# ifndef _TYPE_T_H_
# define _TYPE_T_H_
-# ifdef HAVE_CONFIG_H
-# include "config.h"
-# endif
+
+# include "firm_config.h"
# include "type.h"
# include "tpop_t.h"
+# include "array.h"
+
/**
* @file type_t.h
* This file contains the datatypes hidden in type.h.
/** struct attributs */
typedef struct {
entity **members; /**< fields of this struct. No method entities
- allowed. */
+ allowed. */
} stc_attr;
/** method attributes */
/* type **unioned_type; * a list of unioned types. */
/* ident **delim_names; * names of the union delimiters. */
entity **members; /**< fields of this union. No method entities
- allowed. */
+ allowed. */
} uni_attr;
int *order; /**< Ordering of dimensions. */
type *element_type; /**< The type of the array elements. */
entity *element_ent; /**< Entity for the array elements, to be used for
- element selection with Sel. */
+ element selection with Sel. */
} arr_attr;
/** enum attributs */
/** General type attributs. */
typedef union {
- cls_attr ca; /**< attributes of a class type */
- stc_attr sa; /**< attributes of a struct type */
- mtd_attr ma; /**< attributes of a method type */
- uni_attr ua; /**< attributes of an union type */
- arr_attr aa; /**< attributes of an array type */
- enm_attr ea; /**< attributes of an enumeration type */
- ptr_attr pa; /**< attributes of a pointer type */
+ cls_attr ca; /**< attributes of a class type */
+ stc_attr sa; /**< attributes of a struct type */
+ mtd_attr ma; /**< attributes of a method type */
+ uni_attr ua; /**< attributes of an union type */
+ arr_attr aa; /**< attributes of an array type */
+ enm_attr ea; /**< attributes of an enumeration type */
+ ptr_attr pa; /**< attributes of a pointer type */
} tp_attr;
/** the structure of a type */
struct type {
- firm_kind kind;
- tp_op *type_op;
- ident *name;
+ firm_kind kind; /**< the firm kind, must be k_type */
+ const tp_op *type_op; /**< the type operation of the type */
+ ident *name; /**< The name of the type */
type_state state; /**< Represents the types state: layout undefined or
- fixed. */
+ fixed. */
int size; /**< Size of an entity of this type. This is determined
- when fixing the layout of this class. Size must be
- given in bits. */
+ when fixing the layout of this class. Size must be
+ given in bits. */
+ int align; /**< Alignment of an entity of this type. This should be
+ set according to the source language needs. If not set it's
+ calculated automatically by get_type_alignment().
+ Alignment must be given in bits. */
ir_mode *mode; /**< The mode for atomic types */
unsigned long visit; /**< visited counter for walks of the type information */
void *link; /**< holds temporary data - like in irnode_t.h */
struct dbg_info* dbi; /**< A pointer to information for debug support. */
+ /* ------------- fields for analyses ---------------*/
+
#ifdef DEBUG_libfirm
int nr; /**< a unique node number for each node to make output
- readable. */
+ readable. */
#endif
tp_attr attr; /* type kind specific fields. This must be the last
- entry in this struct! Varying size! */
+ entry in this struct! Varying size! */
};
/**
* @param type_op - the kind of this type. May not be type_id.
* @param mode - the mode to be used for this type, may be NULL
* @param name - an ident for the name of this type.
- * @return a new type of the given type. The remaining private attributes are not
- * @return initalized. The type is in state layout_undefined.
*
+ * @return A new type of the given type. The remaining private attributes are not
+ * initialized. The type is in state layout_undefined.
