type *uni) {
+void add_union_member (ir_type *uni, ir_entity *member) {
assert(uni && (uni->type_op == type_union));
- return (ARR_LEN (uni->attr.ua.members))-1;
+ assert(uni != get_entity_type(member) && "recursive type");
+ ARR_APP1 (ir_entity *, uni->attr.ua.members, member);
}
-void add_union_member (type *uni, entity *member) {
+ir_entity *get_union_member (const ir_type *uni, int pos) {
assert(uni && (uni->type_op == type_union));
- ARR_APP1 (entity *, uni->attr.ua.members, member);
+ assert(pos >= 0 && pos < get_union_n_members(uni));
+ return uni->attr.ua.members[pos];
}
-entity *get_union_member (type *uni, int pos) {
+int get_union_member_index(const ir_type *uni, ir_entity *mem) {
+ int i, n;
assert(uni && (uni->type_op == type_union));
- return uni->attr.ua.members[pos+1];
+ 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 (type *uni, int pos, entity *member) {
+void set_union_member (ir_type *uni, int pos, ir_entity *member) {
assert(uni && (uni->type_op == type_union));
- uni->attr.ua.members[pos+1] = member;
+ assert(pos >= 0 && pos < get_union_n_members(uni));
+ uni->attr.ua.members[pos] = member;
}
-void remove_union_member(type *uni, entity *member) {
+void remove_union_member(ir_type *uni, ir_entity *member) {
int i;
assert(uni && (uni->type_op == type_union));
- for (i = 1; i < (ARR_LEN (uni->attr.ua.members))-1; i++)
- if (uni->attr.ua.members[i+1] == member) {
- for(i++; 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);
+ 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;
}
}
/* typecheck */
-bool is_union_type (type *uni) {
- assert(uni);
- if (uni->type_op == type_union) return 1; else return 0;
+int (is_Union_type)(const ir_type *uni) {
+ return _is_union_type(uni);
}
-/*******************************************************************/
-/** TYPE_ARRAY **/
-/*******************************************************************/
+void set_union_size_bits(ir_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");
+}
+
+/*-----------------------------------------------------------------*/
+/* TYPE_ARRAY */
+/*-----------------------------------------------------------------*/
/* create a new type array -- set dimension sizes independently */
-type *new_type_array (ident *name, int n_dimensions,
- type *element_type) {
- type *res;
- res = new_type(type_array, NULL, name);
+ir_type *new_d_type_array(ident *name, int n_dimensions, ir_type *element_type, dbg_info *db) {
+ ir_type *res;
+ int i;
+ ir_node *unk;
+ ir_graph *rem = current_ir_graph;
+
+ assert(!is_Method_type(element_type));
+
+ res = new_type(type_array, NULL, name, db);
res->attr.aa.n_dimensions = n_dimensions;
- res->attr.aa.lower_bound = (ir_node **) xmalloc (sizeof (ir_node *) * n_dimensions);
- res->attr.aa.upper_bound = (ir_node **) xmalloc (sizeof (ir_node *) * 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));
+
+ 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;
- new_entity(res, name, element_type);
+ new_entity(res, mangle_u(name, new_id_from_chars("elem_ent", 8)), element_type);
+ hook_new_type(res);
return res;
}
-/* manipulate private fields of array type */
-int get_array_n_dimensions (type *array) {
+ir_type *new_type_array(ident *name, int n_dimensions, ir_type *element_type) {
+ return new_d_type_array(name, n_dimensions, element_type, NULL);
+}
+
+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 (ir_type *array) {
+ assert(array && (array->type_op == type_array));
+}
+
+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 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) {
+
+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_lower_bound (type *array, int dimension, ir_node * lower_bound) {
+void
+set_array_bounds_int (ir_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 (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_upper_bound (type *array, int dimension, ir_node * upper_bound) {
