7 #include <libfirm/firm_types.h>
15 struct obstack *type_obst;
31 /* note that the constant values represent the rank of the types as defined
34 ATOMIC_TYPE_INVALID = 0,
46 ATOMIC_TYPE_ULONGLONG,
49 ATOMIC_TYPE_LONG_DOUBLE,
51 #ifdef PROVIDE_COMPLEX
52 ATOMIC_TYPE_FLOAT_COMPLEX,
53 ATOMIC_TYPE_DOUBLE_COMPLEX,
54 ATOMIC_TYPE_LONG_DOUBLE_COMPLEX,
55 ATOMIC_TYPE_FLOAT_IMAGINARY,
56 ATOMIC_TYPE_DOUBLE_IMAGINARY,
57 ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY,
62 TYPE_QUALIFIER_NONE = 0,
63 TYPE_QUALIFIER_CONST = 1 << 0,
64 TYPE_QUALIFIER_RESTRICT = 1 << 1,
65 TYPE_QUALIFIER_VOLATILE = 1 << 2,
68 typedef unsigned int type_qualifiers_t;
72 type_qualifiers_t qualifiers;
77 struct atomic_type_t {
79 atomic_type_type_t atype;
82 struct builtin_type_t {
88 struct pointer_type_t {
101 struct function_parameter_t {
103 function_parameter_t *next;
106 struct function_type_t {
109 function_parameter_t *parameters;
110 unsigned variadic : 1;
111 unsigned unspecified_parameters : 1;
112 unsigned kr_style_parameters : 1;
115 struct compound_type_t {
117 /** the declaration of the compound type, its context field
118 * contains the compound entries. */
119 declaration_t *declaration;
124 /** the declaration of the enum type. You can find the enum entries by
125 * walking the declaration->next list until you don't find
126 * STORAGE_CLASS_ENUM_ENTRY declarations anymore */
127 declaration_t *declaration;
130 struct typedef_type_t {
132 declaration_t *declaration;
133 type_t *resolved_type;
136 struct typeof_type_t {
138 expression_t *expression;
140 type_t *resolved_type;
146 atomic_type_t atomic;
147 builtin_type_t builtin;
148 pointer_type_t pointer;
150 function_type_t function;
151 compound_type_t compound;
153 typedef_type_t typedeft;
154 typeof_type_t typeoft;
157 type_t *make_atomic_type(atomic_type_type_t type, type_qualifiers_t qualifiers);
158 type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers);
160 type_t *duplicate_type(type_t *type);
162 static inline bool is_typeref(const type_t *type)
164 return type->type == TYPE_TYPEDEF || type->type == TYPE_TYPEOF;
167 static inline bool is_type_atomic(const type_t *type, atomic_type_type_t atype)
169 assert(!is_typeref(type));
171 if(type->type != TYPE_ATOMIC)
173 const atomic_type_t *atomic_type = &type->atomic;
175 return atomic_type->atype == atype;
178 static inline bool is_type_pointer(const type_t *type)
180 assert(!is_typeref(type));
181 return type->type == TYPE_POINTER;
184 static inline bool is_type_array(const type_t *type)
186 assert(!is_typeref(type));
187 return type->type == TYPE_ARRAY;
190 static inline bool is_type_function(const type_t *type)
192 assert(!is_typeref(type));
193 return type->type == TYPE_FUNCTION;
196 static inline bool is_type_compound(const type_t *type)
198 assert(!is_typeref(type));
199 return type->type == TYPE_COMPOUND_STRUCT
200 || type->type == TYPE_COMPOUND_UNION;