2 * This file is part of cparser.
3 * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26 #include <libfirm/firm_types.h>
34 extern struct obstack *type_obst;
55 TYPE_MODIFIER_NONE = 0,
56 TYPE_MODIFIER_TRANSPARENT_UNION = 1 << 0,
58 typedef unsigned short type_modifiers_t;
62 type_qualifiers_t qualifiers;
63 type_modifiers_t modifiers;
64 unsigned char alignment; /**< The extra alignment of the type, 0 for default. */
65 source_position_t source_position;
70 struct atomic_type_t {
72 atomic_type_kind_t akind;
75 struct complex_type_t {
77 atomic_type_kind_t akind;
80 struct imaginary_type_t {
82 atomic_type_kind_t akind;
85 struct builtin_type_t {
91 struct pointer_type_t {
99 expression_t *size_expression;
102 ir_node *size_node; /**< used by ast2firm phase */
104 unsigned is_static : 1; /**< a [static] type */
105 unsigned is_variable : 1; /**< a [*] type */
106 unsigned has_implicit_size : 1;
107 unsigned size_constant : 1; /**< size expression is constant */
108 unsigned is_vla : 1; /**< it's a variable length array */
111 struct function_parameter_t {
113 function_parameter_t *next;
116 struct function_type_t {
119 function_parameter_t *parameters;
120 unsigned variadic : 1;
121 unsigned unspecified_parameters : 1;
122 unsigned kr_style_parameters : 1;
125 struct compound_type_t {
127 /** the declaration of the compound type, the scope of the declaration
128 * contains the compound entries. */
129 declaration_t *declaration;
134 /** the declaration of the enum type. You can find the enum entries by
135 * walking the declaration->next list until you don't find
136 * STORAGE_CLASS_ENUM_ENTRY declarations anymore */
137 declaration_t *declaration;
140 struct typedef_type_t {
142 declaration_t *declaration;
143 type_t *resolved_type;
146 struct typeof_type_t {
148 expression_t *expression;
150 type_t *resolved_type;
153 struct bitfield_type_t {
162 atomic_type_t atomic;
163 complex_type_t complex;
164 imaginary_type_t imaginary;
165 builtin_type_t builtin;
166 pointer_type_t pointer;
168 function_type_t function;
169 compound_type_t compound;
171 typedef_type_t typedeft;
172 bitfield_type_t bitfield;
173 typeof_type_t typeoft;
176 type_t *make_atomic_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
177 type_t *make_complex_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
178 type_t *make_imaginary_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
179 type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers);
180 type_t *make_array_type(type_t *element_type, size_t size,
181 type_qualifiers_t qualifiers);
183 type_t *duplicate_type(const type_t *type);
185 static inline bool is_typeref(const type_t *type)
187 return type->kind == TYPE_TYPEDEF || type->kind == TYPE_TYPEOF;
190 static inline bool is_type_atomic(const type_t *type, atomic_type_kind_t atype)
192 assert(!is_typeref(type));
194 if(type->kind != TYPE_ATOMIC)
196 const atomic_type_t *atomic_type = &type->atomic;
198 return atomic_type->akind == atype;
201 static inline bool is_type_pointer(const type_t *type)
203 assert(!is_typeref(type));
204 return type->kind == TYPE_POINTER;
207 static inline bool is_type_array(const type_t *type)
209 assert(!is_typeref(type));
210 return type->kind == TYPE_ARRAY;
213 static inline bool is_type_function(const type_t *type)
215 assert(!is_typeref(type));
216 return type->kind == TYPE_FUNCTION;
219 static inline bool is_type_union(const type_t *type)
221 assert(!is_typeref(type));
222 return type->kind == TYPE_COMPOUND_UNION;
225 static inline bool is_type_struct(const type_t *type)
227 assert(!is_typeref(type));
228 return type->kind == TYPE_COMPOUND_STRUCT;
231 static inline bool is_type_builtin(const type_t *type)
233 assert(!is_typeref(type));
234 return type->kind == TYPE_BUILTIN;
237 static inline bool is_type_compound(const type_t *type)
239 assert(!is_typeref(type));
240 return type->kind == TYPE_COMPOUND_STRUCT
241 || type->kind == TYPE_COMPOUND_UNION;
244 static inline bool is_type_valid(const type_t *type)
246 return type->kind != TYPE_ERROR;