+void set_array_lower_bound_int (ir_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 (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;
}
-ir_node * get_array_lower_bound (type *array, int dimension) {
+void set_array_upper_bound_int (ir_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;
+}
+int has_array_lower_bound (const ir_type *array, int dimension) {
+ assert(array && (array->type_op == type_array));
+ return (get_irn_op(array->attr.aa.lower_bound[dimension]) != op_Unknown);
+}
+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];
}
-ir_node * get_array_upper_bound (type *array, int dimension) {
+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(get_irn_op(node) == op_Const);
+ return get_tarval_long(get_Const_tarval(node));
+}
+int has_array_upper_bound (const ir_type *array, int dimension) {
+ assert(array && (array->type_op == type_array));
+ return (get_irn_op(array->attr.aa.upper_bound[dimension]) != op_Unknown);
+}
+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];
}
-void set_array_element_type (type *array, type *type) {
+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(get_irn_op(node) == op_Const);
+ return get_tarval_long(get_Const_tarval(node));
+}
+
+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 ir_type *array, int dimension) {
+ assert(array && (array->type_op == type_array));
+ return array->attr.aa.order[dimension];
+}
+
+int find_array_dimension(const ir_type *array, int order) {
+ int dim;
+
+ 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;
+}
+
+void set_array_element_type (ir_type *array, ir_type *tp) {
assert(array && (array->type_op == type_array));
- array->attr.aa.element_type = type;
+ assert(!is_Method_type(tp));
+ array->attr.aa.element_type = tp;
}
-type *get_array_element_type (type *array) {
+ir_type *get_array_element_type (ir_type *array) {
assert(array && (array->type_op == type_array));
return array->attr.aa.element_type = skip_tid(array->attr.aa.element_type);
}
-void set_array_element_entity (type *array, entity *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 (type *array) {
+ir_entity *get_array_element_entity (const ir_type *array) {
assert(array && (array->type_op == type_array));
return array->attr.aa.element_ent;
}
/* typecheck */
-bool is_array_type (type *array) {
- assert(array);
- if (array->type_op == type_array) return 1; else return 0;
+int (is_Array_type)(const ir_type *array) {
+ return _is_array_type(array);
}
-/*******************************************************************/
-/** TYPE_ENUMERATION **/
-/*******************************************************************/
+void set_array_size_bits(ir_type *tp, int 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_type_enumeration (ident *name, int n_enums) {
- type *res;
- res = new_type(type_enumeration, NULL, name);
- res->attr.ea.n_enums = n_enums;
- res->attr.ea.enumer = (tarval **) xmalloc (sizeof (tarval *) * n_enums);
- res->attr.ea.enum_nameid = (ident **) xmalloc (sizeof (ident *) * n_enums);
+ir_type *new_d_type_enumeration(ident *name, int n_enums, dbg_info *db) {
+ ir_type *res;
+
+ assert(n_enums >= 0);
+ res = new_type(type_enumeration, NULL, name, db);
+ res->attr.ea.enumer = NEW_ARR_F(ir_enum_const, n_enums);
+ hook_new_type(res);
return res;
}
-/* manipulate fields of enumeration type. */
-int get_enumeration_n_enums (type *enumeration) {
- assert(enumeration && (enumeration->type_op == type_enumeration));
- return enumeration->attr.ea.n_enums;
+ir_type *new_type_enumeration(ident *name, int n_enums) {
+ return new_d_type_enumeration(name, n_enums, NULL);
}
-void set_enumeration_enum (type *enumeration, int pos, tarval *con) {
+
+void free_enumeration_entities(ir_type *enumeration) {
assert(enumeration && (enumeration->type_op == type_enumeration));
- enumeration->attr.ea.enumer[pos] = con;
}
