#include "adt/obst.h"
typedef enum type_kind_t {
- TYPE_INVALID,
- TYPE_ERROR,
+ TYPE_ERROR = 1,
TYPE_ATOMIC,
TYPE_COMPLEX,
TYPE_IMAGINARY,
ir_type *firm_type;
};
+/**
+ * used for atomic types, complex and imaginary
+ */
struct atomic_type_t {
type_base_t base;
atomic_type_kind_t akind;
};
-struct complex_type_t {
- type_base_t base;
- atomic_type_kind_t akind;
-};
-
-struct imaginary_type_t {
- type_base_t base;
- atomic_type_kind_t akind;
-};
-
struct pointer_type_t {
type_base_t base;
type_t *points_to;
/** Linkage specifications. */
typedef enum linkage_kind_t {
- LINKAGE_INVALID,
- LINKAGE_C, /**< C linkage. */
+ LINKAGE_C = 1, /**< C linkage. */
LINKAGE_CXX /**< C++ linkage. */
} linkage_kind_t;
};
struct enum_type_t {
- type_base_t base;
- atomic_type_kind_t akind; /**< underlying atomic type */
+ atomic_type_t base;
/** the enum entity. You can find the enum entries by walking the
* enum->base.next list until you don't find ENTITY_ENUM_VALUE entities
* anymore */
type_kind_t kind;
type_base_t base;
atomic_type_t atomic;
- complex_type_t complex;
- imaginary_type_t imaginary;
pointer_type_t pointer;
reference_type_t reference;
array_type_t array;
typeof_type_t typeoft;
};
+typedef struct atomic_type_properties_t atomic_type_properties_t;
+struct atomic_type_properties_t {
+ unsigned size; /**< type size in bytes */
+ unsigned alignment; /**< type alignment in bytes */
+ /** some ABIs are broken and require an alignment different from the
+ * recommended/best alignment inside structs. Fixing ABIs is difficult
+ * so people rather stick with the wrong values for compatibility.
+ * (double type on x86 System V ABI)
+ */
+ unsigned struct_alignment;
+ unsigned flags; /**< type flags from atomic_type_flag_t */
+ unsigned rank; /**< integer conversion rank */
+};
+
+extern atomic_type_properties_t atomic_type_properties[ATOMIC_TYPE_LAST+1];
+extern atomic_type_properties_t pointer_properties;
+
/** The default calling convention for functions. */
extern cc_kind_t default_calling_convention;
type_qualifiers_t qualifiers);
function_parameter_t *allocate_parameter(type_t*);
+/**
+ * Duplicates a type.
+ *
+ * @param type The type to copy.
+ * @return A copy of the type.
+ *
+ * @note This does not produce a deep copy!
+ */
type_t *duplicate_type(const type_t *type);
+
type_t *identify_new_type(type_t *type);
static inline bool is_typeref(const type_t *type)
return type->kind != TYPE_ERROR;
}
+/**
+ * return integer conversion rank of an atomic type kind
+ */
+static inline unsigned get_akind_rank(atomic_type_kind_t akind)
+{
+ return atomic_type_properties[akind].rank;
+}
+
/**
* Allocate a type node of given kind and initialize all
* fields with zero.
*
* @param return_type the return type
*/
-type_t *make_function_0_type(type_t *return_type);
+type_t *make_function_0_type(type_t *return_type,
+ decl_modifiers_t modifiers);
/**
* Creates a return_type (func)(argument_type) function type if not
* @param return_type the return type
* @param argument_type the argument type
*/
-type_t *make_function_1_type(type_t *return_type, type_t *argument_type1);
+type_t *make_function_1_type(type_t *return_type, type_t *argument_type1,
+ decl_modifiers_t modifiers);
/**
* if not already exists.
*/
type_t *make_function_2_type(type_t *return_type, type_t *argument_type1,
- type_t *argument_type2);
+ type_t *argument_type2,
+ decl_modifiers_t modifiers);
/**
* Creates a return_type (func)(argument_type, ...) function type if not
* @param return_type the return type
* @param argument_type the argument type
*/
-type_t *make_function_1_type_variadic(type_t *return_type, type_t *argument_type);
+type_t *make_function_1_type_variadic(type_t *return_type,
+ type_t *argument_type,
+ decl_modifiers_t modifiers);
/**
* Create a function type with n parameters