+/*
+ * Project: libFIRM
+ * File name: ir/tr/type.c
+ * Purpose: Representation of types.
+ * Author: Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 2001-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
+
/**
*
* file type.c - implementation of the datastructure to hold
* type information.
* (C) 2001 by Universitaet Karlsruhe
- * Martin Trapp, Christian Schaefer, Goetz Lindenmaier
+ * Goetz Lindenmaier
*
* This module supplies a datastructure to represent all types
* known in the compiled program. This includes types specified
* @see type_t.h type tpop
*/
-/* $Id$ */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
# include "type_t.h"
# include "tpop_t.h"
# include "irprog_t.h"
-# include "typegmod_t.h"
+# include "typegmod.h"
# include "array.h"
# include "irprog.h"
# include "mangle.h"
/** TYPE **/
/*******************************************************************/
+type *none_type; type *get_none_type(void) { return none_type; }
+type *unknown_type; type *get_unknown_type(void) { return unknown_type; }
+
+
#ifdef DEBUG_libfirm
/** Returns a new, unique number to number nodes or the like. */
int get_irp_new_node_nr(void);
static ident *value_ress_suffix = NULL;
void init_type(void) {
- value_params_suffix = id_from_str(VALUE_PARAMS_SUFFIX, strlen(VALUE_PARAMS_SUFFIX));
- value_ress_suffix = id_from_str(VALUE_RESS_SUFFIX, strlen(VALUE_RESS_SUFFIX));
+ 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. */
+ none_type = new_type(tpop_none, mode_BAD, new_id_from_str("type_none"));
+ set_type_size (none_type, 0);
+ set_type_state (none_type, layout_fixed);
+ remove_irp_type(none_type);
+ unknown_type = new_type(tpop_unknown, mode_ANY, new_id_from_str("type_unknown"));
+ set_type_size (unknown_type, 0);
+ set_type_state (unknown_type, layout_fixed);
+ remove_irp_type(unknown_type);
}
unsigned long type_visited;
INLINE void inc_master_type_visited() { type_visited++; }
void free_type(type *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. */
if (is_array_type(tp))
free_entity(get_array_element_entity(tp));
/* And now the type itself... */
+ tp->kind = k_BAD;
free(tp);
}
const char* get_type_tpop_name(type *tp) {
assert(tp && tp->kind == k_type);
- return id_to_str(tp->type_op->name);
+ return get_id_str(tp->type_op->name);
}
tp_opcode get_type_tpop_code(type *tp) {
void set_type_mode(type *tp, ir_mode* m) {
assert(tp && tp->kind == k_type);
- assert(((tp->type_op != type_primitive) || mode_is_data(m)) &&
+ assert(((tp->type_op != type_primitive) || mode_is_data(m)) &&
/* Modes of primitives must be data */
- ((tp->type_op != type_enumeration) || mode_is_int(m)));
+ ((tp->type_op != type_enumeration) || mode_is_int(m)) &&
/* Modes of enumerations must be integers */
+ ((tp->type_op != type_pointer) || mode_is_reference(m)) );
+ /* Modes of pointers must be references. */
- if ((tp->type_op == type_primitive) || (tp->type_op == type_enumeration)) {
+ if ((tp->type_op == type_primitive) ||
+ (tp->type_op == type_enumeration) ||
+ (tp->type_op == type_pointer) ) {
/* For pointer, primitive and enumeration size depends on the mode. */
assert((get_mode_size_bytes(m) != -1) && "unorthodox modes not implemented");
tp->size = get_mode_size_bytes(m);
#ifdef DEBUG_libfirm
return tp->nr;
#else
- return 0;
+ return (long)tp;
#endif
}
const char* get_type_name(type *tp) {
assert(tp && tp->kind == k_type);
- return (id_to_str(tp->name));
+ return (get_id_str(tp->name));
}
int get_type_size(type *tp) {
{ DDMT(tp); DDME(get_class_member(tp, i)); }
assert(get_entity_offset(get_class_member(tp, i)) > -1);
assert(is_method_type(get_entity_type(get_class_member(tp, i))) ||
- (get_entity_allocation(get_class_member(tp, i)) == automatic_allocated));
+ (get_entity_allocation(get_class_member(tp, i)) == allocation_automatic));
}
} break;
case tpo_struct:
assert(get_type_size(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)) == automatic_allocated));
+ assert((get_entity_allocation(get_struct_member(tp, i)) == allocation_automatic));
}
} break;
case tpo_union:
res = new_type(type_class, NULL, name);
- 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);
- res->attr.ca.peculiarity = existent;
- res->attr.ca.dfn = 0;
+ 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);
+ res->attr.ca.peculiarity = peculiarity_existent;
+ res->attr.ca.dfn = 0;
return res;
}
}
}
+char *get_peculiarity_string(peculiarity p) {
+ if (p == peculiarity_description)
+ return "peculiarity_description";
+ if (p == peculiarity_inherited)
+ return "peculiarity_inherited";
+ return "peculiarity_existent";
+}
+
INLINE peculiarity get_class_peculiarity (type *clss) {
assert(clss && (clss->type_op == type_class));
return clss->attr.ca.peculiarity;
}
INLINE void set_class_peculiarity (type *clss, peculiarity pec) {
assert(clss && (clss->type_op == type_class));
- assert(pec != inherited); /* There is no inheritance of types in libFirm. */
+ assert(pec != peculiarity_inherited); /* There is no inheritance of types in libFirm. */
clss->attr.ca.peculiarity = pec;
}
res->attr.ma.n_res = n_res;
res->attr.ma.res_type = (type **) xmalloc (sizeof (type *) * n_res);
res->attr.ma.value_ress = NULL;
- res->attr.ma.variadicity = non_variadic;
+ res->attr.ma.variadicity = variadicity_non_variadic;
return res;
}
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);
- assert((get_entity_type(get_struct_member(method->attr.ma.value_params, pos)) != method->attr.ma.value_params)
+ assert((get_entity_type(get_struct_member(method->attr.ma.value_params, pos))
+ != method->attr.ma.value_params)
&& "param type not yet set");
return get_struct_member(method->attr.ma.value_params, pos);
}
+type *get_method_value_res_type(type *method) {
+ assert(method && (method->type_op == type_method));
+ return method->attr.ma.value_params;
+}
+
+
int get_method_n_ress (type *method) {
assert(method && (method->type_op == type_method));
return method->attr.ma.n_res;
return get_struct_member(method->attr.ma.value_ress, pos);
}
+/* 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
+}
+
variadicity get_method_variadicity(type *method)
{
assert(method && (method->type_op == type_method));
const char *get_union_delim_name (type *uni, int pos) {
assert(uni && (uni->type_op == type_union));
assert(pos >= 0 && pos < get_union_n_types(uni));
- return id_to_str(uni->attr.ua.delim_names[pos]);
+ return get_id_str(uni->attr.ua.delim_names[pos]);
}
void set_union_delim_nameid (type *uni, int pos, ident *id) {
assert(uni && (uni->type_op == type_union));
const char *get_enumeration_name(type *enumeration, int pos) {
assert(enumeration && (enumeration->type_op == type_enumeration));
assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration));
- return id_to_str(enumeration->attr.ea.enum_nameid[pos]);
+ return get_id_str(enumeration->attr.ea.enum_nameid[pos]);
}
/* typecheck */
if (pointer->type_op == type_pointer) return 1; else return 0;
}
+/* Returns the first pointer type that has as points_to tp.
+ * Not efficient: O(#types).
+ * If not found returns 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 unknown_type;
+}
+
+
/*******************************************************************/
/** TYPE_PRIMITIVE **/
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