+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
#ifndef TYPE_T_H
#define TYPE_T_H
#include <stdbool.h>
+#include <assert.h>
#include <libfirm/firm_types.h>
#include "ast_t.h"
#include "adt/obst.h"
-struct obstack *type_obst;
+extern struct obstack *type_obst;
-typedef enum {
+typedef enum type_kind_t {
TYPE_INVALID,
+ TYPE_ERROR,
TYPE_ATOMIC,
+ TYPE_COMPLEX,
+ TYPE_IMAGINARY,
TYPE_COMPOUND_STRUCT,
TYPE_COMPOUND_UNION,
TYPE_ENUM,
TYPE_FUNCTION,
TYPE_POINTER,
TYPE_ARRAY,
+ TYPE_BITFIELD,
TYPE_BUILTIN,
TYPE_TYPEDEF,
- TYPE_TYPEOF
-} type_type_t;
-
-/* note that the constant values represent the rank of the types as defined
- * in ยง 6.3.1 */
-typedef enum {
- ATOMIC_TYPE_INVALID = 0,
- ATOMIC_TYPE_VOID,
- ATOMIC_TYPE_CHAR,
- ATOMIC_TYPE_SCHAR,
- ATOMIC_TYPE_UCHAR,
- ATOMIC_TYPE_SHORT,
- ATOMIC_TYPE_USHORT,
- ATOMIC_TYPE_INT,
- ATOMIC_TYPE_UINT,
- ATOMIC_TYPE_LONG,
- ATOMIC_TYPE_ULONG,
- ATOMIC_TYPE_LONGLONG,
- ATOMIC_TYPE_ULONGLONG,
- ATOMIC_TYPE_FLOAT,
- ATOMIC_TYPE_DOUBLE,
- ATOMIC_TYPE_LONG_DOUBLE,
- ATOMIC_TYPE_BOOL,
-#ifdef PROVIDE_COMPLEX
- ATOMIC_TYPE_FLOAT_COMPLEX,
- ATOMIC_TYPE_DOUBLE_COMPLEX,
- ATOMIC_TYPE_LONG_DOUBLE_COMPLEX,
- ATOMIC_TYPE_FLOAT_IMAGINARY,
- ATOMIC_TYPE_DOUBLE_IMAGINARY,
- ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY,
-#endif
-} atomic_type_type_t;
-
-typedef enum {
- TYPE_QUALIFIER_NONE = 0,
- TYPE_QUALIFIER_CONST = 1 << 0,
- TYPE_QUALIFIER_RESTRICT = 1 << 1,
- TYPE_QUALIFIER_VOLATILE = 1 << 2,
-} type_qualifier_t;
+ TYPE_TYPEOF,
+} type_kind_t;
-typedef unsigned int type_qualifiers_t;
+typedef enum type_modifier_t {
+ TYPE_MODIFIER_NONE = 0,
+ TYPE_MODIFIER_TRANSPARENT_UNION = 1 << 0,
+} type_modifier_t;
+typedef unsigned short type_modifiers_t;
-struct type_t {
- type_type_t type;
+struct type_base_t {
+ type_kind_t kind;
type_qualifiers_t qualifiers;
+ type_modifiers_t modifiers;
+ unsigned char alignment; /**< The extra alignment of the type, 0 for default. */
+ source_position_t source_position;
ir_type *firm_type;
};
struct atomic_type_t {
- type_t type;
- atomic_type_type_t atype;
+ 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 builtin_type_t {
- type_t type;
- symbol_t *symbol;
- type_t *real_type;
+ type_base_t base;
+ symbol_t *symbol;
+ type_t *real_type;
};
struct pointer_type_t {
- type_t type;
- type_t *points_to;
+ type_base_t base;
+ type_t *points_to;
};
struct array_type_t {
- type_t type;
+ type_base_t base;
type_t *element_type;
- expression_t *size;
- bool is_static;
- bool is_variable;
+ expression_t *size_expression;
+ size_t size;
+
+ ir_node *size_node; /**< used by ast2firm phase */
+
+ unsigned is_static : 1; /**< a [static] type */
+ unsigned is_variable : 1; /**< a [*] type */
+ unsigned has_implicit_size : 1;
+ unsigned size_constant : 1; /**< size expression is constant */
+ unsigned is_vla : 1; /**< it's a variable length array */
};
+/**
+ * An entry in the parameter list of a function type.
+ */
struct function_parameter_t {
- type_t *type;
- function_parameter_t *next;
+ type_t *type; /**< The parameter type. */
+ function_parameter_t *next; /**< Points to the next type inthe parameter list.*/
};
+/** Calling conventions. */
+typedef enum cc_kind_t {
+ CC_DEFAULT, /**< default calling convention. */
+ CC_CDECL, /**< cdecl calling convention. */
+ CC_STDCALL, /**< stdcall calling convention. */
+ CC_FASTCALL, /**< fastcall calling convention. */
+ CC_THISCALL /**< thiscall calling convention. */
+} cc_kind_t;
+
+/**
+ * A function type.
