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;
36 typedef enum type_kind_t {
54 typedef enum type_modifier_t {
55 TYPE_MODIFIER_NONE = 0,
56 TYPE_MODIFIER_TRANSPARENT_UNION = 1 << 0,
58 typedef unsigned short type_modifiers_t;
62 il_size_t size; /**< The size of this type. */
63 type_qualifiers_t qualifiers;
64 type_modifiers_t modifiers;
65 il_alignment_t alignment; /**< The extra alignment of the type, 0 for default. */
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 {
94 variable_t *base_variable; /**< Microsoft __based() extension */
100 expression_t *size_expression;
103 ir_node *size_node; /**< used by ast2firm phase */
105 bool is_static : 1; /**< a [static] type */
106 bool is_variable : 1; /**< a [*] type */
107 bool has_implicit_size : 1;
108 bool size_constant : 1; /**< size expression is constant */
109 bool is_vla : 1; /**< it's a variable length array */
113 * An entry in the parameter list of a function type.
115 struct function_parameter_t {
116 type_t *type; /**< The parameter type. */
117 function_parameter_t *next; /**< Points to the next type in the parameter list.*/
120 /** Linkage specifications. */
121 typedef enum linkage_kind_t {
123 LINKAGE_C, /**< C linkage. */
124 LINKAGE_CXX /**< C++ linkage. */
127 /** Calling conventions. */
128 typedef enum cc_kind_t {
129 CC_DEFAULT, /**< default calling convention. */
130 CC_CDECL, /**< cdecl calling convention. */
131 CC_STDCALL, /**< stdcall calling convention. */
132 CC_FASTCALL, /**< fastcall calling convention. */
133 CC_THISCALL /**< thiscall calling convention. */
139 struct function_type_t {
141 type_t *return_type; /**< The return type. */
142 function_parameter_t *parameters; /**< A list of the parameter types. */
143 linkage_kind_t linkage;
144 cc_kind_t calling_convention; /**< The specified calling convention. */
146 bool unspecified_parameters : 1;
147 bool kr_style_parameters : 1;
150 struct compound_type_t {
152 bool packed : 1; /**< Set if packed was specified. */
153 /** the declaration of the compound type, the scope of the declaration
154 * contains the compound entries. */
155 compound_t *compound;
160 /** the enum entity. You can find the enum entries by walking the
161 * enum->base.next list until you don't find ENTITY_ENUM_VALUE entities
166 struct typedef_type_t {
169 type_t *resolved_type;
172 struct typeof_type_t {
174 expression_t *expression;
176 type_t *resolved_type;
179 struct bitfield_type_t {
182 expression_t *size_expression; /**< The expression for the bit size. */
183 il_size_t bit_size; /**< Size of this bitfield in bits. */
189 atomic_type_t atomic;
190 complex_type_t complex;
191 imaginary_type_t imaginary;
192 builtin_type_t builtin;
193 pointer_type_t pointer;
195 function_type_t function;
196 compound_type_t compound;
198 typedef_type_t typedeft;
199 bitfield_type_t bitfield;
200 typeof_type_t typeoft;
203 type_t *make_atomic_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
204 type_t *make_complex_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
205 type_t *make_imaginary_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
206 type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers);
207 type_t *make_based_pointer_type(type_t *points_to,
208 type_qualifiers_t qualifiers, variable_t *variable);
209 type_t *make_array_type(type_t *element_type, size_t size,
210 type_qualifiers_t qualifiers);
212 type_t *duplicate_type(const type_t *type);
214 static inline bool is_typeref(const type_t *type)
216 return type->kind == TYPE_TYPEDEF || type->kind == TYPE_TYPEOF;
219 static inline bool is_type_atomic(const type_t *type, atomic_type_kind_t atype)
221 assert(!is_typeref(type));
223 if(type->kind != TYPE_ATOMIC)
225 const atomic_type_t *atomic_type = &type->atomic;
227 return atomic_type->akind == atype;
230 static inline bool is_type_pointer(const type_t *type)
232 assert(!is_typeref(type));
233 return type->kind == TYPE_POINTER;
236 static inline bool is_type_array(const type_t *type)
238 assert(!is_typeref(type));
239 return type->kind == TYPE_ARRAY;
242 static inline bool is_type_function(const type_t *type)
244 assert(!is_typeref(type));
245 return type->kind == TYPE_FUNCTION;
248 static inline bool is_type_union(const type_t *type)
250 assert(!is_typeref(type));
251 return type->kind == TYPE_COMPOUND_UNION;
254 static inline bool is_type_struct(const type_t *type)
256 assert(!is_typeref(type));
257 return type->kind == TYPE_COMPOUND_STRUCT;
260 static inline bool is_type_builtin(const type_t *type)
262 assert(!is_typeref(type));
263 return type->kind == TYPE_BUILTIN;
266 static inline bool is_type_compound(const type_t *type)
268 assert(!is_typeref(type));
269 return type->kind == TYPE_COMPOUND_STRUCT
270 || type->kind == TYPE_COMPOUND_UNION;
273 static inline bool is_type_valid(const type_t *type)
275 assert(!is_typeref(type));
276 return type->kind != TYPE_ERROR;