-tarval *get_enumeration_enum (type *enumeration, int pos) {
+void free_enumeration_attrs(ir_type *enumeration) {
assert(enumeration && (enumeration->type_op == type_enumeration));
- return enumeration->attr.ea.enumer[pos];
+ DEL_ARR_F(enumeration->attr.ea.enumer);
}
-void set_enumeration_nameid (type *enumeration, int pos, ident *id) {
+
+/* manipulate fields of enumeration type. */
+int get_enumeration_n_enums(const ir_type *enumeration) {
assert(enumeration && (enumeration->type_op == type_enumeration));
- enumeration->attr.ea.enum_nameid[pos] = id;
+ return ARR_LEN(enumeration->attr.ea.enumer);
}
-ident *get_enumeration_nameid (type *enumeration, int pos) {
- assert(enumeration && (enumeration->type_op == type_enumeration));
- return enumeration->attr.ea.enum_nameid[pos];
+
+/* create a new constant */
+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;
}
-const char *get_enumeration_name(type *enumeration, int pos) {
+
+ir_enum_const *get_enumeration_const(const ir_type *enumeration, int pos) {
assert(enumeration && (enumeration->type_op == type_enumeration));
- return id_to_str(enumeration->attr.ea.enum_nameid[pos]);
+ 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 ir_enum_const *enum_cnst) {
+ return enum_cnst->nameid;
+}
+const char *get_enumeration_name(const ir_enum_const *enum_cnst) {
+ return get_id_str(enum_cnst->nameid);
}
/* typecheck */
-bool is_enumeration_type (type *enumeration) {
- assert(enumeration);
- if (enumeration->type_op == type_enumeration) return 1; else return 0;
+int (is_Enumeration_type)(const ir_type *enumeration) {
+ return _is_enumeration_type(enumeration);
}
-/*******************************************************************/
-/** TYPE_POINTER **/
-/*******************************************************************/
+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) & 7) == 0 && "unorthodox modes not implemented");
+
+ tp->size = get_mode_size_bits(mode);
+ tp->mode = mode;
+}
+
+/*-----------------------------------------------------------------*/
+/* TYPE_POINTER */
+/*-----------------------------------------------------------------*/
/* Create a new type pointer */
-type *new_type_pointer (ident *name, type *points_to) {
- type *res;
- res = new_type(type_pointer, mode_p, name);
+ir_type *new_d_type_pointer(ident *name, ir_type *points_to, ir_mode *ptr_mode, dbg_info *db) {
+ ir_type *res;
+
+ assert(mode_is_reference(ptr_mode));
+ res = new_type(type_pointer, ptr_mode, name, db);
res->attr.pa.points_to = points_to;
- res->size = get_mode_size(res->mode);
- res->state = layout_fixed;
+ assert((get_mode_size_bytes(res->mode) != -1) && "unorthodox modes not implemented");
+ res->size = get_mode_size_bits(res->mode);
+ res->flags |= tf_layout_fixed;
+ hook_new_type(res);
return res;
}
+
+ir_type *new_type_pointer(ident *name, ir_type *points_to, ir_mode *ptr_mode) {
+ return new_d_type_pointer(name, points_to, ptr_mode, NULL);
+}
+
+void free_pointer_entities (ir_type *pointer) {
+ assert(pointer && (pointer->type_op == type_pointer));
+}
+
+void free_pointer_attrs (ir_type *pointer) {
+ assert(pointer && (pointer->type_op == type_pointer));
+}
+
/* manipulate fields of type_pointer */
-void set_pointer_points_to_type (type *pointer, type *type) {
+void set_pointer_points_to_type (ir_type *pointer, ir_type *tp) {
assert(pointer && (pointer->type_op == type_pointer));
- pointer->attr.pa.points_to = type;
+ pointer->attr.pa.points_to = tp;
}
-type *get_pointer_points_to_type (type *pointer) {
+
+ir_type *get_pointer_points_to_type (ir_type *pointer) {
assert(pointer && (pointer->type_op == type_pointer));
return pointer->attr.pa.points_to = skip_tid(pointer->attr.pa.points_to);
}
/* typecheck */
-bool is_pointer_type (type *pointer) {
- assert(pointer);
- if (pointer->type_op == type_pointer) return 1; else return 0;
+int (is_Pointer_type)(const ir_type *pointer) {