+ */
struct function_type_t {
- type_t type;
- type_t *result_type;
- function_parameter_t *parameters;
- bool variadic;
- bool unspecified_parameters;
+ type_base_t base;
+ type_t *return_type; /**< The return type. */
+ function_parameter_t *parameters; /**< A list of the parameter types. */
+ cc_kind_t calling_convention; /**< The specified calling convention. */
+ unsigned variadic : 1;
+ unsigned unspecified_parameters : 1;
+ unsigned kr_style_parameters : 1;
};
struct compound_type_t {
- type_t type;
- /** the declaration of the compound type, its context field
- * contains the compound entries. */
+ type_base_t base;
+ /** the declaration of the compound type, the scope of the declaration
+ * contains the compound entries. */
declaration_t *declaration;
};
struct enum_type_t {
- type_t type;
+ type_base_t base;
/** the declaration of the enum type. You can find the enum entries by
- * walking the declaration->next list until you don't find
- * STORAGE_CLASS_ENUM_ENTRY declarations anymore */
+ * walking the declaration->next list until you don't find
+ * STORAGE_CLASS_ENUM_ENTRY declarations anymore */
declaration_t *declaration;
};
struct typedef_type_t {
- type_t type;
+ type_base_t base;
declaration_t *declaration;
type_t *resolved_type;
};
struct typeof_type_t {
- type_t type;
+ type_base_t base;
expression_t *expression;
type_t *typeof_type;
type_t *resolved_type;
};
-type_t *make_atomic_type(atomic_type_type_t type, type_qualifiers_t qualifiers);
+struct bitfield_type_t {
+ type_base_t base;
+ type_t *base_type;
+ expression_t *size;
+};
+
+union type_t {
+ type_kind_t kind;
+ type_base_t base;
+ atomic_type_t atomic;
+ complex_type_t complex;
+ imaginary_type_t imaginary;
+ builtin_type_t builtin;
+ pointer_type_t pointer;
+ array_type_t array;
+ function_type_t function;
+ compound_type_t compound;
+ enum_type_t enumt;
+ typedef_type_t typedeft;
+ bitfield_type_t bitfield;
+ typeof_type_t typeoft;
+};
+
+type_t *make_atomic_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
+type_t *make_complex_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
+type_t *make_imaginary_type(atomic_type_kind_t type, type_qualifiers_t qualifiers);
type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers);
+type_t *make_array_type(type_t *element_type, size_t size,
+ type_qualifiers_t qualifiers);
-static inline bool is_type_atomic(const type_t *type, atomic_type_type_t atype)
+type_t *duplicate_type(const type_t *type);
+
+static inline bool is_typeref(const type_t *type)
{
- if(type->type != TYPE_ATOMIC)
+ return type->kind == TYPE_TYPEDEF || type->kind == TYPE_TYPEOF;
+}
+
+static inline bool is_type_atomic(const type_t *type, atomic_type_kind_t atype)
+{
+ assert(!is_typeref(type));
+
+ if(type->kind != TYPE_ATOMIC)
return false;
- const atomic_type_t *atomic_type = (const atomic_type_t*) type;
+ const atomic_type_t *atomic_type = &type->atomic;
- return atomic_type->atype == atype;
+ return atomic_type->akind == atype;
}
static inline bool is_type_pointer(const type_t *type)
{
- return type->type == TYPE_POINTER;
+ assert(!is_typeref(type));
+ return type->kind == TYPE_POINTER;
+}
+
+static inline bool is_type_array(const type_t *type)
+{
+ assert(!is_typeref(type));
+ return type->kind == TYPE_ARRAY;
+}
+
+static inline bool is_type_function(const type_t *type)
+{
+ assert(!is_typeref(type));
+ return type->kind == TYPE_FUNCTION;
+}
+
+static inline bool is_type_union(const type_t *type)
+{
+ assert(!is_typeref(type));
+ return type->kind == TYPE_COMPOUND_UNION;
+}
+
+static inline bool is_type_struct(const type_t *type)
+{
+ assert(!is_typeref(type));
+ return type->kind == TYPE_COMPOUND_STRUCT;
+}
+
+static inline bool is_type_builtin(const type_t *type)
+{
+ assert(!is_typeref(type));
+ return type->kind == TYPE_BUILTIN;
}
static inline bool is_type_compound(const type_t *type)
{
- return type->type == TYPE_COMPOUND_STRUCT
- || type->type == TYPE_COMPOUND_UNION;
+ assert(!is_typeref(type));
+ return type->kind == TYPE_COMPOUND_STRUCT
+ || type->kind == TYPE_COMPOUND_UNION;
}
-static inline bool is_typeref(const type_t *type)
+static inline bool is_type_valid(const type_t *type)
{
- return type->type == TYPE_TYPEDEF || type->type == TYPE_TYPEOF;
+ return type->kind != TYPE_ERROR;
}
#endif
projects / cparser / blobdiff