*/
INLINE type *
new_type(tp_op *type_op,
- ir_mode *mode,
- ident* name);
+ ir_mode *mode,
+ ident* name);
void free_type_attrs (type *tp);
INLINE void free_class_entities (type *clss);
static INLINE void __inc_master_type_visited(void) { type_visited++; }
static INLINE void *
-__get_type_link(type *tp) {
+__get_type_link(const type *tp) {
assert(tp && tp->kind == k_type);
return(tp -> link);
}
tp -> link = l;
}
-static INLINE tp_op*
-__get_type_tpop(type *tp) {
+static INLINE const tp_op*
+__get_type_tpop(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->type_op;
}
static INLINE ident*
-__get_type_tpop_nameid(type *tp) {
+__get_type_tpop_nameid(const type *tp) {
assert(tp && tp->kind == k_type);
return get_tpop_ident(tp->type_op);
}
static INLINE tp_opcode
-__get_type_tpop_code(type *tp) {
+__get_type_tpop_code(const type *tp) {
assert(tp && tp->kind == k_type);
return get_tpop_code(tp->type_op);
}
static INLINE ir_mode *
-__get_type_mode(type *tp) {
+__get_type_mode(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->mode;
}
static INLINE ident *
-__get_type_ident(type *tp) {
+__get_type_ident(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->name;
}
}
static INLINE long
-__get_type_nr(type *tp) {
+__get_type_nr(const type *tp) {
assert(tp);
#ifdef DEBUG_libfirm
return tp->nr;
}
static INLINE int
-__get_type_size_bits(type *tp) {
+__get_type_size_bits(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->size;
}
static INLINE int
-__get_type_size_bytes(type *tp) {
+__get_type_size_bytes(const type *tp) {
int size = __get_type_size_bits(tp);
+ if (size < 0)
+ return -1;
if ((size & 7) != 0) {
assert(0 && "cannot take byte size of this type");
return -1;
}
static INLINE type_state
-__get_type_state(type *tp) {
+__get_type_state(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->state;
}
static INLINE unsigned long
-__get_type_visited(type *tp) {
+__get_type_visited(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->visit;
}
}
static INLINE int
-__type_visited(type *tp) {
+__type_visited(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->visit >= type_visited;
}
static INLINE int
-__type_not_visited(type *tp) {
+__type_not_visited(const type *tp) {
assert(tp && tp->kind == k_type);
return tp->visit < type_visited;
}
static INLINE int
-__is_type(void *thing) {
+__is_type(const void *thing) {
return (get_kind(thing) == k_type);
}
static INLINE int
-__is_class_type(type *clss) {
+__is_class_type(const type *clss) {
assert(clss);
return (clss->type_op == type_class);
}
static INLINE int
-__is_struct_type(type *strct) {
+__get_class_n_members (const type *clss) {
+ assert(clss && (clss->type_op == type_class));
+ return (ARR_LEN (clss->attr.ca.members));
+}
+
+static INLINE entity *
+__get_class_member (const type *clss, int pos) {
+ assert(clss && (clss->type_op == type_class));
+ assert(pos >= 0 && pos < __get_class_n_members(clss));
+ return clss->attr.ca.members[pos];
+}
+
+static INLINE int
+__is_struct_type(const type *strct) {
assert(strct);
return (strct->type_op == type_struct);
}
static INLINE int
-__is_method_type(type *method) {
+__is_method_type(const type *method) {
assert(method);
return (method->type_op == type_method);
}
static INLINE int
-__is_union_type(type *uni) {
+__is_union_type(const type *uni) {
assert(uni);
return (uni->type_op == type_union);
}
static INLINE int
-__is_array_type(type *array) {
+__is_array_type(const type *array) {
assert(array);
return (array->type_op == type_array);
}
static INLINE int
-__is_enumeration_type(type *enumeration) {
+__is_enumeration_type(const type *enumeration) {
assert(enumeration);
return (enumeration->type_op == type_enumeration);
}
static INLINE int
-__is_pointer_type(type *pointer) {
+__is_pointer_type(const type *pointer) {
assert(pointer);
return (pointer->type_op == type_pointer);
}
/** Returns true if a type is a primitive type. */
static INLINE int
-__is_primitive_type(type *primitive) {
+__is_primitive_type(const type *primitive) {
assert(primitive && primitive->kind == k_type);
return (primitive->type_op == type_primitive);
}
static INLINE int
-__is_atomic_type(type *tp) {
+__is_atomic_type(const type *tp) {
assert(tp && tp->kind == k_type);
return (is_primitive_type(tp) || is_pointer_type(tp) ||
- is_enumeration_type(tp));
+ is_enumeration_type(tp));
}
#define type_not_visited(tp) __type_not_visited(tp)
#define is_type(thing) __is_type(thing)
#define is_class_type(clss) __is_class_type(clss)
+#define get_class_n_members(clss) __get_class_n_members(clss)
+#define get_class_member(clss, pos) __get_class_member(clss, pos)
#define is_struct_type(strct) __is_struct_type(strct)
#define is_method_type(method) __is_method_type(method)
#define is_union_type(uni) __is_union_type(uni)
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