+ return _is_pointer_type(pointer);
}
+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");
-/*******************************************************************/
-/** TYPE_PRIMITIVE **/
-/*******************************************************************/
+ tp->size = get_mode_size_bits(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. */
+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_type_primitive (ident *name, ir_mode *mode) {
- type *res;
- res = new_type(type_primitive, mode, name);
- res->size = get_mode_size(mode);
- res->state = layout_fixed;
+ir_type *new_d_type_primitive(ident *name, ir_mode *mode, dbg_info *db) {
+ ir_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->flags |= tf_layout_fixed;
+ hook_new_type(res);
return res;
}
+ir_type *new_type_primitive(ident *name, ir_mode *mode) {
+ return new_d_type_primitive(name, mode, NULL);
+}
+
/* typecheck */
-bool is_primitive_type (type *primitive) {
- assert(primitive);
- if (primitive->type_op == type_primitive) return 1; else return 0;
+int (is_Primitive_type)(const ir_type *primitive) {
+ return _is_primitive_type(primitive);
+}
+
+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_bits(mode);
+ tp->mode = mode;
+}
+
+
+/*-----------------------------------------------------------------*/
+/* common functionality */
+/*-----------------------------------------------------------------*/
+
+
+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 ir_type *tp)
+{
+ 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");
+
+ return res;
+}
+
+/*
+ * Gets the member of a firm compound type at position pos.
+ */
+ir_entity *get_compound_member(const ir_type *tp, int pos)
+{
+ 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");
+
+ return res;
+}
+
+/* Returns index of member in tp, -1 if not contained. */
+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;
+}
+
+int is_compound_type(const ir_type *tp) {
+ assert(tp && tp->kind == k_type);
+ return tp->type_op->flags & TP_OP_FLAG_COMPOUND;
+}
+
+/* Checks, whether a type is a frame type */
+int is_frame_type(const ir_type *tp) {
+ return tp->flags & tf_frame_type;
+}
+
+/* Checks, whether a type is a value parameter type */
+int is_value_param_type(const ir_type *tp) {
+ return tp->flags & tf_value_param_type;
+}
+
+/* Checks, whether a type is a lowered type */
+int is_lowered_type(const ir_type *tp) {
+ return tp->flags & tf_lowered_type;
+}
+
+/* Makes a new frame type. */
+ir_type *new_type_frame(ident *name)
+{
+ ir_type *res = new_type_class(name);
+
+ 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;
+}
+
+/* Sets a lowered type for a type. This sets both associations. */
+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;
+}
+
+/*
+ * Gets the lowered/unlowered type of a type or NULL if this type
+ * has no lowered/unlowered one.
+ */
+ir_type *get_associated_type(const ir_type *tp) {
+ return tp->assoc_type;
+}
+
+/* set the type size for the unknown and none ir_type */
+void set_default_size_bits(ir_type *tp, int size) {
+ tp->size = size;
+}
+
+/*
+ * Allocate an area of size bytes aligned at alignment
+ * at the start or the end of a frame type.
+ * The frame type must have already an fixed layout.
+ */
+ir_entity *frame_alloc_area(ir_type *frame_type, int size, int alignment, int at_start)
+{
+ ir_entity *area;
+ ir_type *tp;
+ ident *name;
+ char buf[32];
+ int frame_align, 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);
+
+ if (! a_byte)
+ a_byte = new_type_primitive(new_id_from_chars("byte", 4), 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;
+
+ tp = new_type_array(mangle_u(get_type_ident(frame_type), name), 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;
+ }
+ else {
+ /* calculate offset and new type size */
+ offset = (frame_size + alignment - 1) & -alignment;
+ 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);
+ return area;
}